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Overload preventing lock wrench

An anti-overload, high-strength pliers technology, applied in the direction of hand-held metal shearing equipment, shearing machine equipment, shearing devices, etc. The effect of torque, protection jaws, and large access space

Inactive Publication Date: 2018-02-23
邹城市恒昊纺织有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Generally, the shearing force of the pliers on the market is relatively large. Due to the increased length of the handle, when the clamped steel wire and other items are not easy to cut, people will use the principle of leverage to increase the extension rod to cut it. However, sometimes the stress is too large. , it is easy to cause damage to the jaws or handles

Method used

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  • Overload preventing lock wrench

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Embodiment 1

[0013] A mushroom house vent, such as figure 1 Shown, in order to solve above-mentioned technical problem, the present invention is solved by following technical scheme:

[0014] A kind of anti-overload forceps, comprising a pincer head 3, the pincer head 3 is composed of two jaws, the rear ends of the two jaws are respectively provided with a fixed handle 1 and a telescopic handle 5, and the fixed handle 1 and the telescopic handle The handle 5 is hinged by a pin shaft 7; the middle part of the pliers head 3 is provided with a half-moon jaw 9, and the material of the jaw 9 is hard alloy steel. The front part of the fixed handle 1 is provided with an anti-overload device, and the middle part is provided There is a fixer 8 that can be opened, and the front end of the jaw 9 of one of the jaws of the clamp head 3 is provided with an anti-off stopper 4, and the anti-off stopper 4 is sickle-shaped, and the end of the fixed handle 1 is provided with The bend handle 2; the telescopi...

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PUM

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Abstract

The invention relates to the field of hardware tools, in particular to an anti-overload pliers, including a pliers head, the pliers head is composed of two pieces of tongs, and the rear ends of the two pieces of tongs are respectively provided with a fixed handle and a retractable handle. The fixed handle and the telescopic handle are hinged through pin shafts; the middle part of the pliers head is provided with a half-moon jaw made of hard alloy steel, and the front part of the fixed handle is provided with an anti-overload device. This solution is equipped with an overload prevention device at the jaws. When the object to be clamped exceeds the load, the fixed handle is bent to effectively protect the jaws.

Description

technical field [0001] The invention relates to the field of hardware tools, in particular to an overload-proof pliers. Background technique [0002] Generally, the shearing force of the pliers on the market is relatively large. Due to the increased length of the handle, when the clamped steel wire and other items are not easy to cut, people will use the principle of leverage to increase the extension rod to cut it. However, sometimes the stress is too large. , it is easy to cause damage to the jaws or handles. Contents of the invention [0003] In order to solve the above problems, the present invention provides an overload-proof pliers. [0004] In order to solve the above technical problems, the present invention is solved through the following technical solutions: [0005] An anti-overload pliers, comprising a pliers head, the pliers head is composed of two jaws, and the rear ends of the two jaws are respectively provided with a fixed handle and a telescopic handle, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23D29/02
CPCB23D29/023
Inventor 陈玲
Owner 邹城市恒昊纺织有限公司
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