CN214906284U

CN214906284U - Foam generating device

Info

Publication number: CN214906284U
Application number: CN202120640957.8U
Authority: CN
Inventors: 王惜瑢; 邱卫东; 刘通
Original assignee: Shanghai Libao Industrial Co ltd
Current assignee: Shanghai Libao Industrial Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-11-30
Anticipated expiration: 2031-03-30

Abstract

The application relates to the field of household appliances, in particular to a foam generating device, which comprises a machine body, wherein the machine body comprises a shell with a downward opening and a machine core arranged in the shell; the fixed support is arranged in the shell and is positioned at the bottom of the movement; the liquid storage bottle is arranged at the bottom of the fixed support and is detachably connected with the fixed support; the liquid storage bottle comprises a liquid storage bottle body, a fixing support and a liquid outlet hole, wherein the liquid storage bottle body is provided with a liquid outlet hole and an air vent, the top of the air vent is provided with an annular flange which is abutted to the bottom of the fixing support, an air vent groove is formed in the annular flange, and external air sequentially enters the liquid storage bottle body through the air vent groove and the air vent. The problem of internal and external air pressure balance in the use process of the liquid storage bottle is solved by arranging the annular flange on the vent hole and arranging the vent groove.

Description

Foam generating device

Technical Field

The application relates to the field of household appliances, in particular to a foam generating device.

Background

In daily life, hands are often required to be cleaned, infection of bacteria and the like is reduced, and therefore sanitation and health of people are improved.

The existing foam generating device is a device for mixing hand sanitizer and air into foam, the upper half part is a machine body, the lower half part is a liquid storage bottle for storing the hand sanitizer, and a pump in the machine body upwards pumps the hand sanitizer and mixes the hand sanitizer with air to form the foam.

In order to facilitate the extraction of the hand sanitizer in the liquid storage bottle, the balance of the internal and external air pressures in the liquid storage bottle needs to be kept, an air inlet is usually arranged on the liquid storage bottle, but the air inlet is arranged on the outer side of the bottle cover, so that the leakage is easily caused in the transportation process of the liquid storage bottle; when the air inlet is arranged in the bottle cap cover, the air inlet is easy to block after the liquid storage bottle is installed.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the inside and outside atmospheric pressure of liquid storage bottle in the balanced use, this application provides a foam generating device.

The application provides a foam generating device adopts following technical scheme:

a foam generating device comprising:

the machine body comprises a shell with a downward opening and a machine core arranged in the shell;

the fixed support is arranged in the shell and is positioned at the bottom of the movement;

the liquid storage bottle is arranged at the bottom of the fixed support and is detachably connected with the fixed support;

the liquid storage bottle comprises a liquid storage bottle body, a fixing support and a liquid outlet hole, wherein the liquid storage bottle body is provided with a liquid outlet hole and an air vent, the top of the air vent is provided with an annular flange which is abutted to the bottom of the fixing support, an air vent groove is formed in the annular flange, and external air sequentially enters the liquid storage bottle body through the air vent groove and the air vent.

Preferably, the movement comprises a foaming device, a circuit control assembly, a power supply and a pump body assembly.

Preferably, the pump body assembly comprises a diaphragm pump, a liquid branch and a gas branch, the liquid branch and the gas branch are arranged on the diaphragm pump, the bottom of the liquid branch is communicated with the liquid storage bottle, the bottom of the fixed support is provided with a gas inlet communicated with the gas branch, and the bottom of the gas branch is communicated with the outside through the gas inlet.

Preferably, the bottom of the fixing support is provided with a liquid suction pipe, the top of the liquid suction pipe is connected with the liquid branch, and the bottom of the liquid suction pipe is inserted into the liquid outlet hole.

Preferably, the diaphragm pump is provided with a gas-liquid mixing branch, and the gas-liquid mixing branch is connected with the foaming device.

Preferably, the fixed support is in sealing fit with the shell, and an annular sealing ring sealed with the shell is arranged on the periphery of the fixed support.

Preferably, the top of stock solution bottle is equipped with the spiral fastening muscle, the bottom of fixed bolster is equipped with the spiral butt muscle that offsets with the spiral fastening muscle.

Preferably, the end of the spiral fastening rib is provided with a buckle rib, and the end of the spiral abutting rib is provided with a limiting rib buckled with the buckle rib.

In summary, the present application includes at least one of the following benefits:

1. the external air enters the liquid storage bottle along the vent hole through the vent groove, and the annular flange is propped against the bottom of the fixed support, so that the problem that the vent hole is easy to block is solved;

2. the air inlet is formed in the bottom of the fixed support, one end of the air inlet is communicated with the outside, and the other end of the air inlet is communicated with the air branch, so that air is provided for the diaphragm pump, the air inlet is hidden at the bottom of the fixed support, and the attractiveness is improved compared with the situation that the air inlet is arranged on the surface of the shell.

