CN112283350B - Modularized sealing system - Google Patents
Modularized sealing system Download PDFInfo
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- CN112283350B CN112283350B CN202011028827.5A CN202011028827A CN112283350B CN 112283350 B CN112283350 B CN 112283350B CN 202011028827 A CN202011028827 A CN 202011028827A CN 112283350 B CN112283350 B CN 112283350B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/102—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by material
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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
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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
- E01D19/042—Mechanical bearings
- E01D19/047—Pot bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/108—Special methods for making a non-metallic packing
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
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- Aviation & Aerospace Engineering (AREA)
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- Chemical & Material Sciences (AREA)
- Gasket Seals (AREA)
- Sealing Devices (AREA)
Abstract
The invention provides a modularized sealing system which comprises a rubber pad (1) and a sealing ring (2), wherein the rubber pad (1) is of a cake-shaped structure, and the sealing ring (2) is fixed at the circumferential position of the upper surface of the rubber pad (1) through vulcanization; the sealing ring (2) comprises a plurality of sealing units (21), the sealing units (21) are connected in the circumferential direction to form an annular structure, the sealing units (21) are elastic units, and a joint surface between the sealing units (21) is an arc surface. The design can be satisfied only according to the sealed unit quantity of rubber pad diameter size increase and decrease to the support of different tonnages, and sealed unit can carry out batch production, the manufacturing cost of greatly reduced support.
Description
Technical Field
The invention relates to the field of bridge supports, in particular to a sealing system.
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 system which comprises a rubber pad and a sealing ring, wherein the rubber pad is of a cake-shaped structure, and the sealing ring is fixed at the circumferential position of the upper surface of the rubber pad through vulcanization; the sealing ring comprises a plurality of sealing units, the sealing units are connected in the circumferential direction to form an annular structure, the sealing units are elastic units, and the 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 interlocked and molded, 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 system, 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 system, as a preferred 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 circumferential sealing part body to form the two opposite surfaces, 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 system, 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 system, 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 system, 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 the modular sealing system, as a preferable mode, the radial sealing part is of a plate-shaped structure, one end of the radial sealing part is vertically arranged on one side, connected with the first plane and the second plane, of the first plane, and the upper plate surface of the radial sealing part is coplanar with the second plane.
In a preferred embodiment of the modular sealing system according to the present invention, the axial sealing portion has a plate-like structure, one end of the axial sealing portion is vertically disposed on a side of the fourth plane where the fourth plane is connected to the third plane, and an upper plate surface of the axial sealing portion is coplanar with the third plane.
According to the modularized sealing system, 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 of the supports with different tonnages can be met only by increasing or decreasing the number of the sealing units according to the diameter of the rubber pad, the sealing units can be produced in batch, and the production cost of the supports is greatly reduced;
(4) The sealing system and the rubber pad are in a composite integral type, so that the influence of machining errors on the assembly quality is overcome, the quality is better ensured, the integral sealing performance is improved, and the integral assembly of the support is more convenient.
Drawings
FIG. 1 is a schematic view of a modular sealing system;
FIG. 2 is a schematic view of a modular sealing system sealing ring;
FIG. 3 is a three-view illustration of a modular sealing system sealing unit;
FIG. 4 is a schematic view of a modular seal system circumferential seal;
FIG. 5 is a schematic view of a modular seal system circumferential seal body.
Reference numerals:
1. a rubber pad; 2. a seal ring; 21. a sealing unit; 211. a circumferential seal portion; 2111. a circumferential seal part body; 21111. a first plane; 21112. a second plane; 21113. a third plane; 21114. a fourth plane; 22112. a first bonding surface; 2113. a second bonding surface; 2114. connecting holes; 212. a radial seal portion; 213. an axial seal portion; 214. 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 figure 1, the modularized sealing system comprises a rubber pad 1 and a sealing ring 2, wherein the rubber pad 1 is of a cake-shaped structure, and the sealing ring 2 is fixed on the circumferential position of the upper surface of the rubber pad 1 through vulcanization.
As shown in fig. 2, the sealing ring 2 includes a plurality of sealing units 21, the sealing units 21 are connected in a circumferential direction to form an annular structure, the sealing units 21 are elastic units, and a joint surface between the sealing units 21 is an arc surface.
As shown in fig. 3, the sealing unit 21 includes a circumferential sealing portion 211, a radial sealing portion 212, an axial sealing portion 213 and a connecting portion 214, two opposite surfaces of the circumferential sealing portion 211 are arc surfaces with the same surface shape, opposite concave-convex shapes and capable of being fitted with each other on the circumferential sealing portion 211, the connecting portion 214 is disposed on the arc surface on one side of the circumferential sealing portion 211, and the axial sealing portion 213 and the radial sealing portion 212 are disposed perpendicular to each other on two adjacent surfaces of the circumferential sealing portion 211 adjacent to the two arc surfaces.
