Universal spanner

A wrench and wrench head technology, applied in the field of universal wrench, can solve the problems of being unable to disassemble bolts and insufficient torque of flexible shafts, etc., and achieve the effect of simple structure, convenient carrying, and convenient screw installation or disassembly

Inactive Publication Date: 2017-09-05
黄宽平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the flexible shaft of this device has insufficient torsion and cannot be used to disassemble and assemble bolts with larger dimensions or greater friction, so the structure of the device needs further improvement

Method used

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  • Universal spanner
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Embodiment Construction

[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0021] Such as Figure 1 to Figure 5 As shown, the universal wrench of this embodiment includes a wrench 1 capable of screwing bolts, and the universal wrench also includes a transmission part, which transmits the torque to the screwing part 2 of the wrench 1 through the transmission part. The wrench 1 is set concentrically with the drive gear 11 capable of driving the wrench 1 to rotate, the screw part 2 is set concentrically with the screw gear 21, and the transmission part is composed of N groups of adjacent transmission groups that can rotate relatively, each group A transmission gear 3 for transmitting torque is arranged in the transmission group, and the driving gear 11 is meshed with the transmission gear 3 of the first transmission group, and the transmission gear 3 in the last transmission group is meshed with the screw gear 21. N is...

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PUM

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Abstract

A universal wrench, comprising a wrench head, a transmission part, a screwing part, the wrench head is concentrically arranged with a driving gear capable of driving the wrench head to rotate, the screwing part is concentrically arranged with the screwing gear, and the transmission parts are arranged in N groups adjacent to each other. It is composed of rotating transmission groups, each transmission group is equipped with a transmission gear for transmitting torque, the driving gear is meshed with the transmission gear of the first transmission group, and the transmission gear of the last transmission group is meshed with the screwing gear, N is a natural number not less than 3. The advantage is that the torsional force of the screwing part is transmitted to the wrench head through the transmission part, so as to realize the use purpose of the wrench head to twist the bolt. Since the transmission part is composed of N sets of adjacent transmission groups that can rotate relatively, the transmission part can be adjusted. The shape extends into a small space or a hidden place to complete the screwing operation; the torque from the screwing part to the wrench is transmitted through the gears, and the meshing between the gears is stable and not easy to disengage, and the torque can be effectively transmitted, even if the bolts are firmly connected. Twist to install or remove.

Description

technical field [0001] The invention relates to the technical field of screwing tool production, in particular to a universal wrench. Background technique [0002] An existing Chinese utility model patent with the patent number CN200720073719.3 titled "Universal Wrench" discloses a universal wrench, which is characterized in that it includes a wrench and a handle, and the wrench and the handle are installed on bendable flexible both ends of the shaft. The universal wrench in the utility model can effectively solve the problems of dismantling and installing bolts in hidden positions in narrow spaces, shorten construction time, ensure construction quality, and improve labor efficiency. However, the torsion of the flexible shaft of this device is not enough, so it cannot be used to disassemble and assemble bolts with large size or high friction force, so the structure of this device needs to be further improved. Contents of the invention [0003] The technical problem to be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B23/16B25B13/00
CPCB25B23/16B25B13/00
Inventor 不公告发明人
Owner 黄宽平
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