CN114483956B - Rubber gasket for automobile - Google Patents
Rubber gasket for automobile Download PDFInfo
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- CN114483956B CN114483956B CN202210389481.4A CN202210389481A CN114483956B CN 114483956 B CN114483956 B CN 114483956B CN 202210389481 A CN202210389481 A CN 202210389481A CN 114483956 B CN114483956 B CN 114483956B
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- negative pressure
- main body
- gasket
- gasket main
- linear
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/042—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of natural rubber or synthetic rubber
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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
- F16J15/061—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with positioning means
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2581/00—Seals; Sealing equipment; Gaskets
Abstract
The invention discloses a rubber gasket for an automobile, which comprises a gasket main body provided with a mounting area, wherein the upper end surface and the lower end surface of the gasket main body are respectively provided with a negative pressure chamber for forming a retaining force; the end face of the gasket main body surrounds the mounting area, a plurality of uniformly distributed linear grooves are formed in the circumference of the end face along the radial direction, a plurality of arc-shaped grooves are formed in the circumference of the end face of the gasket main body, and the negative pressure chamber is formed by freely combining the linear grooves and the arc-shaped grooves; the side wall of the linear groove extends towards the two sides of the linear groove in an inclined way and is integrally connected to the end surface of the gasket main body; according to the invention, the upper end face and the lower end face of the gasket main body are respectively provided with the negative pressure chamber for forming the retention force, so that the gasket main body cannot be loosened due to severe vibration generated during the work of an automobile; even two spare parts are not hard up, because its holding power, can adsorb in the mounting surface of arbitrary metal connecting piece, can not become flexible, can reach the effect that prevents impact and wearing and tearing.
Description
Technical Field
The invention relates to the technical field of rubber gaskets, in particular to a rubber gasket for an automobile.
Background
The automobile jolts or shakes during driving, friction and impact are generated among parts of the automobile under the conditions, the parts of the automobile are easy to age and damage due to long-time friction and impact, the driving safety factor of the automobile is easy to influence, the safety of a driver is reduced, and a rubber gasket is required to be additionally arranged for preventing direct impact and abrasion among the parts, so that the abrasion and impact of the parts are relieved.
The rubber gasket has the performances of oil resistance, acid and alkali resistance, cold and heat resistance, aging resistance and the like, can be directly cut into sealing gaskets in various shapes, and can be widely applied to the industries of medicine, electronics, chemical industry, antistatic property, flame retardance, food and the like.
However, most of the currently used rubber gaskets are flat gaskets with the thickness of about five centimeters, so that the gaskets do not have wear resistance, the rubber gaskets are easy to age or deform due to extrusion due to friction of parts, the use of the rubber gaskets is influenced, and the buffer effect on the parts is reduced.
Traditional rubber gasket shock attenuation effect that the car was used in addition is poor, and wear resistance is poor, uses the back for a long time, because the automobile during operation produces violent vibrations, rubber gasket and metal connecting piece's contact surface can receive very big wearing and tearing to lead to rubber gasket to damage, the not hard up normal work scheduling problem of influence radiator in metal connecting piece position, so propose a auto radiator shock attenuation rubber gasket and solve above-mentioned problem.
Disclosure of Invention
The invention aims to provide a rubber gasket for an automobile.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows: a rubber gasket for an automobile comprises a gasket main body provided with a mounting area, wherein the upper end face and the lower end face of the gasket main body are respectively provided with a negative pressure chamber for forming a retaining force; the end face of the gasket main body surrounds the mounting area, a plurality of uniformly distributed linear grooves are formed in the circumference of the end face along the radial direction, a plurality of arc-shaped grooves are formed in the circumference of the end face of the gasket main body, and the negative pressure chamber is formed by freely combining the linear grooves and the arc-shaped grooves; the side wall of the linear groove extends towards two sides of the linear groove in an inclined mode and is integrally connected to the end face of the gasket main body.
Preferably, the adjacent linear grooves are not communicated or are communicated through arc-shaped grooves; when the adjacent linear grooves are communicated through the arc-shaped grooves, the linear grooves and the arc-shaped grooves form a first negative pressure cavity; when two adjacent linear grooves are not communicated, a single linear groove forms a second negative pressure cavity; the first negative pressure cavity and the second negative pressure cavity form the negative pressure cavity.
