59results about How to "Easy to replace by yourself" patented technology

The invention discloses a modular frame down lamp. The modular frame down lamp is composed of an embedded part, an intermediate part, a lamp body and a face cover, wherein the intermediate part is mounted in the embedded part; the lamp body is mounted in the intermediate part, and a fixed connecting structure is arranged between the lamp body and the intermediate part or between the lamp body and the embedded part; and the face cover is movably connected to the lower end of the intermediate part or the lower end of the lamp body, the embedded part is fixed to a ceiling in advance during decoration, the intermediate part is clamped in the embedded part after wiring, then the lamp body is mounted in the intermediate part, and finally the face cover is mounted on the lamp body. After lamplight of the down lamp becomes dim or the down lamp is damaged, a user can replace the lamp body or the face cover by himself / herself extremely conveniently since re-wiring is not needed, the embedded part and the intermediate part which are mounted on the ceiling do not needed to be replaced, and edge breakage or stains around a mounting hole are avoided; and compared with a whole lamp replacing way in the prior art, the purchasing cost and construction cost for lamp replacement can be reduced for the user.

The invention discloses a water purifier capable of automatically sealing water. The water purifier comprises a filter bottle cover, a filter bottle and a connection part, wherein the lower end of the filter bottle cover is connected with the connection part; a filtered water inlet and a filtered water outlet are formed in the middle of the filter bottle cover; a self-sealing water discharging valve is arranged inside the filtrated water outlet and comprises a valve element and a valve seat; a cone body is arranged at the bottom end of the valve element; a conical opening matched with the cone body at the bottom end of the valve element is arranged at the lower end of the valve seat; a self-sealing water charging valve is arranged inside the filtered water inlet and is provided with a water sealing pin; a circular platform is arranged at the upper end of the water sealing pin; a thin and long pin column is arranged at the lower end of the water sealing pin; water charging grooves which are axially distributed are formed in the pin column. According to the water purifier, the water of a water discharging interface vertically runs from the top of a valve cover into a water collection cavity, is pressed down and is matched with a first spring for locking and sealing the valve element and the valve seat, so that the discharged water is automatically sealed; by virtue of the elasticity of a second spring and water pressure of the water inlet, the water sealing pin and the water inlet get close to each other, so that the charged water is automatically sealed.

The invention discloses an office table with an air purifying function. The office table is internally provided with an air purifying unit, a middle drawer, multiple side portion drawers, a side portion door cabinet and drawer fixing frames. The drawer fixing frames are fixed to the left side and the right side below the tabletop of the office table and located at the corresponding positions on an inner side plate of the side portion drawers and an inner side plate of the side portion door cabinet. The middle drawer is arranged on the drawer fixing frames to be drawn and slide. The part, located below the tabletop of the office table, of the rear wall of the middle drawer is separated from the rear wall of the office table. The air purifying unit is arranged between the rear wall of the middle drawer and the rear wall of the office table and is adjacent to the inner side plate wall of the side portion drawers and the inner side plate wall of the side portion door cabinet. An air flue of the air purifying unit is sequentially provided with an air inlet, a filtering net, a filtering element, a fan and an air outlet in the airflow moving direction, wherein the air inlet is located in the rear wall of an office table body, the air outlet is formed in the tabletop of the office table, and the air outlet is provided with a cover plate. The air purifying unit is integrated on the premise that the original attractiveness of the office table is not affected, demounting, mounting and maintaining are easy, the noise is low, and air in the office environment can be fresh.

The invention discloses a multilayer disposable mobile phone screen film, which is in a rectangular shape, composed of at least three substrate layers and an isolation layer adhered to one side of the substrate layers and peeled before use. Edges of the substrate layers and the isolation layer both extend out of an easy peelable portion. After the isolation layers are peeled, the substrate adhered with the isolation layer is adhere onto a mobile phone screen through electrostatic adsorption. The invention is simple in structure, low in cost and high in transparency, can be adhered onto the mobile phone screen through electrostatic adsorption, will not deteriorate after a long time, will not leave a corrosive adhesive on the surface of the screen as other films do, and is safe and reliable; the outermost substrate layer is simply peeled directly when being damaged; and thus the replacement of a mobile phone screen film is facilitated for users.

