CN219734342U

CN219734342U - Cold box

Info

Publication number: CN219734342U
Application number: CN202320632448.XU
Authority: CN
Inventors: 徐国平; 何勤跃
Original assignee: Zhejiang Jiesheng Low Temp Equipment Co ltd
Current assignee: Zhejiang Jiesheng Low Temp Equipment Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-09-22
Anticipated expiration: 2033-03-28

Abstract

The utility model provides a cold box which comprises a box body, a cover body and a valve body, wherein the cover body is arranged at the top of the box body, the cover body is hinged with the box body, a through hole is formed in the cover body, the valve body is arranged in the through hole, the valve body comprises a cavity, a connecting part and a pressure relief part, the cavity is arranged in the through hole and is in movable fit with the through hole, the connecting part is arranged at one side of the cavity adjacent to the box body and is detachably fixed with the cavity, the connecting part is in movable fit with the cover body, and the pressure relief part is arranged at one side of the cavity far away from the connecting part. According to the utility model, the cavity penetrates through the inside and outside of the cover body from the through hole, so that the first sealing element and the second sealing element plug the connecting gap, the cover cap is provided with the first pressure relief opening, the cavity is provided with the second pressure relief opening, the cover cap is sleeved at the position where the cavity is provided with the second pressure relief opening, and the cover cap rotates outside the cavity, so that the first pressure relief opening and the second pressure relief opening are in a superposition or dislocation state, and the inside of the box body is selectively decompressed.

Description

Cold box

Technical Field

The utility model relates to a valve body, in particular to a cold box, and belongs to the technical field of valves.

Background

When the cold box is in a closed sealing state for a long time, the temperature of the air in the cold box is reduced compared with that of the air in the cold box when the cold box just enters, the air volume in the cold box is reduced due to expansion caused by heat and contraction caused by cold, and the air pressure is smaller than the air pressure outside the cold box, so that the difference between the air pressure inside the cold box and the air pressure outside the cold box is formed, the cover body is sucked and is difficult to open, and when the cold box is opened again, the air pressure in the cold box and the air pressure outside the cold box are balanced, so that the cover body can be opened normally.

Disclosure of Invention

Based on the background, the utility model aims to provide the cold box which can balance the air pressure inside and outside the cold box and is easy to disassemble, and the problems in the background technology are solved.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides a cold box, includes box, lid and valve body, the lid sets up in the box top, the lid is articulated with the box, the lid is provided with the through-hole, the inside valve body that is provided with of through-hole, the valve body includes cavity, connecting portion and pressure release portion, the cavity part is arranged in the through-hole, cavity and through-hole movable fit, cavity is provided with connecting portion adjacent box one side, connecting portion can dismantle fixedly with the cavity, connecting portion and lid movable fit, cavity is provided with pressure release portion in connecting portion one side of being away from, pressure release portion includes dog, block, a plurality of first pressure release mouth and a plurality of second pressure release mouth, dog and cavity fixed connection, fixed connection can be dismantled with the lid to the block, block and cavity movable fit, block and dog movable fit, a plurality of first pressure release mouths have been seted up to the cavity, first mouthful and second pressure release mouth movable fit. The through hole can be convenient for place the valve body, and connecting portion and dog can restrict the position of valve body and lid, prevent the position drunkenness, and connecting portion is convenient for the valve body and is connected fixedly with the lid, and the dog can separate the shelves to lid and valve body, and the block rotates to first pressure release mouth and the coincidence of second pressure release mouth with the cavity and can carry out the pressure release in the box, and the block rotates to first pressure release mouth and dislocation of second pressure release mouth and can close the pressure release passageway with the cavity.

Preferably, the cap is provided with a roughened portion. The rough part can increase friction between a user and the cap, so that the cap can rotate more labor-saving.

Preferably, the second pressure relief opening is provided with a second sealing member, and the second sealing member is fixedly connected with the cavity. The second sealing piece can enable the second pressure relief opening to be sealed when hidden in the cover cap, and air leakage is prevented.

