CN216970653U

CN216970653U - Umbrella valve structure of vacuum preservation box

Info

Publication number: CN216970653U
Application number: CN202220451845.2U
Authority: CN
Inventors: 石正兵
Original assignee: Guangdong Taili Technology Group Co Ltd
Current assignee: Guangdong Taili Technology Group Co Ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-07-15
Anticipated expiration: 2032-02-23

Abstract

The utility model discloses an umbrella valve structure of a vacuum preservation box, which comprises an umbrella valve body arranged at an exhaust hole of the preservation box, wherein the umbrella valve body comprises an anti-dropping disc attached to the inner side surface of the preservation box and a valve cover attached to the outer side surface of the preservation box, the bottom surface of the valve cover is attached to the outer side surface of the preservation box and covers the exhaust hole, and a sealing convex ring surrounding the exhaust hole is arranged on the bottom surface of the valve cover.

Description

Umbrella valve structure of vacuum preservation box

[ technical field ] A

The utility model particularly relates to an umbrella valve structure of a vacuum preservation box.

[ background of the utility model ]

When the vacuum preservation box is used for storing food, the box is lack of air, so that the food oxidation-reduction reaction and the microbial growth in the food are inhibited, and the preservation period of the food is prolonged. Traditional vacuum preservation box, its box body and lid can seal the lid and close, the exhaust hole has been seted up on the lid, the exhaust hole also can set up on the box body sometimes, exhaust hole department is equipped with the umbrella valve that plays the check valve effect, be equipped with the valve bonnet on the umbrella valve, the valve bonnet covers in the preservation box outside and seals the exhaust hole, when to the preservation box evacuation, because the preservation box outside produces the negative pressure, the valve bonnet warp the exhaust air, after the completion of bleeding, form the negative pressure in the box, the outside atmospheric pressure of box tightly presses the valve bonnet on the preservation box outside, the valve bonnet seals the exhaust hole, prevent that the air from getting into. However, the valve cover of the traditional umbrella valve generally covers the outer side of the preservation box in a face-to-face mode, and can deform under the action of the air pressure difference between the inner pressure and the outer pressure of the preservation box, and the flatness of the surface of the valve cover has tolerance, so that the valve cover is easy to leak after the preservation box is vacuumized, the outside air enters the preservation box, the time for maintaining the vacuum state in the box is shortened, and the effect of prolonging the food preservation period is greatly reduced.

The present invention has been made in view of the above-mentioned disadvantages.

[ Utility model ] A method for manufacturing a semiconductor device

The utility model aims to overcome the defects of the prior art and provides an umbrella valve structure, and a vacuum preservation box applying the umbrella valve structure can ensure sealing and improve processing efficiency.

The utility model is realized through the following technical scheme:

the utility model provides a vacuum preservation box umbrella valve structure, is including setting up the umbrella valve body in the exhaust hole department of preservation box, umbrella valve body including paste the anticreep dish that leans on the preservation box inside face and paste the valve bonnet that leans on the preservation box lateral surface, the bottom surface of valve bonnet pastes and leans on the preservation box lateral surface and seals and cover the exhaust hole, the valve bonnet is equipped with the sealed bulge loop that surrounds the exhaust hole on the bottom surface.

Further preferably, the section of the sealing convex ring is arc-shaped, so that one side of the sealing convex ring facing the outer side surface of the preservation box forms an arc-shaped surface.

Preferably, the valve bonnet is circular, and the sealing convex ring is arranged on the edge of the valve bonnet.

Preferably, the umbrella valve body including the cock stem that passes the exhaust hole, cock stem one end is connected the anticreep dish and the cock stem other end is connected the valve bonnet, the lateral wall of cock stem on be equipped with a plurality of along the first cell body of axial extension, the anticreep dish on be equipped with the second cell body that corresponds with first cell body, the logical groove of second cell body for running through the anticreep dish, the bottom surface of valve bonnet on be equipped with the third cell body that corresponds with first cell body, second cell body, first cell body and third cell body communicate mutually.

According to the umbrella valve structure of the vacuum preservation box, the handle used for pressing or pulling the umbrella valve body to deform the valve cover is arranged at the top of the umbrella valve body.

According to the umbrella valve structure of the vacuum preservation box, the umbrella valve body is made of soft materials, and the umbrella valve body is internally provided with a blind hole which penetrates through the anti-falling disc, the plug column and the valve cover to reach the handle.

According to the umbrella valve structure of the vacuum preservation box, the top end of the handle is provided with the gripping part protruding outwards.

According to the umbrella valve structure of the vacuum preservation box, the number of the first groove bodies is at least three, the first groove bodies are uniformly distributed on the side wall of the plug column along the circumferential direction, and the second groove bodies and the third groove bodies which are the same in number are correspondingly arranged.

According to the umbrella valve structure of the vacuum preservation box, the umbrella valve body is made of silica gel materials.