Drawings

FIG. 1 is a schematic overall view of a foam generating device according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of the foam generating assembly;

FIG. 3 is a schematic view of the foam generating device with the housing removed;

FIG. 4 is a bottom view of the housing;

FIG. 5 is an overall schematic view of a reservoir bottle;

FIG. 6 is a schematic diagram of a gas-liquid mixing branch;

fig. 7 is an enlarged view at a in fig. 5.

Description of reference numerals: 1. a body; 2. a liquid storage bottle; 3. a movement; 4. fixing a bracket; 11. a housing; 21. a connecting projection; 22. a liquid outlet hole; 23. a vent hole; 24. spirally fastening the ribs; 25. buckling ribs; 26. an annular flange; 27. a vent groove; 31. a foaming device; 311. a foam outlet; 32. a circuit control component; 321. a start button; 33. a power source; 34. a pump body assembly; 341. a diaphragm pump; 342. a liquid branch; 343. a gas branch; 344. a gas-liquid mixing branch; 41. an annular seal ring; 42. a pipette; 43. an air inlet; 44. a connecting sleeve; 45. spirally abutting against the ribs; 46. and limiting ribs.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a foam generating device. Referring to fig. 1 and 2, the foam generating device includes a body 1 and a liquid storage bottle 2 disposed below the body 1, and the liquid storage bottle 2 is detachably connected to the body 1. The user installs stock solution bottle 2 in organism 1 bottom, then places on the desktop, and organism 1 can upwards extract the liquid in stock solution bottle 2, forms the foam after mixing with gas to the user washes hands.

Referring to fig. 2, the machine body 1 includes a housing 11 having a downward opening, and the movement 3 disposed in the housing 11, and the housing 11 has a cylindrical shape. The position that is close to the bottom in shell 11 and be located core 3 below still is equipped with fixed bolster 4, and fixed bolster 4 is discoid, and sealed cooperation between fixed bolster 4 and the shell 11 forms a inclosed cavity with shell 11 is inside, plays the purpose that protection core 3 is infected with dust and sewage. Specifically, the fixing support 4 is circumferentially provided with an annular sealing ring 41, and an outer ring of the annular sealing ring 41 abuts against an inner wall of the housing 11, so that the fixing support 4 is in sealing fit with the housing 11.

Referring to fig. 2 and 3, the movement 3 includes a foaming device 31, a circuit control assembly 32, a power supply 33, and a pump assembly 34, wherein the power supply 33 is a lithium battery fixed on the fixing bracket 4, the power supply 33 supplies power to the pump assembly 34, the circuit control assembly 32 controls the operation of the pump assembly 34, and the circuit control assembly 32 has a start button 321 disposed at the top of the housing 11. The pump assembly 34 draws liquid from the liquid storage bottle 2, draws air from the outside, mixes the gas and the liquid, sends the mixture into the foaming device 31, and foams the mixture by the foaming device 31 for a user to wash hands.

Referring to fig. 3, the pump body assembly 34 includes a diaphragm pump 341 fixed on the fixing bracket 4, and a liquid branch 342 and a gas branch 343 provided on the diaphragm pump 341, and the diaphragm pump 341 may be fixed by a bolt or a snap. The liquid branch 342 and the gas branch 343 are connected to the diaphragm pump 341 at their tops. Wherein, the bottom of the liquid branch 342 is connected with the liquid storage bottle 2, and the bottom of the gas branch 343 is communicated with the outside air.

Referring to fig. 4 and 5, the middle portion of the fixing bracket 4 is provided with a pipette 42, and the bottom of the pipette 42 extends to the bottom of the fixing bracket 4 and is used to extend into the liquid storage bottle 2. Referring to fig. 3, the top of the pipette 42 extends out of the top of the mounting bracket 4 for connection to the bottom of the liquid branch 342. The liquid in the liquid storage bottle 2 is pumped by the diaphragm pump 341 and flows along the liquid suction pipe 42 through the liquid branch 342 and enters the diaphragm pump 341. An air inlet hole 43 is formed in the fixed support 4, the bottom of the air branch 343 is connected with the air inlet hole 43, and the air branch 343 extracts air from the outside through the air inlet hole 43 to be mixed with liquid.

Referring to fig. 6, a gas-liquid mixing branch 344 is provided at the top of the diaphragm pump 341, and the top of the gas-liquid mixing branch 344 is connected to the foaming device 31 to feed the gas and the liquid into the foaming device 31. Referring to fig. 4, the foaming device 31 is provided with a foam outlet 311, the foam outlet 311 extends out of the housing 11, and the foam formed by mixing the gas and the liquid finally overflows from the foam outlet 311 for the user to wash hands.

