Novel high-pressure-resistant shock absorber oil seal

Abstract

The utility model relates to the technical field of automobile shock absorber parts, and discloses a novel high-pressure-resistant shock absorber oil seal which comprises an oil seal body, a through hole is formed in the middle of the upper end face of the oil seal body, sealing assemblies are fixedly arranged on the two sides of the lower end face of the through hole, and a fastening spring is embedded in the upper portion of the interior of the through hole. A framework ring is fixedly arranged in the sealing assembly, the oil seal body comprises a base layer, a high-pressure-resistant layer is fixedly arranged on the inner side of the base layer, a lubricating layer is fixedly arranged on the inner side of the high-pressure-resistant layer, a reinforcing layer is fixedly arranged on the outer side of the base layer, and a sealing layer is fixedly arranged on the outer side of the reinforcing layer. A protective layer is fixedly arranged on the outer side of the sealing layer, and the two sealing assemblies comprise two sealing gaskets, two extrusion grooves and two extrusion blocks. According to the oil seal, the oil seal body has high sealing performance during connection, the high-pressure resistance degree and strength of the oil seal body are improved, and the service life of the oil seal body is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile shock absorber parts, in particular to a novel high-pressure resistant shock absorber oil seal. Background Art

[0002] The automobile shock absorber oil seal is an important component. It is located on the piston rod of the shock absorber. Its main function is to prevent the liquid inside the shock absorber from leaking out, and to prevent dust and dirt from entering the shock absorber, thereby protecting the normal operation of the shock absorber. Although the shock absorber oil seal is not conspicuous in the vehicle, its role is crucial to the vehicle's driving comfort and the stability of the suspension system.

[0003] The existing oil seal is connected and fixed on the piston rod and the pipe inside the shock absorber to protect the shock absorber. However, the high pressure during use can easily cause damage to the oil seal, and the insufficient strength makes it easy to suffer from wear, resulting in a short service life of the oil seal.

[0004] Therefore, the utility model provides a novel high-pressure resistant shock absorber oil seal to solve the problems raised in the above background technology. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a novel high-pressure resistant shock absorber oil seal, which improves the sealing performance of the connection between the automobile shock absorber pipeline and the piston rod, improves the sealing effect, and improves the high-pressure resistance effect of the oil seal body, increases lubricity to reduce friction and wear, improves strength and rigidity, improves the sealing performance of the oil seal body, increases the hardness and wear resistance of the surface of the oil seal body, and reduces wear.

[0006] To achieve the above object, the utility model provides the following technical solutions: a novel high-pressure shock absorber oil seal, comprising an oil seal body, a through hole is opened in the middle of the upper end surface of the oil seal body, sealing components are fixedly arranged on both sides of the lower end surface of the through hole, a fastening spring is embedded in the upper part of the through hole, and a skeleton ring is fixedly arranged inside the oil seal body;

[0007] The oil seal body comprises a base layer, a high pressure resistant layer is fixedly arranged on the inner side of the base layer, a lubricating layer is fixedly arranged on the inner side of the high pressure resistant layer, a reinforcing layer is fixedly arranged on the outer side of the base layer, a sealing layer is fixedly arranged on the outer side of the reinforcing layer, and a protective layer is fixedly arranged on the outer side of the sealing layer;

[0008] The two sealing assemblies include two sealing pads, two extrusion grooves and two extrusion blocks, an extrusion plate is fixedly arranged in the middle of the opposite sides of the two extrusion blocks, and a strong spring is fixedly arranged inside the two extrusion grooves;

[0009] Through the above technical solution, the through hole is provided in the middle of the upper end surface of the oil seal body, so that the tightening spring on the upper side of the through hole fixes the piston rod, and the sealing components on both sides below the through hole seal the pipeline, thereby improving the sealing performance of the oil seal body, and the skeleton ring provided inside the oil seal body improves the overall support and prevents tilting;

