Corrosion-resistant carbon graphite sealing ring

Abstract

The utility model relates to the technical field of sealing, and provides a corrosion-resistant carbon graphite sealing ring which comprises a main body and a carbon graphite layer, a carbon graphite layer is arranged in the main body, and an anti-corrosion structure is arranged on the inner side of the main body; a protection structure is arranged on the outer side of the carbon graphite layer, limiting grooves are evenly formed in the outer wall of the main body, and a sealing gasket is arranged on the inner side of the main body. According to the sealing ring, the protective structure and the insulating layer are arranged to play a buffering role, the sealing ring is further prevented from being impacted and damaged in the installation and use process, use is not facilitated, the anti-corrosion layer is bonded to the inner side of the buffering layer through the hot melt adhesive layer, and the anti-corrosion layer is actually a fluororubber layer, so that the service life of the sealing ring is prolonged. And the fluororubber has excellent oil resistance and heat resistance and is suitable for sealing requirements in a high-temperature environment, so that the purpose of conveniently protecting the sealing ring is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing, in particular to a corrosion-resistant carbon graphite sealing ring. Background Art

[0002] With the development of the times, in order to meet the actual use needs of many automated mechanical equipment and electrical equipment, it is necessary to use carbon graphite sealing rings to ensure the normal use of the equipment;

[0003] To this end, the patent with publication number CN202691038U discloses a sealing ring, including a sealing ring body made of elastic material, the sealing ring body is provided with a cutting opening, and the cutting opening of the sealing ring body is provided with an overlapping inclined surface. The utility model relates to the technical field of storage type injection molding machine, and in particular to a sealing ring for sliding sealing between an injection molding piston and an injection molding cylinder, which has a simple structure and reliable operation, and can reduce the difficulty and cost of processing, manufacturing, use and maintenance of the injection molding machine;

[0004] The sealing ring described above is provided with an overlapping inclined surface through the cut-off opening of the sealing ring body, thereby meeting the actual use requirements. However, during its use, it may cause corrosion and the like, thereby reducing the service life of the sealing ring, which is not conducive to its use. Utility Model Content

[0005] The utility model aims to provide a corrosion-resistant carbon graphite sealing ring to solve the defect of poor corrosion resistance of the existing sealing ring.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a corrosion-resistant carbon graphite sealing ring, comprising a main body and a carbon graphite layer;

[0007] A carbon graphite layer is provided inside the main body, and an anti-corrosion structure is provided inside the main body;

[0008] A protective structure is arranged on the outer side of the carbon graphite layer, limiting grooves are evenly arranged on the outer wall of the main body, and a sealing gasket is arranged on the inner side of the main body;

[0009] The protective structure includes an insulating layer, a heat-resistant layer and a wear-resistant coating. The insulating layer is arranged on the outside of the carbon graphite layer. The heat-resistant layer is arranged on the outside of the insulating layer. The wear-resistant coating is evenly arranged on both sides of the sealing gasket on the outer wall of the main body.

[0010] Preferably, the anti-corrosion structure comprises a buffer layer, an adhesive layer and an anti-corrosion layer, the buffer layer is arranged on the inner side of the main body, the adhesive layer is arranged on the inner side of the buffer layer, and the anti-corrosion layer is arranged on the inner side of the adhesive layer.

[0011] Preferably, the adhesive layer is actually a hot melt adhesive layer, and the anti-corrosion layer is actually a fluororubber layer.

[0012] Preferably, the insulating layer is arranged inside the main body, and a side of the heat-resistant layer away from the insulating layer is connected to a side of an inner wall of the main body.

[0013] Preferably, the wear-resistant coating is actually polyurethane, and the wear-resistant coating is distributed at equal intervals on the outer side of the limiting groove on the outer side wall of the main body.

[0014] Preferably, six groups of the limiting grooves are provided, and the six groups of the limiting grooves are distributed at equal intervals on the outer wall of the main body.

[0015] Preferably, two groups of sealing gaskets are provided, and the sealing gaskets are symmetrically distributed at both ends of the main body.

[0016] The utility model provides a corrosion-resistant carbon graphite sealing ring, which has the advantages of:

[0017] By providing a protective structure, the insulating layer plays a buffering role, thereby avoiding impact damage to the sealing ring during installation and use, which is not conducive to use. In addition, an anti-corrosion layer is bonded to the inner side of the buffer layer by a hot-melt adhesive layer. The anti-corrosion layer is actually a fluororubber layer. Fluororubber has excellent oil resistance and heat resistance, and is suitable for sealing requirements in high temperature environments, thereby achieving the purpose of facilitating the protection of the sealing ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 3 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model in a top view;

[0022] Figure 5 It is a schematic diagram of the enlarged structure of point A of the utility model.

[0023] Explanation of the reference numerals in the figure: 1. Main body; 2. Carbon graphite layer; 3. Anti-corrosion structure; 301. Buffer layer; 302. Adhesive layer; 303. Anti-corrosion layer; 4. Protective structure; 401. Insulation layer; 402. Heat-resistant layer; 403. Wear-resistant coating; 5. Limiting groove; 6. Sealing gasket. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-Figure 5 The utility model provides a corrosion-resistant carbon graphite sealing ring, which includes a main body 1 and a carbon graphite layer 2.

