CN112301870A - Modularization sealing washer - Google Patents
Modularization sealing washer Download PDFInfo
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- CN112301870A CN112301870A CN202011024430.9A CN202011024430A CN112301870A CN 112301870 A CN112301870 A CN 112301870A CN 202011024430 A CN202011024430 A CN 202011024430A CN 112301870 A CN112301870 A CN 112301870A
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- plane
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/041—Elastomeric bearings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/042—Mechanical bearings
- E01D19/047—Pot bearings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention provides a modularized sealing ring which comprises a plurality of sealing units (1), wherein the sealing units (1) are circumferentially connected into an annular structure, the sealing units (1) are elastic units, and a joint surface between the sealing units (1) is an arc surface or a step surface or a combination of the arc surface and the step surface. The design can be satisfied only according to the sealed unit quantity of the increase and decrease of rubber pad diameter size to the support of different tonnages, and sealed unit can carry out batch production, greatly reduced support's manufacturing cost.
Description
Technical Field
The invention relates to the field of bridge supports, in particular to a sealing ring.
Background
Bridges are generally composed of a superstructure, a substructure, a support and an attachment structure. The bridge bearing is an important component for connecting and restraining the upper and lower structures of the bridge and is an indispensable part for bearing the weight of the bridge. Bridge beam supports structure is various, and basin formula rubber support is the most common among them, has good shock attenuation effect. The inner sealing ring and the rubber pad in the basin-type rubber support are used as important components, and the selection of materials and structures influences the quality of the rubber support and further influences the service life of a bridge.
The existing basin-type rubber support sealing ring mainly adopts brass. The accumulated slippage caused by the relative vibration between the basin wall of the basin-type rubber support and the sealing ring is small, and the wear mileage of the copper sealing ring is not long, so that the sealing effect and the service life are influenced, and the basin-type rubber support cannot be well suitable for supports with large rotation angles, frequent displacement and other requirements.
The existing basin-type rubber support sealing ring is composed of a plurality of opening rings, the diameters of copper sealing rings used for different rubber pad diameters, the cross sectional dimension and the number are different, a slotting structure is needed for the copper sealing ring with the larger cross sectional dimension, the design range of the existing basin-type rubber support is expanded to 100 t-10000 t, the diameter of a corresponding rubber pad is 200 mm-1500 mm, the diversity of the size is difficult to realize the batch production of the sealing ring, the production organization is inconvenient, the processing precision is difficult to guarantee, the production cost is higher, and the assembly is troublesome.
Disclosure of Invention
The invention provides a modularized sealing system, and solves the problems that the existing basin-type rubber support sealing ring in the prior art cannot be well suitable for a support with requirements of large rotation angle, frequent displacement and the like, and the wear mileage of a copper sealing ring is not long.
The invention provides a modularized sealing ring which comprises a plurality of sealing units, wherein the sealing units are connected in the circumferential direction to form an annular structure, the sealing units are elastic units, and a joint surface between the sealing units is an arc surface or a step surface or the combination of the arc surface and the step surface.
The sealing units are provided with concave-convex two curvature-variable contact surfaces, so that no gap is formed between the sealing units after the sealing system is formed in an interlocking manner, and the top edge of the rubber pad is prevented from being extruded and deformed from the gap to overflow the basin ring.
The invention relates to a modularized sealing ring, which is characterized in that as a preferable mode, a sealing unit comprises a circumferential sealing part, a radial sealing part, an axial sealing part and a connecting part, wherein two opposite surfaces of the circumferential sealing part are cambered surfaces which have the same surface shape and opposite concave-convex properties and can be matched with each other on the circumferential sealing part, the connecting part is arranged on the cambered surface on one side of the circumferential sealing part, and the axial sealing part and the radial sealing part are mutually and vertically arranged on two adjacent surfaces of the circumferential sealing part, which are adjacent to the two cambered surfaces.
The radial sealing part and the axial sealing part are used for mounting the sealing units in the axial direction and the radial direction, and the circumferential sealing parts are connected end to end and matched with a non-planar joint surface to form sealing. The connecting part is used for connecting two adjacent sealing units.
According to the modular sealing ring, as a preferable mode, the circumferential sealing part is of a hexahedral structure and comprises a circumferential sealing part body, a first combining surface and a second combining surface, wherein the first combining surface and the second combining surface are oppositely arranged on two sides of the axial sealing part body, the first combining surface and the second combining surface are variable-curvature curved surfaces, the first combining surface is a convex curved surface, and the second combining surface is a concave curved surface.
