CN212326249U - Foam type automatic hand washing machine - Google Patents

Abstract

The utility model provides an automatic machine of washing hand of foam type, it 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 assembles in the main part seat, and the foam pump assembly is on the inner support, and the inductive head subassembly communicates with the foam pump and stretches out outside the main part seat, the foam pump includes the pump body and the bubble portion that makes that is used for making the foam, the vertical setting of bubble portion is 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 the inductive head subassembly is connected, the inlet and the stock solution subassembly intercommunication of the pump body. Compared with the prior art, the utility model provides an automatic machine of washing hand of foam type, the vertical setting of bubble portion of making of its foam pump is at pump body lateral part, and compact structure, saves the space that the bubble making ware took the machine of washing hand for in the last time used after the residue flows back the pump body under the action of gravity, avoid it directly to discharge from the pump mouth and cause the waste.

Description

Foam type automatic hand washing machine

Technical Field

The utility model relates to a bathroom accessory technical field mainly relates to an automatic machine of washing hand of foam type.

Background

Along with the improvement of living standard, the hand washing by adopting the hand sanitizer becomes an important cleaning and sanitation mode, the hand sanitizer can play the roles of cleaning, skin care, sterilization and disinfection, people are more and more accepted for foam type bathroom products, and a batch of foam type automatic soap-feeding products are also emerged in the market.

Chinese patent application CN201810767958.1 discloses a general soap dispenser, a foaming cavity communicated with the mixing cavity is arranged above the base, two layers of foaming nets are arranged in the foaming cavity to foam the gas-liquid mixture, the foaming cavity is horizontally arranged, which brings a very serious problem, namely, the residual foam after foaming can only flow back to the pipeline section between the foaming net and the foaming joint or the foaming cavity between the two foaming nets, after being placed for a period of time, the backflow foam can slowly change back to liquid, when the next time of foaming, the residual liquid between the foaming net and the foaming joint directly flows out from the foaming joint without passing through the foaming net, the residual liquid in the foaming cavity between the two foaming nets can be discharged after passing through only one layer of foaming net, in this way, the foam is discharged together with the remaining unfoamed liquid, and the foaming effect is impaired.

In addition, chinese patent CN201620152079.4 discloses a soap dispenser and a foaming device thereof, wherein the foam-making chamber is vertically arranged, the foam outlet is located on the lower cover below, the residual foam after each foam discharge can flow away from the foam outlet under the action of gravity, and the foam cannot flow back to cause great waste of the liquid soap.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a foam type automatic machine of washing hand that vertical, the backward flow of being convenient for of bubble subassembly of making of foam pump.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides an automatic machine of washing hand of foam type, 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 assembles in the main part seat, and the foam pump assembly is on the inner support, and the inductive head subassembly communicates with the foam pump and stretches out outside the main part seat, the foam pump includes the pump body and is used for making the bubble portion of foam, the vertical setting of bubble portion is 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 mouth of bubble portion with the inductive head subassembly is connected, the inlet and the stock solution subassembly intercommunication of the pump body.

Compared with the prior art, the utility model provides an automatic machine of washing hand of foam type, the vertical setting of bubble portion of making of its foam pump is in pump body lateral part, and compact structure, save the space that the bubble making machine took the machine of washing hand for the last time after-use residue flows back to the pump body from the inductive head through making bubble portion under the action of gravity, the gaseous surplus pure liquid that volatilizees in the residue of process a period, when using next time, new gas-liquid mixture drives the last residual liquid and flows through again and makes bubble portion with foaming again, avoided the last pure liquid directly to discharge from the pump export through the bubbling action, ensured the bubbling effect, avoided causing the waste simultaneously.

Preferably, make bubble portion including the body, hollow connecting cylinder and the foaming net of vertical setting, this internal gas-liquid runner that is equipped with, gas-liquid runner make the mixture obtain intensive mixing before making the bubble chamber, and the frothing effect is better, also makes things convenient for the backward flow of remaining mixture simultaneously, it sets up to make the bubble chamber this is internal and passes through the liquid outlet intercommunication of gas-liquid runner and the pump body, the connecting cylinder sets up make the bubble intracavity, the foaming net sets up make bubble chamber both ends, the pump export sets up on the body and with make bubble chamber intercommunication, pump outlet opening upwards.

