Sealing gasket with good buffering effect

Abstract

The utility model relates to the technical field of sealing gaskets, in particular to a sealing gasket with a good buffering effect, which comprises a silicon rubber gasket, a plastic sleeve is slidably mounted in the silicon rubber gasket, the middle of the silicon rubber gasket is connected by a connecting silica gel layer, and a layered structure is arranged between the connecting silica gel layer and the silicon rubber gasket. Through the layered structure, the impact force generated by equipment operation, pipeline thermal expansion and cold contraction and pressure change is reduced, and the unloading force of the impact force is improved. According to the sealing gasket with the good buffering effect, after the sealing gasket is installed, the two ends of a pipeline can be attached to the outer surface of the first rubber gasket and the outer surface of the second rubber gasket correspondingly, when impact force is generated between the pipelines, the silicone rubber gaskets can get close to each other, and the impact force generated between the pipelines can be relieved through deformation of the elastic blocks; and the elastic block is limited and the buffering force is improved through the connecting silica gel layer, so that the force unloading buffering effect of the sealing gasket can be better.

Description

TECHNICAL FIELD

[0001] The utility model relates to sealing gasket technical field, specifically is a kind of sealing gasket with good buffering effect. BACKGROUND

[0002] Sealing material is a kind of sealing spare part used in fluid places such as machinery, equipment, pipeline, etc., which is a material for sealing the connection, and the application of sealing gasket is also very wide, mainly used in machinery, building, automobile, electronics and other industries, commonly used for sealing connection between pipelines, sealing connection between parts of machine equipment, and can be divided into metal sealing material and non-metal sealing material according to material, the metal material includes copper gasket, stainless steel gasket, etc., and the non-metal material includes asbestos gasket, paper gasket, rubber gasket, etc., which plays a very important role in modern industry and daily life, and the sealing gasket has certain defects in the use process between pipeline connection and device parts, because of the stress generated by the change of fluid pressure in pipeline and the thermal expansion and cold contraction of pipeline, the vibration and impact force generated during equipment operation, and the unloading of impact force when connecting between pressure vessel pipelines. SUMMARY

[0003] The utility model discloses a kind of sealing gaskets with good buffering effect, to solve the problem that the vibration and impact force generated during operation due to thermal expansion and cold contraction between pipelines, pressure change in the above background technology is not good in unloading.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of sealing gasket with good buffering effect, including silicon rubber gasket, plastic sleeve is slidably installed in the inside of the silicon rubber gasket, and the side surface of plastic sleeve is attached with the outer surface of silicon rubber gasket, the middle of the silicon rubber gasket is connected by connecting silica gel layer, and layered structure is arranged between connecting silica gel layer and silicon rubber gasket, impact force generated by equipment operation, pipeline thermal expansion and cold contraction and pressure change is reduced by layered structure, and the unloading of impact force is improved.

[0005] Preferably, the layered structure includes: elastic block, the elastic block is evenly arranged between silicon rubber gasket, and there is a gap between silicon rubber gasket and elastic block, the side surface of connecting silica gel layer is attached with the outer surface of plastic sleeve, and the plastic sleeve and silicon rubber gasket are concentric design.

[0006] By the arrangement of elastic block, connecting silica gel layer and silicon rubber gasket, the impact force generated between sealing pipelines can be unloaded by elastic block after silicon rubber gasket is stressed, and the unloading can be carried out by connecting silica gel layer, so that the unloading effect can be improved.

[0007] Preferably, the outer surface of one end of the plastic sleeve is embedded with a first rubber pad, and the outer surface of the first rubber pad is uniformly provided with second anti-skid convex grooves, and the second anti-skid convex grooves are concentrically designed with the silica rubber pad, and the outer surface of one end of the plastic sleeve is attached to the inner wall of the pipeline.

[0008] The material of the first rubber pad can improve the wear resistance between the pipeline and the first rubber pad, and can disperse the force generated at one end of the pipeline, so that the silica rubber pad does not deform excessively when the pipeline is unloaded, thereby affecting the sealing performance. The second anti-skid convex grooves can improve the anti-skid performance of the first rubber pad, and the plastic sleeve can be inserted into the pipeline on the other side, facilitating the positioning and insertion of the plastic sleeve.

[0009] Preferably, the outer surface of one end of the plastic sleeve is embedded with a first rubber pad, and the outer surface of the first rubber pad is uniformly provided with second anti-skid convex grooves, and the second anti-skid convex grooves are concentrically designed with the silica rubber pad, and the outer surface of one end of the plastic sleeve is attached to the inner wall of the pipeline.

