79results about How to "Prevent splashing water" patented technology

Provided is a water splashing resistant flush closet. A baffle is arranged inside a toilet bowl of a closet body, the baffle is connected with a crank shaft connecting rod mechanism through a mechanical transmission mechanism, the crank shaft connecting rod mechanism is connected with a flushing button, water can be prevented from being splashed, 90-degree / 180-degree repeated turning of water can be achieved when the water is flushed so that dirt can be flushed away and the toilet bowl and the baffle are completely flushed clean, the dirt is prevented from being kept on the baffle, the dirt slowly disappears through water infiltration even though the dirt is kept on the baffle, and all mechanical parts are common. The water splashing resistant flush closet is simple in structure, convenient to use and low in cost.

The invention discloses a method for detecting biochemical indexes of excrement in a toilet and detection equipment using the method. The biochemical indexes of the excrement can be directly detected in a closestool, the detection result can be directly seen after defecating or flushing, and the use is convenient. The equipment is high in degree of automation, and continuous conventional detection is conveniently performed; foam serves as a color developing agent carrier, the observation is easy, and the interference of turbid sewage on the observation result is eliminated. The foam dispersion effect is good, the color developing agent and the substrate can be uniformly dispersed in a water seal, the dosage is saved, and convenient observation is realized; and moreover, according to a surfactant in the foam, the detection sensitivity is improved.

The invention relates to an automatic line of wide-opening barrel-shaped containers used in the industry such as cleaning chemical engineering, coating and sugaring adopting the high-pressure water jet technology. The automatic line is characterized in that the automatic line comprises a conveyor, an opening and outer wall cleaning mechanism and an inner wall cleaning mechanism; an oblique carrierroller rack is mounted on the conveyor, intermittent operation is achieved, and precise locating can be achieved; a rotating barrel mechanism is adopted by the opening and outer wall cleaning mechanism for driving to-be-cleaned barrels to rotate on the carrier roller rack, a fixed barrel opening cleaning head and a reciprocating motion outer wall cleaning head are used in cooperation, and barrelopening cleaning and barrel outer wall cleaning are completed at the same time; a barrel holding support is adopted by the inner wall cleaning mechanism for fixing the positions of the barrels duringcleaning, and a high-pressure cleaning head of high-speed rotation and reciprocating motion is used for completing barrel inner wall cleaning; and a system is provided with a residual material removalgroove and a waste slag removal conveyor. A whole machine has the advantages of being high in automation degree, saving manpower and reducing labor intensity.

The invention discloses a full-automatic oil sealing type toilet bowl. The full-automatic oil sealing type toilet bowl comprises a bowl body, a bowl cover, a toilet bowl cushion, a waste discharge pipe, a tank cover, a waste paper pipe, a first oil sealing layer and a waste layer. An oil sealing cavity and a waste storage cavity are arranged inside the bowl body and communicated through a communication opening. The communication opening is formed in the bottom of the oil sealing cavity. The waste discharge pipe is arranged inside the waste storage cavity. The port of one end of the waste discharge pipe is located inside the waste storage cavity, and the other end is located outside the bowl body. The waste layer is arranged inside the oil sealing cavity and the waste storage cavity. The first oil sealing layer is arranged at the portion, above the waste layer, of the oil sealing cavity. The bowl cover is arranged on the top of the oil sealing cavity. The toilet bowl cushion is arranged between the bowl cover and the bowl body. The toilet bowl cushion and the bowl cover are connected through a connecting shaft. The connecting shaft is connected with the tank cover. The connecting shaft is located on a fixing base. The fixing base is located on the bowl body. The tank cover is located on the top of the waste storage cavity. The waste paper pipe is arranged on the tank cover. When the full-automatic oil sealing type toilet bowl is in use, no water is splashed, water is saved, no foreign smell is generated, cleanness and sanitation are achieved, and pipelines are not blocked during discharging.

