CN217272137U - Flat air valve capable of inflating and deflating - Google Patents

Abstract

The invention relates to a flat air valve capable of charging and discharging air, which comprises an air storage cavity and a control part for controlling the internal air pressure of an article to be charged, wherein the outer wall of the air storage cavity is a flexible wall, the control part comprises an air passing column, an upper cover and a lower cover, an air feeding channel is connected between the air storage cavity and the air passing column, a second air inlet cavity is arranged in the air passing column and is communicated with the air feeding channel, the upper cover and the lower cover respectively seal openings at two ends of the second air inlet cavity, and the lower cover also seals an air charging port of the article to be charged. This application has the effect of using more conveniently when aerifing.

Description

Flat air valve capable of inflating and deflating

Technical Field

The invention relates to the technical field of air valves, in particular to a flat air valve capable of inflating and deflating.

Background

Nowadays, many things rely on air as filler, for example, inflatable products such as swim rings, inflatable dolls, inflatable air cushions, inflatable sofas, child inflatable seats and the like, for articles such as swim rings, inflatable dolls and the like which need small inflation amount, people usually blow air to an inflation valve directly through mouths, and in this way, unsanitary and laborious conditions can exist on props in public places.

Disclosure of Invention

In order to improve the convenience of inflation, the application provides a flat air valve capable of inflating and deflating.

The utility model provides a flat pneumatic valve that can fill gassing, includes the gas storage chamber and is used for controlling the control part of treating the inside atmospheric pressure of inflatable article, gas storage chamber outer wall is flexible wall, the control part is including air feed column, upper cover and lower cover, the gas storage chamber with be connected with the channel of supplying gas between the air feed column, be equipped with the second air inlet chamber in the air feed column, the second air inlet chamber with the channel intercommunication of supplying gas, the both ends opening in second air inlet chamber is sealed respectively to upper cover and lower cover, the inflation inlet of article is treated in the lower cover still shutoff.

Through adopting above-mentioned technical scheme, when aerifing the pressure boost, open the lower cover, make to wait to fill article inner space and second air inlet chamber intercommunication, and then with the air storage chamber intercommunication, extrusion air storage chamber, make the air in the air storage chamber extruded to waiting to fill in the article, then close the lower cover and open the upper cover, air storage chamber gas is extruded to wait to fill in the article back atmospheric pressure lower, consequently can inhale to the air storage intracavity with the gas outside the upper cover, accomplish inflating of air storage chamber, it inflates to wait to fill article conveniently next time, be favorable to improving the convenience of aerifing.

The present application may be further configured in a preferred example to: the upper cover and the lower cover have the same structure.

By adopting the technical scheme, the control part is convenient to process, and the installation is simpler.

The present application may be further configured in a preferred example to: the post of ventilating still includes the first chamber of admitting air with the second chamber intercommunication of admitting air, the upper cover include with the post sliding connection's of ventilating last gasket, the lower cover include with the post sliding connection's of ventilating lower gasket, go up the gasket slidable to with first chamber diapire butt of admitting air, lower gasket slidable to with the second chamber diapire butt of admitting air.

Through adopting above-mentioned technical scheme, when aerifing, the extrusion gas storage chamber, the atmospheric pressure of second air inlet intracavity is greater than the external world and wait to fill article inside, consequently, extrude the top seal piece and make the bottom wall of top seal piece and first air inlet chamber support tightly, and the bottom seal piece is pushed away and is separated with the bottom wall of second air inlet chamber, thereby make gaseous unable follow first air inlet chamber spill over to the external world, also make gaseous gap between second air inlet chamber and the bottom seal piece flow to waiting to fill in the article, consequently need not manual movement upper cover and lower cover, it is more convenient to make the pneumatic valve aerify.

The present application may be further configured in a preferred example to: the peripheral wall of the upper sealing piece and the peripheral wall of the lower sealing piece are inclined peripheral surfaces, an upper inclined plane groove is formed in the bottom wall of the first air inlet cavity and used for being attached to the peripheral surfaces of the upper sealing piece, and a lower inclined plane groove is formed in the bottom wall of the second air inlet cavity and used for being attached to the peripheral surfaces of the lower sealing piece.

Through adopting above-mentioned technical scheme, increase the diapire area of seal piece and admit air chamber under the condition of the volume that need not too much increase seal piece for gaseous difficult following and overflowing between seal piece and the admit air chamber.

The present application may be further configured in a preferred example to: the upper cover include with the upper end cover that the last gasket links to each other, the lower cover include with the lower end cover that the lower gasket links to each other, be equipped with in the ventilation post and restrict upper end cover and lower end cover roll-off the last restriction ring and the lower restriction ring of ventilation post.

