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Chain spanner

A technology of chain and wrench, which is applied in the field of chain wrench, which can solve problems such as pipeline leakage, affecting the normal use of pipelines, and pipeline rupture.

Inactive Publication Date: 2013-04-24
SHANDONG DAYE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the installation is not firm, it will cause the pipeline to leak or even burst.
At the same time, because the general plastic material is brittle and has low rigidity, when installing or disassembling the valve, if a general wrench is used, the pipe will break and affect the normal use of the pipe.

Method used

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  • Chain spanner

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Embodiment Construction

[0009] Such as figure 1 As shown, the present invention is provided with a hook 2 at one end of the handle 1, and a fastening chain 3 is connected to the inside of the hook 2. Through the above settings, the present invention is used for the installation and disassembly of plastic pipes or valves. During use, the fastening chain 3 is wound on the plastic pipe or valve, and after tensioning, the hook 2 is hung on the fastening chain 3, and the handle 1 is turned. It can flexibly rotate plastic pipes or valves without causing damage to plastic pipes or valves.

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Abstract

The invention discloses a chain spanner which is characterized in that a hook is arranged at one end of a handle, and the inside of the hook is connected to a fastening chain. The chain spanner is used for installation and removal of plastic pipes or valves, the length of the fastening chain can be flexibly regulated according to sizes of the valves to be installed or removed, and damages on plastic pipes and the valves can be avoided.

Description

technical field [0001] The invention relates to a hardware tool, in particular to a chain wrench. Background technique [0002] When installing plastic pipes, it is inevitable to install valves and joints. If the installation is not firm, it will cause the pipeline to leak or even burst. Simultaneously, because general plastic material is brittle, rigidity is little, when installing or dismantling valve, if use common wrench can cause pipeline rupture, influence the normal use of pipeline. Contents of the invention [0003] The object of the present invention is to provide a chain wrench which can complete the installation and disassembly of plastic pipes or valves. [0004] In order to achieve the above object, the present invention is provided with a hook at one end of the handle, and a fastening chain is connected to the inner side of the hook. [0005] Through the above settings, the present invention is used for the installation and disassembly of plastic pipes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B13/52
Inventor 窦勇王金武李文军
Owner SHANDONG DAYE
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