CN213155590U

CN213155590U - Air inlet structure of foam hand sanitizer machine

Info

Publication number: CN213155590U
Application number: CN202021330220.8U
Authority: CN
Inventors: 景成连
Original assignee: Jiusu Technology Shanghai Co ltd
Current assignee: Jiusu Technology Shanghai Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-05-11
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses an air inlet structure of a foam hand sanitizer machine, which comprises an air inlet arranged on a base and an air inlet component arranged on a foam pump, wherein the air inlet component comprises a lower cover and an upper cover covered on the lower cover, a first cavity is arranged between the upper cover and the lower cover, the lower cover is provided with a first through hole for placing an umbrella-shaped plastic valve, the lower cover at the periphery of the first through hole is provided with an air inlet hole, and the valve clack of the umbrella-shaped plastic valve is positioned at the lower end of the lower cover and covers the air inlet hole; the upper end of the upper cover is provided with an air guide column communicated with the first cavity, and the air guide column is connected with an air inlet on the base through an air pipe. The upper cover and the lower cover are fixed in a welding and sealing mode. The opening or closing of the air inlet is controlled by the matching of the umbrella-shaped plastic valve and the air inlet hole, the structure of the whole machine is simple, and the maintenance is convenient; the upper cover and the lower cover are integrated on the foam pump, so that the overall occupied space is reduced.

Description

Air inlet structure of foam hand sanitizer machine

Technical Field

The utility model relates to a foam liquid soap machine technical field especially relates to an air inlet structure of foam liquid soap machine.

Background

The foam liquid soap machine is a foaming device, can output foam after mixing water and air, and is convenient for a user to use. The structure of present foam liquid soap machine is host computer and stock solution bottle roughly, and the stock solution bottle is placed at the host computer lower extreme and can be dismantled with the host computer and be connected, and the host computer includes the shell, sets up the base in the shell bottom, is equipped with the foam pump on the base in the shell. At present, air inlet on the foam liquid soap machine needs to be provided with special parts to guide air into the foam pump, and the occupied space is large.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide an air inlet structure of a foam liquid soap machine, which integrates a main air inlet structure into a foam pump, and the air pipe and the air inlet are reserved outside the foam pump.

In order to achieve the above purpose, the utility model discloses a technical scheme is: an air inlet structure of a foam hand sanitizer machine comprises an air inlet arranged on a base and an air inlet assembly arranged on a foam pump, wherein the air inlet assembly comprises a lower cover and an upper cover covering the lower cover, a first cavity is arranged between the upper cover and the lower cover, a first through hole for placing an umbrella-shaped plastic valve is formed in the lower cover, an air inlet hole is formed in the lower cover at the periphery of the first through hole, and a valve clack of the umbrella-shaped plastic valve is positioned at the lower end of the lower cover and covers the air inlet hole; the upper end of the upper cover is provided with an air guide column communicated with the first cavity, and the air guide column is connected with an air inlet on the base through an air pipe. The upper cover and the lower cover are fixed in a welding and sealing mode.

Further, the air inlet is positioned at the lower end of the base. Therefore, the air inlet is hidden in the foam hand sanitizer, so that the aesthetic property of the whole machine is not influenced. The shell end is provided with a notch which is positioned at the lower end edge of the shell, so that the whole appearance is not influenced. The gap is arranged at the joint of the base and the liquid storage tank, the gap and the air inlet are communicated with the gap between the base and the liquid storage tank, and external air is supplied to the air inlet through the gap.

Furthermore, an upper cover inner groove and an upper cover outer groove are formed in the upper cover, and the upper cover outer groove is positioned on the outer side of the upper cover inner groove; the lower cover is provided with a lower cover inner groove and a lower cover outer groove, and the lower cover outer groove is positioned outside the lower cover inner groove; when the upper cover is covered on the lower cover, the upper cover inner groove and the lower cover inner groove are vertically corresponding, and the upper cover outer groove and the lower cover outer groove are vertically corresponding; the upper cover inner groove and the lower cover inner groove are encircled to form an inner cavity, and the upper cover outer groove and the lower cover outer groove are encircled to form the first cavity; and a sealing element is arranged between the upper cover inner groove and the lower cover inner groove to isolate the inner cavity from the first cavity. The cavity formed by enclosing the upper cover and the lower cover is separated into an inner cavity and a first cavity by a sealing element, the first cavity is used for air inlet, the inner cavity can be used for air outlet and liquid outlet, and only a corresponding check valve is arranged on the sealing element.

