CN220181545U

CN220181545U - Pressure self-adaptive cover airbag with one-way valve

Info

Publication number: CN220181545U
Application number: CN202321557209.9U
Authority: CN
Inventors: 肖志勇; 杨小锋
Original assignee: Rkb Sh Co ltd
Current assignee: Rkb Sh Co ltd
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2023-12-15
Anticipated expiration: 2033-06-19

Abstract

The utility model discloses a pressure self-adaptive cover air bag with a one-way valve, wherein the lower surface of a first boss at the inner side of one end of a clamping ring is provided with a valve cylinder, the inside of the valve cylinder is provided with a plug cylinder which is matched with a piston sleeve, the top of the piston sleeve is provided with a plug cap, the bottom end of the valve cylinder is provided with a cross support frame, the inside of the plug cylinder is provided with cylindrical filter cotton, the cylindrical filter cotton is supported on the cross support frame, the upper surface of the clamping ring is provided with a plurality of first air grooves, the periphery of the clamping ring is provided with an inclined surrounding edge, and the outer surface of the inclined surrounding edge is provided with a plurality of second air grooves.

Description

Pressure self-adaptive cover airbag with one-way valve

Technical Field

The utility model relates to the technical field of cover air bags, in particular to a pressure self-adaptive cover air bag with a one-way valve.

Background

The cover refers to a container, a covering sealer on top of an open article, generally round, square or other shaped, capable of shielding dust and contaminants. At present, an aluminum film or other films are generally adopted to seal internal products in a tank body, and when microbial products for generating gas, such as protein powder, coffee beans, milk powder, seafood, pickle and the like, or when the microbial products are actually transported, the tank body is easily bulged or the sealing films are broken due to pressure difference or temperature, and once the sealing films are broken, the shelf life of foods in the tank body is greatly reduced, so that an improved technology is needed to solve the problem in the prior art.

Disclosure of Invention

The utility model aims to provide a pressure self-adaptive cover air bag with a one-way valve, external air cannot enter a tank body, the quality guarantee period of food is ensured under the condition of avoiding the tank body damage caused by overlarge pressure in the tank body, meanwhile, the one-way valve is formed by a piston sleeve and a piston cylinder, the piston sleeve is directly sleeved on the piston cylinder, the structure is simpler, the processing is convenient, the operation is more convenient, and cylindrical filter cotton is arranged, so that external dust or water cannot reversely enter the tank body, the food safety is ensured, and powder or liquid content is prevented from overflowing, so that the problems in the background art are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a pressure-adaptive cover airbag with a one-way valve, characterized in that: the novel valve comprises a clamping ring, an air bag, a valve cylinder body and a piston sleeve, wherein the clamping ring is of an annular structure, a first boss is arranged on the inner side of one end of the clamping ring, the lower surface of the first boss is provided with the valve cylinder body, a piston cylinder is arranged in the valve cylinder body, the piston cylinder is matched with the piston sleeve, the piston sleeve is sleeved on the outer surface of the piston cylinder, cylindrical filter cotton is arranged in the piston cylinder, the top of the piston sleeve is provided with a piston cap and is of an integral structure with the piston cap, a cross support frame is arranged at the bottom end of the valve cylinder body, the cylindrical filter cotton is supported on the cross support frame, a plurality of first air grooves are formed in the upper surface of the clamping ring, an inclined surrounding edge is arranged on the periphery of the clamping ring, a plurality of second air grooves are formed in the outer surface of the inclined surrounding edge, and clamping grooves are formed in the bottom end of the clamping ring;

the periphery of gasbag is provided with the go-between, the go-between links to each other with the snap ring and sets up in the draw-in groove, the inboard of go-between is provided with the second boss, the connecting hole has been seted up to the second boss, the second boss corresponds with the position of first boss, the valve barrel wears to locate the connecting hole that the second boss was opened.

Preferably, the utility model provides a pressure self-adaptive cover air bag with a one-way valve, wherein the air bag adopts a silica gel sheet, and a concave body is arranged in the middle of the air bag.

Preferably, the utility model provides a pressure self-adaptive cover airbag with a one-way valve, wherein the airbag and a connecting ring are of an integrated structure.

Preferably, the utility model provides a pressure self-adaptive cover air bag with a one-way valve, wherein the periphery of a plug cylinder is connected with the inner wall of a valve cylinder body through a bottom plate, and the plug cylinder and the bottom plate are of an integrated structure.

Preferably, the pressure self-adaptive cover airbag with the one-way valve provided by the utility model is characterized in that the piston sleeve and the piston cap are made of silica gel.

