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Improved locking pliers

A technology of pliers and pliers, applied in pliers, manufacturing tools, etc., can solve problems such as poor stability in use, inverted nuts, and unsightly appearance, and achieve the effect of simple appearance, compact structure, and high stability in use

Inactive Publication Date: 2008-08-27
刘济榕
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although the above-mentioned pliers can adjust the clamping force of its jaws, because the nut is exposed on the outside of the fixed pliers
Therefore, the appearance is not beautiful
Moreover, the nut may be reversed during the use of the pliers, which will affect the normal use of the pliers
Therefore, its use stability is relatively poor

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0022] Such as figure 1 and figure 2 As shown, the improved pliers are composed of a main pliers body 1, an auxiliary pliers body 2, a jaw one 3, a jaw two 4, a connecting rod 5, a stopper 7 and a guide 6 and the like.

[0023] Jaw one 3 is fixedly connected to the front end of main pliers body 1, jaw two 4 is corresponding to the position of jaw one 3 and jaw two 4 is hinged on the jaw one 3. The other side of jaw two 4 is hinged with the front end of auxiliary tong body 2, and auxiliary tong body 2 is corresponding to main tong body 1.

[0024] There is a groove 1a on the main pliers body 1, and the groove 1a is formed by stamping a sheet-like plate material at one time. A guide rod 12 is arranged in the groove 1a, and a stop edge 1b and a stop edge 2 8 are also provided at the groove 1a, and the stop edge 1b and the stop edge 2 8 are respectively located at two ends of the guide rod 6 . The second retaining edge 8 is located at the rear end of the main pliers body 1, an...

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Abstract

The invention provides an improved powerful clamp, belonging to the field of mechanical technology, solving the problem of unaesthetic and bad stability of use of the prior powerful clamp, comprising a main clamp body and a secondary clamp body, wherein the front end of the main body is fixedly connected with a first nip and hinged with a second nip corresponding to the first nip; the other side of the second nip is hinged with the front end of the secondary clamp body. A connecting rod, a positive stop part and a guiding part are arranged between the main clamp body and the secondary clamp body. One end of the connecting rod hinges with the secondary clamp body while the other end of the connecting rod hinges with one end of the positive stop part. The other end of the positive stop part is hinged with the guiding part. A guiding mechanism which enables the translation of guiding part along the main clamp body is arranged between the guiding part and the main clamp body; the junction of the connecting rod and the positive stop part is provided with a regulating mechanism which regulates the swinging scope of the positive stop part. The main clamp body has a stopper which contacts with the positive stop part. The powerful clamp has the advantages of compact structure and high stability.

Description

technical field [0001] The invention belongs to the technical field of machinery, and relates to a pair of pliers, in particular to an improved pliers. Background technique [0002] Wire cutters, pipe wrench, wrenches, etc. are indispensable tools today, but they are only suitable for their respective working methods, so they are quite limited. For this reason, people have designed a kind of vise, and the clamping force of vise jaw is adjustable, so it can replace wire cutter, pipe wrench and wrench etc. to use, makes its applicability wider. [0003] For example, "a kind of long-handled pliers" provided by the publication number "CN2568363Y" of the Chinese patent literature, the adjustment of the pliers is realized by a nut and a screw, the screw is arranged in the fixed pliers head, and the screw can move along its axial direction. move. The nut is set on the above-mentioned screw rod and part of it protrudes from the fixed tong head. The nut is axially positioned on the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B7/00B25B7/14
Inventor 刘济榕
Owner 刘济榕
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