Preferably, the pump body comprises a diaphragm pump mechanism, a driving assembly and a mixing assembly, the mixing assembly comprises a flow dividing base and a flow dividing cover, the flow dividing cover is connected with the flow dividing base 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 correspondingly communicated with the liquid inlet chamber and the air inlet chamber respectively, the liquid inlet chamber, the air inlet chamber and the mixing chamber are communicated with the diaphragm pump mechanism respectively, 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 on the side part of the diaphragm pump assembly, the body is connected with the flow dividing base to realize the communication of a gas-liquid flow channel and the mixing chamber, so that residues after the last use flow back into the mixing chamber under the action of gravity, and after a period of time, the gas, the new gas-liquid mixture drives the residual liquid of the previous time to flow through the foaming net again so as to be foamed again.

Preferably, in order to facilitate backflow, the side portion of the flow dividing base extends outwards to form a first extending portion, the body is arranged on the first extending portion, the side portion of the flow dividing cover extends outwards to form a second extending portion, when the flow dividing cover is connected with the flow dividing base, the second extending portion and the first extending 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 residues after the last use flow back into the backflow cavity, and when the next use is performed, the gas-liquid mixture from the mixing chamber drives the residual liquid in the backflow cavity in the last time to flow through the foaming cavity again.

Preferably, the first extending 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 fixed in the body, the foam making cavity is formed between the upper portion of the silica gel sleeve and the top of the body, the silica gel sleeve and the outlet pipeline are located in the gas-liquid flow channel, and the silica gel sleeve is used for ensuring the sealing performance of the gas-liquid flow channel.

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 extends into the liquid storage bottle, the opening directions of the liquid inlet and the air inlet are downward, the liquid inlet is connected with the liquid suction channel, the liquid inlet of the foam pump is directly connected with the liquid storage bottle cap, compared with the scheme that the liquid suction inlet of the existing pump is communicated with the liquid storage bottle cap through a rubber pipe, the suction path of the hand sanitizer is greatly shortened; when the liquid storage bottle is connected with the main body seat, a cavity gap is formed, an air inlet is formed in the side portion, corresponding to the cavity gap, of the main body seat, and the air inlet is communicated with the cavity gap, so that the whole hand washing machine system is easy to be designed in a waterproof mode.

Preferably, 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 to be connected with a liquid suction channel of the liquid storage bottle cap.

Preferably, the induction head assembly comprises an induction ball seat, an induction light shield, 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 an outlet of the pump, a foam outlet end of the foam tube is provided with a connecting part, the connecting part is matched with the induction light shield 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 respectively arranged at the other end of the induction ball seat and the induction light shield, the induction circuit board is connected with the induction light shield, the induction circuit board is used for receiving feedback of the induction light shield and controlling starting and stopping of the foam; the induction head assembly is directly connected with the outlet of the pump of the foam pump, so that the output path is shortened to a certain extent, and the sensitivity of the hand washing machine for sensing foam is further improved.

Preferably, the driving assembly comprises a motor and a motor base, the motor is fixedly connected with the motor base, and the diaphragm pump mechanism is arranged in the motor base 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, the leather cup seat is provided with at least one pump liquid cavity and at least one pump air cavity, the leather cup is provided with at least two bowl-shaped bodies corresponding to the pump liquid cavity and the pump air cavity, the lower end of each bowl-shaped body is provided with a push handle, 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 arm is connected with the rotating shaft arm;

in order to realize the unidirectional liquid suction from the liquid inlet and the unidirectional gas suction from the gas inlet of the diaphragm pump mechanism and the unidirectional gas delivery into the mixing chamber, the upper walls of the liquid inlet chamber and the gas inlet chamber of the shunting seat are respectively provided with an inlet check valve, the top of the shunting seat corresponding to the mixing chamber is provided with an outlet check valve, the liquid inlet chamber is communicated with the pump liquid cavity through the inlet check valve, the gas inlet chamber is communicated with the pump gas cavity through the inlet check valve, and the liquid inlet chamber and the gas inlet chamber are communicated with the mixing chamber through the outlet check valve.