As shown in fig. 4, the circumferential sealing portion 211 is a hexahedral structure, the circumferential sealing portion 211 includes a circumferential sealing portion body 2111, a first combining surface 2112, a second combining surface 2113, and a connecting hole 2114, the first combining surface 2112 and the second combining surface 2113 are oppositely disposed at two sides of the circumferential sealing portion body 2111 to form the two opposite surfaces, the first combining surface 2112 and the second combining surface 2113 are both variable curvature curved surfaces, the first combining surface 2112 is a convex curved surface, and the second combining surface 2113 is a concave curved surface. The connection hole 2114 is a counter bore provided on the second joint surface 2113, and the connection hole 2114 is coaxial with the circumferential seal portion 211.
The connection portion 214 is a wedge-shaped protrusion disposed on the surface of the first coupling surface 2112 and engaged with the connection hole 2114.
As shown in fig. 5, the circumferential seal portion body 2111 includes a first plane 21111, a second plane 21112, a third plane 21113, and a fourth plane 21114, the first plane 21111 connecting the second plane 21112 and the fourth plane 21114 at opposite sides thereof, respectively, the second plane 21112 connecting the third plane 21113 at a side opposite to the side connecting the first plane 21111, and the third plane 21113 connecting the fourth plane 21114 at a side opposite to the side connecting the second plane 21112.
The radial seal portion 212 is a plate-shaped structure, one end of the radial seal portion 212 is vertically disposed on the first plane 21111 on the side where the first plane 21111 is connected with the second plane 21112, and the upper plate surface of the radial seal portion 212 is coplanar with the second plane 21112.
The axial sealing portion 213 has a plate-like structure, one end of the axial sealing portion 213 is vertically disposed on the fourth plane 21114 at a side where the fourth plane 21114 is connected to the third plane 21113, and an upper plate surface of the axial sealing portion 213 is coplanar with the third plane 21113.
The sealing unit 21 is made of teflon.
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 2000m.
The sealing ring is arranged on the rubber pad, and the modularized sealing ring is embedded in the rubber pad through a vulcanization process to form a whole. Processing the rubber raw material, matching through the sizing material, mixing rubber, shaping cut-parts, sizing material examine soon, then assemble modularization sealing washer and rubber pad into wholly 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 can be reliably and tightly connected with the sealing ring through a vulcanization process. In addition, the structure of the sealing ring has structural elasticity, the form of the sealing ring can be fixed by a vulcanization process, the processing precision is ensured, and the assembly is convenient.
Example 2
As shown in figure 1, the modularized sealing system comprises a rubber pad 1 and a sealing ring 2, wherein the rubber pad 1 is of a cake-shaped structure, and the sealing ring 2 is fixed on the circumferential position of the upper surface of the rubber pad 1 through vulcanization.
As shown in fig. 2, the sealing ring 2 includes a plurality of sealing units 21, the sealing units 21 are circumferentially connected to form an annular structure, the sealing units 21 are elastic units, and a joint surface between the sealing units 21 is a stepped surface.
As shown in fig. 3, the sealing unit 21 includes a circumferential sealing portion 211, a radial sealing portion 212, an axial sealing portion 213 and a connecting portion 214, two opposite surfaces of the circumferential sealing portion 211 are stepped surfaces which have the same surface shape and opposite concave-convex shapes and can be matched with each other on the circumferential sealing portion 211, the connecting portion 214 is disposed on the stepped surface on one side of the circumferential sealing portion 211, and the axial sealing portion 213 and the radial sealing portion 212 are disposed perpendicular to each other on two adjacent surfaces of the circumferential sealing portion 211 adjacent to the two stepped surfaces.
As shown in fig. 4, the circumferential sealing portion 211 is a hexahedral structure, the circumferential sealing portion 211 includes a circumferential sealing portion body 2111, a first combining surface 2112, a second combining surface 2113, and a connecting hole 2114, the first combining surface 2112 and the second combining surface 2113 are oppositely disposed at two sides of the circumferential sealing portion body 2111 to form the two opposite surfaces, the first combining surface 2112 and the second combining surface 2113 are both three-step surfaces, the first combining surface 2112 is a convex step surface, and the second combining surface 2113 is a concave step surface. The connection hole 2114 is a counter bore provided on the second joint surface 2113, and the connection hole 2114 is coaxial with the circumferential seal portion 211.
The connection portion 214 is a wedge-shaped protrusion disposed on the surface of the first coupling surface 2112 and engaged with the connection hole 2114.
