CN112021972B - Foam type automatic hand washer - Google Patents

Abstract

The invention provides a foam type automatic hand washing machine which comprises a main machine and a liquid storage component, wherein the main machine comprises a main body seat, a sensing head component, a foam pump and an inner support, the inner support is assembled in the main body seat, the foam pump is assembled on the inner support, the sensing head component is communicated with the foam pump and extends out of the main body seat, the foam pump comprises a pump body and a foam making part for making foam, the foam making part is vertically arranged on the side part of the pump body, a liquid inlet at the lower end of the foam making part is connected with a liquid outlet of the pump body, a pump outlet at the upper end of the foam making part is connected with the sensing head component, and a liquid inlet of the pump body is communicated with the liquid storage component. Compared with the prior art, the foam type automatic hand washing machine provided by the invention has the advantages that the foam generating part of the foam pump is vertically arranged at the side part of the pump body, the structure is compact, the space occupied by the foam generating device for the hand washing machine is saved, residues are returned to the pump body under the action of gravity after the last use, and the waste caused by the fact that the residues are directly discharged from the pump outlet is avoided.

Description

Foam type automatic hand washer

Technical Field

The invention relates to the technical field of bathroom accessories, in particular to a foam type automatic hand washing machine.

Background

With the improvement of living standard, the hand washing solution is adopted to wash hands in an important clean and sanitary mode, so that the hand washing solution can play roles in cleaning, protecting skin, sterilizing and disinfecting, people are more and more accepted for foam bathroom products, and a batch of foam automatic soap-giving products are also emerging on the market.

The chinese patent application CN201810767958.1 discloses a general soap dispenser, a foaming cavity communicating with a mixing cavity is arranged above a base, two layers of foaming nets are arranged in the foaming cavity to foam a gas-liquid mixture, the foaming cavity is horizontally arranged horizontally, which brings about a serious problem that residual foam after foaming can only flow back to a pipeline section between the foaming nets and a foaming joint or the foaming cavity between the two foaming nets, after a period of time, the flowing back foam can slowly change back to liquid, when the foaming is performed again next time, the residual liquid between the foaming nets and the foaming joint flows out from the foaming joint directly without passing through the foaming nets, and the residual liquid in the foaming cavity between the two foaming nets can only flow through one layer of foaming nets and then be discharged, thus, the foam is mixed with the residual unfoamed liquid and discharged together, and the foaming effect is affected.

In addition, chinese patent CN201620152079.4 discloses a soap solution foamer and foaming device thereof, wherein the foaming cavity is vertically arranged, the foam outlet is positioned on the lower cover below, and the residual foam after each foaming can flow away from the foam outlet under the action of gravity, so that the residual foam cannot flow back to cause great waste of the soap solution.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a foam type automatic hand washing machine with a foam pump, wherein a foam making assembly of the foam pump is vertical and is convenient to reflow.

In order to solve the technical problems, the invention adopts the following technical scheme:

The utility model provides an automatic cell-washing machine of foam, its includes host computer and stock solution subassembly, the host computer includes main part seat, inductive head subassembly, foam pump and inner support, and the inner support is assembled in the main part seat, and the foam pump is assembled on the inner support, and inductive head subassembly and foam pump intercommunication stretch out outside the main part seat, the foam pump includes the pump body and is used for making the bubble portion of making of foam, make the vertical setting of bubble portion be in pump body lateral part, the lower extreme inlet of bubble portion with the liquid outlet of the pump body is connected, the upper end pump outlet of bubble portion with inductive head subassembly is connected, the inlet and the stock solution subassembly intercommunication of the pump body.

Compared with the prior art, the foam type automatic hand washing machine provided by the invention has the advantages that the foam generating part of the foam pump is vertically arranged at the side part of the pump body, the structure is compact, the space occupied by the foam generating device for the hand washing machine is saved, residues flow back to the pump body from the induction head through the foam generating part under the action of gravity after the last use, the residual pure liquid volatilizes after a period of time of the gas in the residues, and when the hand washing machine is used for the next time, the new gas-liquid mixture drives the last residual liquid to flow through the foam generating part again for re-foaming, so that the pure liquid is prevented from being directly discharged from the pump without foaming, the foaming effect is ensured, and meanwhile, the waste is avoided.

Preferably, the bubble making part comprises a vertically arranged body, a hollow connecting cylinder and a foaming net, wherein a gas-liquid flow passage is arranged in the body, the gas-liquid flow passage enables the mixture to be fully mixed before passing through a bubble making cavity, the foaming effect is better, the backflow of residual mixture is convenient, the bubble making cavity is arranged in the body and communicated with a liquid outlet of a pump body through the gas-liquid flow passage, the connecting cylinder is arranged in the bubble making cavity, the foaming net is arranged at two ends of the bubble making cavity, the pump outlet is arranged on the body and communicated with the bubble making cavity, and the opening of the pump outlet is upward.

