CN103659694A - Screwdriver convenient to use - Google Patents

Abstract

A screwdriver convenient to use comprises a screwdriver handle, a U-type screwdriver bar and a movable screwdriver bit arranged on the U-type screwdriver bar. The screwdriver handle is movably connected with the U-type screwdriver bar. A fixing groove is formed in the top end of the U-type screwdriver bar. The screwdriver convenient to use is easy to use, simple in structure, convenient to carry and low in production cost.

Description

A kind of portable screwdriver

Technical field

The invention belongs to hand-operated tools field, relate to a kind of portable screwdriver.

Background technology

Screwdriver is a kind of for hand-operated tools fastening or dismounting screw, and at present, screwdriver of a great variety, is broadly divided into fixedly cutter head class and detachably cutter head class.Fixing class screwdriver is to the end divided into two kinds, i.e. straight screwdriver and Phillips screwdriver, and this screw is to simple in structure, but every handle can only correspondingly solve a class screw, carries inconvenience, and production cost is high.Detachable cutter head class screwdriver is comprised of a handle of a knife and all kinds of detachable cutter head, and this screwdriver is can a cutter multiplex, but use procedure is complicated, carries inconvenience, and production cost is high.

Summary of the invention

The object of this invention is to provide a kind of portable screwdriver, solved existing screwdriver use procedure complexity, carry inconvenience, the problem that production cost is high.

The technical solution adopted in the present invention is, a kind of portable screwdriver, comprises handle of a knife, U-shaped knife bar and movable cutter head disposed thereon, and described handle of a knife is flexibly connected with described U-shaped knife bar, and described U-shaped knife bar top is provided with holddown groove.

Described movable cutter head is provided with movable span and fixing hole.

The invention has the beneficial effects as follows: the present invention uses simply, and simple in structure, easy to carry, production cost is low.

Accompanying drawing explanation

Fig. 1 is connection diagram of the present invention;

Fig. 2 is use schematic diagram of the present invention;

Fig. 3 is the schematic diagram of movable cutter head in the present invention.

In figure, 1. handle of a knife, 2.U type knife bar, 3. movable cutter head, 4. holddown groove, 5. movable span, 6. fixing hole.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.

A portable screwdriver, as shown in Figure 1, 2, 3, comprises handle of a knife 1, U-shaped knife bar 2 and movable cutter head 3 disposed thereon, and handle of a knife 1 is flexibly connected with U-shaped knife bar 2, and U-shaped knife bar 2 tops are provided with holddown groove 4.

Movable cutter head 3 is provided with movable span 5 and fixing hole 6.

During use, required movable cutter head 3 is enclosed within on U-shaped knife bar 2 by the movable span 5 on it, U-shaped knife bar 2 is fitted together with handle of a knife 1, the movable cutter head 3 that will use is stuck on U-shaped knife bar 2 on holddown groove 4 by the fixing hole 6 on it, when needs are more during activity tool changing, thereby the movable cutter head 3 using is changed to movable span 5 and changed, change immediately required movable cutter head 3 and change to fixing hole 6 and can use.

Claims (2)

1. a portable screwdriver, comprises handle of a knife (1), U-shaped knife bar (2) and movable cutter head (3) disposed thereon, it is characterized in that: handle of a knife (1) is flexibly connected with U-shaped knife bar (2), and U-shaped knife bar (2) top is provided with holddown groove (4).

2. a kind of portable screwdriver according to claim 1, is characterized in that: movable cutter head (3) is provided with movable span (5) and fixing hole (6).

Images