CN201224075Y

CN201224075Y - Multifunctional power-assisted screwdriver

Info

Publication number: CN201224075Y
Application number: CNU2008200684824U
Authority: CN
Inventors: 吕怡萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-07-15
Filing date: 2008-07-15
Publication date: 2009-04-22
Anticipated expiration: 2018-07-15

Abstract

The utility model discloses a multifunctional power-assisted screwdriver, comprising a screwdriver head, a screwdriver head seat and a handle. The tail part of the screwdriver head matches with the screwdriver head seat which is rotatably connected with the handle through a bearing. A moveably connected assisting rod is arranged on the screwdriver head seat, and a groove matching with the assisting rod in size is arranged on the handle, corresponding to the assisting rod. When the assisting rod is pulled up, the screwdriver head seat can rotate independently, the handle props up a bolt tightly and the rotating assisting rod drives the screwdriver head to loose or screw down the bolt. Then, the assisting rod falls down to the groove, at this time, the screwdriver head seat and the handle drive the screwdriver head to rotate synchronously to quickly dismantle or screw down the bolt. The multifunctional power-assisted screwdriver is simple to make and convenient to use and effectively solves the problems that the bolt is difficult to screw down or loosen.

Description

Multifunctional power-assisted screwdriver

[technical field]

The utility model relates to a kind of improvement of screwdriver, especially a kind of multifunctional power-assisted screwdriver.

[background technology]

Existing screwdriver is made up of handle and cutter head usually, function singleness, twist hard, improved technical scheme is also arranged, such as on handle, having installed assister bar additional, still, because assister bar is fixed on the handle, also to reverse when one hand holds out against during use,, be difficult to it is backed out or tightens for tension or the screw that need tighten.

[summary of the invention]

The purpose of this utility model is that prior art is made improvement, and a kind of simple structure, multifunctional power-assisted screwdriver easy to use are provided.

The purpose of this utility model is achieved in that a kind of multifunctional power-assisted screwdriver, form by cutter head, tool tip and handle, the cutter head afterbody cooperates with tool tip, tool tip is rotationally connected by bearing and handle, tool tip is provided with the assister bar of flexible connection, has and assister bar size corresponding groove with the assister bar correspondence position on the handle.

Above-mentioned multifunctional power-assisted screwdriver, handle are hollow structure.

Owing to adopted said structure, when the pull-up assister bar, the cutter head toilet can independently rotate, and holds out against screw with handle, the rotation assister bar just can drive cutter head and unscrew or tighten screw, assister bar fall down again in groove, and tool tip and handle drive this moment cutter head rotates synchronously, dismantles fast or tightens screw, so the utility model efficiently solves a difficult problem that is difficult to tighten or be difficult to loosening screw, assister bar is easy to carry along crouching in groove at ordinary times, has simple structure, characteristics easy to use; Handle adopts hollow structure, and the cutter head that the inside can be packed different model into uses convenient.

[description of drawings]

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

Fig. 1 is a structural representation of the present utility model.

Fig. 1 double as Figure of abstract.

[specific embodiment]

As shown in the figure, a kind of multifunctional power-assisted screwdriver, form by cutter head 1, tool tip 3 and handle 10, the cutter head afterbody cooperates with tool tip, tool tip is rotationally connected by bearing 5 and handle, tool tip is provided with the assister bar 12 of flexible connection, has and assister bar size corresponding groove 11 with the assister bar correspondence position on the handle, and handle is a hollow structure.

During use, first pull-up assister bar, the cutter head toilet can independently rotate, hold out against screw with handle, the rotation assister bar just can drive cutter head to be unscrewed or tightens screw, falls down assister bar again in groove, tool tip and handle drive this moment cutter head rotates synchronously, dismantles fast or tightens screw.

Handle adopts hollow structure, and the cutter head 7 that the inside can be packed different model into uses convenient.

Claims

1, a kind of multifunctional power-assisted screwdriver, form by cutter head (1), tool tip (3) and handle (10), it is characterized in that: the cutter head afterbody cooperates with tool tip, tool tip is rotationally connected by bearing (5) and handle, tool tip is provided with the assister bar (12) of flexible connection, has and assister bar size corresponding groove (11) with the assister bar correspondence position on the handle.

2, multifunctional power-assisted screwdriver according to claim 1 is characterized in that: handle is a hollow structure.