Compared with the prior art, the utility model has the beneficial effects that:

the first boss of snap ring is provided with the valve barrel, the inside piston sleeve that is provided with of valve barrel, when jar internal pressure reached the threshold value, gas was discharged from between piston sleeve inner wall and the stopper section of thick bamboo outer wall, get into in the cover, after the gas balance, piston sleeve is the tight stopper section of thick bamboo of compaction again is sealed, external gas can't get into the jar simultaneously, under the circumstances that the jar body is damaged because of the too big pressure inside avoiding jar body, still guaranteed the shelf life of food, the check valve that comprises piston sleeve and stopper section of thick bamboo simultaneously, and the piston sleeve direct sleeve can at the stopper section of thick bamboo, the structure is simpler, the processing of being convenient for, and it is more convenient to be provided with cylindricality filter cotton on the one hand, external dust or water can't reverse get into jar body, guarantee food safety, on the other hand, prevent that powdered or liquid content from overflowing.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the angle change structure of FIG. 1;

FIG. 3 is a schematic diagram of a snap ring structure;

FIG. 4 is a schematic view of an air bag structure;

fig. 5 is a schematic view of the structure of the valve cylinder.

FIG. 6 is a schematic diagram of the cross-sectional structure and positional relationship of the valve cylinder and the piston sleeve.

In the figure: clasp 1, gasbag 2, stopper cylinder 3, valve barrel 4, piston sleeve 5, cross support frame 6, cock cap 7, first air tank 8, oblique surrounding edge 9, second air tank 10, first boss 11, go-between 12, second boss 13, concave body 14, bottom plate 15, cylindricality filter cotton 16.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, based on the embodiments of the utility model, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the utility model;

it should be noted that, in the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", "lower", "both sides", "one end", "the other end", "left", "right", etc. are directions or positional relationships based on the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a pressure self-adaptation lid gasbag with check valve, including snap ring 1, gasbag 2, valve barrel 4, piston sleeve 5, snap ring 1 is annular structure, snap ring 1's inboard is provided with first boss 11, first boss 11 lower surface is provided with valve barrel 4, valve barrel 4 inside is provided with stopper tube 3, stopper tube 3 periphery links to each other with valve barrel 4 inner wall through bottom plate 15, stopper tube 3 and piston sleeve 5 cooperation, piston sleeve 5 cover is located stopper tube 3 surface, when jar internal pressure is big, piston sleeve 5 is jacked up, the air current is gone out from between piston sleeve 5 inner wall and the stopper tube 3 outer wall, when external pressure is big, piston sleeve 5 is compressed tightly at stopper tube 3 outer wall, gas can't get into the jar body, at this moment, gasbag 2 inwards expand in the jar, stopper tube 3 inside is provided with cylindricality filter cotton 16, in order to realize filtering, the top of piston sleeve 5 is equipped with the cock cap 7 and with cock cap 7 as an organic whole structure, the piston sleeve 5 and the piston cap 7 are of an integrated structure and are made of silica gel, the piston cylinder 3 and the bottom plate 15 are of an integrated structure, when the air pressure in the tank body is overlarge, air moves upwards from between the outer wall of the piston sleeve 5 and the inner wall of the piston cylinder 3, the piston cap 7 is jacked up to realize the exhaust of the tank body, the piston sleeve 5 is made of silica gel, the deformation of the piston sleeve 5 can be realized, thereby realizing the exhaust, the bottom end of the valve cylinder 4 is provided with the cross support frame 6, the cylindrical filter cotton 16 is supported on the cross support frame 6, the upper surface of the clamping ring 1 is provided with a plurality of first air grooves 8, the periphery of the clamping ring 1 is provided with an inclined surrounding edge 9, a plurality of second air grooves 10 are formed on the outer surface of the inclined surrounding edge 9, when the air is discharged from the tank body and the valve cylinder 4, the air enters the upper part, is discharged from the first air grooves 8 and the second air grooves 10 into the cover, and is discharged from the screw threads of the cover to the outside of the cover, the bottom end of the clamping ring 1 is provided with a clamping groove;

the gasbag 2 adopts the silica gel thin slice, and the intermediate position of gasbag 2 is provided with concave body 14, improves the deformation volume of gasbag 2 as far as possible, and the periphery of gasbag 2 is provided with go-between 12, and gasbag 2 and go-between 12 are integrated into one piece structure, guarantee the wholeness to be convenient for processing, go-between 12 link to each other with snap ring 1 and set up in the draw-in groove, and the inboard of go-between 12 is provided with second boss 13, and the connecting hole has been seted up to second boss 13, and second boss 13 corresponds with the position of first boss 11, and the connecting hole that second boss 13 opened is worn to locate by valve barrel 4.

