Corrosion-resistant sealing washer

Abstract

The utility model relates to the technical field of sealing washers, and discloses a corrosion-resistant sealing washer which comprises a washer body, wear-resistant washers, a jacking air bag and a corrosion-resistant coating, the wear-resistant washers are fixedly connected to the upper side and the lower side of the washer body, movable cavities are formed in the edges of the wear-resistant washers, the jacking air bag is fixedly arranged in the movable cavities, and the corrosion-resistant coating is arranged in the jacking air bag. Elastic pads matched with the movable cavities are connected to the inner side wall and the outer side wall of the wear-resistant gasket, a plurality of anti-skid protrusions are integrally formed on the inner side wall and the outer side wall of the gasket body, and corrosion-resistant coatings are arranged on the side walls of the gasket body, the wear-resistant gasket, the elastic pads and the anti-skid protrusions. The utility model has the advantages of self-adaptation to the size of the gap between the connecting pieces, good sealing performance, small contact area with the connecting pieces, and small corrosion risk.

Description

Technical Field

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

[0002] A sealing gasket is a sealing device used to prevent liquid or gas leakage. It is usually made of soft materials (such as rubber, plastic, metal) and installed between two joint parts to fill the gap and prevent leakage. Sealing gaskets are widely used in pipelines, valves, mechanical equipment and other fields, and can effectively reduce the leakage of liquid or gas and ensure the normal operation of the system. Existing sealing gaskets are generally single rubber gaskets. When sealing pipelines or equipment that transport or store corrosive substances, they are often corroded and damaged, and cannot be in close contact with the connector, affecting the sealing effect. In addition, the inner and outer sides of the sealing gasket are smooth surfaces. When sealing, the side walls will all contact with the connecting parts, thereby increasing the risk of corrosion. Utility Model Content

[0003] In order to solve the above-mentioned problems, the utility model proposes a corrosion-resistant sealing gasket which can adapt to the gap size between connecting parts, has good sealing performance, has a small contact area with the connecting parts and has a low corrosion risk.

[0004] In order to solve the above-mentioned technical problems, the technical solution proposed by the utility model is: a corrosion-resistant sealing gasket, comprising a gasket body, a wear-resistant gasket, a tightening airbag, and a corrosion-resistant coating, the wear-resistant gasket is fixedly connected to the upper and lower sides of the gasket body, a movable cavity is provided at the edge of the wear-resistant gasket, the tightening airbag is fixedly provided in the movable cavity, and an elastic pad matching the movable cavity is connected to the inner and outer walls of the wear-resistant gasket, a plurality of anti-slip protrusions are integrally formed on the inner and outer walls of the gasket body, and the gasket body, the wear-resistant gasket, the elastic pad and the side walls of the anti-slip protrusions are all provided with a corrosion-resistant coating.

[0005] Furthermore, the wear-resistant gasket has the same inner and outer diameters as the gasket body.

[0006] Furthermore, the anti-slip protrusion is hemispherical.

[0007] Furthermore, the gasket body and the anti-slip protrusion are made of rubber material.

[0008] Furthermore, the wear-resistant gasket is a polyurethane elastomer.

[0009] Furthermore, the elastic pad is made of silicone.

[0010] Compared with the prior art, the utility model has the following advantages: the design of the tightening airbag can ensure that the gasket automatically adapts to different gap sizes according to the size of the pressing force during installation, seals the joints of the components, and ensures a good sealing effect; the anti-slip protrusions can both increase the stability of the sealing gasket and reduce the contact area between the sealing gasket and the component, thereby reducing the risk of corrosion; the corrosion-resistant coating and the wear-resistant gasket of the polyurethane elastomer can make the sealing gasket have multiple corrosion-resistant effects; at the same time, the wear-resistant pad can also effectively reduce the wear of the sealing gasket and increase its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a front cross-sectional view of the utility model;

[0012] Figure 2 It is the front view of the utility model;

[0013] Figure 3 It is a top view of the utility model.