The lower cover outer groove is provided with two first through holes, each first through hole is separated into independent accommodating cavities by a partition plate on the lower cover outer groove, and the two accommodating cavities separated by the partition plate are communicated by the upper cover outer groove. Through the design, every first through-hole all has independent appearance chamber, and overall structure is clear, does benefit to the operation and uses. The partition plate and the lower cover are integrally formed in an injection molding mode.

Further, the periphery of each first through hole is provided with three air inlet holes.

Furthermore, an invagination groove corresponding to the first through hole is arranged on the lower cover on the side departing from the upper cover.

Further, the first through hole is an upper vertical channel and a lower vertical channel, and is centrally arranged in the invagination groove.

Further, the valve rod of the umbrella-shaped plastic valve is inserted into the first through hole, and the valve clack of the umbrella-shaped plastic valve is located in the inward concave groove.

Further, a conical head is arranged on the valve rod on the side far away from the valve clack, the maximum outer diameter of the conical head is larger than the inner diameter of the first through hole, and the difference value between the conical head and the first through hole is 0.5-1 mm.

The valve rod is inserted into the first through hole, when the umbrella-shaped plastic valve is inserted in place, the conical head is exposed outside the first through hole, and the valve clack is positioned in the inward groove. When the valve clack is forced downwards, a gap is formed between the valve clack and the inner sunken groove, and air entering from the air inlet hole can circulate; when the valve clack is forced upwards, the valve clack can be extruded to block the air inlet hole in the recessed groove, so that the air inlet can be opened or closed.

Compared with the prior art, the utility model controls the opening or closing of the air inlet through the matching of the umbrella-shaped plastic valve and the air inlet hole, the structure of the whole machine is simple, and the maintenance is convenient; the upper cover and the lower cover are integrated on the foam pump, so that the overall occupied space is reduced.

Drawings

Fig. 1 is a schematic structural view of a foam hand sanitizer in an embodiment of the present invention.

Fig. 2 is a perspective view of the base in the embodiment of the present invention.

Fig. 3 is a perspective view of an embodiment of the present invention.

Fig. 4 is a perspective view of the upper cover in the embodiment of the present invention.

Fig. 5 is a perspective view of the first position of the lower cover in the embodiment of the present invention.

Fig. 6 is a perspective view of the lower cover in a second orientation according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of an umbrella-shaped plastic valve according to an embodiment of the present invention.

Fig. 8 is a perspective view of the housing in the embodiment of the present invention.

In the figure:

1-a housing; 11-a notch; 2-a base; 21-an air inlet; 3-a foam pump; 4-lower cover; 41-a first through hole; 42-lower cover inner groove; 43-lower cover outer groove; 44-bolt holes; 45-air inlet holes; 46-an invagination groove; 47-a separator; 5, covering the upper cover; 51-a gas-conducting column; 52-upper cover inner groove; 53-upper cover outer groove; 54-bolt mounting hole locations; 6-umbrella-shaped plastic valve; 61-a valve flap; 62-a valve stem; 63-cone head; 7-a liquid storage tank.

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

In the embodiment, the air inlet structure of the foam hand sanitizer is shown in fig. 1 and comprises a shell 1 and a base 2 arranged at the bottom of the shell 1, wherein a foam pump 3 is arranged on the base in the shell 1, and the base 2 is detachably connected with a liquid storage tank 7. The air intake structure comprises an air inlet 21 arranged on the base 2 and an air intake component arranged on the foam pump 3, and the air intake component is shown in figures 2 to 7. The air intake assembly comprises a lower cover 4 and an upper cover 5 covered on the lower cover 4. A first cavity is arranged between the upper cover 5 and the lower cover 4, at least one first through hole 41 communicated with the first cavity is arranged on the lower cover 4, an umbrella-shaped plastic valve 6 is arranged in the first through hole 41, an air inlet hole 45 is arranged on the lower cover 4 where the periphery of the first through hole 41 is located, and a valve clack 61 of the umbrella-shaped plastic valve 6 is located at the lower end of the lower cover 4 and covers the air inlet hole 45. An air guide column 51 communicated with the first chamber is arranged at the upper end of the upper cover 5, and the air guide column 51 is connected with an air inlet 21 on the base through an air pipe.

