55results about How to "Avoid Service Expenditures" patented technology

The invention relates to the water treatment industry, in particular to drinking water filtration, and discloses a water purifier with an upper control bin and a lower filtering inner container bin and supporting filtering inner containers. The water purifier comprises the filtering inner containers and filtering inner container fastening devices. A water passing pipeline connected with the filtering inner containers in series is connected with a water inlet and a water outlet of a base to form a filtering channel. The water purifier further comprises a U-shaped filtering inner container cavity containing the filtering inner containers, a big bin cover, a small bin cover, a big cover fastening device and a small cover fastening device. The big bin cover is either of a movable cover structure or of a turnover cover structure, and is connected with an upper port of the U-shaped filtering inner container cavity containing the filtering inner containers through the big cover fastening device in an up-and-down matched mode to form the lower filtering inner container bin. The small bin cover is either of a movable cover structure or of a turnover cover structure, and is integrally connected with the big bin cover through the small cover fastening device to form the upper control bin. The filtering inner containers with limit structures are arranged in the U-shaped filtering inner container cavity, wherein the filtering inner containers are separated from the base after the big bin cover is opened and the filtering inner container fastening devices are disengaged; or the filtering inner containers are arranged in a filtering inner container hole rack of the big bin cover, wherein the filtering inner containers are separated from the base after the small bin cover is opened and the filtering inner container fastening devices are disengaged.

The invention relates to a water treatment industry and specially, relates to deep filtration and purification of drinking water. The invention discloses a water processor with a siamesed filtration tank and an underslung machine base. The water processor with the siamesed filtration tank and the underslung machine base comprises built-in pluggable filter elements, the siamesed filtration tank, a top cover, the underslung machine base with pipe open channels, upper and lower sealing members and fasteners. The siamesed filtration tank is in contact fit relationships respectively with the top cover and the underslung machine base, wherein the top cover is arranged on the siamesed filtration tank and the underslung machine base is arranged under the siamesed filtration tank. The upper sealing member is arranged between the siamesed filtration tank and the top cover. The lower sealing member is arranged between the siamesed filtration tank and the underslung machine base. Through the fasteners, the upper and lower sealing members, the siamesed filtration tank, the top cover and the underslung machine base are connected into an integral body comprising multiple sealed filtration tanks. A water feeding mouth arranged at the bottom of the integrated body comprising the multiple sealed filtration tanks is sealingly attached to the pipe open channels of the underslung machine base. All the sealed filtration tanks can realize sealing plugging spacing of the built-in pluggable filter elements in the sealed filtration tanks. The water feeding mouth of the integrated body comprising the multiple sealed filtration tanks is communicated with two sides of each one of filter material layers of the built-in pluggable filter elements so that a filtration channel for connecting the built-in pluggable filter elements in series is formed. The water processor with the siamesed filtration tank and the underslung machine base has the advantages that a machine structure is simple; assembling quality is stable; efficiency is high; disassembling and assembling are easy and need low labor consumption; the built-in pluggable filter elements are convenient for processing; and environmental pollution is avoided.

The invention relates to the water treatment industry, in particular to the deep filtration and purification aspects of drinking water. The invention discloses a fresh water treatment machine comprising a backflushing filter element, an engine base with a water inlet and a water outlet, a water path switcher and a sealing cover which contacts and is matched with the engine base to form a sealed inner cavity, the built-in water path switcher is provided with a hollow rotating shaft, one end of the hollow rotating shaft is hermetically communicated with a switching water nozzle of a rotary disc of the hollow rotating shaft, the other end of the hollow rotating shaft penetrates through a shaft via hole to form a rotatable water nozzle pipeline, another switching water nozzle of the rotary disc is communicated with another water nozzle pipeline of the engine base through the inner cavity, a fixed disc of the water path switcher is provided with 2-15 water nozzles which correspond to the water nozzles of the rotary disc, are arranged at isotonic included angles as units, correspondingly connected with 1-7 filter elements and form a filter channel, the fixed disc contacts and is matched with the rotary disc, only the water inlet and the water outlet are communicated, and the hollow rotating shaft drives the rotary disc to rotate a switching position by using each isotonic included angle as a unit and form a backflushing channel of the backflushing filter element.

