CN218818141U

CN218818141U - Novel composite gasket

Info

Publication number: CN218818141U
Application number: CN202223088952.2U
Authority: CN
Inventors: 张思萌; 曹忠海; 张孟福; 李莹莹
Original assignee: Daqing Long Feng Machinery Equipment Manufacturing Co ltd
Current assignee: Daqing Long Feng Machinery Equipment Manufacturing Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-04-07
Anticipated expiration: 2032-11-17

Abstract

The utility model provides a novel composite gasket, including gasket main part and anti extrusion deformation structure, the gasket main part includes first non-metal gasket layer, metal gasket layer and the non-metal gasket layer of second, the upper and lower both ends on metal gasket layer all are equipped with a plurality of tooth-shaped grooves, and the identical joint of tooth on first non-metal gasket layer and the non-metal gasket layer of second is in the upper and lower both ends on metal gasket layer, anti extrusion deformation structure include metal pullover, metal loop bar and buffer spring, metal loop bar with metal gasket layer fixed connection, the metal loop head with the metal loop bar cup joints, and the tip of metal loop bar stretches into in the hollow chamber of the inside of metal loop head, buffer spring has been cup jointed to the outside of metal loop bar, and anti extrusion deformation structure symmetric distribution is in the inside on first non-metal gasket layer and the non-metal gasket layer of second. The utility model discloses an anti extrusion deformation structure carries out the enhancement of compressive capacity to its axial, reduces the risk that the nonmetal layer received liquid erosion by being extruded from the side.

Description

Novel composite gasket

Technical Field

The utility model relates to a gasket technical field, very much be novel composite gasket.

Background

The tooth profile of the metal framework is arranged on the same plane, and the tooth profile of the nonmetal gasket matched with the tooth profile of the metal framework is connected with the tooth profile of the nonmetal gasket. Even causing the gasket to be squeezed out or eroded away by the sealed flowing medium under the pressure of the sealing face and the pressure of the sealed medium.

Therefore, the novel composite gasket with the authorization notice number of CN 2611688Y has the advantages that the side teeth of the metal framework are provided with the internal teeth with high heights so as to achieve the purpose of coating the non-metal material, so that the extrusion resistance of the non-metal material of the composite gasket can be improved, but the side teeth are limited in height, and the non-metal material can still be extruded from the side edge when bearing high pressure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel composite gasket is in order to solve above-mentioned problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: novel composite pad piece, including gasket main part and anti extrusion deformation structure, the gasket main part includes first nonmetal gasket layer, metal gasket layer and the nonmetal gasket layer of second, the upper and lower both ends on metal gasket layer all are equipped with a plurality of tooth-shaped grooves, the identical joint of tooth on first nonmetal gasket layer and the nonmetal gasket layer of second is in the upper and lower both ends on metal gasket layer, anti extrusion deformation structure includes metal pullover, metal loop bar and buffer spring, the metal loop bar with metal gasket layer fixed connection, the metal pullover with the metal loop bar cup joints, the tip of metal loop bar stretches into in the hollow cavity chamber of the inside of metal loop bar, buffer spring has been cup jointed to the outside of metal loop bar, anti extrusion deformation structure symmetric distribution is in the inside on first nonmetal gasket layer and the nonmetal gasket layer of second.

Preferably, the joint of the metal loop bar and the metal gasket layer is positioned at the center of the tooth-shaped groove.

Preferably, the anti-crush structures are circumferentially distributed on the inner part of the first non-metallic gasket layer and the second non-metallic gasket layer along the axis of the composite gasket.

Preferably, the metal sleeve head, the metal sleeve rod and the metal gasket layer are made of the same material.

Preferably, the edge teeth of the metal gasket layer are higher than or equal to the teeth inside the metal gasket layer.

The utility model provides a novel composite gasket. The method has the following beneficial effects:

the utility model provides a novel composite pad piece adopts anti extrusion deformation structure to carry out compressive capacity's enhancement to its axial, reduces the risk that the nonmetal layer received liquid erosion by being extruded from the side.

Drawings

Fig. 1 is the schematic view of the sectional structure of the composite gasket of the present invention.

Fig. 2 is a schematic view of the overlooking structure of the composite gasket of the present invention.