Preferably, when the arc-shaped groove is not communicated with the linear groove, a third negative pressure cavity is formed by the single arc-shaped groove, and the first negative pressure cavity, the second negative pressure cavity and the third negative pressure cavity form the negative pressure cavity.
Preferably, the arc-shaped side wall of the arc-shaped groove extends obliquely inwards and is integrally connected to the end face of the gasket main body; when the gasket main body is pressed by the mounting surface, the side wall of the linear groove extends towards the extending direction of the side wall of the linear groove again, and at the moment, the buffer area forms a protrusion similar to a wrinkle shape; at the moment, in the first negative pressure cavity, the arc-shaped groove is also influenced by the acting force generated by the re-extension of the linear groove, and the arc-shaped side wall of the arc-shaped groove extends towards the inner side of the arc-shaped groove again to realize the closing, so that the sealing performance of the first negative pressure cavity is improved; at this time, the third negative pressure chamber is also closed, and the closed arc-shaped side wall increases the thickness thereof, and increases the holding force with the mounting surface in the circumferential direction.
Preferably, the linear groove is arranged perpendicular to the arc-shaped groove; preferably, in the first negative pressure chamber, the linear groove is perpendicular to the arc-shaped groove and is located at two ends of the arc-shaped groove.
Preferably, the linear grooves and the arc-shaped grooves are arranged in a crossed manner; preferably, one of the arc-shaped grooves penetrates through the plurality of linear grooves.
Preferably, a plurality of the arc-shaped grooves form a plurality of concentric annular grooves, and the annular grooves can be used for placing reinforcing rings; when the service life is longer, the strength of the rubber gasket is reduced, and the reinforcing ring can be arranged in the annular groove to reinforce the overall strength.
Preferably, the sidewall of the linear groove is further provided with a bonding portion, the end face of the gasket main body contacts the mounting surface, when the gasket main body is pressed by an external force, the sidewall and the bottom wall of the linear groove are bonded to the mounting surface in a non-bonding state in a peelable manner, and the bonding portion is bonded to the mounting surface.
Preferably, the arc-shaped side wall of the arc-shaped groove is provided with a second bonding part; the end face of the gasket main body is contacted with the mounting surface, and when the gasket main body is extruded under the action of external force, the second bonding part of the arc-shaped groove is bonded with the groove bottom of the arc-shaped groove.
Preferably, the bonding portion is disposed close to the bottom wall of the linear groove, and the thickness of the bonding portion is gradually thinner along the extending direction of the side wall of the linear groove; when the negative pressure chamber of gasket main part produced the natural gas leakage that no external force was applyed, under the general condition, the diapire and be close to the part of diapire at first can reset gradually and drive the lateral wall again and reset, and the portion of gluing is close to one side of diapire this moment and is thicker, and the adhesion is stronger for more stable between gasket main part and the mounting surface avoids reseing the drop that causes.
Preferably, the lower surface of the bonding part is bonded to the side wall of the linear groove, and when no external force acts, the upper surface of the bonding part is inclined to the bottom wall of the linear groove; the area of the contact portion between the bonding portion and the mounting surface is kept to a minimum.
Preferably, the bonding part is far away from one end of the bottom wall of the linear groove to form an elastic bulge, when the linear groove is gradually attached to the installation surface by external force, the elastic bulge in the bonding part is firstly abutted against the installation surface, premature contact between the bonding part and the installation surface is avoided, and air in the linear groove is discharged.
Preferably, the elastic bulges are continuous strip-shaped bulges; preferably, the elastic bulges are a plurality of discontinuous point-shaped bulges.
If the elastic bulge is a continuous strip-shaped bulge, a plurality of air leakage grooves are preferably formed in the strip-shaped bulge, so that air can be conveniently discharged from the air leakage grooves; if the elastic protrusions are discontinuous point-like protrusions, the point-like protrusions are preferably of a hemispherical structure so as to ensure that the contact area between the point-like protrusions and the mounting surface is the minimum.