The invention relates to the industry of water treatment, in particular to the aspects of depth filtration and purification for drinking water. The invention discloses a water quality processor, which comprises a filter core, a machine base provided with a water inlet pipeline A and a water outlet pipeline B, and a water path switcher consisting of an upper switching disc and a lower switching disc which are provided with two equant switching positions simultaneously and contact and match with each other to form a sealed switching surface, wherein the two equant switching positions on the lower switching disc are provided with a water inlet and a water outlet of which the switching water ports are communicated with the filter core respectively; and the upper switching disc is provided with the switching water ports which are communicated with the water inlet pipeline A and the water outlet pipeline B respectively and are correspondingly communicated with the water inlet and the water outlet of the lower switching disc. The filter core of the water quality processor has thorough backflushing with open-and-shut effect; the water quality processor can also meet different requirements on drinking and using water; by using a filtering state alarm to monitor the fine filter core dynamically and give an alarm, secondary pollution to the filter core is prevented preferably and the service life of the filter core is prolonged; and because the filter core can be replaced by a user through self operation, the use cost of the filter core is correspondingly reduced and the water quality processor also brings convenience to a remote user.

The invention relates to the water treatment industry, in particular to deep filtration and purification of drinking water. The invention discloses a full back-flushing water purifying treatment device. The device comprises back-flushing filter elements and a base with water inlet and outlet pipelines; the device also comprises a water passage switcher and a sealing cover; the sealing cover is in contact fit with the base through a sealing element to form a sealed cavity; a rotating disc and a fixed disc of the water passage switcher are in contact fit to form a sealed switching interface, and the switching face of the rotating disc of the water passage switcher is provided with three water ports, namely a water inlet bent hole communicated with the water inlet pipelines of the sealed cavity and the base, a water outlet blind hole and a transition blind hole which are mutually communicated; the switching face of the fixed disc of the water passage switcher is provided with a plurality of switching water ports corresponding to the switching water ports of the rotating disc, and the plurality of switching water ports are correspondingly connected at the back-flushing filter elements connected in series; and the fixed disc is butted with the water inlet bent hole of the rotating disc, the water inlet pipeline of the base, the transition blind hole and the water outlet blind hole through the water inlets in front and back of the back-flushing filter elements connected in series and the middle water outlet respectively, and connected with the water outlet pipeline through the water outlet of the fixed disc.

The invention relates to water treatment industry, particularly relates to filtering of drinking water and discloses a water purifier with a flipping cover device. The water purifier comprises a water inlet interface, a water outlet interface and a machine base which is used for placing a plurality of filter liners, wherein a shell body of each filter liner or closed filter liner or an inner container arranged in each filter cartridge is connected and fit with the machine base, and external water receiving openings are formed in the upper end face of each shell body. The water purifier further comprises an integral bin cover and a fastening device, wherein the integral bin cover is provided with a built-in pipeline and butting water openings; one end of the integral bin cover is hinged to the machine base by a shaft, the other end of the integral bin cover swings around the shaft in a fit manner and is connected and fixed onto the machine base by the fastening device, and two external water receiving openings of each filter liner correspond to the butting water openings of the integral bin cover; when the integral bin cover and the machine base are in a closed state, the external water receiving openings of each filter liner are in sealed butt joint with the butting water openings corresponding to the external water receiving openings respectively, and the built-in pipeline communicates the water inlet interface and the water outlet interface so as to form a filtering passage which connects all the filter liners in series; and when the integral bin cover and the machine base are in an opened state, the sealed butt joint between the external water receiving openings of each filter liner and the butting water openings is separated at the same time.