The invention particularly relates to a full-automatic water-saving buttocks-splash-proof squatting and sitting dual-purpose toilet WC pan which comprises a water tank, a urinal, a flushing pipeline and a blowdown pipeline. The rear of the water tank is directly communicated with a running water pipe, the urinal is a squat toilet urinal, the flushing pipeline comprises a flushing water ring, a flushing water pipe and a spraying water pipe, and the blowdown pipeline comprises an S-shaped blowdown pipe. The urinal is provided with a cushion, a casing is arranged around the urinal, two side portions of the casing serve as pedals, the front end of the cushion is supported on a front baffle of the urinal, the rear end of the cushion is hinged to the casing at the rear of the urinal through a rotating shaft, a bottom wall of the urinal is inclined from front to rear downwards, a blowdown opening is arranged at the rear end of the urinal to be communicated with the S-shaped blowdown pipe, the flushing water ring surrounds the urinal, flushing water holes are evenly formed in the upper portion of the flushing water ring, and the flushing water pipe and the spraying water pipe are led out of the water tank, the other end of the flushing water pipe is communicated with the flushing water ring, the other end of the spraying water pipe is respectively communicated with a first spraying port and a second spraying port, a check valve is arranged at the position of a blowdown outlet of the S-shaped blowdown pipe, and an infrared sensor control switch is installed between the flushing water pipe and the spraying water pipe. The full-automatic water-saving buttocks-splash-proof squatting and sitting dual-purpose toilet WC pan is wide in applied range, integrates squatting and sitting, conforms to the Chinese's use characteristics, performs flushing automatically, is excellent in performance, saves water, performs flushing cleanly and cannot blocked easily.

The invention relates to a splashproof device for a toilet. The splashproof device comprises a toilet body, wherein an air bag is arranged at a cushion part of the toilet body, and a balloon is arranged in a drainage port of the toilet body and communicates with the air bag through an air pipe; after the air bag is pressed, gas is inflated into the balloon, and the balloon floats in the drainage port of the toilet body. According to the splashproof device for the toilet, the inflatable balloon is adopted to float in the drainage port of the toilet body, excrement splashing is prevented, and the splashproof device is simple in structure, low in cost and broad in market prospect.

The invention discloses an automatic washing machine for a mop and a special mop thereof, and relates to the field of daily necessaries. The automatic washing machine for the mop comprises a shell (11), a washing barrel body (1), a disinfecting system (12), a mop fixing frame (2), a two-way door opening and closing system (3), a driving mechanism, a water inlet and drain system, a cleaning solution feeding device (14) and a control panel, and is characterized in that the washing barrel body is arranged in the middle of the shell, a disinfecting system which is arranged on the shell and the two-way door opening and closing system (3) are arranged above the washing barrel body, the driving mechanism is arranged below the washing barrel body, and the water inlet and drain system and a water level detection system are arranged at the side wall of the washing barrel body; the shell is provided with the mop fixing frame, and a control panel is arranged at the top of the mop fixing frame. The automatic washing machine provided by the invention has the active effects of being stronger in detergency, safe to use, simple in structure, easy to produce, automatic to operate and convenient to operate, and the sterilization and deodorization can be realized.

The invention discloses a foam aerosol for toilet, which is prepared from, by weight, 6-9 parts of an acrylonitrile-ethylene-styrene copolymer, 0.03-0.05 parts of sodium oxide, 3-5 parts of sulfonic acid, 0.3-0.5 parts of coconut fatty acid diethanolamide, 0.4-0.6 parts of sodium hydroxide, 0.3-0.9 parts of an emulsifier O-9, 0.1-0.8 parts of sodium citrate, 0.1-0.15 parts of essences, 10-20 parts of acrylpimaric(2-p-nitrophenyl)thiadiazole, 2-4 parts of thymol and 80-86.97 parts of water. The foam aerosol can avoid water splash and block virus contact, thus effectively achieving sanitary and healthy defense. Through isolation and coverage by the foams with combination of the fragrance of the essence, stink is effectively isolated. The foams contain cleaning factors, so that the foam aerosol can effectively clean the toilet. In addition, the foam can cover excrement, thereby avoiding visual sense.