By adopting the technical scheme, when the air pressure in the object to be inflated is lower, the upper cover and the lower cover cannot be separated from the ventilation column.

The present application may be further configured in a preferred example to: the upper cover still includes the last spliced pole that links to each other with last gasket, go up the spliced pole and be connected with the stopper, the upper end cover is connected with the post that slides, go up the stopper joint in go up in the post that slides.

Through adopting above-mentioned technical scheme, to go up the restriction piece and peg graft in last sliding column for go up the restriction piece joint in last sliding column, thereby accomplish the installation of upper cover.

The application may be further configured in a preferred example to: the length of the sliding column is greater than the gap distance between the upper sealing sheet and the lower end cover.

Through adopting above-mentioned technical scheme, when the gassing, promote the upper end cover, the synchronous drive upper seal piece slides and makes the upper seal piece promote the lower end cover for the lower seal piece is promoted and with lower bevel groove separation, thereby make and wait to fill article inside and second air inlet chamber and first air inlet intracavity intercommunication, and then make and wait to fill the gaseous outflow in the article, thereby reach the effect of gassing.

The present application may be further configured in a preferred example to: the top end of the ventilation column is covered with a sealing cover.

By adopting the technical scheme: the cover can prevent dust from entering when the inflation and deflation are not needed.

1. When the air is inflated and pressurized, the lower cover is opened, so that the inner space of the object to be inflated is communicated with the second air inlet cavity and further communicated with the air storage cavity, the air storage cavity is extruded, air in the air storage cavity is extruded into the object to be inflated, then the lower cover is closed and the upper cover is opened, air in the air storage cavity is extruded into the object to be inflated, and then the air pressure is lower, so that air outside the upper cover is absorbed into the air storage cavity, the air in the air storage cavity is inflated, the object to be inflated next time is conveniently inflated, and the convenience in inflation is improved;

2. during inflation, the gas storage cavity is extruded, the air pressure in the second gas inlet cavity is larger than the outside and the inside of an article to be inflated, so that the upper sealing sheet is extruded to enable the upper sealing sheet to be abutted against the bottom wall of the first gas inlet cavity, and the lower sealing sheet is pushed open to be separated from the bottom wall of the second gas inlet cavity, so that gas cannot overflow from the first gas inlet cavity to the outside, and the gas flows into the article to be inflated from a gap between the second gas inlet cavity and the lower sealing sheet, so that the upper cover and the lower cover do not need to be moved manually, and the gas valve is more convenient to inflate;

3. when gassing, promote the upper end cover, drive in step and go up the gasket and slide and make the gasket promote the lower extreme cover for the gasket is promoted and with the separation of lower bevel groove down, thereby makes and treats that the article of filling is inside to be admitted air chamber and the first intracavity intercommunication of admitting air with the second, and then makes and treats the gaseous outflow in the article of filling, thereby reaches the effect of gassing.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an inflatable flat gas valve of the present application;

fig. 2 is a cross-sectional view of an inflatable flat gas valve of the present application.

Description of reference numerals: 1. a gas storage cavity; 2. ventilating columns; 3. a first air intake chamber; 4. a second air intake chamber; 5. an upper cover; 6. a lower cover; 7. sealing the cover; 8. an air inlet; 9. an air intake passage; 10. an upper sealing sheet; 11. an upper connecting column; 12. an upper limiting block; 13. an upper sliding column; 14. an upper end cover; 15. an upper clamping ring; 16. an upper confinement ring; 17. an upper inclined plane groove; 18. a lower sealing sheet; 19. a lower bevel groove; 20. a lower sliding column; 21. a lower limiting block; 22. a lower snap ring; 23. a lower end cover; 24. a lower connecting column; 25. a lower confinement ring.

Detailed Description

The following description of the exemplary embodiments of the present application, taken in conjunction with the accompanying drawings, includes various details of the embodiments of the application for the understanding of the same, which are to be considered exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present application. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

It should be noted that the terms "first", "second", etc. in the present invention are used for distinguishing similar objects, and are not necessarily used for describing a particular order or sequence. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the disclosure described herein are capable of operation in sequences other than those illustrated or otherwise described herein. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure.

In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship, unless otherwise specified.

The present application is described below with reference to the accompanying drawings.

Referring to fig. 1 and 2, a flat gas valve capable of charging and discharging gas comprises a gas storage cavity 1 and a control part, wherein the control part comprises a ventilation column 2 for gas flowing, the ventilation column 2 is hollow, a first gas inlet cavity 3 and a second gas inlet cavity 4 which are communicated are arranged in the ventilation column 2, the bottom openings of the first gas inlet cavity 3 and the second gas inlet cavity 4 are respectively covered with an upper cover 5 and a lower cover 6, and the outer side wall of the ventilation column 2 is hinged with a sealing cover 7 for sealing the top opening of the first gas inlet cavity 3.