The invention relates to water treatment industry, in particular relates to the depth-type filtration and purification of drinking water, and discloses a method for connecting a filter drum and a built-in filter liner of a water purifier in a rotary inserting and rotary lifting manner, and the built-in filter liner. A convex insertion water opening with a sealing component is arranged at the lower end of the built-in filter liner positioned in a sealing cavity of the filter drum and is matched with a water passing hole of the built-in filter liner in an inserting manner; the rotary threaded inserting structure is arranged along the peripheral surface of the built-in filter liner or positioned on the peripheral surface of a casing of the built-in filter liner or positioned on the peripheral surface of the end cover of the built-in filter liner; a corresponding rotary threaded inserting structure matched with the built-in filter liner in a rotary connecting manner is arranged on the inner wall of the filter drum; the built-in filter liner positioned at high and low inserting and connecting positions can automatically move downwards or upwards when rotating along positive and negative directions of the rotary threaded inserting structures; the convex insertion water opening with the sealing component and the pipe wall of the water passing hole of a base are inserted together in a sealing manner or separated from each other; a linkage matching state and a separation matching state are set between a handle mechanism axially or rotatably linked with the built-in filter liner and a rotary lifting structure of the built-in filter liner.

The invention is relative to the water treatment industry, and concretely relates to deep filtration and clean-up of the drinking water. This invention discloses a water conditioner equipped with an interconnected filtration chamber and a splicing sealed structure. The water conditioner comprises a built-in splicing filter liner, an interconnected filtration chamber and upper covers, a water-transferring pipeline, a filtration airproof component and a clamp device. The upper cover and each filtration chamber of the interconnected filtration chamber are performed sliced cooperation, several sealed filtration chambers are composed of the filtration airproof component and the clamp device by connecting; each sealed filtration chambers were connected in series by water pipelines. The sealed filtration chambers set the sealing limits to the built-in splicing filter liner respectively, the interfaces of water pipeline are communicated to two sides of a material filtering layer of the built-in splicing filter liner. The invention has the advantages of simple device structure, stable installation quality, high efficiency, easy assemble and disassemble with little effort, the built-in splicing filter liner is convenient to replace, the usage cost of the filtration core can be reduced, and the water conditioner of the invention is convenient to the remote users.

The invention relates to the water treatment industry, in particular to drinking water filtration, and discloses a water purifier with an upper-arrangement control module and a lower-arrangement U-shaped filter bladder bin. The water purifier comprises a plurality of filter bladders such as a reverse osmosis membrane filter bladder and a nanofiltration membrane filter bladder, corresponding fixingdevices, a water pump, a concentrated-water discharge flow controlling device, a filter channel connected with and composed of the plurality of filter bladders, the water pump and the concentrated-water discharge flow controlling device through a water passing pipeline, a U-shaped filter bladder chamber for vertically placing the filter bladders, the upper-arrangement control module, and movableconnection devices; each filter bladder is fixedly connected to a U-shaped filter bladder chamber through one corresponding fixing device, and each filter bladder water opening is in seal butt joint with one corresponding docking water opening of the water passing pipeline; the water purifier further comprises a U-shaped facility chamber and a chamber cover, the facility chamber and the U-shaped filter bladder chamber are connected in parallel to form the lower-arrangement U-shaped filter bladder bin having a partition plate structure, and an orientation of the end opening of the facility chamber which is closed by the chamber cover is opposite or perpendicular to the end opening of the U-shaped filter bladder chamber; and the upper-arrangement control module is in contact fit with the upper and lower parts of the lower-arrangement U-shaped filter bladder bin, and the upper-arrangement control module is connected with the lower-arrangement U-shaped filter bladder bin by the moveable connection devices to form a whole.

The invention relates to water treatment, in particular to the deep filtration and purification aspects of drinking water. The invention discloses a method for connecting an opening filter housing with a base of a water purifier. The filter housing comprises an opening cavity and a group of arc tooth buckles, wherein the group of arc tooth buckles are uniformly distributed on the end surface of the opening cavity, and an included angle between the projections of the two ends of the arc length of each tooth buckle and the center of symmetry is at the range of 10-75 DEG. A filter liner is arranged in the filter housing, the base is provided with a group of arc fixed tooth buckles which correspond to the arc tooth buckles of the filter housing, front ends of the arc fixed tooth buckles are provided with plugs, notches are arranged among the tooth buckles, the filter housing in which the liner is arranged is inserted into the notches through the arc tooth buckles, and rotates to contact and match with the arc fixed tooth buckles of the base. The invention has the advantages that a filter core is convenient and labor-saving for replacement, the use cost is low; and products can be designed to be a liner inversion mode.

