CN111920324A - Soap dispenser - Google Patents

Abstract

The invention provides a soap dispenser, which comprises a liquid storage bottle, an inductor and a liquid outlet mechanism, wherein the liquid outlet mechanism comprises a pump head component, the pump head component comprises a screw cap, a liquid guide pipe, a hollow plunger, a sealing ball, a first spring, a piston and a liquid outlet nozzle, the liquid outlet mechanism also comprises a suck-back device and a driving device, the suck-back device comprises a fixed frame which is screwed outside the screw cap, a gland which is inserted on the fixed frame, a latex ball which is arranged between the gland and the fixed frame, and a liquid suction pipe and a liquid return pipe which are communicated with the latex ball, the driving device comprises a shell matched with the fixing frame in a buckling mode, a driving motor arranged in the shell, a driving shaft in transmission connection with the driving motor, a sliding block in threaded connection with the driving shaft and a push rod fixedly connected with the sliding block, the bottom end of the push rod abuts against the top of the gland, and a light guide assembly is arranged at the front end of the sensor. The invention can prevent the soap liquid from flowing out of the liquid outlet nozzle after the use of a user, thereby saving the use of the soap liquid.

Description

Soap dispenser

Technical Field

The invention relates to the technical field of bathroom products, in particular to a soap dispenser.

Background

Along with the gradual improvement of living standard of people, soap dispensers are increasingly applied to toilets; in the existing foam soap dispenser, a liquid storage bottle is usually arranged, and the liquid storage bottle is usually designed in two ways, namely, the bottle mouth is upward, and a suction pipe extending into the bottle is used for pumping soap liquid; secondly, a liquid outlet hole is arranged at the bottom of the liquid storage bottle and fixedly connected with the soap dispenser; however, when the first design is adopted, the soap liquid is often left in the liquid outlet after being extracted, the soap liquid is easy to flow out and drip on the hand washing table, the soap liquid is wasted, the hand washing table is dirty and messy, the soap liquid is often required to be managed, and the workload is increased. The light in the inductor of the prior soap dispenser is easy to diffuse to other places, and the induction signal at the outlet is weak, so that the induction of the inductor is unstable, the triggering is not sensitive, and the inconvenience is brought to users.

Disclosure of Invention

In view of the above problems, the present invention is directed to a soap dispenser that can prevent soap from flowing out of a liquid outlet after a user uses the soap dispenser, and has a sensitive response.

Aiming at the problems, the following technical scheme is provided: the liquid soap dispenser comprises a liquid storage bottle, an inductor and a liquid outlet mechanism, wherein the liquid outlet mechanism comprises a pump head assembly, the pump head assembly comprises a screw cap, a liquid guide pipe, a hollow plunger, a sealing ball, a first spring, a piston and a liquid outlet nozzle, the top end of the liquid guide pipe is clamped with the screw cap, the screw cap is in threaded connection with the bottle mouth of the liquid storage bottle, a liquid storage cavity and a liquid inlet cavity which are arranged up and down are arranged in the liquid guide pipe, the sealing ball is used for communicating or cutting off the liquid storage cavity and the liquid inlet cavity, the piston is sleeved on the hollow plunger and located in the liquid storage cavity, two ends of the first spring are respectively abutted against the bottom end and the bottom wall of the liquid storage cavity, the top end of the hollow plunger penetrates through the screw cap, the liquid outlet nozzle is communicated with the hollow plunger, the liquid outlet mechanism further comprises a suck-back device and a, The latex ball suction pipe and liquid return pipe that insert and locate on the fixed mount, there are holding cavities used for placing the said latex ball in the said gland, there are concrete chutes on the sidewall of the said fixed mount, there are actuating levers that are matched with concrete chutes on the outer peripheral wall of the said hollow plunger, the said liquid outlet nozzle passes the concrete chute arrangement, and locate under actuating lever, there are pressure levers matched with concrete chute and corresponding to actuating lever on the bottom of the said gland, there are spacing mouths corresponding to liquid suction pipe and liquid return pipe on the outer peripheral wall of the said gland, the said gland can be displaced up and down relative to the fixed mount, the said liquid suction pipe communicates with the liquid outlet nozzle, the said screw cap and top of the catheter are equipped with the mounting hole used for the liquid return pipe to communicate with the liquid storage bottle, the said liquid suction pipe and liquid return pipe are connected with the check valve, the check valve, the driving device comprises a shell matched with the fixed frame in a buckling mode, a driving motor arranged in the shell, a driving shaft in transmission connection with the driving motor, a sliding block in threaded connection with the driving shaft and a push rod fixedly connected with the sliding block, the bottom end of the push rod is abutted to the top of the gland, the inductor is positioned on one side of the bottom end of the shell, which faces the liquid outlet nozzle, the front end of the inductor is provided with a light guide assembly, the light guide assembly comprises a fixed pipe, a light guide body and a sealing cover, the fixed pipe is sleeved outside the inductor, the top end of the fixed pipe is provided with an opening, the light guide body is arranged in the fixed pipe and is positioned at the front end of the inductor, the sealing cover is in threaded connection with the inner end of the fixed pipe, the inductor is fixedly connected with the sealing cover, the middle section of the light guide body is inwards sunken and bent to form a cavity with, the top of the light scattering part is spherical, and a through hole is horizontally formed in the light scattering part.