In this embodiment, the air inlet 21 is located at the lower end of the base 2 and is hidden in the foam hand sanitizer machine, so that the aesthetic property of the whole machine is not affected. As shown in fig. 8, a notch 11 is provided at the lower end of the housing 1, and the notch 11 is located at the lower edge of the housing 1, so that the overall appearance is not affected. A gap is arranged at the joint of the base 2 and the liquid storage tank 7, the gap 11 and the air inlet 21 are communicated with the gap between the base 2 and the liquid storage tank 7, and outside air enters the air inlet 21 from the gap 11.

As shown in fig. 4, the upper cover 5 is provided with an upper cover inner groove 52 and an upper cover outer groove 53, and the upper cover outer groove 53 is located outside the upper cover inner groove 52. As shown in fig. 5, the lower cover 4 is provided with a lower cover inner groove 42 and a lower cover outer groove 43, and the lower cover outer groove 43 is located outside the lower cover inner groove 42. When the upper lid 5 is closed on the lower lid 4, the upper lid inner groove 52 vertically corresponds to the lower lid inner groove 42, and the upper lid outer groove 53 vertically corresponds to the lower lid outer groove 43. At this time, the upper cover inner groove 52 and the lower cover inner groove 42 enclose to form an inner cavity, and the upper cover outer groove 53 and the lower cover outer groove 43 enclose to form the first chamber. In order to avoid the communication between the inner chamber and the first chamber, a seal is disposed between the upper cover inner groove 52 and the lower cover inner groove 42, and the seal completely covers the inner chamber and separates the inner chamber from the first chamber. In the actual use process, the inner cavity is used for discharging air and liquid, the upper cover inner groove 52 is used as a gas-liquid mixing cavity, and a corresponding check valve is arranged on the sealing piece at the moment.

In this embodiment, bolt mounting holes 54 are circumferentially formed in the upper cover 5, bolt holes 44 corresponding to the bolt mounting holes 54 are formed in the lower cover 4, the upper cover 5 and the lower cover 4 are sealed by welding to form a whole, and the upper cover 5 and the lower cover 4 are fixed to the pump body by bolts.

In this embodiment, two first through holes 41 are provided on the outer groove of the lower cover 4, each first through hole 41 is separated by a partition plate 47 on the outer groove 43 of the lower cover to form an independent cavity, and the partition plate 47 and the lower cover 4 are integrally injection-molded. When the upper cover 5 is covered on the lower cover 4, the upper cover outer groove 53 is connected with the two cavities on the lower cover 4, that is, the two cavities separated by the partition 44 are connected. Three air inlets 45 are provided in each chamber, surrounding the periphery of the first through hole 41. Through the design, every first through-hole 41 all has corresponding appearance chamber and inlet port 45, and overall structure is clear, does benefit to the operation and uses.

Referring to fig. 6, an invagination groove 46 corresponding to the first through hole 41 is formed on the lower cover 4 on the side away from the upper cover 5, the first through hole 41 and the air inlet hole 45 are located in the invagination groove 46, specifically, the first through hole 41 is an up-down vertical channel, and is centrally disposed in the invagination groove 46. The first through hole 41 is used to place the umbrella-shaped plastic valve 6. The umbrella-shaped plastic valve 6 comprises a valve rod 62, one end of the valve rod 62 is provided with a valve clack 61, the other end of the valve rod 62 is provided with a conical head 63, the maximum outer diameter of the conical head 63 is larger than the inner diameter of the first through hole 41, and the difference value between the maximum outer diameter and the inner diameter is 0.5 mm-1 mm.

