CN201231469Y

CN201231469Y - Labor-saving screwdriver

Info

Publication number: CN201231469Y
Application number: CNU2008200758160U
Authority: CN
Inventors: 李泰民
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-07-31
Filing date: 2008-07-31
Publication date: 2009-05-06
Anticipated expiration: 2018-07-31

Abstract

The utility model relates to an energy-saving screwdriver, comprising a screwdriver shank, a screwdriver rod and a screwdriver head. The upper end of the screwdriver rod is fixedly installed at the lower end of the screwdriver rod; the screwdriver head is arranged at the lower end of the screwdriver rod; wherein, a handspike is arranged on the screwdriver shank in the radial direction. The energy-saving screwdriver is simple in structure, reasonable and scientific in design, and low in cost, and is convenient to use. The screwdriver is an energy-saving screwdriver with multiple force bearing points.

Description

The labour-saving screwdriver

Technical field

The utility model relates to field of tool, especially a kind of labour-saving screwdriver.

Background technology

Screwdriver is a kind ofly to be used for twisting screw to force its instrument in place, and a thin sphenocephaly cross head is arranged usually, can insert in the line of rabbet joint or recess of screw cap, also claims by " screwdriver ".Screwdriver is a kind of common tool, and it is easy to use, and is simple to operate laborsaving.Though more convenient laborsaving with the screwdriver the turn of the screw, because the shape of screwdriver causes its stress point single, so some tighter screw is twisted also relatively effort.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of simple in structure, and design science is reasonable, uses more conveniently, and cost is lower, the labour-saving screwdriver of many stress points.

The utility model solves its technical problem and is achieved through the following technical solutions:

A kind of labour-saving screwdriver is made of handle of a knife, knife bar and cutter head, and the upper end of knife bar is packed in the lower end of handle of a knife, and the lower end of knife bar is shaped on cutter head, it is characterized in that: the footpath at handle of a knife upwards is shaped on push rod.

And described handle of a knife is made by engineering plastics.

And radial symmetric installs two push rods on the described handle of a knife.

Advantage of the present utility model and beneficial effect are:

1. this labour-saving screwdriver is made of handle of a knife, knife bar and cutter head, and the upper end of knife bar is packed in the lower end of handle of a knife, and the lower end of knife bar is shaped on cutter head, wherein upwards is shaped on push rod in the footpath of handle of a knife, can save strength, raises labour efficiency.

2. the handle of a knife of this labour-saving screwdriver is made by engineering plastics, and weight is lighter, carries in the convenient construction.

3. the utility model is simple in structure, and design science is reasonable, uses more conveniently, and cost is lower, is a kind of labour-saving screwdriver of many stress points.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

The specific embodiment

The utility model is described in further detail below by specific embodiment, and following examples are descriptive, is not determinate, can not limit protection domain of the present utility model with this.

A kind of labour-saving screwdriver is made of handle of a knife 1, knife bar 3 and cutter head 4, and handle of a knife is made by engineering plastics, and the upper end of knife bar is packed in the lower end of handle of a knife, and the lower end of knife bar is shaped on cutter head, and the symmetry that wherein makes progress in the footpath of handle of a knife is fixed with two push rods 2.

Claims

1. a labour-saving screwdriver is made of handle of a knife, knife bar and cutter head, and the upper end of knife bar is packed in the lower end of handle of a knife, and the lower end of knife bar is shaped on cutter head, it is characterized in that: the footpath at handle of a knife upwards is shaped on push rod.

2. labour-saving according to claim 1 screwdriver is characterized in that: described handle of a knife is made by engineering plastics.

3. labour-saving according to claim 1 screwdriver is characterized in that: radial symmetric installs two push rods on the described handle of a knife.