In the structure, when the user uses the electric hand-operated hand, the slide block drives the push rod to move downwards, the push rod presses the gland to move towards the fixed frame, the latex ball is compressed, the gas in the latex ball enters the liquid storage bottle through the one-way valve at the liquid return pipe, the gland is continuously pressed, the press rod is abutted against the drive rod to push the drive rod to move downwards, thereby leading the hollow plunger piston to displace downwards relative to the piston, leading the first spring to be in a compressed state, leading the sealing ball to float upwards, leading the liquid storage cavity to be communicated with the liquid inlet cavity, leading the soap liquid in the liquid storage bottle to flow into the liquid storage cavity through the liquid inlet cavity, after entering the inner cavity of the hollow plunger through the liquid inlet hole on the hollow plunger, the liquid flows out of the liquid outlet nozzle, and when the gland is pressed down to the maximum stroke, the limiting plate on the hollow plunger is abutted against the top of the piston; when the push rod arrived the biggest stroke, the driving motor reversal, make the slider drive the push rod and reset, thereby the gland can upwards the displacement reset, the emulsion ball admits air through the check valve of pipette department, and inhale to the emulsion ball in with unnecessary soap lye in the liquid outlet, thereby can avoid remaining soap lye drippage in the liquid outlet on the wash platform, the emulsion ball recovers rapidly after admitting air, and push up the gland, upwards push up hollow plunger to resetting through the elastic force of first spring, make the stock solution chamber unable be linked together with hollow plunger's inner chamber, the ball sealer resets, cut off the intercommunication in stock solution chamber and feed liquor chamber. Can absorb the back to the latex ball in the liquid suction pipe with the soap lye of liquid outlet nozzle through setting up the resorption device in, circulate to the stock solution bottle through returning the liquid pipe to can improve the rate of utilization of soap lye, avoid dripping extravagant on the wash platform, and make the wash platform clean and tidy more, reduce work load. The latex ball is pressed, so that the air pressure in the liquid storage cavity is increased, the speed of soap liquid flowing into the liquid inlet cavity is increased, the liquid outlet efficiency of the soap dispenser is improved, and the reliability of the soap dispenser is improved. The latex ball can be conveniently and fixedly supported by the fixing frame, and the fixing frame can be matched with the gland to facilitate the up-and-down displacement of the gland, so that the reliability of the invention is improved. The liquid return pipe is fixed by arranging the mounting hole and is communicated with the inner cavity of the liquid storage bottle, and the liquid return pipe can be mounted on other bottle bodies after the liquid outlet mechanism is detached from the liquid storage bottle by a user, so that the application range of the liquid return pipe is expanded. The infrared lamp of the inductor emits light which is transmitted to the outside through the light guide body, so that the accuracy and the induction stability of the inductor can be improved, and the reliability of the invention is improved. The light scattering part is arranged to be spherical, so that light can be scattered to the outside uniformly, the stability of the inductor for inducing the hand of a human body is improved, and the reliability of the light guide assembly is improved. The light-gathering part can prevent the light of the inductor from being emitted to other places, so that the induction intensity of the light is increased, and the induction stability of the invention is improved. The middle section of the light guide body is inwards sunken to form a cavity with the inner wall of the fixed pipe, so that the material cost can be saved, and the light condensing part can condense the light of the inductor and then radiate the light through the light radiating part, so that the reliability of the LED lamp is improved. Through the fixed light conductor of fixed pipe, can increase its stability to light guide component's fastness has been increased. The fixing tube is arranged in a horn shape, so that the connection strength of the fixing tube and the light guide body can be increased, the stability of the light guide body is increased, and the reliability of the light guide body is improved. Through setting up the material that the through-hole can practice thrift the light conductor, and can avoid the light of inductor to penetrate directly to the light conductor top and lead to light scattering to go out inhomogeneous condition to practice thrift the cost and optimized the light effect, improved the response effect of inductor. The elastic filler is arranged, so that the connection tightness between the light guide body and the fixed pipe can be improved, the light effect of the inductor is prevented from being influenced by the shaking of the light guide body, and the stress intensity of the sensor is improved.

