CN205325555U

CN205325555U - Double -head screwdriver

Info

Publication number: CN205325555U
Application number: CN201521099444.1U
Authority: CN
Inventors: 罗皓
Original assignee: Hainan Institute of Science and Technology
Current assignee: Hainan Institute of Science and Technology
Priority date: 2015-12-28
Filing date: 2015-12-28
Publication date: 2016-06-22
Anticipated expiration: 2025-12-28

Abstract

The utility model discloses a double -head screwdriver, including cutter arbor and handle of a knife, the tool bit is connected at cutter arbor two, and its characterized in that cutter arbor is thicker than tool bit junction, is provided with the arc recess on the cutter arbor, and the handle of a knife inboard is equipped with position and the corresponding spring block pin of arc recess, still is equipped with cutter arbor off shoulder in the handle of a knife, and the left hollow part of cutter arbor off shoulder is used for emboliaing the cutter arbor, and the hollow part on cutter arbor off shoulder right side is used for emboliaing the tool bit. The utility model discloses can prevent cutter arbor from handle of a knife roll -off, can protect the tool bit to avoid the damage again, and simple structure, convenient and practical.

Description

A kind of dual-head screwdriver

Technical field

This utility model relates to a kind of screwdriver, is specifically related to a kind of dual-head screwdriver。

Background technology

Currently used dual-head screwdriver, knife bar and handle of a knife design comparison are simple, knife bar thickness the same as the driver bit at two, generally can there is problems in that 1, knife bar easily skids off from handle of a knife, when the screw band that such as knife bar is twisted is magnetic, knife bar is held, and will appear from knife bar and handle of a knife separation problem when handle of a knife is taken away, impact uses, and the screwdriver knife bar sometimes dropped also can destroy the machine being repaired；2, during one the turn of the screw stress of knife bar, other end driver bit stress, it is easy to impaired。

Utility model content

The purpose of this utility model is in that for the problems referred to above, it is provided that a kind of dual-head screwdriver, can effectively prevent knife bar from skidding off from handle of a knife, and protection cutter head is from damage simultaneously。

This utility model is realized in, a kind of dual-head screwdriver, including knife bar and handle of a knife, knife bar two connects cutter head, it is characterised in that knife bar is thicker than cutter head junction, and knife bar is provided with arc groove, the spring detent that position is corresponding with arc groove it is provided with inside handle of a knife, being additionally provided with knife bar dogging shoulder in handle of a knife, the hollow parts on the left of knife bar dogging shoulder is used for being inserted in knife bar, and the hollow parts on the right side of knife bar dogging shoulder is used for being inserted in cutter head。

The beneficial effects of the utility model are: can prevent knife bar from skidding off from handle of a knife, and cutter head can be protected again from damage, and simple in construction, convenient and practical。

Accompanying drawing explanation

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

In the drawings, 1, knife bar 2, handle of a knife 3, cutter head 4, arc groove 5, spring detent 6, knife bar dogging shoulder。

Detailed description of the invention

As shown in Figure 1, a kind of dual-head screwdriver, including knife bar (1) and handle of a knife (2), knife bar (1) two connects cutter head (3), it is characterized in that knife bar (1) is thicker than cutter head (3) junction, knife bar (1) is provided with arc groove (4), handle of a knife (2) inner side is provided with position and the spring detent (5) of arc groove (4) correspondence, knife bar dogging shoulder (6) it is additionally provided with in handle of a knife (2), the hollow parts in knife bar dogging shoulder (6) left side is used for being inserted in knife bar (1), and the hollow parts on knife bar dogging shoulder (6) right side is used for being inserted in cutter head (3)。

Claims

1. a dual-head screwdriver, including knife bar and handle of a knife, knife bar two connects cutter head, it is characterized in that knife bar is thicker than cutter head junction, knife bar is provided with arc groove, inside handle of a knife, is provided with the spring detent that position is corresponding with arc groove, in handle of a knife, be additionally provided with knife bar dogging shoulder, hollow parts on the left of knife bar dogging shoulder is used for being inserted in knife bar, and the hollow parts on the right side of knife bar dogging shoulder is used for being inserted in cutter head。