Preferably, the pump body comprises a diaphragm pump mechanism, a driving assembly and a mixing assembly, the mixing assembly comprises a flow distribution seat and a flow distribution cover, the flow distribution cover is connected with the flow distribution seat to form a liquid inlet chamber, an air inlet chamber and a mixing chamber, a liquid inlet and an air inlet which are correspondingly communicated with the liquid inlet chamber and the air inlet chamber are formed in the flow distribution cover, the liquid inlet chamber, the air inlet chamber and the mixing chamber are respectively communicated with the diaphragm pump mechanism, so that external gas and liquid enter the diaphragm pump mechanism from the liquid inlet chamber and the air inlet chamber respectively and then are discharged from the mixing chamber, the bubble making part is vertically arranged at the side part of the diaphragm pump assembly, the body is connected with the flow distribution seat to realize the communication of the gas-liquid flow passage and the mixing chamber, so that residues flow back to the mixing chamber under the action of gravity after the last use, the gas in the residues volatilizes the residual pure liquid after a period of time, and when the new gas-liquid mixture drives the last residual liquid to flow through the bubble making net again to foam again when the bubble making net.

Preferably, in order to facilitate backflow, the side portion of the flow dividing seat extends outwards to form a first extension portion, the body is arranged on the first extension portion, the side portion of the flow dividing cover extends outwards to form a second extension portion, when the flow dividing cover is connected with the flow dividing seat, the second extension portion and the first extension portion form a backflow cavity, one end of the backflow cavity is communicated with the mixing chamber, and the other end of the backflow cavity is communicated with the gas-liquid flow channel; so that the residue after the last use flows back into the reflux cavity, and when the mixture is used next time, the gas-liquid mixture from the mixing chamber drives the residual liquid in the reflux cavity to flow through the foam-making cavity again.

Preferably, the first extension portion extends upwards to form an outlet pipeline, the foam making portion further comprises a hollow silica gel sleeve, the silica gel sleeve is sleeved outside the outlet pipeline and is fixed in the body, the foam making cavity is formed above the silica gel sleeve and at the top of the body, the silica gel sleeve and the outlet pipeline are located in the gas-liquid flow channel, and the tightness of the gas-liquid flow channel can be ensured by utilizing the silica gel sleeve.

Preferably, the liquid storage assembly comprises a liquid storage bottle, a liquid inlet suction pipe and a liquid storage bottle cap connected with the liquid storage bottle, the liquid storage bottle is connected with the main body seat, the liquid storage bottle cap is provided with a liquid suction channel, one end of the liquid inlet suction pipe is communicated with the liquid suction channel, the other end of the liquid inlet suction pipe stretches into the liquid storage bottle, the opening directions of the liquid inlet and the air inlet are downward, and the liquid inlet is connected with the liquid suction channel, so that the liquid inlet of the foam pump is directly connected with the liquid storage bottle cap, and compared with the scheme that a liquid suction inlet of the existing pump is communicated with the liquid storage bottle cap through a rubber tube, the liquid soap suction path is greatly shortened, and the reaction time of the hand cleaner is shortened; when the liquid storage bottle is connected with the main body seat, a cavity gap is formed, an air inlet hole is formed in the side part of the main body seat corresponding to the cavity gap, and the air inlet is communicated with the cavity gap, so that the whole hand washing machine system is easier to waterproof.

Preferably, the inner support is provided with a battery cavity, the inner support is assembled in the main body seat, the foam pump is assembled on the inner support, and the liquid inlet of the foam pump extends out of the lower end of the inner support and is connected with the liquid suction channel of the liquid storage bottle cap, so that the structure is simple, and the assembly is convenient.

Preferably, the induction head assembly comprises an induction ball seat, an induction photomask, a foam tube, an induction circuit board and an induction ball seat cover, wherein a foam inlet end of the foam tube is connected with the pump outlet, a connecting part is arranged at a foam outlet end of the foam tube, the connecting part is connected with the induction photomask in a matched manner and is fixed on the induction ball seat, one end of the induction ball seat is fixed in the main body seat, the other end of the induction ball seat extends out of the main body seat, foam outlets corresponding to the foam outlet end are formed in the other end of the induction ball seat and the induction photomask, the induction circuit board is connected with the induction photomask, and the induction circuit board is used for receiving feedback of the induction photomask and controlling starting and stopping of the foam pump, and the induction ball seat cover is fixedly connected with the induction ball seat; the inductive head component is directly connected with the pump outlet of the foam pump, so that the output path is shortened to a certain extent, and the sensitivity of the hand washer for sensing foam is further improved.

