Nylon gasket with good sealing performance

Abstract

The utility model relates to the field of nylon gaskets with good sealing performance, and discloses a nylon gasket with good sealing performance, which comprises a main gasket, the top side of the main gasket is fixedly connected with a fixing block, the top side of the fixing block is fixedly connected with a combination block, the top side of the main gasket is provided with an auxiliary gasket, and the auxiliary gasket is provided with a sealing ring. A second fixing groove and a combination groove are formed in the inner wall of the bottom side of the auxiliary gasket, a first fixing groove is formed in the inner wall of the auxiliary gasket, a limiting groove is formed in the inner wall of the middle end of the auxiliary gasket, and a fixing ring is arranged at the middle end of the auxiliary gasket. Compared with the prior art, the bolt has good wrapping performance, the nylon gasket has good abrasion resistance and self-lubricating performance, friction and abrasion between the bolt and a connecting piece can be reduced, the service life of equipment is prolonged, the bolt has good bearing capacity, impact and noise generated by vibration can be effectively reduced, and the service life of the equipment is prolonged. And the effects of protecting equipment and reducing noise are achieved.

Description

Technical Field

[0001] The utility model relates to the field of nylon gaskets with good sealing performance, in particular to a nylon gasket with good sealing performance. Background Art

[0002] With the development of modern industry, especially petrochemical industry, atomic energy industry and large power stations, pressure vessels are developing towards high temperature, high pressure, high vacuum, deep cold and large scale, which puts forward new requirements for gasket sealing. The technical development of nylon gaskets is closely related to the development of pressure vessels, and its application range is becoming wider and wider. Great progress has been made in the research of gasket sealing technology.

[0003] In the existing technology, due to the lack of good wrapping, non-metallic gaskets with higher strength are better at maintaining the bolt preload. Poor wrapping may cause the bolt preload to decrease, thereby affecting the stability and sealing of the connection. At the same time, due to the lack of good bearing capacity, insufficient bearing capacity will lead to a decrease in connection strength, and it will be unable to withstand the predetermined working pressure or mechanical load, which may cause the connector to loosen or break, and it cannot effectively disperse or absorb pressure, resulting in increased direct contact between the connecting parts, thereby increasing wear.

[0004] In this regard, in order to address this technical problem, the present application proposes a nylon gasket with good sealing performance. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a nylon gasket with good sealing performance, good wrapping performance, good wear resistance and self-lubrication, which can reduce the friction and wear between the bolts and the connecting parts, extend the service life of the equipment, have good bearing capacity, and can more effectively reduce the impact and noise caused by shock and vibration, thereby protecting the equipment and reducing noise.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A nylon gasket with good sealing performance includes a main gasket, the top side of the main gasket is fixedly connected to a fixed block, the top side of the fixed block is fixedly connected to a combination block, the top side of the main gasket is provided with a secondary gasket, the bottom side inner wall of the secondary gasket is respectively provided with a fixing groove 2 and a combination groove, the inner wall of the secondary gasket is provided with a fixing groove 1, the middle end inner wall of the secondary gasket is provided with a limiting groove, and the middle end of the secondary gasket is provided with a fixing ring.

[0008] Furthermore, a limiting block is provided on the outer wall of the fixing ring, the outer wall of the limiting block is provided on the inner wall of the limiting groove, and the bottom side of the limiting block is provided on the inner wall of the fixing groove 1.

[0009] Further, the top side outer wall of the fixed block is arranged in the inner wall of the fixed groove two, and the top side inner wall of the combined block is arranged in the inner wall of the combined groove.

[0010] Further, the inner wall of the fixed ring is provided with a sealing strip.

[0011] Further, the inner wall of the main gasket and the secondary gasket is provided with a bolt, and the bolt penetrates the main gasket and the secondary gasket.

[0012] Further, the sealing strip is in contact with the surface of the bolt.

[0013] The utility model has the advantages of the following:

[0014] 1. The utility model discloses a nylon gasket with good wrapping property, good wear resistance and self-lubricating property, which can reduce the friction and wear between the bolt and the connecting piece, prolong the service life of the equipment, absorb vibration and reduce noise, reduce the impact and noise caused by vibration and shock, and protect the equipment and reduce noise.

[0015] 2. The utility model discloses a nylon gasket with good bearing capacity, which can effectively reduce the impact and noise caused by vibration and shock, protect the equipment and reduce noise, improve the cooperation between components, increase the stability and bearing capacity of the structure, effectively reduce vibration and noise, and improve the working efficiency and quality of the mechanical equipment. DRAWINGS

[0016] Figure 1 A perspective view of the nylon gasket with good sealing property is provided.

[0017] Figure 2 A secondary gasket structure diagram of the nylon gasket with good sealing property is provided.

[0018] Figure 3 A sealing strip structure diagram of the nylon gasket with good sealing property is provided.

[0019] Figure 4 A fixed block structure diagram of the nylon gasket with good sealing property is provided.

[0020] Figure 5 A bolt structure diagram of the nylon gasket with good sealing property is provided.

[0021] LEGEND:

[0022] 1, main gasket; 2, secondary gasket; 3, bolt; 4, fixed block; 5, fixed groove one; 6, limiting groove; 7, fixed ring; 8, limiting block; 9, sealing strip; 10, combination block; 11, fixed groove two; 12, combination groove. DETAILED DESCRIPTION

[0023] 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 belong to the protection scope of the utility model.

