CN213385591U - Foam pump - Google Patents

Abstract

The utility model provides a foam pump, it is including the bubble subassembly, diaphragm pump mechanism and the drive assembly that make that connect gradually, make the bubble subassembly including reposition of redundant personnel seat, foaming net structure 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 mix and make the room, feed liquor room, air inlet chamber and mix make the room respectively with diaphragm pump mechanism intercommunication to make outside gas and liquid follow again after getting into diaphragm pump mechanism from feed liquor room, air inlet chamber respectively the mix and make the room and discharge, foaming net structure sets up mix and make in the bubble room. Compared with the prior art, the utility model provides a foam pump, its mixing of setting make the room be equivalent to with the foaming net structure integrated to the mixing chamber in for the mixing makes the room integrated mix and the function of making the bubble, makes the product structure compacter, has reduced the volume of foam pump, thereby reduces its space size that occupies the hand washer, saves the hand washer space.

Description

Foam pump

Technical Field

The utility model relates to a bathroom accessory technical field mainly relates to a foam pump.

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, protecting skin, sterilizing and disinfecting, and a batch of foam type automatic soap-feeding products emerge in the market in order to meet the current market demand. The products generally utilize a motor to drive a leather cup to alternately press and pull up through an eccentric wheel so as to finish the actions of sucking liquid and air.

At present, the foam pump of most hand washer products in the market all is equipped with the mixing chamber and the foaming chamber that set up alone and communicate each other, and the foam is produced in the foaming chamber that flows through after liquid soap and air get into the mixing chamber earlier and mix, consequently, this kind of foaming chamber and mixing chamber detached structure can make the foam pump inevitably set for great at foaming position department structure, lead to the foam pump to occupy the inside more space of hand washer, thereby lead to the volume of hand washer too big, and, the foam outlet of current foam pump transversely sets up or the opening is down, the foam of participating in after appearing the bubble at every turn can flow away from the foam export by the action of gravity, can not flow back and cause the waste of liquid soap.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a compact structure's foam pump.

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

a foam pump comprises a foam making assembly, a diaphragm pump mechanism and a driving assembly which are connected in sequence, wherein the foam making assembly comprises a flow dividing seat, a foam generating net structure and a flow dividing cover, the flow dividing cover is connected with the flow dividing seat to form a liquid inlet chamber, a gas inlet chamber and a mixing foam making chamber, the liquid inlet chamber, the gas inlet chamber and the mixing foam making chamber are respectively communicated with the diaphragm pump mechanism, so that external gas and liquid are respectively discharged from the mixing foam making chamber after entering the diaphragm pump mechanism from the liquid inlet chamber and the gas inlet chamber, and the foam generating net structure is arranged in the mixing foam making chamber.

Compared with the prior art, the utility model provides a foam pump, its mixing of setting make the room be equivalent to with the foaming net structure integrated to the mixing chamber in for the mixing makes the room integrated mix and the function of making the bubble, makes the product structure compacter, has reduced the volume of foam pump, thereby reduces its space size that occupies the hand washer, saves the hand washer space.

Preferably, be equipped with first feed liquor chamber, first air inlet chamber and the first mixed bubble making chamber of mutual independence on the reposition of redundant personnel seat, the reposition of redundant personnel is covered and is equipped with the second feed liquor chamber, the second air inlet chamber and the mixed bubble making chamber of mutual independence of second, the reposition of redundant personnel is covered and is equipped with the bellying, the mixed bubble making chamber of second extends to in the bellying, when reposition of redundant personnel lid with 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 air inlet chamber encloses with the second air inlet chamber and closes and form the air inlet chamber, first mixed bubble making chamber encloses with the second mixed bubble making chamber and closes and form the mixed bubble making chamber.

Preferably, be equipped with inlet and the air inlet that corresponds the intercommunication with feed liquor room and inlet chamber respectively on the reposition of redundant personnel lid, the bellying upper end is equipped with the pump export, the opening of pump export makes progress, sets up upwards through pump export opening, effectively prevents the waste of liquid soap, and makes things convenient for liquid soap backward flow, secondary foaming.

Preferably, the foaming net structure includes that first bubble is netted and the second is frothed and is netted, first bubble is netted for circular concave station column structure together, and its bottom side is equipped with a plurality of meshs, the second is frothed the net and is drawn together hollow connecting cylinder, the connecting cylinder both ends respectively are equipped with one deck foaming net, first bubble is netted and is established the lower extreme that the second was frothed the net through its concave station column structure cover, and a plurality of meshs and second are frothed the net intercommunication for liquid and gas intensive mixing when being netted through first bubble and second and being frothed to export from the pump.

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.

