CN201940938U

CN201940938U - Universal screwdriver

Info

Publication number: CN201940938U
Application number: CN2010206953268U
Authority: CN
Inventors: 徐勇
Original assignee: Second Foreign Language School Affiliated to Shanghai Normal University
Current assignee: Second Foreign Language School Affiliated to Shanghai Normal University
Priority date: 2010-12-30
Filing date: 2010-12-30
Publication date: 2011-08-24
Anticipated expiration: 2020-12-30

Abstract

A universal screwdriver comprises a screwdriver bar and a screwdriver head, and is characterized by further comprising a universal joint which is arranged between the screwdriver bar and the screwdriver head. The universal joint is in detachable connection with the screwdriver bar and the screwdriver head. The universal screwdriver is simple in structure, convenient in use, and can perform dismantlement in narrow space conveniently. The screwdriver bar, the screwdriver head and the universal joint can be respectively detached, thereby facilitating replacement of different screwdriver heads.

Description

Universal screwdriver

Technical field

The utility model relates to the hardware ﹠ tools equipment technical field, furthermore relates to a kind of screwdriver that can universal work.

Background technology

In the existing hardware ﹠ tools, screwdriver structure is a handle, the embedded screwdriver knife bar of handle, and the knife bar front end is a driver bit, cutter head becomes different size and shape according to different Demand Design.

But this kind screwdriver, because its knife bar is straight hard knife bar, when bolt fastening structure was arranged on narrow corner, because the space is restricted, screwdriver can't be placed, and makes troubles to the user.

The utility model content

Technical problem to be solved in the utility model is, overcomes problems of the prior art, and a kind of universal screwdriver is provided, and this kind screwdriver can turn to and turn round, and conveniently carries out work at small space place screwdriver.

In order to address the above problem the technical solution of the utility model is such:

Universal screwdriver comprises knife bar, cutter head, it is characterized in that, also comprises a universal joint, and universal joint is arranged between knife bar and the cutter head.

Between described universal joint and knife bar and the cutter head for removably connecting.

Beneficial effect, universal screwdriver described in the utility model, simple in structure, easy to use, can dismantle at the narrow space place easily, and knife bar cutter head universal joint can dismantle mutually, so that change the outfit different cutter heads.

Description of drawings

Describe the utility model in detail below in conjunction with the drawings and specific embodiments;

Fig. 1 is a universal screwdriver assembly structure schematic diagram described in the utility model.

The specific embodiment

For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to bright

White understanding below in conjunction with concrete diagram, is further set forth the utility model.

Referring to Fig. 1, universal screwdriver in the present embodiment comprises knife bar 1,

cutter head

3 and 2, three critical pieces of universal joint.Removably connect each other mutually between three parts.

The front end of concrete knife bar 1 has a polygon plug 11, and a link of universal joint 2 has and plug 11 corresponding slots 21.Be provided with the magnetite that is used to adsorb in the slot 21.Another link of universal joint also is provided with the slot 22 of cutter head correspondence, the root of corresponding cutter head 2 be provided with one with slot 22 corresponding polygon plugs 31.During use, knife bar 1, cutter head 3 and universal joint 2 are plugged on together mutually, because universal joint 2 can be turned, when at small space, screwdriver can use so.

Except adopting insertion slot type is connected to, can also be designed to be threaded, mode such as bearing pin connection between knife bar 1, cutter head 3 and the universal joint 2, as long as can guarantee that screwdriver turns round.

More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims

1. universal screwdriver comprises knife bar, cutter head, it is characterized in that, also comprises a universal joint, and universal joint is arranged between knife bar and the cutter head.

2. universal screwdriver according to claim 1 is characterized in that, between described universal joint and knife bar and the cutter head for removably connecting.