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Clamping device for clamping fasteners

A technology for clamping devices and fasteners, applied in the direction of wrenches, manufacturing tools, wrenches, etc., can solve the problems of large size, high manufacturing cost, complex structure of clamping devices, etc., to ensure the clamping state and prevent clamping The effect of too tight or loose clamping

Active Publication Date: 2016-02-10
NANJING CHERVON IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the clamping device has a complex structure, large dimensions, and high manufacturing costs

Method used

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  • Clamping device for clamping fasteners
  • Clamping device for clamping fasteners
  • Clamping device for clamping fasteners

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0044] Such as Figure 12-17 As shown, it shows the third embodiment of the clamping device of the present invention. In the third embodiment, the clamping device of the present invention has the function of preventing the clamping from being too tight or loose, so as to keep the clamping device function in the preset clamped state.

[0045] Such as Figure 13 As shown, the receiving part 2'' of the clamping body is constructed integrally with the support shaft 6'', forming the first part of the support shaft 6''. The clamping device 10'' includes a pair of jaws 4'', and correspondingly, a pair of notches 24'' for accommodating the jaws 4'' are formed on the receiving portion 2''. The first biasing element 5'' is installed between the two jaws 4'', and its two ends are respectively located in the circular grooves 42'' of the two jaws 4''. A pin 43'' is provided in the circular groove 42'', which can better position the first biasing element 5''. In this embodiment, the fir...

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PUM

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Abstract

The invention relates to a clamping device for clamping a fastening piece. The clamping device for clamping the fastening piece comprises a clamping jaw, a first biasing member, a clamping body and a driving component, wherein the first biasing member is biased on the clamping jaw; the clamping body is provided with a central axis; a notch for containing the clamping jaw is formed on the clamping body; the driving component is used for driving the clamping jaw to clamp and is supported on the clamping body; the clamping body comprises a first holding element; the driving component comprises a second holding element; the first holding element is matched with the second holding element, which is used for holding the clamping device at a preset clamping state. According to the clamping device provided by the invention, the clamping device can be effectively prevented from being clamped tightly or loosely, and can be kept at the preset clamping state.

Description

technical field [0001] The invention relates to a clamping device for clamping fasteners. Background technique [0002] A clamping device for clamping fasteners is usually attached to an electric wrench or a manual wrench, and the clamped fasteners are mostly bolts. Currently commonly used clamping devices have various specifications in order to adapt to fasteners of different sizes. However, due to the many specifications of the clamping device, on the one hand, it is inconvenient to carry; [0003] International Patent Publication No. WO2009132426 discloses an adjustable clamping device, which can clamp bolts of various specifications. However, the clamping device has a complex structure, large dimensions and high manufacturing cost. Contents of the invention [0004] In order to overcome the defects of the prior art, the object of the present invention is to provide a clamping device capable of preventing clamping from being too tight or loose. [0005] In order to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25B13/44
CPCB25B13/44
Inventor 倪桂功陈亮
Owner NANJING CHERVON IND