CN216267956U

CN216267956U - Sealing gasket formed by coating metal sheet with non-metal material

Info

Publication number: CN216267956U
Application number: CN202122900715.0U
Authority: CN
Inventors: 安娜; 杜金丽; 马骥; 吴玮; 王婷
Original assignee: Xian Aeronautical Polytechnic Institute
Current assignee: Xian Aeronautical Polytechnic Institute
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-04-12
Anticipated expiration: 2031-11-24

Abstract

The utility model relates to the technical field of sealing gaskets and discloses a sealing gasket made of a metal sheet coated with a non-metal material, which comprises the metal sheet, wherein the top and the bottom of the metal sheet are fixedly connected with a group of graphite layers, the top of the graphite layer positioned above the metal sheet is fixedly connected with a first rubber layer, the bottom of the other group of graphite layer is fixedly connected with a second rubber layer, and the top of the metal sheet is provided with two groups of arc-shaped convex ribs formed by punching. This metal sheet coating non-metallic material's sealed pad covers graphite layer, first rubber layer and the second rubber layer in the metal sheet outside through setting up for deformation takes place for first rubber layer and second rubber layer when receiving external force, thereby cushions the impact that receives the metal sheet, and graphite layer and the surface of metal sheet closely laminate, with the leakproofness of reinforcing means, thereby improve the compressive capacity of metal sheet, with the life of extension fixture.

Description

Sealing gasket formed by coating metal sheet with non-metal material

Technical Field

The utility model relates to the technical field of sealing gaskets, in particular to a sealing gasket formed by coating a metal sheet with a non-metal material.

Background

Gaskets are generally used in the form of gaskets for sealing mechanical parts such as joints, interfaces or flanges of engines, various chemical pipelines, pumps and valves, and they are required to have mechanical, physical and chemical properties suitable for the mechanical parts in different working environments and occasions, for example, the mechanical parts need to work in oil, acid, high temperature, high pressure and/or low temperature, and the gaskets should be suitable for the working environments and can maintain good mechanical properties and safe and reliable sealing characteristics during use.

In the prior art, the sealing gasket applied to the metal sheet has the service life reduced due to the relationship between the density and the strength of the press-coating material, so that the sealing gasket needs to be frequently replaced, the normal use is influenced, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a sealing gasket formed by coating a non-metal material on a metal sheet, which solves the problems that the service life of the sealing gasket is shortened due to the relation between the density and the strength of a press-coating material, so that the sealing gasket needs to be frequently replaced, the normal use is influenced, and the production cost is increased.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a sealing gasket made of a metal sheet coated with a non-metallic material comprises a metal sheet, wherein the top and the bottom of the metal sheet are fixedly connected with a group of graphite layers, the top of the graphite layer positioned above the metal sheet is fixedly connected with a first rubber layer, the bottom of the other group of graphite layers is fixedly connected with a second rubber layer, the top of the metal sheet is provided with two groups of arc-shaped convex ribs formed by punching, the bottom of the metal sheet is provided with two groups of rib recesses corresponding to the arc-shaped convex ribs, the graphite layer, the first rubber layer and the second rubber layer are also provided with the arc-shaped convex ribs and the rib recesses, the inner side of the rib recesses is provided with three groups of butyl rubber blocks, the upper surface of each butyl rubber block is contacted with the inner wall of the rib recesses, the bottoms of the second rubber layer and the butyl rubber block and the top of the first rubber layer are both provided with anti-slip patterns, and the bottom of the second rubber layer is provided with two groups of mounting grooves, two sets of mounting panels of inner wall fixedly connected with of mounting groove, two sets of fixed orificess have been seted up at the top of mounting panel, the spacing post of inner wall fixedly connected with of fixed orifices, the spacing hole that diameter and spacing post diameter equal is all seted up at the top on sheet metal, graphite layer and second rubber layer, and is two sets of the equal fixedly connected with three groups of connecting plates that are used for connecting mounting panel and butyl rubber piece in opposite side of mounting panel, the spread groove that size and connecting plate equal is seted up to the bottom on second rubber layer.