Preferably, the gasket body is formed by compounding a central rubber layer and surface rubber layers arranged at two ends of the central rubber layer, and the hardness of each surface rubber layer is smaller than that of the central rubber layer.
Preferably, a buffer zone is formed between the first negative pressure cavity and the second negative pressure cavity or between two adjacent second negative pressure cavities; when the gasket main body is stressed by the force of the installation surface, the side wall of the linear groove can extend towards the extension direction of the side wall of the linear groove again, at the moment, the buffer area can form a protrusion similar to a fold shape, an opposite acting force is formed between the buffer area and the installation surface, the irregular part of the installation surface is filled, and the gasket main body is ensured not to be extruded and deformed greatly.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. the invention provides a rubber gasket for an automobile, wherein a negative pressure cavity consists of a plurality of negative pressure cavities, and the arrangement of the negative pressure cavities can greatly enhance the holding power of the end surfaces of the negative pressure cavities, avoid loosening and improve the buffering effect of the negative pressure cavities on parts;
2. the invention provides a rubber gasket for an automobile, wherein the upper end surface and the lower end surface of a gasket main body are respectively provided with a negative pressure chamber for forming a retaining force, so that the gasket cannot be loosened due to severe vibration generated during the work of the automobile; even if two parts are loosened, the gasket main body can be adsorbed on the mounting surface of any metal connecting piece due to the retaining force of the gasket main body, so that the gasket main body cannot be loosened, and the effects of preventing impact and abrasion can be achieved;
3. The invention provides a rubber gasket for an automobile, wherein a buffer area of the rubber gasket can form a wrinkle-like bulge when being subjected to external force, so that the friction force is increased, and irregular parts of the mounting surface can be further filled; because the buffer area greatly increases the friction force with the installation surface, the relative displacement generated between the buffer area and the installation surface can be greatly reduced, and the abrasion caused by friction is greatly reduced;
4. the invention provides a rubber gasket for an automobile, wherein a buffer area of the rubber gasket can form a bulge similar to a wrinkle when being subjected to external force, so that the buffer area has a certain supporting force; when the gasket main body performs a buffering function, the corrugated bulges can support the gasket main body and prevent the gasket main body from being extruded and deformed, so that the stability of the gasket main body is improved;
5. the invention provides a rubber gasket for an automobile, which is simple in structure, relatively simple in production method, low in cost and suitable for popularization and application, and can be integrally formed by extrusion.
Drawings
Fig. 1 is a schematic structural view of an end face of a gasket main body in embodiment 1 of the present invention;
FIG. 2 is a schematic view of the vacuum chamber and the mounting surface in accordance with example 1 of the present invention;
FIG. 3 is a schematic view 2 showing the cooperation of the negative pressure chamber and the mounting surface in embodiment 1 of the present invention;
FIG. 4 is a schematic view 3 showing the cooperation of the negative pressure chamber and the mounting surface in embodiment 1 of the present invention;
fig. 5 is a sectional view of a gasket main body in embodiment 1 of the invention.
Wherein: 1. an arc-shaped groove; 2. a linear groove; 3. an adhesive portion; 4. an elastic bulge; 5. a central rubber layer; 6. a face rubber layer; 7. a first negative pressure chamber; 8. a second negative pressure chamber; 9. a buffer area; 10. a bottom wall; 11. a side wall; 12. a mounting surface; 13. an installation area; 14. a gasket body.
Detailed Description
The invention is further described with reference to the following figures and examples:
example 1
Referring to fig. 1, an automotive rubber gasket includes a gasket main body 14 having a mounting area 13, a negative pressure chamber for forming a retaining force is disposed on both upper and lower end surfaces of the gasket main body 14, and the mounting area 13 is generally a through groove structure; when the negative pressure chamber is in contact with the mounting surface 12, external force is applied to discharge air in the negative pressure chamber, so that the gasket main body 14 can be firmly adsorbed to the mounting surface 12, abrasion between the gasket main body 14 and the mounting surface 12 is reduced, and stability is improved; in actual use, the lower end face of the gasket main body 14 is firstly mounted on the mounting surface of the first workpiece, pressure is applied to ensure that the gasket main body 14 is fixed on the mounting surface of the first workpiece, and the mounting surface of the second workpiece is mounted on the upper end face of the gasket main body 14 to realize mechanical sealing between the two workpieces.
