CN212986018U - Flexible graphite product - Google Patents
Flexible graphite product Download PDFInfo
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- CN212986018U CN212986018U CN202020866680.6U CN202020866680U CN212986018U CN 212986018 U CN212986018 U CN 212986018U CN 202020866680 U CN202020866680 U CN 202020866680U CN 212986018 U CN212986018 U CN 212986018U
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- Prior art keywords
- graphite
- ring
- layer
- metal
- graphite layer
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 133
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 133
- 239000010439 graphite Substances 0.000 title claims abstract description 133
- 229910052751 metal Inorganic materials 0.000 claims abstract description 84
- 239000002184 metal Substances 0.000 claims abstract description 84
- 238000005253 cladding Methods 0.000 claims abstract description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 7
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000007770 graphite material Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010030 laminating Methods 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 4
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 238000012946 outsourcing Methods 0.000 description 3
- -1 polytetrafluoroethylene Polymers 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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Abstract
The utility model relates to a graphite product technical field, in particular to flexible graphite product, including graphite gasket body, graphite gasket body is including metal inner ring, first graphite layer, wire stratum reticulare, second graphite layer, metal outer shroud ring and third graphite layer, the metal outer shroud ring is including inboard ring, outside ring and top shroud ring, metal inner ring, first graphite layer, wire stratum reticulare, second graphite layer, metal outer shroud ring and third graphite layer from interior to exterior set up according to the cladding in proper order, graphite gasket body center department is provided with the mesopore, this external edge department of graphite gasket is provided with the bevel edge. The utility model relates to a novelty, it is rational in infrastructure, metal and graphite combine together, make the oblique angle through mould stretch forming technology, make graphite products be fit for flange assembly angle and dimensional requirement, laminating flange face, the flexible graphite products of this kind of structure have good flange roughness compensation performance, and the suitability is strong.
Description
Technical Field
The utility model relates to a graphite product technical field, in particular to flexible graphite product.
Background
Along with the rapid development of the automobile industry, the emission requirement of automobiles is higher and higher, when an engineer designs an automobile structure, the light weight is a factor which must be considered, a flange at the connecting part of an exhaust system is one of the contents, a plane thick flange which is simple to process and heavier in weight is changed into a bent flange which is complex in process and light in weight, the bent flange needs to be reinforced by a certain oblique angle in order to be suitable for clamp fastening and achieve better mechanical strength with the thick flange, a sealing gasket of a conventional structure is generally of a plane structure and is difficult to adapt to flange structures with various angles, and the roughness compensation capability of the surface of the flange is weaker, so a flexible graphite product is developed, the flexible graphite has good compression deformation performance and high temperature resistance, and is processed into a sealing gasket which is attached to the oblique surface of the flange by a special process technology, the sealing requirement of the exhaust system under the complex working condition can be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect with not enough, provide one kind have fine sealing performance and high temperature resistance can and convenient and the flange inclined plane flexible graphite goods of laminating mutually.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
A flexible graphite goods, including graphite gasket body, graphite gasket body is including metal inner ring, first graphite layer, wire stratum reticulare, second graphite layer, metal outsourcing ring and third graphite layer, the metal outsourcing ring is including inboard ring, outside ring and top encirclement ring, metal inner ring, first graphite layer, wire stratum reticulare, second graphite layer, metal outsourcing ring and third graphite layer from interior to exterior according to the cladding setting in proper order, graphite gasket body center department is provided with the mesopore, this external edge department of graphite gasket is provided with the bevel edge.
Furthermore, the left side wall and the right side wall of the inner metal ring are respectively concave and convex surfaces, through holes are formed in the concave and convex surfaces on the left side wall and the right side wall of the inner metal ring, the through holes are respectively distributed on the concave bottom and the convex part, when the surfaces of the through holes are respectively located at the concave bottom, the bottom surfaces of the through holes are respectively located at the convex part, when the bottom surfaces of the through holes are respectively located at the concave bottom, the surfaces of the through holes are respectively located at the convex part, the inner metal ring is made of high-temperature and high-pressure resistant stainless steel plates or alloy steel plates or titanium alloy plates, and the thickness of the inner metal ring is not less than 0.5.