In the figure: 1. a gasket body; 2. an anti-extrusion deformation structure; 3. a first non-metallic gasket layer; 4. a metal gasket layer; 5. a second non-metallic gasket layer; 6. a toothed groove; 7. a metal sleeve head; 8. a metal loop bar; 9. a buffer spring.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

in the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-2, the novel composite gasket comprises a gasket main body 1 and an anti-extrusion deformation structure 2, the gasket main body 1 comprises a first non-metal gasket layer 3, a metal gasket layer 4 and a second non-metal gasket layer 5, the upper end and the lower end of the metal gasket layer 4 are both provided with a plurality of tooth-shaped grooves 6, the teeth of the first non-metal gasket layer 3 and the second non-metal gasket layer 5 are engaged and engaged with the upper end and the lower end of the metal gasket layer 4 for sealing the upper end and the lower end, the tooth-shaped grooves 6 are designed to reduce the horizontal deviation of the first non-metal gasket layer 3 and the second non-metal gasket layer 5, the anti-extrusion deformation structure 2 comprises a metal sleeve head 7, a metal sleeve rod 8 and a buffer spring 9, the metal sleeve rod 8 is fixedly connected with the metal gasket layer 4, the metal sleeve head 7 is sleeved with the metal sleeve rod 8, the end of the metal sleeve rod 8 extends into a hollow cavity of the metal sleeve head 7, the buffer spring 9 is sleeved outside the metal sleeve rod 8, the metal sleeve head 7 reduces the axial deformation of the buffer spring 9 when being pressed, and the anti-extrusion deformation structure is symmetrically distributed in the second non-metal gasket layer 3 and the second non-metal gasket layer 5.

Through the above technical scheme of the utility model, metal loop bar 8 is located the center department of flute profile 6 with metal gasket layer 4 junction.

Through the above technical scheme of the utility model, anti extrusion deformation structure 2 encircles the inside that distributes at first nonmetal gasket layer 3 and second nonmetal gasket layer 5 along composite shim's axis and carries out even structure enhancement.

Through the above technical scheme of the utility model, metal pullover 7, metal loop bar 8 and 4 the same integrated into one piece of being convenient for of metal gasket layer material.

Through the above technical scheme of the utility model, metal gasket layer 4's limit tooth is higher than or equal to its inside tooth, and metal gasket layer 4's limit tooth is higher than its inside tooth and makes its side cladding nature stronger for it has high durability, and metal gasket layer 4's limit tooth equals its inside tooth, and it still has certain cladding effect, cooperates anti extrusion deformation structure 2 to make it can satisfy most durable demands that use the scene.

The utility model discloses a concrete implementation flow as follows: the nonmetal gasket layer of first nonmetal gasket layer 3 and the nonmetal gasket layer of second 5 that lie in about 4 metal gasket layers provide double containment face for the upper and lower face of composite pad, wherein the surface of the nonmetal gasket layer of first nonmetal gasket layer 3 and the nonmetal gasket layer of second 5 is the compressed surface, metal pullover 7 slides along metal loop bar 8 along pushing down during its compressed, metal pullover 7 extrusion buffer spring 9 makes the axial deformation of the nonmetal gasket layer of first nonmetal gasket layer 3 and second 5 restricted, thereby greatly reduced its axial deformation too big and the risk of being eroded by extruding from the composite pad side that leads to.

To sum up, the utility model provides a novel composite pad piece adopts anti extrusion deformation structure to carry out compressive capacity's enhancement to its axial, reduces the nonmetal layer and is extruded from the side and receive the risk that liquid erodeed. The practicability is strong, and the method is worth popularizing.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Novel composite gasket, including gasket main part (1) and anti extrusion deformation structure (2), its characterized in that, gasket main part (1) is including first nonmetal gasket layer (3), metal gasket layer (4) and second nonmetal gasket layer (5), the upper and lower both ends of metal gasket layer (4) all are equipped with a plurality of tooth-shaped grooves (6), the identical joint of tooth of first nonmetal gasket layer (3) and second nonmetal gasket layer (5) is in the upper and lower both ends of metal gasket layer (4), anti extrusion deformation structure (2) are including metal pullover (7), metal loop bar (8) and buffer spring (9), metal loop bar (8) with metal gasket layer (4) fixed connection, metal pullover (7) with metal loop bar (8) cup joint, the tip of metal loop bar (8) stretches into the inside hollow cavity of metal pullover (7), buffer spring (9) have been cup jointed to the outside of metal loop bar (8), anti extrusion deformation structure (2) symmetric distribution is in the inside hollow cavity of first nonmetal gasket layer (3) and second gasket layer (5).

2. The novel composite gasket of claim 1, wherein: the joint of the metal loop bar (8) and the metal gasket layer (4) is positioned at the center of the tooth-shaped groove (6).

3. The novel composite gasket of claim 1, wherein: the anti-extrusion deformation structure (2) is distributed inside the first nonmetal gasket layer (3) and the second nonmetal gasket layer (5) in a surrounding mode along the axis of the composite gasket.

4. The novel composite gasket of claim 1, wherein: the metal sleeve head (7), the metal sleeve rod (8) and the metal gasket layer (4) are made of the same material.

5. The novel composite gasket of claim 1, wherein: the edge teeth of the metal gasket layer (4) are higher than or equal to the teeth inside the metal gasket layer.