CN213541596U

CN213541596U - Insulating vacuum sealing flange for high-voltage transmission

Info

Publication number: CN213541596U
Application number: CN202022500679.4U
Authority: CN
Inventors: 夏礼安
Original assignee: Chengdu Hanghui Technology Co ltd
Current assignee: Chengdu Hanghui Technology Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-06-25
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses an insulating vacuum seal flange for high pressure transmission, including last flange and second spacing groove, the below of going up the flange is provided with the lower flange, and the top distribution of going up the flange has the collets, the junction of collets and last flange is provided with the third spacing groove, the upper end outer wall of going up the flange distributes all around has installation mechanism, the bottom of going up the flange is fixed with the base, and the outer wall laminating of base is fluted, the outer wall end of going up the flange is provided with first spacing groove, and the inner wall laminating of first spacing groove has seal gasket, seal gasket's upper and lower both sides are provided with the embedding piece, the outer wall laminating of embedding piece has the second spacing groove. This an insulating vacuum seal flange for high pressure transmission is provided with the base, and base and recess distribute in proper order along the vertical direction of last flange, go up the flange and before the flange installation down, put into the recess with the base, make base and recess laminate each other to reduce the gap between the two, improve the leakproofness of flange.

Description

Insulating vacuum sealing flange for high-voltage transmission

Technical Field

The utility model relates to a flange technical field specifically is an insulating vacuum seal flange for high pressure transmission.

Background

Today's flanges, also called flange flanges or lugs. The flange is a part for connecting the shafts and is used for connecting pipe ends; there are also flanges on the inlet and outlet of the equipment for the connection between two pieces of equipment, such as reducer flanges. The flange connection or flange joint is a detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures. The pipeline flange is a flange for piping in a pipeline device, and is used on equipment to be an inlet and outlet flange of the equipment. The flanges are provided with holes, and the two flanges are tightly connected through bolts. The flanges are sealed with gaskets. The flange is divided into a threaded connection (screw thread connection) flange, a welding flange and a clamping flange. The flanges are used in pairs, the low-pressure pipeline can be screwed with the flanges, and the flanges are welded under the pressure of more than four kilograms. And a sealing gasket is arranged between the two flanges and then is fastened by bolts. The flanges of different pressures have different thicknesses and they use different bolts. When the water pump and the valve are connected with a pipeline, the parts of the equipment and equipment are also made into corresponding flange shapes, which are also called flange connection.

In use of the flange on the market, when the flange is connected with a pipeline frequently, the flange is conductive due to the fact that the flange is made of metal materials, danger is easily caused, meanwhile, the sealing performance of the joint of the flange is poor, air enters an inner hole of the flange, and therefore the insulating vacuum sealing flange for high-voltage transmission is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an insulating vacuum seal flange for high pressure transmission to solve the flange that proposes in the above-mentioned background art, when flange and pipe connection appear, because both are the metal material, lead to the flange to appear electrically conductive phenomenon, cause danger easily, the junction leakproofness of flange is not good simultaneously, leads to the hole of flange to have the problem of air admission.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an insulating vacuum seal flange for high-pressure transmission, includes flange and second spacing groove, the below of going up the flange is provided with the lower flange, and the top distribution of going up the flange has the collets, the junction of collets and upper flange is provided with the third spacing groove, the upper end outer wall of going up the flange distributes all around has installation mechanism, the bottom of going up the flange is fixed with the base, and the outer wall laminating of base is fluted, the outer wall end of going up the flange is provided with first spacing groove, and the inner wall laminating of first spacing groove has seal gasket, seal gasket's upper and lower both sides are provided with the embedding piece, the outer wall laminating of embedding piece has the second spacing groove.

Preferably, the insulating blocks are distributed in a hollow shape, and the size of the outer wall of each insulating block is matched with the size of the inner wall of the third limiting groove.

Preferably, the insulation block and the upper flange form a fixed connection, and the third limiting groove and the insulation block are mutually attached.

Preferably, installation mechanism is including bolt, hole and nut, and the outer wall laminating of bolt has the hole, the end-to-end connection of bolt has the nut.

Preferably, the upper flange and the lower flange form a detachable structure through bolts and nuts, and the number of the bolts is five.

Preferably, the base and the upper flange form a fixed connection, and the base and the grooves are sequentially distributed along the vertical direction of the upper flange.

Preferably, the size of the outer wall of the sealing gasket is matched with the size of the inner wall of the first limiting groove, and the sealing gasket is attached to the first limiting groove.

Preferably, the sealing gasket forms an embedded structure through the embedded block and the second limiting groove, and the embedded blocks are symmetrically distributed along the horizontal central axis of the sealing gasket.

Compared with the prior art, the beneficial effects of the utility model are that: this an insulating vacuum seal flange for high pressure transmission is provided with the base, and base and recess distribute in proper order along the vertical direction of last flange, go up the flange and before the flange installation down, put into the recess with the base, make base and recess laminate each other to reduce the gap between the two, improve the leakproofness of flange.