Referring to fig. 4, 5 and 7, the bottom of the fixing bracket 4 is provided with a connecting sleeve 44, and the connecting sleeve 44 is connected with the liquid storage bottle 2. Specifically, the top of the liquid storage bottle 2 is provided with a connecting bulge 21, the connecting bulge 21 is cylindrical, and the top of the connecting bulge 21 is provided with a liquid outlet hole 22 and a vent hole 23. The outer wall of the connecting bulge 21 is provided with a spiral fastening rib 24, and the inner wall of the connecting sleeve 44 is provided with a spiral abutting rib 45. When the liquid storage bottle 2 is installed at the bottom of the fixing support 4, the spiral fastening rib 24 and the spiral abutting rib 45 are abutted against each other, so that the liquid storage bottle 2 is installed at the bottom of the fixing support 4 in a spiral fastening mode.

For further fixed stock solution bottle 2, still be equipped with buckle muscle 25 at the end of screw fastening muscle 24, the end of spiral butt muscle 45 be equipped with the spacing muscle 46 of buckle muscle 25 lock, the vertical setting of spacing muscle 46. When the stock solution bottle 2 is rotated to the position that is close to the top, spacing muscle 46 is crossed to buckle muscle 25 on the stock solution bottle 2 to support spacing muscle 46, thereby prevent the gyration of stock solution bottle 2, further fix the bottom at fixed bolster 4 with stock solution bottle 2.

Referring to fig. 4, the pipette 42 is disposed at the middle of the coupling sleeve 44, and the exit hole 22 in the liquid storage bottle 2 is disposed at the middle of the coupling projection 21 so that the pipette 42 is aligned with the exit hole 22 and inserted into the exit hole 22.

Referring to fig. 4 and 7, in order to balance the air pressure inside and outside the liquid storage bottle 2, an annular flange 26 is provided on the top of the vent hole 23, and a vent groove 27 is provided on the annular flange 26. After the liquid storage bottle 2 is arranged at the bottom of the fixing support 4, the top of the annular flange 26 is abutted against the bottom of the fixing support 4, and air in the liquid storage bottle 2 is communicated with the outside through the ventilation groove 27, so that the air pressure inside and outside the liquid storage bottle 2 is balanced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A foam generating device characterized by: the method comprises the following steps:

the machine body (1) comprises a shell (11) with a downward opening and a machine core (3) arranged in the shell (11);

the fixed support (4) is arranged in the shell (11), and the fixed support (4) is positioned at the bottom of the movement (3);

the liquid storage bottle (2) is arranged at the bottom of the fixed support (4), and the liquid storage bottle (2) is detachably connected with the fixed support (4);

the liquid storage bottle is characterized in that a liquid outlet hole (22) and a vent hole (23) are formed in the top of the liquid storage bottle (2), an annular flange (26) abutted to the bottom of the fixing support (4) is arranged at the top of the vent hole (23), a vent groove (27) is formed in the annular flange (26), and external gas sequentially enters the liquid storage bottle (2) through the vent groove (27) and the vent hole (23).

2. The foam generating apparatus as set forth in claim 1, wherein: the movement (3) comprises a foaming device (31), a circuit control assembly (32), a power supply (33) and a pump body assembly (34).

3. The foam generating apparatus as set forth in claim 2, wherein: the pump body assembly (34) comprises a diaphragm pump (341), and a liquid branch (342) and a gas branch (343) which are arranged on the diaphragm pump (341), the bottom of the liquid branch (342) is communicated with the liquid storage bottle (2), the bottom of the fixed support (4) is provided with a gas inlet hole (43) communicated with the gas branch (343), and the bottom of the gas branch (343) is communicated with the outside through the gas inlet hole (43).

4. A foam generating device as defined in claim 3, wherein: the bottom of the fixed support (4) is provided with a liquid suction pipe (42), the top of the liquid suction pipe (42) is connected with the liquid branch (342), and the bottom of the liquid suction pipe (42) is inserted into the liquid outlet hole (22).

5. A foam generating device as defined in claim 3, wherein: the diaphragm pump (341) is provided with a gas-liquid mixing branch (344), and the gas-liquid mixing branch (344) is connected with the foaming device (31).

6. The foam generating apparatus as set forth in claim 1, wherein: the fixed support (4) is in sealing fit with the shell (11), and an annular sealing ring (41) sealed with the shell (11) is arranged on the periphery of the fixed support (4).

7. The foam generating apparatus as set forth in claim 1, wherein: the top of stock solution bottle (2) is equipped with spiral fastening muscle (24), the bottom of fixed bolster (4) is equipped with spiral butt muscle (45) that offsets with spiral fastening muscle (24).

8. The foam generating apparatus as set forth in claim 7, wherein: the end of spiral fastening muscle (24) is equipped with buckle muscle (25), the end of spiral butt muscle (45) is equipped with spacing muscle (46) with buckle muscle (25) lock.