The connecting surface is a variable-curvature curved surface (a concave surface and a convex surface), so that the system can be bent into a circle conveniently, no gap exists, and the circumferential distribution is matched with the rubber pad.
According to the modular sealing ring, as a preferred mode, the circumferential sealing part further comprises a connecting hole, the connecting hole is a counter bore arranged on the second combining surface, and the connecting hole and the circumferential sealing part are coaxial.
According to the modular sealing ring, as a preferable mode, the connecting part is a wedge-shaped bulge which is arranged on the surface of the first combining surface and is matched with the connecting hole.
The sealing unit is provided with a groove on the variable-curvature concave surface, the variable-curvature convex surface is provided with a connector, and the end part of the connector is wedge-shaped. The end part of the connector of the latter sealing unit is inserted into the groove of the variable-curvature concave surface of the former sealing unit, the two sealing units 5 form interlocking, and the sealing units are interlocked into a ring in this way and embedded at the edge of the rubber pad to form a sealing system.
According to the modular sealing ring, as a preferable mode, the circumferential sealing part body comprises a first plane, a second plane, a third plane and a fourth plane, two opposite sides of the first plane are respectively connected with the second plane and the fourth plane, the edge, opposite to the connecting edge of the first plane, of the second plane is connected with the third plane, and the edge, opposite to the connecting edge of the third plane and the second plane, of the third plane is connected with the fourth plane.
In a preferred embodiment of the modular sealing ring according to the present invention, the radial sealing portion has a plate-like structure, one end of the radial sealing portion is vertically disposed on a side of the first plane, where the first plane is connected to the second plane, and an upper plate surface of the radial sealing portion is coplanar with the second plane.
In a preferred embodiment of the modular seal ring according to the present invention, the axial seal portion has a plate-like structure, one end of the axial seal portion is vertically disposed on a fourth plane on a side where the fourth plane and the third plane are connected, and an upper plate surface of the axial seal portion is coplanar with the third plane.
According to the modularized sealing ring, as a preferable mode, the sealing unit is made of polyvinylidene fluoride, PFA or polyformaldehyde materials.
Polyvinylidene fluoride, PFA, polyformaldehyde and the like are adopted, the hardness, the strength and the rigidity are good, the self-lubricating property and the fatigue resistance are good, the elastic material is manufactured through injection molding, the limit of the top edge of the rubber pad can be effectively carried out, the top edge of the rubber pad is prevented from being extruded and deformed to form a basin ring, the cost is low, and the requirement of higher accumulated slippage can be met.
The invention has the following beneficial effects:
(1) the sealing ring is integrally formed by adopting a compression molding or profile processing mode, is easy to process, has high and controllable processing precision and better sealing effect;
(2) the sealing ring is made of a lubricating polytetrafluoroethylene composite material, has good hardness, strength and rigidity, has good self-lubricating property and good fatigue resistance, can effectively limit the top edge of the rubber pad, avoids the top edge of the rubber pad from being extruded and deformed out of a basin ring, and can meet the requirement of higher accumulated slippage.
(3) The design can be satisfied only according to the sealed unit quantity of the increase and decrease of rubber pad diameter size to the support of different tonnages, and sealed unit can carry out batch production, greatly reduced support's manufacturing cost.
Drawings
FIG. 1 is a schematic view of a modular seal ring;
FIG. 2 is a three-dimensional view of a modular gasket sealing unit;
FIG. 3 is a schematic view of a modular seal ring circumferential seal;
FIG. 4 is a schematic view of a modular seal ring circumferential seal body.
Reference numerals:
1. a sealing unit; 11. a circumferential seal portion; 111. a circumferential seal part body; 1111. a first plane; 1112. a second plane; 1113. a third plane; 1114. a fourth plane; 112. a first bonding surface; 113. a second bonding surface; 114. connecting holes; 12. a radial seal portion; 13. an axial seal portion; 14. a connecting portion.
Detailed Description
The technical solutions in the embodiments of the present invention will be made clear below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
As shown in fig. 1, a modular sealing ring comprises a plurality of sealing units 1, wherein the sealing units 1 are circumferentially connected to form an annular structure, the sealing units 1 are elastic units, and a joint surface between the sealing units 1 is an arc surface.
