CN212178172U - Special-shaped metal cladding pad - Google Patents
Special-shaped metal cladding pad Download PDFInfo
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- CN212178172U CN212178172U CN202020687320.XU CN202020687320U CN212178172U CN 212178172 U CN212178172 U CN 212178172U CN 202020687320 U CN202020687320 U CN 202020687320U CN 212178172 U CN212178172 U CN 212178172U
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- flexible graphite
- graphite pad
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- pad
- metal
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Abstract
The utility model discloses a dysmorphism metal cladding pad, including the flexible graphite pad, the surface cladding of flexible graphite pad has the metal coating, the flexible graphite pad is provided with, two-layer down, the standing groove has all been seted up on the two-layer flexible graphite pad, be equipped with the intermediate lamella in the standing groove, be provided with the mounting on the intermediate lamella perpendicularly, the fixed orifices has been seted up to one of flexible graphite pad, be equipped with the draw-in groove of symmetry in the fixed orifices, be equipped with the fixed block on the other end of flexible graphite pad, it is protruding to be equipped with the card corresponding with the draw-in groove on the both sides wall of fixed block, it is fixed to go up. The utility model provides the high anti extrusion sliding deformation's of flexible graphite pad intensity to through protruding and the draw-in groove with two-layer flexible graphite pad about with firmly fixed together, avoid two-layer flexible graphite pad to slide in the metal coating layer, strengthen the cohesion between the two-layer flexible graphite pad, increase the mechanical strength that whole heterotypic metal coating filled up simultaneously.
Description
Technical Field
The utility model relates to a metal covering fills up, especially relates to a dysmorphism metal covering fills up.
Background
The combined connecting structure of flange, gasket and bolt is a pipeline connecting mode which is most widely applied in the industries of machinery, petroleum, chemical engineering and the like. The connecting device is used as a basic element for connecting pipelines, occupies a very important position in modern industry, not only ensures the connection and sealing between the pipelines and equipment, but also facilitates the disassembly and assembly of the pipelines during construction, installation and maintenance. The sealing of the gasket is the core of flange connection, and in order to enhance the sealing performance of the gasket, a flexible graphite auxiliary gasket is usually additionally arranged between the gasket and a connecting piece, such as a winding gasket, a corrugated graphite composite gasket and a high-strength flexible graphite gasket for steel flange sealing commonly used in the current production. In addition, flexible graphite pads are also commonly used as auxiliary pads for valve cover sealing gaskets in various valves. Due to the specific physical properties of graphite, the graphite pad has the advantages of high temperature resistance, corrosion resistance, easiness in extrusion, sliding deformation and the like, and is widely applied to the sealing of pressure pipelines and equipment as an auxiliary graphite pad for sealing.
The auxiliary graphite pad used at present is formed by mixing and pressing graphite and a small amount of adhesive, the structure of the auxiliary graphite pad is looser, and the auxiliary graphite pad has the defect that a graphite layer is easy to wash and run off in the using process. Therefore, the outer surface of the graphite layer is coated with a metal sealing layer to protect the graphite layer from being affected by media, and the graphite layer is resistant to temperature and pressure, but the graphite layer is easy to extrude, slide and deform, so that the existing metal-coated cushion needs to be further improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dysmorphism metal cladding pad solves foretell problem.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a special-shaped metal-coated cushion, which comprises a flexible graphite cushion, wherein the outer surface of the flexible graphite cushion is coated with a metal coating layer, the flexible graphite cushion is provided with an upper layer and a lower layer which are both provided with a placing groove, the placing groove is internally provided with a middle plate, a fixing part is vertically arranged on the middle plate, the middle section of the fixing part is arranged in the middle plate, the middle section of the fixing part is provided with a transverse rod, the upper end and the lower end of the fixing part are both arrow-shaped and respectively penetrate through the middle plate and then are inserted into the upper layer and the lower layer of the flexible graphite cushion, one end of the flexible graphite cushion is provided with a fixing hole, symmetrical clamping grooves are arranged in the fixing hole, the other end of the flexible graphite cushion is provided with a fixing block, the two side walls of the fixing block are provided with clamping, the flexible graphite pads on the upper layer and the lower layer are fixed in a staggered mode.
Furthermore, a connecting rib is arranged between the metal coating layers and gradually concaved inwards from the outer periphery to the center.
Furthermore, the connecting ribs are in a straight shape or an X shape.
Furthermore, the connecting rib is hollow, and mica or polytetrafluoroethylene is filled in the connecting rib.
Furthermore, the metal coating layer is made of carbon steel, austenitic stainless steel, nickel alloy and titanium alloy, and the thickness of the metal coating layer is less than 0.4 mm.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model discloses a set up the intermediate lamella between two-layer flexible graphite pad, improve the anti extrusion sliding deformation's of flexible graphite pad intensity to protruding and the draw-in groove of the card that sets up through two-layer flexible graphite pad from top to bottom can be in the same place the fixing of two-layer flexible graphite pad from top to bottom firmly, avoid two-layer flexible graphite pad to slide in the metal coating, strengthen the cohesion between the two-layer flexible graphite pad, increase the mechanical strength of whole heterotypic metal coating pad simultaneously.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a schematic view of the structure of the special-shaped metal-clad pad of the present invention;
FIG. 2 is a partial cross-sectional view of a flexible graphite mat;
FIG. 3 is a schematic structural view of a flexible graphite mat;
FIG. 4 is a schematic view of a card slot structure;
description of reference numerals: 1. a flexible graphite pad; 2. a metal cladding layer; 3. a middle plate; 4. a fixing member; 5. A transverse bar; 6. a fixing hole; 7. a card slot; 8. a fixed block; 9. clamping convex; 10. connecting ribs; 11. and (6) placing the groove.
