CN2810908Y

CN2810908Y - Combined screwdriver

Info

Publication number: CN2810908Y
Application number: CN 200520024605
Authority: CN
Inventors: 唐鹏鹏
Original assignee: North University of China
Current assignee: North University of China
Priority date: 2005-07-31
Filing date: 2005-07-31
Publication date: 2006-08-30
Anticipated expiration: 2015-07-31

Abstract

The utility model relates to a screwdriver, particularly a combination screwdriver. The utility model solves the problems that the change of a screwdriver head is troublesome, the screwdriver head is easy to lose, the screwdriver head is easy to loosen, a plurality of different types of screwdrivers can not be simultaneously used existing in the prior art when the screwdriver is used. The utility model comprises a hollow outer layer screwdriver composed of a hollow handle and a hollow screwdriver rod communicated with the handle, wherein an inner layer screwdriver is sheathed inside the outer layer screwdriver. The utility model has the advantages of simple structure and easy fabrication. A sheathing structure can avoid the problem that the screwdriver head is easy to lose when the screwdriver is changed so that the carrying is convenient. A single integration construction can avoid the problem of the looseness of the screwdriver head. A plurality of screwdrivers are sheathed together so that a plurality of screwdrivers can be simultaneously operated and used aiming at different conditions.

Description

Combination screw driver

Technical field

The utility model relates to a kind of screwdriver, specifically is a kind of combination screw driver.

Background technology

Usually will use the screwdriver of different model when using the screwdriver repairing appliance, many screwdrivers carry very inconvenient.A kind of combined screwdriver is arranged in the market, handle is a hollow, the cutter head of being furnished with multiple different model, selecting suitable cutter head in use as required loads onto, exist cutter head to change trouble during use, easily lose and the easy loosening problem of cutter head, the more important thing is the screwdriver that can not use a plurality of different models simultaneously.

Summary of the invention

The utility model exists when solving the use that exists in the prior art cutter head to change trouble, easily loses, and cutter head is loosening easily, the more important thing is the problem of the screwdriver that can not use a plurality of different models simultaneously and a kind of combination screw driver is provided.

The utility model is realized by following technical scheme, a kind of combination screw driver, comprise by the handle of hollow with form the outer screwdriver of hollow with the knife bar that handle connects the hollow that is connected, be socketed with the internal layer screwdriver in it.

Outer screwdriver and internal layer screwdriver connect together, and can take out the internal layer screwdriver of socket as required during use and use.

It is connected together by the screwdriver of a plurality of hollows.

Can select corresponding screwdriver according to actual needs, mainly be in order to adapt to multiple different occasion.

Compared with prior art, the utility model is simple in structure, and is easily manufactured, the problem that the structure of socket can avoid the cutter head displacement time to lose easily, make carry more convenient; Single integrative-structure can be avoided the loosening problem of cutter head.A plurality of screwdrivers connect together, and can use a plurality of screwdriver operations simultaneously at different situations.

Description of drawings

Fig. 1 is a sectional structure chart of the present utility model

The specific embodiment

As shown in Figure 1, a kind of combination screw driver, comprise by the handle 1 of hollow with connect the outer screwdriver 3 of the hollow that the knife bar 2 of the hollow that is connected forms with handle, be socketed with internal layer screwdriver 4 in it.

It is connected together by the screwdriver of a plurality of hollows.One screwdriver that has three kinds of different models connects together.Outermost screwdriver 3 edges of a knife are the cross mouth, and screwdriver 4 edges of a knife in middle level are 1-shaped open, and innermost layer screwdriver 5 edges of a knife are 1-shaped open, and are entity.

Outer screwdriver 3 handle end and internal layer screwdriver 4 handle end are connected together by thread bush.

In order to make structure more compact, outer screw driver handle end has internal thread, and the internal layer screw driver handle end outside has external screw thread, and each screw driver handle end diameter is connected together by thread bush always.

Claims

1, a kind of combination screw driver, it is characterized in that comprising by the handle (1) of hollow with connect the outer screwdriver (3) of the hollow that the knife bar (2) of the hollow that is connected forms with handle, be socketed with internal layer screwdriver (4) in it.

2, combination screw driver according to claim 1 is characterized in that it is connected together by the screwdriver of a plurality of hollows.

3, combination screw driver according to claim 1 and 2 is characterized in that outer screwdriver (3) handle end and internal layer screwdriver (4) handle end are connected together by thread bush.