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, the diaphragm pump mechanism further comprises a stop ball, and the stop ball is arranged between the top of the shaft groove and the end part of the rotating shaft; the stop ball is arranged to effectively prevent the rotating shaft from retreating, so that the working stability of the rotating shaft is ensured, and the service life of the product is prolonged.

Preferably, be equipped with mutually independent first feed liquor chamber, first intake chamber and first hybrid chamber on the reposition of redundant personnel seat, the reposition of redundant personnel is covered and is equipped with mutually independent second feed liquor chamber, second intake chamber and second hybrid chamber, the reposition of redundant personnel lid with when the reposition of redundant personnel seat is connected, first feed liquor chamber encloses with the second feed liquor chamber and closes and form the feed liquor chamber, first intake chamber and the second intake chamber enclose and close and form the intake chamber, first hybrid chamber encloses with the second hybrid chamber and closes and form the hybrid chamber.

Drawings

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

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

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

fig. 4 is a first cross-sectional view of the present invention;

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

FIG. 6 is an exploded 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 the 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 sectional view of the connection of the shunt base and the shunt cover of the present invention;

fig. 12 is a schematic view of the diverter base of the present invention;

fig. 13 is a schematic view of the cup of the present invention.

Description of reference numerals: the foam production device comprises a main machine 1, a liquid storage assembly 2, a liquid inlet chamber 3, an air inlet chamber 4, a mixing chamber 5, a foam production chamber 6, a backflow chamber 7, a gas-liquid flow channel 8, a main body seat 11, a sensor head assembly 12, a foam pump 13, an inner support 14, a main board 15, a sensor spring 16, a sensor button 111, a mounting hole 112, a sensor ball seat 121, a sensor light cover 122, a foam pipe 123, a sensor circuit board 124, a sensor ball seat cover 125, a connecting part 126, a driving assembly 1301, a diaphragm pump mechanism 1302, a mixing assembly 1303, a motor 1304, a motor seat 1305, a shunt seat 131, a foam production part 132, a shunt cover 133, a first extending part 1311, a first liquid inlet chamber 1312, a first air inlet chamber 1313, a first mixing chamber 1314, an outlet pipeline 1315, a body 1322, a silica gel sleeve 1317, a first backflow groove 1318, a second backflow groove 1319, a connecting cylinder 1321, a foaming net, a liquid inlet pump outlet 1331, an air inlet 1332, a second air inlet, The second extension part 1337, the battery chamber 141, the inner frame 142, the inner frame cover 143, the battery cover 144, the electric connection part 145, the liquid storage bottle 21, the liquid inlet suction pipe 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 leather cup 94, the leather cup seat 95, the inlet check valve 96, the outlet check valve 97, the stop ball 98, the shaft groove 911, the umbrella-shaped push-pull component 931, the bowl-shaped body 941, the push handle 942, the pump liquid cavity 951, the pump gas cavity 952,

Detailed Description

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

Referring to fig. 1 to 13, a foam type automatic hand washer comprises a main machine 1 and a liquid storage assembly 2, wherein the main machine 1 comprises a main body seat 11, an induction head assembly 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 induction head assembly 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, specifically, the pump body comprises a driving assembly 1301, a diaphragm pump mechanism 1302 and a mixing assembly 1303, the mixing assembly 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, and 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 outside the diaphragm pump can respectively flow 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 flow dividing cover 133 is provided with a liquid inlet 1331 and an air inlet 1332 which are respectively communicated with the liquid inlet chamber 3 and the air inlet chamber 4 correspondingly, the liquid inlet 1331 is communicated with the liquid storage assembly 2, the bubble making part 132 is vertically arranged on the side part of the diaphragm pump assembly 1302, and the bubble making part 132 is provided with an outlet 1333 connected with the induction head assembly 12.