Preferably, the height of the inner wall of the rib recess is smaller than that of the metal sheet, and the bottom of the butyl rubber block and the bottom of the second rubber layer are positioned on the same horizontal plane.

Preferably, the anti-skid lines on the butyl rubber block, the second rubber layer and the first rubber layer are all # -shaped anti-skid lines.

Preferably, the distance between the opposite sides of two adjacent groups of connecting plates is greater than the length of the butyl rubber block.

Preferably, the first rubber layer and the second rubber layer both adopt fluororubber plates with the length equal to that of the metal thin plate.

Preferably, the height of the limiting column is equal to the distance from the bottom of the first rubber layer to the bottom of the second rubber layer.

(III) advantageous effects

Compared with the prior art, the utility model provides a sealing gasket formed by coating a metal sheet with a non-metal material, which has the following beneficial effects:

1. this metal sheet coating non-metallic material's sealed pad covers graphite layer, first rubber layer and the second rubber layer in the metal sheet outside through setting up for deformation takes place for first rubber layer and second rubber layer when receiving external force, thereby cushions the impact that receives the metal sheet, and graphite layer and the surface of metal sheet closely laminate, with the leakproofness of reinforcing means, thereby improve the compressive capacity of metal sheet, with the life of extension fixture.

2. This metal sheet coating non-metallic material's sealed pad through setting up the rib concave with the butyl rubber piece for the lifting surface area of metal sheet increases, and extrudees the butyl rubber piece during the concave atress of rib, so that the butyl rubber piece takes place elastic deformation, thereby further cushions the impact that the metal sheet received, so that be connected between metal sheet and the graphite layer remain stable, reducing device's use wearing and tearing have improved the stability of metal sheet structure.

3. This metal sheet coating non-metallic material's sealed pad, through setting up mounting panel and spacing post, the inner wall that makes the mounting panel get into spacing post and spacing hole when the mounting groove supports, thereby restriction graphite layer and second rubber layer and the relative position between the metal sheet, with the compactness of connecting between each parts in the improvement device, and set up connecting plate connection butyl rubber piece and mounting panel, so that the top on butyl rubber piece keeps in contact with the inner wall on second rubber layer, thereby be convenient for the butyl rubber piece to provide the shock attenuation effect for the metal sheet.

Drawings

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

FIG. 2 is a schematic view of the structure of a butyl rubber block according to the present invention;

FIG. 3 is an exploded view of the present invention.

In the figure: 1. a metal thin plate; 2. a graphite layer; 3. a first rubber layer; 4. a second rubber layer; 5. rib concave; 6. mounting a plate; 7. a limiting column; 8. a limiting hole; 9. a butyl rubber block; 10. a connecting plate.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a sealing gasket of a metal sheet coated with a non-metallic material comprises a metal sheet 1, wherein the top and the bottom of the metal sheet 1 are fixedly connected with a group of graphite layers 2, the top of the graphite layer 2 positioned above the metal sheet 1 is fixedly connected with a first rubber layer 3, the bottom of the other group of graphite layers 2 is fixedly connected with a second rubber layer 4, the top of the metal sheet 1 is provided with two groups of arc-shaped convex ribs formed by punching, the bottom of the metal sheet 1 is provided with two groups of rib recesses 5 corresponding to the arc-shaped convex ribs, the graphite layer 2, the first rubber layer 3 and the second rubber layer 4 are also provided with the arc-shaped convex ribs and the rib recesses 5, the inner side of the rib recesses 5 positioned at the bottom of the second rubber layer 4 is provided with three groups of butyl rubber blocks 9, the upper surface of each butyl rubber block 9 is in contact with the inner wall of the rib recesses 5, the bottoms of the second rubber blocks 4 and the butyl rubber blocks 9 and the top of the first rubber layer 3 are provided with anti-slip lines, two sets of mounting grooves have been seted up to the bottom on second rubber layer 4, two sets of mounting panels 6 of inner wall fixedly connected with of mounting groove, two sets of fixed orificess have been seted up at the top of mounting panel 6, the spacing post 7 of inner wall fixedly connected with of fixed orifices, sheet metal 1, spacing hole 8 that the diameter equals with spacing post 7 diameter is all seted up at the top on graphite layer 2 and second rubber layer 4, the equal three groups of connecting plate 10 that are used for connecting mounting panel 6 and butyl rubber piece 9 of the equal fixedly connected with in opposite side of two sets of mounting panels 6, the spread groove that size and connecting plate 10 are equal is seted up to the bottom on second rubber layer 4.

