Seal tension spring

A tension spring and sealing ring technology, applied in the field of tension springs, can solve the problems of short service life, product corrosion and corrosion, and achieve the effect of long service life and wide application fields.

Inactive Publication Date: 2012-10-03
江苏亚希维医疗器械有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the currently used extension springs, since there is no protective device on the outside, the springs are directly exposed, so the products are severely corroded and have a short service life.

Method used

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  • Seal tension spring

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Embodiment Construction

[0010] A kind of sealing extension spring of the present invention, see figure 1 , the sealing tension spring includes a tension spring 1 and an outer tube 2, the tension spring 1 is arranged in the outer tube 2; The front end is connected with the shaft 5; the bottom of the shaft 5 is provided with a step 51, and the front end of the extension spring 1 is fixed on the bottom of the shaft 5 through the step 51. A tailstock 6 is provided at the rear of the outer tube 2, and the rear end of the extension spring 1 is connected with the outer tooth connecting rod 7, and the outer tooth connecting rod 7 extends to the outside of the tailstock 6 and is connected with the inner tooth connecting sleeve 8; A sealing ring 9 is provided between 7 and the tailstock 6 .

[0011] The invention has good sealing effect, is not affected by environmental factors during use, does not rust and corrode, has long service life and wide application fields.

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Abstract

The invention discloses a seal tension spring, which includes a tension spring and an outer tube, wherein the tension spring is arranged in the outer tube; a seal framework is arranged at the front part of the outer tube, a guide sleeve is arranged at the front end of the outer tube, and the front end of the tension spring is connected with a shaft; a tail seat is arranged at the rear part of the outer tube, the rear end of the tension spring is connected with an external tooth connecting rod, and the external tooth connecting rod stretches to the outside of the tail seat and is connected with an internal tooth connecting sleeve; and a seal ring is arranged between the external tooth connecting rod and the tail seat. During the use process, the seal tension spring is not influenced by environmental factors, rusted or corroded, and has the advantages of long service life and wide application field.

Description

technical field [0001] The invention relates to an extension spring, in particular to a sealing extension spring. Background technique [0002] In the currently used extension springs, because there is no protective device on the outside, the springs are directly exposed, so the products are seriously corroded and have a short service life. Contents of the invention [0003] In order to overcome the problems existing in the prior art, the object of the present invention is to provide a sealing extension spring, which is not affected by environmental factors during use, does not rust and corrode, has a long service life and has a wide range of applications. [0004] The purpose of the present invention is achieved through the following technical solutions: [0005] A sealing extension spring, characterized in that: the sealing extension spring includes an extension spring and an outer tube, and the extension spring is arranged in the outer tube; a sealing frame is arran...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J15/16
Inventor 尹向阳
Owner 江苏亚希维医疗器械有限责任公司
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