The foaming part 132 comprises a vertically arranged body 1316, a hollow connecting cylinder 1321 and a foaming net 1322, wherein a gas-liquid flow passage 8 is arranged in the body 1316, the gas-liquid flow passage 8 enables the mixture to be fully mixed before passing through a foaming cavity 6, the foaming effect is better, and meanwhile, the backflow of the residual mixture is facilitated, the foaming cavity 6 is arranged in the body 1316 and is communicated with a mixing chamber 5 through the gas-liquid flow passage 8, the connecting cylinder 1321 is arranged in the foaming cavity 6, the foaming net 1322 is arranged at two ends of the foaming cavity 5 and is fixed at two ends of the connecting cylinder 1321, the pump outlet 1333 is arranged on the body 1316 and is communicated with the foaming cavity 6, and the pump outlet 1333 is opened upwards.

Compared with the prior art, the utility model provides an automatic machine of washing hand of foam type, the vertical setting of mixing assembly 1303 of its foam pump 13, and pump export 1333 up, make after last use the residue flow back under the action of gravity in mixing chamber 5, the remaining pure liquid of gas volatilization in the residue of process a period, when using next time, new gas-liquid mixture drives the last remaining liquid and flows through again and make bubble chamber 6, foam again through foaming network structure 132, avoided liquid not directly to discharge from pump export 1333 through foaming network structure 132, the bubbling effect has been ensured, avoided causing the waste simultaneously.

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

Specifically, a first liquid inlet cavity 1312, a first gas inlet cavity 1313 and a first mixing cavity 1314 which are independent from each other are arranged on the flow dividing seat 131, a second liquid inlet cavity 1334, a second gas inlet cavity 1335 and a second mixing cavity 1336 which are independent from each other are arranged on the flow dividing cover 133, a first backflow groove 1318 is arranged on the first extending portion 1311, a second backflow groove 1319 is arranged on the second extending portion 1337, when the flow dividing cover 133 is connected with the flow dividing seat 131, the first liquid inlet cavity 1312 and the second liquid inlet cavity 1334 are enclosed to form the liquid inlet cavity 3, the first gas inlet cavity 1313 and the second gas inlet cavity 1335 are enclosed to form the gas inlet cavity 4, the first mixing cavity 1314 and the second mixing cavity 1336 are enclosed to form the mixing cavity 5, and the first backflow groove 1318 and the second backflow groove 1319 are enclosed to form the backflow cavity 1317.

Referring to fig. 3 to 5, in a preferred embodiment, the main body 1 further includes a main board 15 and an induction spring 16, the main body seat 11 is provided with an induction 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 induction spring 16 is inductively connected with the main board 15, the other end of the induction spring is connected with the button, and the main board 15 is used for controlling the hand washing machine to enter a standby state.

Referring to fig. 6 to 11, in a preferred embodiment, the first extending portion 1311 extends upward to form an outlet pipe 1315, the bubble making portion 132 further includes a hollow silicone sleeve 1317, the silicone sleeve 1317 is sleeved outside the outlet pipe 1315 and fixed inside the body 1316, the bubble making cavity 6 is formed above the silicone sleeve 1317 and at the top of the body 1316, the silicone sleeve 1317 and the outlet pipe 1315 are located inside the gas-liquid flow passage 8, and the sealing performance of the gas-liquid flow passage 8 can be ensured by the silicone sleeve 1317. In this embodiment, the flow dividing seat 131, the first extension part 1311 and the outlet pipe 1315 are integrated, and the flow dividing cover 133 and the second extension part 1337 are integrated; the connector 1321 is compressed between the upper end of the silicone sleeve 1317 and the top of the body 1316

Referring to fig. 3 to 6, in a preferred embodiment, the liquid storage assembly 2 comprises a liquid storage bottle 21, a liquid inlet suction pipe 22 and a liquid storage bottle cap 23 connected with the liquid storage bottle 21, the liquid storage bottle 21 is connected with 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 suction pipe 22 is communicated with the liquid suction channel 231, the other end of the liquid inlet suction pipe extends into the bottom of the liquid storage bottle 2, the liquid inlet 1331 and the air inlet 1332 are downward in opening direction, 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, compared with the existing scheme that the liquid inlet of the pump is communicated with the liquid storage bottle cap through a rubber pipe, the hand sanitizer suction path is; 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 arranged on 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 washer system is easier to be designed in a waterproof mode.