Preferably, the driving assembly comprises a motor and a motor seat, the motor is fixedly connected with the motor seat, and the diaphragm pump mechanism is arranged in the motor seat and is in transmission connection with the motor;

The diaphragm pump mechanism comprises an eccentric shaft, a rotating shaft arm, a leather cup and a leather cup seat, wherein one end of the leather cup seat is connected with the motor seat, the other end of the leather cup seat is connected with the shunt seat, at least one pump liquid cavity and at least one pump air cavity are arranged on the leather cup seat, at least two bowl-shaped bodies are arranged on the leather cup corresponding to the pump liquid cavity and the pump air cavity, a push handle is arranged at the lower end of each bowl-shaped body, the leather cup is arranged in the leather cup seat, the eccentric shaft is connected with the output end of the motor, one end of the rotating shaft is connected with the eccentric shaft, the other end of the rotating shaft is connected with the rotating shaft arm, and an umbrella-shaped push-pull piece connected with the push handle is arranged on the rotating shaft arm;

In order to realize that diaphragm pump mechanism is from liquid inlet one-way suction liquid, from air inlet one-way suction gas and unidirectional transport to the mixing chamber in, the inlet check valve is all equipped with to the inlet chamber of reposition of redundant personnel seat and inlet chamber upper wall, the last export check valve that corresponds the mixing chamber top of reposition of redundant personnel seat is equipped with, the inlet chamber passes through inlet check valve and pump liquid chamber intercommunication, and the inlet chamber passes through inlet check valve and pump air chamber intercommunication, inlet chamber and inlet chamber pass through export check valve and mixing chamber intercommunication.

Preferably, the eccentric shaft is provided with a shaft groove with an opening at the lower end, one end of the rotating shaft is arranged in the shaft groove, and the diaphragm pump mechanism further comprises a stop ball which is arranged between the top of the shaft groove and the end part of the rotating shaft; the setting of the stop ball effectively prevents the rotating shaft from retreating, ensures the working stability of the rotating shaft and prolongs the service life of the product.

Preferably, the split-flow seat is provided with a first liquid inlet cavity, a first air inlet cavity and a first mixing cavity which are mutually independent, the split-flow cover is provided with a second liquid inlet cavity, a second air inlet cavity and a second mixing cavity which are mutually independent, when the split-flow cover is connected with the split-flow seat, the first liquid inlet cavity and the second liquid inlet cavity enclose to form the liquid inlet chamber, the first air inlet cavity and the second air inlet cavity enclose to form the air inlet chamber, and the first mixing cavity and the second mixing cavity enclose to form the mixing chamber.

Drawings

FIG. 1 is an exploded schematic view of the present invention;

FIG. 2 is an exploded view of the host of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a cross-sectional view of the invention;

FIG. 5 is a second cross-sectional view of the present invention;

FIG. 6 is an exploded schematic view of the foam pump of the present invention;

FIG. 7 is an exploded view of the foam pump of the present invention;

FIG. 8 is a cross-sectional view of a foam pump of the present invention;

FIG. 9 is an enlarged view of a portion of the structure of FIG. 8;

FIG. 10 is an enlarged view of area A of FIG. 8;

FIG. 11 is a cross-sectional view of the diverter seat and diverter cover connection of the present invention;

FIG. 12 is a schematic view of a diverter seat according to the present invention;

FIG. 13 is a schematic view of a cup according to the present invention.

Description of the reference numerals: host 1, reservoir assembly 2, inlet chamber 3, inlet chamber 4, mixing chamber 5, foam generating chamber 6, reflow chamber 7, gas-liquid flow channel 8, body housing 11, sensor head assembly 12, foam pump 13, inner support 14, main plate 15, sensor spring 16, sensor button 111, mounting hole 112, sensor ball seat 121, sensor mask 122, foam tube 123, sensor circuit board 124, sensor ball seat cover 125, connection 126, drive assembly 1301, diaphragm pump mechanism 1302, mixing assembly 1303, motor 1304, motor housing 1305, shunt housing 131, foam generating portion 132, shunt cover 133, first extension 1311, first inlet chamber 1312, first inlet chamber 1313, first mixing chamber 1314, outlet tube 1315, body 1316 the silica gel housing 1317, the first reflow slot 1318, the second reflow slot 1319, the connecting tube 1321, the foaming net 1322, the liquid inlet 1331, the air inlet 1332, the pump outlet 1333, the second air inlet 1335, the second mixing chamber 1336, the second extension 1337, the battery container 141, the inner frame 142, the inner frame cover 143, the battery cover 144, the power receiving portion 145, the liquid storage bottle 21, the liquid inlet straw 22, the liquid storage bottle cover 23, the cavity gap 24, the liquid suction channel 231, the eccentric shaft 91, the rotating shaft 92, the rotating shaft arm 93, the cup 94, the cup holder 95, the inlet check valve 96, the outlet check valve 97, the check ball 98, the shaft slot 911, the umbrella-shaped push-pull member, the bowl 941, the push handle 942, the pump liquid cavity 951, the pump cavity 952,

