CN201586948U

CN201586948U - Screwdriver with drilling function

Info

Publication number: CN201586948U
Application number: CN2010200501089U
Authority: CN
Inventors: 张业放
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-01-14
Filing date: 2010-01-14
Publication date: 2010-09-22
Anticipated expiration: 2020-01-14

Abstract

The utility model relates to a screwdriver, in particular to a screwdriver with drilling function, which is characterized in that one end of a movable head is connected with the middle part of the rod of a screwdriver through a rotary shaft, the top end of the movable head is provided with a tapered thread, and the middle part of the movable head has a double-semicircular structure. The screwdriver with the drilling function solves the problem that when a user needs to screw a screw into wood material in daily life, the user usually uses a big nail and a hammer to drill a pore on the position for screwing. The screwdriver with the drilling function brings convenience to people's life.

Description

A kind of screwdriver of subsidiary borehole function

Technical field

The utility model relates to a kind of screwdriver, especially a kind of screwdriver of subsidiary borehole function.

Background technology

At present, when people will be screwed into screw in wood materials, usually earlier hammer is chiseled a little hole in the place of need the turn of the screw with a big nail and.People chisel a micropore, and his reason is no doubt arranged.But also there is the inconvenience of some in such hole method of chiseling, and one is the work of the turn of the screw when people do, and also wants extra some nails and the hammer of carrying.Its dual-purpose hammer knocks nail and is bound to occur tedious noise.Now people thirst for a kind of existing the turn of the screw function and do not chisel the make an uproar screwdriver of body sound of hole again and solve problem in the reality.

Summary of the invention

At the deficiencies in the prior art, the purpose of this utility model provides a kind of screwdriver of subsidiary borehole function, and it can solve the problem in the reality.

The technical scheme that its technical problem that solves the utility model adopts is: a kind of screwdriver of subsidiary borehole function, one end of movable head is connected the middle part of screwdriver knife bar by rotating shaft, the tapered screw-like in the top of movable head, the movable head middle part is two semicircular structures.

The beneficial effects of the utility model are, have solved in the daily life when people will be screwed into screw in wood materials, usually with a big nail and a hammer are chiseled the problem in a little hole in the place of need the turn of the screw earlier.Made things convenient for people's life.

Description of drawings

Fig. 1 is a general structure schematic diagram of the present utility model;

Fig. 2 is a movable head three-view diagram of the present utility model.

Among the figure: 1-screwdriver handle; 2-screwdriver knife bar; The 3-rotating shaft; The 4-movable head.

The specific embodiment

Below in conjunction with the detailed embodiment of the present utility model of accompanying drawing:

Its static structure, please join accompanying drawing: as shown in Figure 1, the screwdriver of subsidiary borehole function of the present utility model is mainly by screwdriver handle 1, screwdriver knife bar 2, rotating shaft 3, movable head 4 is formed.

Below by using method, further set forth the dynamic structure relation of the screwdriver of subsidiary borehole function of the present utility model:

Its main feature is: an end of movable head 4 is connected the middle part of screwdriver knife bar 2 by rotating shaft 3, the tapered screw-like in the top of movable head 4, and movable head 4 middle parts are two semicircular structures.In use, hand is pulled the front to movable head 4 earlier, so just can chisel a hole with tapered thread, then, movable head 4 is pulled the back, just can come the turn of the screw with the original head of screwdriver.After finishing using movable head 4 is pulled the back, to protect tapered thread and to prevent that tapered thread from scratching article.

The utility model cost of manufacture is cheap, and its manufacturing process also is easy to realize producing in batches, is the best substitute of existing normal screws cutter.Have very high use value and economic worth.

Realize that preferred plan of the present utility model is to utilize the basic equipment of screwdriver production plant, take to produce by batch in a large number, to supply the demand of society, so just can realize the practical value and the economic worth of the screwdriver of subsidiary borehole function of the present utility model better.

Claims

1. the screwdriver of a subsidiary borehole function is characterized in that, an end of movable head is connected the middle part of screwdriver knife bar by rotating shaft, the tapered screw-like in the top of movable head, and the movable head middle part is two semicircular structures.