[0010] By setting the base layer in the oil seal body, the high-pressure resistant layer on the inner side of the base layer can stably operate under high pressure, the lubricity can be increased by the lubricating layer on the inner side of the high-pressure resistant layer, and the friction and wear can be reduced, the strength and rigidity of the oil seal body can be enhanced by the reinforcing layer on the outer side of the base layer, and its durability can be improved, the sealing performance of the oil seal body can be improved by the sealing layer on the outer side of the reinforcing layer, and the hardness and wear resistance of the surface of the oil seal body can be increased by the protective layer on the outer side of the sealing layer, and the wear can be reduced;

[0011] The extrusion block in the sealing component is squeezed to drive the extrusion plate to slide inside the extrusion groove, and the strong spring inside the extrusion groove is squeezed to make the pipe clamp connected to the sealing gasket, thereby improving the sealing performance of the automobile shock absorber pipeline, and the piston rod is fixed when it is placed in the through hole by tightening the spring, so that the sealing effect is improved when the piston rod moves in the pipeline.

[0012] Furthermore, the material used for the high pressure resistant layer is graphite, and the material used for the lubricating layer is polytetrafluoroethylene;

[0013] Through the above technical solution, graphite has excellent self-lubricating properties and can operate stably under high pressure, thereby improving the high pressure resistance of the oil seal body. Polytetrafluoroethylene is used to increase lubricity and reduce friction and wear.

[0014] Furthermore, the material used for the reinforcement layer is carbon fiber, and the material used for the sealing layer is copper powder;

[0015] Through the above technical solution, carbon fiber is used to enhance the strength and rigidity of the oil seal body and improve its durability, and copper powder can enhance the thermal conductivity and electrical conductivity of the oil seal body and improve the sealing performance.

[0016] Furthermore, the material used for the protective layer is ceramic particles;

[0017] Through the above technical solution, ceramic particles are used to increase the hardness and wear resistance of the surface of the oil seal body and reduce wear.

[0018] Furthermore, the two extrusion plates are respectively slidably sleeved inside the two extrusion grooves, and the two strong springs are respectively fixedly connected to the two extrusion plates;

[0019] Through the above technical solution, the extrusion plate slides in the extrusion groove to facilitate the extrusion of the strong spring fixedly connected to the extrusion plate to produce rebound.

[0020] Furthermore, the two extrusion blocks are respectively arranged on both sides of the two sealing pads;

[0021] Through the above technical solution, the extrusion block penetrates both sides of the sealing gasket, which is convenient for clamping and fixing during sealing.

[0022] Furthermore, a bearing plate is fixedly arranged on the upper end surface of the oil seal body outside the through hole;

[0023] Through the above technical solution, the overall strength of the oil seal body is improved by the bearing plate whose upper end surface of the oil seal body is located outside the through hole.

[0024] The utility model has the following beneficial effects:

[0025] 1. The utility model proposes a novel high-pressure shock absorber oil seal. A through hole is provided in the middle of the upper end surface of the oil seal body, so that a fastening spring is embedded in the through hole and sealing components on both sides below. When connecting with a pipe, the pipe is accommodated in the through hole, so that the extrusion block in the sealing component is squeezed, driving the extrusion plate to slide in the extrusion groove, and the strong spring in the extrusion groove is squeezed to make the pipe clamped on the sealing gasket, thereby improving the sealing performance of the automobile shock absorber pipeline, and the piston rod is fixed when it is placed in the through hole by the fastening spring, so that the sealing effect is improved when the piston rod moves in the pipeline.

[0026] 2. The utility model proposes a novel high-pressure shock absorber oil seal, which can stably operate under high pressure through a base layer arranged in the oil seal body and a high-pressure resistant layer on the inner side of the base layer, and can increase lubricity and reduce friction and wear through a lubricating layer on the inner side of the high-pressure resistant layer, and can enhance the strength and rigidity of the oil seal body and improve its durability through a reinforcing layer on the outer side of the base layer, and improve the sealing performance of the oil seal body through a sealing layer on the outer side of the reinforcing layer, and can increase the hardness and wear resistance of the surface of the oil seal body and reduce wear through a protective layer on the outer side of the sealing layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the axial side of the utility model;

[0028] Figure 2 It is a front cross-sectional schematic diagram of the utility model;

[0029] Figure 3 This is a schematic diagram of the oil seal body structure of the utility model;

[0030] Figure 4 It is an enlarged schematic diagram of point A of the present utility model.

