CN2360222Y

CN2360222Y - One-way diagonal wrench

Info

Publication number: CN2360222Y
Application number: CN 99205405
Authority: CN
Inventors: 王文普
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-03-17
Filing date: 1999-03-17
Publication date: 2000-01-26
Anticipated expiration: 2009-03-17

Abstract

The utility model relates to a one-way diagonal wrench which belongs to hand tools. A wrench main body 1 is provided with an inclined slide way 8 onside, a sliding block 5 is arranged in the slide way 8, and a turning block 2 and a spring tab 3 are also arranged on the sliding block 5. The turning block 2 can rotate towards the outer side of a wrench opening, and elastic force of the spring tab 3 is generated during rotating time. The sliding block 5 can move along the inclined slide way 8 by rotating an adjusting worm 6. The utility model not only has the function of a single rotation screw nut, but also is suitable for different sizes of screw nuts.

Description

Unidirectional adjustable wrench

The utility model is a kind of unidirectional adjustable wrench, belongs to hand tools.

Existing spanner is whenever pulled once in use, all need extract spanner, changes to and just can pull for the second time after another station is inserted well again, and operating efficiency is very low.

For overcoming above-mentioned shortcoming, the purpose of this utility model is: design a kind of the unidirectional adjustable wrench that works, not only have the function of unidirectional rotation nut, and be applicable to the nut of different sizes.

The utility model has following accompanying drawing:

Fig. 1, front view of the present utility model;

Fig. 2, the utility model in Fig. 1 A-A to profile;

Fig. 3, the utility model in Fig. 1 B-B to profile.

The number in the figure indication is respectively:

1 wrench body, 2 moving blocks, 3 spring leafs, 4 spring leaf hold-down screws, 5 slide blocks

6 regulate worm screws 7 worm screw hold-down screws 8 chute C gate shafts to the angle of pulling mouthful plane

Describe the utility model in detail below in conjunction with accompanying drawing: the utility model one-way diagonal wrench has on the wrench body 1 and inclines Oblique chute 8 is equipped with slide block 5 in the chute 8, on the slide block 5 tooth is arranged, with 6 engagements of adjusting worm screw. Slide block 5 is near spanner One end of opening is equipped with moving block 2 and spring leaf 3, and spring leaf 3 is close to the outside of moving block 2. Moving block 2 is than slide block 5 Exceed (size of the maximum nut that the concrete size that exceeds and spanner are suitable for is relevant), and can be to wrench opening Outer sideway swivel, spring leaf 3 produces elastic force during rotation.

With the situation of pulling nut clockwise the course of work of the present utility model (it is similar to pull situation counterclockwise) is described below: when spanner is pulled clockwise, moving block 2 is subjected to the pressure (coming from by spin nut) of a skew back below in wrench opening, this moment, moving block 2 kept motionless near slide block 5, rotate so can make: when spanner is pulled counterclockwise by spin nut, moving block 2 is subjected to the pressure (coming from by spin nut) of a skew back below outside wrench opening, thereby between the outer sideway swivel yielding clearancen of wrench opening, so kept motionless by spin nut, spring leaf 3 produces elastic force simultaneously.When spanner arrived new station, moving block 2 resetted under the effect of spring leaf 3.Pull spanner and so forth, can make to clockwise rotate continuously, do not reorientate and will spanner do not take off by spin nut.Back and forth pull after the spanner side changeed 180 °, can reach and make the purpose that is rotated counterclockwise continuously by spin nut.

Chute 8 tilt to be meant gate shafts to the angle C that pulls mouthful plane less than 90 °, optimum value is 60 °～75 °.Like this, rotate and regulate worm screw 6, when slide block 5 is moved along chute 8, can change the lateral attitude of moving block 2 again, just be applicable to the nut of different sizes.

The utility model has the advantages that: simple and compact for structure, can unidirectional rotation nut, applied widely, high efficiency.

Claims

1, a kind of adjustable wrench by wrench body 1, slide block 5, regulate worm screw 6 and worm screw hold-down screw 7 etc. and form, is characterized in that: the chute 8 on the wrench body 1 axially with pull the angle C on mouthful plane less than 90 °;

2, adjustable wrench as claimed in claim 1 is characterized in that: the end near wrench opening on the slide block 5 of spanner is equipped with moving block 2 and spring leaf 3, and spring leaf 3 is close to the outside of moving block 2; Moving block 2 can rotate to the outside of wrench opening, compresses spring leaf 3 simultaneously.