The invention discloses a modular frameless down lamp which consists of an embedded part, middleware and a lamp body; the middleware is connected with the embedded part; the lamp body is mounted in the middleware; a connecting and fixing structure is arranged between the lamp body and the middleware or the embedded part; the embedded part is fixed to a ceiling in advance during decoration; the middleware is clamped in the embedded part after wiring; and the lamp body is mounted in the middleware finally. When lamplight becomes dark or the lamp body is damaged, because no rewiring is required, a user can replace the lamp body conveniently and voluntarily, the embedded part and the middleware that are mounted at the ceiling are not required to be replaced, and no broken edge or stain appear around a mounting hole, Compared with a whole lamp replacement mode in the prior art, the purchasing cost and construction cost due to lamp replacement of a user can be reduced.

The invention discloses a bracing wire type hanging and folding screen for tests and belongs to the field of test room analyzing tools. The bracing wire type hanging and folding screen for tests comprises a screen cavity combined body, a screen box and a bracing wire mechanism. The screen cavity combined body comprises an upper static cavity, an upper swinging screen cavity, a shaking screen cavity, a lower swinging screen cavity and a lower static cavity. The double side faces of each screen cavity of the screen cavity combined body are provided with screen frames and screen nets. When the screen cavities of the screen cavity combined body are pulled left and right, variable-angle turning can be achieved, and the screen cavity combined body is fixed in the screen box. The bracing wire mechanism is used for controlling all the screen cavities in the screen box to shake from the outside of the screen box, so that the screen faces of all the screen cavities face upwards and face downwards alternately. When the bracing wire type hanging and folding screen is used for wet type screening, left and right alternate pulling is used for overturning pulp layers in the screen cavities, and the screen box is overturned vertically to improve the penetrating screening efficiency. The test tool has the beneficial effects of being free of power supply, capable achieving clean manual screening and capable of facilitating feeding and taking.

The invention provides an adjustable purifier filtering device and a use method thereof, belonging to the field of air purifiers. According to the adjustable purifier filtering device, the problem that an existing air purifier filtering device cannot be conveniently replaced by a user is solved. The adjustable purifier filtering device comprises a connecting ring, an inner support ring, an outer support ring, a plurality of baffles, a plurality of fixing rods, an adjusting frame, an adjusting sleeve, a plurality of transverse adjusting rods and filtering paper, wherein the top ends of the baffles are fixed together with the bottom surface of the outer support ring, and the bottom ends of the baffles are fixed together with the top surface of the connecting ring; upper guiding seats are fixed at the top ends of the fixing rods, lower guiding seats are fixed at the bottom ends of the fixing rods, the upper guiding seats are fixed on the bottom surface of the inner support ring, and the lower guiding seats are fixed on the top surface of the connecting ring; the adjusting frame comprises an upper guiding rod, a lower guiding rod, a baffling rod and a vertical adjusting rod which are sequentially connected, and a limiting rod is arranged on the vertical adjusting rod; and one ends of the transverse adjusting rods are connected with the outer wall of the adjusting sleeve, and limiting sleeves are fixed at the other ends of the transverse adjusting rods. According to the adjustable purifier filtering device, the filtering paper can be conveniently replaced by the user.

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 the field of water treatment, in particular to the depth-type filtration and purification of drinking water. The invention discloses a water draining method for a filtering element of a water purifier. A base with a water inlet pipeline and a water outlet pipeline is positioned at the bottom of the machine; the filtering element is inverted on the base; a water inlet and a water outlet of the filtering element are correspondingly communicated with the water inlet pipeline and the water outlet pipeline of the base to form a filtering channel; a draining channel for draining water in the filtering element and a draining device for controlling the on-off of the draining channel are arranged on the base; the draining device conducts the draining channel connected with the filtering channel when the water inlet pipeline of the base is in a closed state; and water in the filtering element is drained by gravity through the draining channel. The invention has the following advantages that the filtering element is clean and sanitary without pollution in the replacement process, and can be replaced by users conveniently, and the product has high grade.