[0010] The first anti-skid concave groove can improve the anti-skid performance of the pipeline on the other end and form multiple seals, and when impact force is generated between the pipelines, the second rubber pad will slightly displace along the outer surface of the plastic sleeve, limiting the first rubber pad through the plastic sleeve.

[0011] Preferably, the outer surface of the second rubber pad is fixedly provided with a first guide pad, the outer surface of the first guide pad is attached to the outer surface of the plastic sleeve, and the plastic sleeve, the first guide pad, and the first anti-skid concave groove are concentrically designed, and the outer surface of the first rubber pad is provided with a second guide pad at the connection with the plastic sleeve, and the second guide pad is designed to be inclined.

[0012] The first guide pad and the second guide pad can align the sealing pad with the pipeline, improving the sealing performance after the pad and the pipeline are pressed against each other.

[0013] Preferably, the outer surface of one end of the plastic sleeve is embedded with a first rubber pad, and the outer surface of the first rubber pad is uniformly provided with second anti-skid convex grooves, and the second anti-skid convex grooves are concentrically designed with the silica rubber pad, and the outer surface of one end of the plastic sleeve is attached to the inner wall of the pipeline.

[0014] The first guide pad and the second guide pad can align the sealing pad with the pipeline, improving the sealing performance after the pad and the pipeline are pressed against each other.

[0015] Preferably, the outer surface of one end of the plastic sleeve is embedded with a first rubber pad, and the outer surface of the first rubber pad is uniformly provided with second anti-skid convex grooves, and the second anti-skid convex grooves are concentrically designed with the silica rubber pad, and the outer surface of one end of the plastic sleeve is attached to the inner wall of the pipeline.

[0016] Adopting the technical scheme, the friction force when the silicone rubber gasket and the first rubber pad and the second rubber pad contact can be increased, the first rubber pad and the second rubber pad are not prone to sliding displacement during use, the silicone rubber gasket, the first rubber pad and the second rubber pad can be better fitted, and the sealing performance can be improved.

[0017] Compared with the prior art, the sealing gasket has the beneficial effects that:

[0018] 1. After the sealing gasket is installed, the two ends of the pipeline will be attached to the outer surfaces of the first rubber pad and the second rubber pad, respectively, and when an impact force is generated between the pipelines, the silicone rubber gaskets will approach each other, and the impact force generated between the pipelines can be unloaded through the deformation of the elastic blocks, and the elastic blocks are limited and the buffering force is improved through the connecting silica gel layer, so that the unloading buffering effect of the sealing gasket can be better.

[0019] 2. The plastic sleeve is inserted into the inside of the pipeline, the sealing gasket as a whole can be inserted and positioned through the plastic sleeve, and the stress area when the outer wall of the pipeline, the first rubber pad and the second rubber pad contact can be increased through the arrangement of the first rubber pad and the second rubber pad, so that the relatively soft silicone rubber gasket can be uniformly stressed to improve the unloading buffering effect.

[0020] 3. Through the design of the first guide pad and the second guide pad, the first rubber pad and the second rubber pad can be guided when the sealing gasket is installed between the pipelines, and the sealing property between the pipeline and the first rubber pad and the second rubber pad is improved, and through the arrangement of the first anti-skid groove and the second anti-skid convex groove, the anti-skid property between the pipeline and the first rubber pad and the second rubber pad is improved, and multiple seals can be formed to improve the sealing property.

[0021] 4. Through the sealing groove formed in the outer surface of the silicone rubber gasket and the convex circle formed in the outer surface of the second rubber pad, the convex circle can be clamped with the sealing groove to improve the sealing property between the silicone rubber gasket and the second rubber pad, and through the rough surface arranged on the outer surfaces of the two sides of the silicone rubber gasket, the microscopic unevenness between the silicone rubber gasket and the first rubber pad and the second rubber pad can be filled, the silicone rubber gasket, the first rubber pad and the second rubber pad can be more closely fitted, and the sealing property between the first rubber pad, the second rubber pad and the silicone rubber gasket can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a three-dimensional structure schematic view of the silicone rubber gasket and the elastic block of the utility model;

[0023] Figure 2 It is an explosion three-dimensional structure schematic view of the first rubber pad and the second rubber pad of the utility model;

[0024] Figure 3 It is sectional view three-dimensional structure schematic view of the second rubber gasket and the first rubber gasket of the utility model;

[0025] Figure 4 It is sectional view three-dimensional structure schematic view of the plastic sleeve and the first rubber gasket of the utility model;

[0026] Figure 5 It is sectional view three-dimensional structure schematic view of the silicon rubber gasket and the convex circle of the utility model;

[0027] Figure 6 It is sectional view three-dimensional structure schematic view of the first guide pad and the second guide pad of the utility model.