Referring to fig. 3 to 5, in a preferred embodiment, the battery receiving cavity 141 is formed on the inner bracket 14, the inner bracket 14 is assembled in the main body seat 11, the foam pump 13 is assembled on the inner bracket 14, and the liquid inlet 1331 of the foam pump 13 extends out of the lower end of the inner bracket 14 to be connected with the liquid suction channel 231 of the liquid bottle cap 23, so that the structure is simple and the assembly is convenient. In this embodiment, the inner rack 14 includes an inner rack 142, an inner rack cover 143, and a battery cover 144, the battery cavity 141 is disposed on the inner rack 142, the foam pump 13 is snap-fitted on the inner rack 142 and located at a side of the battery cavity 141, the inner rack cover 143 is fixedly connected to an upper end of the inner rack 142 by a screw, the inner rack 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, the battery cover 144 is detachably connected to a lower end of the inner rack 142, and the battery cover 144 is provided with a liquid passing hole (not shown in the drawings) and an air passing hole (not shown in the drawings) through which the liquid inlet 1331 and the air inlet 1332 of the.

Referring to fig. 2 to 4, in a preferred embodiment, the sensing head assembly 12 includes a sensing ball seat 121, a sensing light shield 122, a foam tube 123, a sensing circuit board 124 and a sensing ball seat cover 125, a bubble inlet end of the foam tube 123 is connected to the pump outlet 1333, a bubble outlet end is provided with a connecting portion 126, the connecting portion 126 is connected to the sensing light shield 122 in a matching manner and fixed on the sensing ball seat 121, the main body seat 11 is provided with an assembly hole 112, one end of the sensing 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, the other end of the sensing ball seat 121 and the sensing light shield 122 are both provided with a foam outlet corresponding to the bubble outlet end, the sensing circuit board 124 is connected to the sensing light shield 122, and the sensing circuit board 124 is used for receiving feedback of the sensing light shield; the induction ball seat cover 125 is fixedly connected with the induction ball seat 121, and the induction 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 washing machine for sensing foam is further improved. In this embodiment, the foam outlet end of the foam pipe 123 is higher than the foam inlet end of the foam pipe 123, and the pump outlet 1333 of the foam pump 13 is lower than the foam inlet end of the foam pipe 123, so that the bottom-up output mode is designed to further facilitate the backflow of the hand sanitizer after the foam is dissipated.

In a preferred embodiment, the driving assembly 1301 comprises a motor 1304 and a motor base 1305, the motor 1304 is fixedly connected with the motor base 1305, and the diaphragm pump mechanism 1302 is arranged in the motor base 1305 and is in transmission 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 leather cup 94 and a leather cup seat 95, one end of the leather cup seat 95 is connected to the motor seat 1305, the other end of the leather cup seat is connected to the flow dividing seat 131, the leather cup seat 95 is provided with at least one pump fluid cavity 951 and at least one pump air cavity 952, the leather cup 94 is provided with at least two bowl bodies 941 corresponding to the pump fluid cavity 951 and the pump air cavity 952, the lower end of the bowl body 941 is provided with a push handle 942, the leather cup 94 is arranged in the leather cup seat 95, the eccentric shaft 91 is connected to the output end of the motor 1304, one end of the rotating shaft 92 is connected to the eccentric shaft 91, the other end of the rotating shaft arm 93 is connected to the rotating shaft arm 93, and the rotating shaft arm 93; in this embodiment, be equipped with two pump air cavities 952 and a pump liquid cavity 951 on the leather cup seat 95, it is equipped with three bowl 941 to correspond on the leather cup 94 for liquid and gas mixture's proportion is better.

In order to realize the unidirectional liquid suction from the liquid inlet 1331 and the unidirectional gas suction from the gas inlet 1332 of the diaphragm pump mechanism 1302 and the unidirectional gas delivery into the mixing chamber 5, the upper walls of the liquid inlet chamber 3 and the gas inlet chamber 4 of the flow dividing seat 131 are both provided with inlet check valves 96, the top of the mixing chamber 5 corresponding to the flow dividing seat 131 is provided with an outlet check valve 97, the liquid inlet chamber 3 is communicated with the pump liquid chamber 951 through the inlet check valve 96, the gas inlet chamber 4 is communicated with the pump gas chamber 952 through the inlet check valve 96, and the liquid inlet chamber 3 and the gas inlet chamber 4 are communicated with the mixing chamber 5 through the outlet check valve 97.