The invention relates to a work operation table for furniture design. The work operation table for furniture design comprises a base, wherein a rectangular frame is arranged on the upper part of the base; two ends of the rectangular frame are fixedly connected with the base through side plates; a cross rail is fixedly arranged on an inner ring of the rectangular frame; a first slide block with power is arranged on the inner side of the cross rail in a matching way; a vertical first hydraulic rod is arranged on the upper part of the base; the side part of the upper end of a fixed rod of the first hydraulic rod is fixedly connected with the first slide block through a horizontal second hydraulic rod; a motor is fixedly arranged at the lower end of a movable rod of the first hydraulic rod; anoutput shaft of the motor faces down; the lower end of the output shaft of the motor is connected with the upper end of a first rotary shaft through a universal coupler; a sleeve pipe is arranged onthe first rotary shaft through a bearing in a sleeving way; a first annular plate is fixedly arranged at the lower end of an output shaft of the first hydraulic rod in a sleeving way; and a second annular plate is fixedly arranged at the upper end of the sleeve pipe in a sleeving way. The work operation table for furniture design provided by the invention is simple in structure, low in cost, and capable of conveniently self-replacing carve heads with different tool bit models and quickly carving a designed plane or space pattern of a furniture panel under the control of a controller.

The invention discloses a brake safety protection system for a new energy automobile, relates to the technical field of new energy automobiles, and aims to solve the problems that the internal structure of a brake device is not protected under the emergency brake condition of the automobile, and the like. The brake safety protection system comprises a first box body, a brake plate and a wheel axle, partition plates are welded to the inner walls of the two sides of the first box body, and the top of each partition plate is fixedly connected with a second box body through bolts. The braking purpose can be achieved through the brake plate, the internal structure of the second box body can be emergently cooled when an automobile is emergently braked, the brake plate can be conveniently disassembled and assembled, an operator can conveniently replace the brake plate by himself, the safety of the operator is guaranteed to a certain degree, car accidents are reduced, damage to some parts of the vehicle in the emergency braking process is avoided, and spontaneous combustion of the vehicle due to the fact that the temperature is too high after emergency braking can be prevented.

The invention discloses fully-removable ice skates, comprising metal skate bodies, front ends of uppers, metal pedestals and puttee frames. The front ends of the uppers are arranged at the front ends of the metal skate bodies; the puttee frames are arranged at the rear ends of the metal skate bodies; the metal pedestals are fixed at the bottoms of the metal skate bodies; removable structures are designed between the front ends of the uppers, the puttee frames, the metal pedestals and the metal skate bodies respectively. Adapting the integral improvement, the metal skate bodies and the metal pedestals are adopted in the ice skates, and the fully-removable structures are designed between the front ends of the uppers, puttee frames, the metal pedestals and the metal skate bodies. Therefore, a user can replace conveniently by oneself without professional tools and professional knowledge when the ice skates are disassembled, and the replacing operation is simple, convenient and rapid; furthermore, when the components are out of action, the user can replace by oneself, so as to prolong the whole service life of the ice skates; people can also escalate ice-skating playing sports through replacing further fittings according various different ice-skating playing sports; in addition, because the components are replaced conveniently, the ice skate user can satisfy the use demands of different groups through replacing the components.

The invention discloses an integrated water purifying general assembly which comprises a casing; the casing comprises a front-part filtering area, a middle-part filtering area and a rear-part filtering area, wherein the front-part filtering area comprises three filter cylinders and three filter cylinder silos, the filter cylinders are arranged in the filter cylinder silos, and filter cylinder quick connectors are arranged at the bottoms of the filter cylinder silos to be convenient for a user to replace the filter cylinders; the middle-part filtering area comprises a plurality of groups of superposed RO membrane filter cylinders, and the number of the RO membrane filter cylinders can be increased and decreased according to the water consumption of the user; an ultraviolet sterilization device and an instant heating type heating device are arranged in the rear-part filtering area; a cover-shaped nut, a hexangular elbow joint and a double-headed screw rod are adopted for fastening and sealing the RO membrane filter cylinders to be convenient for the user to replace filter elements; the whole water purifying equipment is compact in structure and good in water purifying effect, a connecting structure among the filter cylinders is simplified, the use cost of the user is reduced, and instant heating can be performed to quickly provide hot water for the user.