[0026] Reference Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, a carbon graphite layer 2 is provided inside the main body 1, an anti-corrosion structure 3 is provided on the inner side of the main body 1, the anti-corrosion structure 3 includes a buffer layer 301, an adhesive layer 302 and an anti-corrosion layer 303, the buffer layer 301 is provided on the inner side of the main body 1, an adhesive layer 302 is provided on the inner side of the buffer layer 301, an anti-corrosion layer 303 is provided on the inner side of the adhesive layer 302, the adhesive layer 302 is actually a hot melt adhesive layer, and the anti-corrosion layer 303 is actually a fluororubber layer.

[0027] In the process of using many automated mechanical equipment and electrical equipment, in order to adapt to the pressure and temperature in different working environments, good sealing performance is achieved within the specified range. A sealing ring is used to seal it. However, the traditional sealing ring may be corroded by the environment during use, which affects its actual use function and is not conducive to its use. By providing an anti-corrosion structure 3, it is not easy to corrode during use, thereby achieving the purpose of protecting the sealing ring and increasing the service life of the device.

[0028] Reference Figure 4 As shown, a protective structure 4 is arranged on the outside of the carbon graphite layer 2, and limiting grooves 5 are evenly provided on the outer wall of the main body 1. There are six groups of limiting grooves 5, and the six groups of limiting grooves 5 are evenly spaced on the outer wall of the main body 1. A sealing gasket 6 is arranged on the inner side of the main body 1. There are two groups of sealing gaskets 6, and the sealing gaskets 6 are symmetrically distributed at both ends of the main body 1. The protective structure 4 includes an insulating layer 401, a heat-resistant layer 402 and a wear-resistant coating 403. The insulating layer 401 is arranged on the outside of the carbon graphite layer 2, and the heat-resistant layer 402 is arranged on the outside of the insulating layer 401. The wear-resistant coating 403 is evenly arranged on both sides of the sealing gasket 6 on the outer wall of the main body 1. The insulating layer 401 is arranged inside the main body 1, and the side of the heat-resistant layer 402 away from the insulating layer 401 is connected to the side of the inner wall of the main body 1. The wear-resistant coating 403 is actually polyurethane, and the wear-resistant coating 403 is evenly distributed on the outside of the limiting groove 5 on the outer wall of the main body 1.

[0029] During the use of the sealing ring, it may be affected by various aspects and thus affect its service life, thereby causing unnecessary waste, thereby increasing the use cost of the device and making it difficult to meet actual use needs. By providing a protective structure 4, it is convenient to protect the sealing ring, thereby increasing the service life of the device and reducing the use cost.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may 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 shall be included in the protection scope of the present invention.

Claims

1. A corrosion-resistant carbon graphite sealing ring, comprising a main body (1) and a carbon graphite layer (2); Features: A carbon graphite layer (2) is provided inside the main body (1), and an anti-corrosion structure (3) is provided on the inner side of the main body (1); A protective structure (4) is arranged on the outer side of the carbon graphite layer (2), limiting grooves (5) are evenly arranged on the outer wall of the main body (1), and a sealing gasket (6) is arranged on the inner side of the main body (1); The protective structure (4) comprises an insulating layer (401), a heat-resistant layer (402) and a wear-resistant coating (403); the insulating layer (401) is arranged on the outside of the carbon graphite layer (2); the heat-resistant layer (402) is arranged on the outside of the insulating layer (401); and the wear-resistant coating (403) is evenly arranged on both sides of the sealing gasket (6) on the outer wall of the main body (1).

2. A corrosion-resistant carbon graphite sealing ring according to claim 1, characterized in that: The anti-corrosion structure (3) comprises a buffer layer (301), an adhesive layer (302) and an anti-corrosion layer (303); the buffer layer (301) is arranged on the inner side of the main body (1); the adhesive layer (302) is arranged on the inner side of the buffer layer (301); and the anti-corrosion layer (303) is arranged on the inner side of the adhesive layer (302).

3. A corrosion-resistant carbon graphite sealing ring according to claim 2, characterized in that: The adhesive layer (302) is actually a hot melt adhesive layer, and the anti-corrosion layer (303) is actually a fluororubber layer.

4. The corrosion-resistant carbon graphite sealing ring according to claim 1, characterized in that: The insulating layer (401) is arranged inside the main body (1), and a side of the heat-resistant layer (402) away from the insulating layer (401) is connected to a side of the inner wall of the main body (1).

5. The corrosion-resistant carbon graphite sealing ring according to claim 1, characterized in that: The wear-resistant coating (403) is actually polyurethane, and the wear-resistant coating (403) is distributed at equal intervals on the outer side of the limiting groove (5) on the outer side wall of the main body (1).

6. The corrosion-resistant carbon graphite sealing ring according to claim 1, characterized in that: Six groups of the limiting grooves (5) are provided, and the six groups of the limiting grooves (5) are distributed at equal intervals on the outer wall of the main body (1).

7. The corrosion-resistant carbon graphite sealing ring according to claim 1, characterized in that: Two groups of sealing gaskets (6) are provided, and the sealing gaskets (6) are symmetrically distributed at both ends of the main body (1).

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