In a preferred embodiment, the eccentric shaft 91 is provided with a shaft groove 911 with an open 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 stop ball 98 is arranged to effectively prevent the rotating shaft 92 from retreating, so that the working stability of the rotating shaft 92 is ensured, and the service life of the product is prolonged.

The working principle of the present invention is described below with reference to the accompanying drawings 1 to 13:

when the hand washing machine works, the hand washing machine enters a standby state by pressing the button, when the induction light shield 122 induces hands, the hands are fed back to the induction circuit board 124, the induction 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 the bowl-shaped bodies 941 are pressed and pulled back in turn under the matching of the umbrella-shaped push-pull piece 931 and the push handle 942, so that liquid feeding and discharging and air feeding and discharging are completed; the gas enters the gas inlet chamber 4 of the shunt seat 131 from the gas inlet 1332 and flows to the pump liquid cavity 951, the liquid enters the liquid inlet chamber 3 of the shunt seat 131 from the liquid inlet 1331 and flows to the pump gas cavity 952, then the liquid and the gas are sent into the mixing chamber 5 through the outlet check valve 97, when the liquid and the gas are continuously sent into the mixing chamber 5 by the diaphragm pump mechanism 1302, the pressure in the mixing chamber 5 is increased, the liquid and the gas are forced to flow through the backflow cavity 7 and the gas-liquid flow channel 8 in sequence to enter the bubble making cavity 6, and the liquid and the gas are fully foamed and combined through the two layers of foaming nets 1322 in the bubble making cavity 6 to form foam, and then the foam enters the pump outlet 1333 and is discharged from the.

When the motor 130411 stops operating, the residue which is not discharged flows back to the backflow cavity 7 at the bottom of the gas-liquid flow channel 8 under the action of gravity, and the gas in the residue volatilizes the residual pure liquid after a period of time, when the motor is used for the next time, the gas-liquid mixture from the mixing chamber 5 drives the last residual liquid to flow through the foaming cavity 6 again and foam again through the foaming net 1322, so that the situation that the liquid is directly discharged from the pump outlet 1333 without foaming action is avoided, the foaming effect is ensured, and meanwhile, the waste is avoided.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims (12)

1. The utility model provides an automatic machine of washing hand of foam type, its includes host computer and stock solution subassembly, the host computer includes main part seat, induction head subassembly, foam pump and inner support, and the inner support assembly is in the main part seat, and the foam pump assembly is on the inner support, and the induction head subassembly communicates with the foam pump and stretches out outside the main part seat its characterized in that: the foam pump includes the pump body and is used for making the bubble portion of foam, the vertical setting of bubble portion is 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 export of bubble portion with the inductive head subassembly is connected, the inlet and the stock solution subassembly intercommunication of the pump body.

2. Foam-type automatic hand washer according to claim 1, characterized in that: the foaming part comprises a vertically arranged body, a hollow connecting cylinder and a foaming net, a gas-liquid flow channel is arranged in the body, a foaming cavity is arranged in the body and is communicated with a liquid outlet of the pump body through the gas-liquid flow channel, the connecting cylinder is arranged in the foaming cavity, the foaming net is arranged at two ends of the foaming cavity, the pump outlet is arranged on the body and is communicated with the foaming cavity, and the pump outlet is opened upwards.

3. Foam-type automatic hand washer according to claim 2, characterized in that: the pump body includes diaphragm pump mechanism, drive assembly and mixing assembly, mixing assembly is including reposition of redundant personnel seat and reposition of redundant personnel lid, the reposition of redundant personnel lid with reposition of redundant personnel seat is connected and is formed feed liquor room, air inlet chamber and mixing chamber, the reposition of redundant personnel is covered and is equipped with inlet and the air inlet that corresponds the intercommunication with feed liquor room and air inlet chamber respectively, feed liquor room, air inlet chamber and mixing chamber respectively with diaphragm pump mechanism intercommunication to make outside gas and liquid follow respectively behind feed liquor room, the air inlet chamber entering diaphragm pump mechanism again the mixing chamber is discharged, it vertically sets up in the diaphragm pump assembly lateral part to make bubble portion, the body is connected with reposition of redundant personnel seat.