The invention is further arranged in that a sensor is arranged below the driving rod in the chute.

By adopting the structure, when the driving rod is displaced to be abutted against the sensor, the sensor controls the driving motor to rotate reversely, so that the driving rod can be displaced upwards, the controllability of the driving motor is improved, and the reliability of the invention is improved.

The invention is further provided that the drive rods are symmetrically provided with two groups relative to the central axis of the hollow plunger.

By adopting the structure, the stability of the hollow plunger when the driving rod is pushed by the pressing rod and the hollow plunger is displaced can be improved, and the reliability of the invention is improved.

The liquid outlet nozzle further comprises a straight pipe communicated with the hollow plunger and an elbow pipe connected with the straight pipe, the elbow pipe is arranged in a downward inclination mode relative to the straight pipe, and the liquid suction pipe is communicated with the elbow pipe.

In the structure, the bent pipe is arranged to facilitate liquid discharge, so that the convenience of the invention is improved. The liquid suction pipe is communicated with the bent pipe, so that the soap liquid can flow out conveniently when a user uses the soap liquid device, and the soap liquid is prevented from flowing out to the hand washing table when the user uses the soap liquid device, and the reliability of the hand washing table is improved.

The invention is further provided that the top of the fixing frame is provided with a limiting groove, and the bottom of the gland is provided with a limiting block matched with the limiting groove.

By adopting the structure, the positioning and installation of the gland and the fixing frame can be facilitated, and the gland can be conveniently displaced up and down relative to the fixing frame, so that the reliability of the invention is improved.

The invention is further provided that the bottom of the hollow plunger is provided with a blocking block, and the bottom of the blocking block is provided with a clamping groove for fixing the first spring.

Adopt above-mentioned structure, can improve the stability of first spring to pump head assembly's reliability has been improved.

The invention is further provided that a sealing groove is arranged at the joint of the hollow plunger and the screw cap, a sealing gasket is arranged in the sealing groove, and a sealing gland is arranged on the sealing gasket.

In the structure, the sealing performance between the hollow plunger and the screw cap can be improved by arranging the sealing gasket, so that the sealing performance of the invention is improved. The sealing gland can improve the stability and the reliability of the sealing gasket, thereby further improving the sealing property of the invention.

The invention is further arranged in that a fixed column which is abutted against the sealing gland is arranged in the fixed frame, a positioning hole which is matched with the hollow plunger is formed in the bottom end of the fixed column, and an open slot which corresponds to the driving rod is formed in the outer circumferential wall of the fixed column.

