CN218347919U

CN218347919U - Flexible graphite metal gasket

Info

Publication number: CN218347919U
Application number: CN202220759111.0U
Authority: CN
Inventors: 张星
Original assignee: Yichang Smeida Sealing Material Co ltd
Current assignee: Yichang Smeida Sealing Material Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2023-01-20
Anticipated expiration: 2032-04-01

Abstract

The utility model relates to a metal gasket technical field, and a flexible graphite metal gasket is disclosed, including inner ring and outer loop, the beaded finish has between this outer loop and the inner ring, this beaded finish is fixed in between this outer loop and the inner ring, the outside of this outer loop has the fixed block, the outside of this fixed block has the non slipping spur, this non slipping spur is fixed in this fixed block inboard, and this non slipping spur and this outer loop fixed connection, the inboard of this inner ring has flexible pad, this flexible pad is fixed in the inboard of this inner ring, and the outside of this flexible pad has the recess, the surface of this inner ring is seted up in this recess, through the utility model provides a flexible graphite metal gasket can be used for between two installed parts, and for ordinary flexible graphite metal gasket, the utility model provides a flexible graphite metal gasket possesses the stability that can guarantee in the gasket use, and can make the gasket with by advantages such as mounted position laminating.

Description

Flexible graphite metal gasket

Technical Field

The utility model relates to a metal gasket technical field especially relates to a flexible graphite metal gasket.

Background

The metal graphite winding pad is a pad with the best rebound resilience in a semi-metal sealing pad, is formed by alternately winding a V-shaped or W-shaped thin steel strip and various fillers (graphite, asbestos and tetrafluoro), can be manufactured according to different locking force requirements in structural density, utilizes inner and outer steel rings to control the maximum compression degree, and has low requirement on the surface precision of a flange sealing surface contacted with the pad. It is especially suitable for the places of uneven load, easy loosening of joint force, periodic variation of temperature and pressure, and impact or vibration. The static sealing element is a static sealing element at the flange connection positions of valves, pumps, heat exchangers, towers, manholes, handholes and the like, and is widely applied to petrochemical, mechanical, electric power, metallurgy, shipbuilding, medicine, atomic energy, aerospace and other departments. The gasket can be used under the conditions of high temperature resistance, high pressure resistance and adaptation to ultralow temperature or vacuum, the chemical corrosion problem of various media to the gasket can be solved by changing the material combination of the gasket, the structural density of the gasket can be manufactured according to different locking force requirements, for reinforcing a main body and accurately positioning, the wound gasket is provided with an inner metal reinforcing ring and an outer positioning ring, the maximum compression degree of the gasket is controlled by utilizing the inner steel ring and the outer steel ring, and the requirement on the surface precision of a flange sealing surface contacted with the gasket is not high.

The sealing performance of the current metal winding gasket is to be improved, and when the gasket is used, the inner diameter of the gasket is larger than the outer diameter of the installed position, so that the gasket can be conveniently sleeved, but the gasket is poor in overall stability when the inner diameter of the gasket is large, easy to damage and short in service life, so that the gasket can be frequently replaced, time and labor are wasted, and the efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a flexible graphite metal gasket possesses the stability that can guarantee in the gasket use, and can make the gasket with by advantages such as mounted position laminating, a metal winding gasket sealing performance remains to improve among the solution prior art, when using, the gasket internal diameter all can be greater than by mounted position's external diameter, thereby can be convenient for carry out the cover of gasket and establish, but the gasket internal diameter is poor when great overall stability, easy damage, the problem that life is short, the gasket will often be changed like this, waste time and energy, the problem of efficiency is influenced.

(II) technical scheme

The utility model provides a following technical scheme: the utility model provides a flexible graphite metal gasket, includes inner ring and outer loop, the beaded finish has between this outer loop and the inner ring, this beaded finish is fixed in between this outer loop and the inner ring, the outside of this outer loop has the fixed block, the outside of this fixed block has the non slipping spur, this non slipping spur is fixed in this fixed block inboard, and this non slipping spur and this outer loop fixed connection, the inboard of this inner ring has flexible pad, this flexible pad is fixed in the inboard of this inner ring, and the outside of this flexible pad has the recess, the surface of this inner ring is seted up to this recess.

