CN210890060U

CN210890060U - Medium-pressure asbestos sealing gasket

Info

Publication number: CN210890060U
Application number: CN201921807575.9U
Authority: CN
Inventors: 刘飞
Original assignee: Yangzhong City Yonggong Seal Co ltd
Current assignee: Yangzhong City Yonggong Seal Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-06-30
Anticipated expiration: 2029-10-25

Abstract

The utility model relates to the technical field of sealing gaskets, and discloses a medium-pressure asbestos sealing gasket, which solves the problems that the sealing performance is poor, the leakage phenomenon is easy to occur and the assembly of the medium-pressure asbestos sealing gasket is inconvenient in the using process of the common asbestos sealing gasket, and comprises a gasket body, wherein a central hole is arranged at the center of the gasket body; the utility model discloses, through the cooperation use of sealing layer, inflation layer, waterproof layer and pressure spring etc. that set up, when moisture permeates the inside of gasket body, the inflation layer meets water inflation, and can not dwindle under the pressure effect to make gasket body and the object of installation further laminate, use through the cooperation of sealing ring at last, thereby make it have good sealing performance; the clamping grooves and the clamping rings are matched for use, the plurality of gasket bodies can be conveniently assembled together through the clamping of the clamping grooves and the clamping rings, and the number of the gasket bodies can be set according to actual needs.

Description

Medium-pressure asbestos sealing gasket

Technical Field

The utility model belongs to the technical field of seal gasket, specifically be a medium-pressure asbestos seal gasket.

Background

The sealing gasket is a sealing spare part used for machines, equipment and pipelines as long as the fluid exists, and uses the materials with the sealing function inside and outside; the sealing gasket is made of metal or nonmetal plate-shaped material by cutting, stamping or cutting and is used for sealing connection between pipelines and sealing connection between machine parts of machine equipment.

However, the sealing performance of the general asbestos sealing gasket is poor in the using process, the leakage phenomenon is easy to occur, and the asbestos sealing gasket is inconvenient to assemble.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned condition, for overcoming prior art's defect, the utility model provides a medium-pressure asbestos seal gasket, the effectual general asbestos seal gasket of having solved is at the in-process that uses, and sealing performance is relatively poor, takes place easily to leak the phenomenon, and is not convenient for carry out the problem assembled to it.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a medium-pressure asbestos seal gasket, includes the gasket body, the center department of gasket body has seted up the centre bore, and the draw-in groove has been seted up to the one end of centre bore, and even snap ring as an organic whole is installed to the other end of centre bore, and the annular groove has been seted up to the outer wall of gasket body one side, and the internally mounted of annular groove has the clamp plate, and the one end of clamp plate cup joints with pressure spring's one end, and pressure spring installs in the inside of annular.

Preferably, the clamping groove and the clamping ring are correspondingly arranged and matched in size.

Preferably, the gasket body is sleeved with a sealing ring, and the sealing ring is made of an elastic material.

Preferably, the gasket body comprises a sealing layer, the bottom end of the sealing layer is bonded with the top end of the expansion layer, the bottom end of the expansion layer is bonded with the top end of the base layer, and the base layer is bonded with the top end of the waterproof layer.

Preferably, the sealing layer is made of asbestos material, and the expansion layer is made of water-absorbent resin material.

Preferably, the base layer is made of a rubber material, and the waterproof layer is made of a polyurethane material.

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

1) during operation, the gasket body can be tightly attached to an installed object under the action of the compression spring during installation, when moisture permeates into the gasket body, the expansion layer expands with water and cannot shrink under the action of pressure, so that the gasket body is further attached to the installed object, and finally, the gasket body is matched with the sealing ring for use, so that the gasket has good sealing performance;

2) the gasket comprises a plurality of gasket bodies, wherein the gasket bodies are connected with the clamping grooves in a matched mode, the clamping grooves are formed in the clamping rings, the clamping rings are connected with the clamping grooves in a matched mode, the gasket bodies can be assembled together conveniently, and the number of the gasket bodies can be set according to actual needs.

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 structural view of the present invention;

FIG. 2 is a schematic view of the gasket body structure of the present invention;

FIG. 3 is a schematic view of the gasket body of the present invention;

in the figure: 1. a gasket body; 2. a central bore; 3. a card slot; 4. a snap ring; 5. an annular groove; 6. pressing a plate; 7. a compression spring; 8. a seal ring; 9. a sealing layer; 10. an intumescent layer; 11. a base layer; 12. and a waterproof layer.

