CN2792707Y

CN2792707Y - Pliers with adjustable bite

Info

Publication number: CN2792707Y
Application number: CN 200520100886
Authority: CN
Inventors: 周先富
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-03-08
Filing date: 2005-03-08
Publication date: 2006-07-05
Anticipated expiration: 2015-03-08

Abstract

The utility model relates to a pair of pliers with an adjustable pliers mouth, which is a tool used for clamping objects. The utility model comprises components of a handle, pliers jaws, a hinge chain shaft and a spring, wherein the handle has a left and a right parts, and the left and the right parts are hinged together by the hinge chain shaft. The spring is arranged on the hinge chain shaft, and both ends of the spring respectively butt the inner side of the handle. A part of the handle and one pliers jaw are connected into a whole, and the other part is connected with a pliers mouth adjusting rod. A movable pliers jaw which corresponds to the handle passes through the adjusting rod and is matched with a fixing pliers jaw. The utility model has the advantages of simple structure and quite convenient use, the utility model does not need changing the pliers, and one pair of the pliers can be applied within large range.

Description

The jaw self-adjusting pliers

Technical field

The utility model relates to the hand-operated tools technical field, especially relates to the adjustable hand clamp technical field of jaw.

Background of invention

At present the grip finger that uses fixes its open amplitude the clamp to every, if above prescribed level, need change the clamp of big specification in addition, the user is made troubles; China's patent of invention once disclosed a kind of " self-regulated clamp and spanner automatically ", the patent No.: 94108186.9, it has provided a kind of method, can regulate clamp automatically towards regular jaw when instrument still remains on the workpiece, the adjusting jaw of adjustable spanner or pipe wrench; But this automatic governor motion complex structure is not suitable for light instrument.

Summary of the invention

The purpose of this utility model is in order to overcome the deficiency of prior art, a kind of jaw self-adjusting pliers simple in structure to be provided.

For achieving the above object, the technical solution of the utility model is such: a kind of jaw self-adjusting pliers comprises handle, chela, hinge axis, each parts of spring; Said handle has left and right sides two parts, and is hinged by hinge axis, and hinge axis is provided with spring, and the two ends of spring prop up the handle inboard respectively; The wherein part of handle is connected as one with a chela, and another part connects a jaw adjusting rod, and the moveable jaw corresponding with this handle passed adjusting rod and matched with fixing chela.

During use, as long as hold handle with a firm grip, jaw promptly opens and can press from both sides thing; If will enlarge jaw, move outside needing when holding handle with a firm grip moveable jaw and press from both sides thing again.

Owing to adopted technique scheme, a kind of jaw self-adjusting pliers of the present utility model, structure is very simple, uses very conveniently again, does not need to change in addition clamp, and one can use clamp in a big way.

Description of drawings

Below in conjunction with drawings and Examples the utility model is described in detail.

Accompanying drawing is a structural representation of the present utility model.

Among the figure: 1, fixing chela, 2, spring, 3, hinge axis, 4, the handle right half, 5, the handle left half, 6, moveable jaw, 7, the jaw adjusting rod.

The specific embodiment

Shown in accompanying drawing, a kind of jaw self-adjusting pliers of the utility model comprises handle, chela, hinge axis, each parts of spring; Said handle has left and right sides two parts 4,5, and is hinged by hinge axis 3, and hinge axis is provided with spring 2, and the two ends of spring prop up two parts inboard of handle respectively; Handle right half 4 is connected as one with fixing chela 1, and the handle left half connects a jaw adjusting rod 7, and the moveable jaw 6 corresponding with the handle left half passed adjusting rod and matched with fixing chela.

Claims

1, a kind of jaw self-adjusting pliers comprises handle, chela, hinge axis, each parts of spring; Said handle has left and right sides two parts (4,5), hinged by hinge axis (3), hinge axis is provided with spring (2), the two ends of spring prop up two parts inboard of handle respectively, it is characterized in that: handle right half (4) is connected as one with fixing chela (1), the handle left half connects a jaw adjusting rod (7), and the moveable jaw corresponding with the handle left half (6) passed adjusting rod and matched with fixing chela.