By adopting the structure, the stability of the hollow plunger during displacement can be improved, the hollow plunger can be conveniently positioned and installed, the compactness of the sealing gasket can be further improved through the fixing column, and the reliability of the sealing gasket is improved.

The check valve further comprises a valve body and a valve cover in threaded connection with the valve body, a valve cavity is arranged in the valve body, and a second spring and a ball body which is abutted against the second spring and is in matched sealing with the inner end of the valve cover are arranged in the valve cavity.

By adopting the structure, redundant soap liquid in the liquid outlet nozzle can be conveniently sucked back into the liquid storage barrel, and the reliability of the liquid storage barrel is improved.

The invention is further provided with a U-shaped observation port on the side wall of the liquid storage bottle.

By adopting the structure, the surplus of the soap liquid in the liquid storage bottle can be visually observed, so that the soap liquid can be conveniently added by a user, and the reliability of the soap liquid bottle is improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic cross-sectional structure of the present invention.

Fig. 3 is an enlarged view of a structure at a in fig. 2.

Fig. 4 is a schematic structural diagram of a light guide assembly according to the present invention.

The reference numbers in the figures mean: 1-liquid storage bottle; 2-a sensor; 3-a liquid outlet mechanism; 31-a pump head assembly; 311-screw cap; 312-a catheter; 313-a hollow plunger; 314-a sealing ball; 315-a first spring; 316-a piston; 317-liquid outlet nozzle; 3121-a reservoir chamber; 3122-a liquid inlet chamber; 32-a suck-back device; 33-a drive device; 321-a fixing frame; 322-a gland; 323-latex ball; 324-a pipette; 325-liquid return pipe; 3221-an accommodating chamber; 3211-chute; 3131 — a drive rod; 3222-a pressure bar; 3223-a spacing port; 4-mounting holes; 5-a one-way valve; 331-a housing; 332-a drive motor; 333-a drive shaft; 334-a slider; 335-a push rod; 6-a sensor; 3171-straight tube; 3172-bending the tube; 3212-a limit groove; 3224-a stop block; 3132-a barrier; 31321-a card slot; 3133-a sealing groove; 7-a sealing gasket; 71-a sealing gland; 3213-fixing column; 32131-positioning holes; 32132-open slot; 51-a valve body; 52-valve cover; 511-valve cavity; 53-a second spring; 54-a sphere; an 8-U-shaped observation port; 9-a light guide assembly; 91-a fixed tube; 92-a light guide; 93-sealing cover; 921-elastic filler; 922-a light scattering part; 923-a light-gathering part; 9221-through hole.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, a soap dispenser comprises a liquid storage bottle 1, an inductor 2 and a liquid outlet mechanism 3, the liquid outlet mechanism 3 comprises a pump head assembly 31, the pump head assembly 31 comprises a screw cap 311, a liquid guide tube 312, a hollow plunger 313, a sealing ball 314, a first spring 315, a piston 316 and a liquid outlet 317, the top end of the liquid guide tube 312 is engaged with the screw cap 311, the screw cap 311 is screwed with the bottle mouth of the liquid storage bottle 1, a liquid storage cavity 3121 and a liquid inlet cavity 3122 which are vertically arranged are arranged in the liquid guide tube 312, the sealing ball 314 is used for communicating or cutting