The portable separated washing machine consists of two parts including separable washing barrel assembly and driver assembly. The washing barrel assembly includes washing barrel and stirring wheel installed on the rotating shaft in the bottom; and the driver assembly includes motor, transmission mechanism connected to the motor, motor controller and casing for holding the said parts. The casingis one L-shaped one comprising one horizontal casing and one vertical electric element casing with communicated inner cavities. The output shaft of the motor is set downwards inside the electric element casing, and the output shaft of the transmission mechanism is connected to the shaft of the stirring wheel via a detachable transmission coupling mechanism. The present invention has lower working gravity center, high stability and safety and low cost, and is favorable to setting belt transmission unit with great transmission ratio and preventing leakage.

The invention provides an anti-spattering film for a closestool. The anti-spattering film is connected with a first sucker, and the area of the anti-spattering film ranges from 1 / 5 to 4 / 5 of that of the water sealing level of the closestool. The surface of the anti-spattering film is coated with an anti-sticking bacteriostatic coating and the anti-spattering film is made of plastics or silicone. Through adoption of the structure, the anti-spattering film, together with the tensile strength of the water surface, can be used for buffering the impact generated when human excrement falls into water, and the human excrement falls onto the anti-spattering film at first and then falls into water, so that the impact between the human excrement and water is minimized, and the problem of water spattering of the closestool is solved. The anti-spattering film can be used for a long time due to the excellent antifouling effect and is simple in structure and low in cost. The characteristics of the sucker and the elasticity of the anti-spattering film are utilized, so that after being cleaned during flushing of the closestool, the anti-spattering film can recover to the original shape and position, and accordingly, relatively good self-cleaning and restoring effects are achieved.

The invention belongs to the technical field of humidifying systems and discloses an intelligently controlled auxiliary humidifying device which is provided with a water tank. A wind guiding cover isfixedly mounted on the water tank; a water retaining cover is mounted and fixed on the wind guiding cover through a button position; a wet curtain is mounted in the water tank in a sleeving manner; amounting support structure in a uniform sawtooth shape is arranged at the bottom of the water tank; a water tank cover is mounted at the upper end of the water tank in a buckling manner; and the windguiding cover takes an umbrella shaped structure. The intelligently controlled auxiliary humidifying device reasonably utilizes the air flow purified by a purifier; a module does not consume electricenergy and is cooperated with the purifier to realize multiple functions including purifying and humidifying; the wind guiding cover is umbrella-shaped to smoothly guide purified air to the periphery;the wind guiding cover and the water retaining cover are combined to effectively prevent water from splashing to a middle air flue when water is poured in the water tank; and intelligent control, including infrared remote control and remote WIFI control, of a humidifying module is realized through a control system of the purifier.

The invention relates to the technical field of household appliances, and discloses a water heater. The water heater comprises a microprocessor, a human body sensor, a display board and an audio player, wherein the human body sensor, the display board and the audio player are respectively connected with the microprocessor. The microprocessor is used for obtaining the human body information sensed by the human body sensor, and transmitting a control instruction to the display board and the audio player; the display board is used for displaying the working information of the water heater according to the control instruction; and the audio player is used for playing audio data according to the control instruction. The invention also provides a control method of the water heater; the human body sensor is added in the water heater, so that the change of a human body can be sensed in real time; whether the display board and the audio player work or not is controlled according to the position change of the human body, and the stand-by power consumption of the water heater is reduced. In addition, the audio player is arranged in the water heater, water is prevented from splashing, and the service life of the water heater is prolonged.

Disclosed is a water closet with anti-splash device and an anti-splash device comprising: a water closet, an anti-splash device arranged on the water cover of the water closet; for the anti-splash device, an anti-splash membrane being on the water cover, the surface of the anti-splash membrane being provided with anti-adhesive layer and being provided with a plurality of protrusions, the anti-splash membrane being connected with the water closet by a fixing device, each protrusion being provided a cavity with open bottom therein. The combined action of the tension force between the anti-splash membrane and water surface, the comparatively large water resistance produced by the shape of the anti-splash membrane, and the sealed air buoyancy of protrusions on the anti-splash device can impose a buffer force on the impact force caused by stool falling into water. As a result, the stool will fall onto the anti-splash membrane before falling into water. In this way, a minimum level of impact force will be produced between the stool and water, and the problem of water splashing which often happens in water closets or squatting pans can be solved.

