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Telescopic mechanism

A technology of telescopic mechanism and telescopic rod, which is applied in the direction of valve casing structure, mechanical equipment, engine components, etc., can solve problems such as poor drainage, failure of telescopic mechanism, and inability to telescopic movement of the valve core, and achieve simple structure, good stability and reliability effect

Active Publication Date: 2017-02-01
海宁家纺产业基地投资开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After this type of drain valve has been used for a period of time, solid objects (especially human hair) are deposited in the valve body, resulting in blockage of the water flow channel in the valve body and poor drainage.
Even too much human hair hangs in the spool and / or telescopic mechanism, resulting in problems such as the inability of the spool to telescopically move, or the failure of the telescopic mechanism, which reduces the service life
[0003] In addition, the structure of the telescopic mechanism of the existing drain valve is relatively complicated, and generally requires the cooperation of two relatively rotating toothed rotating parts.

Method used

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Embodiment Construction

[0010] like Figure 1 to Figure 21 A drain valve shown includes a valve body 10, a valve core 20 and a telescopic mechanism 30; the valve body 10 is provided with a water inlet 101, a water outlet 102 and a water flow channel 103 extending from the water inlet 101 to the water outlet 102; The telescopic mechanism 30 is installed in the valve body 10. In this embodiment, the telescopic mechanism 30 is located on the water flow channel 103; the valve core includes a mandrel and a gland 201 that can be pressed by the user. connected, and the other end of the mandrel is inserted into the valve body 10 from the water inlet 101 and connected with the telescopic mechanism 30, especially, the lower end of the large diameter section of the lower mandrel of the mandrel is inserted into the valve body 10 from the water inlet 101 And connected with the telescopic mechanism 30; when the gland 201 is pressed, the telescopic mechanism 30 drives the valve core to switch between an open positi...

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Abstract

The invention relates to a telescopic mechanism. The telescopic mechanism comprises a shell, a telescopic rod, a compression spring, a limiting sleeve and a movable pin. The telescopic rod comprises a base part and a push rod part. A base part containing hole is formed in the base part. A rail groove is formed in the side face of the base part, the base part of the telescopic rod is sleeved with the limiting sleeve in a sliding manner, and a limiting sleeve sliding groove is formed in the side wall of the limiting sleeve. One end of the movable pin penetrates the limiting sleeve sliding groove to stretch into the rail groove, and the other end of the movable pin is reserved in the limiting sleeve sliding groove. A shell containing cavity is formed in the shell, a shell opening communicating with the shell containing cavity is formed in the top of the shell, the limiting sleeve is arranged in the shell containing cavity, and the outer end, away from the base part, of the push rod part of the telescopic rod stretches out of the shell from the shell opening. The compression spring is arranged in the base part containing hole, one end of the compression spring abuts against the hole bottom of the base part containing hole, and the other end of the compression spring abuts against the shell. The telescopic mechanism is simple in structure, and the telescopic motion has good stability and reliability.

Description

technical field [0001] The invention relates to a telescoping mechanism. Background technique [0002] In the prior art, the drain valves used in sanitary equipment such as washbasins and bathtubs are generally press telescopic valves, which include a valve body, a valve core and a telescopic mechanism. After this type of drainage valve is used for a period of time, solid matter (especially human hair) is deposited in the valve body, which causes the water flow channel in the valve body to be blocked and the drainage is not smooth. Even too much human hair hangs in the spool and / or the telescopic mechanism, resulting in problems such as the inability of the spool to telescopically move, or the failure of the telescopic mechanism, which reduces the service life. [0003] In addition, the structure of the telescopic mechanism of the existing drain valve is relatively complicated, generally requiring the cooperation of two relatively rotating toothed rotating parts. Contents...

Claims

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Application Information

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IPC IPC(8): F16K31/44F16K1/00F16K27/02E03C1/23E03C1/264
CPCE03C1/2302E03C1/2306E03C1/264F16K1/00F16K27/0254F16K31/44
Inventor 张玉莲
Owner 海宁家纺产业基地投资开发有限公司
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