Referring to fig. 1 and 2, the gas storage cavity 1 is an elastic cavity, in this embodiment, the gas storage cavity 1 is a rubber cavity, and the gas in the gas storage cavity 1 can be pressed out by pressing the cavity wall of the gas storage cavity 1.

Referring to fig. 1 and 2, an air inlet 8 is formed in the side wall of the vent cylinder 2, an air inlet passage 9 is communicated between the vent cylinder 2 and the air storage chamber 1, and the air inlet passage 9 is communicated with the air inlet 8.

Referring to fig. 1 and 2, the upper cover 5 and the lower cover 6 have the same shape. The upper cover 5 comprises an upper sealing sheet 10, an upper connecting column 11 extending into the first air inlet cavity 3 is integrally connected to one side of the upper sealing sheet 10, an upper limiting block 12 is integrally connected to one end, far away from the upper sealing sheet 10, of the upper connecting column 11, and the upper limiting block 12 is in a circular truncated cone shape and is larger than the bottom surface area of the upper connecting column 11 in the area of one end, connected with the upper connecting column 11, of the upper limiting block 12.

Referring to fig. 1 and 2, the upper cover 5 further includes an upper sliding column 13 and an upper end cover 14 integrally connected with one end of the upper sliding column 13, the upper sliding column 13 is hollow and has an opening at one end, an inner peripheral wall of the upper sliding column 13 is integrally connected with an upper clamping ring 15, one end of a bottom wall of the upper clamping ring 15 is flush with the opening of the upper sliding column 13, the upper limiting block 12 is located in the upper sliding column 13 and abuts against and is attached to one end, close to the upper end cover 14, of the bottom wall of the upper connecting column 11 and one end, close to the upper end cover 14, of the upper limiting block 12, and therefore the relative movement of the upper sealing sheet 10 and the upper sliding column 13 is limited.

Referring to fig. 1 and 2, an upper limit ring 16 is fixedly connected to the first intake chamber 3, an inner circumferential wall of the upper limit ring 16 is attached to an outer circumferential wall of the upper sliding column 13, and the upper limit ring 16 is provided to limit a sliding distance of the upper sliding column 13 and to limit the separation of the upper cover 5 from the first intake chamber 3.

Referring to fig. 1 and 2, the upper seal fin 10 is in the shape of a flat circular truncated cone, and one side of the upper seal fin 10 connected to the upper connecting column 11 has a small area. The diapire of first air inlet chamber 3 is opened has annular upper inclined plane groove 17, and when the opening was held at 3 bottoms in first air inlet chamber of upper cover 5 shutoff, the slope of upper sealing piece 10 was global to support tightly with upper inclined plane groove 17 cell wall for gaseous gap that is difficult for between upper sealing piece 10 and the upper inclined plane groove 17 spills over.

Referring to fig. 1 and 2, the second air intake cavity 4 is provided with a lower inclined groove 19 and a lower limiting ring 25, which are the same as the first air intake cavity 3, and the lower cover 6 is provided with a lower sealing sheet 18, a lower sliding column 20, a lower limiting block 21, a lower clamping ring 22, a lower end cover 23 and a lower connecting column 24, which are the same as the upper cover 5.

Referring to fig. 1 and 2, the second air inlet cavity 4 is communicated with the air inlet 8, when the object to be inflated is filled with air, the lower sealing sheet 18 is attached to the lower inclined plane groove 19, the upper sealing sheet 10 is attached to the upper inclined plane groove 17, the second air inlet cavity 4, the air storage cavity 1 and the air pressure inside the inflated object are the same, therefore, the lower sealing sheet 18 is stably attached to the lower inclined plane groove 19, the two first air inlet cavities 3 are communicated with the outside, the air pressure in the first air inlet cavity 3 is smaller than that in the second air inlet cavity 4, therefore, the upper sealing sheet 10 is pressed and attached to the upper inclined plane groove 17, and the air leakage condition is favorably reduced.

When the inflatable article needs to be inflated, the sealing cover 7 is opened, the gas storage cavity 1 is then squeezed, gas in the gas storage cavity 1 is squeezed into the gas supply channel, the gas enters the second gas inlet cavity 4, the gas upwards jacks up the upper sealing sheet 10, so that the gas cannot overflow from a gap between the upper sealing sheet 10 and the upper inclined plane groove 17, meanwhile, the gas downwards pushes the lower sealing sheet 18, the lower sealing sheet 18 drives the lower sliding column 20 to downwards slide, and the gas flows to the inside of the article to be inflated from the gap between the lower sealing sheet 18 and the lower inclined plane groove 19.

After the gas storage cavity 1 is released, the gas storage cavity 1 and the second gas inlet cavity 4 are low in air pressure, the upper sealing plate 10 and the lower sealing plate 18 move towards the direction close to each other, the lower sealing plate 18 cannot move upwards due to the limitation of the lower inclined groove 19, so that the bottom opening of the second gas inlet cavity 4 is blocked, the gas inside the inflated object is difficult to flow out, the upper sealing plate 10 drives the upper sliding column 13 to slide downwards, the first gas inlet cavity 3 is communicated with the second gas inlet cavity 4, the air pressure in the second gas inlet cavity 4 is low, the first gas inlet cavity 3 can be sucked by the external air, and the gas storage cavity 1 is filled with again.

When the inside gas of article will be inflated by needs emits, open closing cap 7, promote upper end cover 14 downwards, upper end cover 14 drives upper sliding column 13 and slides to second air intake chamber 4, thereby make upper seal piece 10 lapse, upper seal piece 10 slides as for lower end cover 23 butt and then promote lower end cover 23, thereby promote lower seal piece 18, make lower seal piece 18 and lower inclined plane groove 19 separation, the bottom opening of first air intake chamber 3 and second air intake chamber 4 all opens this moment, make the inside gas of article flow to second air intake chamber 4 and flow out from first air intake chamber 3, thereby reach the effect of gassing.

It should be understood that various forms of the flows shown above may be used, with steps reordered, added, or deleted. For example, the steps described in the present application may be executed in parallel, sequentially, or in different orders, as long as the desired results of the technical solutions disclosed in the present application can be achieved, and the present invention is not limited herein.

The above-described embodiments should not be construed as limiting the scope of the present application. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made in accordance with design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (8)

1. The utility model provides a flat pneumatic valve of inflatable air, its characterized in that, includes gas storage chamber (1) and is used for controlling the control part of treating the inside atmospheric pressure of inflatable article, gas storage chamber (1) outer wall is flexible wall, the control part is including ventilating post (2), upper cover (5) and lower cover (6), gas storage chamber (1) with be connected with the air feed passageway between ventilating post (2), be equipped with second air inlet chamber (4) in ventilating post (2), second air inlet chamber (4) with the air feed passageway intercommunication, the both ends opening in second air inlet chamber (4) is sealed respectively to upper cover (5) and lower cover (6), lower cover (6) still shutoff is treated the inflation inlet of inflatable article.

2. Flat gas valve for inflatables and gasses according to claim 1 characterised in that the upper cover (5) is of the same construction as the lower cover (6).

3. Flat gas valve for inflating and deflating according to claim 2, wherein the vent column (2) further comprises a first gas inlet chamber (3) communicating with a second gas inlet chamber (4), the upper cover (5) comprises an upper sealing sheet (10) slidably connected with the vent column (2), the lower cover (6) comprises a lower sealing sheet (18) slidably connected with the vent column (2), the upper sealing sheet (10) is slidably abutted against the bottom wall of the first gas inlet chamber (3), and the lower sealing sheet (18) is slidably abutted against the bottom wall of the second gas inlet chamber (4).

4. The flat gas valve for inflation and deflation as claimed in claim 3, wherein the peripheral walls of the upper sealing sheet (10) and the lower sealing sheet (18) are inclined peripheral surfaces, the bottom wall of the first gas inlet cavity (3) is provided with an upper inclined surface groove (17) for the peripheral surface of the upper sealing sheet (10) to adhere to, and the bottom wall of the second gas inlet cavity (4) is provided with a lower inclined surface groove (19) for the peripheral surface of the lower sealing sheet (18) to adhere to.

5. Flat gas valve for inflation and deflation as claimed in claim 4, wherein the upper cover (5) comprises an upper cover (14) connected to the upper sealing plate (10), the lower cover (6) comprises a lower cover (23) connected to the lower sealing plate (18), and the upper and lower limiting rings (16, 25) are provided in the vent column (2) to limit the upper and lower covers (14, 23) from sliding out of the vent column (2).

6. Flat gas valve for inflation and deflation as claimed in claim 5, wherein the upper cover (5) further comprises an upper connecting column (11) connected to the upper sealing sheet (10), the upper connecting column (11) is connected to an upper limiting block (12), the upper cover (14) is connected to an upper sliding column (13), and the upper limiting block (12) is clamped in the upper sliding column (13).

7. Flat gas valve for inflation and deflation as claimed in claim 6 wherein the length of the sliding column is larger than the gap distance between the upper sealing piece (10) and the lower end cap (23).

8. Flat gas valve for inflation and deflation as claimed in claim 1 wherein the top end of the vent post (2) is capped with a closure cap (7).

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