The manufacturing method and the use principle are as follows: the clamping ring 1 and the air bag 2 are respectively manufactured through compression molding, injection molding and other processes, and a first boss 11 on the inner side of the clamping ring 1 is provided with a valve cylinder 4. The assembly method comprises the following steps: the connecting ring 12 at the periphery of the air bag 2 is pressed or stuck into the clamping groove of the clamping ring 1, the connecting hole of the second boss 13 is sleeved outside the valve cylinder 4, then the cylindrical filter cotton 16 is inserted into the plug cylinder 3, and the piston sleeve 5 is sleeved outside the plug cylinder 3, so that the assembly is completed. When the air bag cover is used, the combination of the clamping ring 1 and the air bag 2 is placed in the corresponding cover and pressed into the cover, and when the cover is covered on the corresponding tank body, the lower surface of the connecting ring 12 at the periphery of the air bag 2 is matched with the top of the tank body to play a role in sealing. When the pressure in the tank body is greater than the pressure outside the tank, the concave body 14 of the air bag 2 is jacked up for buffering by the internal gas expansion, if the pressure difference is continuously increased, the gas enters between the piston sleeve 5 and the piston cylinder 3 from the position between the piston cap 7 and the top of the piston cylinder 3 and moves out from the inner wall of the piston sleeve 5 and the outer wall of the piston cylinder 3, and at the moment, the piston sleeve 5 is jacked up by the gas and deformed outwards. Because the device is arranged in the cover, the plug cap 7 cannot move upwards infinitely, and can prop against the cover after being upwards moved by about 1 mm. Then the gas passes through the first air groove 8 on the upper surface of the clamping ring 1 and the second air groove 10 on the outer side of the inclined surrounding edge 9, and is discharged from the thread gap between the cover and the tank body, so that the pressure self-adaption in the tank body is realized, and the burst of the tank body or the reduction of the tightness between the cover and the tank body is avoided. The utility model has reasonable structure, is integrally arranged in the cover, the first boss 11 of the clamping ring 1 is provided with the valve cylinder body 4, the valve cylinder body 4 is internally provided with the piston sleeve 5, when the pressure in the tank body reaches a threshold value, gas is discharged from the space between the inner wall of the piston sleeve 5 and the outer wall of the plug cylinder 3 and enters the tank cover, after the gas is balanced, the piston sleeve 5 is compressed again to seal the plug cylinder 3, and meanwhile, the external gas cannot enter the tank body, so that the quality guarantee period of food is ensured under the condition that the tank body is damaged due to overlarge pressure in the tank body, and meanwhile, the one-way valve formed by the piston sleeve 5 and the plug cylinder 3 is directly sleeved on the plug cylinder 3.

The present utility model is not described in detail in the present application, and is well known to those skilled in the art.

Finally, what is to be described is: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the examples, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. A pressure-adaptive cover airbag with a one-way valve, characterized in that: the novel air-conditioner valve comprises a clamping ring (1), an air bag (2), a valve cylinder body (4) and a piston sleeve (5), wherein the clamping ring (1) is of an annular structure, a first boss (11) is arranged on the inner side of one end of the clamping ring (1), the valve cylinder body (4) is arranged on the lower surface of the first boss (11), a plug cylinder (3) is arranged inside the valve cylinder body (4), the plug cylinder (3) is matched with the piston sleeve (5), the piston sleeve (5) is sleeved on the outer surface of the plug cylinder (3), cylindrical filter cotton (16) is arranged inside the plug cylinder (3), a plug cap (7) is arranged at the top of the piston sleeve (5) and is of an integral structure with the plug cap (7), a cross support frame (6) is arranged at the bottom end of the valve cylinder body (4), a plurality of first air grooves (8) are formed in the upper surface of the clamping ring (1), inclined edges (9) are arranged on the periphery of the clamping ring (1), a plurality of second air grooves (10) are formed in the outer surface of the inclined edges (9), and the clamping ring (1) is provided with a plurality of grooves;

the periphery of gasbag (2) is provided with go-between (12), go-between (12) link to each other with snap ring (1) and set up in the draw-in groove, the inboard of go-between (12) is provided with second boss (13), the connecting hole has been seted up to second boss (13), the position of second boss (13) and first boss (11) is corresponding, the connecting hole that second boss (13) opened is worn to locate by valve barrel (4).

2. A pressure-adaptive cover bladder with a one-way valve as in claim 1, wherein: the air bag (2) adopts a silica gel sheet, and a concave body (14) is arranged in the middle of the air bag (2).

3. A pressure-adaptive cover bladder with a one-way valve as in claim 1, wherein: the air bag (2) and the connecting ring (12) are of an integrated structure.

4. A pressure-adaptive cover bladder with a one-way valve as in claim 1, wherein: the periphery of the plug cylinder (3) is connected with the inner wall of the valve cylinder body (4) through a bottom plate (15), and the plug cylinder (3) and the bottom plate (15) are of an integrated structure.

5. A pressure-adaptive cover bladder with a one-way valve as in claim 1, wherein: the piston sleeve (5) and the plug cap (7) are made of silica gel.