As shown in fig. 2, the sealing unit 1 includes a circumferential sealing portion 11, a radial sealing portion 12, an axial sealing portion 13 and a connecting portion 14, two opposite surfaces of the circumferential sealing portion 11 are cambered surfaces which have the same surface shape and opposite concave-convex properties and can be matched with each other on the circumferential sealing portion 11, the connecting portion 14 is disposed on the cambered surface on one side of the circumferential sealing portion 11, and the axial sealing portion 13 and the radial sealing portion 12 are perpendicularly disposed on two adjacent surfaces of the circumferential sealing portion 11 adjacent to the two cambered surfaces.
As shown in fig. 3, the circumferential sealing part 11 is a hexahedral structure, the circumferential sealing part 11 includes a circumferential sealing part body 111, a first combining surface 112, a second combining surface 113 and a connecting hole 114, the first combining surface 112 and the second combining surface 113 are oppositely disposed on two sides of the axial sealing part 13 body, both the first combining surface 112 and the second combining surface 113 are variable curvature curved surfaces, the first combining surface 112 is a convex curved surface, the second combining surface 113 is a concave curved surface, the connecting hole 114 is a counter bore disposed on the second combining surface 113, and the connecting hole 114 and the circumferential sealing part 11 are coaxial.
The connecting portion 14 is a wedge-shaped protrusion disposed on the surface of the first combining surface 112 and cooperating with the connecting hole 114.
As shown in fig. 4, the circumferential seal part body 111 includes a first plane 1111, a second plane 1112, a third plane 1113, and a fourth plane 1114, the first plane 1111 connects the second plane 1112 and the fourth plane 1114 at opposite sides thereof, the second plane 1112 connects the third plane 1113 at an opposite side to a connection side of the first plane 1111, and the third plane 1113 connects the fourth plane 1114 at an opposite side to a connection side of the second plane 1112.
The radial seal part 12 is a plate-shaped structure, one end of the radial seal part 12 is vertically arranged on the first plane 1111 at the side where the first plane 1111 is connected with the second plane 1112, and the upper plate surface of the radial seal part 12 is coplanar with the second plane 1112.
The axial sealing portion 13 is a plate-shaped structure, one end of the axial sealing portion 13 is vertically arranged on the fourth plane 1114 at a side where the fourth plane 1114 is connected with the third plane 1113, and an upper plate surface of the axial sealing portion 13 is coplanar with the third plane 1113.
The sealing unit 1 is made of polytetrafluoroethylene.
The accumulated relative sliding distance between the existing copper sealing ring and the inner wall of the basin ring is not less than 1000m, and the accumulated relative sliding distance between the novel sealing ring and the inner wall of the basin ring is not less than 2000 m.
The modularized sealing ring 2 is embedded in the rubber gasket 1 through a vulcanization process to form a whole. Processing rubber raw materials, through the sizing material cooperation, smelt gluey, shaping cut-parts, sizing material are examined soon, then assemble into wholly with modularization sealing washer 2 and rubber pad 1 through the pressurization and vulcanize, maintain, overcome the influence of machining error to assembly quality, the better assurance of quality improves whole leakproofness, and the whole equipment of support is also more convenient.
The rubber gasket 1 can be reliably tightly attached to the gasket 2 by a vulcanization process. In addition, the structure of the sealing ring 2 has structural elasticity, and the vulcanization process can fix the shape of the sealing ring 2, so that the processing precision is ensured, and the assembly is convenient.
Example 2
As shown in fig. 1, the modular sealing ring comprises a plurality of sealing units 1, wherein the sealing units 1 are circumferentially connected to form an annular structure, the sealing units 1 are elastic units, and a joint surface between the sealing units 1 is a step surface.
As shown in fig. 2, the sealing unit 1 includes a circumferential sealing portion 11, a radial sealing portion 12, an axial sealing portion 13, and a connecting portion 14, two opposite surfaces of the circumferential sealing portion 11 are stepped surfaces which have the same surface shape and opposite concave-convex shapes and can be engaged with each other on the circumferential sealing portion 11, the connecting portion 14 is disposed on the stepped surface on one side of the circumferential sealing portion 11, and the axial sealing portion 13 and the radial sealing portion 12 are disposed perpendicular to each other on two adjacent surfaces of the circumferential sealing portion 11 adjacent to the two stepped surfaces.