The invention relates to the industry of water treatment, specifically to filtration of drinking water. The invention discloses a water purifier having a U-shaped housing and a vertical filter liner cavity with a swinging latch hook device. The water purifier comprises the U-shaped housing, an upper cover and the swinging latch hook device. A water port of each filter liner and a docking water port corresponding to a water pipe in the U-shaped housing are in sealing butt joint to form a filtering channel. The water purifier also comprises a vertical filter liner cavity equipped with a swing shaft. The vertical filter liner cavity equipped with multiple filter liners is arranged at the upper part inside the U-shaped housing and is integrated with the upper part. A swinging hook plate is hinged to the swing shaft of the vertical filter liner cavity, or a single-shaft swinging latch hook structure is adopted, or a double-shaft swinging latch hook structure is adopted. The swinging hook plate which swings around the swing shaft of the vertical filter liner cavity and the latch hook structure arranged at the upper cover are contacted to form a closed state of the swinging latch hook device. Then, the upper cover is connected with the vertical filter liner cavity and the U-shaped housing to form a whole body. The movable swinging hook plate and the latch hook structure are separated to form an open state of the swinging latch hook device so as to open the upper cover.

The invention relates to the water treatment industry, in particular to drinking water filtration, and discloses a water purifier with an upper-arrangement control module and a U-shaped filter bladderbin and self-supporting filter bladders of the water purifier. The water purifier comprises filter bladders and a filter channel, and further comprises the upper-arrangement control module with a water passing pipeline having upper docking water openings and a through hole structure, upper fixing devices, the self-supporting filter bladders with upper fastening structures and lower docking wateropenings which are arranged on the same side, and moveable connection devices; the upper-arrangement control module cooperates with the U-shaped filter bladder bin in which the self-supporting filterbladders are put; each moveable connection device located between one upper fixing device of the upper-arrangement control module and one corresponding self-supporting filter bladder is in connectionfit with one corresponding upper fastening structure of one self-supporting filter bladder through one corresponding through hole structure, the upper-arrangement control module and the U-shaped filter bladder bin are integrally connected, and the plurality of upper docking water openings of the upper-arrangement control module are in simultaneous seal butt joint with the corresponding lower docking water openings of the self-supporting filter bladders; and the upper fastening structures of a filter bladder shell with the lower docking water openings are either threaded fixing structures or aset of arc-shaped radial fixing tooth fastening structures used for a rotary clamping structure.

The invention relates to water treatment industry, in particular to purification aspects of drinking water and discloses a box-type water purifier. The box-type water purifier comprises a filter core communicated with a corresponding water gap of a filtering channel, a frame type rack provided with a front side surface and a rear side surface, and a movable side cover plate, wherein the movable side cover plate is in contact fit with the frame type rack and can move fore and aft along the side face edge of the frame type rack; a water channel switcher is also arranged to be a three-plate structure connected between the filtering channel and a water inlet tube and a water outlet tube of the filter core: a middle plate between an upper plate and a lower plate is a movable plate, and is contacted and matched with the upper plate and the lower plate to form a double sealing switching interface, an outfall communicated with a drainage channel is arranged, a water inlet and a water outlet of the upper plate are connected to the filtering channel; the water inlet and the water outlet of the lower plate are communicated with the water inlet and the water outlet of the filter core; the water inlet and the water outlet of the middle plate are respectively joined and communicated with the corresponding water inlets and water outlets of the upper plate and the lower plate, and the outfall of the middle plate corresponds to the water inlet of the lower plate, and is communicated with the water inlet in a back flushing channel.