Furthermore, the metal wires on the metal wire mesh layer are nickel wires, stainless steel wires or copper wires, the number of the metal wires is at least two, and the diameter of each metal wire is 0.05 mm-0.15 mm.
Further, the first graphite layer, the second graphite layer and the third graphite layer are made of flexible pure graphite materials, and the thicknesses of the first graphite layer, the second graphite layer and the third graphite layer are 0.3-0.8 mm.
Furthermore, bonding layers are arranged between the metal inner ring and the first graphite layer, between the first graphite layer and the metal wire mesh layer, between the metal wire mesh layer and the second graphite layer, between the second graphite layer and the metal outer wrapping ring and between the metal outer wrapping ring and the third graphite layer, and the metal inner ring and the first graphite layer, the first graphite layer and the metal wire mesh layer, the metal wire mesh layer and the second graphite layer, the second graphite layer and the metal outer wrapping ring, and the metal outer wrapping ring and the third graphite layer are bonded through the bonding layers and then are pressed into a mold.
Furthermore, the outer side ring wraps the inner side ring, a clamping stage matched with the inner side ring is arranged at the position, corresponding to the inner side ring, of the inner side wall of the outer side ring, a clamping groove matched with the top wrapping ring is formed in the outer side ring, and the top wrapping ring and the clamping groove are clamped and sealed and fixed.
Further, the graphite gasket body can be any one of a circle, an ellipse, a square or a polygon, and is provided with a central hole matched with the shaft and an oblique angle edge matched with the flange.
Further, the outer side of the third graphite layer is also provided with a reinforcing layer, the outer side of the reinforcing layer is also provided with a molybdenum disulfide coating, and the reinforcing layer is made of at least one of polytetrafluoroethylene, ceramic fiber or carbon fiber.
The utility model discloses beneficial effect does: the utility model relates to a novelty, rational in infrastructure, the device is the composite graphite material that the centre supported with the metal reinforcing, metal and graphite combine together, make the oblique angle through the mould stretch forming technology, make graphite products suit flange assembly angle and dimensional requirement, laminate flange face, the flexible graphite products of this kind of structure have good flange roughness compensation performance, the suitability is strong, can satisfy the low leakage requirement of lightweight thin flange under the high temperature condition, wherein, the metal inner ring chooses the stainless steel board or alloy steel board or titanium alloy board of high temperature resistant high pressure, the wire is preferred to be nickel silk, stainless steel wire or copper wire, it is more corrosion-resistant, increase of service life, still be equipped with the enhancement layer simultaneously, the enhancement layer is preferred to be made by at least one kind in polytetrafluoroethylene, ceramic fibre or carbon fiber, structural strength and life that can obviously improve, the high-temperature high-pressure dynamic sealing device is used for high-temperature high-pressure dynamic sealing parts, graphite stripping and transferring are avoided, and the molybdenum disulfide coating is arranged outside the enhancement layer, so that the high-temperature high-pressure dynamic sealing device is more wear-resistant, corrosion-resistant and better in lubricating property.
Drawings
FIG. 1 is a top view of a flexible graphite article of the present invention;
fig. 2 is a left side view of a flexible graphite article of the present invention;
fig. 3 is a schematic view of the internal structure of the graphite gasket body in the flexible graphite product of the present invention.
In FIGS. 1-3: 1. a graphite gasket body; 11. a metal inner ring; 12. a first graphite layer; 13. a wire mesh layer; 14. a second graphite layer; 15. a metal outer wrapping ring; 151. an inner ring; 152. an outer ring; 153. a top enveloping ring; 16. a third graphite layer; 2. a mesopore; 3. and (5) oblique angle edges.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 3, the utility model discloses a flexible graphite product, including graphite gasket body 1, graphite gasket body 1 is including metal inner ring 11, first graphite layer 12, wire mesh layer 13, second graphite layer 14, metal outer shroud ring 15 and third graphite layer 16, metal outer shroud ring 15 is including inside ring 151, outside ring 152 and top shroud ring 153, metal inner ring 11, first graphite layer 12, wire mesh layer 13, second graphite layer 14, metal outer shroud ring 15 and third graphite layer 16 from interior to exterior in proper order the cladding setting, graphite gasket body 1 center department is provided with mesopore 2, graphite gasket body 1 outer fringe department is provided with bevel edge 3.