Compared with the prior art, the utility model has the following advantages:

1. according to the valve cover, the sealing convex ring surrounding the exhaust hole is arranged on the bottom surface, after the preservation box is vacuumized, the valve cover is tightly attached to the outer side surface of the preservation box, and a circle of line contact is formed between the sealing convex ring and the outer side surface, so that the sealing effect is not influenced by the flatness of the bottom surface of the valve cover, and therefore in the processing and manufacturing process, only the flatness and the roughness of the sealing convex ring need to be guaranteed, the requirement on the flatness of the whole bottom surface of the valve cover is not high, the processing technology is simplified, the sealing effect is guaranteed, and the processing efficiency is improved;

2. the section of the sealing convex ring is arched, so that an arc-shaped surface is formed on one side of the sealing convex ring, which faces the outer side surface of the preservation box, the contact tightness of the sealing convex ring and the outer side surface is better, and the influence of the deformation of the valve cover on the contact sealing effect of the sealing convex ring and the outer side surface is smaller;

3. the umbrella valve is provided with the first groove body, the second groove body and the third groove body, a channel is formed, so that air can enter rapidly, the air can enter the inner side of the preservation box through the third groove body, the first groove body and the second groove body in sequence, the pressure inside and outside the preservation box is balanced, and therefore the box cover of the preservation box can be opened rapidly and conveniently.

[ description of the drawings ]

FIG. 1 is an exploded view of the vacuum crisper of the present invention;

FIG. 2 is a cross-sectional view of the vacuum crisper of the present invention;

fig. 3 is a partial enlarged view at a of fig. 2;

figure 4 is a force diagram of the umbrella valve of the present invention.

[ detailed description ] embodiments

The utility model is further described with the following figures:

the orientations described in the specification, such as "upper", "lower", "left", "right", "front", "back", and the like, are based on the orientation of the drawings, and are intended to describe relationships between respective components, and do not indicate unique or absolute positional relationships between respective components, and are only one embodiment of the present invention, and are not limited to the embodiment thereof.

As shown in figures 1 to 2, a vacuum preservation box umbrella valve structure, vacuum preservation box generally are equipped with the box body and can seal the lid that the lid closed on the box body, and the box body perhaps covers and is equipped with one or more exhaust hole 10, is provided with umbrella valve body 2 in exhaust hole 10 department, and umbrella valve body 2 generally wears to establish in exhaust hole 10. As shown in fig. 3 and 4, the umbrella valve body 2 includes an anti-release disk 21 attached to the inner side 11 of the preservation box 1 and a valve cover 22 attached to the outer side 12 of the preservation box 1, the anti-release disk 21 is clamped inside the preservation box 1, the bottom 221 of the valve cover 22 is attached to the outer side 12 of the preservation box 1 and covers the exhaust hole 10, the valve cover 22 is provided with a sealing convex ring 222 surrounding the exhaust hole 10 on the bottom 221, one sealing convex ring 222 can be provided, and a plurality of sealing convex rings 222 can be provided, after the preservation box 1 is vacuumized, the valve cover 22 is closely attached to the outer side 12 of the preservation box 1, so that a circle of line contact is formed between the sealing convex ring 222 and the outer side 12, the sealing effect is not affected by the flatness of the bottom 221 of the valve cover 22, thus, in the manufacturing process, only the flatness and the roughness of the sealing convex ring 222 need to be ensured, the flatness requirement of the whole bottom of the valve cover 22 is not high, the processing technology is simplified, the sealing effect is ensured, and the processing efficiency is improved.

As a preferred embodiment, as shown in fig. 3, the cross section of the sealing protrusion ring 222 is arched, so that the side of the sealing protrusion ring 222 facing the outer side surface 12 of the crisper 1 forms an arc-shaped surface, the sealing protrusion ring 222 is in contact with the outer side surface 12 more tightly, and the deformation of the valve cover 22 has less influence on the sealing effect of the contact between the sealing protrusion ring 222 and the outer side surface 12.

In more detail, because the inside and outside air pressure of the preservation box 1 is different, it is generally difficult to open the box cover of the preservation box 1, therefore, before opening the box cover, the inside and outside air pressure of the box needs to be balanced, so that the valve cover 22 needs to be deformed greatly, and then air can enter the box through the gap between the valve cover 22 and the outer side surface 12 of the preservation box 1, in order to cause the valve cover 22 to be deformed greatly, as shown in fig. 3 and 4, the handle 24 is arranged at the top of the umbrella valve body 2, and the valve cover 22 is deformed by pressing or pulling the handle 24.

As a more preferable embodiment, the valve cover 22 is circular, the sealing convex ring 222 is provided with one strip, the sealing convex ring 222 is provided at the edge of the valve cover 22, and compared with the sealing convex ring 222 provided at the middle of the valve cover 22, once the acting area of the valve cover 22 under the atmospheric pressure is increased, the pressure caused by the air pressure difference is increased, so that the valve cover 22 is tightly pressed on the outer side surface 12 of the crisper 1; secondly, when the cover of the crisper 1 needs to be opened, sometimes the valve cover 22 needs to be opened to enable the gas to enter the crisper 1 more quickly, so that the sealing convex ring 222 needs to be separated from the outer side surface 12 of the crisper 1, and the sealing convex ring 222 is arranged at the edge of the valve cover 22 for convenient operation.

