CN201604108U

CN201604108U - Novel screwdriver

Info

Publication number: CN201604108U
Application number: CN2009202969090U
Authority: CN
Inventors: 齐国军
Original assignee: CSR Luoyang Locomotive Co Ltd
Current assignee: CRRC Luoyang Locomotive Co Ltd
Priority date: 2009-12-14
Filing date: 2009-12-14
Publication date: 2010-10-13
Anticipated expiration: 2019-12-14

Abstract

The utility model relates to a novel screwdriver, belonging to the technical field of the mechanical assembly equipment. The novel screwdriver comprises a handle (1), a rotating rod (2), a pull spring (3), a casing (4) and a pull tube (5). The pull spring (3) is sleeved on the rotating rod (2); one end of the pull spring (3) is fixed in a small hole which is arranged on the rotating rod (2) and near the end of the handle (1), and the other end thereof is fixed in a small hole which is arranged on the inner wall of the internal thread end of the casing (4); the casing (4) is sleeved outside the pull spring (3); the casing (4) is in the structure of a hollow cylinder, and the front end of the casing (4) is provided with internal threads; the pull tube (5) which can slide freely along the axial direction of the rotating rod (2) is sleeved on the rotating rod (2); and one end of the pull tube (5) is matched with the internal thread end of the casing (4), and the other end thereof is provided with an open slot and an annular baffle plate which is provided with a notch. The novel screwdriver can be used for firmly screwing and unscrewing the screws in a narrow space very conveniently, thereby improving the efficiency of screwing and unscrewing the screws.

Description

A kind of novel screwdriver

Technical field

This practicality newly belongs to the tool technique of machinery assembling, relates generally to a kind of novel screwdriver.

Background technology

Screwdriver mainly is made of handle and swing arm, when using screwdriver to carry out mounting screw, generally is to buttress screw on the other hand, a hand-screw is changed hands handle and is operated, and for most of people, often is difficult for setting upright screw when installing, the poor stability of operation causes installation effectiveness lower.Even if skilled operator, we also can run into such problem in reality, and some space, position to be installed is narrow and small, and finger is difficult for putting in the installation position, can not touch and set upright screw and install; In addition, the screw at small space position can make screw fall into device interior sometimes in an unguarded moment on the dismounting plant equipment, has caused certain potential safety hazard for the normal operation of equipment.

Summary of the invention

The purpose of this utility model is to propose a kind of novel screwdriver, solves in the installation or removal screw process when small space position inconvenient operation and dismounting plant equipment screwing screw and easily falls into the problem that causes potential safety hazard in the equipment.

The utility model is finished the technical scheme that its invention task taked:

A kind of novel screwdriver, by handle, swing arm, extension spring, sleeve pipe, trombone slide constitutes, be equipped with extension spring on the described swing arm, extension spring one end is fixed on the swing arm near in the handle end aperture, the other end is fixed in the aperture on the madial wall of sleeve pipe female end, the extension spring outside is equipped with sleeve pipe, described sleeve pipe is that hollow cylinder structure and front end have internal thread, the trombone slide that can be free to slide along the axial direction of swing arm is placed on the swing arm, one end of trombone slide cooperates with the female end of sleeve pipe, have open slot and notched ring baffle on the other end, the axial length of described open slot is greater than the head thickness of required mounting screw, groove width is greater than the diameter of the required mounting screw body of rod, and the breach of described ring baffle is corresponding with notch, and the internal diameter of ring baffle is less than the head outer diameter of required mounting screw.

The utility model proposes a kind of novel screwdriver, place screw head in the fluting on the screwdriver, the screw rod of ring baffle hold-down screw, can be in narrow space firm installation or removal screw, operate very conveniently, improved the operating efficiency of installation and removal.

Description of drawings

Fig. 1 is an overall structure schematic diagram of the present utility model.

Fig. 2 is a sleeve structure schematic diagram of the present utility model.

Fig. 3 is a trombone slide structural representation of the present utility model.

Fig. 4 is the right view of Fig. 3.

Fig. 5 is the utility model user mode schematic diagram.

Among the figure, 1, handle, 2, swing arm, 3, extension spring, 4, sleeve pipe, 5, trombone slide, 6, screw.

The specific embodiment

With embodiment the utility model is illustrated in conjunction with the accompanying drawings:

As shown in Figure 1, in conjunction with Fig. 2, Fig. 3, Fig. 4, a kind of novel screwdriver, by handle 1, swing arm 2, extension spring 3, sleeve pipe 4, trombone slide 5 constitutes, be equipped with extension spring 3 on the described swing arm 2, extension spring 3 one ends fixedly on the swing arm near in the aperture of handle 1 end, the other end is fixed in the aperture on the sleeve pipe 4 female end madial walls, sleeve pipe 4 is nested with in extension spring 3, described sleeve pipe 4 has internal thread for hollow cylinder structure and front end, the trombone slide 5 that can be free to slide along the axial direction of swing arm is placed on the swing arm 2, the one end external screw thread of trombone slide 5 and the female end of sleeve pipe front end are connected, have open slot and notched ring baffle on the other end, the axial length of described open slot is greater than the head thickness of required mounting screw, groove width is greater than the diameter of the required mounting screw body of rod, and described ring baffle breach is corresponding with notch, and the required head outer diameter less than mounting screw of the internal diameter of ring baffle.

When screwdriver is installed, fixing in the aperture of elder generation with the end insertion sleeve pipe female end inboard of extension spring, male end with trombone slide is connected with the female end of sleeve pipe then, at last extension spring 3 is inserted in swing arm 2 together with sleeve pipe 4, trombone slide 5, and with fixing in the aperture on the end insertion swing arm of extension spring.As shown in Figure 5, when using screwdriver to carry out mounting screw 6, at first trombone slide 5 is pulled away from swing arm 2, again the head of screw to be installed is put into open slot, next swing arm with screw is placed among the interior ring of notched ring baffle, unclamps trombone slide at last, and trombone slide is got back to original position under the elastic force effect of extension spring, and screw is fixing firmly, hold handle the screw installation is screwed.When using this screwdriver knockout screw, should be earlier once with the screw pine, repeat above-mentioned affectedly again, unload screw after waiting to tighten again.

Claims

1. novel screwdriver, it is characterized in that: described screwdriver is by handle (1), swing arm (2), extension spring (3), sleeve pipe (4), trombone slide (5) constitutes, be equipped with extension spring (3) on the described swing arm (2), extension spring (3) one ends are fixed on the swing arm near in handle (1) end orifices, the other end is fixed in the aperture on the madial wall of sleeve pipe (4) female end, extension spring (3) outside is equipped with sleeve pipe (4), described sleeve pipe (4) has internal thread for hollow cylinder structure and front end, the trombone slide (5) that can be free to slide along the axial direction of swing arm is placed on the swing arm (2), one end of trombone slide cooperates with the female end of sleeve pipe, have open slot and notched ring baffle on the other end, the axial length of described open slot is greater than the head thickness of required mounting screw, groove width is greater than the diameter of the required mounting screw body of rod, the breach of described ring baffle is corresponding with notch, and the internal diameter of ring baffle is less than the head outer diameter of required mounting screw.