CN215972451U

CN215972451U - Lifting type air valve sealing cover and sealing box

Info

Publication number: CN215972451U
Application number: CN202121992529.8U
Authority: CN
Inventors: 刁厚昌; 江聚贤; 郭伟东; 邓亚丽; 赵云飞; 王传龙; 熊建; 李陶; 周立权; 刘学; 罗洁; 朱文伟
Original assignee: Sichuan Yibin Push Group 3d Co ltd; Yibin Plastic Packaging Materials Co ltd Sichuan
Current assignee: Sichuan Yibin Push Group 3d Co ltd; Yibin Plastic Packaging Materials Co ltd Sichuan
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-03-08
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a lifting type air valve sealing cover and a sealing box, wherein the sealing cover is connected with a box body in a sleeved mode, a vent hole is formed in the sealing cover, one end of the vent hole is communicated with the box body, the other end of the vent hole is communicated with the outside atmosphere, an air valve used for controlling the on-off of the vent hole is arranged on the vent hole, and the air valve comprises a lifting surface piece, a sealing shaft, a vent part and a connecting shaft which are sequentially arranged; the pulling piece surface is arranged on one side, far away from the box body, of the sealing cover, the sealing shaft is in interference fit with the vent hole, the connecting shaft is arranged on one side, close to the box body, of the sealing cover, the diameter of the vent hole is smaller than that of the connecting shaft, and the diameter of the vent part is smaller than that of the vent hole; when the sealing cover is opened, only the pulling and lifting dough sheet is needed, the steps are simple, the sealing cover is practical and convenient, and the sealing cover can be opened by one-step pulling and lifting.

Description

Lifting type air valve sealing cover and sealing box

Technical Field

The utility model relates to the field of sealing box bodies, in particular to a lifting type air valve sealing cover and a sealing box.

Background

In the existing closed cover with an air valve and the box body, the box body and the cover body form a storage inner cavity, and articles needing to be closed and kept fresh can be stored in the storage inner cavity; the existing closed cover with the air valve and the existing box body form need to lift the air valve firstly and then open the cover when opening, and by adopting the mode, the opening needs two steps to be completed, the opening is complex, and the experience feeling is poor. The air valve cover plate and the exhaust groove are designed, so that the complete sealing effect cannot be achieved, and the situation of poor sealing and fresh-keeping effects due to poor sealing effect exists; therefore, there is a need for a lift-pull type air valve sealing cover and sealing box which can be opened easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lifting type air valve sealing cover and a sealing box, which only need to pull and lift a dough sheet when opening, have simple steps, are practical and convenient, and can realize one-step lifting and opening of the sealing cover.

The embodiment of the utility model is realized by the following steps:

a lifting type air valve sealing cover is connected with a box body in a sleeved mode, an air vent is arranged on the sealing cover, one end of the air vent is communicated with the box body, the other end of the air vent is communicated with the outside atmosphere, an air valve used for controlling the on-off of the air vent is arranged on the air vent, and the air valve comprises a lifting surface piece, a sealing shaft, an air vent part and a connecting shaft; the pulling sheet surface is arranged on one side, far away from the box body, of the sealing cover, the sealing shaft is in interference fit with the vent hole, the connecting shaft is arranged on one side, close to the box body, of the sealing cover, and the diameter of the vent hole is smaller than that of the connecting shaft; the diameter of the vent portion is smaller than the diameter of the vent hole. When the sealing cover is opened, only the pulling and lifting dough sheet is needed, the steps are simple, the sealing cover is practical and convenient, and the sealing cover can be opened by one-step pulling and lifting.

When the box is opened, the sealing shaft is lifted by pulling the lifting surface sheet, air outside the box enters the box body from the air vent, circulation pressure is formed, and one-step lifting opening is easily realized. The design has the air vent on the lid, and the design has sealed axle on the air valve, and after the lid box was accomplished, press the air valve, sealed axle reaches fine sealed effect completely with the sealed face interference fit of air vent.

Preferably, the diameter of the vent portion is 1/3-1/2 smaller than the diameter of the seal shaft.

Preferably, one side of the closed cover, which is far away from the box body, is provided with a limiting groove for containing the lifting sheet, and the limiting groove is matched with the lifting sheet.

Preferably, the vent hole extends along one end close to the box body and is provided with a sealing hole column, the sealing hole column is the same in diameter as the vent hole and communicated with the vent hole, and the sealing hole column is also sleeved on the sealing shaft.

Preferably, the edge of the lifting dough sheet is provided with a lifting part, and a buckle gap for lifting the lifting part is reserved between the lifting part and the limiting groove. The handle part is convenient to lift and open.

Preferably, the lifting surface sheet is provided with a pull ring, and the pull ring is made of elastic materials. The sealing cover is convenient to open.

Preferably, the lifting face sheet and the connecting shaft are both made of elastic plastic materials.

Preferably, the diameter of the connecting shaft is gradually reduced close to the box body along the direction close to the box body. The connecting shaft is convenient to disassemble and assemble.

