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Sealing device for inner part of equipment

A sealing device and equipment technology, which is applied in the direction of engine sealing, mechanical equipment, engine components, etc., can solve problems that restrict equipment performance and efficiency

Inactive Publication Date: 2015-06-10
INST OF MECHANICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the equipment has serious internal leakage, it will restrict the performance and efficiency of the equipment itself

Method used

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  • Sealing device for inner part of equipment
  • Sealing device for inner part of equipment

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Embodiment Construction

[0011] Such as Figure 1-2 As shown, the internal sealing device of this kind of equipment has a first relative sliding surface 1 and a second relative sliding surface 2 that slide relatively. The sealing device includes a sealing strip 3 and an elastic element 7, which are provided on the second relative sliding surface. There is a sealing strip groove 6, the sealing strip is installed in the sealing strip groove and partially exposed the sealing strip groove, a first installation groove 4 is provided on the sealing strip, and a second installation groove 5 is provided on the bottom wall of the sealing strip groove. The elastic element is put into the first installation groove and the second installation groove.

[0012] The internal sealing device of this kind of equipment can actively seal the gap between the first relative sliding surface and the second relative sliding surface that slide relative to each other. With the increase of equipment operation time, the wear of the r...

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Abstract

The invention discloses a sealing device for the inner part of equipment. The sealing device has good sealing effect, significantly reduces the internal leakage rate of the equipment, and improves the overall performance of the equipment. According to the sealing device, the inner part of the equipment has a first relative sliding surface and a second relative sliding surface which can slide relatively; the sealing device comprises a sealing strip and an elastic element; a sealing strip groove is arranged in the second relative sliding surface; the sealing strip is mounted in the sealing strip groove and is partly exposed out of the sealing strip groove; a first mounting groove is arranged in the sealing strip; a second mounting groove is arranged in a bottom wall of the sealing strip groove; the elastic element is placed into the first mounting groove and the second mounting groove.

Description

Technical field [0001] The invention belongs to the technical field of mechanical seals, and specifically relates to a sealing device inside a device. Background technique [0002] Commonly used sealing devices are generally used to prevent the working fluid from leaking from the equipment or foreign impurities from entering the inside of the equipment. Avoiding the working fluid from leaking will reduce equipment efficiency, cause waste and pollute the environment. [0003] However, the sealing inside the equipment is equally important and has an important impact on equipment efficiency. For example, in work equipment such as expanders, there are high-pressure and low-pressure cavities. If the sealing effect is not good, the working fluid will leak from the high-pressure cavity into the low-pressure cavity. This part of the working fluid does not perform external work, resulting in low equipment efficiency . Another example is that in compressors and other supercharged equipment...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J15/18
CPCF16J15/186
Inventor 潘利生魏小林李博李腾涂铭海
Owner INST OF MECHANICS - CHINESE ACAD OF SCI