Preferably, a plurality of retraction braces are arranged between the stop block and the cap, a plurality of retraction braces are fixedly connected with the cap, and a plurality of retraction braces are detachably and fixedly connected with the stop block. The rotated cap can be restored to the original position by the plurality of retraction braces without position correction of a user.

Preferably, the opposite sides of the cavity and the cap are respectively provided with a first magnet piece and a second magnet piece, and the first magnet piece is magnetically connected with the second magnet piece. The first magnet piece is connected with the second magnet piece to prevent the cap from being separated from the cavity.

Preferably, the plurality of retraction braces are provided with a plurality of clip grooves, and the plurality of retraction braces and the plurality of clip grooves are matched and clamped with the plurality of clip grooves through the plurality of hook bodies. The hook body and the clamping groove of the return shape are connected with the connecting brace and the stop block in a clamping way, and the connection brace and the stop block are connected with each other in a clamping way, so that the inside of the cavity is cleaned, and the inside of the cavity is prevented from being blocked.

Preferably, the cavity is provided with threads, the connecting portion is provided with a threaded opening, and the cavity is connected with the connecting portion through threads and the threaded opening. The screw thread is closely connected with the screw thread mouth to prevent the separation of cavity and connecting portion.

Preferably, the stop block is provided with a first sealing element, the first sealing element is fixedly connected with the stop block, and the first sealing element is detachably abutted with the cover body. The first sealing piece can seal the gap between the stop block and the through hole to prevent air leakage.

Preferably, the connecting portion is provided with a third sealing member, the third sealing member is fixedly connected with the connecting portion, and the third sealing member is detachably abutted with the cover body. The third sealing piece can seal the gap between the connecting part and the through hole to prevent air leakage.

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

according to the cold box disclosed by the utility model, the cavity penetrates through the inside and the outside of the cover body from the through hole, so that the first sealing element and the second sealing element plug the connecting gap, the cover cap is provided with the first pressure relief opening, the cavity is provided with the second pressure relief opening, the cover cap is sleeved at the position where the cavity is provided with the second pressure relief opening, and the cover cap rotates outside the cavity, so that the first pressure relief opening and the second pressure relief opening are in a superposition or dislocation state, and the inside of the box body is selectively decompressed.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of the cold box of the present utility model;

FIG. 2 is a schematic diagram of the positional relationship between the cover and the through hole of the cooling box of the present utility model;

FIG. 3 is a schematic view of the valve body structure of the cold box of the utility model;

FIG. 4 is an exploded view of the valve body of the cold box of the present utility model;

fig. 5 is an enlarged schematic view of the portion a in fig. 3.

In the figure: 1. a case; 2. a cover body; 3. a valve body; 4. a through hole; 5. a cavity; 6. a connection part; 7. a pressure relief portion; 8. a stop block; 9. capping; 10. a first pressure relief vent; 11. a second pressure relief vent; 12. a roughness; 13. a second seal; 14. retracting the stay; 15. a hook body; 16. a clamping groove; 17. a thread; 18. a threaded port; 19. a first seal; 20. and a third seal.

Detailed Description

The technical scheme of the utility model is further specifically described below through specific embodiments and with reference to the accompanying drawings. It should be understood that the practice of the utility model is not limited to the following examples, but is intended to be within the scope of the utility model in any form and/or modification thereof.

In the present utility model, unless otherwise specified, all parts and percentages are by weight, and the equipment, materials, etc. used are commercially available or are conventional in the art. The methods in the following examples are conventional in the art unless otherwise specified. The components and devices in the following examples are, unless otherwise indicated, all those components and devices known to those skilled in the art, and their structures and principles are known to those skilled in the art from technical manuals or by routine experimentation.

In the following detailed description of embodiments of the utility model, reference is made to the accompanying drawings, in which, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the utility model. However, one or more embodiments may be practiced by one of ordinary skill in the art without these specific details.

