Wear-resistant thermoplastic elastomer sealing ring

Abstract

The utility model relates to the technical field of sealing rings, in particular to a wear-resistant thermoplastic elastomer sealing ring which comprises a sealing ring body, the sealing ring body comprises a wear-resistant outer layer, a groove structure is arranged on the wear-resistant outer layer, a base layer is fixedly arranged in the wear-resistant outer layer, a reinforcing structure is arranged on the base layer, and the reinforcing structure is arranged on the base layer. A corrosion-resistant layer, a reset elastic column and a buffer layer are fixedly arranged on the reinforcing structure, a plurality of antiskid rings are fixedly arranged on the wear-resistant outer layer, the wear-resistant outer layer is arranged on the sealing ring, the wear-resistant outer layer is made of a polyurethane material, and polyurethane has the characteristics of wear resistance, aging resistance and elasticity, so that the service life of the sealing ring is prolonged, and the service life of the sealing ring is prolonged. The abrasion resistance of the sealing ring is improved, the service life of the sealing ring is prolonged, the corrosion-resistant layer has the advantages of being excellent in chemical corrosion resistance and temperature resistance, the reinforcing structures are arranged, all the layers are tightly connected, and the structure of the sealing ring is reinforced.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing rings, in particular to a wear-resistant thermoplastic elastomer sealing ring. Background Art

[0002] The sealing ring, also known as the O-ring, is an accessory used for sealing. It mainly includes V-ring, U-ring, O-ring, rectangular ring, Y-ring, YX-ring for hole, YX-ring for hole, YX-ring for shaft, YX-ring for shaft, etc.

[0003] The existing sealing ring has a relatively simple overall structure and a relatively single function. After a long period of working use, it is easy to be deformed and damaged, which affects the sealing effect. Therefore, the utility model proposes a wear-resistant thermoplastic elastomer sealing ring to solve the above problem. Therefore, the utility model proposes a wear-resistant thermoplastic elastomer sealing ring to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a wear-resistant thermoplastic elastomer sealing ring to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wear-resistant thermoplastic elastomer sealing ring, comprising a sealing ring body, the sealing ring body comprising a wear-resistant outer layer, a groove structure is arranged on the wear-resistant outer layer, a base layer is fixedly arranged inside the wear-resistant outer layer, a reinforcement structure is arranged on the base layer, a corrosion-resistant layer, a reset elastic column and a buffer layer are fixedly arranged on the reinforcement structure, and a plurality of anti-slip rings are fixedly arranged on the wear-resistant outer layer.

[0006] Preferably, the reinforcement structure includes reinforcing ribs, two first supporting layers and two second supporting layers, and the two second supporting layers are fixedly mounted at the upper and lower ends of the base layer respectively.

[0007] Preferably, reinforcing ribs are fixedly installed in the base layer, the two ends of the reinforcing ribs are fixedly connected to the two first supporting layers respectively, the ends of the two first supporting layers away from the reinforcing ribs are fixedly connected to the corrosion-resistant layer, and the corrosion-resistant layer is fixedly connected to the inner wall of the wear-resistant outer layer.

[0008] Preferably, the groove structure includes a bottom groove, an upper groove, an inner groove and an outer groove, the inner groove is provided on the inner teeth of the sealing ring body, and the outer groove is provided on the outer side of the sealing ring body.

[0009] Preferably, the upper groove is provided on the upper side of the sealing ring body, and the bottom groove is provided on the lower side of the sealing ring body.

[0010] Preferably, the wear-resistant outer layer is made of polyurethane material, and the corrosion-resistant layer is made of polytetrafluoroethylene material.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] A wear-resistant outer layer is provided on the sealing ring, and the wear-resistant outer layer is made of polyurethane material. Polyurethane has the characteristics of wear resistance, aging resistance, and elasticity, thereby improving the wear resistance of the sealing ring and increasing the service life of the sealing ring. The corrosion-resistant layer has the characteristics of excellent chemical corrosion resistance and temperature resistance. By providing a reinforcement structure, the layers are closely connected to reinforce the structure of the sealing ring. At the same time, under the elastic action of the reset elastic column, the sealing ring is prevented from being deformed and damaged by external force, thereby improving the sealing performance of the sealing ring. By providing a groove structure, space is provided for the extrusion deformation of the sealing ring, thereby preventing the sealing ring from being damaged during extrusion deformation and improving the sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a partial structural schematic diagram of the utility model.

[0014] Figure 2 It is a schematic diagram of the external structure of the utility model.

[0015] Figure 3 It is a cross-sectional schematic diagram of the utility model.

[0016] In the figure: 1. Sealing ring body; 2. Bottom groove; 3. Upper groove; 4. Inner groove; 5. Outer groove; 6. Anti-slip ring; 7. Corrosion-resistant layer; 8. First supporting layer; 9. Reinforcing ribs; 10. Buffer layer; 11. Second supporting layer; 12. Base layer; 13. Wear-resistant outer layer; 14. Reset elastic column. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figures 1 to 3The utility model provides a technical solution: a wear-resistant thermoplastic elastomer sealing ring, including a sealing ring body 1, the sealing ring body 1 includes a wear-resistant outer layer 13, a groove structure is arranged on the wear-resistant outer layer 13, a base layer 12 is fixedly arranged inside the wear-resistant outer layer 13, a reinforcement structure is arranged on the base layer 12, a corrosion-resistant layer 7, a reset elastic column 14 and a buffer layer 10 are fixedly arranged on the reinforcement structure, a plurality of anti-slip rings 6 are fixedly arranged on the wear-resistant outer layer 13, by arranging the wear-resistant outer layer 13 on the sealing ring, the wear-resistant outer layer 13 is made of polyurethane material, and the polyurethane has It has the characteristics of wear resistance, aging resistance and elasticity, which improves the wear resistance of the sealing ring and increases the service life of the sealing ring. The corrosion-resistant layer 7 has the characteristics of excellent chemical corrosion resistance and temperature resistance. By providing a reinforcement structure, the layers are closely connected to reinforce the structure of the sealing ring. At the same time, under the elastic action of the reset elastic column 14, the sealing ring is prevented from being deformed and damaged by external force, thereby improving the sealing of the sealing ring. By providing a groove structure, space is provided for the extrusion deformation of the sealing ring, which avoids damage to the sealing ring during extrusion deformation and improves the sealing effect.

