CN210050285U

CN210050285U - Vacuum sealing structure

Info

Publication number: CN210050285U
Application number: CN201920256015.2U
Authority: CN
Inventors: 毛庆全
Original assignee: Na On Technology (suzhou) Co Ltd
Current assignee: Na On Technology (suzhou) Co Ltd
Priority date: 2019-02-28
Filing date: 2019-02-28
Publication date: 2020-02-11
Anticipated expiration: 2029-02-28

Abstract

The utility model discloses a vacuum seal structure, which comprises a housin, the casing is cylindric, the top of casing inboard along the casing undercut has last depressed groove, go up the depressed groove be equipped with go up depressed groove complex upper flange, upper flange passes through the bolt fastening at last depressed groove, be provided with metal sealing pad between upper flange and the last depressed groove, the bottom of casing inboard along the casing upwards caves in has lower depressed groove, down be equipped with in the depressed groove with lower depressed groove complex lower flange, the lower flange passes through the bolt fastening at the depressed groove, be provided with metal sealing pad down between lower flange and the lower depressed groove. The utility model relates to a vacuum seal structure, its simple structure, simple to operate is sealed effectual.

Description

Vacuum sealing structure

Technical Field

The utility model relates to a vacuum seal structure.

Background

The sealing structure is a common mechanical component, and mainly comprises a sealing ring. The sealing structure mainly solves the sealing problem between mechanical parts, such as water leakage, oil leakage or gas leakage prevention. The sealing ring is mostly made of plastic materials, and the common structures of the sealing ring are an O-shaped ring, a V-shaped ring, a sheet-shaped ring and the like. With the development of the technology and the innovation of the mechanical structure, new requirements on the performance and the structure of the sealing device are continuously provided so as to adapt to the requirements of different mechanical structures on sealing.

The existing sealing structure is not easy to install, has larger weight and higher cost. Therefore, a vacuum sealing structure is urgently required.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the above-mentioned prior art, the utility model aims to provide a vacuum seal structure.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a vacuum seal structure, includes the casing, the casing is cylindric, the top of casing inboard along casing undercut has last depressed groove, go up the depressed groove be equipped with go up depressed groove complex upper flange, upper flange passes through the bolt fastening at last depressed groove, be provided with metal sealing pad between upper flange and the last depressed groove, the bottom of casing inboard along the casing upwards caves in there is lower depressed groove, down be equipped with in the depressed groove with depressed groove complex lower flange down, the lower flange passes through the bolt fastening at the depressed groove under, be provided with metal sealing pad down between lower flange and the lower depressed groove.

Furthermore, a third through hole is formed in the center of the upper flange, a sealing ring surrounding the third through hole is arranged at the edge of the third through hole, and six accommodating holes for inserting bolts are formed in the upper flange along the circumferential direction.

Furthermore, an annular notch is formed in the upper metal sealing gasket along the circumferential direction, and the lower metal sealing gasket is identical to the upper metal sealing gasket in structure.

Further, the casing material adopts the aluminium material, first through-hole has been seted up at the center of casing, first through-hole edge is provided with the draw-in groove that encircles first through-hole, evenly encircle around the first through-hole and be equipped with six second through-holes, there is the screw hole that matches with the bolt along the circumferencial direction equipartition on the casing, the top of bolt is passed the accommodation hole and is stretched into the threaded hole of casing.

Compared with the prior art, the vacuum sealing structure of the utility model has the advantages that the upper metal sealing gasket is arranged between the upper flange and the upper sunken groove, and the lower metal sealing gasket is arranged between the lower flange and the lower sunken groove, so that the sealing effect is improved; the upper flange and the lower flange of the utility model are connected with the shell through bolts, the structure is simple, and the installation is convenient; the utility model discloses a casing material adopts the aluminium material, light in weight, easily processing, cost reduction.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is an exploded view of a vacuum seal structure of the present invention;

fig. 2 is a cross-sectional view of a vacuum sealing structure of the present invention.

