CN2161429Y

CN2161429Y - Multi-tool bit rod cone

Info

Publication number: CN2161429Y
Application number: CN 93227190
Authority: CN
Inventors: 赵国辉
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-01-20
Filing date: 1993-01-20
Publication date: 1994-04-13
Anticipated expiration: 2003-01-20

Abstract

A multi-cutter-head rod cone is an improvement on the basis of an original rod cone, a cutter head group is fixed at the front end of a cutter rod through a bolt, the cutter head group is made into a cross shape or a straight shape, the end parts of the cross shape or the straight shape are made into cutter heads with different widths, the cutter head group can rotate at the end parts of the cutter rod, and when the cutter heads are worn out, the cutter head group can be replaced. The rod cone has the advantages of convenient use, avoidance of waste of the rod cone and the like.

Description

Multi-bit tool screwdriver

The utility model relates to a kind of bar awl, and particularly a kind of multitool head rod awl can be used for twisting various screws.

The bar awl that generally uses at present is made up of handle and knife bar, and the front end of knife bar is directly made cutter head.This bar is bored in use for some time, tool bit abrasion or destruction, and at this moment the bar awl can not use, and integral body is scrapped, and causes very big waste.

The purpose of this utility model is exactly that a kind of multitool head rod awl is provided in order to overcome the deficiencies in the prior art.

The purpose of this utility model can realize by following measure;

This multitool head rod awl is made up of handle, knife bar, cutter head group, and knife bar (2) one ends are connected with handle (1), and the other end passes through fixedly cutter head group (3) of bolt (4).

The purpose of this utility model can also realize by following measure;

Cutter head group (3) is a cross, and its four tops are cutter heads.

Cutter head group (3) is an in-line, and two top is a cutter head.

The cutter head width difference of cutter head group (3).

The explanation of accompanying drawing drawing;

Fig. 1 is an overall schematic of the present utility model, (1) handle wherein, (2) knife bar, (3) cutter head group, (4) bolt.

Fig. 2 is the side view of cutter head group among Fig. 1.

Fig. 3 is that the A of Fig. 2 is to view.

Cutter head group of the present utility model can be rotated in the end of knife bar, when four cutter heads are all damaged, and the interchangeable bit group, it has easy to use, can avoid advantages such as bar awl waste.

Claims

1, a kind of multitool head rod awl is made up of handle, knife bar, cutter head, it is characterized in that; Knife bar (2) one ends are connected with handle (1), and the other end passes through fixedly cutter head group (3) of bolt (4).

2, according to the said multitool head rod awl of claim 1, it is characterized in that; Cutter head group (3) is a cross, and its four tops are cutter heads.

3, according to the said multitool head rod awl of claim 1, it is characterized in that; Cutter head group (3) is an in-line, and two top is a cutter head.

4, according to claim 1,2,3 said multitool head rod awls, it is characterized in that; The cutter head width difference of cutter head group (3).