Detailed Description

The following describes specific embodiments of the present invention with reference to the drawings.

Referring to fig. 1 to 13, a foam type automatic hand washer comprises a host 1 and a liquid storage component 2, wherein the host 1 comprises a main body seat 11, a sensing head component 12, a foam pump 13 and an inner support 14, the inner support 14 is assembled in the main body seat 11, the foam pump 13 is assembled on the inner support 14, the sensing head component 12 is communicated with the foam pump 13 and extends out of the main body seat 11, the foam pump 13 comprises a pump body and a foam making part 132 for making foam, the pump body comprises a driving component 1301, a diaphragm pump mechanism 1302 and a mixing component 1303, the mixing component 1303 comprises a diversion seat 131 and a diversion cover 133, the diversion cover 133 is connected with the diversion seat 131 to form a liquid inlet chamber 3, an air inlet chamber 4 and a mixing chamber 5, the liquid inlet chamber 3, the air inlet chamber 4 and the mixing chamber 5 are respectively communicated with the diaphragm pump mechanism 1302, so that external air and liquid are respectively discharged from the liquid inlet chamber 3, the air inlet chamber 4 enters the diaphragm pump mechanism 1302 and then is discharged from the mixing chamber 5, the diversion cover 133 is provided with a pump inlet opening 1 and a pump making part 1332 which are respectively communicated with the liquid inlet chamber 3 and the liquid inlet 1, and the liquid storage component 1331 is provided with a pump inlet 1331, and a pump outlet 1332 which is respectively communicated with the liquid inlet 1 and a pump inlet 1.

Wherein, make bubble 132 includes the body 1316 of vertical setting, hollow connecting cylinder 1321 and foaming net 1322, be equipped with gas-liquid runner 8 in body 1316, gas-liquid runner 8 makes the mixture obtain intensive mixing before making bubble chamber 6, and foaming effect is better, also makes things convenient for the backward flow of residual mixture simultaneously, it is in to make bubble chamber 6 set up in body 1316 and through gas-liquid runner 8 and mixing chamber 5 intercommunication, connecting cylinder 1321 sets up make bubble chamber 6 is interior, foaming net 1322 sets up make bubble chamber 5 both ends and fix the both ends at connecting cylinder 1321, pump outlet 1333 set up on body 1316 and with make bubble chamber 6 intercommunication, pump outlet 1333 opening is upwards.

Compared with the prior art, the foam type automatic hand washing machine provided by the invention has the advantages that the mixing component 1303 of the foam pump 13 is vertically arranged, the pump outlet 1333 is upward, so that residues flow back into the mixing chamber 5 under the action of gravity after the last use, the gas in the residues volatilizes the residual pure liquid after a period of time, and when the foam type automatic hand washing machine is used next time, the new gas-liquid mixture drives the residual liquid after the last time to flow through the foam making cavity 6 again, and the foam is re-foamed through the foam generating net structure 132, so that the liquid is prevented from being directly discharged from the pump outlet 1333 without passing through the foam generating net structure 132, the foaming effect is ensured, and meanwhile, the waste is avoided.

Referring to fig. 6 to 11, in a preferred embodiment, the side portion of the split-flow seat 131 extends outwards to form a first extension portion 1311, the first extension portion 1311 is provided with the foam-making portion 132, the side portion of the split-flow cover 133 extends outwards to form a second extension portion 1337, when the split-flow cover 133 is connected to the split-flow seat 131, the second extension portion 1337 forms a reflux cavity 7 with the first extension portion 1311, one end of the reflux cavity 7 is communicated with the mixing chamber 5, and the other end is communicated with the gas-liquid flow channel 8; so that the residue after the last use flows back into the backflow cavity 7 under the action of gravity, and when the mixture is used next time, the gas-liquid mixture from the mixing chamber 5 drives the last residual liquid in the backflow cavity 7 to flow through the gas-liquid flow channel 8 again and enter the foam making cavity 6.