Preferably, diaphragm pump mechanism includes eccentric shaft, pivot arm, leather cup and leather cup seat, the one end and the motor cabinet of leather cup seat are connected, and the other end is connected with the reposition of redundant personnel seat, be equipped with at least one pump sap cavity and at least one pump air cavity on the leather cup seat, pump sap cavity and feed liquor room intercommunication, pump air cavity and air inlet chamber intercommunication, leather cup correspond pump sap cavity and pump air cavity and are equipped with two at least bowl bodies, and the lower extreme of bowl body is equipped with and pushes away the handle, the leather cup is located in the leather cup seat, the eccentric shaft is connected with the output of motor, and the one end and the eccentric shaft of pivot are connected, and the other end is connected with the pivot arm, be equipped with on the pivot arm and push away the umbrella-pull piece that the handle is connected.

When the automatic liquid feeding and discharging device works, the motor drives the eccentric shaft to rotate, the eccentric shaft drives the rotating shaft arm and the leather cup to swing back and forth through the rotating shaft, and the bowl-shaped bodies are pressed and pulled back in turn under the matching of the umbrella-shaped pushing and pulling piece and the pushing handle, so that liquid feeding and discharging and air feeding and discharging are completed.

Preferably, 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 and bubbling chamber, the lower walls of the liquid inlet chamber and the gas inlet chamber of the flow dividing seat are respectively provided with an inlet check valve, the flow dividing seat is provided with an outlet check valve corresponding to the bottom of the mixing and bubbling chamber, 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 and bubbling chamber through the outlet check valve.

Preferably, the eccentric shaft is provided with a shaft groove, 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 bottom 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, the leather cup seat is provided with two pump air cavities and one pump liquid cavity, and the leather cup is correspondingly provided with three bowl bodies, so that the mixing ratio of liquid and gas is better.

Preferably, for the convenience of assembly, the shunt cover and the shunt base are in sealing connection through a screw or a buckling mode.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is an exploded view of the first embodiment of the present invention;

FIG. 3 is a second exploded view of the present invention;

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

FIG. 5 is an enlarged view of a portion of the structure of FIG. 4;

FIG. 6 is an enlarged view of area A of FIG. 4;

FIG. 7 is a schematic view of the assembly of the flow divider base with the inlet check valve and the outlet check valve of the present invention;

fig. 8 is a schematic view of the cup of the present invention.

Description of reference numerals: the bubble making assembly 1, the diaphragm pump mechanism 2, the driving assembly 3, the mixing bubble making chamber 4, the shunt seat 11, the foaming net structure 12, the shunt cover 13, the liquid inlet chamber 111, the gas inlet chamber 112, the first liquid inlet chamber 101, the first gas inlet chamber 102, the first mixing bubble making chamber 103, the first foaming net 121, the second foaming net 122, the connecting cylinder 123, the foaming net 124, the liquid inlet 131, the gas inlet 132, the pump outlet 133, the bulge 134, the second liquid inlet chamber 135, the second gas inlet chamber 136, the second mixing bubble making chamber 137, the pump liquid chamber 201, the pump gas chamber 202, the eccentric shaft 21, the rotating shaft 22, the rotating shaft arm 23, the leather cup 24, the leather cup seat 25, the inlet check valve 26, the outlet check valve 27, the stop ball 28, the shaft groove 211, the umbrella-shaped push-pull member 231, the bowl-shaped body 241, the push handle 242, the motor 31, the motor seat 32,

Detailed Description

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

Referring to fig. 1 to 8, a foam pump comprises a foam making assembly 1, a diaphragm pump mechanism 2 and a driving assembly 3, which are connected in sequence, wherein a pump liquid cavity 201 and a pump air cavity 202 are arranged on the diaphragm pump mechanism 2, the foam making assembly 1 comprises a shunt base 11, a foaming net structure 12 and a shunt cover 13, the shunt base 11 is connected with the diaphragm pump mechanism 2, a liquid inlet chamber 111 and a gas inlet chamber 112 which are respectively and correspondingly communicated with the pump liquid cavity 201 and the pump air cavity 202 are arranged on the shunt base 11, the shunt cover 13 is connected with the shunt base 11 to form a mixing foam making chamber 4, a liquid inlet 131 and a gas inlet 132 which are respectively and correspondingly communicated with the liquid inlet chamber 111 and the gas inlet chamber 112 and a pump outlet 133 which is correspondingly communicated with the mixing foam making chamber 4 are arranged on the shunt cover 13, the driving assembly 3 drives the diaphragm pump mechanism 2 to suck liquid in a single direction from the liquid inlet 131, suck gas in a single direction from the gas, the frothing net structure 12 is mounted in the mixing brewing chamber 4.