The invention discloses a pulsator washing machine and a door cover thereof and relates to the technical field of washing machines. The door cover can be sealed tightly after being closed, so that water splashing and foam overflow are prevented. The door cover herein comprises a door cover body; the lower surface of the door cover body is connected with a bottom shell that is raised down; the periphery of the edge of the bottom shell is used for sealing fit with a door seal on a pulsator washing tub of the washing machine. The door cover is applicable to pulsator washing machines.

The application discloses a urinal. The urinal comprises a urinal wall, a urine containing cavity and a sensor, wherein a water drain outlet is formed in the urine containing cavity, and the urinal wall is of a cylindrical structure; the bottom part of the urine containing cavity is of a funnel-shaped structure; the sensor is arranged right ahead the urinal wall; two sides of the front surface of the urinal wall are provided with right-angle baffle plates; the water drain outlet of the urine containing cavity is provided with a switching valve. According to the urinal disclosed by the invention, the effects that a certain amount of clean water is enabled to be kept in the funnel-shaped structure when the urinal is not used, the situation that the urinal is used by a person can be sensed by the sensor when the urinal is used by the person, urine and water are together flushed away by the action of the sensor and the switching valve after the use, and a certain amount of clean water is kept in the funnel-shaped structure can be achieved due to the arrangement of the sensor; water splashing can be prevented by such a design, and the air environment of a whole bathroom can also be improved.

A foam producing device comprises a cylindrical waterproof casing as well as a gas chamber, a liquid chamber and a liquid storage cavity which are sequentially, adjacently and vertically arranged in parallel and also comprises a mixing chamber transversely arranged below the gas cavity; the liquid storage cavity is filled with a foaming liquid and communicated with external air, the bottom of theside wall of the liquid storage cavity is connected to a liquid inlet at the bottom of the side wall of the liquid cavity, and the bottom surface of the liquid cavity is communicated with a liquid inlet of the mixing cavity through a liquid inlet pipe; a gas inlet pipe communicated with the outside is communicated with a gas inlet at the bottom of the side wall of the gas cavity, and the bottom surface of the gas cavity is communicated with a gas inlet of the mixing cavity; the tail end of the mixing cavity is filled with filler, and a foam outlet arranged at the tail end is communicated witha foam pipeline outside the waterproof casing; pistons at the same height are arranged in the adjacent gas cavity and the liquid cavity, and the two pistons are connected with the side walls of the gas cavity and the liquid cavity in a sealed and sliding fit manner. The foam producing device is used for a splash-proof and odor-resistant foam spraying toilet using the foam producing device. The technical problems about odor overflow and sewage splash of ordinary toilets can be solved.

A toilet bowl includes: a toilet bowl body having a toilet bowl pool and an edge opening; a water diversion seat which is connected with the edge opening and is positioned on the rear side of the toilet bowl pool; a water channel which is located in the water diversion seat and provided with a water flushing opening, wherein the water flushing opening is located in the front side wall of the waterdiversion seat; and a protruding part which is located in the water channel. The protruding part can play a role in adjusting resistance borne by water in the water channel, and therefore the water outlet amount of the water channel can be conveniently controlled.