The bolts are provided with five, when the upper flange and the lower flange are installed, the inner holes in the upper flange and the lower flange are aligned firstly, then the bolts are sequentially placed into the five inner holes, the nuts are connected to the bottoms of the bolts, and the nuts are in threaded connection with the bolts through a wrench, so that the installation of the upper flange and the lower flange is completed.

Seal gasket and first spacing groove are laminated each other, because base and recess are laminated each other, can reduce the gap between upper flange and the lower flange, nevertheless can not reach sealed effect, consequently, set up first spacing groove at junction between them end, and seal gasket's outer wall size and the inner wall size in first spacing groove mutually support, fill in seal gasket in first spacing inslot, make the junction reach sealed effect, the pipeline passes through welding with the collets simultaneously and constitutes fixed connection, make to be in vacuum environment in the through-hole.

Drawings

FIG. 1 is a schematic view of the inner cross-section structure of the present invention;

fig. 2 is a schematic top view of the upper flange of the present invention;

fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention.

In the figure: 1. an upper flange; 2. a lower flange; 3. an insulating block; 4. a through hole; 5. an installation mechanism; 501. a bolt; 502. an inner bore; 503. a nut; 6. a groove; 7. a base; 8. sealing gaskets; 9. a first limit groove; 10. embedding a block; 11. a second limit groove; 12. and a third limiting groove.

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. 1-3, the present invention provides a technical solution: an insulating vacuum sealing flange for high-voltage transmission comprises an upper flange 1, a lower flange 2, an insulating block 3, a through hole 4, an installation mechanism 5, a bolt 501, an inner hole 502, a nut 503, a groove 6, a base 7, a sealing gasket 8, a first limiting groove 9, an embedded block 10, a second limiting groove 11 and a third limiting groove 12, wherein the lower flange 2 is arranged below the upper flange 1, and the top of the upper flange 1 is distributed with an insulating block 3, the joint of the insulating block 3 and the upper flange 1 is provided with a third limit groove 12, the periphery of the outer wall of the upper end of the upper flange 1 is distributed with an installation mechanism 5, the bottom of the upper flange 1 is fixed with a base 7, and the outer wall of the base 7 is jointed with a groove 6, the tail end of the outer wall of the upper flange 1 is provided with a first limit groove 9, and the inner wall of the first limit groove 9 is attached with a sealing gasket 8, the upper side and the lower side of the sealing gasket 8 are provided with embedded blocks 10, and the outer wall of each embedded block 10 is attached with a second limit groove 11.

In the utility model, the insulating blocks 3 are distributed in a hollow shape, the size of the outer wall of the insulating block 3 is matched with the size of the inner wall of the third limiting groove 12, after the flange is connected with a pipeline, in order to prevent the conduction between the flange and the pipeline, the insulating block 3 is required to be arranged on the outer wall of the tail end of the upper flange 1 and the lower flange 2, because the size of the outer wall of the insulating block 3 is matched with the size of the inner wall of the third limiting groove 12, the insulating block 3 is placed in the third limiting groove 12, and the insulating block 3 is distributed in a hollow shape, so that the pipeline can conveniently pass through the hole, and meanwhile, the pipeline is laminated with the inner wall of the insulating block 3 and is separated from the inner wall of the;

the insulating block 3 and the upper flange 1 form a fixed connection, the third limiting groove 12 and the insulating block 3 are mutually attached, and after the insulating block 3 is placed in the third limiting groove 12, the joint of the insulating block 3 and the upper flange 1 is welded, so that the insulating block 3 and the upper flange 1 form a fixed connection to meet the purpose of long-term use of the flange;

the mounting mechanism 5 comprises a bolt 501, an inner hole 502 and a nut 503, the inner hole 502 is attached to the outer wall of the bolt 501, the nut 503 is connected to the tail end of the bolt 501, the upper flange 1 and the lower flange 2 form a detachable structure through the bolt 501 and the nut 503, five bolts 501 are arranged, when the upper flange 1 and the lower flange 2 are mounted, firstly, the upper flange 1 is aligned with the inner holes 502 on the lower flange 2, then the bolts 501 are sequentially placed into the five inner holes 502, the nut 503 is connected to the bottom of the bolt 501, and the nut 503 is in threaded connection with the bolt 501 through a wrench, so that the mounting of the upper flange 1 and the lower flange 2 is completed;

the base 7 and the upper flange 1 are fixedly connected, the base 7 and the grooves 6 are sequentially distributed along the vertical direction of the upper flange 1, and before the upper flange 1 and the lower flange 2 are installed, the base 7 is placed in the grooves 6, so that the base 7 and the grooves 6 are mutually attached, gaps between the base 7 and the grooves are reduced, and the sealing performance of the flanges is improved;