In the figure: 1. a housing; 11. an upper concave groove; 12. a lower concave groove; 13. a first through hole; 14. a card slot; 15. a second through hole; 16. a threaded hole; 2. an upper metal gasket; 21. an annular recess; 3. an upper flange; 31. a third through hole; 32. a seal ring; 33. an accommodation hole; 4. a bolt; 5. a lower flange; 6. a lower metal seal.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, the present invention provides a technical solution: the utility model provides a vacuum seal structure, includes casing 1, casing 1 is cylindric, casing 1's top inboard along casing 1 undercut has last depressed groove 11, go up be equipped with in the depressed groove 11 with go up depressed groove complex upper flange 3, upper flange 3 passes through bolt 4 to be fixed in last depressed groove 11, it fills up 2 to be provided with metal gasket between upper flange 3 and the last depressed groove 11, casing 1's bottom inboard along casing 1 undercut has lower depressed groove 12, be equipped with in the depressed groove 12 down with lower depressed groove 12 complex lower flange 5, lower flange 5 passes through bolt 4 to be fixed in lower depressed groove 12, be provided with lower metal gasket 6 between lower flange 5 and the lower depressed groove 12.

In this embodiment, a third through hole 31 is formed in the center of the upper flange 3, a sealing ring 32 surrounding the third through hole 31 is disposed at the edge of the third through hole 31, and six receiving holes 33 for inserting bolts 4 are formed in the upper flange 3 along the circumferential direction.

In this embodiment, the upper metal sealing gasket 2 is provided with an annular recess 21 along the circumferential direction, and the lower metal sealing gasket 6 has the same structure as the upper metal sealing gasket 2.

In this embodiment, casing 1 material adopts the aluminium material, first through-hole 13 has been seted up at casing 1's center, first through-hole 13 edge is provided with the draw-in groove 14 that encircles first through-hole, evenly encircle around the first through-hole 13 and be equipped with six second through-holes 15, the last screw hole 16 that matches with bolt 4 that has followed the circumferencial direction equipartition of casing 1, the accommodation hole 33 is passed and stretch into on the top of bolt 4 in the screw hole 16 of casing 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A vacuum sealing structure comprising a housing (1), characterized in that: the shell (1) is cylindrical, an upper concave groove (11) is downwards concave along the shell (1) at the inner side of the top of the shell (1), an upper flange (3) matched with the upper concave groove is arranged in the upper concave groove (11), the upper flange (3) is fixed in the upper concave groove (11) through a bolt (4), an upper metal sealing gasket (2) is arranged between the upper flange (3) and the upper sunken groove (11), the inner side of the bottom of the shell (1) is upwards sunken with a lower sunken groove (12) along the shell (1), a lower flange (5) matched with the lower concave groove (12) is arranged in the lower concave groove (12), the lower flange (5) is fixed in the lower concave groove (12) through bolts (4), and a lower metal sealing gasket (6) is arranged between the lower flange (5) and the lower concave groove (12).

2. A vacuum sealing structure according to claim 1, wherein: go up flange (3) the center seted up third through-hole (31), third through-hole (31) edge is provided with and encircles sealing washer (32) of third through-hole (31), go up flange (3) and go up and seted up six accommodation holes (33) that are used for inserting bolt (4) along circumference.

3. A vacuum sealing structure according to claim 1, wherein: an annular notch (21) is formed in the upper edge of the upper metal sealing gasket (2) in the circumferential direction, and the lower metal sealing gasket (6) is identical to the upper metal sealing gasket (2) in structure.

4. A vacuum sealing structure according to claim 1, wherein: casing (1) material adopts the aluminium material, first through-hole (13) have been seted up at the center of casing (1), first through-hole (13) edge is provided with draw-in groove (14) around first through-hole (13), evenly encircle around first through-hole (13) and be equipped with six second through-holes (15), screw hole (16) that match with bolt (4) have along the circumferencial direction equipartition on casing (1), accommodation hole (33) and stretch into are passed on the top of bolt (4) in screw hole (16) of casing (1).