Specifically, in order to facilitate the function of improving the pressure resistance of the metal sheet 1 by the rib recesses 5, the height of the inner wall of the rib recess 5 is smaller than that of the metal sheet 1, so that the metal sheet 1 is prevented from being broken when the metal sheet 1 is stressed due to the overlarge angle at the corner of the rib recess 5, and the bottom of the butyl rubber block 9 and the bottom of the second rubber layer 4 are positioned on the same horizontal plane, so that the bottom of the device is kept flat and the metal sheet 1 is kept horizontal.

Specifically, in order to improve the stability of the device, the anti-slip patterns on the butyl rubber block 9, the second rubber layer 4 and the first rubber layer 3 are # -shaped anti-slip patterns, and the friction coefficient of the # -shaped anti-slip patterns is larger, so that the anti-slip effect of the anti-slip patterns provided for the device is improved.

Specifically, in order to provide a damping effect for the metal sheet 1 by the butyl rubber blocks 9, the distance between the opposite sides of the two adjacent groups of connecting plates 10 is greater than the length of the butyl rubber blocks 9, so that a gap is left between the two groups of butyl rubber blocks 9 which ring, and the butyl rubber blocks 9 deform.

Specifically, in order to improve the protection effect of the device on the metal thin plate 1, the first rubber layer 3 and the second rubber layer 4 are made of fluororubber plates with the length equal to that of the metal thin plate 1, and the fluororubber plates have high heat resistance so as to facilitate the use of the metal thin plate 1 in a high-temperature environment.

Specifically, in order to facilitate the limiting of the position of the graphite layer 2 by the limiting column 7, the height of the limiting column 7 is equal to the distance from the bottom of the first rubber layer 3 to the bottom of the second rubber layer 4, so that when the top of the mounting plate 6 abuts against the inner wall of the top of the mounting groove, the top of the limiting column 7 is in contact with the bottom of the first rubber layer 3, and the limiting column 7 is ensured to penetrate through the graphite layer 2 and the limiting hole 8 in the metal sheet 1.

The working principle is as follows: after sheet metal 1 production is accomplished, process out the rib concave 5 with the mode of punching press on sheet metal 1, respectively coat a set of graphite layer 2 in sheet metal 1's top and bottom, and bond first rubber layer 3 and second rubber layer 4 respectively at the offside side of two sets of graphite layers 2, then push into the mounting groove with two sets of mounting panel 6 respectively from the below, spacing post 7 and mounting panel 6 synchronous motion and get into spacing hole 8 in, mounting panel 6 drives butyl rubber block 9 through connecting plate 10 and gets into in the rib concave 5 of second rubber layer 4 bottom simultaneously, so that butyl rubber block 9 provides the cushioning effect for rib concave 5, after the top of spacing post 7 supported first rubber layer 3's bottom, with mounting panel 6 fixed mounting in the mounting groove, in order to accomplish the processing to sheet metal 1.