Wherein, the left and right side walls of the metal inner ring 11 are respectively concave-convex surfaces, through holes are respectively arranged on the concave-convex surfaces on the left and right side walls of the metal inner ring 11, the through holes are respectively distributed on the concave bottom and the convex part of the concave-convex, when the surfaces of the through holes are respectively positioned at the concave bottom, the bottom surfaces of the through holes are respectively positioned at the convex part of the convex, when the bottom surfaces of the through holes are respectively positioned at the concave bottom, the surface of the through holes are respectively positioned at the convex part of the convex part, the metal inner ring 11 is made of high temperature and high pressure resistant stainless steel plates or alloy steel plates or titanium alloy plates, the thickness of the metal inner ring 11 is not less than 0.5mm, the metal silk threads on the metal silk screen layer 13 are nickel silk, stainless steel silk or copper silk, the number of the metal silk threads is at least two, the diameter of the metal silk threads is 0.05 mm-0.15 mm, the thickness of the first graphite layer 12, the second graphite layer 14 and the third graphite layer 16 is 0.3mm-0.8mm, bonding layers are respectively arranged between the inner metal ring 11 and the first graphite layer 12, between the first graphite layer 12 and the metal wire mesh layer 13, between the metal wire mesh layer 13 and the second graphite layer 14, between the second graphite layer 14 and the outer metal wrapping ring 15 and between the outer metal wrapping ring 15 and the third graphite layer 16, the inner metal ring 11 and the first graphite layer 12, the first graphite layer 12 and the metal wire mesh layer 13, the metal wire mesh layer 13 and the second graphite layer 14, the second graphite layer 14 and the outer metal wrapping ring 15, and the outer metal wrapping ring 15 and the third graphite layer 16 are bonded through the bonding layers and then are pressed and molded, the outer side ring 152 wraps the inner side ring 151 and is provided with clamping sections matched with the inner side ring 151 at positions corresponding to the inner side wall and the inner side ring 151, the outer side ring 152 is provided with clamping grooves matched with the top wrapping ring 153, the top packing ring 153 is clamped and sealed and fixed with the clamping groove, the graphite gasket body 1 can be any one of circular, oval, square or polygonal, the graphite gasket body 1 is provided with a shaft matched middle hole 2 and a flange matched bevel edge 3, the outer side of the third graphite layer 16 is also provided with a reinforcing layer, the outer side of the reinforcing layer is also provided with a molybdenum disulfide coating, and the reinforcing layer is made of at least one of polytetrafluoroethylene, ceramic fiber or carbon fiber.
The working principle is as follows: the method comprises the steps of sequentially coating a metal inner ring 11, a first graphite layer 12, a metal wire mesh layer 13, a second graphite layer 14, a metal outer wrapping ring 15 and a third graphite layer 16 from inside to outside, bonding the coated metal outer wrapping ring through bonding layers, then pressing the coated metal outer wrapping ring and the third graphite layer into a mold, arranging a reinforcing layer and a molybdenum disulfide coating on the outer side of the third graphite layer 16, finally making the outer edge of a graphite gasket body 1 into an oblique angle edge 3 through a mold stretching forming process, enabling a graphite product to meet the requirements of flange assembly angle and size, and then perfectly fitting and fixing the graphite product with a flange surface.
The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.
Claims (7)
1. A flexible graphite article comprising a graphite gasket body (1), characterized in that: graphite gasket body (1) is including metal inner ring (11), first graphite layer (12), wire mesh layer (13), second graphite layer (14), metal outer shroud ring (15) and third graphite layer (16), metal outer shroud ring (15) is including inside ring (151), outside ring (152) and top shroud ring (153), metal inner ring (11), first graphite layer (12), wire mesh layer (13), second graphite layer (14), metal outer shroud ring (15) and third graphite layer (16) are from interior to exterior in proper order the cladding setting, graphite gasket body (1) center department is provided with mesopore (2), graphite gasket body (1) outer fringe department is provided with bevel edge (3).