Specifically, the driving assembly 3 includes a motor 31 and a motor base 32, the motor 31 is fixedly connected to the motor base 32, and the diaphragm pump mechanism 2 is disposed in the motor base 32 and is in transmission connection with the motor 31; the diaphragm pump mechanism 2 comprises an eccentric shaft 21, a rotating shaft 22, a rotating shaft arm 23, a leather cup 24 and a leather cup seat 25, one end of the leather cup seat 25 is connected with a motor seat 32, the other end of the leather cup seat is connected with a shunt seat 11, the leather cup seat 25 is provided with at least one pump liquid cavity 201 and at least one pump air cavity 202, the leather cup 24 is provided with at least two bowl-shaped bodies 241 corresponding to the pump liquid cavity 201 and the pump air cavity 202, the lower end of the bowl-shaped body 241 is provided with a push handle 242, the leather cup 24 is arranged in the leather cup seat 25, the eccentric shaft 21 is connected with the output end of a motor 31, one end of the rotating shaft 22 is connected with the eccentric shaft 21, the other end of the rotating shaft arm 23 is connected with the rotating shaft arm 23, and the rotating shaft.

The flow distribution base 11 is provided with a first liquid inlet cavity 101, a first gas inlet cavity 102 and a first mixed bubble making cavity 103 which are independent of each other, the flow distribution cover 13 is provided with a second liquid inlet cavity 135, a second gas inlet cavity 136 and a second mixed bubble making cavity 137 which are independent of each other, the upper side of the flow distribution cover 13 is provided with a convex part 134, the second mixed bubble making cavity 137 extends into the convex part 134, when the flow distribution cover 13 is connected with the flow distribution base 11, the first liquid inlet cavity 101 and the second liquid inlet cavity 135 are enclosed to form the liquid inlet cavity 111, the first gas inlet cavity 102 and the second gas inlet cavity 136 are enclosed to form the gas inlet chamber 112, and the first mixed bubble making cavity 103 and the second mixed bubble making cavity 137 are enclosed to form the mixed bubble making chamber 4. In this embodiment, the pump outlet 133 is disposed at the upper end of the raised portion 134, and the opening of the pump outlet 133 is upward.

The lower walls of the liquid inlet chamber 111 and the air inlet chamber 112 of the flow dividing seat 11 are both provided with inlet check valves 26, the flow dividing seat 11 is provided with outlet check valves 27 corresponding to the bottoms of the mixing and bubbling chambers 4, the liquid inlet chamber 111 is communicated with the pump liquid chamber 201 through the inlet check valves 26, the air inlet chamber 112 is communicated with the pump air chamber 202 through the inlet check valves 26, and the liquid inlet chamber 111 and the air inlet chamber 112 are communicated with the mixing and bubbling chambers 4 through the outlet check valves 27; thus, the liquid in the liquid inlet chamber 111 can only flow from the liquid inlet chamber 111 to the pumping liquid chamber 201, the gas in the gas inlet chamber 112 can only flow from the gas inlet chamber 112 to the pumping gas chamber 202, and the liquid/gas in the pumping liquid chamber 201 and the pumping gas chamber 202 can only flow from the pumping chamber to the mixing chamber.

When the automatic feeding and discharging device works, the motor 31 drives the eccentric shaft 21 to rotate, the eccentric shaft 21 drives the rotating shaft arm 23 and the leather cup 24 to swing back and forth through the rotating shaft 22, and the bowl bodies 241 are pressed and pulled back in turn under the matching of the umbrella-shaped push-pull piece 231 and the push handle 242, so that liquid feeding and discharging and air feeding and discharging are completed; gas enters the gas inlet chamber 112 of the shunting seat 11 from the gas inlet 132 and flows towards the pump liquid chamber 201, liquid enters the liquid inlet chamber 111 of the shunting seat 11 from the liquid inlet 131 and flows towards the pump gas chamber 202, then the liquid and the gas are sent into the mixing and foaming chamber 4 through the outlet check valve 27, when the liquid and the gas are continuously sent into the mixing and foaming chamber 4 by the diaphragm pump mechanism 2, the pressure in the mixing and foaming chamber 4 is increased, and the liquid and the gas are forced to be mixed to form foam through the foaming net structure 12 in the mixing and foaming chamber 4 and enter the pump outlet 133.

Compared with the prior art, the utility model provides a foam pump, its mixed bubble making room 4 that sets up is equivalent to and has integrateed the mixing chamber with foaming net structure 12 for mix the function of making bubble 4 integration mixing and making bubble, make the product structure compacter, reduced the volume of foam pump, thereby reduce its space size that occupies the hand washer, save the hand washer space; in addition, set up upwards through pump export 133 opening, effectively prevent the waste of liquid soap, and make things convenient for the liquid soap backward flow, the secondary foams.

Referring to fig. 2, 7 and 8, in a preferred embodiment, two pumping chambers 202 and a pumping liquid chamber 201 are arranged on the cup seat 25, and three bowls 241 are correspondingly arranged on the cup 24, so that the mixing ratio of liquid and gas is better.