The invention relates to a display card module comprising a circuit board, a radiator, a pedestal and at least a first fan assembly; the radiator is arranged on the circuit board; the pedestal is arranged on the radiator; the pedestal is provided with at least a containing groove; the first fan assembly is detachably arranged in the containing groove of the pedestal in a fixing method, and is electrically connected with the circuit board; the fixing method can employ a hook-card slot, clamp piece-slot, and a slide piece-slide groove mode; therefore, the fan device can fast and conveniently self-replace the fan assembly, thereby improving fan assembling convenience of the display card module.

The invention provides a magnetic connecting structure of a motorcycle helmet air window. The magnetic connecting structure is characterized in that an air window is fixed on a helmet shell to form the vent channel of the motorcycle helmet; the connecting structure comprises magnetic devices which are respectively fixed on the air window and the helmet shell and are mutually attracted and fixed by magnetic force; and the magnetic device can be a magnet or a combination of the magnet and a metal sheet. The connecting structure provided by the invention is not only simple in structure and convenient for popularization, but also is convenient for a user to replace a damaged air window by self while providing enough connecting strength, therefore, the service life of the helmet is prolonged, and the money of a consumer is saved.

The invention relates to the water treatment industry, in particular to advanced purification of drinking water. The invention discloses a drainage method for assembling and disassembling a filter element of a backwashing water purifier. The backwashing water purifier is equipped with a water inlet pipeline, a water outlet pipeline, a drainage pipeline and a waterway switcher, wherein, the water inlet pipeline is equipped with a water inlet valve; a drainage port of the waterway switcher is connected with the drainage pipeline, a water inlet of the waterway switcher is connected with the water inlet pipeline, a water outlet of the waterway switcher is connected with the water outlet pipeline, and the water outlet and the drainage port are alternatively opened; a controlled water inlet and a controlled water outlet of the waterway switcher are respectively butted with the water inlet and the water outlet and connected with the water inlet pipeline and the water outlet pipeline of the filter element to form a filtering channel; when the waterway switcher is located in a backwashing switching position, the controlled water inlet and the controlled water outlet of the waterway switcher are respectively butted with the drainage port and the water inlet to form a backwashing channel of the filter element; when the water inlet valve is opened, water entering the backwashing water purifier is discharged from the drainage pipeline; and when the water inlet valve is closed, water in the backwashing water purifier is discharged from the drainage pipeline in a gravity drop manner. The drainage method of the invention has the advantages of clean, sanitary and pollution-free filter element replacing process, and high-grade products.

The invention discloses detachable unit of electric connector suitable to device for reading / writing intelligent card. The unit of electric connector includes following parts: an electric connector in use for interface of intelligent card; a connecting piece suitable to connect device for reading / writing intelligent card in detachable mode, the connecting piece connects the electric connector with circuits and electronic components in device for reading / writing intelligent card electrically; device for reading / writing intelligent card including the said detachable unit of electric connector. Comparing with traditional card connector, which is fixed on PCB through soldering, the invented card connector through detachable connecting piece is connected to PCB. Thus, common user can replace damaged electric connector by own.

The invention discloses fully-removable ice skates, comprising metal skate bodies, front ends of uppers, metal pedestals and puttee frames. The front ends of the uppers are arranged at the front ends of the metal skate bodies; the puttee frames are arranged at the rear ends of the metal skate bodies; the metal pedestals are fixed at the bottoms of the metal skate bodies; removable structures are designed between the front ends of the uppers, the puttee frames, the metal pedestals and the metal skate bodies respectively. Adapting the integral improvement, the metal skate bodies and the metal pedestals are adopted in the ice skates, and the fully-removable structures are designed between the front ends of the uppers, puttee frames, the metal pedestals and the metal skate bodies. Therefore, a user can replace conveniently by oneself without professional tools and professional knowledge when the ice skates are disassembled, and the replacing operation is simple, convenient and rapid; furthermore, when the components are out of action, the user can replace by oneself, so as to prolong the whole service life of the ice skates; people can also escalate ice-skating playing sports through replacing further fittings according various different ice-skating playing sports; in addition, because the components are replaced conveniently, the ice skate user can satisfy the use demands of different groups through replacing the components.