2. A flexible graphite article according to claim 1, wherein: the left side wall and the right side wall of the metal inner ring (11) are respectively concave-convex surfaces, through holes are formed in the concave-convex surfaces on the left side wall and the right side wall of the metal inner ring (11), the through holes are distributed on the concave-convex concave bottom and the convex parts respectively, the bottom surfaces of the through holes are respectively located at the convex parts when the surfaces of the through holes are respectively located at the concave bottom, the surfaces of the through holes are respectively located at the convex parts when the bottom surfaces of the through holes are respectively located at the concave bottom, the metal inner ring (11) is made of high-temperature and high-pressure resistant stainless steel plates or alloy steel plates or titanium alloy plates, and the thickness of the metal inner ring (11) is not less than 0.
3. A flexible graphite article according to claim 1, wherein: the metal wires on the metal wire mesh layer (13) are nickel wires, stainless steel wires or copper wires, the number of the metal wires is at least two, and the diameter of each metal wire is 0.05-0.15 mm.
4. A flexible graphite article according to claim 1, wherein: the first graphite layer (12), the second graphite layer (14) and the third graphite layer (16) are made of flexible pure graphite materials, and the thicknesses of the first graphite layer (12), the second graphite layer (14) and the third graphite layer (16) are 0.3-0.8 mm.
5. A flexible graphite article according to claim 1, wherein: bonding layers are arranged between the metal inner ring (11) and the first graphite layer (12), between the first graphite layer (12) and the metal wire mesh layer (13), between the metal wire mesh layer (13) and the second graphite layer (14), between the second graphite layer (14) and the metal outer wrapping ring (15) and between the metal outer wrapping ring (15) and the third graphite layer (16), and the metal inner ring (11) and the first graphite layer (12), the first graphite layer (12) and the metal wire mesh layer (13), the metal wire mesh layer (13) and the second graphite layer (14), the second graphite layer (14) and the metal outer wrapping ring (15) and the third graphite layer (16) are bonded through the bonding layers and then are pressed into a mold.
6. A flexible graphite article according to claim 1, wherein: the outer side ring (152) wraps the inner side ring (151) and is provided with a clamping section matched with the inner side ring (151) at a position corresponding to the position of the inner side wall of the inner side ring (151), the outer side ring (152) is provided with a clamping groove matched with the top wrapping ring (153), and the top wrapping ring (153) is clamped with the clamping groove and is fixed in a sealing mode.
7. A flexible graphite article according to claim 1, wherein: the graphite gasket body (1) can be any one of a circle, an ellipse, a square or a polygon, and the graphite gasket body (1) is provided with a middle hole (2) matched with a shaft and an oblique angle edge (3) matched with a flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020866680.6U CN212986018U (en) | 2020-05-22 | 2020-05-22 | Flexible graphite product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020866680.6U CN212986018U (en) | 2020-05-22 | 2020-05-22 | Flexible graphite product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212986018U true CN212986018U (en) | 2021-04-16 |
Family
ID=75420905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020866680.6U Active CN212986018U (en) | 2020-05-22 | 2020-05-22 | Flexible graphite product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212986018U (en) |
-
2020
- 2020-05-22 CN CN202020866680.6U patent/CN212986018U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230925 Address after: No. 1500 Chaosheng Road, Cixi Binhai Economic Development Zone, Ningbo City, Zhejiang Province, 315000 Patentee after: Xinxinglong Sealing Technology (Ningbo) Co.,Ltd. Address before: 315000 66 Dongsheng Street, Jiangbei District, Ningbo City, Zhejiang Province Patentee before: NINGBO SIL GASKET Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240408 Address after: 315000 66 Dongsheng Street, Jiangbei District, Ningbo City, Zhejiang Province Patentee after: NINGBO SIL GASKET Co.,Ltd. Country or region after: China Address before: No. 1500 Chaosheng Road, Cixi Binhai Economic Development Zone, Ningbo City, Zhejiang Province, 315000 Patentee before: Xinxinglong Sealing Technology (Ningbo) Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |