CN201211657Y

CN201211657Y - Easy assembled unidirectional ratcher combination wrench

Info

Publication number: CN201211657Y
Application number: CNU2008201131293U
Authority: CN
Inventors: 吴天国
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-07-02
Filing date: 2008-07-02
Publication date: 2009-03-25
Anticipated expiration: 2018-07-02

Abstract

The utility model relates to a one-way ratchet wheel combination wrench for facilitating the assembly, which belongs to the technical field of a manual tool. One end of a wrench handle is provided with an open-end wrench for screwing a bolt or a screw cap and the other end of the wrench handle is provided with a round hole for arranging a ratchet wheel; a crescent hole is arranged at one side of the round hole close to the wrench handle; a detent and a spring sleeved on a location post of the detent are arranged in the crescent hole; one side of the inner cylindrical surface of the round hole of the wrench handle for arranging the ratchet wheel is provided with an annular groove for arranging a jump ring which is clamped in a groove of the ratchet wheel and the annular groove of the wrench handle; the ratchet of the detent can be mutually meshed with that of the ratchet wheel under the elasticity of the spring; and the upper and the lower sides of the inner cylindrical surface of the round hole of the wrench handle for arranging the ratchet wheel are both provided with annular grooves for arranging the jump ring. The utility model has the advantages that a production worker can assemble products conveniently and quickly, the production efficiency is enhanced, the production cost is lowered, and the wrench can be popularized and applied to the products of the same type.

Description

The single direction ratchet combination wrenches of ease of assembly

Technical field:

The utility model relates to the hand-operated tools technical field, refers in particular to a kind of single direction ratchet combination wrenches of ease of assembly.

Background technology:

In mechanical processing industry, ratchet spanner is very common hand-operated tools, it utilizes the one way engagement of ratchet and pawl teeth to realize dismounting and installation to securing member, referring to Fig. 1: there is a kind of technical characterictic of ratchet spanner to be in the prior art: mainly include handle body 1 and be located at ratchet 5 in the handle body 1, in the half-moon groove of handle body 1, be provided with can with the ratchet 3 of ratchet 5 tight engagement, be with stage clip 2 on the connector of ratchet 3, be provided with jump ring 4 in the jump ring groove 6 of ratchet 5, jump ring 4 is installed in the circular hole 9 of handle body 1 after clamping in the jump ring groove 6 of ratchet 5, this moment, the inboard of jump ring 4 was stuck in the jump ring groove 6 of ratchet 5, the outside of jump ring 4 is stuck in the jump ring groove 7 of handle body 1, its weak point is: this one-way ratchet wrench is when assembling, the jump ring groove 7 that must make the jump ring groove 6 of ratchet 5 and handle body 1 all simultaneously on top or the bottom could assemble, otherwise, jump ring 4 can not be stuck in the jump ring groove 7 of handle body 1, the installation direction of the jump ring groove 6 of adjustment ratchet 5 and the jump ring groove 7 of handle body 1 needs the regular hour, and, in case direction is got wrong, then can't assemble, must readjust the installation direction of the jump ring groove 7 of the jump ring groove 6 of correct ratchet 5 and handle body 1 could assemble, this adjustment process can increase more built-up time, causes production efficiency low.

Summary of the invention:

The purpose of this utility model provides a kind of single direction ratchet combination wrenches of ease of assembly.

The utility model is achieved in that the single direction ratchet combination wrenches of ease of assembly, include pinch bar, ratchet, ratchet, spring and jump ring, one end of pinch bar is provided with twists the open-end wrench that bolt or nut are used, the other end is provided with installs the circular hole that ratchet is used, side at the close pinch bar of circular hole offers the crescent hole, ratchet and the spring on the reference column of cover ratchet are installed in the crescent hole, one side of the inner cylinder face of the circular hole of using at the installation ratchet of pinch bar is provided with installs the annular groove that jump ring is used, jump ring is stuck in the annular groove of the draw-in groove of ratchet and pinch bar, the ratchet of ratchet can be meshing with each other with the ratchet of ratchet under the elastic force of spring, and the both sides up and down of the inner cylinder face of the circular hole of using at the installation ratchet of pinch bar are provided with installs the annular groove that jump ring is used.