[0031] Legend:

[0032] 1. Oil seal body; 2. Load-bearing plate; 3. Through hole; 4. Sealing assembly; 5. Skeleton ring; 6. Fastening spring; 101. Base layer; 102. High-pressure resistant layer; 103. Lubricating layer; 104. Reinforcement layer; 105. Sealing layer; 106. Protective layer; 401. Extrusion block; 402. Sealing gasket; 403. Extrusion groove; 404. Power spring; 405. Extrusion plate. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] Reference Figure 1-4 The utility model provides an embodiment: a novel high-pressure shock absorber oil seal, including an oil seal body 1, a through hole 3 is opened in the middle of the upper end surface of the oil seal body 1, and sealing components 4 are fixedly arranged on both sides of the lower end surface of the through hole 3, and a fastening spring 6 is embedded in the upper part of the through hole 3. A skeleton ring 5 is fixedly arranged inside the oil seal body 1. Through the through hole 3 opened in the middle of the upper end surface of the oil seal body 1, the fastening spring 6 on the upper part of the through hole 3 fixes the piston rod, and the sealing components 4 on both sides below the through hole 3 are used to seal the pipeline, thereby improving the sealing performance of the oil seal body 1, and the skeleton ring 5 arranged inside the oil seal body 1 improves the overall support to prevent tilting.

[0035] The oil seal body 1 includes a base layer 101, a high pressure resistant layer 102 is fixedly arranged on the inner side of the base layer 101, a lubricating layer 103 is fixedly arranged on the inner side of the high pressure resistant layer 102, a reinforcing layer 104 is fixedly arranged on the outer side of the base layer 101, a sealing layer 105 is fixedly arranged on the outer side of the reinforcing layer 104, and a protective layer 106 is fixedly arranged on the outer side of the sealing layer 105. By setting the base layer 101 in the oil seal body 1, the high pressure resistant layer 102 on the inner side of the base layer 101 can stably operate under high pressure, the lubricating layer 103 on the inner side of the high pressure resistant layer 102 can increase lubricity, reduce friction and wear, the reinforcing layer 104 on the outer side of the base layer 101 can enhance the strength and rigidity of the oil seal body 1 and improve its durability, the sealing layer 105 on the outer side of the reinforcing layer 104 can improve the sealing performance of the oil seal body 1, and the protective layer 106 on the outer side of the sealing layer 105 can increase the hardness and wear resistance of the surface of the oil seal body 1 and reduce wear.

[0036] The two sealing components 4 include two sealing pads 402, two extrusion grooves 403 and two extrusion blocks 401. Extrusion plates 405 are fixedly arranged in the middle of the opposite sides of the two extrusion blocks 401. Strong springs 404 are fixedly arranged inside the two extrusion grooves 403. The extrusion blocks 401 in the sealing components 4 are squeezed to drive the extrusion plates 405 to slide inside the extrusion grooves 403, and the strong springs 404 inside the extrusion grooves 403 are squeezed to make the pipe clamp connected to the sealing pads 402, thereby improving the sealing performance of the automobile shock absorber pipeline, and the piston rod is fixed when it is placed into the through hole 3 by tightening the spring 6, so that the sealing effect is improved when the piston rod moves in the pipeline.

[0037] The material used for the high-pressure resistant layer 102 is graphite, and the material used for the lubricating layer 103 is polytetrafluoroethylene. Graphite has excellent self-lubricating properties and can operate stably under high pressure, thereby improving the high-pressure resistance of the oil seal body 1. Polytetrafluoroethylene is used to increase lubricity, reduce friction and wear, and reduce the occurrence of damage to the oil seal body 1 due to high pressure.

[0038] The material used for the reinforcing layer 104 is carbon fiber, and the material used for the sealing layer 105 is copper powder. The carbon fiber is used to enhance the strength and rigidity of the oil seal body 1 and improve its durability. The copper powder can enhance the thermal conductivity and electrical conductivity of the oil seal body 1 and improve the sealing performance. The material used for the protective layer 106 is ceramic particles. The ceramic particles are used to increase the hardness and wear resistance of the surface of the oil seal body 1, reduce wear, make the surface of the oil seal body 1 less susceptible to damage, and increase the service life.