As shown in fig. 3, the circumferential sealing portion 11 is a hexahedral structure, the circumferential sealing portion 11 includes a circumferential sealing portion body 111, a first combining surface 112, a second combining surface 113 and a connecting hole 114, the first combining surface 112 and the second combining surface 113 are oppositely disposed on two sides of the axial sealing portion 13 body, both the first combining surface 112 and the second combining surface 113 are three-step surfaces, the first combining surface 112 is a convex step surface, the second combining surface 113 is a concave step surface, the connecting hole 114 is a counter bore disposed on the second combining surface 113, and the connecting hole 114 and the circumferential sealing portion 11 are coaxial.
The connecting portion 14 is a wedge-shaped protrusion disposed on the surface of the first combining surface 112 and cooperating with the connecting hole 114.
As shown in fig. 4, the circumferential seal part body 111 includes a first plane 1111, a second plane 1112, a third plane 1113, and a fourth plane 1114, the first plane 1111 connects the second plane 1112 and the fourth plane 1114 at opposite sides thereof, the second plane 1112 connects the third plane 1113 at an opposite side to a connection side of the first plane 1111, and the third plane 1113 connects the fourth plane 1114 at an opposite side to a connection side of the second plane 1112.
The radial seal part 12 is a plate-shaped structure, one end of the radial seal part 12 is vertically arranged on the first plane 1111 at the side where the first plane 1111 is connected with the second plane 1112, and the upper plate surface of the radial seal part 12 is coplanar with the second plane 1112.
The axial sealing portion 13 is a plate-shaped structure, one end of the axial sealing portion 13 is vertically arranged on the fourth plane 1114 at a side where the fourth plane 1114 is connected with the third plane 1113, and an upper plate surface of the axial sealing portion 13 is coplanar with the third plane 1113.
The sealing unit 1 is made of polytetrafluoroethylene.
The accumulated relative sliding distance between the existing copper sealing ring and the inner wall of the basin ring is not less than 1000m, and the accumulated relative sliding distance between the novel sealing ring and the inner wall of the basin ring is not less than 2000 m.
The modularized sealing ring 2 is embedded in the rubber gasket 1 through a vulcanization process to form a whole. Processing rubber raw materials, through the sizing material cooperation, smelt gluey, shaping cut-parts, sizing material are examined soon, then assemble into wholly with modularization sealing washer 2 and rubber pad 1 through the pressurization and vulcanize, maintain, overcome the influence of machining error to assembly quality, the better assurance of quality improves whole leakproofness, and the whole equipment of support is also more convenient.
The rubber gasket 1 can be reliably tightly attached to the gasket 2 by a vulcanization process. In addition, the structure of the sealing ring 2 has structural elasticity, and the vulcanization process can fix the shape of the sealing ring 2, so that the processing precision is ensured, and the assembly is convenient.
Example 3
As shown in fig. 1, the modular sealing ring comprises a plurality of sealing units 1, wherein the sealing units 1 are circumferentially connected to form an annular structure, the sealing units 1 are elastic units, and a joint surface between the sealing units 1 is an arc-shaped step surface.
As shown in fig. 2, the sealing unit 1 includes a circumferential sealing portion 11, a radial sealing portion 12, an axial sealing portion 13 and a connecting portion 14, two opposite surfaces of the circumferential sealing portion 11 are combinations of cambered surfaces and stepped surfaces which have the same surface shape and opposite concave-convex properties and can be matched with each other on the circumferential sealing portion 11, the connecting portion 14 is disposed on the combination of the cambered surface and the stepped surface on one side of the circumferential sealing portion 11, and the axial sealing portion 13 and the radial sealing portion 12 are perpendicular to each other and disposed on two adjacent surfaces of the circumferential sealing portion 11 adjacent to the combination of the two cambered surfaces and the stepped surfaces.
As shown in fig. 3, the circumferential sealing portion 11 is a hexahedral structure, the circumferential sealing portion 11 includes a circumferential sealing portion body 111, a first combining surface 112, a second combining surface 113 and a connecting hole 114, the first combining surface 112 and the second combining surface 113 are oppositely disposed on two sides of the axial sealing portion 13 body, both the first combining surface 112 and the second combining surface 113 are arc-shaped three-step surfaces, the first combining surface 112 is a convex arc-shaped step surface, the second combining surface 113 is a concave arc-shaped step surface, the connecting hole 114 is a counter bore disposed on the second combining surface 113, and the connecting hole 114 and the circumferential sealing portion 11 are coaxial.
The connecting portion 14 is a wedge-shaped protrusion disposed on the surface of the first combining surface 112 and cooperating with the connecting hole 114.