Specifically, the split seat 131 is provided with a first liquid inlet chamber 1312, a first air inlet chamber 1313 and a first mixing chamber 1314 which are independent of each other, the split cover 133 is provided with a second liquid inlet chamber 1334, a second air inlet chamber 1335 and a second mixing chamber 1336 which are independent of each other, the first extension portion 1311 is provided with a first backflow groove 1318, the second extension portion 1337 is provided with a second backflow groove 1319, when the split cover 133 is connected with the split seat 131, the first liquid inlet chamber 1312 and the second liquid inlet chamber 1334 enclose to form the liquid inlet chamber 3, the first air inlet chamber 1313 and the second air inlet chamber 1335 enclose to form the air inlet chamber 4, the first mixing chamber 1314 and the second mixing chamber 1336 enclose to form the mixing chamber 5, and the first backflow groove 1318 and the second backflow groove 1319 enclose to form the backflow chamber 7.

Referring to fig. 3 to 5, in a preferred embodiment, the main unit 1 further includes a main board 15 and a sensing spring 16, the main body seat 11 is provided with a sensing button 111, the main board 15 is fixed in the main body seat 11, the main board 15 is electrically connected with the foam pump 13, one end of the sensing spring 16 is inductively connected with the main board 15, the other end is connected with the button, and the main board 15 is used for controlling the hand washer to enter a standby state.

Referring to fig. 6 to 11, in a preferred embodiment, the first extension portion 1311 extends upward to form an outlet pipe 1315, the foam generating portion 132 further includes a hollow silica gel sleeve 1317, the silica gel sleeve 1317 is sleeved outside the outlet pipe 1315 and is fixed in the body 1316, the foam generating cavity 6 is formed above the silica gel sleeve 1317 and at the top of the body 1316, the silica gel sleeve 1317 and the outlet pipe 1315 are located in the gas-liquid flow channel 8, and the tightness of the gas-liquid flow channel 8 can be ensured by using the silica gel sleeve 1317. In this embodiment, the diversion seat 131, the first extension portion 1311 and the outlet pipe 1315 are integrally formed, and the diversion cover 133 and the second extension portion 1337 are integrally formed; the connecting tube 1321 is pressed between the upper end of the silica gel cover 1317 and the top of the body 1316

Referring to fig. 3 to 6, in a preferred embodiment, the liquid storage assembly 2 includes a liquid storage bottle 21, a liquid inlet straw 22, and a liquid storage bottle cap 23 connected to the liquid storage bottle 21, wherein the liquid storage bottle 21 is connected to the main body seat 11, the liquid storage bottle cap 23 is provided with a liquid suction channel 231, one end of the liquid inlet straw 22 is communicated with the liquid suction channel 231, the other end extends into the bottom of the liquid storage bottle 2, the liquid inlet 1331 and the liquid inlet 1332 are downward, and the liquid inlet 1331 is connected with the liquid suction channel 231, so that the liquid inlet 1331 of the foam pump 13 is directly connected with the liquid storage bottle cap 23, and compared with the scheme that the liquid inlet of the existing pump is communicated with the liquid storage bottle cap through a rubber tube, the liquid storage suction path is greatly shortened, and the reaction time of the hand cleaner is shortened; when the liquid storage bottle 21 is connected with the main body seat 11, a cavity gap 24 is formed, an air inlet hole (not shown in the figure) is formed in the side part of the main body seat 11 corresponding to the cavity gap 24, and the air inlet 1332 is communicated with the cavity gap 24, so that the whole hand washing machine system is easier to be waterproof.

Referring to fig. 3 to 5, in a preferred embodiment, the inner support 14 is provided with a battery cavity 141, the inner support 14 is assembled in the main body seat 11, the foam pump 13 is assembled on the inner support 14, and the liquid inlet 1331 of the foam pump 13 extends out of the lower end of the inner support 14 and is connected with the liquid suction channel 231 of the liquid storage bottle cap 23, so that the structure is simple and the assembly is convenient. In this embodiment, the inner support 14 includes an inner support 142, an inner support cover 143 and a battery cover 144, the battery chamber 141 is disposed on the inner support 142, the foam pump 13 is assembled on the inner support 142 in a clamping manner and located at a side portion of the battery chamber 141, the inner support cover 143 is fixedly connected to an upper end of the inner support 142 by a screw, the inner support cover 143 is provided with an electrical connection portion 145, the electrical connection portion 145 is electrically connected to the main board 15 and the foam pump 13 respectively, the battery cover 144 is detachably connected to a lower end of the inner support 142, and the battery cover 144 is provided with a liquid passing hole (not labeled in the figure) and an air passing hole (not labeled in the figure) for passing through a liquid inlet 1331 and an air inlet 1332 of the foam pump 13 respectively.

Referring to fig. 2 to 4, in a preferred embodiment, the induction head assembly 12 includes an induction ball seat 121, an induction photomask 122, a foam tube 123, an induction circuit board 124 and an induction ball seat cover 125, wherein a foam inlet end of the foam tube 123 is connected with the pump outlet 1333, a connecting part 126 is arranged at a foam outlet end, the connecting part 126 is connected with the induction photomask 122 in a matching way and is fixed on the induction ball seat 121, an assembly hole 112 is arranged on the main body seat 11, one end of the induction ball seat 121 is fixed in the main body seat 11 through the assembly hole 112, the other end extends out of the main body seat 11, a foam outlet corresponding to the foam outlet end is arranged on both the other end of the induction ball seat 121 and the induction photomask 122, the induction circuit board 124 is connected with the induction photomask 122, and the induction circuit board 124 is used for receiving feedback of the induction photomask 122 and controlling start and stop of the foam pump 13; the sensing ball seat cover 125 is fixedly connected with the sensing ball seat 121, and the sensing head assembly 12 is directly connected with the pump outlet 1333 of the foam pump 13, so that the output path is shortened to a certain extent, and the sensitivity of the hand washer for sensing foam is further improved. In this embodiment, the foam outlet end of the foam tube 123 is higher than the foam inlet end of the foam tube 123, and the pump outlet 1333 of the foam pump 13 is lower than the foam inlet end of the foam tube 123, so that the bottom-up output mode is designed to further facilitate the backflow of the liquid soap after the foam is dissipated.

In a preferred embodiment, the driving assembly 1301 includes a motor 1304 and a motor seat 1305, the motor 1304 is fixedly connected with the motor seat 1305, and the diaphragm pump mechanism 1302 is disposed in the motor seat 1305 and is in driving connection with the motor 1304;

Referring to fig. 6 to 13, the diaphragm pump mechanism 1302 includes an eccentric shaft 91, a rotating shaft 92, a rotating shaft arm 93, a cup 94 and a cup holder 95, one end of the cup holder 95 is connected with a motor holder 1305, the other end is connected with a shunt holder 131, at least one pump liquid cavity 951 and at least one pump air cavity 952 are arranged on the cup holder 95, at least two bowl-shaped bodies 941 are arranged on the cup 94 corresponding to the pump liquid cavity 951 and the pump air cavity 952, a push handle 942 is arranged at the lower end of the bowl-shaped body 941, the cup 94 is arranged in the cup holder 95, the eccentric shaft 91 is connected with the output end of the motor 1304, one end of the rotating shaft 92 is connected with the eccentric shaft 91, the other end is connected with the rotating shaft arm 93, and an umbrella-shaped push-pull member 931 connected with the push handle 942 is arranged on the rotating shaft arm 93; in this embodiment, the cup holder 95 is provided with two pumping chambers 952 and one pumping chamber 951, and the cup 94 is correspondingly provided with three bowl-shaped bodies 941, so that the mixing ratio of the liquid and the gas is better.

In order to realize that the diaphragm pump mechanism 1302 sucks liquid from the liquid inlet 1331 in one way, sucks gas from the air inlet 1332 in one way and conveys the gas into the mixing chamber 5 in one way, inlet check valves 96 are arranged on the upper walls of the liquid inlet chamber 3 and the air inlet chamber 4 of the split-flow seat 131, outlet check valves 97 are arranged on the split-flow seat 131 corresponding to the top of the mixing chamber 5, the liquid inlet chamber 3 is communicated with the liquid pumping cavity 951 through the inlet check valves 96, the air inlet chamber 4 is communicated with the liquid pumping cavity 952 through the inlet check valves 96, and the liquid inlet chamber 3 and the air inlet chamber 4 are communicated with the mixing chamber 5 through the outlet check valves 97.

In a preferred embodiment, the eccentric shaft 91 is provided with a shaft groove 911 with an opening at the lower end, one end of the rotating shaft 92 is arranged in the shaft groove 911, the diaphragm pump mechanism 1302 further comprises a stop ball 98, and the stop ball 98 is arranged between the groove top of the shaft groove 911 and the end of the rotating shaft 92; the setting of the stop ball 98 effectively prevents the rotation shaft 92 from retreating, ensures the working stability of the rotation shaft 92 and increases the service life of the product.