As shown in fig. 1 and 2, a cold box comprises a box body 1, a cover body 2 and a valve body 3, the cover body 2 is arranged at the top of the box body 1, the cover body 2 is hinged with the box body 1, the cover body 2 is provided with a through hole 4, the valve body 3 is arranged inside the through hole 4, the through hole 4 can be used for conveniently placing the valve body 3, the valve body 3 comprises a cavity 5, a connecting part 6 and a pressure relief part 7, the cavity 5 is partially arranged in the through hole 4, the cavity 5 is movably matched with the through hole 4, the connecting part 6 is arranged on one side, adjacent to the box body 1, of the cavity 5, the cavity 5 is provided with threads 17, the connecting part 6 is provided with a threaded opening 18, the cavity 5 is connected with the threaded opening 18 through threads 17, the threads 17 are tightly connected with the threads 18 to prevent the cavity 5 from being separated from the connecting part 6, the connecting part 6 is movably matched with the cover body 2, the cavity 5 is far away from the connecting part 6, the connecting part 6 is provided with the pressure relief part 7, the connecting part 6 is provided with a third sealing part 20, the third sealing part 20 is fixedly connected with the connecting part 6, the third sealing part 20 is detachably abutted with the cover body 2, the third sealing part 20 can be connected with the connecting part 4, and the gap can be prevented from leaking between the sealing part and the connecting part 4.

As shown in fig. 3 and 4, the pressure release portion 7 includes dog 8, block 9, several first pressure release mouth 10 and several second pressure release mouth 11, dog 8 and cavity 5 fixed connection, dog 8 is provided with first sealing member 19, first sealing member 19 and dog 8 fixed connection, the butt can be dismantled with lid 2 to first sealing member 19, gap between dog 8 and the through-hole 4 is sealable to first sealing member 19, prevent gas leakage, cavity 5 and lid 9 opposite side are provided with first magnet piece and second magnet piece respectively, first magnet piece and second magnet piece magnetism are connected, first magnet piece and second magnet piece are connected and can prevent lid 9 and cavity 5 separation, block 9 and dog 8 clearance fit, be provided with roughness 12, roughness 12 can increase the friction between user and the lid 9, make the lid 9 rotatory more laborsaving, be provided with several between dog 8 and the block 9 and retract brace 14, several retract brace 14 and lid 9 fixed connection, several retract brace 14 and lid 9 are connected with the dog, several retract brace 14 and the dog 5 and the hook-shaped groove 15 is connected to the inside the dog 5 to the hook-shaped groove 15 is had to the dog 5 to the number of need to be connected with the hook 15 to the inside of the dog 5 to the hook-shaped groove 15 after the dog 8 is fixed to the several draw-off, the hook-shaped groove 15 is connected with the hook-shaped groove 15 is set up to the inside the dog 15 to the inside the hook-shaped groove 15.

The lid 2 has seted up several first pressure release mouth 10, the second pressure release mouth 11 has been seted up to the cavity 5, first pressure release mouth 10 and second pressure release mouth 11 movable fit, second pressure release mouth 11 is provided with second sealing member 13, second sealing member 13 and cavity 5 fixed connection, second sealing member 13 can make second pressure release mouth 11 hide more sealed when being inside at the lid 9, prevent gas leakage, connecting portion 6 and dog 8 can restrict the position of valve body 3 and lid 2, prevent the position drunkenness, connecting portion 6 are convenient for valve body 3 and lid 2 are connected fixedly, dog 8 can separate the shelves to lid 2 and valve body 3, lid 9 and cavity 5 rotate to first pressure release mouth 10 and the coincidence of second pressure release mouth 11 can carry out the pressure release in to box 1, lid 9 and cavity 5 rotate to first pressure release mouth 10 and second pressure release mouth 11 dislocation can close the pressure release passageway.