4. A foam-type automatic hand washer according to claim 3, characterized in that: the shunt base side outwards extends to form a first extension portion, the body is arranged on the first extension portion, the shunt cover side outwards extends to form a second extension portion, when the shunt cover is connected with the shunt base, 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.

5. Foam-type automatic hand washer according to claim 4, characterized in that: the first extending portion extends upwards to form an outlet pipeline, the foaming portion further comprises a hollow silica gel sleeve, the silica gel sleeve is sleeved outside the outlet pipeline and fixed in the body, the foaming cavity is formed between the upper portion of the silica gel sleeve and the top of the body, and the silica gel sleeve and the outlet pipeline are located in the gas-liquid flow channel.

6. Foam-type automatic hand washer according to claim 1, characterized in that: the stock solution subassembly includes stock solution bottle, feed liquor straw and the stock solution bottle lid of being connected with the stock solution bottle, the stock solution bottle is connected with the main part seat, the stock solution bottle lid is equipped with the imbibition passageway, feed liquor straw one end and imbibition passageway intercommunication, in the other end stretches into the stock solution bottle, the opening direction of inlet and air inlet is downward, and the inlet is connected with the imbibition passageway, forms the cavity clearance when stock solution bottle is connected with the main part seat, and the main part seat corresponds the lateral part in cavity clearance is equipped with the inlet port, the air inlet with the cavity clearance intercommunication.

7. Foam-type automatic hand washer according to claim 6, characterized in that: 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 to be connected with a liquid suction channel of the liquid storage bottle cap.

8. Foam-type automatic hand washer according to claim 1, characterized in that: the response head subassembly includes response ball seat, response light shield, foam pipe, response circuit board and response ball seat lid, the foam pipe advance the bubble end with pump exit linkage, go out the bubble end and be equipped with connecting portion, connecting portion are connected and are fixed on the response ball seat with the response light shield is supporting, the one end of response ball seat is fixed in the main part seat, and outside the other end stretched out the main part seat, the other end of response ball seat and response light shield all are equipped with the foam export that corresponds with play bubble end, response circuit board is connected with the response light shield, and response circuit board is used for accepting the feedback of response light shield and controlling opening of foam pump and stops response ball seat lid and response ball seat fixed connection.

9. A foam-type automatic hand washer according to claim 3, characterized in that: the driving assembly comprises a motor and a motor base, the motor is fixedly connected with the motor base, and the diaphragm pump mechanism is arranged in the motor base 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, the leather cup corresponds to the pump liquid cavity and the pump air cavity and is provided with at least two bowl-shaped bodies, the lower end of each bowl-shaped body is provided with a push handle, 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 arm is connected with the rotating shaft arm.

10. Foam-type automatic hand-washing machine according to claim 9, characterized in that: the upper walls of the liquid inlet chamber and the air inlet chamber of the flow dividing seat are respectively provided with an inlet check valve, the top of the mixing chamber on the flow dividing seat is provided with an outlet check valve, the liquid inlet chamber is communicated with the liquid pumping cavity through the inlet check valve, the air inlet chamber is communicated with the air pumping cavity 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.

11. Foam-type automatic hand-washing machine according to claim 9, characterized in that: 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, the diaphragm pump mechanism further comprises a stop ball, and the stop ball is arranged between the top of the shaft groove and the end part of the rotating shaft.

12. A foam-type automatic hand washer according to claim 3, characterized in that: be equipped with mutually independent first feed liquor chamber, first chamber and the first hybrid chamber of admitting air on the reposition of redundant personnel seat, the reposition of redundant personnel is covered and is equipped with mutually independent second feed liquor chamber, second chamber and the second hybrid chamber of admitting air, the reposition of redundant personnel lid with when the reposition of redundant personnel seat is connected, first feed liquor chamber encloses with the second feed liquor chamber and closes and form the feed liquor chamber, first chamber of admitting air and the second chamber of admitting air enclose and close and form the chamber of admitting air, first hybrid chamber encloses with the second hybrid chamber and closes and form the hybrid chamber.

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