off the liquid storage cavity 3121 and the liquid inlet cavity 3122, the piston 316 is sleeved on the hollow plunger 313 and is positioned in the liquid storage cavity 3121, two ends of the first spring 315 respectively abut against the bottom end of the hollow plunger 313 and the bottom wall of the liquid storage cavity 3121, the top end of the hollow plunger 313 penetrates through the screw cap 311, the liquid outlet 317, the liquid outlet mechanism 3 further comprises a suck-back device 32 and a driving device 33, the suck-back device 32 comprises a fixing frame 321 screwed outside the screw cap 311, a gland 322 inserted on the fixing frame 321, a latex ball 323 arranged between the gland 322 and the fixing frame 321, and a liquid suction pipe 324 and a liquid return pipe 325 communicated with the latex ball 323, an accommodating cavity 3221 for placing the latex ball 323 is arranged in the gland 322, a sliding groove 3211 is arranged on the side wall of the fixing frame 321, a driving rod 3131 adapted to the sliding groove 3211 is arranged on the outer circumferential wall of the hollow plunger 313, the liquid outlet 317 is arranged through the sliding groove 3211 and is located below the driving rod 3131, a pressing rod 3222 adapted to the sliding groove 3133211 and corresponding to the driving rod 1 is arranged at the bottom of the gland 322, a limiting port 3223 corresponding to the latex ball 324 and the liquid return pipe 325 is arranged on the outer circumferential wall of the gland 322, the gland 322 can move up and down relative to the, the liquid suction pipe 324 is communicated with the liquid outlet 317, the screw cap 311 and the top of the liquid guide pipe 312 are provided with a mounting hole 4 for communicating the liquid return pipe 325 with the liquid storage bottle 1, the liquid suction pipe 324 and the liquid return pipe 325 are both connected with a one-way valve 5, the one-way valve 5 at the liquid suction pipe 324 is reversely connected with the one-way valve 5 at the liquid return pipe 325, the driving device 33 comprises a shell 331 in snap fit with the fixing frame 321, a driving motor 332 arranged in the shell 331, a driving shaft 333 in transmission connection with the driving motor 332, a slider 334 in threaded connection with the driving shaft 333 and a push rod 335 fixedly connected with the slider 334, the bottom end of the push rod 335 is abutted against the top of the gland 322, the sensor 2 is positioned at one side of the bottom end of the shell 331 facing the liquid outlet 317, the front end of the sensor is provided with a light guide component, the light guide component 9 comprises a, Establish in fixed pipe 91 and be located the light conductor 92 of 2 front ends of inductor and with the closing cap 93 of the inner spiro union of fixed pipe 91, inductor 2 links to each other with the closing cap 93 is fixed, the inside sunken bending in light conductor 92 middle section, with fixed intraductal wall vacuole formation, be equipped with the elastic filler 921 in the cavity, the opening on fixed pipe 91 top is the loudspeaker form that extends the expansion to the outside, light conductor 92 is including the light scattering portion 922 and the light scattering portion 923 that set up from top to bottom, light scattering portion 922 top is spherical, through-hole 9221 has been seted up to the light scattering portion upper level.