As shown in fig. 4, the circumferential seal part body 111 includes a first plane 1111, a second plane 1112, a third plane 1113, and a fourth plane 1114, the first plane 1111 connects the second plane 1112 and the fourth plane 1114 at opposite sides thereof, the second plane 1112 connects the third plane 1113 at an opposite side to a connection side of the first plane 1111, and the third plane 1113 connects the fourth plane 1114 at an opposite side to a connection side of the second plane 1112.
The radial seal part 12 is a plate-shaped structure, one end of the radial seal part 12 is vertically arranged on the first plane 1111 at the side where the first plane 1111 is connected with the second plane 1112, and the upper plate surface of the radial seal part 12 is coplanar with the second plane 1112.
The axial sealing portion 13 is a plate-shaped structure, one end of the axial sealing portion 13 is vertically arranged on the fourth plane 1114 at a side where the fourth plane 1114 is connected with the third plane 1113, and an upper plate surface of the axial sealing portion 13 is coplanar with the third plane 1113.
The sealing unit 1 is made of polytetrafluoroethylene.
The accumulated relative sliding distance between the existing copper sealing ring and the inner wall of the basin ring is not less than 1000m, and the accumulated relative sliding distance between the novel sealing ring and the inner wall of the basin ring is not less than 2000 m.
The modularized sealing ring 2 is embedded in the rubber gasket 1 through a vulcanization process to form a whole. Processing rubber raw materials, through the sizing material cooperation, smelt gluey, shaping cut-parts, sizing material are examined soon, then assemble into wholly with modularization sealing washer 2 and rubber pad 1 through the pressurization and vulcanize, maintain, overcome the influence of machining error to assembly quality, the better assurance of quality improves whole leakproofness, and the whole equipment of support is also more convenient.
The rubber gasket 1 can be reliably tightly attached to the gasket 2 by a vulcanization process. In addition, the structure of the sealing ring 2 has structural elasticity, and the vulcanization process can fix the shape of the sealing ring 2, so that the processing precision is ensured, and the assembly is convenient.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A modular sealing ring, its characterized in that: the sealing structure comprises a plurality of sealing units (1), wherein the sealing units (1) are circumferentially connected to form an annular structure, the sealing units (1) are elastic units, and a joint surface between the sealing units (1) is an arc surface or a step surface or a combination of the arc surface and the step surface.
2. The modular seal ring of claim 1, wherein: sealing unit (1) includes circumference sealing (11), radial seal portion (12), axial seal portion (13) and connecting portion (14), two opposite faces of circumference sealing (11) are in circumference sealing (11) surface shape is the same, the opposite cambered surface of concave-convex nature and can mutually support, connecting portion (14) set up in circumference sealing (11) one side cambered surface, axial seal portion (13) with radial seal portion (12) mutually perpendicular set up in circumference sealing (11) and two adjacent surfaces that two cambered surfaces are adjacent.
3. A modular seal ring according to claim 2, wherein: the sealing structure is characterized in that the circumferential sealing part (11) is of a hexahedral structure, the circumferential sealing part (11) comprises a circumferential sealing part body (111), a first combining surface (112) and a second combining surface (113), the first combining surface (112) and the second combining surface (113) are oppositely arranged on two sides of the axial sealing part body (13), the first combining surface (112) and the second combining surface (113) are both variable-curvature curved surfaces, the first combining surface (112) is a convex curved surface, and the second combining surface (113) is a concave curved surface.
4. A modular seal ring according to claim 3, wherein: the circumferential sealing part (11) further comprises a connecting hole (114), the connecting hole (114) is a counter bore arranged on the second joint surface (113), and the connecting hole (114) and the circumferential sealing part (11) are coaxial.
5. The modular seal ring of claim 4, wherein: the connecting part (14) is a wedge-shaped protrusion which is arranged on the surface of the first combining surface (112) and is matched with the connecting hole (114).
6. A modular seal ring according to claim 3, wherein: the circumferential seal body (111) comprises a first plane (1111), a second plane (1112), a third plane (1113) and a fourth plane (1114), wherein two opposite sides of the first plane (1111) are respectively connected with the second plane (1112) and the fourth plane (1114), the edge of the second plane (1112) opposite to the connecting edge of the first plane (1111) is connected with the third plane (1113), and the edge of the third plane (1113) opposite to the connecting edge of the second plane (1112) is connected with the fourth plane (1114).
7. The modular seal ring of claim 6, wherein: the radial sealing part (12) is of a plate-shaped structure, one end of the radial sealing part (12) is perpendicularly arranged on one side, connected with the first plane (1111) and the second plane (1112), of the first plane (1111), and the upper plate surface of the radial sealing part (12) is coplanar with the second plane (1112).