Through the utility model provides a flexible graphite metal gasket can be used for between two installed parts, and for ordinary flexible graphite metal gasket, the utility model provides a flexible graphite metal gasket possesses the stability that can guarantee in the gasket use, and can make the gasket and by advantages such as mounted position laminating for solve among the prior art metal winding gasket sealing performance and remain to improve, when using, the gasket internal diameter all can be greater than by mounted position's external diameter, thereby can be convenient for carry on the cover of gasket and establish, but overall stability is poor when the gasket internal diameter is great, damage easily, the problem that life is short, like this will often change the gasket, waste time and energy, the problem of efficiency is influenced.

Through setting up the flexbile cushion that can be convenient for protect the surface of gasket, can utilize the extrusion to extrude the shape of flexbile cushion at the in-process that uses to can be convenient for cushion the gasket, avoid the gasket directly to screw up and can lead to the condition that wearing and tearing appear in gasket and mounted position, and then can protect by mounted position, avoid wearing and tearing.

In a possible embodiment, the inner side of the inner ring has a top block, the outer side of the top block has an adjusting plate, the adjusting plate is fixed on the outer surface of the inner ring, the adjusting plate is fixed on the inner side of the top block, the inner side of the top block has a limiting block, and the limiting block is movably disposed on the inner side of the inner ring.

In a possible implementation mode, the outside of the limiting block is provided with a clamping groove, the clamping groove is arranged on the inner side of the inner ring, the limiting block is inserted into the clamping groove, and the outside of the limiting block is provided with a rubber block.

In a possible implementation manner, the rubber block is fixed on the outer surface of the limiting block, the top block is in contact with the limiting block, the limiting block can move relative to the inner ring, and the adjusting plate can deform after being extruded.

The jacking block capable of centering the gasket in the center position can be arranged, the inner diameter of the gasket can be reduced after the gasket is subjected to stress extrusion, so that the gasket can be in stable contact with the installed position, the phenomenon that the inner diameter of the gasket is too large in the using process and shakes can be avoided, the stability of the gasket can be guaranteed, and the further position stability of the gasket can be guaranteed.

In a possible embodiment, the thickness of the outer ring is 1-2mm and the thickness of the fixing block is 0.5-1mm.

In a possible embodiment, the thickness of the inner ring is 2-3mm.

In one possible embodiment, the thickness of the stop block is the same as the thickness of the inner ring.

Compared with the prior art, the utility model provides a flexible graphite metal gasket possesses following beneficial effect:

1. the utility model discloses a flexible pad that the setting can be convenient for protect the surface of gasket can utilize the extrusion to extrude the shape of flexible pad at the in-process that uses to can be convenient for cushion the gasket, avoid the gasket directly to screw up and can lead to the condition that wearing and tearing appear in gasket and mounted position, and then can protect by mounted position, avoid wearing and tearing.

2. The utility model discloses a setting can put the kicking block that carries out the centering to gasket central point, can be after the extrusion of gasket atress, dwindles the internal diameter of gasket to can be for by the stable contact of mounted position, and then can avoid the gasket to rock at the too big appearance of in-process internal diameter that uses, and can guarantee the stability of gasket, the further position stability that can guarantee the gasket.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.

Drawings

Fig. 1 is a schematic view of an overall structure of a flexible graphite metal gasket provided in the present invention;

fig. 2 is a schematic view of an inner ring structure of a flexible graphite metal gasket provided in the present invention;

fig. 3 is a partial cross-sectional view of a flexible graphite metal gasket in accordance with the present invention;

fig. 4 is a schematic diagram of a position structure of a rubber block of the flexible graphite metal gasket provided by the present invention.

Wherein: 1 inner ring, 2 outer rings, 3 flexible pads, 4 non-slip blocks, 5 fixed blocks, 6 reinforcing rings, 7 top blocks, 8 adjusting plates, 9 limiting blocks, 10 clamping grooves and 11 rubber blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

As shown in fig. 1-4, the utility model provides a flexible graphite metal gasket, including inner ring 1 and outer loop 2, there is the beaded finish 6 between this outer loop 2 and the inner ring 1, this beaded finish 6 is fixed in between this outer loop 2 and the inner ring 1, the outside of this outer loop 2 has fixed block 5, the outside of this fixed block 5 has non slipping spur 4, this non slipping spur 4 is fixed in this fixed block 5 inboardly, and this non slipping

spur

4 and 2 fixed connection of this outer loop, the inboard of this inner ring 1 has flexible pad 3, this flexible pad 3 is fixed in this inner ring 1's inboard, and this flexible pad 3's the outside has the recess, this recess is seted up in this inner ring 1's surface.

