CN213405843U

CN213405843U - Foam machine simple to assemble

Info

Publication number: CN213405843U
Application number: CN202021522868.5U
Authority: CN
Inventors: 雷昊宇; 王兆磊
Original assignee: Momo Shanghai Biotechnology Co ltd
Current assignee: Momo Shanghai Biotechnology Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-06-11
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses a foam machine of simple assembly, including the casing and can dismantle the stock solution bottle of being connected with the casing, be equipped with the appearance chamber of placing liquid mechanism in the casing. Go out liquid mechanism and include the battery of integral type foam conveyor and the power supply of integral type foam conveyor, battery and integral type foam conveyor top are provided with the PCB board jointly, integral type conveyor is including fixed connection's motor in proper order, the pump body, combination pump cover and upper cover, the combination pump cover includes integrated into one piece's horizontal apron, perpendicular foaming portion and horizontal foaming portion, the upper cover is fixed on horizontal foaming portion, be provided with on the horizontal apron with the communicating inlet of stock solution bottle, liquid in the stock solution bottle gets into the foaming of perpendicular foaming portion through the inlet, pass through horizontal foaming portion discharge housing again, still be provided with the chamber of placing that the sensor that supplies on the PCB board placed on the combination pump cover. The whole foaming machine has few parts and simple assembly, and greatly reduces the assembly steps and the number of the assembled parts.

Description

Foam machine simple to assemble

Technical Field

The utility model relates to a foam machine technical field especially relates to a foam machine that assembly is simple.

Background

The hand sanitizer is a skin care cleansing liquid mainly for cleaning hands, and dirt and attached bacteria on the hands are removed by mechanical friction and the action of a surfactant in cooperation with water flow. As the hand sanitizer is used as a cleaning and nursing product specially used for washing hands, with the progress of technology, the application of a novel surfactant, an auxiliary agent and a mild and natural disinfectant adopts a use mode of packaging by a pressure pump bottle and taking by the pressure pump to prevent cross infection, so that the hand sanitizer is quickly approved by consumers and becomes a substitute of a traditional hand sanitizer, and the hand sanitizer becomes a development trend of a hand-washing cleaning and nursing product. The hand sanitizer device generally comprises a foam generating device for discharging liquid by bubbles, a liquid storage bottle for storing the hand sanitizer, a liquid discharging mechanism for pressing out liquid in the liquid storage bottle, a pressure button for driving the liquid discharging mechanism and the like. In order to avoid direct contact, hands can be cleaned by using the hand sanitizer, some enterprises produce induction type hand sanitizer devices, the induction type hand sanitizer devices are very convenient and sanitary, the induction devices are placed near the liquid outlet nozzles, and the liquid outlet mechanisms are driven to discharge liquid after the induction devices sense the approaching of hands.

However, the existing automatic foaming machine has the problems of complex structure, more parts, complex assembly, low assembly efficiency and high labor cost, and provides higher requirements for the level of an assembler and the use precision of tools. And too many parts can also cause poor sealing, and the foam that leaks in the casing can influence product life.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide a foam machine with simple assembly.

In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides a foam machine that assembly is simple, includes the casing and can dismantle the stock solution bottle of being connected with the casing, be equipped with the appearance chamber of placing out liquid mechanism in the casing, its characterized in that: go out liquid mechanism and include the battery of integral type foam conveyor and the power supply of integral type foam conveyor, battery and integral type foam conveyor top are provided with the PCB board jointly, integral type conveyor is including fixed connection's in proper order motor, the pump body, combination pump cover and upper cover, the combination pump cover includes integrated into one piece's horizontal apron, perpendicular foaming portion and level play foam portion, the upper cover is fixed on horizontal play foam portion, be provided with the communicating inlet with the stock solution bottle on the horizontal apron, the liquid in the stock solution bottle gets into perpendicular foaming portion through the inlet and foams, passes through horizontal play foam portion discharge casing, still be provided with on the combination pump cover and supply the chamber of placing of the sensor on the PCB board.

The beneficial effects of the utility model reside in that: the foaming machine is simple in structure, and horizontal apron, perpendicular foaming portion and level go out foam portion formula structure as an organic whole, and the liquid and the gas of motor extraction directly get into directly foaming discharge behind the combination pump cover through the pump body, and the leakproofness is good, and the PCB board is fixed in integral type foam conveyor top, and the humidity resistance is good. The whole foaming machine has few parts and simple assembly, and greatly reduces the assembly steps and the number of the assembled parts.