8. The modular seal ring of claim 7, wherein: the axial sealing part (13) is of a plate-shaped structure, one end of the axial sealing part (13) is vertically arranged on the fourth plane (1114), the fourth plane (1114) is connected with the third plane (1113), and the upper plate surface of the axial sealing part (13) is coplanar with the third plane (1113).
9. The modular seal ring of claim 1, wherein: the sealing unit (1) is made of polyvinylidene fluoride, PFA or polyformaldehyde materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011024430.9A CN112301870A (en) | 2020-09-25 | 2020-09-25 | Modularization sealing washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011024430.9A CN112301870A (en) | 2020-09-25 | 2020-09-25 | Modularization sealing washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112301870A true CN112301870A (en) | 2021-02-02 |
Family
ID=74488232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011024430.9A Pending CN112301870A (en) | 2020-09-25 | 2020-09-25 | Modularization sealing washer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112301870A (en) |
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| CN1187873A (en) * | 1995-06-14 | 1998-07-15 | 苏舍-布尔克哈特机械制造有限公司 | Sealing washer |
| CN100352642C (en) * | 1999-11-04 | 2007-12-05 | 巴斯福股份公司 | Composite elements |
| CN102549320A (en) * | 2009-10-07 | 2012-07-04 | Nok株式会社 | Seal device |
| CN102808991A (en) * | 2012-08-10 | 2012-12-05 | 吴忠仪表有限责任公司 | Irregular wavelike sealing device for valve |
| CN106103919A (en) * | 2014-03-25 | 2016-11-09 | Ntn株式会社 | Sealing ring |
| CN106243703A (en) * | 2016-08-30 | 2016-12-21 | 李兆源 | A kind of modified nylon materials for sealing ring |
| KR101715182B1 (en) * | 2016-06-10 | 2017-03-10 | 김원주 | Bridges drain air vent device |
| CN206708203U (en) * | 2017-04-28 | 2017-12-05 | 云南昆钢重型装备制造集团有限公司 | A kind of self-lubricating bearing device of underwater severe environment applications |
| CN207420524U (en) * | 2017-07-11 | 2018-05-29 | 广州加士特密封技术有限公司 | A kind of dissection type sealing ring |
| CN109357042A (en) * | 2018-10-30 | 2019-02-19 | 中石化广州工程有限公司 | A kind of plug valve sealing structure and its application method |
| CN110041646A (en) * | 2018-01-17 | 2019-07-23 | 杨家义 | Ptfe composite, its production method and the inclusion seal circle using the material |
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2020
- 2020-09-25 CN CN202011024430.9A patent/CN112301870A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0376908A (en) * | 1989-08-21 | 1991-04-02 | Harumoto Tekkosho:Kk | Packer |
| CN1187873A (en) * | 1995-06-14 | 1998-07-15 | 苏舍-布尔克哈特机械制造有限公司 | Sealing washer |
| CN100352642C (en) * | 1999-11-04 | 2007-12-05 | 巴斯福股份公司 | Composite elements |
| CN102549320A (en) * | 2009-10-07 | 2012-07-04 | Nok株式会社 | Seal device |
| CN102808991A (en) * | 2012-08-10 | 2012-12-05 | 吴忠仪表有限责任公司 | Irregular wavelike sealing device for valve |
| CN106103919A (en) * | 2014-03-25 | 2016-11-09 | Ntn株式会社 | Sealing ring |
| KR101715182B1 (en) * | 2016-06-10 | 2017-03-10 | 김원주 | Bridges drain air vent device |
| CN106243703A (en) * | 2016-08-30 | 2016-12-21 | 李兆源 | A kind of modified nylon materials for sealing ring |
| CN206708203U (en) * | 2017-04-28 | 2017-12-05 | 云南昆钢重型装备制造集团有限公司 | A kind of self-lubricating bearing device of underwater severe environment applications |
| CN207420524U (en) * | 2017-07-11 | 2018-05-29 | 广州加士特密封技术有限公司 | A kind of dissection type sealing ring |
| CN110041646A (en) * | 2018-01-17 | 2019-07-23 | 杨家义 | Ptfe composite, its production method and the inclusion seal circle using the material |
| CN109357042A (en) * | 2018-10-30 | 2019-02-19 | 中石化广州工程有限公司 | A kind of plug valve sealing structure and its application method |
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