Further optimization, as shown in fig. 3 and 4, the umbrella valve body 2 includes a plug 23 penetrating through the exhaust hole 10, one end of the plug 23 is connected with the anti-falling disc 21, the other end of the plug 23 is connected with the valve cover 22, the sidewall of the plug 23 is provided with a plurality of first grooves 231 extending along the axial direction, the anti-falling disc 21 is provided with a second groove 211 corresponding to the first groove 231, the second groove 211 is a through groove penetrating through the anti-falling disc 21, the bottom surface 221 of the valve cover 22 is provided with a third groove 223 corresponding to the first groove 231, the second groove 211, the first groove 231 and the third groove 223 are communicated, when air enters from the bottom surface 221 of the valve cover 22, the air can enter the inner side of the preservation box 1 through the third groove 223, the first groove 231 and the second groove 211 in sequence to form a channel, so that the air can enter rapidly and the pressure inside and outside the box is balanced, thereby facilitating rapid and rapid, The cover of the preservation box 1 is conveniently opened.

As a more preferable embodiment, as shown in fig. 3 and 4, at least the sealing convex ring 222 is made of soft material or the whole umbrella valve body 2 is made of soft material, where the umbrella valve body 2 can be made of silica gel material, and the blind hole 25 penetrating through the anti-drop disc 21, the plug 23 and the valve cover 22 to the handle 24 is arranged in the umbrella valve body 2, so as to save material and production cost; secondly, the handle 24 can be pressed or pulled to more easily deform the valve cover 22, so that the operation is convenient.

In order to facilitate pressing and pulling the handle 24, the top end of the handle 24 is provided with an outwardly protruding grip portion 241, and the grip portion 241 may be provided as a ring-shaped protrusion.

More specifically, as shown in fig. 3, the number of the first groove 231 is at least three, the first groove 231 is uniformly distributed on the sidewall of the plug 23 along the circumferential direction, and the second groove 211 and the third groove 223 are correspondingly arranged in the same number, so that the air circulation effect is ensured, and meanwhile, the structural stability of the umbrella valve is ensured.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a vacuum preservation box umbrella valve structure, includes umbrella valve body (2) that sets up in exhaust hole (10) department of preservation box (1), its characterized in that: umbrella valve body (2) including paste anticreep dish (21) of leaning on crisper (1) medial surface (11) and paste valve bonnet (22) on crisper (1) lateral surface (12), bottom surface (221) of valve bonnet (22) paste and lean on crisper (1) lateral surface (12) and seal and cover exhaust hole (10), valve bonnet (22) are equipped with sealed bulge loop (222) that surround exhaust hole (10) on bottom surface (221).

2. The umbrella valve structure of vacuum crisper of claim 1, wherein: the section of the sealing convex ring (222) is arc-shaped, so that one side of the sealing convex ring (222) facing the outer side surface (12) of the preservation box (1) forms an arc-shaped surface.

3. The umbrella valve structure of vacuum crisper of claim 1, wherein: the valve cover (22) is circular, and the sealing convex ring (222) is arranged on the edge of the valve cover (22).

4. The umbrella valve structure of vacuum crisper of claim 1, wherein: umbrella valve body (2) including passing stopper post (23) of exhaust hole (10), stopper post (23) one end is connected anticreep dish (21) and stopper post (23) other end connection valve bonnet (22), the lateral wall of stopper post (23) on be equipped with a plurality of along axially extended first cell body (231), anticreep dish (21) on be equipped with second cell body (211) that correspond with first cell body (231), second cell body (211) are for running through the logical groove of anticreep dish (21), bottom surface (221) of valve bonnet (22) on be equipped with third cell body (223) that correspond with first cell body (231), second cell body (211), first cell body (231) and third cell body (223) be linked together.

5. The umbrella valve structure of vacuum crisper of claim 4, wherein: the top of the umbrella valve body (2) is provided with a handle (24) which is used for pressing or pulling the umbrella valve body (2) to deform the valve cover (22).

6. The umbrella valve structure of vacuum crisper of claim 5, wherein: the umbrella valve body (2) is made of soft materials, and a blind hole (25) which penetrates through the anti-falling disc (21), the plug column (23) and the valve cover (22) to reach the handle (24) is formed in the umbrella valve body (2).

7. The umbrella valve structure of vacuum crisper of claim 5, wherein: the top end of the handle (24) is provided with a holding part (241) protruding outwards.

8. The umbrella valve structure of vacuum crisper of claim 4, wherein: the number of the first groove bodies (231) is at least three, the first groove bodies (231) are uniformly distributed on the side wall of the plug column (23) along the circumferential direction, and the second groove bodies (211) and the third groove bodies (223) which are the same in number are correspondingly arranged.

9. The umbrella valve structure of vacuum crisper of claim 1, wherein: the umbrella valve body (2) is of an integrally formed integral structure, and the whole umbrella valve body (2) is made of soft materials.

10. The umbrella valve structure of vacuum crisper of claim 1, wherein: the umbrella valve body (2) is made of silica gel materials.