The working principle of the invention is described below with reference to fig. 1 to 13:

When the hand cleaner works, the button is pressed to enable the hand cleaner to enter a standby state, when the sensing light cover 122 senses a human hand, the hand cleaner feeds back to the sensing circuit board 124, the sensing circuit board 124 controls the motor 1304 to drive the eccentric shaft 91 to rotate, the eccentric shaft 91 drives the rotating shaft arm 93 and the leather cup 94 to swing back and forth through the rotating shaft 92, and under the cooperation of the umbrella-shaped push-pull element 931 and the push handle 942, each bowl 941 is pressed and pulled back in turn to finish liquid feeding and discharging and air feeding and discharging; gas enters the inlet chamber 4 of the manifold 131 from the inlet 1332 and flows into the pump chamber 951, liquid enters the inlet chamber 3 of the manifold 131 from the inlet 1331 and flows into the pump chamber 952, then liquid and gas are fed into the mixing chamber 5 through the outlet check valve 97, as liquid and gas are continuously fed into the mixing chamber 5 by the diaphragm pump mechanism 1302, the pressure in the mixing chamber 5 increases, liquid and gas will be forced to flow through the backflow chamber 7, the gas-liquid flow passage 8 into the foam-making chamber 6 in sequence, foam is fully formed by the two layers of foam-making mesh 1322 in the foam-making chamber 6 and into the pump outlet 1333, and then discharged from the induction head assembly 12.

After the motor 130411 stops running, the residues which are not removed flow back to the reflux cavity 7 at the bottom of the gas-liquid flow channel 8 under the action of gravity, and after a period of time, the gas in the residues volatilizes the residual pure liquid, and when the gas-liquid mixture from the mixing chamber 5 is used next time, the residual liquid drives the last time to flow through the foaming cavity 6 again, and the residual liquid is foamed again through the foaming net 1322, so that the liquid is prevented from being directly discharged from the pump 1333 without foaming, the foaming effect is ensured, and meanwhile, the waste is avoided.

Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.

Claims (9)

1. The utility model provides an automatic cell-washing machine of foam, its includes host computer and stock solution subassembly, the host computer includes main part seat, inductive head subassembly, foam pump and inner support, and the inner support is assembled in the main part seat, and the foam pump is assembled on the inner support, and inductive head subassembly and foam pump intercommunication stretch out outside the main part seat, its characterized in that: the foam pump comprises a pump body and a foam making part for making foam, the foam making part is vertically arranged at the side part of the pump body, a liquid inlet at the lower end of the foam making part is connected with a liquid outlet of the pump body, a pump outlet at the upper end of the foam making part is connected with the induction head assembly, and a liquid inlet of the pump body is communicated with the liquid storage assembly;

The foam making part comprises a vertically arranged body, a hollow connecting cylinder and a foam net, wherein a gas-liquid flow passage is arranged in the body, a foam making cavity is arranged in the body and is communicated with a liquid outlet of a pump body through the gas-liquid flow passage, the connecting cylinder is arranged in the foam making cavity, the foam net is arranged at two ends of the foam making cavity, the pump outlet is arranged on the body and is communicated with the foam making cavity, and the outlet opening of the pump is upward;

The pump body comprises a diaphragm pump mechanism, a driving assembly and a mixing assembly, the mixing assembly comprises a flow dividing seat and a flow dividing cover, the flow dividing cover is connected with the flow dividing seat to form a liquid inlet chamber, an air inlet chamber and a mixing chamber, the flow dividing cover is provided with a liquid inlet and an air inlet which are respectively communicated with the liquid inlet chamber and the air inlet chamber correspondingly, the liquid inlet chamber, the air inlet chamber and the mixing chamber are respectively communicated with the diaphragm pump mechanism, so that external air and liquid are respectively discharged from the mixing chamber after entering the diaphragm pump mechanism from the liquid inlet chamber and the air inlet chamber, the foam making part is vertically arranged at the side part of the diaphragm pump assembly, and the body is connected with the flow dividing seat;

The liquid storage assembly comprises a liquid storage bottle, a liquid inlet suction pipe and a liquid storage bottle cap connected with the liquid storage bottle, the liquid storage bottle is connected with a main body seat, the liquid storage bottle cap is provided with a liquid suction channel, one end of the liquid inlet suction pipe is communicated with the liquid suction channel, the other end of the liquid inlet suction pipe stretches into the liquid storage bottle, the opening direction of the liquid inlet and the opening direction of the air inlet are downward, the liquid inlet is connected with the liquid suction channel, a cavity gap is formed when the liquid storage bottle is connected with the main body seat, the main body seat is provided with an air inlet hole corresponding to the side part of the cavity gap, and the air inlet is communicated with the cavity gap.