[0014] As shown in the figure: 1. Washer body; 2. Wear-resistant washer; 3. Tightening airbag; 4. Corrosion-resistant coating; 5. Elastic pad; 6. Anti-slip protrusion. DETAILED DESCRIPTION

[0015] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0016] Combined with Figure 1 A corrosion-resistant sealing gasket includes a gasket body 1, a wear-resistant gasket 2, a tightening airbag 3, and a corrosion-resistant coating 4. The wear-resistant gasket 2 is fixedly connected to the upper and lower sides of the gasket body 1. The wear-resistant gasket 2 has the same inner and outer diameters as the gasket body 1, which can ensure the neatness of the side wall of the sealing gasket and is conducive to ensuring effective sealing. The wear-resistant gasket 2 is a polyurethane elastomer with good wear resistance and corrosion resistance.

[0017] Combined with Figure 1 , Attachment Figure 2 , Attachment Figure 3 An active cavity is provided at the edge of the wear-resistant gasket 2, and the tightening airbag 3 is fixed in the active cavity. An elastic pad 5 matching the active cavity is connected to the inner and outer side walls of the wear-resistant gasket 2. The elastic pad 5 is made of silicone material and is arranged on the outside of the sealing gasket, which has good corrosion resistance.

[0018] Combined with Figure 1 , Attachment Figure 2 The inner and outer side walls of the gasket body 1 are integrally formed with a plurality of anti-skid protrusions 6, which are hemispherical and can greatly reduce the contact area between the sealing gasket and the connector, effectively reducing the risk of corrosion. The gasket body 1 and the anti-skid protrusions 6 are made of rubber and have good elasticity and sealing properties.

[0019] Combined with Figure 1 The gasket body 1, the wear-resistant gasket 2, the elastic pad 5 and the side walls of the anti-slip protrusion 6 are all provided with a corrosion-resistant coating 4, which can effectively protect the sealing gasket and improve its corrosion resistance.

[0020] Specific implementation methods of the utility model: the sealing gasket is placed at the joint of two connecting parts that need to be sealed, and the corrosion-resistant coating 4 is in direct contact with the connecting parts, which can effectively prevent the objects on the connecting parts from corroding the sealing gasket. The anti-skid protrusion 6 is in contact with the connecting parts, which can effectively prevent skidding, which is beneficial to increase the stability of the sealing gasket, and the two connecting parts are pressed, and the tightening airbag 3 is squeezed to produce deformation, and pushes the elastic pad 5 to expand, so that the elastic pad 5 is in close contact with the connecting parts, and effective sealing can be achieved. During the sealing process of the sealing gasket, if the two connecting parts are slightly loosened and the gap between them increases, although the tightening airbag 3 is squeezed less, it is still in a state of pushing the elastic pad 5, so that it maintains a close contact state with the connecting parts. The wear-resistant gasket 2 will protect the side wall of the gasket body 1 from wear, has good wear resistance, and is beneficial to increase the service life of the sealing gasket.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A corrosion-resistant sealing gasket, comprising a gasket body (1), a wear-resistant gasket (2), a tightening airbag (3), and a corrosion-resistant coating (4), characterized in that: The wear-resistant gasket (2) is fixedly connected to the upper and lower sides of the gasket body (1); a movable cavity is provided at the edge of the wear-resistant gasket (2); the tightening airbag (3) is fixedly provided in the movable cavity; elastic pads (5) matching the movable cavity are connected to the inner and outer walls of the wear-resistant gasket (2); a plurality of anti-skid protrusions (6) are integrally formed on the inner and outer walls of the gasket body (1); and corrosion-resistant coatings (4) are provided on the side walls of the gasket body (1), the wear-resistant gasket (2), the elastic pad (5) and the anti-skid protrusions (6).

2. The corrosion-resistant sealing gasket according to claim 1, characterized in that: The wear-resistant washer (2) and the washer body (1) have the same inner and outer diameters.

3. The corrosion-resistant sealing gasket according to claim 1, characterized in that: The anti-slip protrusion (6) is hemispherical.

4. The corrosion-resistant sealing gasket according to claim 1, characterized in that: The gasket body (1) and the anti-slip protrusion (6) are made of rubber material.

5. The corrosion-resistant sealing gasket according to claim 1, characterized in that: The wear-resistant gasket (2) is made of polyurethane elastomer.

6. The corrosion-resistant sealing gasket according to claim 1, characterized in that: The elastic pad (5) is made of silica gel.

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