Referring to fig. 3 and 5, in a preferred embodiment, the foaming net structure 12 includes a first foaming net 121 and a second foaming net 122, the first foaming net 121 is a circular concave structure with a plurality of mesh holes on the bottom side, the second foaming net 122 includes a hollow connecting cylinder 123, a layer of foaming net 124 is respectively arranged on both ends of the connecting cylinder 123, the first foaming net 121 is sleeved on the lower end of the second foaming net 122 through the concave structure, and the plurality of mesh holes are communicated with the second foaming net 122, so that liquid and gas are fully mixed when passing through the first foaming net 121 and the second foaming net 122 and are output from the pump outlet 133. In this embodiment, the first blister web 121 and the connecting cylinder 123 are plastic.

Referring to fig. 6, in a preferred embodiment, the eccentric shaft 21 is provided with a shaft groove 211, one end of the rotating shaft 22 is arranged in the shaft groove 211, the diaphragm pump mechanism 2 further comprises a stop ball 28, and the stop ball 28 is arranged between the bottom of the shaft groove 211 and the end of the rotating shaft 22; set up the ball 28 of stopping the position and prevent effectively that pivot 22 from receding, guaranteed the job stabilization nature of pivot 22, and the ball 28 of stopping the position has certain hardness, can survive the wearing and tearing of pivot 22, increases product life.

In a preferred embodiment, the shunt cover 13 and the shunt base 11 are hermetically connected by screws.

In other embodiments, the shunt cover 13 and the shunt base 11 may be connected in a sealing manner by a snap-fit manner.

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 (10)

1. The utility model provides a foam pump, its includes bubble making subassembly, diaphragm pump mechanism and the drive assembly that connects gradually, its characterized in that: the bubble making assembly comprises a shunting seat, a bubble forming net structure and a shunting cover, wherein the shunting cover is connected with the shunting seat to form a liquid inlet chamber, a gas inlet chamber and a mixing bubble making chamber, the liquid inlet chamber, the gas inlet chamber and the mixing bubble making chamber are respectively communicated with the diaphragm pump mechanism, so that external gas and liquid are respectively discharged from the mixing bubble making chamber after entering the diaphragm pump mechanism from the liquid inlet chamber and the gas inlet chamber, and the bubble forming net structure is arranged in the mixing bubble making chamber.

2. The foam pump of claim 1 wherein: the novel liquid distributor is characterized in that a first liquid inlet cavity, a first air inlet cavity and a first mixed foam making cavity which are independent of each other are arranged on the flow distribution seat, a second liquid inlet cavity, a second air inlet cavity and a second mixed foam making cavity which are independent of each other are arranged on the flow distribution cover, a protruding portion is arranged on the flow distribution cover, the second mixed foam making cavity extends into the protruding portion, the flow distribution cover is connected with the flow distribution seat, the first liquid inlet cavity and the second liquid inlet cavity are enclosed to form the liquid inlet chamber, the first air inlet cavity and the second air inlet cavity are enclosed to form the air inlet chamber, and the first mixed foam making cavity and the second mixed foam making cavity are enclosed to form the mixed foam making chamber.

3. The foam pump of claim 2 wherein: 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, the bellying upper end is equipped with the pump mouth, the opening of pump mouth upwards.

4. The foam pump of claim 1 wherein: the foaming net structure comprises a first foaming net and a second foaming net, the first foaming net is of a circular concave table-shaped structure, a plurality of meshes are arranged at the bottom side of the first foaming net, the second foaming net comprises a hollow connecting cylinder, a layer of foaming net is arranged at each of the two ends of the connecting cylinder, the first foaming net is sleeved at the lower end of the second foaming net through the concave table-shaped structure of the first foaming net, and the meshes are communicated with the second foaming net.

5. The foam pump of claim 1 wherein: 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.

6. The foam pump of claim 5 wherein: 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 pump liquid cavity is communicated with the liquid inlet chamber, the pump air cavity is communicated with the air inlet chamber, 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 the bowl-shaped bodies 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 is.

7. The foam pump of claim 6 wherein: the lower 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 bottom of the mixing and bubbling chamber on the flow dividing seat is provided with an outlet check valve, the liquid inlet chamber is communicated with the pump liquid chamber through the inlet check valve, the air inlet chamber is communicated with the pump air chamber through the inlet check valve, and the liquid inlet chamber and the air inlet chamber are communicated with the mixing and bubbling chamber through the outlet check valve.

8. The foam pump of claim 6 wherein: the eccentric shaft is provided with a shaft groove, 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 bottom of the shaft groove and the end part of the rotating shaft.

9. The foam pump of claim 6 wherein: the cup seat is provided with two pump air cavities and a pump liquid cavity, and the cup is correspondingly provided with three bowl-shaped bodies.

10. The foam pump of claim 1 wherein: the shunt cover is hermetically connected with the shunt seat through a screw or a buckling mode.

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