A ratchet wrench

A technology of ratchet wrench and ratchet wheel, which is applied in the field of ratchet wrench, and can solve the problems of losing the fulcrum, slipping and breaking of the ratchet wheel 3, etc.

Active Publication Date: 2019-04-30
AFICIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, during Figure 5 As shown, the operator wants to use the ratchet wrench to cooperate with the sleeve to lock and apply force to the workpiece. If he is subjectively afraid that the applied force is not enough to lock the workpiece, he will often add a handle to the tail end of the handle 22 of the body 2. Connect a sleeve (not shown) to extend the moment arm, causing the applied force to exceed the limited and bearable torsion force at the meshing point A of the ratchet 31 of the ratchet 3 and the tooth portion 41 of the catch block 4, resulting in tooth collapse , because the number of teeth 41 of the stop block 4 i...

Method used

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  • A ratchet wrench
  • A ratchet wrench
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Examples

Experimental program
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Embodiment Construction

[0057] In order to describe in detail the structural features and effects of the present invention, preferred embodiments are listed hereafter in conjunction with the drawings.

[0058] See Figure 6 to Figure 10 Shown is the first embodiment of the ratchet wrench of the present invention, which includes: a body 20, a ratchet 30, two detent blocks 40, a reversing member 50, two elastic members 60 and a cover 70; among them,

[0059] The body 20 has a head 201 and a handle 202. The head 201 extends from one end of the handle 202. The head 201 has a first accommodating groove 2011 and a communicating second accommodating groove 2012. The accommodating groove 2011 and the second accommodating groove 2012 are open on both sides of the head 201, and the first accommodating groove 2011 and the second accommodating groove 2012 have a connecting portion 2013 on one side of the head 201, and the second accommodating groove The wall surface of the groove 2012 different from the first receivi...

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PUM

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Abstract

The invention provides a ratchet wrench. The ratchet wrench comprises a body, a ratchet, two braking blocks, two elastic pieces and a reversing piece. The material strength of the braking block is greater than that of the ratchet; in a ratchet wrench pulling operation, if the applied force exceeds the limited and bearable torsion at the meshed part of the ratchet teeth of the ratchet and the teethpart of the braking block to cause tooth breakage, the tooth part of the braking block is instantly meshed and positioned with a good ratchet tooth which is positioned behind the broken tooth and isengaged again, so that the effect of ensuring the operation and personal safety of an operator is achieved.

Description

Technical field [0001] The invention relates to an operator using the ratchet wrench for pulling operation, if an excessive force is applied to exceed the limit and can withstand the torque at the meshing position of the ratchet teeth of the ratchet and the teeth of the detent block, it can ensure Ratchet wrench for operator work and personal safety. Background technique [0002] Conventional ratchet wrench, such as Figure 1 to Figure 5 As shown, it includes: a body 2, a ratchet 3, two detent blocks 4, a reversing member 5, two elastic members 6 and a cover 7; wherein, the body 2 has a head 21 and a handle 22 , The head 21 extends from one end of the handle 22, the head 21 has a first accommodating groove 211 and a communicating second accommodating groove 212, the first accommodating groove 211 and the second accommodating groove 212 are open in the head The first accommodating groove 211 and the second accommodating groove 212 have a connecting portion 213 on the side of the h...

Claims

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Application Information

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IPC IPC(8): B25B13/46
CPCB25B13/463
Inventor 廖显临
Owner AFICIAL CO LTD
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