In the above structure, when the user uses the liquid storage bottle, the hand of the user is induced to approach through the sensor 2, the driving motor 332 is started, the driving shaft 333 is controlled to rotate, the sliding block 334 drives the push rod 335 to move downwards, the push rod 335 presses the gland 322, the gland 322 moves towards the fixing frame 321 to compress the latex ball 323, the gas in the latex ball 323 enters the liquid storage bottle 1 through the check valve 5 at the liquid return pipe 325, the gland 322 is continuously pressed, the pressing rod 3222 abuts against the driving rod 3131 to push the driving rod 3131 to move downwards, so that the hollow plunger 313 moves downwards relative to the piston 316, the first spring 315 is in a compressed state, the sealing ball 314 floats upwards, the liquid storage cavity 3121 is communicated with the liquid inlet cavity 3122, after the soap liquid in the liquid storage bottle 1 flows into the liquid storage cavity 3121 through the liquid inlet cavity 3122, after the soap liquid enters the inner cavity of the hollow plunger 313 through the liquid inlet hole on, when the liquid flows out of the liquid outlet nozzle 317 and the gland 322 is pressed down to the maximum stroke, the limiting plate on the hollow plunger 313 is abutted against the top of the piston 316; when the push rod 335 reaches the maximum stroke, the driving motor 332 rotates reversely, so that the slide block 334 drives the push rod 335 to reset, the pressing cover 322 can move upwards to reset, the latex ball 323 enters air through the one-way valve 5 at the position of the pipette 324, redundant soap liquid in the liquid outlet 317 is sucked into the latex ball 323, residual soap liquid in the liquid outlet 317 can be prevented from dropping on a washing platform, the latex ball 323 quickly recovers after air enters the air, the pressing cover 322 is pushed upwards, the hollow plunger 313 is pushed upwards to reset through the elastic force of the first spring 315, the liquid storage cavity 3121 cannot be communicated with the inner cavity of the hollow plunger 313, the sealing ball 314 resets, and the communication between the liquid storage cavity 3121 and the liquid inlet cavity 3122 is cut off. Can absorb the back to emulsion 323 in with the soap lye of liquid outlet 317 in pipette 324 through setting up suck-back device 32, circulate to stock solution bottle 1 in through returning liquid pipe 325 to can improve the rate of utilization of soap lye, avoid dripping the wasting on the wash platform, and make the wash platform clean and tidy more, reduce work load. By pressing the latex ball 323, the air pressure in the liquid storage cavity 3121 is increased, so that the speed of the soap liquid flowing into the liquid inlet cavity 3122 is increased, the liquid outlet efficiency of the invention is improved, and the reliability of the invention is improved. The latex ball 323 can be conveniently and fixedly supported by the fixing frame 321, and the fixing frame can be matched with the gland 322 to facilitate the up-and-down displacement of the gland 322, so that the reliability of the invention is improved. The liquid return pipe 325 is fixed by arranging the mounting hole 4 and is communicated with the inner cavity of the liquid storage bottle 1, and the liquid return pipe can be mounted on other bottle bodies after the liquid outlet mechanism 3 is detached from the liquid storage bottle 1 by a user, so that the application range of the invention is expanded. The infrared lamp of the inductor 2 emits light, which is transmitted to the outside through the light guide 92, so that the accuracy of the inductor 2 and the stability of the induction can be improved, thereby improving the reliability of the present invention. Set up astigmatism portion 923 spherical can be convenient for with the even scattering of light to the outside, improve the stability of the human hand of inductor 2 response to the reliability of leaded light subassembly 9 has been increased. The light condensing part 924 can prevent the light of the sensor 2 from being emitted to other places, so that the sensing intensity of the light is increased, and the sensing stability of the invention is improved. The middle section of the light guide body 92 is inwards sunken to form a cavity with the inner wall of the fixed pipe 91, so that the material cost can be saved, and the light condensing part 924 can condense the light of the inductor 2 and then radiate the light through the light radiating part 923, so that the reliability of the invention is improved. Fixing the light guide 92 by the fixing tube 91 can increase its stability, thereby increasing the firmness of the light guide assembly 9. The connecting strength between the fixing tube 91 and the light guide body 92 can be increased by setting the fixing tube 91 in a horn shape, so that the stability of the light guide body 92 is increased, and the reliability of the present invention is improved. Through setting up through-hole 9231 can practice thrift the material of light guide 92, and can avoid inductor 2's light to penetrate directly to light guide 92 top and lead to light scattering to go out inhomogeneous condition to practice thrift the cost and optimized the light effect, improved inductor 2's response effect. The elastic packing 922 is arranged, so that the connection tightness between the light guide body 92 and the fixed pipe 91 can be improved, the light effect of the inductor 2 is prevented from being influenced by the shaking of the light guide body 92, and the stress intensity of the invention is improved.