The end face of the gasket main body 14 surrounds the mounting area 13, a plurality of linear grooves 2 are uniformly distributed along a radial circumference, a plurality of arc-shaped grooves 1 are formed along a circumferential direction, and the negative pressure chamber is composed of the linear grooves 2 and the arc-shaped grooves 1; the side wall 11 of the linear groove 2 extends obliquely to both sides thereof (here, both sides refer to both sides perpendicular to the longitudinal direction of the linear groove) and is integrally connected to the end face of the gasket main body 14; the linear groove 2 is perpendicular to the arc-shaped groove 1, so that the possibility of stress concentration generated when external force is applied is reduced.
The side wall 11 of the linear groove 2 is also provided with a bonding part 3, the end surface of the gasket main body 14 contacts with the installation surface 12, when the gasket main body is extruded under the action of external force, the side wall 11 of the linear groove 2 is bonded to the installation surface 12 in a non-bonding state in a stripping way, the bonding part 3 is bonded to the installation surface 12, and the length of the bonding part 3 is 1/2-2/3 of the length of the side wall 11 of the linear groove 2; the bonding part 3 is a flexible material with viscosity, and the flexible material with viscosity is bonded with the side wall 11 of the linear groove 2 in a smearing or extrusion forming mode.
The bonding portion 3 is disposed close to the bottom wall 10 of the linear groove 2, and the thickness of the bonding portion 3 is gradually reduced along the extending direction of the side wall 11 of the linear groove 2, when the negative pressure chamber of the gasket main body 14 generates natural air leakage without external force application, in general, the bottom wall 10 and the portion close to the bottom wall 10 are gradually restored, and at this time, the side of the bonding portion 3 close to the bottom wall 10 is thicker, and the adhesive force is stronger, so that the space between the gasket main body 14 and the mounting surface 12 is more stable; referring to fig. 2, when the lower surface of the bonding portion 3 is bonded to the sidewall 11 of the linear groove 2 and no external force is applied, the upper surface of the bonding portion 3 is inclined to the bottom wall 10 of the linear groove 2, so as to ensure that the bonding portion 3 does not contact the mounting surface 12 when no external force is applied; ensuring that the cross sections of the linear groove 2 and the bonding part 3 form a disc-shaped structure with an inwards concave bottom wall 10; an end of the bonding portion 3 away from the bottom wall 10 of the linear groove 2 is formed with an elastic protrusion 4 to ensure a contact area of the bonding portion 3 with the mounting surface 12 as small as possible.
The adjacent linear grooves 2 are not communicated or are communicated through arc-shaped grooves 1;
when two adjacent linear grooves 2 are communicated through the arc-shaped grooves 1, the two linear grooves 2 and the arc-shaped grooves 1 form a first negative pressure cavity 7; a plurality of first negative pressure cavities 7 are uniformly distributed around the mounting area 13 to ensure uniform adsorption of the first negative pressure cavities 7; when two adjacent linear grooves 2 are not communicated, a second negative pressure cavity 8 is formed by a single linear groove 2, and the first negative pressure cavity 7 and the second negative pressure cavity 8 form the negative pressure cavity; a buffer region 9 is formed between the first negative pressure cavity 7 and the second negative pressure cavity 8 or between the two adjacent second negative pressure cavities 8, and in this embodiment, the first negative pressure cavity 7 and the second negative pressure cavity 8 are arranged at an interval.
Referring to fig. 3, when the gasket main body 14 is pressed by the mounting surface 12, the sidewall 11 of the linear groove 2 extends again toward the extending direction of the sidewall 11, and the buffer area 9 forms a protrusion similar to a wrinkle, and forms an opposite acting force with the mounting surface 12, so as to fill the irregularities of the mounting surface 12 and ensure that the gasket main body 14 is not deformed greatly due to the extrusion.
Referring to fig. 5, the gasket body 14 is composed of a central rubber layer 5 and a surface rubber layer 6 disposed at both ends of the central rubber layer 5, the hardness of the surface rubber layer 6 is less than that of the central rubber layer 5, and various metal sheets may be interposed in the central rubber layer 5 to ensure the rigidity thereof.