Still provide a seal box based on airtight lid of lift-draw formula air valve, still include the box body, airtight lid with be provided with the sealing washer between the box body, be provided with double-deck deformation block at least on the sealing washer, the outward flange of deformation block with the internal surface of box body supports and holds. The design of sealing washer outside has two-layer deformation piece, for first deformation piece and second deformation piece, warp the combination through first deformation piece and second deformation piece and box body inner wall, plays supplementary sealed effect. The sealing ring is made of silica gel.

Preferably, the airtight cover is further provided with a sealing platform, the diameter of the sealing platform is equal to the outer diameter of the box body, and the sealing platform is arranged on one side of the box body, away from the sealing ring.

Preferably, the sealing cover is provided with a fixing groove for accommodating the sealing ring. The sealing ring is sleeved in the fixing groove and is integrated with the cover.

Due to the adoption of the technical scheme, the utility model has the beneficial effects that: according to the lift-pull type air valve sealing cover and the sealing box, the sealing cover is connected with the box body in a sleeved mode, the sealing cover is provided with the air vent, one end of the air vent is communicated with the box body, the other end of the air vent is communicated with the outside atmosphere, the air vent is provided with the air valve used for controlling the on-off of the air vent, and the air valve comprises a lifting sheet piece, a sealing shaft, a ventilation part and a connecting shaft; the pulling sheet surface is arranged on one side, far away from the box body, of the sealing cover, the sealing shaft is in interference fit with the vent hole, the connecting shaft is arranged on one side, close to the box body, of the sealing cover, and the diameter of the vent hole is smaller than that of the connecting shaft; the diameter of the vent portion is smaller than the diameter of the vent hole. When the sealing cover is opened, only the pulling and lifting dough sheet is needed, the steps are simple, the sealing cover is practical and convenient, and the sealing cover can be opened by one-step pulling and lifting.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is an exploded view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the seal box structure of the present invention;

FIG. 3 is a cross-sectional view of the cassette construction of the present invention;

FIG. 4 is a view of the closure and air valve of the present invention;

FIG. 5 is a view of the closure of the present invention;

FIG. 6 is a block diagram of the air valve of the present invention;

fig. 7 is a view showing the structure of the seal ring of the present invention.

Description of specific element symbols: 1-sealing cover, 2-air valve, 3-sealing ring, 4-box body, 5-lifting part, 101-vent hole, 102-sealing hole column, 103-fixing groove, 104-limiting groove, 105-sealing table, 201-lifting sheet, 202-sealing shaft, 203-connecting shaft, 204-vent part, 301-first deformation block, 302-second deformation block, 401-box opening plane and 402-inner surface.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. The following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: referring to fig. 1 to 7, in the pull-up air valve sealing cover of the present embodiment, a sealing cover 1 is connected to a box body 4 in a sleeved manner, a vent hole 101 is formed in the sealing cover 1, one end of the vent hole 101 is communicated with the box body 4, the other end of the vent hole 101 is communicated with the outside atmosphere, an air valve 2 for controlling the on-off of the vent hole 101 is formed in the vent hole 101, and the air valve 2 includes a pull-up sheet 201, a sealing shaft 202, a venting portion 204 and a connecting shaft 203, which are sequentially arranged; the pulling sheet surface is arranged on one side of the closed cover 1 far away from the box body 4, the sealing shaft 202 is in interference fit with the vent hole 101, the connecting shaft 203 is arranged on one side of the closed cover 1 near the box body 4, the diameter of the vent hole 101 is smaller than that of the connecting shaft 203, and the diameter of the vent part 204 is smaller than that of the vent hole. When the sealing cover is opened, only the pulling and lifting surface sheet 201 needs to be pulled, the steps are simple, the sealing cover is practical and convenient, and the sealing cover 1 can be opened by one-step pulling. When the box is opened, the pulling lifting patch 201 is pulled to lift the sealing shaft 202, air outside the box enters the box body 4 from the vent hole 101 to form circulation pressure, and one-step lifting opening is easily realized. The design has air vent 101 on the lid, and the design has sealed axle 202 on the air valve 2, and after the lid box was accomplished, press air valve 2, sealed axle 202 reaches fine sealed effect completely with the sealed face interference fit of air vent 101. When the air valve 2 is pulled up, the ventilation part 204 communicates with both the outside air and the inside of the case 4, and the airtight cap 1 can be easily opened after the air is circulated.

