Elastic sealing gasket

Abstract

The invention discloses an elastic sealing gasket. The elastic sealing gasket comprises a lower backing plate. The top end of the lower backing plate is fixedly connected with a first clamping sleeve.One end of the first clamping sleeve is fixedly connected with a first baffle. The first clamping sleeve sleeves a second clamping sleeve. One end of the second clamping sleeve is fixedly connected with a second baffle. The other end of the second clamping sleeve is fixedly connected with an upper backing plate. The middle of the top end of the lower backing plate is fixedly connected with a plurality of springs. One end of each spring is fixedly connected with the middle of the bottom end of the upper backing plate. The edge side of the top end of the lower backing plate is fixedly connectedwith a sealing ring. An air bag is arranged in the sealing ring in a sleeving mode. An inflation hole is formed in one side of the interior of the lower backing plate. An inflation nozzle is arrangedin the inflation hole. One end of the inflation nozzle penetrates through the sealing ring to communicate with the air bag. Through overall structural arrangement, the gasket sealing effect is better, a damping effect is achieved, and the service life is prolonged.

Description

technical field [0001] The invention relates to the field of seals, in particular to an elastic sealing gasket. Background technique [0002] Sealing gaskets are commonly used parts in machinery. As long as there is fluid in the pipeline, sealing gaskets need to be used to seal the inside and outside, and the sealing gaskets play a sealing role. Most of the existing sealing gaskets are simple in design, and are simply made of metal or non-metallic materials, resulting in poor elasticity of the sealing gasket, poor sealing effect, and the gasket does not have a shock-absorbing effect. During mechanical vibration, the gasket will The extrusion force is generated, causing the gasket to deform and be damaged, resulting in a short service life. [0003] The invention with the patent No. 201620529565.3 proposes an elastic sealing gasket. A spring is arranged in the gasket, and the sealing ring is forced to expand outward by the spring force to increase the sealing effect of the g...

AI Technical Summary

Problems solved by technology

Most of the existing sealing gaskets are simple in design, and are simply made of metal or non-metallic materials, resulting in poor elasticity of the sealing gasket, poor sealing effect, and the gasket does not have a shock-absorbing effect. When mechanical vibration occurs, the gasket will Extrusion force is generated, causing the gasket to deform and be damaged, resulting in a short service life

[0003] The invention with the patent No. 201620529565.3 proposes an elastic sealing gasket. A spring is arranged in the gasket, and the sealing ring is forced to expand outward by the spring force to increase the sealing effect of the gasket. However, the elastic sealing gasket has the following disadvantages: 1. The expansion of the sealing ring depends on a number of springs arranged crosswise in the gasket. Only some points in the sealing ring receive the expansion force, resulting in uneven distribution of the outward expansion force of the sealing ring, and the sealing effect is slightly insufficient.

[0004] 2. There are only horizontal springs in the structure, and there is no elastic force in the longitudinal direction, so that the gasket has no shock absorption effect. During the mechanical movement, the gasket will vibrate, which will cause the gasket to be easily damaged and reduce the service life.

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