As shown in fig. 5, the circumferential seal portion body 2111 includes a first plane 21111, a second plane 21112, a third plane 21113, and a fourth plane 21114, the first plane 21111 connecting the second plane 21112 and the fourth plane 21114 at opposite sides thereof, respectively, the second plane 21112 connecting the third plane 21113 at a side opposite to the side connecting the first plane 21111, and the third plane 21113 connecting the fourth plane 21114 at a side opposite to the side connecting the second plane 21112.
The radial seal portion 212 is a plate-shaped structure, one end of the radial seal portion 212 is vertically disposed on the first plane 21111 at a side where the first plane 21111 is connected to the second plane 21112, and an upper plate surface of the radial seal portion 212 is coplanar with the second plane 21112.
The axial sealing portion 213 has a plate-like structure, one end of the axial sealing portion 213 is vertically disposed on the fourth plane 21114 at a side where the fourth plane 21114 is connected to the third plane 21113, and an upper plate surface of the axial sealing portion 213 is coplanar with the third plane 21113.
The sealing unit 21 is made of teflon.
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 2000m.
The sealing ring is arranged on the rubber pad, and the modularized sealing ring is embedded in the rubber pad through a vulcanization process to form a whole. Processing rubber raw materials, through the sizing material cooperation, smelt gluey, shaping cut-parts, sizing material examine soon, then assemble modularization sealing washer and rubber pad into wholly through the pressurization and vulcanize, maintain, overcome the influence of machining error to assembly quality, the better quality guarantees, improves whole leakproofness, and the whole equipment of support is also more convenient.
The rubber pad can be reliably and tightly connected with the sealing ring through a vulcanization process. In addition, the structure of the sealing ring has structural elasticity, the shape of the sealing ring can be fixed by a vulcanization process, the processing precision is ensured, and the assembly is convenient.
Example 3
As shown in figure 1, the modularized sealing system comprises a rubber pad 1 and a sealing ring 2, wherein the rubber pad 1 is of a cake-shaped structure, and the sealing ring 2 is fixed on the circumferential position of the upper surface of the rubber pad 1 through vulcanization.
As shown in fig. 2, the sealing ring 2 includes a plurality of sealing units 21, the sealing units 21 are circumferentially connected to form an annular structure, the sealing units 21 are elastic units, and a joint surface between the sealing units 21 is an arc-shaped stepped surface.
As shown in fig. 3, the sealing unit 21 includes a circumferential sealing portion 211, a radial sealing portion 212, an axial sealing portion 213, and a connecting portion 214, two opposite surfaces of the circumferential sealing portion 211 are arc-shaped 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 211, the connecting portion 214 is disposed on the arc-shaped stepped surface on one side of the circumferential sealing portion 211, and the axial sealing portion 213 and the radial sealing portion 212 are disposed perpendicular to each other on two adjacent surfaces of the circumferential sealing portion 211 adjacent to the two arc-shaped stepped surfaces.
As shown in fig. 4, the circumferential sealing portion 211 is a hexahedral structure, the circumferential sealing portion 211 includes a circumferential sealing portion body 2111, a first combining surface 2112, a second combining surface 2113, and a connecting hole 2114, the first combining surface 2112 and the second combining surface 2113 are oppositely disposed on two sides of the axial sealing portion 213 body, the first combining surface 2112 and the second combining surface 2113 are both arc-shaped three-step surfaces, the first combining surface 2112 is a convex arc-shaped step surface, and the second combining surface 2113 is a concave arc-shaped step surface. The connection hole 2114 is a counter bore provided on the second joint surface 2113, and the connection hole 2114 is coaxial with the circumferential seal portion 211.
The connection portion 214 is a wedge-shaped protrusion disposed on the surface of the first coupling surface 2112 and engaged with the connection hole 2114.
As shown in fig. 5, the circumferential seal portion body 2111 includes a first plane 21111, a second plane 21112, a third plane 21113, and a fourth plane 21114, the first plane 21111 connecting the second plane 21112 and the fourth plane 21114 at opposite sides thereof, respectively, the second plane 21112 connecting the third plane 21113 at a side opposite to the side connecting the first plane 21111, and the third plane 21113 connecting the fourth plane 21114 at a side opposite to the side connecting the second plane 21112.
The radial seal portion 212 is a plate-shaped structure, one end of the radial seal portion 212 is vertically disposed on the first plane 21111 on the side where the first plane 21111 is connected with the second plane 21112, and the upper plate surface of the radial seal portion 212 is coplanar with the second plane 21112.
The axial sealing portion 213 has a plate-like structure, one end of the axial sealing portion 213 is vertically disposed on the fourth plane 21114 at a side where the fourth plane 21114 is connected to the third plane 21113, and an upper plate surface of the axial sealing portion 213 is coplanar with the third plane 21113.
