CN216382549U - Metal beta-shaped sealing ring - Google Patents

Abstract

The utility model relates to the technical field of sealing rings, and discloses a metal beta-shaped sealing ring, which solves the problems of simple structure, no self-sealing performance and poor sealing performance of the traditional sealing ring, and comprises a sealing ring main body, wherein an inward-folded ring is arranged on the inner side of the sealing ring main body, a cavity is arranged in the inward-folded ring, the cavity of the inward-folded ring is of an up-and-down symmetrical abutting structure, and the cavity is a cavity structure formed by directly folding a sealing ring main body towards an inner ring and the inner wall of the sealing ring main body. The elasticity is 50-60% higher, and the cost is low.

Description

Metal beta-shaped sealing ring

Technical Field

The utility model belongs to the technical field of sealing rings, and particularly relates to a metal beta-shaped sealing ring.

Background

The sealing ring has the main functions of tightly contacting two contact parts, preventing air leakage and liquid leakage, and has the functions of pressure relief, shock resistance and looseness prevention.

Traditional sealing washer simple structure does not possess self sealss performance, and sealing performance is relatively poor.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the metal beta-shaped sealing ring, which effectively solves the problems that the existing sealing ring is simple in structure, does not have self-sealing performance and is poor in sealing performance.

In order to achieve the purpose, the utility model provides the following technical scheme: the metal beta-shaped sealing ring comprises a sealing ring main body, wherein an inward-folded ring is arranged on the inner side of the sealing ring main body, a cavity is formed in the inward-folded ring, and the cavity of the inward-folded ring is of an up-and-down symmetrical abutting structure.

Preferably, the cavity is a cavity structure formed by the sealing ring main body directly bending towards the inner ring and the inner wall of the sealing ring main body.

Preferably, the cavity is a β -like structure.

Preferably, the periphery of the sealing ring main body is plated with a layer of soft metal, and the soft metal can be a gold material, a silver material, a copper material or a tin material.

Preferably, the middle part of the cavity is provided with a ventilation channel.

Preferably, the outer end of the sealing ring main body is connected with a convex ring, and a coating layer is sleeved outside the sealing ring main body;

the annular groove has been seted up to the coating inner wall, and the inside circumference of annular groove evenly is connected with the arc piece, is formed with the buffering clearance between the adjacent arc piece, and the arc wall with bulge loop looks adaptation is seted up to arc piece inner wall.

Preferably, an upper sealing cavity is circumferentially and uniformly formed in the upper end of the coating layer, a lower sealing cavity is circumferentially and uniformly formed in the lower end of the coating layer, and the upper sealing cavity corresponds to the lower sealing cavity.

Preferably, the arc-shaped block and the coating layer are of an integrally formed structure.

Preferably, the coating layer is made of a metal material.

Preferably, the sealing ring main body and the inward-folding ring are made of metal materials.

Compared with the prior art, the utility model has the beneficial effects that:

(1) according to the novel middle inward-folded ring, the sealing ring main body and the inward-folded ring structure with the beta-shaped section are adopted, when the component is compressed, the opposite folded edges in the novel middle inward-folded ring can gradually abut against each other along with the compression of the component, the deformation resistance is generated, the self-sealing performance is realized, the self-sealing structure can utilize the system pressure to achieve the self-reinforcing effect, meanwhile, compared with a common C-shaped ring, the elasticity is 50-60% higher, and the cost is low;

(2) through the setting of upper seal chamber and lower seal chamber, can make this novel when receiving the extrusion force between two seal parts, the coating produces extrusion deformation, forms new sealed at two seal part's gap position to realize the sealed effect of automatic compensation, in addition, when appearing the space on sealed face, because this novel compensatory that has, make it have good sealing performance.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is a schematic view of the connection structure of the male ring of the present invention;

FIG. 4 is a cross-sectional view of a cladding layer of the present invention;

FIG. 5 is a schematic view of the inner edge of the ring of the present invention;

in the figure: 1. a seal ring main body; 2. an inward folding ring; 3. a cavity; 4. a convex ring; 5. a coating layer; 6. an annular groove; 7. an arc-shaped block; 8. a buffer gap; 9. an arc-shaped slot; 10. an upper sealed chamber; 11. a lower sealed cavity; 12. a vent passage.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments; 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.

In the first embodiment, as shown in fig. 1 to 5, the present invention includes a seal ring main body 1, an inward-folded ring 2 is disposed inside the seal ring main body 1, a cavity 3 is disposed inside the inward-folded ring 2, the cavity 3 of the inward-folded ring 2 is an up-down symmetrical abutting structure, the cavity 3 is a cavity structure formed by the inner wall of the seal ring main body 1 and the inner wall of the seal ring main body 1 by the inward-folded ring main body 1 being directly folded toward the inner ring, the cavity 3 is a beta-like structure, a layer of soft metal is plated on the periphery of the seal ring main body 1, the soft metal may be a gold material, a silver material, a copper material or a tin material, a ventilation channel 12 is disposed in the middle of the cavity 3, and the seal ring main body 1 and the inward-folded ring 2 are made of metal materials, so that the novel seal ring has a high strength characteristic;

can offset gradually along with compressing tightly of two parts, two hems of infolding ring 2 produce the resistance to deformation ability, have self sealss performance, and such self sealss constructs, can utilize system's pressure, reach the self-reinforcing effect, simultaneously, ordinary C type circle relatively, elasticity is higher by 50-60%, and with low costs, and this novel mainly is applied to aeroengine and gas turbine coupling, nuclear power and pressure instrument joint, vacuum and semiconductor trade flange and joint department.

