CN202021576U

CN202021576U - Multi-head screwdriver

Info

Publication number: CN202021576U
Application number: CN2010201500806U
Authority: CN
Inventors: 霭雪梅
Original assignee: TANGHE FULIN XIANKE AEROMODELLING CO Ltd
Current assignee: TANGHE FULIN XIANKE AEROMODELLING CO Ltd
Priority date: 2010-03-26
Filing date: 2010-03-26
Publication date: 2011-11-02
Anticipated expiration: 2020-03-26

Abstract

The utility model discloses a multi-head screwdriver which belongs to daily use tools, and solves the problems that screwdriver heads need to be changed when handling screws in different types and the screwdriver heads are easy to fall off. The multi-head screwdriver includes six screwdriver heads, a tapered head cover of a screwdriver handle, the cylindrical screwdriver handle and a cylindrical end cover of the screwdriver handle. The six screwdriver heads are disposed in six hexagonal grooves in the handle. An inner wire in the head cover connects with the handle. The end cover in the rear end of the handle connects with the handle in a convex-concave manner. A protruding part in the center of the end cover has a groove. A rubber ring is disposed in the groove. The rubber ring is embedded into the groove in the handle when the end cover is connected with the handle. The using methods of the screwdriver includes the steps of twisting off the head cover, pulling out the screwdriver from the handle and inserting into a hexagonal groove in the front end of the handle, and screwing in the head cover tightly on the handle. The screwdriver head and handle forms a whole, thereby reducing the length of the screwdriver. The screwdriver is convenient for carrying along and avoids the trouble of carrying a plurality of screwdrivers. The screwdriver head can be changed at any time and is not easy to fall off. The end cover can rotate independently.

Description

A kind of bull screwdriver

Technical field:

The utility model relates to a kind of bull screwdriver, is a kind of daily instrument.

Background technology:;

The bull screwdriver is compared with the single threaded screw cutter, and its superiority is self-evident.At present, known bull screwdriver also has many types, and the bull screw that has is that handle of a knife and cutter head are separately deposited separately, during use cutter head is taken out from bit package, be plugged in the handle of a knife, this bull screwdriver has had more a parking space, and cutter head comes off easily; The bull screwdriver that has is that cutter head is embedded in handle of a knife, and an end is fixedlyed connected with handle of a knife, forms collapsible screwdriver, that cutter head that during use needs is used is pulled out, this bull screwdriver, can't be changed in case cutter head damages because cutter head is fixedlyed connected with handle of a knife; The bull screw that also has is that cutter head is left in the rotatable cutter box, the rotating knife box, and cutter head ejects, and this bull screwdriver exists cutter head to damage the problem that can't change equally, and cutter head consumes stressed not at the center of handle of a knife; The bull screwdriver that has does not have rotatable tail-hood, uses inconvenient.

Summary of the invention:

For the deficiency that overcomes above-mentioned variety classes bull screwdriver structure, carries, deposits, uses, the utility model provides a kind of bull screwdriver, and this bull screwdriver structure is simple, easy to carry, and cutter head is easy to change, and afterbody can rotate separately.

The technical scheme that its technical problem that solves the utility model adopts is: this bull screwdriver comprises six driver bits, a tapered knife button lid, a cylindricality handle body, a cylindricality handle of a knife tail-hood.Along circumference six six grooves consistent with cutter head length are arranged in the handle body, cutter head leaves in respectively in six six side's grooves of handle body; There is one six side's shrinkage pool at handle body front end section center, is used to the cutter head of pegging graft; In order to prevent that cutter head from coming off, there is the skull of a band internal thread to be connected at the front end of handle body with the handle body, during the use cutter head skull is turned on, cutter head is extracted out from the handle body, be plugged in the six side's shrinkage pools of handle body center, again skull and handle body are tightened; Handle holds a tail-hood to be connected with the handle body with the method for convex-concave after one's death, there is a groove in " protruding " portion in the middle of the tail-hood, place a rubber ring in the groove, rubber ring embedded in the interior groove of handle body when tail-hood was connected with the handle body, prevented that to reach tail-hood from coming off and handle body rotation effect freely.

The beneficial effects of the utility model are: cutter head and handle of a knife combine together, have saved the parking space of cutter head, have reduced the entire length of screwdriver, are convenient for carrying; Be easy to the replacing of driver bit; Skull has played the effect that prevents that cutter head from coming off; Tail-hood can rotate separately.Overall structure is simple, and usefulness is good.Description of drawings:

Description of drawings:

Further specify this use is novel below in conjunction with accompanying drawing and example.

Fig. 1 is a cutter head; The 2nd, skull; 3 is six side's shrinkage pools; The 4th, the handle body; 5 six side's grooves; The 6th, rubber ring; The 7th, tail-hood.

The specific embodiment:

In the drawings, cutter head (1) has six, be stored in respectively in six the six side's grooves (5) in handle body (4) cavity, handle body (4) rear end has a tail-hood (7) to be connected with handle body (4) with the method for convex-concave, there is a groove in " protruding " portion in the middle of the tail-hood (7), place a rubber ring (6) in the groove, tail-hood (7) and handle body (4) are when being connected in the interior groove of rubber ring (6) embedding handle body (4).Front end at handle body (4) has the skull (2) of a band internal thread to be connected with handle body (4), when using cutter head (1) cutter head (1) is extracted out from handle body (4), inserts in six side's shrinkage pools (3) skull of screwing on (2).

Claims

1. a novel bull screwdriver is made up of handle body, skull, tail-hood and six driver bits.It is characterized in that: the handle body has six six side grooves consistent with cutter head length, there is one six side's shrinkage pool at front end section center, six driver bits leave in respectively in six six side's grooves of handle body, that driver bit that needs to use is inserted in six side's shrinkage pools, cutter head stretches out from skull with holes, and the skull and the handle body of band internal thread are screwed in together.

2. bull screwdriver according to claim 1 is characterized in that: adopt concavo-convex method that handle of a knife is connected with tail-hood, with rubber ring handle body and tail-hood are closely cooperated, tail-hood can rotate separately.