CN215795966U

CN215795966U - Vacuum chamber sealing structure

Info

Publication number: CN215795966U
Application number: CN202121582711.6U
Authority: CN
Inventors: 郏明永
Original assignee: Wuxi Yuanhengxin Machinery Technology Co ltd
Current assignee: Wuxi Yuanhengxin Machinery Technology Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2022-02-11
Anticipated expiration: 2031-07-12

Abstract

The utility model provides a vacuum cabin sealing structure which comprises a first sealing cabin, a second sealing cabin and a third sealing cabin, wherein the first sealing cabin and the second sealing cabin are fixed through a first connecting ring, and the second sealing cabin and the third sealing cabin are fixed through a second connecting ring; the utility model can change the volume by replacing the sealed cabin in the middle section.

Description

Vacuum chamber sealing structure

Technical Field

The utility model mainly relates to the field of sealing, in particular to a vacuum bin sealing structure.

Background

The volume of the commonly used vacuum chamber is fixed, so that the pressure inside the vacuum chamber is difficult to ensure when the vacuum chamber is difficult to transport.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a vacuum chamber sealing structure, which comprises a first sealed chamber 1, a second sealed chamber 2 and a third sealed chamber 3, wherein the first sealed chamber 1 and the second sealed chamber 2 are fixed through a first connecting ring 4, and the second sealed chamber 2 and the third sealed chamber 3 are fixed through a second connecting ring 5.

Preferably, the opening of the first sealed cabin 1 is embedded into the second sealed cabin 2, and a first sealing gasket 11 is arranged at the joint of the first sealed cabin 1 and the second sealed cabin 2.

Preferably, the opening of the third sealed cabin 3 is embedded into the second sealed cabin 2, and a third sealing gasket 31 is arranged at the joint of the third sealed cabin 3 and the second sealed cabin 2.

Preferably, the first connecting ring 4 is divided into two sections, the cross sections of the two sections are in a concave shape through bolt fixing, and a sealing gasket is arranged on the inner wall of the first connecting ring.

Preferably, the second connection ring 5 is divided into two sections, the cross sections of the two sections are in a concave shape through bolt fixing, and a sealing gasket is arranged on the inner wall of the two sections.

Preferably, the first sealed cabin 1, the second sealed cabin 2, the third sealed cabin 3, the first connecting ring 4 and the second connecting ring 5 are all made of stainless steel.

The utility model has the beneficial effects that: the sealed cabin of the middle section can be replaced to realize the volume change.

Drawings

FIG. 1 is a block diagram of the present invention;

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

in the figure, the position of the upper end of the main shaft,

1. a first sealed bin; 2. a second sealed bin; 3. a third sealed cabin; 4. a first connecting ring;

5. a second connection ring; 11. a first gasket; 31. and a third gasket.

Detailed Description

In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the utility model only and are not intended to limit the scope of the utility model.

As shown in fig. 1-2, the present invention includes: the sealing device comprises a first sealing cabin 1, a second sealing cabin 2 and a third sealing cabin 3, wherein the first sealing cabin 1 and the second sealing cabin 2 are fixed through a first connecting ring 4, and the second sealing cabin 2 and the third sealing cabin 3 are fixed through a second connecting ring 5.

In this embodiment, preferably, the opening of the first sealed cabin 1 is embedded into the second sealed cabin 2, and a first sealing gasket 11 is arranged at the joint of the first sealed cabin 1 and the second sealed cabin 2.

With the above structure, the gasket is used for preventing leakage. The third sealing gasket 31 embedded into the second sealing cabin 2 at the opening and arranged at the same time can play a role in preventing leakage.

In this embodiment, it is preferable that the opening of the third sealed cabin 3 is embedded into the second sealed cabin 2, and a third sealing gasket 31 is disposed at the joint of the third sealed cabin 3 and the second sealed cabin 2.

In this embodiment, the first connecting ring 4 is preferably divided into two sections, the cross section of the first connecting ring is concave through the bolt, and the inner wall of the first connecting ring is provided with a sealing gasket.

With the above structure, the gasket is used for preventing leakage.

In this embodiment, it is preferable that the second connection ring 5 is divided into two sections, the cross-section of the connection ring is concave through bolts, and a sealing gasket is disposed on the inner wall.

With the above structure, the gasket is used for preventing leakage.

In this embodiment, the first sealed cabin 1, the second sealed cabin 2, the third sealed cabin 3, the first connecting ring 4 and the second connecting ring 5 are preferably made of stainless steel.

Set up above-mentioned structure, increase of service life simultaneously, ensures that the sealed storehouse can not take place the condition of revealing.

The second sealed cabin 2 can be changed in volume, and the first connecting ring 4 and the second connecting ring 5 can play a role in preventing leakage and are easy to transport.

The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.

Claims

1. The vacuum bin sealing structure is characterized by comprising a first sealing bin (1), a second sealing bin (2) and a third sealing bin (3), wherein the first sealing bin (1) and the second sealing bin (2) are fixed through a first connecting ring (4), and the second sealing bin (2) and the third sealing bin (3) are fixed through a second connecting ring (5).

2. The vacuum silo sealing structure of claim 1, wherein: the opening part of first sealed storehouse (1) imbeds inside second sealed storehouse (2), the junction of first sealed storehouse (1) and second sealed storehouse (2) is equipped with first sealed pad (11).

3. The vacuum silo sealing structure of claim 1, wherein: the opening part of the third sealed bin (3) is embedded into the second sealed bin (2), and a third sealing gasket (31) is arranged at the joint of the third sealed bin (3) and the second sealed bin (2).

4. The vacuum silo sealing structure of claim 1, wherein: the first connecting ring (4) is divided into two sections, the cross sections of the two sections are fixedly connected through bolts and are in a concave shape, and a sealing gasket is arranged on the inner wall of the first connecting ring.

5. The vacuum silo sealing structure of claim 1, wherein: the second connecting ring (5) is divided into two sections, the cross sections of the two sections are fixedly connected through bolts and are in a concave shape, and a sealing gasket is arranged on the inner wall of the second connecting ring.

6. The vacuum silo sealing structure of claim 1, wherein: the first sealed cabin (1), the second sealed cabin (2), the third sealed cabin (3), the first connecting ring (4) and the second connecting ring (5) are all made of stainless steel.