Detailed Description
As shown in fig. 1-4, the special-shaped metal-clad pad comprises a flexible graphite pad 1, wherein a metal cladding layer 2 is clad on the outer surface of the flexible graphite pad 1, the metal cladding layer 2 is made of carbon steel, austenitic stainless steel, nickel alloy and titanium alloy, and the thickness of the metal cladding layer 2 is less than 0.4 mm.
Flexible graphite pad 1 is provided with upper and lower two-layer, two-layer the standing groove 11 has all been seted up on the flexible graphite pad 1, be equipped with intermediate lamella 3 in the standing groove 11, the surface of standing groove 11 is the corrugated surface, the surface of intermediate lamella 3 also is the corrugated surface equally, through the corrugated surface on 11 surfaces of standing groove with the corrugated surface on 3 surfaces of intermediate lamella cooperatees, has increased the cohesion between flexible graphite pad 1 and the intermediate lamella 3.
Be provided with mounting 4 on the intermediate lamella 3 perpendicularly, the interlude of mounting 4 sets up in the intermediate lamella 3, be equipped with transverse bar 5 on the interlude of mounting 4, the upper and lower both ends of mounting 4 are arrow head form, and run through respectively inject upper and lower two-layer behind the mounting 4 in the flexible graphite pad 1, utilize mounting 4 is fixed two-layer from top to bottom flexible graphite pad 1, and insert in the flexible graphite pad 1 the head of mounting 4 is arrow head form, has the barb, has further increased flexible graphite pad 1's cohesion.
The flexible graphite pad is characterized in that one end of the flexible graphite pad 1 is provided with a fixing hole 6, symmetrical clamping grooves 7 are formed in the fixing hole 6, the other end of the flexible graphite pad 1 is provided with a fixing block 8, clamping protrusions 9 corresponding to the clamping grooves 7 are arranged on two side walls of the fixing block 8, and the flexible graphite pad 1 is fixed in a staggered mode in an upper layer and a lower layer.
Be equipped with splice bar 10 between the metal coating 2, splice bar 10 is a style of calligraphy or X type, splice bar 10 is cavity, should splice bar 10 intussuseption is filled with mica, or polytetrafluoroethylene, splice bar 10 is inwards sunken from periphery to central authorities gradually.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (5)
1. The utility model provides a dysmorphism metal cladding pad, is including flexible graphite pad (1), the surface cladding of flexible graphite pad (1) has metal coating (2), its characterized in that: the flexible graphite pad (1) is provided with an upper layer and a lower layer, the upper layer and the lower layer are arranged, two layers of the flexible graphite pad (1) are respectively provided with a placing groove (11), the placing groove (11) is internally provided with a middle plate (3), the middle plate (3) is vertically provided with a fixing part (4), the middle section of the fixing part (4) is arranged in the middle plate (3), the middle section of the fixing part (4) is provided with a transverse rod (5), the upper end and the lower end of the fixing part (4) are both arrow-head-shaped and respectively penetrate through the fixing part (4) and then are inserted into the upper layer and the lower layer of the flexible graphite pad (1), one end of the flexible graphite pad (1) is provided with a fixing hole (6), symmetrical clamping grooves (7) are arranged in the fixing hole (6), the other end of the flexible graphite pad (1) is provided with a fixing block (8), and clamping protrusions (9) corresponding to the clamping grooves (7) are, the flexible graphite pads (1) on the upper layer and the lower layer are fixed in a staggered mode.
2. The profiled metal-clad mat of claim 1, wherein: be equipped with between metal coating (2) splice bar (10), splice bar (10) are inwards sunken from periphery to central authorities gradually.
3. The profiled metal-clad mat of claim 2, wherein: the connecting rib (10) is in a straight shape or an X shape.
4. The profiled metal-clad mat of claim 3, wherein: the connecting rib (10) is hollow, and mica or polytetrafluoroethylene is filled in the connecting rib (10).
5. The profiled metal-clad mat of claim 1, wherein: the metal coating layer (2) is made of carbon steel, austenitic stainless steel, nickel alloy and titanium alloy, and the thickness of the metal coating layer (2) is less than 0.4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020687320.XU CN212178172U (en) | 2020-04-29 | 2020-04-29 | Special-shaped metal cladding pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020687320.XU CN212178172U (en) | 2020-04-29 | 2020-04-29 | Special-shaped metal cladding pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212178172U true CN212178172U (en) | 2020-12-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020687320.XU Active CN212178172U (en) | 2020-04-29 | 2020-04-29 | Special-shaped metal cladding pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212178172U (en) |
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2020
- 2020-04-29 CN CN202020687320.XU patent/CN212178172U/en active Active
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