Labor-saving tong

A technology of labor-saving pliers and pliers head, which is applied in the field of labor-saving pliers and can solve troubles and other problems

Active Publication Date: 2010-02-03
JIANGSU JINLU GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Every time before cutting, it is very troublesome to apply outward force to the handle with fingers to make the right and left pliers open.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] The labor-saving pliers of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0015] like figure 1 , Figure 5 , Figure 7 As shown, a labor-saving pliers includes a left handle 1 and a right handle 2, a left pliers head 3 is fixedly arranged on the upper end of the right handle 2, a slide bar 4 is arranged on the left handle 1, and the slide bar 4 is slidably arranged on the right pliers head In the chute 6 at the lower end of 5, the left pincer head 3 and the right pincer head 5 are hinged flexibly through the pincer pin 7, and the left handle 1 and the right handle 2 are flexibly hinged through the handle pin 8 fixedly arranged on the right handle 2. The middle and lower part of the handle 1 is provided with a boss 9, the inner surface of the boss 9 is flush with the inner surface of the left handle 1, and the left handle 1 and the right handle 2 are respectively covered with a left handle cover 10 and a...

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PUM

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Abstract

The invention discloses a labor-saving tong of which a tong head can be automatically expanded when working and can be furled when not working. The labor-saving tong comprises a left handle and a right handle, wherein a left tong head is fixedly arranged at the upper end of the right handle, a slide bar is arranged on the left handle, a slide bar is arranged in a slide groove at the lower end of aright tong head in a sliding way, the left tong head and the right tong head are movably hinged by a tong head pin, the left handle and the right handle are movably hinged by a handle pin fixedly arranged on the right handle, a boss is arranged at the middle lower part of the left handle, the inner side of the boss is aligned with the inner side of the left handle, the left handle and the right handle are respectively provided with a left handle sleeve and a right handle sleeve, a hollow cavity is arranged between the left handle sleeve and the inner side of the boss, and an inverted J-shapedelastic strip is movably arranged in the hollow cavity. The outer side of a bending section of the elastic strip supports against the inner side of the right handle when the labor-saving tong works,and the tail end of the bending section of the elastic strip can support against the inner side of the left handle, therefore, the invention is suitable for cutting workpieces of steel wires, and thelike.

Description

technical field [0001] The invention relates to the field of hardware tools, in particular to a labor-saving pliers. Background technique [0002] Existing labor-saving pliers include: a left handle and a right handle, the upper end of the right handle is fixedly provided with a left pliers head, the upper end of the left handle is provided with a slide bar, and the slide bar is slidably arranged in a chute at the lower end of the right pliers head, and the left pliers The head and the right pliers head are articulated through the pliers head pin, and the left handle and the right handle are articulated through the handle pin fixedly arranged on the upper end of the right handle. The labor-saving pliers with the above structure are relatively easy and labor-saving during the cutting process, but before cutting, it is necessary to apply an outward force to the handle through the fingers to make the left handle and the right handle open outwards, and the right pliers head and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B3/00B25B5/04
Inventor 周兴华顾兴保倪寿胜
Owner JIANGSU JINLU GRP CO LTD
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