The invention discloses a solid package LED cold light source. The solid package LED cold light source comprises a package bottom shell, an integrated optical source chip, a driving circuit board andan electric power conductor. The package bottom shell comprises bottom shell side walls and a bottom shell bottom wall. The bottom shell bottom wall is located at the lower ends of the bottom shell side walls. The integrated optical source chip covers the upper ends of the bottom shell side walls. The bottom shell bottom wall is provided with a conductor lead-out hole allowing the electric power conductor to penetrate through. The driving circuit board is arranged in the package bottom shell. The package bottom shell is filled with a waterproof heat conducting pouring sealant. The solid package LED cold light source provided by the invention has high water resistance and can be applicable to various outdoor occasions with high water resistant requirement.

The invention relates to the technical field of air purification, in particular to a wall mounting type air conditioner with an air purification function. The wall mounting type air conditioner with the air purification function aims to solve the problem that an existing air purifier occupies an indoor space and is also expensive. According to the provided wall mounting type air conditioner with the air purification function, a filter screen is arranged at an air outlet of an indoor unit of the wall mounting type air conditioner to be used for filtering air blown out from the air outlet, wherein the type of the filter screen can be selected according to the actual needs of a user, and a common sealing design is adopted at the air outlet so as to prevent the situation that the air escapes from the side of the filter screen, and then the filtering effect is reduced; in addition, the filter screen adopts a pluggable arrangement mode so that the user can conveniently change the filter screen independently; and in the case of the wall mounting type air conditioner with the air purification function, under the condition that only a small amount of cost is increased, the common wall mounting type air conditioner is enabled to be additionally provided with the air purification function, and the occupation to the indoor space is saved.

The invention discloses a sheet ironing machine with combined installation of head assembly modules, which comprises a material belt delivery device, a machine head assembly assembly and a punching needle buffer mechanism, and the material belt delivery device includes a material belt discharge mechanism and a material belt conveying failure alarm mechanism , the head assembly assembly includes at least two head assembly modules arranged side by side, and at least two head assembly modules are detachably connected as a whole through fasteners; correspondingly, a punching needle is arranged below each head assembly module buffer mechanism. The head assembly module of the present invention adopts a modular design, and the combination mode will be very diverse. The punch buffer mechanism can change the adjustment of the surface to the adjustment of the point in a small range, saving man-hours and improving efficiency.

The invention discloses a transfer imprinting machine with machine head components modularly installed in combination. The transfer imprinting machine comprises a material belt releasing device, a machine head component assembly and a punching needle buffering mechanism, the material belt releasing device comprises a material belt releasing mechanism and a material belt conveying fault alarm mechanism, the machine head component assembly comprises the at least two machine head component modules arranged side by side, the at least two machine head component modules are detachably connected intoa whole through fasteners; and the punching needle buffering mechanism is correspondingly arranged below each machine head component module. According to the transfer imprinting machine with the machine head components modularly installed in combination, modular design is adopted in the machine head component modules, the combination mode is very diversified, the punching needle buffering mechanism can change face adjustment into point adjustment within a small range, the working hours are saved, and the efficiency is improved.

The large-flux suction head filter element comprises a filter element upper seat, a first clamping groove is formed in the middle of the bottom of the filter element upper seat, mounting grooves are formed in the two sides of the inner wall of the first clamping groove, gaskets are arranged on the inner walls of the two mounting grooves in a clamped mode, and connecting shafts are fixedly arranged in the middles of one sides of the two gaskets; a first thread groove is formed in the edge of the top end of the filter element upper seat. According to the large-flux suction head filter element, the clamping ring at the upper end of the elastic pipe is clamped through the first clamping groove in the bottom of the filter element upper seat, and the clamping buckle is locked in cooperation with the mounting groove in the upper end of the clamping ring, so that the whole device is mounted; and the connecting shafts on the two sides of the filter element upper seat are pressed to extrude the buckles in the mounting grooves to be separated under the action of the buffer springs, so that the clamping rings can be pulled out of the first clamping grooves, the elastic pipes are detached for cleaning and replacement, a user can conveniently replace the filter element by himself, and the practicability of the device is improved.

