Sensor gasket

Abstract

The utility model discloses a sensor gasket which comprises a first protection piece, the front face of the first protection piece is fixedly connected with a protection ring, the front face of the protection ring is fixedly connected with a second protection piece, the periphery of the front face of the first protection piece is fixedly connected with a fixing plate, and the top of the fixing plate is provided with a groove. And movable plates are fixedly connected to the periphery of the back face of the second protection piece, the protection ring comprises a base layer, and a first elastic layer is bonded to the surface of the base layer. The whole gasket is composed of the protective ring, the first protective piece and the second protective piece, through the first elastic layer and the second elastic layer, the protective ring can have good elasticity, when the first protective piece or the second protective piece is pressed, a contraction space can be provided, after pressure disappears, the protective ring recovers to the original state, the gasket is prevented from being pressed and deformed, and the service life of the gasket is prolonged. And therefore, the replacement frequency of the gasket is reduced, and convenience is brought to people in use.

Description

Technical Field

[0001] The utility model relates to the technical field of washers, in particular to a sensor washers. Background Art

[0002] A washer is a part placed between the connected part and the nut. It is generally a flat metal ring used to protect the surface of the connected part from being scratched by the nut and to disperse the pressure of the nut on the connected part. It can be divided into spherical washers, conical washers, and square washers for I-beams. Washers are used on sensors.

[0003] When the existing gasket is used on the sensor, its main function is to disperse the pressure of the nut on the connected part. The gasket is easy to deform when under pressure. After deformation, the gasket is easy to scratch the surface of the connected part. Users need to replace it frequently, which brings inconvenience to people. Therefore, a sensor gasket is introduced specifically. Utility Model Content

[0004] The utility model aims to provide a sensor gasket, which has the advantage of preventing deformation and solves the problem that when the existing gasket is used on the sensor, its main function is to disperse the pressure of the nut on the connected part, and the gasket is easy to deform when under pressure. After deformation, the gasket is easy to scratch the surface of the connected part, and the user needs to replace it frequently, which brings inconvenience to people's use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sensor gasket, comprising a first protective sheet, a protective ring is fixedly connected to the front side of the first protective sheet, a second protective sheet is fixedly connected to the front side of the protective ring, a fixed plate is fixedly connected to the front side of the first protective sheet, a groove is provided on the top of the fixed plate, a movable plate is fixedly connected to the back side of the second protective sheet, the protective ring comprises a base layer, a first elastic layer is bonded to the surface of the base layer, a second elastic layer is bonded to the surface of the first elastic layer, a composite layer is bonded to the surface of the second elastic layer, and a wear-resistant layer is bonded to the surface of the composite layer.

[0006] Preferably, the base layer is made of silicone rubber, and the first elastic layer is made of butadiene rubber.

[0007] Preferably, the second elastic layer is made of nitrile rubber, and the wear-resistant layer is made of natural rubber.

[0008] Preferably, the composite layer comprises a high-strength layer, and a heat insulation layer is bonded to the surface of the high-strength layer.

[0009] Preferably, the material of the high-strength layer is polyurethane rubber, and the material of the heat-insulating layer is aerogel.

[0010] Preferably, sliders are fixedly connected to both sides of the movable plate, and sliding grooves adapted to the sliders are provided on both sides of the inner cavity of the groove.

[0011] Preferably, a heat conducting plate is fixedly connected to the back side of the second protection sheet and is located between the two fixing plates, and the heat conducting plate is in contact with the surface of the guard ring.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model comprises a guard ring, a first protective sheet and a second protective sheet to form the entire gasket. The first elastic layer and the second elastic layer can make the guard ring have good elasticity. When the first protective sheet or the second protective sheet is under pressure, it can provide a contraction space and restore the original state after the pressure disappears, thereby preventing the gasket from being deformed under pressure and scratching the surface of the connected part, reducing the number of gasket replacements and facilitating people's use.

[0014] 2. The utility model provides a wear-resistant layer to make the guard ring have good wear resistance and reduce the wear of the guard ring. By providing a high-strength layer and a heat-insulating layer, the guard ring can have high strength and reduce the influence of heat on it. By providing a slider and a slide groove, the movable plate can be limited. By providing a heat-conducting plate, the heat generated by the friction of the second protective sheet can be promptly discharged. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the material structure of the retaining ring of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the composite layer materials of the utility model;

[0019] Figure 5 For this utility model Figure 1 A schematic diagram of the enlarged local structure in the middle.