[0024] Referring to Figures 1-3 An embodiment provided by the utility model: a nylon gasket with good sealing performance, comprising a main gasket 1, the top side of the main gasket 1 is fixedly connected with a fixed block 4, the top side of the fixed block 4 is fixedly connected with a combination block 10, the top side of the main gasket 1 is provided with a secondary gasket 2, the inner wall of the bottom side of the secondary gasket 2 is respectively provided with a fixed groove two 11 and a combination groove 12, the fixed block 4 on the top side of the main gasket 1 is inserted into the inner wall of the fixed groove two 11, after the insertion of the fixed block 4, because the top side of the fixed block 4 is fixedly connected with 110, so the combination block 10 is also inserted into the inner wall of the combination groove 12 at the same time of the insertion of the fixed block 4, the fixed block 4 ensures that the secondary gasket 2 and the main gasket 1 realize preliminary positioning, the combination block 10 and the combination groove 12 ensure that the secondary gasket 2 and the main gasket 1 are more stable, the bearing capacity is improved by combining the main gasket 1 and the secondary gasket 2, the impact and noise generated by vibration and vibration can be more effectively reduced, the equipment is protected and the noise is reduced, the cooperation degree between components can be improved, the stability and bearing capacity of the structure can be increased, vibration and noise can be more effectively reduced, the working efficiency and quality of mechanical equipment are improved, the inner wall of the secondary gasket 2 is provided with a fixed groove one 5, the inner wall of the middle end of the secondary gasket 2 is provided with a limiting groove 6, the middle end of the secondary gasket 2 is provided with a fixed ring 7, the limiting block 8 of the outer wall of the fixed ring 7 is inserted into the inner wall of the limiting groove 6, because the inner wall of the secondary gasket 2 is provided with the limiting groove 6, so after the insertion of the limiting groove 6, the fixed ring 7 is rotated along the inner wall of the fixed groove one 5, then the bolt 3 is inserted into the inner wall of the secondary gasket 2 and the main gasket 1, after the insertion, the front end of the bolt 3 will pressurize the sealing strip 9, the sealing strip 9 is pressurized in the direction of the insertion of the bolt 3, finally the wrapping of the bolt 3 is realized, the nylon gasket has good wear resistance and self-lubricity, the friction and wear between the bolt and the connecting piece can be reduced, the service life of the equipment is prolonged, the nylon gasket can absorb vibration and reduce noise, reduce the impact and noise generated by vibration and vibration, protect the equipment and reduce the noise, and better sealing performance can also be provided.

[0025] Reference Figures 3-5 A limiting block 8 is provided on the outer wall of the fixing ring 7, the outer wall of the limiting block 8 is provided on the inner wall of the limiting groove 6, the bottom side of the limiting block 8 is provided on the inner wall of the fixing groove 1 5, the top outer wall of the fixing block 4 is provided in the inner wall of the fixing groove 2 11, the top inner wall of the combination block 10 is provided on the inner wall of the combination groove 12, a sealing strip 9 is provided on the middle end of the inner wall of the fixing ring 7, and bolts 3 are provided on the inner walls of the main gasket 1 and the auxiliary gasket 2. The bolts 3 pass through the main gasket 1 and the auxiliary gasket 2, and the sealing strip 9 contacts the surface of the bolt 3.

[0026] Working principle: First, insert the fixing block 4 on the top side of the main gasket 1 into the inner wall of the fixing groove 11, and then insert the fixing block 4. After the fixing block 4 is inserted, because the top side of the fixing block 4 is fixedly connected with 110, the combination block 10 is also inserted into the inner wall of the combination groove 12 when the fixing block 4 is inserted. The fixing block 4 ensures that the auxiliary gasket 2 and the main gasket 1 are initially positioned. The combination block 10 and the combination groove 12 ensure that the fixation of the auxiliary gasket 2 and the main gasket 1 is more stable. Then, the limiting block 8 on the outer wall of the fixing ring 7 is inserted into the inner wall of the limiting groove 6. Because the inner wall of the auxiliary gasket 2 is provided with a limiting groove 6, after inserting the inner wall of the limiting groove 6, the fixing ring 7 is rotated along the inner wall of the fixing groove 1 5, and then the bolt 3 is inserted into the inner wall of the auxiliary gasket 2 and the main gasket 1. After insertion, the front end of the bolt 3 will pressurize the sealing strip 9, so that the sealing strip 9 is pressurized in the direction of inserting the bolt 3, and finally the bolt 3 is wrapped.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A nylon gasket with good sealing property comprising a main gasket (1), characterized in that: The top side of the main gasket (1) is fixedly connected with a fixed block (4), the top side of the fixed block (4) is fixedly connected with a combination block (10), the top side of the main gasket (1) is provided with a secondary gasket (2), the inner wall of the bottom side of the secondary gasket (2) is respectively provided with a fixed groove two (11) and a combination groove (12), the inner wall of the secondary gasket (2) is provided with a fixed groove one (5), the inner wall of the middle end of the secondary gasket (2) is provided with a limiting groove (6), and the middle end of the secondary gasket (2) is provided with a fixed ring (7).

2. The nylon gasket of claim 1, wherein: The outer wall of the fixed ring (7) is provided with a limiting block (8), the outer wall of the limiting block (8) is arranged on the inner wall of the limiting groove (6), and the bottom side of the limiting block (8) is arranged on the inner wall of the fixed groove one (5).

3. The gasket of claim 1 wherein: The top side outer wall of the fixed block (4) is arranged in the inner wall of the fixed groove two (11), and the top side inner wall of the combination block (10) is arranged in the inner wall of the combination groove (12).

4. The gasket of claim 1 wherein: The inner wall of the fixed ring (7) is provided with a sealing strip (9).

5. The gasket of claim 1 wherein: The inner walls of the main gasket (1) and the secondary gasket (2) are provided with bolts (3), and the bolts (3) penetrate the main gasket (1) and the secondary gasket (2).

6. The gasket of claim 4 wherein: The sealing strip (9) is in contact with the surface of the bolt (3).

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