The sealing unit 21 is made of teflon.
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 2000m.
The sealing ring is arranged on the rubber pad, and the modularized sealing ring is embedded in the rubber pad through a vulcanization process to form a whole. Processing rubber raw materials, through the sizing material cooperation, smelt gluey, shaping cut-parts, sizing material examine soon, then assemble modularization sealing washer and rubber pad into wholly through the pressurization and vulcanize, maintain, overcome the influence of machining error to assembly quality, the better quality guarantees, improves whole leakproofness, and the whole equipment of support is also more convenient.
The rubber pad can be reliably and tightly connected with the sealing ring through a vulcanization process. In addition, the structure of the sealing ring has structural elasticity, the shape of the sealing ring can be fixed by a vulcanization process, 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 (3)
1. A modular sealing system, characterized by: the rubber gasket comprises a rubber gasket (1) and a sealing ring (2), wherein the rubber gasket (1) is of a cake-shaped structure, and the sealing ring (2) is fixed at the circumferential position of the upper surface of the rubber gasket (1) through vulcanization; the sealing ring (2) comprises a plurality of sealing units (21), the sealing units (21) are connected in the circumferential direction to form an annular structure, the sealing units (21) are elastic units, and a joint surface between the sealing units (21) is an arc surface;
the sealing unit (21) comprises a circumferential sealing part (211), a radial sealing part (212), an axial sealing part (213) and a connecting part (214), wherein two opposite surfaces of the circumferential sealing part (211) are cambered surfaces which have the same surface shape and opposite concave-convex properties on the circumferential sealing part (211) and can be matched with each other, the connecting part (214) is arranged on the cambered surface on one side of the circumferential sealing part (211), and the axial sealing part (213) and the radial sealing part (212) are vertically arranged on two adjacent surfaces of the circumferential sealing part (211) adjacent to the two cambered surfaces;
the circumferential sealing part (211) is of a hexahedral structure, the circumferential sealing part (211) comprises a circumferential sealing part body (2111), a first combining surface (2112) and a second combining surface (2113), the first combining surface (2112) and the second combining surface (2113) are oppositely arranged on two sides of the circumferential sealing part body (2111) to form the two opposite surfaces, the first combining surface (2112) and the second combining surface (2113) are variable-curvature curved surfaces, the first combining surface (2112) is a convex curved surface, and the second combining surface (2113) is a concave curved surface;
the circumferential seal portion body (2111) comprises a first plane (21111), a second plane (21112), a third plane (21113) and a fourth plane (21114), wherein two opposite sides of the first plane (21111) are respectively connected with the second plane (21112) and the fourth plane (21114), the edge of the second plane (21112) opposite to the connecting edge of the first plane (21111) is connected with the third plane (21113), and the edge of the third plane (21113) opposite to the connecting edge of the second plane (21112) is connected with the fourth plane (21114);
the radial sealing part (212) is of a plate-shaped structure, one end of the radial sealing part (212) is vertically arranged on one side, connected with the first plane (21111) and the second plane (21112), of the first plane (21111), and the upper plate surface of the radial sealing part (212) is coplanar with the second plane (21112);
the axial sealing portion (213) is of a plate-shaped structure, one end of the axial sealing portion (213) is vertically arranged on the fourth plane (21114) on the side where the fourth plane (21114) is connected with the third plane (21113), and the upper plate surface of the axial sealing portion (213) is coplanar with the third plane (21113).
2. A modular sealing system according to claim 1, wherein: the circumferential sealing part (211) further comprises a connecting hole (2114), the connecting hole (2114) is a counter bore arranged on the second joint surface (2113), and the connecting hole (2114) and the circumferential sealing part (211) are coaxial.
3. A modular sealing system according to claim 1, wherein: the sealing unit (21) is made of polyvinylidene fluoride, PFA or polyformaldehyde materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011028827.5A CN112283350B (en) | 2020-09-25 | 2020-09-25 | Modularized sealing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011028827.5A CN112283350B (en) | 2020-09-25 | 2020-09-25 | Modularized sealing system |
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| Publication Number | Publication Date |
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| CN112283350A CN112283350A (en) | 2021-01-29 |
| CN112283350B true CN112283350B (en) | 2023-01-13 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201225402Y (en) * | 2008-07-11 | 2009-04-22 | 中国石油化工股份有限公司 | Adjustable automatic following and cellular compound oil seal |
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| JP2015203489A (en) * | 2014-04-16 | 2015-11-16 | Nok株式会社 | seal ring and sealing device |
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| CN112283350A (en) | 2021-01-29 |
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