The invention relates to the water treatment industry, in particular to drinking water filtration.The invention discloses a U-shaped housing device provided with a side wall pipeline structure of a water purifier.The device comprises a U-shaped housing for accommodating and placing a plurality of filtration liners, an upper cover and a swing lock hook device, wherein eachfiltration liner isconnected withand fixed in the U-shaped housing via a filtration liner fastening device; water gaps of the filtration liners are in butt joint with butting water gaps of water through pipelines on the bottom surface of the U-shaped housing in a sealing manner to form a filtration channel; the upper cover is ofa siding structure or a flip structure; the swing lock hook device connects the U-shaped housing with the upper cover to form an enclosed filtration liner cabin; the upper cover is moved after the swing lock hook device is opened; the device further comprises the pipeline structure arranged on the outer side of a cavity wall of the U-shaped housing; and the pipeline structure is at least one of an overflow pipeline structure or a guide pipeline structure and is integrally formed with the U-shaped housing.

The invention relates to the water processing industry, which concretely relates to the aspects of the deep filtration and the purification of drinking water. The invention discloses a box type water processor which comprises a filter cartridge and also comprises a frame type stand and a movable side cover plate, wherein the frame type stand is provided with a water inlet and a water outlet; the movable side cover plate and the frame type stand are contacted and matched by a locking hook and a locking hole, and the movable side cover plate can move along the edge of the side face of the frame type stand in parallel and is staggered with the frame type stand by the position of the locking hook; and the filter cartridge is positioned in the frame type stand and is communicated with the water inlet and the water outlet on the frame type stand to form a filtration passage. The invention has the following advantages of convenient installation and good adaptability of equipment and pipelines and enhances the grade of a product; and the filter cartridge is easy to replace, a user can replace the filter cartridge by oneself, the inconvenience and the service expense caused by the condition that a water purifier only can be installed by a professional in a visit way and the filter cartridge only can be replaced by the professional at present are avoided, and the invention is beneficial to the popularization and the generalization of the water purifier.

The invention relates to water treatment industry, in particular to the depth-type filtration and purification of drinking water. The invention comprises a pipeline interface used for connecting the inlet water and the outlet water, an engine seat which is connected between the interfaces of a water inlet pipeline and a water outlet pipeline and is provided with circular water gaps and a closed filter element that is provided with circular water gaps and can be fixed on the engine seat in a self-rotation way; wherein, all the circular water gaps of the closed filter element are in abutting joint and matched with that of the engine seat, and a sealing element is arranged between the closed filter element and the engine seat. The invention has the advantages of simple assembly of the filter element, easy control of the quality and convenient replacement. By adopting the filter element with a plurality of circular water gaps, the filter element can be designed into a combination with multilevel filtering layers, thus improving the filtration effect and the quality of the products. As the filter element is very easy to replace by the self of the user, the service expense caused by visit of professional for replacing the filter element at the home of the user is avoided, thus relatively reducing the using cost of the filter element.

The invention relates to water treatment industry, concretely relates to drinking water filtration, and discloses a filter liner rotation-connection interlocking method for a multiple-filter-liner water purifier and a filter liner device. Filter liners cooperate with a water purifier base cavity body through a rotation-connection structure or cavity covers cooperate with filter cylinder cavity bodies through a rotation-connection structure; a shell body of each seal filter liner is provided with an axial-direction insertion-connection gap, and is also provided with an axial-direction insertion piece which is in insertion-connection cooperation with the corresponding axial-direction insertion-connection gap; and when the seal filter liners are in rotation-connection cooperation with the water purifier base cavity body at a rotation-connection lower place, the axial-direction insertion-connection gaps in the shell bodies of the two seal filter liners are corresponding with each other, and two plugs which are arranged at the axial-direction insertion pieces are separately inserted into the axial-direction insertion-connection gaps of the shell bodies of the two seal filter liners to limit rotation of the seal filter liners. Each cavity cover is provided with an axial-direction insertion-connection gap, and is also provided with an axial-direction insertion piece which is in insertion-connection cooperation with the corresponding axial-direction insertion-connection gap; and when the cavity covers are in rotation-connection cooperation with the filter cylinder cavity bodies at a rotation-connection lower place, the axial-direction insertion-connection gaps of the two cavity covers are corresponding with each other, and two plugs which are arranged at the axial-direction insertion pieces of the cavity covers are separately inserted into the axial-direction insertion-connection gaps of the two cavity covers to limit rotation of the cavity covers.

