CN210510263U

CN210510263U - Metal wound gasket

Info

Publication number: CN210510263U
Application number: CN201921260554.XU
Authority: CN
Inventors: 李卓
Original assignee: Changzhou Changwu Xinshe Petrochemical Fittings Co ltd
Current assignee: Changzhou Changwu Xinshe Petrochemical Fittings Co ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-05-12
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses a metal winding type gasket, which comprises an outer ring, two sealing gaskets and an inner ring, wherein four limiting holes are symmetrically drilled on the outer ring, the inner ring is welded inside the outer ring, the two sealing gaskets are symmetrically clamped and installed at the welding part of the outer ring and the inner ring and are far away from each other, the inner wall of the inner ring is coated with anti-rust paint, and a circular opening is formed between the inner walls of the inner ring. Greatly increasing the service cycle of the metal winding type gasket.

Description

Metal wound gasket

Technical Field

The utility model relates to a gasket, in particular to metal wound gasket belongs to gasket technical field.

Background

The metal winding gasket is a sealing gasket widely applied at present, is a gasket with the best rebound resilience in a semi-metal sealing gasket, is formed by alternately winding a V-shaped or W-shaped thin steel strip and various fillers, can resist high temperature and high pressure and is suitable for being used under the conditions of ultralow temperature or vacuum, can solve the problem of chemical corrosion of various media to the gasket by changing the material combination of the gasket, can be manufactured according to different locking force requirements in structural density, is provided with an inner metal reinforcing ring and an outer metal positioning ring for reinforcing a main body and accurately positioning, controls the maximum compression degree by utilizing the inner steel ring and the outer steel ring, and has low requirement on the surface precision of a flange sealing surface contacted with the gasket.

Traditional metal winding formula gasket is in the in-service use, by the outer loop, inner ring and seal ring embedding are connected as an organic wholely, in the in-service use of reality, the inner ring exposes with the welding point of outer loop, long-term the use easily leads to the welding point rusty corrosion, and seal ring is not convenient for change, need carry out whole change to the gasket, life cycle reduces greatly, to this should carry out innovation once more in the aspect of the protection of the welding point of outer loop and inner ring and seal ring's the change, make it can protect the welding point not corroded, can long-term use, and seal ring is convenient for change, a metal winding formula gasket should be designed to this.

SUMMERY OF THE UTILITY MODEL

The utility model provides a metal wound gasket to solve the problem of mentioning in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a metal wound gasket, includes outer loop, seal ring and inner ring, the symmetry is excavated on the outer loop has four spacing holes, the inside weld of outer loop has the inner ring, two seal rings are installed with the bilateral symmetry joint that the inner ring splice was just kept away from mutually to the outer loop, scribble the anti-rust paint on the inner wall of inner ring, form circular mouth between the inner wall of inner ring.

As a preferred technical scheme of the utility model, the bilateral symmetry that outer loop and inner ring welding department and kept away from mutually is equipped with two draw-in grooves, and two seal ring joint respectively is installed in two draw-in grooves.

As a preferred technical scheme of the utility model, the outer loop is close to the first annular buttcover plate of inner ring one side fixedly connected with, the inner ring is close to one side of outer loop and is located the below fixedly connected with second annular buttcover plate of first annular buttcover plate, just one side that first annular buttcover plate is close to the inner ring welds with the outer wall of inner ring, second annular buttcover plate is close to one side of outer loop and the inner wall welding of outer loop.

As a preferred technical scheme of the utility model, one side that first annular buttcover plate is close to second annular buttcover plate is dug there are a plurality of spacing grooves, the second annular buttcover plate is close to one side of first annular buttcover plate and corresponds a plurality of spacing posts of the position fixedly connected with in a plurality of spacing grooves, and is a plurality of spacing post inserts the block butt joint with a plurality of spacing grooves respectively.

As an optimized technical scheme of the utility model, outer loop and inner ring are stainless steel, two seal ring is the rubber material.

The utility model discloses the beneficial effect who reaches is: the utility model relates to a metal wound gasket, have life cycle's characteristics, in specific use, compare with traditional metal wound gasket, this improved generation metal wound gasket covers the welding point of outer loop and inner ring in seal ring, can prevent that the welding point from rustting and corroding, and the block butt joint through spacing groove and spacing post improves outer loop and inner ring connection's fastness, and the seal ring joint is installed in the draw-in groove, be convenient for change, the gasket need not whole change after using for a long time, only need to change seal ring and can guarantee its sealing performance, the use cost of maintaining the gasket has been reduced, greatly increased this metal wound gasket's life cycle.

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 serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

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

fig. 3 is a schematic view of the connection between the outer ring and the inner ring of the present invention.

In the figure: 1. an outer ring; 11. a card slot; 12. a first annular butt plate; 13. a limiting groove; 2. a sealing gasket; 3. a circular port; 4. antirust paint; 5. an inner ring; 51. a second annular butt plate; 52. a limiting column; 6. and a limiting hole.

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.

Examples

As shown in fig. 1-3, the utility model relates to a metal wound gasket, including outer loop 1, seal ring 2 and inner ring 5, the symmetry is excavated on outer loop 1 has four spacing holes 6, the inside welding of outer loop 1 has inner ring 5, two seal ring 2 are installed with the bilateral symmetry joint that inner ring 5 welding department and kept away from mutually to outer loop 1, scribble anti-rust paint 4 on inner ring 5's the inner wall, form circular mouth 3 between inner ring 5's the inner wall.