2. The foam automatic hand washing machine according to claim 1, wherein: the side part of the flow distribution seat extends outwards to form a first extension part, the body is arranged on the first extension part, the side part of the flow distribution cover extends outwards to form a second extension part, when the flow distribution cover is connected with the flow distribution seat, the second extension part and the first extension part form a backflow cavity, one end of the backflow cavity is communicated with the mixing chamber, and the other end of the backflow cavity is communicated with the gas-liquid flow channel.

3. The foam automatic hand washing machine according to claim 2, wherein: the first extension portion extends upwards to form an outlet pipeline, the foam making portion further comprises a hollow silica gel sleeve, the silica gel sleeve is sleeved outside the outlet pipeline and is fixed in the body, the foam making cavity is formed above the silica gel sleeve and at the top of the body, and the silica gel sleeve and the outlet pipeline are located in the gas-liquid flow channel.

4. The foam automatic hand washing machine according to claim 1, wherein: the inner support is provided with a battery containing cavity, the inner support is assembled in the main body seat, the foam pump is assembled on the inner support, and a liquid inlet of the foam pump extends out of the lower end of the inner support and is connected with a liquid suction channel of the liquid storage bottle cap.

5. The foam automatic hand washing machine according to claim 1, wherein: the induction head assembly comprises an induction ball seat, an induction photomask, a foam tube, an induction circuit board and an induction ball seat cover, wherein a foam inlet end of the foam tube is connected with the pump outlet, a connecting part is arranged at a foam outlet end of the foam tube, the connecting part is connected with the induction photomask in a matched mode and is fixed on the induction ball seat, one end of the induction ball seat is fixed in the main body seat, the other end of the induction ball seat extends out of the main body seat, foam outlets corresponding to the foam outlet end are formed in the other end of the induction ball seat and the induction photomask, the induction circuit board is connected with the induction photomask, and is used for receiving feedback of the induction photomask and controlling starting and stopping of the foam pump, and the induction ball seat cover is fixedly connected with the induction ball seat.

6. The foam automatic hand washing machine according to claim 1, wherein: the driving assembly comprises a motor and a motor seat, the motor is fixedly connected with the motor seat, and the diaphragm pump mechanism is arranged in the motor seat and is in transmission connection with the motor;

the diaphragm pump mechanism comprises an eccentric shaft, a rotating shaft arm, a leather cup and a leather cup seat, one end of the leather cup seat is connected with the motor seat, the other end of the leather cup seat is connected with the shunt seat, at least one pump liquid cavity and at least one pump air cavity are arranged on the leather cup seat, at least two bowl-shaped bodies are arranged on the leather cup corresponding to the pump liquid cavity and the pump air cavity, a push handle is arranged at the lower end of each bowl-shaped body, the leather cup is arranged in the leather cup seat, the eccentric shaft is connected with the output end of the motor, one end of the rotating shaft is connected with the eccentric shaft, the other end of the rotating shaft is connected with the rotating shaft arm, and an umbrella-shaped push-pull piece connected with the push handle is arranged on the rotating shaft arm.

7. The foam automatic hand washing machine according to claim 6, wherein: the liquid inlet chamber and the upper wall of the air inlet chamber of the flow distribution seat are respectively provided with an inlet check valve, the flow distribution seat is provided with an outlet check valve corresponding to the top of the mixing chamber, the liquid inlet chamber is communicated with the liquid pumping chamber through the inlet check valve, the air inlet chamber is communicated with the air pumping chamber through the inlet check valve, and the liquid inlet chamber and the air inlet chamber are communicated with the mixing chamber through the outlet check valve.

8. The foam automatic hand washing machine according to claim 7, wherein: the diaphragm pump mechanism is characterized in that a shaft groove with an opening at the lower end is formed in the eccentric shaft, one end of the rotating shaft is arranged in the shaft groove, and the diaphragm pump mechanism further comprises a stop ball which is arranged between the top of the shaft groove and the end part of the rotating shaft.

9. The foam automatic hand washing machine according to claim 1, wherein: the split flow seat is provided with a first liquid inlet cavity, a first air inlet cavity and a first mixing cavity which are mutually independent, the split flow cover is provided with a second liquid inlet cavity, a second air inlet cavity and a second mixing cavity which are mutually independent, when the split flow cover is connected with the split flow seat, the first liquid inlet cavity and the second liquid inlet cavity enclose to form the liquid inlet chamber, the first air inlet cavity and the second air inlet cavity enclose to form the air inlet chamber, and the first mixing cavity and the second mixing cavity enclose to form the mixing chamber.