The invention relates to a trimmer tool head for trimming vibrissa and tragi. The trimmer tool head for trimming vibrissa and tragi comprises a movable tool, a fixed tool and a connecting rod. One endof the connecting rod is detachably connected to the movable tool while the other end of the connecting rod is detachably connected to a transmission element; the fixed tool coats one ends of the movable tool and the connecting rod, and the movable tool driven by the transmission element moves in sliding contact with the inner side face of the fixed tool to cut hairs. The trimmer tool head has the beneficial effects that by means of an integrated buckling design of the tool head and the connecting rod, a consumer can replace the tool head automatically and also can prevent vibrissa from beingaccumulated as a result of halfway cleaning, so that the cleanliness and the comfort level are improved; and the trimmer tool head is simple in structure, good in using effect and easy to popularizeand use.

The invention discloses a braking safety protection system for a new energy vehicle, which relates to the technical field of new energy vehicles. Aiming at the problem that the vehicle does not protect the internal structure of the braking device under emergency braking, the following scheme is proposed, including the first The box body, the brake plate, and the wheel axle, the inner walls of both sides of the first box body are welded with partitions, and the top of the partition board is fixedly connected with the second box body by bolts. The present invention can achieve the purpose of braking through the brake plate, can quickly cool down the internal structure of the second box when the car is in emergency braking, can facilitate the disassembly and installation of the brake plate, and is convenient for the operator to replace by himself. The safety of the vehicle is guaranteed to a certain extent, which reduces the occurrence of car accidents, avoids the damage of some parts of the vehicle during emergency braking, and prevents the spontaneous combustion of vehicles due to excessive temperature after emergency braking.

Provided is a surgical instrument (1), in particular a surgical milling or drilling instrument, comprising an instrument shank (2) having an effector (4) at its distal end portion and a coupling structure (6) at its proximal end portion. The coupling structure is designed to be selectively coupled, is axially fixedly and for conjoint rotation, to a drive received in a housing, preferably a handpiece, in order to thereby transmit a rotation of the drive to the instrument shank (2), so that at least one rotary bearing (8) for rotatably supporting the instrument shank (2) on the housing, preferably handpiece, is located between the instrument shank (2) and the housing, preferably handpiece. The rotary bearing (8) and the instrument shank (2) are combined in a unit which, for coupling to the drive can be introduced into the housing, and for uncoupling from the drive can be withdrawn from the housing, as a single unit.

The invention relates to a color discrimination band buckle-type all-cotton nonwoven cloth tracheal cushion which comprises a tracheal cushion body, color discrimination bands and a waterproof thin film. A bayonet is formed in the middle of side ports at the upper end of the tracheal cushion body, each side port of the bayonet is connected with one color discrimination band, and the waterproof thin film is embedded in the middle of the tracheal cushion body. The tracheal cushion has the advantages that contamination of skin and wound caused by sputum due to the fact that the sputum permeates adressing of the tracheal cushion can be avoided, dryness of the skin around a tracheal incision can be maintained, and probability of breeding of bacteria and redness, rash and infection of local skin is reduced; the number of times of replacing the tracheal cushion is reduced; discomfort of a patient when the tracheal cushion is replaced is relieved; texture of the color discrimination bands isdifferent from that of a tracheal tube lace; prolapsed of a tracheal tube caused by mistaken cutting during band cutting is avoided; discomfort caused by multiple neck back fixing knots when the patient is in a supine position is relieved; convenience is brought to the patient to replace the tracheal cushion by him / herself; by designing the waterproof thin film, moisture is prevented from permeating into the skin of the patient, so that the patient feels dry and comfortable.

The invention discloses a handheld shower head which comprises a tubular body. The lower end of the body is provided with a water inlet. A water outlet is formed in the upper end of the body. The handheld shower head is characterized in that the body is located at the water outlet and covered with an end cover, an elastomer is arranged above the end cover, an inner cavity is arranged inside the elastomer, the elastomer and the end cover are fixed, a water through hole is formed in the end cover, the body is communicated with the inner cavity of the elastomer through the water through hole in the end cover, a plurality of water outlets are evenly distributed in the side wall of the elastomer, and when the water pressure of the inner cavity of the elastomer is increased to be larger than the external barometric pressure, the water outlet is expanded along with the elastomer till the water outlet is communicated with an inner cavity of the elastomer so that water inside the elastomer can be drained out of the elastomer through the water outlet. According to the handheld shower head, the shower head will not be broken when knocked on a wall freely, so that the service life long, the fault rate is low, and meanwhile hands can be washed while a user takes a shower.