CN201519925U

CN201519925U - Dual-purpose screwdriver with cross-shaped edge and chisel-shaped edge

Info

Publication number: CN201519925U
Application number: CN2009202425373U
Authority: CN
Inventors: 张平; 陈林燕; 胥龙; 冉伟士; 曾李; 何一家; 李小龙; 唐海强; 谭金诚
Original assignee: Southwest Petroleum University
Current assignee: Southwest Petroleum University
Priority date: 2009-10-12
Filing date: 2009-10-12
Publication date: 2010-07-07
Anticipated expiration: 2019-10-12

Abstract

The utility model relates to a dual-purpose screwdriver with a cross-shaped edge and a chisel-shaped edge for machines, electricians and families. The technical scheme thereof is as follows: a rod of the screwdriver is in right-angle curve shape, and the lengths of rod arms of the right angle are equal; and one rod arm of the rod is the cross-shaped edge, the other rod arm is the chisel-shaped edge, or two rod arms of the rod are edges with same shape, and the sizes are different; and the section of the rod is one of a circle or a regular hexagon. The screwdriver has two different edges, can be used for two screws with different shapes or different sizes, reduce the quantity of the screwdrivers, save the space of a tool box, has simple structure, easy manufacture and convenient use, and is especially suitable for screws with smaller size and plate surfaces.

Description

A kind of dual-purpose cutter that changes with cross and in-line cutting edge

Technical field

The utility model relates to a kind of dual-purpose cutter that changes with cross and in-line cutting edge that is used for machinery, electrician, family, belongs to the common tool class.

Background technology

At present the cutter that changes of cross or in-line cutting edge is one of instrument of using always of machinery, electrician, family, and common cross or in-line change cutter and be made up of handle, bar and cutting edge.Wherein the cutter that changes of fixed handle has only a cutting edge; The cutter that changes of flexible handle can be with the rod member of several different cutting edges.Their shortcoming is: the former is as if the cutter that changes of assorting a cover fixed handle, and then the instrument number of packages is more, and inconvenient storage and managenent; Latter's flexible handle changes the rod member that cutter need dispose the different cutting edges of more band, and rod member and handle connection place are loosening easily.

For what use in a large number in machinery, electrician, the family is undersized cross or in-line screw, and moment of torsion required when tightening or unclamp is little, needn't be equipped with the rod member that more fixed handle changes cutter and flexible handle.

Summary of the invention

The purpose of this utility model is: in order to reduce the quantity that changes cutter, save the space in tool box, reach easy to use, the spy provides a kind of dual-purpose cutter that changes with cross and in-line cutting edge.

In order to achieve the above object, the utility model by the following technical solutions: a kind of dual-purpose cutter that changes with cross and in-line cutting edge, form by bar and cutting edge, its architectural feature is: change the rectangular bending of bar of cutter, the lever arm equal in length on both sides, right angle; Be set to the cross cutting edge on the lever arm of bar, be set to the in-line cutting edge on another lever arm, or two lever arms of bar all are set to same shape cutting edge, its size difference; The cross section of bar is circular or orthohexagonal a kind of.

The beneficial effects of the utility model are: originally changing cutter has two different cutting edges, can be used for the screw of two kinds of difformities or different size head, has reduced the quantity that changes cutter; Saved the space in tool box; Change cutter simple in structure, be easy to make, easy to use, be specially adapted to that size is less, the screw of planar surface.

Description of drawings

Fig. 1 is the dual-purpose structural representation that changes cutter of the utility model.Among the figure: 1, in-line cutting edge head, 2, lever arm, 3, lever arm, 4, cross cutting edge head.

Fig. 2 changes the structural representation that cutter is cross cutting edge head for the utility model is dual-purpose.

Fig. 3 changes the structural representation that cutter is in-line cutting edge head for the utility model is dual-purpose.

The specific embodiment

According to shown in Figure 1, this changes cutter and makes

lever arm

2,3 by a solid carbon tool steel, at right angles bending; The lever arm 2 and lever arm 3 equal in length on bar both sides, right angle; The cross section of

lever arm

2,3 is circular or orthohexagonal a kind of, and lever arm 2 ends are the head of in-line cutting edge, and lever arm 3 ends are the head of cross cutting edge, change the blade shape difference at cutter two ends.

Shown in Figure 3 according to Fig. 2, the cutting edge that changes the cutter two ends is same shape, be the head of cross cutting edge or be the head of in-line cutting edge, but size is inequality.

Claims

1. the dual-purpose cutter that changes with cross and in-line cutting edge is made up of bar and cutting edge, it is characterized in that: change the rectangular bending of bar of cutter, the lever arm equal in length on both sides, right angle; Be set to the head of cross cutting edge on the lever arm of bar, be set to the head of yi word pattern cutting edge on another lever arm, perhaps two of bar lever arms all are set to the head of same shape cutting edge, its size difference; The cross section of bar is circular or orthohexagonal a kind of.