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Torque wrench

A torque wrench and wrench technology, applied in the field of torque wrenches, to achieve the effect of continuous torque accuracy, avoiding the influence of resistance, and low friction

Active Publication Date: 2013-12-18
上海欧唯斯工具制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The prior art uses an extra leverage mechanism within the wrench body - supplementing this longer release formation but necessarily creating unwanted appendages within the wrench body and at unnecessary additional cost

Method used

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Examples

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Embodiment Construction

[0045] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0046] combine Figure 1 to Figure 7 As shown in , a torque wrench includes a wrench head part 1 and a wrench body 2, wherein an elastic part 3, a release mechanism 4 and a torque resistance are sequentially arranged in the wrench body 2 along the linear axial direction of the wrench body 2 The lever 5, the elastic part 3 is connected with the release mechanism 4 (marked by the frame in the drawing), and the release mechanism 4 is connected with the wrench body 2 through the torque resistance lever 5 .

[0047] In one embodiment of the present invention, the release mechanism 4 includes a guide plate 40, a cam follower 41 and a bearing wheel 42, wherein the guide plate 40 is arranged on the upper end of the elastic member 3, and the cam follower 41 is arranged on the guide plate 40 and the beari...

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Abstract

The invention discloses a torque wench which comprises a wrench head assembly and a wrench body. The wrench head assembly is arranged at the upper end of the wrench body, an elastic assembly, a release mechanism and a torque resistance lever are sequentially arranged in the wrench body along the axial direction of the wrench body from bottom to top, the elastic assembly is connected with the release mechanism, the release mechanism is connected with the torque resistance lever, the front end of the torque resistance lever is connected with the wrench head assembly, and the torque resistance lever is connected with the upper end of the wrench body. The torque wrench has the advantages that by the aid of a rolling surface and a large-diameter bearing wheel without a support, unnecessary side load on a force spring can be reduced, the side load is generated due to eccentric compression of an existing bearing wheel, an action extension stroke for an impulsive signal can be provided under the condition that the yield strength of a compression spring is not surpassed.

Description

technical field [0001] The invention relates to the field of wrench manufacture, in particular to a torque wrench. Background technique [0002] There are two standard types of manual torque wrenches specified by the International Standard ISO6789. A Type 2 torque wrench is one of those standards. This type of wrench presets a predetermined torque value before use and provides various types of signals when the preset value is reached. [0003] This invention applies to torque tools of type 2 classes as described in ISO6789, ASME B107.14 in the United States, and similar standards in other countries. The signaling method for type 2 wrenches varies between classes and manufacturers, but the most common method is to provide a The momentary release of torque resistance, sometimes called momentum, is often accompanied by a snap or click especially at the full range of wrench operation. In fact, the method is so common that most types of setting wrenches are called "click wrenc...

Claims

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Application Information

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IPC IPC(8): B25B23/142B25B13/00
CPCB25B13/463B25B23/1427
Inventor 史蒂夫·宝合
Owner 上海欧唯斯工具制造有限公司
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