The invention discloses a device for electrically cleaning a mop. The device comprises a mop rod, a battery pack and a power line and a control signal line are arranged in the mop rod, and a three-hole plug for charging the battery pack is arranged outside the mop rod; the upper end of the mop rod is provided with a single-chip control unit, the single-chip control unit is provided with a power button, a forward button and a reverse button, and the power line and the control signal line are connected to the single-chip control unit; the lower end of the mop rod is provided with a cleaning device, the cleaning device comprises a motor, the lower end of the motor is provided with a pressure roller stick, the lower end of the pressure roller stick is fixed at the bottom of a water tank, and the motor and the pressure roller stick are immersed in the water tank; the water tank is also provided with four cleaning roller sticks, and each roller stick is fixed in the water tank; the left andright tank walls of the water tank are respectively provided with handles, and the outer wall of the water tank is provided with a water retaining fixing plate, a water inlet channel and a water outlet channel. The device for electrically cleaning the mop can automatically clean the mop head, reduces the labor intensity of the cleaning personnel, and meets the needs of the general population.

The invention discloses an anti-splashing closestool device. The anti-splashing closestool device comprises a closestool cover, a closestool ring, a water tank and a substrate, a holding cavity A and a holding cavity B are arranged in the substrate, the holding cavity A is a bowl-shaped cavity with openings in the upside and downside, the holding cavity B is a bowl-shaped cavity symmetrical to openings of the holding cavity A, and an elastic stop piece is arranged at the joint between the holding cavity A and the holding cavity B through a torsion spring; a weighing device is arranged in the closestool ring, the weighing device comprises a PLC controller and a weight measurer, a pedal is arranged before the substrate and provided with a pressure sensor, a water drain valve and a water inlet valve are arranged in the water tank, and the water inlet valve comprises a water inlet pipe, a water inlet and a water outlet; the water inlet pipe is provided with an electromagnetic valve. The stop piece is divided into a stop piece A and a stop piece B, when the stop piece A and stop piece B are closed, the opening is closed towards the downside, and there is a gap under the closed state. The anti-splashing closestool device is capable of preventing the closestool spluttering water when using, the water amount can be randomly controlled according to the need when draining dirt, and the water saving performance is excellent.

The invention relates to a squatting and sitting toilet. A sitting toilet hole 2 is arranged in the middle of a sitting toilet plate 1, the sitting toilet plate 1 is connected with a front supportingplate 3 through a connecting shaft 19, a balance grip 4 having a vertical effect is arranged on the front above the front supporting plate 3, the sitting toilet plate 1 is connected to a rear support5 by a slow-descending hinge 9, the rear support 5 is fixed to a wall 8 through expansion screws 7, and a sterilization lamp 10 arranged below and behind the rear support 5 is turned on by a timer 11and can disinfect and deodorize any articles in a toilet. People can conveniently clean private parts under the side of the sitting toilet plate 1 by a hot water pipe 14 via a hose 15 and a cleaner for women 16 after answering the call of nature and then dry themselves by a hot and cold blower 12. Water in a flushing tank 13 enters the squatting bowl 6 via a flushing pipe 17 to flush the squattingbowl. The squatting bowl 6 having a water storage bay is provided with an anti-splash float ball 18, a foldable backrest 20 for the elderly is arranged above the rear of the sitting toilet plate 1 and is connected to an armrest 22 through a hinge shaft 21, and a movable shaft 23 and a spring tension rod 24 have a folding function. The sanitary facility with both a squatting function and a sittingfunction provides more convenient needs for people.

The invention discloses a splash-proof water receiving disc assembly applied to a warm type water boiler. The splash-proof water receiving disc assembly comprises a water receiving disc body (1). The surface of the water receiving disc body is provided with a plurality of grooves (10). The water receiving disc body is arranged on a water receiving disc support (2), and the two ends of the water receiving disc body and the two ends of the water receiving disc support are provided with side plates (3). When warm water is dripped to the surface of the water receiving disc body, water spots cannot be scattered and cannot scald a person who is drinking water due to the fact that the water meets the grooves and flows into the grooves, the water flows to the side plates through the groves and then flows to the water receiving disc support, and tea, floral leaves and impurities can flow into the water receiving disc support directly. By means of the splash-proof water receiving disc assembly, the water spots can be prevented from scattering effectively, bidirectional drainage is achieved, no water is accumulated on the surface, the impurities can be processed conveniently and fast, safety is improved, and working efficiency is improved.