[0019] The reinforcement structure includes reinforcing ribs 9, two first supporting layers 8 and two second supporting layers 11. The two second supporting layers 11 are fixedly installed at the upper and lower ends of the base layer 12 respectively. The reinforcing ribs 9 are fixedly installed in the base layer 12. The two ends of the reinforcing ribs 9 are fixedly connected to the two first supporting layers 8 respectively. The ends of the two first supporting layers 8 away from the reinforcing ribs 9 are fixedly connected to the corrosion-resistant layer 7, and the corrosion-resistant layer 7 is fixedly connected to the inner wall of the wear-resistant outer layer 13.

[0020] The groove structure includes a bottom groove 2, an upper groove 3, an inner groove 4 and an outer groove 5. The inner groove 4 is arranged on the inner teeth of the sealing ring body 1, the outer groove 5 is arranged on the outside of the sealing ring body 1, the upper groove 3 is arranged on the upper side of the sealing ring body 1, and the bottom groove 2 is arranged on the lower side of the sealing ring body 1, which provides space for the sealing ring to be extruded and deformed, avoids damage to the sealing ring during extrusion and deformation, and improves the sealing effect. The wear-resistant outer layer 13 is made of polyurethane material, and the corrosion-resistant layer 7 is made of polytetrafluoroethylene material. Polyurethane has the characteristics of wear resistance, aging resistance and elasticity, which improves the wear resistance of the sealing ring and the service life of the sealing ring.

[0021] Working principle: by arranging a wear-resistant outer layer 13 on the sealing ring, the wear-resistant outer layer 13 is made of polyurethane material, and polyurethane has the characteristics of wear resistance, aging resistance, and elasticity, which improves the wear resistance of the sealing ring and improves the service life of the sealing ring. The corrosion-resistant layer 7 has the characteristics of excellent chemical corrosion resistance and temperature resistance. By arranging a reinforcement structure, under the action of the first supporting layer 8, the reinforcing ribs 9 and the second supporting layer 11, the layers are closely connected to reinforce the structure of the sealing ring. At the same time, under the elastic action of the reset elastic column 14, the sealing ring is prevented from being deformed and damaged by external force, thereby improving the sealing of the sealing ring. By arranging the bottom groove 2, the upper groove 3, the inner groove 4 and the outer groove 5, space is provided for the extrusion deformation of the sealing ring, the damage of the sealing ring during extrusion deformation is avoided, and the sealing effect is improved.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wear-resistant thermoplastic elastomer sealing ring, comprising a sealing ring body (1), characterized in that: The sealing ring body (1) comprises a wear-resistant outer layer (13), a groove structure is arranged on the wear-resistant outer layer (13), a base layer (12) is fixedly arranged inside the wear-resistant outer layer (13), a reinforcement structure is arranged on the base layer (12), a corrosion-resistant layer (7), a reset elastic column (14) and a buffer layer (10) are fixedly arranged on the reinforcement structure, and a plurality of anti-slip rings (6) are fixedly arranged on the wear-resistant outer layer (13).

2. The wear-resistant thermoplastic elastomer sealing ring according to claim 1, characterized in that: The reinforcement structure comprises reinforcing ribs (9), two first supporting layers (8) and two second supporting layers (11), wherein the two second supporting layers (11) are respectively fixedly mounted at the upper and lower ends of the base layer (12).

3. The wear-resistant thermoplastic elastomer sealing ring according to claim 2, characterized in that: A reinforcing rib (9) is fixedly installed in the base layer (12), and the two ends of the reinforcing rib (9) are respectively fixedly connected to the two first supporting layers (8), and the ends of the two first supporting layers (8) away from the reinforcing rib (9) are fixedly connected to the corrosion-resistant layer (7), and the corrosion-resistant layer (7) is fixedly connected to the inner wall of the wear-resistant outer layer (13).

4. The wear-resistant thermoplastic elastomer sealing ring according to claim 3, characterized in that: The groove structure comprises a bottom groove (2), an upper groove (3), an inner groove (4) and an outer groove (5), wherein the inner groove (4) is provided on the inner teeth of the sealing ring body (1), and the outer groove (5) is provided on the outer side of the sealing ring body (1).

5. The wear-resistant thermoplastic elastomer sealing ring according to claim 4, characterized in that: The upper groove (3) is provided on the upper side of the sealing ring body (1), and the bottom groove (2) is provided on the lower side of the sealing ring body (1).

6. The wear-resistant thermoplastic elastomer sealing ring according to claim 5, characterized in that: The wear-resistant outer layer (13) is made of polyurethane material, and the corrosion-resistant layer (7) is made of polytetrafluoroethylene material.

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