[0039] The two extrusion plates 405 are respectively slidably mounted inside the two extrusion grooves 403, and the two strong springs 404 are respectively fixedly connected to the two extrusion plates 405. The extrusion plates 405 slide in the extrusion grooves 403 to facilitate the extrusion of the strong springs 404 fixedly connected to the extrusion plates 405 to produce rebound. The two extrusion blocks 401 are respectively penetrated on both sides of the two sealing gaskets 402. The extrusion blocks 401 penetrate both sides of the sealing gaskets 402 to facilitate clamping and fixing during sealing.

[0040] The upper end surface of the oil seal body 1 is located outside the through hole 3 and a bearing plate 2 is fixedly provided thereon. The bearing plate 2 located outside the through hole 3 improves the overall strength of the oil seal body 1 .

[0041] Working principle: when the oil seal body 1 is used, the piston rod is accommodated in the through hole 3 opened in the oil seal body 1, and the piston rod is fixed when it is placed in the through hole 3 by tightening the spring 6, so that the sealing effect is improved when the piston rod moves in the pipeline, and the sealing performance of the automobile shock absorber pipeline is improved by the sealing component 4 below the through hole 3, so that when the oil seal body 1 is in use, the high pressure resistance of the oil seal body 1 is improved, the lubricity is increased to reduce friction and wear, the strength and rigidity are increased, the sealing performance of the oil seal body 1 is improved, the hardness and wear resistance of the surface of the oil seal body 1 are increased, and the wear is reduced.

[0042] 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 substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel high-pressure shock absorber oil seal, comprising an oil seal body (1), characterized in that: A through hole (3) is provided in the middle of the upper end surface of the oil seal body (1); sealing components (4) are fixedly arranged on both sides of the lower end surface of the through hole (3); a fastening spring (6) is embedded in the upper part of the through hole (3); and a skeleton ring (5) is fixedly arranged in the oil seal body (1); The oil seal body (1) comprises a base layer (101), a high pressure resistant layer (102) is fixedly arranged on the inner side of the base layer (101), a lubricating layer (103) is fixedly arranged on the inner side of the high pressure resistant layer (102), a reinforcing layer (104) is fixedly arranged on the outer side of the base layer (101), a sealing layer (105) is fixedly arranged on the outer side of the reinforcing layer (104), and a protective layer (106) is fixedly arranged on the outer side of the sealing layer (105); The two sealing assemblies (4) comprise two sealing pads (402), two extrusion grooves (403) and two extrusion blocks (401); an extrusion plate (405) is fixedly arranged in the middle of opposite sides of the two extrusion blocks (401); and a strong spring (404) is fixedly arranged inside the two extrusion grooves (403).

2. A novel high pressure resistant shock absorber oil seal according to claim 1, characterized in that: The material used for the high-pressure resistant layer (102) is graphite, and the material used for the lubricating layer (103) is polytetrafluoroethylene.

3. The novel high pressure resistant shock absorber oil seal according to claim 1 is characterized in that: The material used for the reinforcement layer (104) is carbon fiber, and the material used for the sealing layer (105) is copper powder.

4. The novel high pressure resistant shock absorber oil seal according to claim 1 is characterized in that: The material used for the protective layer (106) is ceramic particles.

5. The novel high pressure resistant shock absorber oil seal according to claim 1 is characterized in that: The two extrusion plates (405) are respectively slidably sleeved inside the two extrusion grooves (403), and the two strong springs (404) are respectively fixedly connected to the two extrusion plates (405).

6. The novel high-pressure shock absorber oil seal according to claim 1 is characterized in that: The two extrusion blocks (401) are respectively arranged through both sides of the two sealing pads (402).

7. The novel high pressure resistant shock absorber oil seal according to claim 1 is characterized in that: A bearing plate (2) is fixedly arranged on the upper end surface of the oil seal body (1) outside the through hole (3).

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