The outstanding compared to existing technology advantage of the utility model is:

1, the installation direction of the jump ring groove of ratchet jump ring groove of the present utility model and pinch bar is unrestricted, all can assemble at both forward and reverse directions, makes the direct labor easy to assembly, quick, and production efficiency improves, and production cost reduces, alternative existing product;

2, the utility model can be applicable on product of the same type.

Description of drawings:

Fig. 1 is the structure diagram of No. 200620157887.6 Chinese patents " a kind of ratchet one-way plum is driven spanner " in the background technology;

Fig. 2 is a front view of the present utility model;

Fig. 3 is one of partial sectional view of the present utility model;

Fig. 4 is two of a partial sectional view of the present utility model;

Fig. 5 is a decomposing schematic representation of the present utility model.

The specific embodiment:

With specific embodiment the utility model is further described below:

Referring to Fig. 2-5: the single direction ratchet combination wrenches of ease of assembly, include pinch bar 10, ratchet 40, ratchet 50, spring 60 and jump ring 70, one end of pinch bar 10 is provided with twists the open-end wrench 20 that bolt or nut are used, the other end of pinch bar 10 is provided with the circular hole 301 that ratchet 40 usefulness are installed, side at circular hole 301 close pinch bars 10 offers crescent hole 302, spring 60 is installed in the crescent hole 302 after being enclosed within on the reference column 501 of ratchet 50, side at the inner cylinder face of the circular hole 301 of installation ratchet 40 usefulness of pinch bar 10 is provided with the annular groove 303 that jump ring 70 usefulness are installed, after jump ring 70 is stuck in the draw-in groove 401 of ratchet 40, ratchet 40 together is installed in the ratchet installing hole 301 of pinch bar 10 1 ends with jump ring 70, the ratchet of assembling back ratchet 50 can be meshing with each other with the ratchet of ratchet 40 under the elastic force of spring 60, jump ring 70 is stuck in the annular groove 401 of ratchet 40 and pinch bar 10, is provided with the

annular groove

303 and 304 that jump ring 70 usefulness are installed in the both sides up and down of the inner cylinder face of the circular hole 301 of installation ratchet 40 usefulness of pinch bar 10.

Like this, this one-way ratchet wrench is when assembling, no matter pinch bar 10 is placed up for face up placement or reverse side, after packing into ratchet 40 in the circular hole 301 of installation ratchet 40 usefulness of pinch bar 10, jump ring 70 in the ratchet 40 all can snap in the

annular groove

304 or 303 of pinch bar 10, realizes the axial location of ratchet 40 with pinch bar 10.

The foregoing description only is one of preferred embodiment of the present utility model; be not to limit protection domain of the present utility model with this; so: all equivalences of doing according to shape of the present utility model, structure, principle change, and all should be covered by within the protection domain of the present utility model.

Claims

1, the single direction ratchet combination wrenches of ease of assembly, include pinch bar, ratchet, ratchet, spring and jump ring, one end of pinch bar is provided with twists the open-end wrench that bolt or nut are used, the other end is provided with installs the circular hole that ratchet is used, side at the close pinch bar of circular hole offers the crescent hole, ratchet and the spring on the reference column of cover ratchet are installed in the crescent hole, one side of the inner cylinder face of the circular hole of using at the installation ratchet of pinch bar is provided with installs the annular groove that jump ring is used, jump ring is stuck in the annular groove of the draw-in groove of ratchet and pinch bar, the ratchet of ratchet can be meshing with each other with the ratchet of ratchet under the elastic force of spring, and the both sides up and down that it is characterized in that the inner cylinder face of the circular hole used at the installation ratchet of pinch bar are provided with installs the annular groove that jump ring is used.