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 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.

Embodiment one, given by fig. 1-3, the utility model discloses a gasket body 1, centre bore 2 has been seted up to the center department of gasket body 1, be convenient for install it, draw-in groove 3 has been seted up to the one end of centre bore 2, the snap ring 4 as an organic whole even is installed to the other end of centre bore 2, can make up a plurality of gasket bodies 1 and use, annular groove 5 has been seted up to the outer wall of gasket body 1 one side, the internally mounted of annular groove 5 has clamp plate 6, clamp plate 6's one end cup joints with pressure spring 7's one end, and pressure spring 7 installs in the inside of annular groove 5, can guarantee that gasket body 1 is in under certain pressure all the time.

In the second embodiment, on the basis of the first embodiment, the clamping groove 3 and the snap ring 4 are correspondingly arranged and matched in size, so that the clamping groove and the snap ring are convenient to use in a matched manner.

In the third embodiment, on the basis of the first embodiment, the sealing ring 8 is sleeved outside the gasket body 1, and the sealing ring 8 is made of an elastic material, so that the sealing performance can be further improved.

In the fourth embodiment, on the basis of the first embodiment, the gasket body 1 includes the sealing layer 9, the bottom end of the sealing layer 9 is bonded to the top end of the expansion layer 10, the bottom end of the expansion layer 10 is bonded to the top end of the base layer 11, and the base layer 11 is bonded to the top end of the waterproof layer 12, so that the gasket has good sealing performance.

In the fifth embodiment, the sealing layer 9 is made of asbestos material, and the swelling layer 10 is made of water-absorbent resin material, and is swellable with water and does not shrink under pressure.

In the sixth embodiment, on the basis of the fourth embodiment, the base layer 11 is made of rubber, and the waterproof layer 12 is made of polyurethane, so that the waterproof performance is good.

The working principle is as follows: during operation, at first through the sealing layer 9 that sets up, inflation layer 10, waterproof layer 12 and compression spring 7 etc. cooperation are used, during the installation, under compression spring 7's effect, can make gasket body 1 closely laminate with the object of installation, when moisture permeates gasket body 1's inside, inflation layer 10 meets water inflation, and can not reduce under the pressure effect, thereby make gasket body 1 further laminate with the object of installation, use through the cooperation of sealing ring 8 at last, thereby make it have good sealing performance, use through the cooperation of draw-in groove 3 and snap ring 4 etc. that sets up, can pass through draw-in groove 3 and the joint of snap ring 4, assemble a plurality of gasket bodies 1 together, thereby can set up the number of gasket body 1 according to actual needs.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 medium-pressure asbestos seal gasket, includes gasket body (1), its characterized in that: center hole (2) have been seted up in the center department of gasket body (1), draw-in groove (3) have been seted up to the one end of center hole (2), link snap ring (4) as an organic whole is installed to the other end of center hole (2), annular groove (5) have been seted up to the outer wall of gasket body (1) one side, the internally mounted of annular groove (5) has clamp plate (6), the one end of clamp plate (6) cup joints with the one end of pressure spring (7), and pressure spring (7) are installed in the inside of annular groove (5).

2. The medium-pressure asbestos sealing gasket according to claim 1, characterized in that: the clamping groove (3) and the clamping ring (4) are correspondingly arranged and matched in size.

3. The medium-pressure asbestos sealing gasket according to claim 1, characterized in that: the gasket is characterized in that a sealing ring (8) is sleeved outside the gasket body (1), and the sealing ring (8) is made of elastic materials.

4. The medium-pressure asbestos sealing gasket according to claim 1, characterized in that: the gasket body (1) comprises a sealing layer (9), the bottom end of the sealing layer (9) is bonded with the top end of an expansion layer (10), the bottom end of the expansion layer (10) is bonded with the top end of a base layer (11), and the base layer (11) is bonded with the top end of a waterproof layer (12).

5. The medium-pressure asbestos sealing gasket according to claim 4, characterized in that: the sealing layer (9) is made of asbestos materials, and the expansion layer (10) is made of water-absorbent resin materials.

6. The medium-pressure asbestos sealing gasket according to claim 4, characterized in that: the base layer (11) is made of rubber materials, and the waterproof layer (12) is made of polyurethane materials.