[0028] In the drawing: 1, silicon rubber gasket;2, plastic sleeve;3, first rubber gasket;4, second rubber gasket;5, first anti-skid groove;6, first guide pad;7, second anti-skid convex groove;8, second guide pad;9, convex circle;10, sealing groove;11, elastic block;12, rough surface;13, connecting silica gel layer. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a sealing gasket with good buffering effect, including silicon rubber gasket 1, plastic sleeve 2 is slidably installed in the inside of silicon rubber gasket 1, and the side surface of plastic sleeve 2 is attached with the outer surface of silicon rubber gasket 1, the middle of silicon rubber gasket 1 is connected by connecting silica gel layer 13, and layered structure is provided between connecting silica gel layer 13 and silicon rubber gasket 1, impact force generated by equipment operation, pipeline thermal expansion and contraction and pressure change is reduced by layered structure, impact force is improved to unload, layered structure includes: elastic block 11, elastic block 11 is evenly arranged between silicon rubber gasket 1, and there is gap between silicon rubber gasket 1 and elastic block 11, the side surface of connecting silica gel layer 13 is attached with the outer surface of plastic sleeve 2, plastic sleeve 2 and silicon rubber gasket 1 are concentric design.

[0031] When the pipeline is impacted due to impact force, thermal expansion and contraction, pressure and the like, the pipeline can be relieved due to the material properties of the silicone rubber gasket 1 and the elastic block 11, and the elastic block 11 can be deformed greatly when stressed, and the silicone rubber gasket 1 and the second rubber gasket 4 are not easily deformed due to the arrangement of the plastic sleeve 2, the connection of the silicone layer 13 to the elastic block 11 improves the buffering force of the sealing gasket as a whole, and the unloading buffering effect of the sealing gasket is better.

[0032] The outer surface of one end of the plastic sleeve 2 is embedded with the first rubber gasket 3, the outer surface of the first rubber gasket 3 is uniformly provided with the second anti-skid convex groove 7, and the second anti-skid convex groove 7 is concentrically designed with the silicone rubber gasket 1, the outer surface of one end of the plastic sleeve 2 is attached to the inner wall of the pipeline, and the end of the silicone rubber gasket 1 away from the first rubber gasket 3 is provided with the second rubber gasket 4, and the outer surface of the second rubber gasket 4 is uniformly provided with the first anti-skid groove 5.

[0033] The arrangement of the plastic sleeve 2 allows one end of the sealing gasket to be inserted into the pipeline, facilitating the insertion and positioning of the sealing gasket as a whole, and the arrangement of the first rubber gasket 3 and the second rubber gasket 4 improves the wear resistance of the contact surface between the pipeline and the first rubber gasket 3 and the second rubber gasket 4, prolonging the service life of the sealing gasket, and the force conducted by the pipeline to the outer surface of the silicone rubber gasket 1 is dispersed through the first rubber gasket 3 and the second rubber gasket 4, so that the sealing effect of the silicone rubber gasket 1 is not affected, and the unloading buffering effect is better.

[0034] The outer surface of the second rubber gasket 4 is fixedly provided with the first guide pad 6, the outer surface of the first guide pad 6 is attached to the outer surface of the plastic sleeve 2, and the plastic sleeve 2, the first guide pad 6 and the first anti-skid groove 5 are concentrically designed, the outer surface of the first rubber gasket 3 is provided with the second guide pad 8 at the connection with the plastic sleeve 2, and the second guide pad 8 is inclined.

[0035] The second guide pad 8 provided on the outer surface of the first rubber gasket 3 and the first guide pad 6 provided on the outer surface of the second rubber gasket 4 allow the sealing gasket to be automatically aligned with the inner wall of the pipeline when the sealing gasket is installed and fixed in the pipeline, and improve the sealing performance between the pipeline and the sealing gasket.

[0036] The outer surface of one end of the second rubber gasket 4 close to the silicone rubber gasket 1 is provided with the protruding ring 9, and the protruding ring 9 is concentrically designed with the second rubber gasket 4, the outer surface of one side of the silicone rubber gasket 1 is provided with the sealing groove 10, and the outer surface of the sealing groove 10 is attached to the outer surface of the protruding ring 9.