The invention relates to water treatment industry and in particular to filtration of drinking water and discloses a method for movably connecting a rotating part of water purifier and a rotating handle device, as well as a rotating body and the rotating handle device. The rotating handle device is spliced and matched with the rotating part which comprises a closed shell, a cavity cover and a rotating shaft. A group of swinging arms are arranged on the inner side of the wall of a support cylinder of the rotating handle device to form a movable clamp tongue mechanism, clamp tongues are arranged at the lower ends of the swinging arms, and the swinging arms incline inwards; a button provided with a radial convex edge is arranged on a spring support frame on the wall of the support cylinder through a spring and is in contact fit with an axial limiting through hole structure arranged on a rotating handle; when a concave plug of the rotating handle device is spliced and matched with a convex axial splicing rotation linkage structure of the rotating part, the clamp tongues of the swinging arms are clamped and matched with clamp slots formed in the top end of the convex axial splicing rotation linkage structure; and when the button moves downwards, the swinging arms are driven by the radial convex edge to release the splicing and matching between the clamp tongues and the clamp slots, and the rotating handle device moves upwards to release the splicing and matching with the rotating part.

The invention relates to the water treatment industry, in particular relates to deep filtration of drinking water, and discloses a method for locking the connection position of a frame type base and a filtering container of a water purifier. The water purifier comprises a filtering container, a frame type base as well as a moving cover plate and an internal buckle type fixing connector, wherein the frame type base is provided with a water inlet pipeline and a water outlet pipeline; the moving cover plate is provided with a transverse convex block; the moving cover plate is in contact matching with the edge of a frame of an operation window of the frame type base, moves along a moving track on the edge of the frame transversely, and is dissociated from the frame type base; the internal buckle type fixing connector is horizontally arranged inside the frame type base; one notch of the internal buckle type fixing connector is close to the operation window; the filtering container with the internal buckle type fixing connector is inserted and screwed with the internal buckle type fixing connector of the base; a water inlet and a water outlet are abutted with the water inlet pipeline and the water outlet pipeline of the frame type base so as to form a filtering channel; when the moving cover plate is in contact matching with the edge of the frame of the frame type base, the transverse convex block of the moving cover plate is positioned inside the internal buckle type fixing connector, and thus the rotating of the filtering container is limited.

The invention relates to the water treatment industry, in particular to aspects of depth-type filtration and purification of drinking water. The invention discloses a water quality filter which comprises a filter element, a stand, an overhead stand and a bracket device contacted and matched with the overhead stand, wherein bracket mounting slots with two corresponding sides are arranged on the stand; and the filter element is hung below the stand in a suspension way and is provided with a loading and unloading space. The invention has the following advantages that the installation is convenient, the compatibility between the device and a pipeline is good, the quality of the product is improved, and the filer element is replaced easily. As the filter is replaced easily, a user can purchase and replace the filer element by self, thereby the convenience for popularizing a water purifier is achieved. The expense consumed by replacing the filter element only by professional personnel door-to-door is avoided so that the using cost of the filer element is correspondingly reduced, thereby being also convenient for remote users.

The invention relates to the field of water treatment, in particular to the depth-type filtration and purification of drinking water. The invention discloses a filtering shell of a water purifier and a connecting method with a base. The filtering shell comprises an open cavity body and a group of circular arc-shaped jaws, wherein the group of circular arc-shaped jaws are uniformly distributed on the end surface of the open cavity body, and the range of an included angle between the projections of two ends of the arc of each jaw and a symmetric center is 10 degrees-75 degrees; a filtering internal bladder is arranged in the filtering shell; a group of circular arc-shaped fixing jaws corresponding to the circular arc-shaped jaws of the filtering shell are arranged on the base, and plugs are arranged at the front ends of the jaws; gaps are arranged among the jaws; the filtering shell of the built-in internal bladder is inserted into the gaps through the circular arc-shaped jaws, and is rotated to be in contact fit with the circular arc-shaped fixing jaws of the base; and a device in a wedge-shaped structure for enabling the filtering shell to generate vertical displacement is also arranged on the base. The invention has the following advantages that the replacement of a filtering element is convenient and labor-saving, the use cost is low, and the product can be designed in a mode that the internal bladder is inverted.

