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Insulating ratchet wrench

A ratchet wrench and wrench technology, applied in the field of wrenches, can solve the problems of dangerous work, lack of insulation, and poor idling, and achieve the effects of avoiding damage, prolonging service life, and avoiding concentrated stress.

Inactive Publication Date: 2015-06-17
周少岐
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Most of the existing wrenches have a metal surface and are not insulated. If the user accidentally uses it in a live situation, the user is prone to electric shock accidents and there is danger during work.
Therefore, this wrench cannot be used in live situations, which greatly limits the range of use of the wrench.
In addition, the ratchet teeth of the traditional ratchet wrench are 45°
For this structure, on the one hand, the damping accuracy is not high and the strength is insufficient; on the other hand, the friction coefficient during idling is relatively large, which not only leads to poor idling, but also affects the service life of the wrench

Method used

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Experimental program
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Embodiment Construction

[0018] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0019] Insulated ratchet wrench disclosed by the present invention, such as figure 1 As shown, it includes a wrench body 10, a ratchet 20, and a locking mechanism. Wherein, the wrench body 10 is provided with an annular through hole 15, which can penetrate through the wrench body 10 or not penetrate, and the function of the through hole 15 is to trap the nut to be operated. In addition, the ratchet 20 is embedded in the through hole 15 and rotates around the axial direction of the through hole. In other words, the ratchet 20 is placed in the through hole 15 and cannot be separated from the through hole 15, but can rotate freely therein; The body 10 is also provided with a groove body 40 for setting the locking mechanism. Specifically, the locking mechanism includes a locking block 31 and a spring 32. One end of the spring 32 abuts against one end of the lock...

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Abstract

The invention provides an insulating ratchet wrench which comprises a wrench body, a ratchet and a locking mechanism. The wrench body is provided with an annular through hole, and the ratchet is arranged in the through hole and rotates in the axial direction of the through hole. The wrench body is further internally provided with a groove body for setting the locking mechanism. The locking mechanism comprises a locking block and a spring. One end of the spring is connected with one end of the locking block in an abutted mode, and the other end of the spring is connected with the end side wall of the groove body in an abutted mode. The end, not connected with the spring in the abutted mode, of the locking block is provided with locking teeth, and the locking teeth are meshed with the ratchet. An insulating layer is arranged outside the wrench body. According to the design, an insulator is arranged outside the wrench, it is guaranteed that workers can safely use the wrench to work even if in the electriferous environment, the safe production purpose is achieved, and production efficiency is improved.

Description

technical field [0001] The invention relates to the field of mechanical tools, in particular to a wrench. Background technique [0002] Most of the existing wrenches have a metal surface and do not have insulating properties. If the user accidentally uses it in a live situation, the user is prone to electric shock accidents, and there is danger during work. Therefore, this wrench cannot be used for live occasions, so that the range of use of the wrench is greatly limited. In addition, the ratchet teeth of the traditional ratchet wrench are 45°. For this structure, on the one hand, the damping accuracy is not high and the strength is insufficient; on the other hand, the friction coefficient during idling is relatively large, which not only leads to poor idling, but also affects the service life of the wrench. Contents of the invention [0003] The object of the present invention is to provide an insulated ratchet wrench, which can solve one or more of the above-mentioned ...

Claims

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Application Information

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IPC IPC(8): B25B13/46
CPCB25B13/46B25B13/463B25B23/00
Inventor 周少岐
Owner 周少岐
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