The implementation principle of the cold box of the utility model is as follows:

when the refrigerator is used, the cover body 2 is closed with the refrigerator body 1, the inside of the refrigerator body 1 refrigerates or refrigerates the articles put into the refrigerator body 1, when a user wants to open the cover body 2 to take out the articles, the air pressure in the refrigerator body 1 is lower than the air pressure outside the refrigerator body 1, so that the cover body 2 is difficult to open, the user can twist the cover cap 9 firstly to enable the cover cap 9 to rotate with the cavity 5, when the cover cap 9 and the cavity 5 rotate until the first pressure relief opening 10 and the second pressure relief opening 11 are overlapped, the first pressure relief opening 10 and the second pressure relief opening 11 balance the air pressure inside and outside the refrigerator body 1, when the pressure relief is finished, the user loosens the cover cap 9, the cover cap 9 is restored to the original state because the cover cap 9 and the stop block 8 are influenced by the retraction brace 14, at the moment, the user can easily open the cover body 2,

the principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. A cold box, characterized in that: the cold box comprises a box body (1), a cover body (2) and a valve body (3), wherein the cover body (2) is arranged at the top of the box body (1), the cover body (2) is hinged to the box body (1), the cover body (2) is provided with a through hole (4), the valve body (3) is arranged in the through hole (4), the valve body (3) comprises a cavity (5), a connecting part (6) and a pressure relief part (7), the cavity (5) is partially arranged in the through hole (4), the cavity (5) is movably matched with the through hole (4), the connecting part (6) is arranged adjacent to one side of the box body (1), the connecting part (6) is detachably fixed with the cavity (5), the connecting part (6) is movably matched with the cover body (2), one side of the cavity (5) is far away from the connecting part (6) and is provided with the pressure relief part (7), the pressure relief part (7) comprises a stop block (8), a cap (9), a plurality of first ports (10) and a plurality of second ports (11) are arranged in the through hole (4), the cavity (5) is detachably fixed with the stop block (8), the stop block (8) and the movable cover body (5), the cover cap (9) is in movable fit with the stop block (8), the cover body (2) is provided with a plurality of first pressure relief openings (10), the cavity (5) is provided with a second pressure relief opening (11), and the first pressure relief openings (10) are in movable fit with the second pressure relief openings (11).

2. The cold box of claim 1, wherein: the cap (9) is provided with a roughened portion (12).

3. The cold box of claim 1, wherein: the second pressure relief opening (11) is provided with a second sealing piece (13), and the second sealing piece (13) is fixedly connected with the cavity (5).

4. The cold box of claim 1, wherein: a plurality of retraction braces (14) are arranged between the stop block (8) and the cap (9), a plurality of retraction braces (14) are fixedly connected with the cap (9), and a plurality of retraction braces (14) are detachably and fixedly connected with the stop block (8).

5. A cold box according to claim 3, wherein: the cavity (5) and the opposite sides of the cap (9) are respectively provided with a first magnet sheet and a second magnet sheet, and the first magnet sheet is magnetically connected with the second magnet sheet.

6. The cold box of claim 4, wherein: the plurality of retraction braces (14) are provided with a plurality of hook bodies (15) in a shape of a circle, the stop block (8) is provided with a plurality of clamping grooves (16), and the plurality of retraction braces (14) are matched and clamped with the stop block (8) through the plurality of hook bodies (15) and the plurality of clamping grooves (16).

7. The cold box of claim 5, wherein: the cavity (5) is provided with threads (17), the connecting portion (6) is provided with a threaded opening (18), and the cavity (5) is connected with the connecting portion (6) through the threads (17) and the threaded opening (18).

8. The cold box of claim 6, wherein: the stopper (8) is provided with a first sealing element (19), the first sealing element (19) is fixedly connected with the stopper (8), and the first sealing element (19) is detachably abutted with the cover body (2).

9. The cold box of claim 7, wherein: the connecting part (6) is provided with a third sealing element (20), the third sealing element (20) is fixedly connected with the connecting part (6), and the third sealing element (20) is detachably abutted with the cover body (2).