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Gasket with built-in spring

A technology of built-in springs and gaskets, which is applied in the field of metal parts, can solve problems such as poor fit, gaskets that cannot make up for gaps, and easy deformation, and achieve the effect of sealing and elastic guarantees

Inactive Publication Date: 2018-12-21
仪征奥马机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing gaskets are easily deformed after a long time of use, and the gaskets cannot play the role of making up the gap
In addition, during the use of the gasket, its sealing effect is deteriorated due to the poor fit between the gasket and the nut or the mechanical surface

Method used

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  • Gasket with built-in spring

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0011] Such as figure 1 As shown, a built-in spring gasket includes expanded graphite 1 and a lower skeleton 2; the expanded graphite 1 is set in an I-shape, the upper part of the expanded graphite 1 is an upper pressure plate 3, and the lower part of the expanded graphite 1 is a lower bearing plate 4; the inner peripheral surface of the lower skeleton 2 is provided with a groove 5 inwardly, and the groove 5 can cooperate with the lower bearing plate 4 of the expanded graphite 1; the lower bearing plate 4 of the expanded graphite 1 and the concave A spring 6 is arranged between the bottoms of the grooves 5 .

[0012] The distance from the lower plane of the upper platen 3 to the upper plane of the lower frame 2 is greater than the distance from the lower plane of the lower bearing plate 4 to the bottom of the groove 5 .

[0013] The above-mentioned spring 6 is obliquely arranged inside the groove 5 .

[0014] The two ends of the lower bearing plate 4 are provided with wear-r...

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PUM

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Abstract

The invention discloses a gasket with a built-in spring. The gasket comprises expanded graphite and a lower framework, wherein the expanded graphite is I-shaped; an upper pressing plate is arranged atthe upper part of the expanded graphite; a lower bearing plate is arranged at the lower part of the expanded graphite; a groove is inwardly formed in the internal circumferential surface of the lowerframework; the groove can be matched with the lower bearing plate of the expanded graphite; and a spring is arranged between the lower bearing plate of the expanded graphite and the bottom of the groove. The gasket with the built-in spring is simple in structure, strong in elasticity and high in leaktightness.

Description

technical field [0001] The invention relates to the field of metal parts, in particular to an inner spring washer. Background technique [0002] Pad is two mechanical seals between object, usually being under pressure between two objects that prevent, the leakage of naturally expanding with heat and contract with cold of burn into and pipeline. Since machined surfaces can never be perfect, irregularities can be filled with shims. Gaskets are usually made of sheet materials such as paper pads, rubber, silicone rubber, metal, cork, felt, neoprene, nitrile rubber, fiberglass or plastic polymers such as Teflon. Gaskets for certain applications may contain asbestos. The existing gasket is easily deformed after a long service time, and the gasket cannot play the role of making up the difference. In addition, during the use of the gasket, its sealing effect is deteriorated due to the poor fit between the gasket and the nut or the mechanical surface. Contents of the invention ...

Claims

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Application Information

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IPC IPC(8): F16B43/00
CPCF16B43/00
Inventor 吴国林
Owner 仪征奥马机械有限公司