In this embodiment, a sensor 6 is disposed below the driving rod 3131 in the sliding slot 3211.

With the above structure, when the driving rod 3131 is displaced to abut against the sensor 6, the sensor 6 controls the driving motor 332 to rotate reversely, so that the driving rod 3131 can be displaced upwards, the controllability of the driving motor 332 is improved, and the reliability of the present invention is improved.

In this embodiment, the driving rod 3131 is symmetrically disposed with respect to the central axis of the hollow plunger 313 in two sets.

By adopting the structure, the stability of the hollow plunger 313 when the pressing rod 3222 pushes the driving rod 3131 to displace can be improved, and the reliability of the invention is improved.

In this embodiment, the liquid outlet 317 includes a straight pipe 3171 communicated with the hollow plunger 313 and an elbow 3172 connected with the straight pipe 3171, the elbow 3172 is arranged to incline outwards and downwards relative to the straight pipe 3171, and the liquid suction pipe 324 is communicated with the elbow 3172.

In the structure, the bent pipe 3172 is arranged to facilitate liquid discharge, so that the convenience of the invention is improved. The liquid suction pipe 324 is communicated with the bent pipe 3172, so that the soap liquid can flow out conveniently when a user uses the soap liquid device, and the soap liquid is prevented from flowing out to a hand washing table when the user uses the soap liquid device, and the reliability of the invention is improved.

In this embodiment, the top of the fixing frame 321 is provided with a limiting groove 3212, and the bottom of the gland 322 is provided with a limiting block 3224 adapted to the limiting groove 3212.

By adopting the structure, the gland 322 and the fixing frame 321 can be conveniently positioned and installed, and the gland 322 can be conveniently displaced up and down relative to the fixing frame 321, so that the reliability of the invention is improved.

In this embodiment, a stop block 3132 is disposed at the bottom of the hollow plunger 313, and a locking groove 31321 for fixing the first spring 315 is disposed at the bottom of the stop block 3132.

With the above structure, the stability of the first spring 315 can be improved, thereby improving the reliability of the pump head assembly 31.

In this embodiment, a sealing groove 3133 is disposed at a connection portion of the hollow plunger 313 and the screw cap 311, a sealing gasket 7 is disposed in the sealing groove 3133, and a sealing gland 71322 is disposed on the sealing gasket 7.

In the above configuration, the sealing performance between the hollow plunger 313 and the screw cap 311 can be improved by providing the gasket 7, and the sealing performance of the present invention can be improved. The provision of the seal cover 71322 can improve the stability and reliability of the gasket 7, thereby further improving the sealing performance of the present invention.

In this embodiment, a fixing column 3213 abutting against the sealing gland 71322 is disposed in the fixing frame 321, a positioning hole 32131 adapted to the hollow plunger 313 is disposed at a bottom end of the fixing column 3213, and an opening slot 32132 corresponding to the driving rod 3131 is disposed on an outer circumferential wall of the fixing column 3213.

By adopting the structure, the stability of the hollow plunger 313 during displacement can be improved, the hollow plunger 313 can be conveniently positioned and installed, the compactness of the sealing gasket 7 can be further improved through the fixing column 3213, and the reliability of the invention is improved.

In this embodiment, the check valve 5 includes a valve body 51 and a valve cover 52 screwed with the valve body 51, a valve cavity 511 is disposed in the valve body 51, and a second spring 53 and a ball 54 abutting against the second spring 53 and adapted to seal with an inner end of the valve cover 52 are disposed in the valve cavity 511.

By adopting the structure, redundant soap liquid in the liquid outlet 317 can be conveniently sucked back into the liquid storage barrel, and the reliability of the liquid storage barrel is improved.

In this embodiment, the side wall of the liquid storage bottle 1 is provided with a U-shaped viewing port 8.

By adopting the structure, the surplus of the soap liquid in the liquid storage bottle 1 can be visually observed, so that the soap liquid can be conveniently added by a user, and the reliability of the soap liquid bottle is improved.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and those modifications and variations assumed in the above are also considered to be within the protective scope of the present invention.

Claims (10)