In summary, the gasket of the metal sheet coated with the non-metallic material is provided with the graphite layer 2, the first rubber layer 3 and the second rubber layer 4 covering the outer side of the metal sheet 1, so that the first rubber layer 3 and the second rubber layer 4 deform when being subjected to an external force, and the impact on the metal sheet 1 is buffered, and the graphite layer 2 is tightly attached to the outer surface of the metal sheet 1, so as to enhance the sealing performance of the device, and improve the pressure resistance of the metal sheet 1, so as to prolong the service life of the device, by providing the rib recesses 5 and the butyl rubber block 9, the stressed area of the metal sheet 1 is increased, and the rib recesses 5 press the butyl rubber block 9 when being stressed, so as to cause the butyl rubber block 9 to elastically deform, and further buffer the impact on the metal sheet 1, so that the connection between the metal sheet 1 and the graphite layer 2 is kept stable, reduce the use wearing and tearing of device, the stability of sheet metal 1 structure has been improved, through setting up mounting panel 6 and spacing post 7, make mounting panel 6 get into when the mounting groove spacing post 7 support with spacing hole 8's inner wall, thereby the relative position between restriction graphite layer 2 and second rubber layer 4 and sheet metal 1, with the compactness of connecting between each part in the improvement device, and set up connecting plate 10 and connect butyl rubber piece 9 and mounting panel 6, so that the top of butyl rubber piece 9 keeps in contact with the inner wall on second rubber layer 4, thereby be convenient for butyl rubber piece 9 provides the shock attenuation effect for sheet metal 1.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a metal sheet coating non-metallic material's sealed pad, includes metal sheet (1), the equal fixedly connected with in top and the bottom of metal sheet (1) a set of graphite layer (2), is located the first rubber layer of top fixedly connected with (3) of metal sheet (1) top graphite layer (2), the bottom fixedly connected with second rubber layer (4) of another set of graphite layer (2), its characterized in that: the anti-skid rubber sheet is characterized in that two groups of arc-shaped convex ribs formed by punching are arranged at the top of the metal sheet (1), two groups of rib recesses (5) corresponding to the arc-shaped convex ribs are arranged at the bottom of the metal sheet (1), the graphite layer (2), the first rubber layer (3) and the second rubber layer (4) are also provided with the arc-shaped convex ribs and the rib recesses (5), three groups of butyl rubber blocks (9) are arranged on the inner sides of the rib recesses (5), the upper surface of each butyl rubber block (9) is in contact with the inner wall of each rib recess (5), anti-skid grains are arranged at the bottoms of the second rubber layer (4) and the butyl rubber blocks (9) and at the top of the first rubber layer (3), two groups of mounting grooves are formed at the bottom of the second rubber layer (4), two groups of mounting plates (6) are fixedly connected to the inner walls of the mounting grooves, and two groups of fixing holes are formed at the tops of the mounting plates (6), the inner wall fixedly connected with of fixed orifices is spacing post (7), spacing hole (8) that diameter and spacing post (7) diameter equal are all seted up at the top on sheet metal (1), graphite layer (2) and second rubber layer (4), and are two sets of the equal fixedly connected with three groups in opposite side of mounting panel (6) are used for connecting plate (10) of mounting panel (6) and butyl rubber piece (9), the spread groove that the size equals with connecting plate (10) is seted up to the bottom on second rubber layer (4).

2. A sheet metal coated non-metallic gasket as defined in claim 1, wherein: the height of the inner wall of the rib recess (5) is smaller than that of the metal sheet (1), and the bottom of the butyl rubber block (9) and the bottom of the second rubber layer (4) are positioned on the same horizontal plane.

3. A sheet metal coated non-metallic gasket as defined in claim 1, wherein: and the anti-skid lines on the butyl rubber block (9), the second rubber layer (4) and the first rubber layer (3) are all # -shaped anti-skid lines.

4. A sheet metal coated non-metallic gasket as defined in claim 1, wherein: the distance between the opposite sides of the two adjacent groups of connecting plates (10) is larger than the length of the butyl rubber block (9).

5. A sheet metal coated non-metallic gasket as defined in claim 1, wherein: the first rubber layer (3) and the second rubber layer (4) are both made of fluororubber plates with the length equal to that of the metal thin plate (1).

6. A sheet metal coated non-metallic gasket as defined in claim 1, wherein: the height of the limiting column (7) is equal to the distance from the bottom of the first rubber layer (3) to the bottom of the second rubber layer (4).