[0020] In the figure: 1. first protective sheet; 2. protective ring; 201. base layer; 202. first elastic layer; 203. second elastic layer; 204. composite layer; 2041. high strength layer; 2042. heat insulation layer; 205. wear-resistant layer; 3. second protective sheet; 4. fixed plate; 5. groove; 6. movable plate; 7. heat conduction plate; 8. slider; 9. slide groove. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-5 A sensor gasket comprises a first protective sheet 1, a protective ring 2 is fixedly connected to the front of the first protective sheet 1, a second protective sheet 3 is fixedly connected to the front of the protective ring 2, a fixing plate 4 is fixedly connected to the front of the first protective sheet 1, a heat conducting plate 7 is fixedly connected to the back of the second protective sheet 3 and located between the two fixing plates 4, the heat conducting plate 7 is in contact with the surface of the protective ring 2, and the heat generated by the friction of the second protective sheet 3 can be timely discharged by setting the heat conducting plate 7, a groove 5 is opened on the top of the fixing plate 4, and the four sides of the back of the second protective sheet 3 are fixedly connected to the fixing plate 4. The movable plate 6 is fixedly connected to the periphery, and the sliders 8 are fixedly connected to the two sides of the movable plate 6. The slide grooves 9 adapted to the sliders 8 are opened on both sides of the inner cavity of the groove 5. By setting the sliders 8 and the slide grooves 9, the movable plate 6 can be limited. The retaining ring 2 includes a base layer 201, and the surface of the base layer 201 is bonded with a first elastic layer 202. The material of the base layer 201 is silicone rubber, and the material of the first elastic layer 202 is butadiene rubber. The surface of the first elastic layer 202 is bonded with a second elastic layer 203, and the surface of the second elastic layer 203 is bonded with a composite The composite layer 204 includes a high-strength layer 2041, a heat-insulating layer 2042 is bonded to the surface of the high-strength layer 2041, the material of the high-strength layer 2041 is polyurethane rubber, and the material of the heat-insulating layer 2042 is aerogel. By arranging the high-strength layer 2041 and the heat-insulating layer 2042, the retaining ring 2 can have high strength while reducing the influence of heat on it. The surface of the composite layer 204 is bonded with a wear-resistant layer 205, the material of the second elastic layer 203 is nitrile rubber, and the material of the wear-resistant layer 205 is natural rubber. By providing the wear-resistant layer 205, the guard ring 2 can have good wear resistance and reduce the wear of the guard ring 2. The guard ring 2, the first protective sheet 1 and the second protective sheet 3 form the entire gasket. The first elastic layer 202 and the second elastic layer 203 can make the guard ring 2 have good elasticity. When the first protective sheet 1 or the second protective sheet 3 is under pressure, it can provide a contraction space and restore it to its original state after the pressure disappears, thereby preventing the gasket from being deformed under pressure and scratching the surface of the connected part, reducing the number of gasket replacement times, and facilitating people's use.

[0023] When in use, the entire gasket is composed of the protective ring 2, the first protective sheet 1 and the second protective sheet 3. The first elastic layer 202 and the second elastic layer 203 can make the protective ring 2 have good elasticity. When the first protective sheet 1 or the second protective sheet 3 is under pressure, it can provide contraction space and restore it to its original state after the pressure disappears, thereby preventing the gasket from being deformed by pressure and scratching the surface of the connected part, reducing the number of times the gasket is replaced, and facilitating people's use.

[0024] 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 sensor gasket, comprising a first protective sheet (1), characterized in that: The front side of the first protective sheet (1) is fixedly connected to a protective ring (2), the front side of the protective ring (2) is fixedly connected to a second protective sheet (3), the front side of the first protective sheet (1) is fixedly connected to a fixed plate (4) on all sides, a groove (5) is provided on the top of the fixed plate (4), the back side of the second protective sheet (3) is fixedly connected to a movable plate (6) on all sides, the protective ring (2) comprises a base layer (201), the surface of the base layer (201) is bonded to a first elastic layer (202), the surface of the first elastic layer (202) is bonded to a second elastic layer (203), the surface of the second elastic layer (203) is bonded to a composite layer (204), and the surface of the composite layer (204) is bonded to a wear-resistant layer (205).

2. A sensor gasket according to claim 1, characterized in that: The base layer (201) is made of silicone rubber, and the first elastic layer (202) is made of butadiene rubber.

3. A sensor gasket according to claim 1, characterized in that: The material of the second elastic layer (203) is nitrile rubber, and the material of the wear-resistant layer (205) is natural rubber.

4. A sensor gasket according to claim 1, characterized in that: The composite layer (204) comprises a high-strength layer (2041), and a heat insulation layer (2042) is bonded to the surface of the high-strength layer (2041).

5. A sensor gasket according to claim 4, characterized in that: The material of the high-strength layer (2041) is polyurethane rubber, and the material of the heat-insulating layer (2042) is aerogel.

6. The sensor gasket according to claim 1, characterized in that: Slide blocks (8) are fixedly connected to both sides of the movable plate (6), and sliding grooves (9) adapted to the slide blocks (8) are provided on both sides of the inner cavity of the groove (5).

7. The sensor gasket according to claim 1, characterized in that: A heat conducting plate (7) is fixedly connected to the back of the second protective sheet (3) and is located between the two fixing plates (4), and the heat conducting plate (7) is in contact with the surface of the retaining ring (2).

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