When the umbrella-shaped plastic valve 6 is inserted in place, the conical head 63 is exposed outside the first through hole 41, and the valve clack 61 is arranged in the inward concave groove 46. When the valve clack 61 is applied with downward force, a gap is formed between the valve clack 61 and the recessed groove 46, and air entering from the air inlet hole 45 is circulated; when the valve clack 61 is forced upwards, the valve clack can be extruded into the recessed groove 46 to block the air inlet hole 45, and the umbrella-shaped plastic valve 6 is realized to realize the opening or closing of the air inlet.

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 an air inlet structure of foam liquid soap machine which characterized in that: the air inlet assembly comprises an air inlet (21) arranged on a base (2) and an air inlet assembly arranged on a foam pump (3), wherein the air inlet assembly comprises a lower cover (4) and an upper cover (5) covered on the lower cover (4), a first cavity is arranged between the upper cover (5) and the lower cover (4), a first through hole (41) for placing an umbrella-shaped plastic valve (6) is formed in the lower cover (4), an air inlet hole (45) is formed in the lower cover where the periphery of the first through hole (41) is located, and a valve clack (61) of the umbrella-shaped plastic valve is located at the lower end of the lower cover (4) and covers the air inlet hole (45); an air guide column (51) communicated with the first cavity is arranged at the upper end of the upper cover (5), and the air guide column (51) is connected with an air inlet (21) on the base through an air pipe.

2. The air intake structure of the foam hand sanitizer according to claim 1, wherein: the air inlet (21) is positioned at the lower end of the base (2); the shell (1) is provided with a gap (11), the joint of the base (2) and the liquid storage tank (7) is provided with a gap, and the gap (11) and the air inlet (21) are communicated with the gap between the base (2) and the liquid storage tank (7).

3. The air intake structure of the foam hand sanitizer according to claim 1, wherein: an upper cover inner groove (52) and an upper cover outer groove (53) are formed in the upper cover (5), and the upper cover outer groove (53) is located on the outer side of the upper cover inner groove (52); the lower cover (4) is provided with a lower cover inner groove (42) and a lower cover outer groove (43), and the lower cover outer groove (43) is positioned outside the lower cover inner groove (42); when the upper cover (5) is covered on the lower cover (4), the upper cover inner groove (52) corresponds to the lower cover inner groove (42) up and down, the upper cover outer groove (53) corresponds to the lower cover outer groove (43) up and down, the upper cover inner groove (52) and the lower cover inner groove (42) are encircled to form an inner cavity, and the upper cover outer groove (53) and the lower cover outer groove (43) are encircled to form the first cavity; a sealing element is arranged between the upper cover inner groove (52) and the lower cover inner groove (42) to isolate the inner cavity from the first chamber.

4. The air intake structure of the foam hand sanitizer according to claim 3, wherein: the lower cover outer groove (43) is provided with two first through holes (41), each first through hole is separated from an independent accommodating cavity on the lower cover outer groove through a partition plate (47), and the two accommodating cavities separated by the partition plates are communicated through the upper cover outer groove.

5. The air intake structure of the foam hand sanitizer according to claim 4, wherein: three air inlets (45) are formed in the periphery of each first through hole (41).

6. The air intake structure of the foam hand sanitizer according to claim 1, wherein: an invagination groove (46) is arranged on the lower cover (4) which is far away from one side of the upper cover, and one end of the first through hole (41) and one end of the air inlet hole (45) are both positioned in the invagination groove (46).

7. The air intake structure of the foam hand sanitizer according to claim 6, wherein: the first through hole (41) is an upper vertical channel and a lower vertical channel and is arranged in the invagination groove (46) in the center.

8. The air intake structure of the foam hand sanitizer according to claim 7, wherein: valve rod (62) of umbrella-shaped plastic valve insert to in first through-hole (41), valve clack (61) of umbrella-shaped plastic valve are located invagination groove (46).

9. The air intake structure of the foam hand sanitizer according to claim 8, wherein: the valve rod (62) far away from one side of the valve clack (61) is provided with a conical head (63), the maximum outer diameter of the conical head (63) is larger than the inner diameter of the first through hole (41), and the difference value between the two is 0.5-1 mm.

10. The air intake structure of the foam hand sanitizer according to claim 2, wherein: the notch (11) is positioned at the lower end edge of the shell (1).