In practical use, the specific working process of the linear groove 2 is as follows, firstly, the end part of the side wall 11 of the linear groove 2 is contacted with the mounting surface 12, then external force is applied to force air between the linear groove 2 and the mounting surface 12 to be discharged, so that the first negative pressure cavity 7 and the second negative pressure cavity 8 form the negative pressure cavity, and the gasket main body 14 can be firmly mounted on the mounting surface 12; wherein, the elastic bulge 4 of the bonding part 3 is contacted with the mounting surface 12 to ensure that a gap is formed between the linear groove 2 and the mounting surface 12; when the external force is continuously applied and most of the air in the gap is smoothly discharged, the bonding part 3 is contacted with the starting installation surface 12; when the gasket main body 14 is applied with a larger force, the residual air between the linear groove 2 and the mounting surface 12 can be discharged from the small gap between the bonding part 3 and the mounting surface 12, and finally the bonding part 3 fills the gap between the linear groove 2 and the mounting surface 12, as shown in fig. 4, at this time, the bottom wall 10 slightly protrudes toward the mounting surface 12 due to the difference between the internal pressure and the external pressure; since the side wall 11 of the linear groove 2 extends towards the extending direction of the side wall 11 under the condition of external application, a raised buffer zone 9 similar to a wrinkle shape is formed between the linear grooves 2 which are not communicated at the moment, the buffer zone 9 increases the friction force and further fills the irregularities of the mounting surface 12; buffer 9 is owing to receive the arch of extrusion formation, and when gasket main part 14 received external force and need cushioned, buffer 9 can protect center rubber layer 5, avoids center rubber layer 5 to receive the extrusion and warp to improve the stability of master gasket, reduce the impaired degree on center rubber layer 5, improve center rubber layer 5's wearability.
Example 2
In this embodiment, the structure is similar to that of embodiment 1, except that:
in this embodiment, the negative pressure chamber is composed of a first negative pressure cavity, a second negative pressure cavity and a third negative pressure cavity; when three adjacent linear grooves are communicated through the arc-shaped grooves, the three linear grooves and the arc-shaped grooves form a first negative pressure cavity; when the arc-shaped groove is not communicated with the linear groove, a single arc-shaped groove forms a third negative pressure cavity; in this embodiment, be equipped with two second negative pressure chambeies between two adjacent first negative pressure chambeies, third negative pressure chamber evenly distributed in the terminal surface of gasket main part.
Example 3
In this embodiment, the structure is similar to that of embodiment 1, except that:
in this embodiment, the negative pressure chamber is composed of a first negative pressure cavity, a second negative pressure cavity, a third negative pressure cavity and a fourth negative pressure cavity; when three adjacent linear grooves are communicated through the arc-shaped grooves, the three linear grooves and the arc-shaped grooves form a first negative pressure cavity; when the arc-shaped groove is not communicated with the linear groove, a single arc-shaped groove forms a third negative pressure cavity; when the single linear groove is communicated with the single arc-shaped groove in a crossing manner, the single linear groove and the single arc-shaped groove form a fourth negative pressure cavity.
In this embodiment, first negative pressure chamber, second negative pressure chamber and fourth negative pressure chamber set up at interval in proper order, third negative pressure chamber evenly distributed in the terminal surface of gasket main part.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the above-described embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The rubber gasket for the automobile is characterized by comprising a gasket main body (14) provided with a mounting area (13), wherein the upper end face and the lower end face of the gasket main body (14) are respectively provided with a negative pressure chamber for forming a retaining force; the end face of the gasket main body (14) surrounds the mounting area (13), a plurality of linear grooves (2) which are uniformly distributed are formed in the radial direction in a circle, a plurality of arc-shaped grooves (1) are formed in the circumferential direction, and the negative pressure chamber is composed of the linear grooves (2) and the arc-shaped grooves (1); the side wall (11) of the linear groove (2) extends towards the two sides of the linear groove in an inclined way and is integrally connected to the end surface of the gasket main body (14);
The adjacent linear grooves (2) are communicated through the arc-shaped grooves (1), and the linear grooves and the arc-shaped grooves (1) form a first negative pressure cavity (7); two adjacent linear grooves (2) are not communicated, and the two linear grooves (2) form a second negative pressure cavity (8); the first negative pressure cavity (7) and the second negative pressure cavity (8) form a negative pressure cavity;
the side wall (11) of the linear groove (2) is also provided with a bonding part (3), the end face of the gasket main body (14) is contacted with the mounting surface (12), when the gasket main body is extruded under the action of external force, the side wall (11) of the linear groove (2) is bonded on the mounting surface (12) in a non-bonding state in a stripping manner, and the bonding part (3) is bonded on the mounting surface (12).