The invention relates to a movable pedestal toilet with washing and ventilation functions and an application method thereof and belongs to the technical field of sanitary ware. According to the technical scheme of the invention, the movable pedestal toilet is composed of an upper part, a middle part and a lower part which can be rapidly disassembled and assembled, wherein the upper part is a sealing cover (1), the rear end of the sealing cover (1) is hinged with the rear end of a pedestal toilet body (2) and is buckled on the pedestal toilet body (2) in a matching manner; the middle part is the pedestal toilet body (2) and is buckled on a storage container (3) in the matching manner; the lower part is the storage container (3); and when the three parts are assembled together, one sealed and airtight cavity is formed. On the basis of an existing movable pedestal toilet technology, a water washing structure, an exhausting structure and the like are added. A toileting private space is rapidly built by virtue of a support (18) and a soft curtain (19). By combining functions, a no-washing movable pedestal toilet can be designed, and a movable squat toilet can be obtained through deformation. The movable pedestal toilet with the washing and ventilation functions achieves washing effect of a fixed pedestal toilet and ventilation effect of an indoor bathroom, can replace construction and pipeline engineering and can be used for rapidly building the indoor bathroom.

The embodiment of the invention discloses a wall type splash-proof automatic sleeve changing toilet and a using method thereof. The toilet comprises a toilet body and a baffle plate, the baffle plateand a main body frame are spliced with each other to form an accommodating chamber, the accommodating chamber is provided with a film changing device and a foam generating device, the film changing device comprises a driving reel and a passive reel, the driving reel and the passive reel are installed in the main body frame through a bracket, sanitary film entangled on the passive reel sleeves andis inserted into one end of a film changing cushion of a toilet lid and is connected to the driving reel, the foam generating device is connected to a urinal through a foam conveying tube, a central controller is mounted in the main body frame, and the foam generating device and the film changing device are connected to the central controller through a cable. The toilet solves the problems in theprior art that the storage volume of the sanitary film is small and the amount of foam generation is small due to the small volume of a toilet base bin.

The invention relates to a flush toilet provided with a splash-proof floater. The adopted technical scheme is that the flush toilet provided with the splash-proof floater comprises a toilet body and a water tank, wherein a flush button is mounted on the water tank, and a water seal is arranged in a urinal of the toilet body. The flush toilet provided with the splash-proof floater is characterized in that a ball bottle shaped cavity is formed in and above the position of the water seal in the urinal of the toilet body, a floater is located on the water seal surface in the ball bottle shaped cavity, the diameter of the floater is larger than that of an opening of the ball bottle shaped cavity by 4-6 cm and smaller than that of the ball bottle shaped cavity by 4-6 cm, an inflation ball pin hole is formed in the floater, and the floater is filled with water and air so that the floater can half-float on the water seal surface.

The invention discloses a flush toilet and belongs to the field of toilets. The flush toilet comprises a pedestal pan and a water tank assembly connected with the pedestal pan. A sitting ring and a flip cover are arranged on the upper portion of the pedestal pan. A water seal and a drainage tube are arranged on the lower portion of the pedestal pan. An anti-splashing unit is arranged in the pedestal pan, an infrared sensor is arranged on the water tank, and a single-chip microcomputer controller is arranged in the water tank. Drive mechanisms are arranged on the sides of both the sitting ring and the flip cover and comprise servo motors which are controlled by the single-chip microcomputer controller. Compared with the prior art, the flush toilet has the advantages that the toilet can perform sensing automatically to help users opening the flip cover and the sitting ring during toileting, so that threats to human health caused by direct contact of human bodies with bacteria are prevented; besides, excreta can be blocked effectively by the anti-splashing unit, so that splashing during urination or defecation is prevented, and noise can be reduced.