In the second embodiment, on the basis of the first embodiment, the outer end of the sealing ring main body 1 is connected with a convex ring 4, and a coating layer 5 is sleeved outside the sealing ring main body 1; annular groove 6 has been seted up to 5 inner walls of coating, 6 inside circumference evenly connected with arc piece 7 of annular groove, be formed with buffer clearance 8 between the adjacent arc piece 7, arc 9 with 4 looks adaptations of bulge loop is seted up to 7 inner walls of arc piece, upper seal chamber 10 has evenly been seted up to 5 upper end circumference of coating, lower seal chamber 11 has evenly been seted up to 5 lower extreme circumference of coating, upper seal chamber 10 corresponds with lower seal chamber 11, arc piece 7 is the integrated into one piece structure with coating 5, coating 5 is made for the metal material.

Through the setting of last sealed chamber 10 and lower sealed chamber 11, can make this novel when receiving the extrusion force between two seal parts, coating 5 produces extrusion deformation, forms new sealed at two seal parts's gap position to realize the sealed effect of automatic compensation, arc piece 7 and coating 5 be the integrated into one piece structure, and coating 5 is made for the metal material, and tensile strength is high, makes this novel intensity that has high, characteristics such as corrosion resistance is good, the heat resistance is high, sealing performance height.

The working principle is as follows: when in use, the novel sealing ring is arranged between two sealing parts to be sealed, and is gradually screwed close to the two parts, the opposite hems in the novel middle inward-folding ring 2 can gradually offset along with the compression of the parts to generate the deformation resistance and have the self-sealing performance, and the self-sealing structure can utilize the system pressure to achieve the self-reinforcing effect, simultaneously has the elasticity which is 50 to 60 percent higher than that of a common C-shaped ring and is low in cost, in addition, when the novel sealing ring receives the extrusion force of the two sealing parts, the coating layer 5 generates extrusion deformation and forms new sealing at the gap parts of the two sealing parts through the arrangement of the upper sealing cavity 10 and the lower sealing cavity 11, and the buffer gap 8 between the inner arc-shaped blocks 7 can ensure that the novel sealing ring has a deformation space when being extruded, so that the sealing gasket has good sealing performance.

Claims (10)

1. The utility model provides a metal beta sealing washer, includes sealing washer main part (1), its characterized in that: the inner side of the sealing ring main body (1) is provided with an inward-folded ring (2), a cavity (3) is formed in the inward-folded ring (2), and the cavity (3) of the inward-folded ring (2) is of an up-and-down symmetrical abutting structure.

2. The metal β -ring seal according to claim 1, wherein: the cavity (3) is a cavity structure formed by the sealing ring main body (1) directly bending towards the inner ring and the inner wall of the sealing ring main body (1).

3. The metal β -ring seal according to claim 2, wherein: the cavity (3) is of a beta-like structure.

4. The metal β -ring seal according to claim 1, wherein: the periphery of the sealing ring main body (1) is plated with a layer of soft metal, and the soft metal can be a gold material, a silver material, a copper material or a tin material.

5. The metal β -ring seal according to claim 1, wherein: the middle part of the cavity (3) is provided with a ventilation channel (12).

6. The metal β -ring seal according to claim 1, wherein: the outer end of the sealing ring main body (1) is connected with a convex ring (4), and a coating layer (5) is sleeved outside the sealing ring main body (1);

annular groove (6) have been seted up to coating (5) inner wall, and annular groove (6) inside circumference evenly is connected with arc piece (7), is formed with between adjacent arc piece (7) buffering clearance (8), and arc wall (9) with bulge loop (4) looks adaptation are seted up to arc piece (7) inner wall.

7. The metal β -ring seal according to claim 6, wherein: an upper sealing cavity (10) is uniformly formed in the upper end of the coating layer (5) in the circumferential direction, a lower sealing cavity (11) is uniformly formed in the lower end of the coating layer (5) in the circumferential direction, and the upper sealing cavity (10) corresponds to the lower sealing cavity (11).

8. The metal β -ring seal according to claim 6, wherein: the arc-shaped block (7) and the coating layer (5) are of an integrally formed structure.

9. The metal β -ring seal according to claim 6, wherein: the coating layer (5) is made of metal materials.

10. The metal β -ring seal according to claim 1, wherein: the sealing ring main body (1) and the inward-folded ring (2) are made of metal materials.

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