2. Rubber gasket according to claim 1, wherein the linear groove (2) is arranged perpendicular to the arc-shaped groove (1).
3. The rubber gasket for vehicles as claimed in claim 1, wherein said adhesive portion (3) is disposed near the bottom wall (10) of said linear groove (2), and the thickness of the adhesive portion (3) becomes gradually thinner along the extension direction of the side wall (11) of the linear groove (2).
4. The rubber gasket for vehicle as claimed in claim 1, wherein the lower surface of the bonding portion (3) is bonded to the side wall (11) of the linear groove (2) and the upper surface of the bonding portion (3) is disposed obliquely to the bottom wall (10) of the linear groove (2) when no external force is applied.
5. The rubber gasket for vehicles as claimed in claim 1, wherein the adhesive portion (3) is formed with an elastic protrusion (4) at an end thereof remote from the bottom wall (10) of the linear groove (2).
6. The rubber gasket for automobile as claimed in claim 1, wherein said gasket body (14) is composed of a central rubber layer (5) and a face rubber layer (6) provided at both ends of the central rubber layer (5), said face rubber layer (6) having a hardness smaller than that of the central rubber layer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210389481.4A CN114483956B (en) | 2022-04-14 | 2022-04-14 | Rubber gasket for automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210389481.4A CN114483956B (en) | 2022-04-14 | 2022-04-14 | Rubber gasket for automobile |
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| CN114483956A CN114483956A (en) | 2022-05-13 |
| CN114483956B true CN114483956B (en) | 2022-06-28 |
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| CN202210389481.4A Active CN114483956B (en) | 2022-04-14 | 2022-04-14 | Rubber gasket for automobile |
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| WO2020018226A1 (en) * | 2018-07-19 | 2020-01-23 | Applied Materials, Inc. | Multinode multi-use o-ring and method for making a seal |
| CN212775587U (en) * | 2020-06-17 | 2021-03-23 | 上海赫鲁格精密橡胶有限公司 | Rubber ring structure for sealing water pump bearing |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006064030A (en) * | 2004-08-25 | 2006-03-09 | Nippon Valqua Ind Ltd | Seal member |
| JP2008275089A (en) * | 2007-05-01 | 2008-11-13 | Nok Corp | Seal ring and its manufacturing method |
| JP5228728B2 (en) * | 2008-09-12 | 2013-07-03 | 住友電装株式会社 | Seal structure and seal ring |
| CN203532731U (en) * | 2013-10-25 | 2014-04-09 | 长泰鑫润橡塑有限公司 | Rubber seal ring |
| CN209245223U (en) * | 2018-12-27 | 2019-08-13 | 东莞市思齐橡胶技术有限公司 | A kind of EPDM rubber sealing ring of the ultralow compression set of high temperature resistant |
| CN212080134U (en) * | 2020-05-15 | 2020-12-04 | 泰州市欧克尔粉末合金制造有限公司 | Copper-based alloy stamping gasket with wear-resisting function |
| CN213017700U (en) * | 2020-07-09 | 2021-04-20 | 无锡耐特密封科技有限公司 | Prevent cracked hydraulic seal circle |
| CN215110488U (en) * | 2021-07-26 | 2021-12-10 | 深圳市诺德斯特科技有限公司 | Low-volatilization high-resilience silica gel gasket |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020018226A1 (en) * | 2018-07-19 | 2020-01-23 | Applied Materials, Inc. | Multinode multi-use o-ring and method for making a seal |
| CN212775587U (en) * | 2020-06-17 | 2021-03-23 | 上海赫鲁格精密橡胶有限公司 | Rubber ring structure for sealing water pump bearing |
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