Wherein, the bilateral symmetry that outer loop 1 and inner ring 5 splice and kept away from mutually is equipped with two draw-in grooves 11, and two seal ring 2 joint is installed in two draw-in grooves 11 respectively, and the change of seal ring 2 of being convenient for has reduced the use cost who maintains the gasket.

Wherein, outer loop 1 is close to the first annular buttjunction board 12 of one side fixedly connected with of inner ring 5, inner ring 5 is close to one side of outer loop 1 and is located the below fixedly connected with second annular buttjunction board 51 of first annular buttjunction board 12, just first annular buttjunction board 12 is close to one side of inner ring 5 and the outer wall welding of inner ring 5, second annular buttjunction board 51 is close to one side of outer loop 1 and the inner wall welding of outer loop 1, is convenient for the welding installation of outer loop 1 and inner ring 5 to protect the welding point in seal ring 2, prevent effectively that the welding point from exposing and leading to the rusty corrosion, improve the stability that outer loop 1 and inner ring 5 are connected.

Wherein, first annular butt plate 12 is close to one side of second annular butt plate 51 and cuts a plurality of spacing grooves 13, second annular butt plate 51 is close to one side of first annular butt plate 12 and corresponds a plurality of spacing posts 52 of the fixed position of a plurality of spacing grooves 13, and is a plurality of spacing post 52 inserts the block butt joint with a plurality of spacing grooves 13 respectively, ensures that outer loop 1 and inner ring 5 stably dock, improves the fastness behind its welded connection.

Wherein, outer loop 1 and inner ring 5 are stainless steel, two seal ring 2 is the rubber material, and stainless steel's outer loop 1 and inner ring 5 anticorrosion are effectual, effectively improve the life of gasket, and seal ring 2 of rubber material has good elasticity, can guarantee still can with extrusion spare in close contact with after the extrusion, effectively improve the leakproofness of gasket.

Specifically, when the utility model is used, in the production and manufacturing process of the improved metal winding type gasket, firstly, the limit column 52 is in butt joint with the limit groove 13 in a clamping way, the connection stability of the outer ring 1 and the inner ring 5 is effectively improved, then the contact end of the first annular butt joint plate 12 and the inner ring 5 is welded, the contact end of the second annular butt joint plate 51 and the outer ring 1 is welded, the connection firmness of the outer ring 1 and the inner ring 5 can be increased through two welding points, after the outer ring 1 and the inner ring 5 are welded into a whole, the two sealing gaskets 2 are clamped in the clamping groove 11 formed between the outer ring 1 and the inner ring 5, the sealing gaskets 2 can be conveniently replaced, the welding points can be covered in the sealing gaskets 2, the sealing protection effect is achieved for the welding points, the welding points are effectively prevented from being exposed to be corroded and rusted, the connection firmness of the outer ring 1 and the inner ring 5 is further, when the gasket is used for a long time and leads to the decline of sealing performance, only need protect seal ring 2 more and can guarantee its sealing performance, need not to carry out whole change to the gasket, reduced the use cost of maintaining the gasket, greatly increased this improved generation metal winding formula gasket's life cycle.

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 a metal wound gasket, includes outer ring (1), seal ring (2) and inner ring (5), its characterized in that, the symmetry is opened chisel on outer ring (1) has four spacing holes (6), the inside welding of outer ring (1) has inner ring (5), two seal ring (2) are installed to the bilateral symmetry joint that outer ring (1) and inner ring (5) welding department and kept away from mutually, scribble on the inner wall of inner ring (5) and scribble anti-rust paint (4), form circular mouth (3) between the inner wall of inner ring (5).

2. The metal winding type gasket as claimed in claim 1, wherein two clamping grooves (11) are symmetrically arranged at the welding position of the outer ring (1) and the inner ring (5) and at two sides far away from each other, and the two sealing gaskets (2) are respectively clamped and mounted in the two clamping grooves (11).

3. The metal winding gasket as recited in claim 1, characterized in that a first annular butt plate (12) is fixedly connected to one side of the outer ring (1) close to the inner ring (5), a second annular butt plate (51) is fixedly connected to one side of the inner ring (5) close to the outer ring (1) and below the first annular butt plate (12), one side of the first annular butt plate (12) close to the inner ring (5) is welded to the outer wall of the inner ring (5), and one side of the second annular butt plate (51) close to the outer ring (1) is welded to the inner wall of the outer ring (1).

4. The metal winding type gasket as claimed in claim 3, wherein a plurality of limiting grooves (13) are drilled on one side of the first annular butt plate (12) close to the second annular butt plate (51), a plurality of limiting posts (52) are fixedly connected to the second annular butt plate (51) close to one side of the first annular butt plate (12) and corresponding to the plurality of limiting grooves (13), and the plurality of limiting posts (52) are respectively inserted into the plurality of limiting grooves (13) for clamping and butt joint.

5. The metal wound gasket as claimed in claim 1, wherein said outer ring (1) and said inner ring (5) are both made of stainless steel, and said two sealing gaskets (2) are both made of rubber.