1. The utility model provides a soap dispenser, includes stock solution bottle, inductor and play liquid mechanism, it includes the pump head subassembly to go out the liquid mechanism, the pump head subassembly includes spiral shell lid, catheter, hollow plunger, ball sealer, first spring, piston and liquid outlet, catheter top and spiral shell lid looks block, the liquid storage chamber and the feed liquor chamber that set up about the spiral shell lid is mutually spiro union with the bottleneck of stock solution bottle, stock solution chamber and feed liquor chamber that is equipped with about in the catheter, the ball sealer is used for the intercommunication or the cutting off in liquid storage chamber and feed liquor chamber, the piston cover is located on the hollow plunger and is located the stock solution intracavity, first spring both ends are supported respectively on hollow plunger bottom and stock solution chamber diapire, the setting of spiral shell lid is run through on the hollow plunger top, the liquid outlet is linked together its characterized in that with: the liquid outlet mechanism also comprises a suck-back device and a driving device, the suck-back device comprises a fixed frame screwed outside the screw cap, a gland inserted on the fixed frame, a latex ball arranged between the gland and the fixed frame, and a liquid suction pipe and a liquid return pipe communicated with the latex ball, a containing cavity for placing the latex ball is arranged in the gland, a chute is arranged on the side wall of the fixed frame, a driving rod matched with the chute is arranged on the outer circumferential wall of the hollow plunger, the liquid outlet nozzle passes through the chute and is positioned below the driving rod, a pressure rod matched with the chute and corresponding to the driving rod is arranged at the bottom of the gland, a limit port corresponding to the liquid suction pipe and the liquid return pipe is arranged on the outer circumferential wall of the gland, the gland can move up and down relative to the fixed frame, the liquid suction pipe is communicated with the liquid outlet nozzle, and a mounting hole for communicating the liquid return pipe with the, the liquid suction pipe and the liquid return pipe are both connected with a one-way valve, the one-way valve at the liquid suction pipe is reversely connected with the one-way valve at the liquid return pipe, the driving device comprises a shell matched with a fixed frame in a buckling way, a driving motor arranged in the shell, a driving shaft in transmission connection with the driving motor, a sliding block in threaded connection with the driving shaft and a push rod fixedly connected with the sliding block, the bottom end of the push rod is propped against the top of the gland, the inductor is positioned at one side of the bottom end of the shell facing the liquid outlet nozzle, the front end of the inductor is provided with a light guide assembly, the light guide assembly comprises a fixed pipe which is sleeved outside the inductor and is provided with an opening at the top end, a light guide body which is arranged in the fixed pipe and is positioned at the front end of the inductor and a sealing cover in threaded connection with the inner end of, the light guide body comprises a light scattering part and a light focusing part which are arranged from top to bottom, the top of the light scattering part is spherical, and the light scattering part is horizontally provided with a through hole.

2. The soap dispenser as in claim 1, wherein: and a sensor is arranged below the driving rod in the sliding groove.

3. The soap dispenser as in claim 1, wherein: two groups of driving rods are symmetrically arranged relative to the central axis of the hollow plunger.

4. The soap dispenser as in claim 1, wherein: the liquid outlet nozzle comprises a straight pipe communicated with the hollow plunger and an elbow connected with the straight pipe, the elbow is arranged in a downward inclined mode relative to the straight pipe, and the liquid suction pipe is communicated with the elbow.

5. The soap dispenser as in claim 3, wherein: the fixing frame is characterized in that a limiting groove is formed in the top of the fixing frame, and a limiting block matched with the limiting groove is arranged at the bottom of the gland.

6. The soap dispenser as in claim 1, wherein: the hollow plunger bottom is equipped with the stopper, the stopper bottom is seted up the draw-in groove that is used for fixed first spring.

7. The soap dispenser as in claim 6, wherein: the hollow plunger is characterized in that a sealing groove is formed in the joint of the hollow plunger and the screw cap, a sealing gasket is arranged in the sealing groove, and a sealing gland is arranged on the sealing gasket.

8. The soap dispenser as in claim 7, wherein: a fixing column which is abutted against the sealing gland is arranged in the fixing frame, a positioning hole matched with the hollow plunger is formed in the bottom end of the fixing column, and an open slot corresponding to the driving rod is formed in the outer circumferential wall of the fixing column.

9. The soap dispenser as in claim 1, wherein: the check valve comprises a valve body and a valve cover in threaded connection with the valve body, a valve cavity is arranged in the valve body, and a second spring and a ball body which is abutted against the second spring and is in adaptive sealing with the inner end of the valve cover are arranged in the valve cavity.

10. The soap dispenser as in claim 1, wherein: a U-shaped observation port is formed in the side wall of the liquid storage bottle.

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