The invention relates to the industry of water treatment, specifically to filtration of drinking water. The invention discloses a water purifier having a lateral concave vertical water port structure. The water purifier comprises a U-shaped housing with two lateral lifting structures, an upper cover, a vertical water port, filter liners and a water control part. Each filter liner is connected and fixed inside the U-shaped housing through a fastener, and a water port of each filter liner and a docking water port corresponding to a water pipe in the U-shaped housing are in sealing butt joint to connect the water control part at the relevant plate to form a filtering channel. The upper cover is cooperatively connected to upper and lower parts of an upper port of the U-shaped housing to form a closed filter liner cavity. The invention is characterized in that an arched water port rack is also involved. The vertical water port and the arched water port rack are integrated to form a lateral concave vertical water port device, which is arranged on a lateral concave fa ade structure in the length direction of the U-shaped housing, or placed below one lateral lifting structure or below two lateral lifting structures. The arched water port rack of the fixed vertical water port is connected to the U-shaped housing through a fastening standard component to form a whole body.

The invention relates to water treatment industry, particularly deep filtration and purification of drinking water. The invention discloses a drinking water terminal treatment device with a wheel-driven device, which comprises a base, a filter material layer and a wheel-driven device, wherein the base is provided with pipelines which are connected in series; the filter layer and the base form a contact fit; both sides of the filter material layer are connected with the base pipelines in series to form water treatment channels; the wheel-driven device is provided with rolling wheels and positioned below the base, and forms a connection fit with the base; and the rolling wheels form supporting feet of the base. The invention has the following advantages: the machine is convenient and labor-saving for movement; the filter material layer is convenient for treatment and replacement; the user can conveniently replace the filter element by himself, thereby avoiding inconvenience and service payment caused by the professional's reservation and door-to-door service, and correspondingly lowering the use cost of the filter element.

The invention is related to the water treatment industry, and specifically relates to the filtration of drinking water. The invention discloses a plugging method and a filter device for a closed filter gall and a rotary handle of a water purifier. The filter gall and the base cavity or the cavity cover and the filter cartridge cavity are all matched by a screw connection structure; the concave-convex axial plug-in rotation linkage structure set on the closed filter gall shell or cavity cover and the convex-concave plug shaft set on the handle To plug fit and coaxial rotation linkage. It also includes a concave-convex axial plug-in rotation linkage structure corresponding to the convex-concave plug to be connected; the concave-convex axial plug-in rotation linkage structure is arranged on the upper end surface of the housing and is coaxial with the housing; it also includes A concave-convex axial plug-in rotation linkage structure corresponding to the convex-concave plug of the handle to be connected; the concave-convex axial plug-in rotation linkage structure is arranged on the upper end surface of the chamber cover and is coaxial with the chamber cover.

The invention relates to the water treatment industry, in particular to drinking water filtration, and discloses a sealing cover device of a water purifier provided with an upper control module and alower filter container bin. The water purifier comprises filter containers, a water passing pipeline, a control part, a lower filter container bin, an upper control module and a loose joint device, the water passing pipeline is connected with a plurality of filter containers and a water passing control part to form a filter channel; the upper control module and the lower filter container bin are connected into a whole through the loose joint device; the water purifier further comprises an inserting plate provided with a plurality of inserting tongues in the same direction and a traction rod, asealing cover device internally provided with an inserting plate interlayer, a coupler provided with a swing rod, a swing shaft, a rear connecting structure and a radial swing rod, a swing handle mechanism provided with an inclined guide structure, and apressing structure matched with the inserting tongues in an inserted mode and arranged on an upper matching component and a lower matching component of the sealing cover device. The swing rod drives the swing shaft and the coupler to swing, the radial swing rod drives the inserting plate to move in the axial direction under the action of the inclined guide rail, the inserting tongue is inserted below the pressing structure, and the sealing cover device is connected with components matched with the sealing cover device vertically in an inserted mode.