Example 2: the side of the sealing cover 1 away from the box body 4 of the embodiment is provided with a limiting groove 104 for accommodating the lifting sheet 201, and the limiting groove 104 is matched with the lifting sheet. The vent hole 101 of this embodiment is provided with a sealing hole column 102 along the extension of one end near the box body 4, the sealing hole column 102 and the vent hole 101 have the same diameter and are communicated with each other, and the sealing hole column 102 is also sleeved on the sealing shaft 202. The edge of the lifting surface piece 201 of this embodiment is provided with a lifting part 5, and a handle gap for lifting the lifting part 5 is reserved between the lifting part 5 and the limiting groove 104. The handle part is convenient to lift and open. The pulling-up surface sheet 201 of this embodiment is provided with a pulling ring made of an elastic material. The sealing cover 1 is convenient to open. The pulling-up surface piece 201 and the connecting shaft 203 of this embodiment are both made of an elastic plastic material. The connecting shaft 203 of the present embodiment is gradually reduced in diameter in a direction close to the case 4, close to the case 4. The connecting shaft 203 is convenient to disassemble and assemble. One side that connecting axle 203 is close to air vent 101 sets up to cylinder type structure, extracts air valve 2 when preventing to carry and draws, and the opposite side sets up to round platform type structure, and connecting axle 203 is the silica gel material, packs in air vent 101 when conveniently assembling. The diameter of the vent 204 in this embodiment is 1/3-1/2 smaller than the diameter of the seal shaft 202.

Example 3: the embodiment also provides a sealing box based on the lifting type air valve sealing cover, which further comprises a box body 4, a sealing ring 3 is arranged between the sealing cover 1 and the box body 4, at least two layers of deformation blocks are arranged on the sealing ring 3, and the outer edges of the deformation blocks are abutted against the inner surface 402 of the box body 4. The design of 3 outsides of sealing washer has two-layer deformation piece, for first deformation piece 301 and second deformation piece 302, warp the combination through first deformation piece 301 and second deformation piece 302 and box body 4 inner wall, plays supplementary sealed effect. The sealing ring 3 is made of silica gel. The sealing cover 1 of this embodiment is further provided with a sealing platform 105, the diameter of the sealing platform 105 is equal to the outer diameter of the box body 4, and the sealing platform 105 is arranged on one side of the sealing ring 3 away from the box body 4. The sealing cap 1 of the present embodiment is provided with a fixing groove 103 for accommodating the gasket 3. The packing 3 is fitted into the fixing groove 103 to be integrated with the cover. The cassette body 4 includes a cassette opening plane 401 for abutting against the closing table 105.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The lifting type air valve sealing cover is characterized in that the sealing cover (1) is connected with a box body (4) in a sleeved mode, a vent hole (101) is formed in the sealing cover (1), one end of the vent hole (101) is communicated with the box body (4), the other end of the vent hole is communicated with the outside air, an air valve (2) used for controlling the on-off of the vent hole (101) is arranged on the vent hole (101), and the air valve (2) comprises a lifting piece (201), a sealing shaft (202), a ventilation part (204) and a connecting shaft (203) which are sequentially arranged; the pulling sheet surface is arranged on one side, far away from the box body (4), of the closed cover (1), the sealing shaft (202) is in interference fit with the vent hole (101), the connecting shaft (203) is arranged on one side, close to the box body (4), of the closed cover (1), and the diameter of the vent hole (101) is smaller than that of the connecting shaft (203); the vent portion (204) has a diameter smaller than a diameter of the vent hole.

2. The pull-up air valve sealing cover according to claim 1, wherein a limiting groove (104) for accommodating the pull-up sheet (201) is formed in one side of the sealing cover (1) away from the box body (4), and the limiting groove (104) is matched with the pull-up sheet.

3. The pull-up type air valve sealing cover according to claim 1, wherein the ventilation hole (101) is provided with a sealing hole column (102) extending along one end close to the box body (4), the sealing hole column (102) has the same diameter as the ventilation hole (101) and is communicated with the ventilation hole column, and the sealing hole column (102) is sleeved on the sealing shaft (202).

4. The pull-up air valve sealing cover according to claim 2, wherein a pull-up portion (5) is provided at an edge of the pull-up surface piece (201), and a handle gap for pulling up the pull-up portion (5) is reserved between the pull-up portion (5) and the limiting groove (104).

5. The pull-up type air valve closure as claimed in claim 1, wherein the pull-up surface plate (201) is provided with a pull ring, the pull ring is made of elastic material, and the pull-up surface plate (201) and the connecting shaft (203) are both made of elastic plastic material.

6. The pull-up type air valve closure as claimed in claim 1, wherein the diameter of the venting portion (204) is 1/3-1/2 smaller than the diameter of the sealing shaft (202).

7. The lift-type air valve closure as claimed in claim 1, wherein the connecting shaft (203) is gradually reduced in diameter in a direction approaching the case (4) near the case (4).

8. A sealing box based on a lifting type air valve sealing cover is characterized by comprising the sealing cover (1) as claimed in any one of claims 1 to 7 and a box body (4), wherein a sealing ring (3) is arranged between the sealing cover (1) and the box body (4), an at least double-layer deformation block is arranged on the sealing ring (3), and the outer edge of the deformation block abuts against the inner surface (402) of the box body (4).

9. The pull-up air valve sealing cover and sealing box according to claim 8, wherein the sealing cover (1) is further provided with a sealing platform (105), the diameter of the sealing platform (105) is equal to the outer diameter of the box body (4), and the sealing platform (105) is arranged on one side of the sealing ring (3) away from the box body (4).

10. The lift-type air valve closure cap and closure box according to claim 8, wherein the closure cap (1) is provided with a fixing groove (103) for receiving the sealing ring (3).