Through setting up the flexile mat 3 that can be convenient for protect the surface of gasket, can utilize the extrusion to extrude the shape of flexile mat 3 at the in-process that uses to can be convenient for cushion the gasket, avoid the gasket directly to screw up the condition that can lead to gasket and mounted position wearing and tearing to appear, and then can protect by the mounted position, avoid wearing and tearing.

In a possible embodiment, the inner side of the inner ring 1 has a top block 7, the outer side of the top block 7 has an adjusting plate 8, the adjusting plate 8 is fixed on the outer surface of the inner ring 1, the adjusting plate 8 is fixed on the inner side of the top block 7, the inner side of the top block 7 has a stopper 9, and the stopper 9 is movably disposed on the inner side of the inner ring 1.

In a possible implementation manner, a clamping groove 10 is formed in the outer side of the limiting block 9, the clamping groove 10 is formed in the inner side of the inner ring 1, the limiting block 9 is inserted into the clamping groove 10, and a rubber block 11 is formed in the outer side of the limiting block 9.

In a possible embodiment, the rubber block 11 is fixed on the outer surface of the limit block 9, the top block 7 is in contact with the limit block 9, the limit block 9 can move relative to the inner ring 1, and the adjusting plate 8 can deform after being squeezed.

Through setting up the kicking block 7 that can carry out the centering to gasket central point, can be after the gasket atress extrusion, reduce the internal diameter of gasket to can be for by the stable contact of mounted position, and then can avoid the gasket too big appearance of internal diameter in the in-process that uses to rock, and can guarantee the stability of gasket, further can guarantee the stable position of gasket.

In a possible embodiment, the thickness of the outer ring 2 is 1-2mm and the thickness of the fixing block 5 is 0.5-1mm.

In a possible embodiment, the thickness of the inner ring 1 is 2-3mm.

In one possible embodiment, the thickness of the stop 9 is the same as the thickness of the inner ring 1.

Furthermore the utility model also provides a flexible graphite metal gasket's application method, when using, put the gasket in the bolt outside, at first flexible pad 3 can receive the extrusion after warp, later compression regulating plate 8, regulating plate 8 pressurized deformation makes kicking block 7 promote stopper 9 and remove to with bolt in close contact with, avoid the gasket centering skew, later fixed block 5 and the regulating plate 8 outside form in close contact with.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Claims

1. The utility model provides a flexible graphite metal gasket, characterized in that, including inner ring (1) and outer loop (2), have beaded finish (6) between this outer loop (2) and inner ring (1), this beaded finish (6) are fixed in between this outer loop (2) and inner ring (1), the outside of this outer loop (2) has fixed block (5), the outside of this fixed block (5) has non slipping spur (4), this non slipping spur (4) are fixed in this fixed block (5) inboard, and this non slipping spur (4) and this outer loop (2) fixed connection, the inboard of this inner ring (1) has flexible pad (3), this flexible pad (3) are fixed in the inboard of this inner ring (1), and the outside of this flexible pad (3) has the recess, this recess is seted up in the surface of this inner ring (1).

2. The flexible graphite metal gasket as claimed in claim 1, wherein the inner side of the inner ring (1) is provided with a top block (7), the outer side of the top block (7) is provided with an adjusting plate (8), the adjusting plate (8) is fixed on the outer surface of the inner ring (1), the adjusting plate (8) is fixed on the inner side of the top block (7), the inner side of the top block (7) is provided with a limit block (9), and the limit block (9) is movably arranged on the inner side of the inner ring (1).

3. The flexible graphite metal gasket as claimed in claim 2, wherein the outside of the stopper (9) is provided with a slot (10), the slot (10) is opened on the inside of the inner ring (1), the stopper (9) is inserted into the slot (10), and the outside of the stopper (9) is provided with a rubber block (11).

4. The flexible graphite metal gasket as claimed in claim 3, wherein the rubber block (11) is fixed on the outer surface of the stopper (9), the top block (7) is in contact with the stopper (9), the stopper (9) can move relative to the inner ring (1), and the adjusting plate (8) is deformed after being squeezed.

5. A flexible graphite metal gasket according to claim 3, characterized in that the thickness of the outer ring (2) is 1-2mm and the thickness of the fixing block (5) is 0.5-1mm.

6. A flexible graphite metal gasket according to claim 3, characterized in that the thickness of the inner ring (1) is 2-3mm.

7. A flexible graphite metal gasket according to claim 3, characterized in that the thickness of the stopper (9) is the same as the thickness of the inner ring (1).