the size of the outer wall of the sealing gasket 8 is matched with the size of the inner wall of the first limiting groove 9, the sealing gasket 8 is attached to the first limiting groove 9, the base 7 is attached to the groove 6, the gap between the upper flange 1 and the lower flange 2 can be reduced, but the sealing effect cannot be achieved, therefore, the first limiting groove 9 is arranged at the tail end of the joint of the sealing gasket 8 and the groove, the size of the outer wall of the sealing gasket 8 is matched with the size of the inner wall of the first limiting groove 9, the sealing gasket 8 is plugged into the first limiting groove 9, the joint achieves the sealing effect, and meanwhile, the pipeline and the insulating block 3 are fixedly connected through welding, so that the inside of the through hole 4 is in a vacuum environment;

seal gasket 8 constitutes the embedding structure through embedding piece 10 and second spacing groove 11, and embedding piece 10 along seal gasket 8's horizontal axis symmetric distribution, when seal gasket 8 installed, fill in the embedding piece 10 of seal gasket 8 both sides in second spacing groove 11, make seal gasket 8 constitute the embedding structure through embedding piece 10 and second spacing groove 11, carry out the position to seal gasket 8 through second spacing groove 11 and prescribe a limit to, make seal gasket 8 install in first spacing groove 9.

The working principle is as follows: for the insulating vacuum sealing flange for high-voltage transmission, firstly, an insulating block 3 is placed in a third limiting groove 12, the joint of the insulating block 3 and an upper flange 1 is welded, the insulating block 3 and the upper flange are fixedly connected, a base 7 is placed in a groove 6, the base 7 and the groove 6 are mutually attached, then, the upper flange 1 is aligned with an inner hole 502 on a lower flange 2, bolts 501 are sequentially placed in the five inner holes 502, nuts 503 are connected to the bottoms of the bolts 501, the nuts 503 are in threaded connection with the bolts 501 through a spanner, so that the upper flange 1 and the lower flange 2 are installed, when the sealing gasket 8 is installed, embedded blocks 10 on two sides of the sealing gasket 8 are plugged into a second limiting groove 11, so that the sealing gasket 8 forms an embedded structure with the second limiting groove 11 through the embedded blocks 10, the sealing gasket 8 is subjected to position limitation through the second limiting groove 11, so that the sealing gasket 8 is installed in a first limiting groove 9, make the junction reach sealed effect, pipeline and collets 3 constitute fixed connection through the welding simultaneously for be in vacuum environment in the through-hole 4, and collets 3 are cavity form and distribute, and the pipeline of being convenient for is from downthehole passing through, and the pipeline is laminated with 3 inner walls of collets simultaneously, with flange inner wall separation, makes the flange have insulating effect.

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. The utility model provides an insulating vacuum seal flange for high-pressure transmission, includes flange (1) and second spacing groove (11), its characterized in that: the lower flange (2) is arranged below the upper flange (1), the insulating blocks (3) are distributed at the top of the upper flange (1), a third limiting groove (12) is formed in the joint of the insulating blocks (3) and the upper flange (1), mounting mechanisms (5) are distributed on the periphery of the outer wall of the upper end of the upper flange (1), a base (7) is fixed to the bottom of the upper flange (1), a groove (6) is formed in the outer wall of the base (7) in a laminating mode, a first limiting groove (9) is formed in the tail end of the outer wall of the upper flange (1), a sealing gasket (8) is laminated on the inner wall of the first limiting groove (9), embedded blocks (10) are arranged on the upper side and the lower side of the sealing gasket (8), and a second limiting groove (11) is laminated on the outer wall of the embedded blocks (10).

2. An insulating vacuum sealing flange for high voltage transmission according to claim 1, wherein: the insulating blocks (3) are distributed in a hollow shape, and the size of the outer wall of each insulating block (3) is matched with the size of the inner wall of the third limiting groove (12).

3. An insulating vacuum sealing flange for high voltage transmission according to claim 1, wherein: the insulating block (3) and the upper flange (1) form fixed connection, and the third limiting groove (12) and the insulating block (3) are mutually attached.

4. An insulating vacuum sealing flange for high voltage transmission according to claim 1, wherein: installation mechanism (5) are including bolt (501), hole (502) and nut (503), and the outer wall laminating of bolt (501) has hole (502), the end-to-end connection of bolt (501) has nut (503).

5. An insulating vacuum sealing flange for high voltage transmission according to claim 4, wherein: go up flange (1) and constitute detachable construction through bolt (501) and nut (503) and lower flange (2), and bolt (501) is provided with five.

6. An insulating vacuum sealing flange for high voltage transmission according to claim 1, wherein: the base (7) and the upper flange (1) form a fixed connection, and the base (7) and the grooves (6) are sequentially distributed along the vertical direction of the upper flange (1).

7. An insulating vacuum sealing flange for high voltage transmission according to claim 6, wherein: the size of the outer wall of the sealing gasket (8) is matched with the size of the inner wall of the first limiting groove (9), and the sealing gasket (8) is attached to the first limiting groove (9).

8. An insulating vacuum sealing flange for high voltage transmission according to claim 1, wherein: the sealing gasket (8) and the second limiting groove (11) form an embedded structure through the embedded block (10), and the embedded block (10) is symmetrically distributed along the horizontal central axis of the sealing gasket (8).