Further, horizontal play foam portion upper end opening and communicate with each other with the inner chamber of perpendicular foaming portion, horizontal play foam portion is kept away from perpendicular foaming portion one end and is provided with the liquid outlet nozzle, the upper cover cooperates with the upper end opening part of horizontal play foam portion is sealed, and both pass through ultrasonic bonding, the upper cover forms the fluid passage who places the chamber and switch on liquid outlet nozzle and perpendicular foaming portion with horizontal play foam portion within a definite time, and the gas-liquid mixture through perpendicular foaming portion foaming transmits to the liquid outlet nozzle through fluid passage, places the chamber and keeps apart with fluid passage, lies in horizontal play foam portion, and the sensor embedding of being convenient for, sensor welded fastening are on the PCB board.

Further, the upper cover up end upwards extends has the location lug, be provided with the locating hole that matches with the location lug on the PCB board, the location lug inserts in the locating hole, and the PCB board location of being convenient for still is provided with the reference column in holding the intracavity, and the PCB board passes through bolt and reference column fixed connection, improves the stability of PCB board.

Further, horizontal play foam portion upwards extends along the diapire has first boss, first boss is located the position between liquid outlet nozzle and the perpendicular foaming portion, lower terminal surface downwardly extending of upper cover has the second boss that matches with first boss, first boss and second boss pass through ultrasonic welding sealing connection, the inboard of first boss, second boss is injectd and is formed placing the chamber the outside of first boss and second boss is injectd and is formed fluid passage. The cooperation of first boss and second boss has realized fluid passage and has placed the isolation in chamber, and the upper cover is provided with and places the communicating through-hole in chamber, the sensor inserts from the through-hole and places the chamber.

Further, the casing includes upper end open-ended main part and upper end opening part and passes through the top cap that ultrasonic welding is fixed, form between main part and the top cap and hold the chamber, still be provided with the base between main part and the stock solution bottle, base and stock solution bottle joint, the main part passes through the screw fixation with the base, is convenient for fix and dismantle. The diapire of main part still is provided with the hollow stand that the intercommunication holds chamber and stock solution bottle, hollow stand lower extreme extends into in the stock solution bottle, be provided with the main part sealing washer between the outer wall of hollow stand and stock solution bottle, improve the leakproofness, the inlet stretches into from the upper end opening of hollow stand, be provided with the water inlet sealing washer between inlet and hollow stand, improve the leakproofness.

Further, the main body extends outwards to form a liquid outlet portion, a liquid outlet opening is formed in the bottom of the liquid outlet portion, the horizontal foam outlet portion covers the liquid outlet opening, a sealing rubber pad is arranged between the bottom wall of the horizontal foam outlet portion and the shell, and the sealing performance of the liquid outlet opening is improved through the sealing rubber pad.

Further, a gap is reserved between the base and the liquid storage bottle, an air inlet communicated with the containing cavity is formed in the base, a waterproof breathable film covers the air inlet, the sealing performance is improved, water vapor is placed to enter the containing cavity from the air inlet, and the PCB or the motor is damaged.

Further, the mouth that charges that switches on with the battery is seted up to the lateral wall of main part, and the battery is rechargeable lithium cell, and repeatedly cycle uses, practices thrift the cost, it has waterproof rubber buffer to charge mouthful to coat, improves the leakproofness.

Further, the outer wall of the pump body extends outwards to form a connecting lug, the accommodating cavity is provided with a fixing column matched with the connecting lug, the pump body is fixed on the fixing column through a bolt penetrating through the connecting lug, and then the integrated foam conveying device is fixed in the accommodating cavity.

Further, the vertical foaming part is a hollow cylinder, an inner cavity of the vertical foaming part is communicated with a liquid outlet of the pump body, at least one foaming component is assembled in the vertical foaming part in an interference fit mode, and the number of the foaming components can be configured according to actual requirements.

Drawings

Fig. 1 is an exploded view of an embodiment of the present invention;

fig. 2 is a cross-sectional view of an embodiment of the present invention;

FIG. 3 is a three-dimensional structure diagram of the integrated foam conveying device in the embodiment of the present invention;

FIG. 4 is an exploded view of an integrated foam delivery apparatus according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of the PCB board and the integrated foam conveying device in the embodiment of the present invention;

FIG. 6 is a perspective view of the combination pump cover in the embodiment of the present invention;

fig. 7 is a top view of the combined pump cover in the embodiment of the present invention;

fig. 8 is a schematic view of a main body three-dimensional structure in the embodiment of the present invention.

In the figure:

1-liquid storage bottle, 21-main body, 211-hollow upright post, 212-liquid outlet part, 213-lower limit plate, 22-top cover, 23-containing cavity, 3-integrated foam conveying device, 31-motor, 32-pump body, 321-connecting lug, 33-combined pump cover, 331-horizontal cover plate, 3311-liquid inlet, 332-vertical foaming part, 333-horizontal foam outlet part, 3331-placing cavity, 3332-fluid channel, 3333-first boss, 334-liquid outlet nozzle, 34-upper cover, 341-positioning lug, 342-second boss, 4-battery, 5-PCB board, 51-sensor, 6-base, 61-main body sealing ring, 7-main body sealing ring, 8-water inlet sealing ring, 9-sealing rubber pad, 10-waterproof breathable film, 11-waterproof rubber plug.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Examples

Referring to the attached drawings 1-8, the utility model discloses a foam maker with simple assembly, including casing and the stock solution bottle 1 of being connected can be dismantled with the casing, be equipped with the appearance chamber 23 of placing out liquid mechanism in the casing. The shell comprises a main body 21 and a top cover 22, wherein the upper end of the main body 21 is provided with an opening, and the top cover 22 is fixed at the opening of the upper end of the main body 21 through ultrasonic welding. Still be provided with base 6 between main part 21 and the stock solution bottle 1,

base

6 and 1 joint of stock solution bottle, main part 21 passes through the screw fixation with base 6, is convenient for fix and dismantle. The diapire of main part 21 still is provided with the hollow stand 211 that the intercommunication holds chamber 23 and stock solution bottle 1, hollow stand 211 lower extreme extends into in the stock solution bottle 1, be provided with main part sealing washer 7 between the outer wall of hollow stand 211 and stock solution bottle 1, improve the leakproofness.

The liquid outlet mechanism comprises an integrated foam conveying device 3 and a battery 4 powered by the integrated foam conveying device 3, and the battery 4 is positioned on one side of the integrated foam conveying device 3. Battery 4 and integral type foam conveyor 3 top are provided with PCB board 5 jointly, and battery 4 and PCB board 5 communication connection have sensor 51 in the welding on the PCB board 5. The integrated conveying device comprises a motor 31, a pump body 32, a combined pump cover 33 and an upper cover 34 which are fixedly connected, the motor 31, the pump body 32 and the combined pump cover 33 are sequentially and fixedly connected from top to bottom, a connecting lug 321 extends outwards from the outer wall of the pump body 32, the accommodating cavity 23 is provided with a fixing column matched with the connecting lug 321, the pump body 32 is fixed on the fixing column through a bolt penetrating through the connecting lug 321, and then the integrated foam conveying device 3 is fixed in the accommodating cavity 23.

The combined pump cover 33 comprises a horizontal cover plate 331, a vertical foaming part 332 and a horizontal foaming part 333 which are integrally formed into a Z shape, and the upper cover 34 is fixed on the horizontal foaming part 333. The horizontal cover plate 331 is provided with a liquid inlet 3311 communicated with the liquid storage bottle 1, and the horizontal cover plate 331 is also provided with an air inlet communicated with the accommodating cavity 23. The liquid inlet 3311 extends from the upper end opening of the hollow upright post 211, and a water inlet seal ring 8 is arranged between the liquid inlet 3311 and the hollow upright post 211 to improve the sealing property. The leather cup body in the motor 31 drive pump body 32 is from the motion, and the leather cup body is from liquid storage bottle 1 and appearance intracavity 23 interior extraction liquid and gas of air inlet from the inlet 3311 respectively in the motion process, carries liquid and gas to perpendicular foaming portion 332 foaming through the export on the horizontal apron 331 again, passes through horizontal foaming portion 333 discharge casing, and the pump body 32 is prior art, and this place is no longer described repeatedly. The combined pump cover 33 is further provided with a placing cavity 3331 for placing the sensor 51 on the PCB 5.

Horizontal play foam portion 333 upper end opening and communicate with each other with the inner chamber of perpendicular foaming portion 332, horizontal play foam portion 333 is kept away from perpendicular foaming portion 332 one end and is provided with liquid outlet 334, upper cover 34 and the sealed cooperation of the upper end opening part of horizontal play foam portion 333, both pass through ultrasonic bonding. A placing cavity 3331 and a fluid channel 3332 for conducting the liquid outlet 334 and the vertical foaming part 332 are formed between the upper cover 34 and the horizontal foaming part 333, a gas-liquid mixture foamed by the vertical foaming part 332 is transmitted to the liquid outlet 334 through the fluid channel 3332 and flows out, the placing cavity 3331 is isolated from the fluid channel 3332 and is positioned at the horizontal foaming part 333, so that the sensor 51 is conveniently embedded, and the sensor 51 is welded and fixed on the PCB 5.

The vertical foaming portion 332 is a hollow cylinder, an inner cavity of the vertical foaming portion 332 is communicated with a liquid outlet of the pump body 32, at least one foaming component is assembled in the vertical foaming portion 332 in an interference fit mode, and the number of the foaming components can be configured according to actual requirements. The foaming component comprises a foaming shell in interference fit with the inner wall of the vertical foaming part 332, and a plurality of foaming nets are fixed in the foaming shell.

The horizontal foaming part 333 is provided with a first protrusion 3333 extending upward along the bottom wall, the first protrusion 3333 is located between the liquid outlet nozzle 334 and the vertical foaming part 332, a second protrusion 342 matching with the first protrusion 3333 extends downward at the lower end of the upper cover 34, the first protrusion 3333 and the second protrusion 342 are hermetically connected by ultrasonic welding, the inner sides of the first protrusion 3333 and the second protrusion 342 define a placing cavity 3331, and the outer sides of the first protrusion 3333 and the second protrusion 342 define a fluid passage 3332. The first projection 3333 and the second projection 342 are engaged to isolate the fluid channel 3332 from the placing chamber 3331, and the upper cover 34 is provided with a through hole communicating with the placing chamber 3331, and the sensor 51 is inserted into the placing chamber 3331 through the through hole. The combination pump cover 33 is a transparent injection molding, the sensor 51 is an infrared sensor 51, and infrared rays emitted by the sensor 51 can penetrate through the horizontal foam outlet 333 of the combination pump cover 33.

The shell extends outwards to form a liquid outlet part 212, a liquid outlet opening is formed in the bottom of the liquid outlet part 212, the horizontal foam outlet part 333 covers the liquid outlet opening, and the bottom wall of the horizontal foam outlet part 333 is arc-shaped. A sealing rubber pad 9 is arranged between the bottom wall of the horizontal foam discharging part 333 and the shell, and the sealing performance of the liquid outlet opening is improved through the sealing rubber pad 9. The lateral wall of casing still is equipped with the lower limiting plate 213 that supplies PCB board 5 lower terminal surface to support to lean on, be provided with the last spacing piece that supports and support and lean on PCB board 5 up end down limiting plate 213 top.

The upper end face of the upper cover 34 upwards extends to form a positioning lug 341, a positioning hole matched with the positioning lug 341 is formed in the PCB 5, the positioning lug 341 is inserted into the positioning hole, the PCB 5 is conveniently positioned, a positioning column is further arranged in the accommodating cavity 23, the PCB 5 is fixedly connected with the positioning column through a bolt, and the stability of the PCB 5 is improved.

A gap is reserved between the base 6 and the liquid storage bottle 1, an air inlet 61 communicated with the accommodating cavity 23 is formed in the base 6, the air inlet 61 is covered with a waterproof breathable film 10, the sealing performance is improved, water vapor is prevented from entering the accommodating cavity 23 from the air inlet 61, and the PCB 5 or the motor 31 is damaged.

The mouth that charges that switches on with battery 4 is seted up to the lateral wall of main part 21, and battery 4 is rechargeable lithium cell 4, and repeatedly rechargeable recycles, practices thrift the cost, the mouth that charges coats and is stamped waterproof rubber buffer 11, improves the leakproofness.

The foaming machine is simple in structure, the horizontal cover plate 331, the vertical foaming part 332 and the horizontal foaming part 333 are of an integrated structure, liquid and gas extracted by the motor 31 directly enter the combined pump cover 33 through the pump body 32 and then are directly foamed and discharged, the sealing performance is good, the PCB 5 is fixed above the integrated foam conveying device 3, and the moisture resistance is good. The whole foaming machine has few parts and simple assembly, and greatly reduces the assembly steps and the number of the assembled parts.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. The utility model provides a foam machine that assembly is simple, includes the casing and can dismantle stock solution bottle (1) of being connected with the casing, be equipped with appearance chamber (23) of placing out liquid mechanism in the casing, its characterized in that: the liquid outlet mechanism comprises an integrated foam conveying device (3) and a battery (4) powered by the integrated foam conveying device (3), a PCB (printed circuit board) (5) is jointly arranged above the battery (4) and the integrated foam conveying device (3), the integrated conveying device (3) comprises a motor (31), a pump body (32), a combined pump cover (33) and an upper cover (34) which are fixedly connected, the combined pump cover (33) comprises a horizontal cover plate (331), a vertical foaming part (332) and a horizontal foam outlet part (333) which are integrally formed, the upper cover (34) is fixed on the horizontal foam outlet part (333), a liquid inlet (3311) communicated with the liquid storage bottle (1) is arranged on the horizontal cover plate (331), liquid in the liquid storage bottle (1) enters the vertical foaming part (332) through the liquid inlet (3311) to foam, and then is discharged out of the shell through the horizontal foam outlet part (333), and a placing cavity (3331) for placing a sensor (51) on the PCB (5) is also arranged on the combined pump cover (33).

2. A foam machine with simple assembly according to claim 1, characterized in that: horizontal play foam portion (333) upper end opening and communicate with each other with the inner chamber of vertical foaming portion (332), vertical foaming portion (332) one end is kept away from in horizontal play foam portion (333) and is provided with out liquid nozzle (334), upper cover (34) and the sealed cooperation of upper end opening part of horizontal play foam portion (333), upper cover (34) and horizontal play foam portion (333) form between place chamber (3331) and switch on fluid passage (3332) of out liquid nozzle (334) and vertical foaming portion (332).

3. A foam machine with simple assembly according to claim 1, characterized in that: the upper end face of the upper cover (34) extends upwards to form a positioning lug (341), and a positioning hole matched with the positioning lug (341) is formed in the PCB (5).

4. A foam machine with simple assembly according to claim 2, characterized in that: the horizontal foaming part (333) extends upwards along the bottom wall to form a first boss (3333), the first boss (3333) is positioned between the liquid outlet nozzle (334) and the vertical foaming part (332), the lower end of the upper cover (34) extends downwards to form a second boss (342) matched with the first boss (3333), the first boss (3333) and the second boss (342) are connected in a sealing mode, the inner sides of the first boss (3333) and the second boss (342) are limited to form a placing cavity (3331), and the outer sides of the first boss (3333) and the second boss (342) are limited to form a fluid channel (3332).

5. A foam machine with simple assembly according to claim 1, characterized in that: the shell comprises a main body (21) with an opening at the upper end and a top cover (22) fixed at the opening at the upper end through ultrasonic welding, a cavity (23) is formed between the main body (21) and the top cover (22), a base (6) is arranged between the main body (21) and the liquid storage bottle (1), the base (6) is clamped with the liquid storage bottle (1), the main body (21) is fixed with the base (6) through screws, the bottom wall of the main body (21) is also provided with a hollow upright post (211) which is communicated with the containing cavity (23) and the liquid storage bottle (1), the lower end of the hollow upright post (211) extends into the liquid storage bottle (1), a main body sealing ring (7) is arranged between the outer wall of the hollow upright post (211) and the liquid storage bottle (1), the liquid inlet (3311) extends from the upper end opening of the hollow upright post (211), and a water inlet sealing ring (8) is arranged between the liquid inlet (3311) and the hollow upright post (211).

6. A foam machine with simple assembly according to claim 5, characterized in that: the main body (21) extends outwards to form a liquid outlet part (212), a liquid outlet opening is formed in the bottom of the liquid outlet part (212), the horizontal foam outlet part (333) covers the liquid outlet opening, and a sealing rubber pad (9) is arranged between the bottom wall of the horizontal foam outlet part (333) and the main body (21).

7. A foam machine with simple assembly according to claim 5, characterized in that: a gap is reserved between the base (6) and the liquid storage bottle (1), an air inlet hole (61) communicated with the accommodating cavity (23) is formed in the base (6), and a waterproof breathable film (10) covers the air inlet hole (61).

8. A foam machine with simple assembly according to claim 5, characterized in that: the mouth that charges that switches on with battery (4) is seted up to the lateral wall of main part (21), it has waterproof rubber stopper (11) to charge mouthful to coat.

9. A foam machine with simple assembly according to claim 1, characterized in that: the outer wall of the pump body (32) extends outwards to form a connecting lug (321), a fixing column matched with the connecting lug (321) is arranged in the accommodating cavity (23), and the pump body (32) is fixed on the fixing column through a bolt penetrating through the connecting lug (321).

10. A foam machine with simple assembly according to claim 1, characterized in that: the vertical foaming part (332) is a hollow cylinder, the inner cavity of the vertical foaming part (332) is communicated with the liquid outlet of the pump body (32), and at least one foaming component is assembled in the vertical foaming part (332) in an interference manner.