The invention relates to a device for injecting micro-nano bubbles into a toilet tank. The device comprises a hollow cavity, wherein a water inlet pipe is communicated with the hollow cavity, and thelower part of the hollow cavity is communicated with the water inlet pipe through a mixed circulating pipe; the lower part of the hollow cavity is directly communicated with the toilet tank through arelease pipe, and a bubble releaser is arranged on the release pipe; a water feed power mechanism is arranged on the circulating pipe or at the part, located between the circulating pipe and the hollow cavity, of the water inlet pipe; a controllable exhausting mechanism is arranged on the hollow cavity; control valves are arranged on the water inlet pipe, the mixed circulating pipe and the releasepipe. A pump with smaller size and lower power can be adopted, and cost is reduced; concentration of tiny bubbles is increased, and time for preparation of the tiny bubbles is shortened; the tiny bubbles can be well stored in the hollow cavity for a longer time, and loss and energy waste are avoided; a ratio of nano-bubbles is increased, a ratio of micro-bubbles is reduced, and the effects of reducing flushing amount and preventing water splashing and the like are achieved.

The embodiment of the invention discloses a squatting pan of a novel flushing bonding structure, which comprises a container bag and a panel, and the container bag comprises a container bag body, a water inlet, a flushing part and a blow-off pipe; the blow-off pipe is connected with the bottom of the container bag body, and a sewage inlet is formed in the joint; the flushing part comprises a water guide ring and a water guide groove, a water guide cavity is formed in the water guide ring, and water distribution holes are formed in the top of the water guide ring at preset intervals; the water guide groove is connected with the water guide ring; the water inlet is formed in the liner bag body and is communicated with the water guide ring; and the panel covers the top of the container bag body and is provided with a water retaining ring, and the water retaining ring is matched with the water distribution holes and the water guide grooves to form an annular splash-proof flushing channel. The embodiment of the invention further discloses a manufacturing method of the squatting pan. According to the invention, the requirement for mechanical automatic production can be met, and the squatting pan has the water splashing prevention effect while the flushing quality is guaranteed.

The invention belongs to the technical field of potato seedling growth, and discloses a device and a method for hydroponic production of virus-free potato seedlings. The device is provided with a support frame; and a lower layer seedbed is welded to the inner side of the support frame, a plurality of crossbeams are welded to the upper end of the support frame, the upper end of the middle crossbeamis fixedly provided with a motor through bolts, the motor is connected with a power draw rod through a drive wheel, two ends of the power draw rod are connected with support rods through bearings, the upper end of the support frame is fixedly provided with pulleys through bolts, wire ropes are inserted to the outer sides of the pulleys, two ends of the wire ropes are welded to two sides of an upper seedbed, and the middles of the wire ropes are wound around the surface of the power draw rod. The hydroponic production device is provided with the upper seedbed and the lower seedbed, and the motor drives the power draw rod to drive the upper seedbed to move under the wire ropes in order to easily adjust the height of the upper seedbed according to production requirements, so the purposes ofimproving the space utilization rate and the production efficiency are realized without affecting production operations.

The invention discloses a splash-proof structure of a cylindrical rotary mop bucket. The splash-proof structure comprises a bucket body and a splash-proof water retaining ring, wherein the splash-proof water retaining ring is arranged on the bucket body; and the splash-proof water retaining ring comprises arc-shaped stream guidance ribbed plates, bidirectional splash-proof drainage plates in a splayed form and a transverse splash-proof drainage plate. When the mop bucket is used for cleaning and spin-drying, the arc-shaped stream guidance ribbed plates are distributed in the circumferential direction of the upper end of the splash-proof water retaining ring and are inclined inwards the bucket, so that water in the bucket is effectively prevented from splashing due to strong stirring; the bidirectional splash-proof drainage plates in the splayed form and the transverse splash-proof drainage plate are distributed in a staggered mode, so that the drainage port of the splash-proof water retaining ring forms an enclosed structure in a projection direction to prevent the water in the bucket from splashing out of the bucket; and meanwhile, diversion drainage is achieved when the water is poured, so that the water is completely poured out of the bucket. The splash-proof structure disclosed by the invention has the advantages of simple structure, convenient and practical use, low cost and significant splash-proof effect. The invention also discloses a splash-proof method of the cylindrical rotary mop bucket.