CN203752041U - Screwdriver - Google Patents

Abstract

The utility model relates to hardware tools, in particular to a screwdriver. The screwdriver is composed of a handheld part (1), a twisting part (2), a screwdriver body (3) and a nut (4). The screwdriver is characterized in that the twisting part (2) and the screwdriver body (3) are integrally made, the tail end of the screwdriver body (3) is sleeved with the handheld part (1), the handheld part (1) is further fixed through the nut, a sawtooth groove (11) in the handheld part (1) is matched with a sawtooth groove (21) in the twisting part (2), and the handheld part (1) can rotate at the tail end of the screwdriver body (3) and do relative motion in the axial direction. When the screwdriver is used, hands and the handheld part cannot generate relative motion, so that working efficiency is high, and no injury can be caused to the hands of people. Besides, the screwdriver is low in manufacturing cost, has more significant advantages than screwdrivers in the prior art, and has a very good market prospect.

Description

A kind of screwdriver

Technical field

The utility model relates to hardware & tools, particularly a kind of screwdriver.

Background technology

The use of screwdriver relates to all trades and professions, of many uses, and use crowd is many, and great Dao factory littlely will be used screwdriver to everyone, so the whether handy of screwdriver has very important significance concerning each user.Now widely used screwdriver is all to twist a circle, and hand will unclamp and oppositely return to a circle, and the time has been grown like this, and hand can be injured.

Utility model content

In order to solve shortcoming and defect described above, the utility model provides a kind of screwdriver, by handpiece, torsion member, screwdriver body and nut form, it is characterized in that: described torsion member and screwdriver body are made an integral body, handpiece is enclosed within the tail end of screwdriver body, then fixes with nut, and the serrated slot on handpiece matches with the serrated slot on torsion member, handpiece can rotate at the tail end of screwdriver body, along axis direction, relatively moves.

The profile of described handpiece is oval ball shape, has zigzag fashion serrated slot on lower surface, middle porose and counter sink; On the upper surface of described torsion member, there is zigzag fashion serrated slot; There is driver bit the lower end of described screwdriver body, and there is screw thread upper end.

The beneficial effects of the utility model are, when using screwdriver of the present utility model, between hand and handpiece, can not produce relative motion, operating efficiency is high like this, to people's hand, can not produce injury, and cost of manufacture is low, than former screwdriver, there is more significantly advantage, market prospects are very good.

Accompanying drawing explanation

The utility model comprises following three width accompanying drawings:

Fig. 1 is the front view of a kind of screwdriver of the utility model;

Fig. 2 is the profile of a kind of screwdriver of the utility model;

Fig. 3 is the profile at A-A position in Fig. 1.

Parts, toponym and corresponding mark in figure: handpiece 1, serrated slot 11, counter sink 12, hole 13, torsion member 2, serrated slot 21, screwdriver body 3, driver bit 31, screw thread 32, nut 4, A-A section part mark.

The specific embodiment

Below in conjunction with drawings and Examples, the utility model is further illustrated.

With reference to Fig. 1, Fig. 2, a kind of screwdriver of the present utility model, by handpiece 1, torsion member 2, screwdriver body 3 and nut 4 form, and it is characterized in that: described torsion member 2 and screwdriver body 3 are made an integral body, and handpiece 1 is enclosed within the tail end of screwdriver body 3, fixing with nut 4 again, serrated slot 11 on handpiece 1 matches with the serrated slot 21 on torsion member 2, and handpiece 1 can rotate at the tail end of screwdriver body 3, along axis direction, relatively moves.

With reference to Fig. 1, the profile of described handpiece 1 is oval ball shape, has zigzag fashion serrated slot 11 on lower surface, centre porose 13 and counter sink 12.

With reference to Fig. 1, Fig. 3, has zigzag fashion serrated slot 21 on the upper surface of described torsion member 2.

With reference to Fig. 2, there is driver bit 31 lower end of described screwdriver body 3, and there is screw thread 32 upper end.

Some principles of the above a kind of screwdriver of the utility model that just explains through diagrams, be not a kind of screwdriver of the present utility model to be confined to described and shown in concrete structure and the scope of application in, turn round and look at every corresponding modify being likely utilized and equivalent, all belong to the scope of the claims that the utility model is applied for.

Claims (4)

1. a screwdriver, by handpiece (1), torsion member (2), screwdriver body (3) and nut (4) form, it is characterized in that: described torsion member (2) and screwdriver body (3) are made an integral body, handpiece (1) is enclosed within the tail end of screwdriver body (3), use again nut (4) fixing, serrated slot (11) on handpiece (1) matches with the serrated slot (21) on torsion member (2), handpiece (1) can rotate at the tail end of screwdriver body (3), along axis direction, relatively moves.

2. a kind of screwdriver according to claim 1, is characterized in that: the profile of described handpiece (1) is oval ball shape, has zigzag fashion serrated slot (11) on lower surface, middle porose (13) and counter sink (12).

3. a kind of screwdriver according to claim 1, is characterized in that: on the upper surface of described torsion member (2), have zigzag fashion serrated slot (21).

4. a kind of screwdriver according to claim 1, is characterized in that: there is driver bit (31) lower end of described screwdriver body (3), and there is screw thread (32) upper end.