[0037] The second anti-skid convex groove 7 arranged on the outer surface of the first rubber pad 3 and the first anti-skid concave groove 5 arranged on the outer edge of the second rubber pad 4 can improve the anti-skid property between the first rubber pad 3 and the second rubber pad 4 and the pipeline, and the first anti-skid concave groove 5 and the second anti-skid convex groove 7 can form multiple sealing cavities to improve the sealing property between the pipeline and the first rubber pad 3 and the second rubber pad 4, and the sealing property between the silicone rubber gasket 1 and the second rubber pad 4 can be improved by the engagement between the convex ring 9 on the outer surface of the second rubber pad 4 and the sealing concave groove 10 on the outer surface of the silicone rubber gasket 1.

[0038] The outer surfaces of the two sides of the silicone rubber gasket 1 are designed as rough surfaces 12, and the rough surfaces 12 are respectively attached to the outer surfaces of the first rubber pad 3 and the second rubber pad 4.

[0039] The rough surfaces 12 arranged on the outer surfaces of the two sides of the silicone rubber gasket 1 can improve the friction between the silicone rubber gasket 1 and the first rubber pad 3 and the second rubber pad 4, so that the first rubber pad 3, the second rubber pad 4 and the silicone rubber gasket 1 are not easy to slip when used together, and the rough surfaces 12 can fill the micro-unevenness between the silicone rubber gasket 1, the first rubber pad 3 and the second rubber pad 4, so that the silicone rubber gasket 1, the first rubber pad 3 and the second rubber pad 4 can be attached more closely, and the sealing property between the silicone rubber gasket 1, the first rubber pad 3 and the second rubber pad 4 is improved.

[0040] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A sealing gasket with good cushioning effect, comprising a silicone rubber gasket (1), wherein a plastic sleeve (2) is slidably installed inside the silicone rubber gasket (1), and the side surface of the plastic sleeve (2) is in contact with the outer surface of the silicone rubber gasket (1), characterized in that: The middle of the silicone rubber gasket (1) is connected by a connecting silica gel layer (13), and a layered structure is arranged between the connecting silica gel layer (13) and the silicone rubber gasket (1), which reduces the impact force generated by equipment operation, pipeline thermal expansion and contraction and pressure change, and improves the unloading of impact force.

2. The gasket with improved cushioning effect according to claim 1, wherein: The layered structure comprises: elastic blocks (11) uniformly arranged between the silicone rubber gaskets (1), and gaps are left between the silicone rubber gaskets (1) and the elastic blocks (11), the side surface of the connecting silica gel layer (13) is attached to the outer surface of the plastic sleeve (2), and the plastic sleeve (2) and the silicone rubber gasket (1) are concentrically designed.

3. The gasket with improved cushioning effect according to claim 1, wherein: The outer surface of one end of the plastic sleeve (2) is embedded with a first rubber pad (3), the outer surface of the first rubber pad (3) is uniformly provided with a second anti-skid groove (7), and the second anti-skid groove (7) and the silicone rubber gasket (1) are concentrically designed, and the outer surface of one end of the plastic sleeve (2) is attached to the inner wall of the pipeline.

4. The gasket of claim 1, wherein: The end of the silicone rubber gasket (1) away from the first rubber pad (3) is provided with a second rubber pad (4), and the outer surface of the second rubber pad (4) is uniformly provided with a first anti-skid groove (5).

5. The gasket of claim 4, wherein: The outer surface of the second rubber pad (4) is fixedly provided with a first guide pad (6), the outer surface of the first guide pad (6) is attached to the outer surface of the plastic sleeve (2), and the plastic sleeve (2) and the first guide pad (6), the first anti-skid groove (5) are concentrically designed, and the outer surface of the first rubber pad (3) is provided with a second guide pad (8) at the connection with the plastic sleeve (2), and the second guide pad (8) is inclined.

6. The gasket with improved cushioning effect according to claim 4, wherein: The outer surface of one end of the second rubber pad (4) close to the silicone rubber gasket (1) is provided with a protruding ring (9), and the protruding ring (9) and the second rubber pad (4) are concentrically designed, and the outer surface of one side of the silicone rubber gasket (1) is provided with a sealing groove (10), and the outer surface of the sealing groove (10) is attached to the outer surface of the protruding ring (9).

7. The gasket of claim 1, wherein: The outer surfaces of the two sides of the silicone rubber gasket (1) are designed as rough surfaces (12), and the rough surfaces (12) are respectively attached to the outer surfaces of the first rubber pad (3) and the second rubber pad (4).

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