CN201394802Y

CN201394802Y - Switch type ratchet wrench

Info

Publication number: CN201394802Y
Application number: CN2009201473312U
Authority: CN
Inventors: 刘圳雄; 沈瑞骑
Original assignee: Stanley Chiro International Ltd
Current assignee: Stanley Chiro International Ltd
Priority date: 2009-04-14
Filing date: 2009-04-14
Publication date: 2010-02-03
Anticipated expiration: 2019-04-14

Abstract

A switch type ratchet wrench includes a wrench main body, a group of ratchet units and a group of direction control units. The ratchet unit has a drive head and a clamp block. The direction control unit has a shifting button, a lifting element and a positioning element. The shifting button uses the lifting element to control the clamp block to switch the left and right positions. Left and right positioning grooves are disposed on the periphery of the shifting button. The positioning element can be embedded into the shifting button positioning groove to form left and right positioning, thus, the switch type ratchet wrench is convenient to utilize.

Description

The suitching type ratchet spanner

Technical field

The utility model relates to a kind of Wrench, particularly relates to a kind of suitching type ratchet spanner with good ease of use.

Background technology

Referring to Fig. 1, shown in Figure 2, general ratchet spanner 10 mainly has a wrench body 11, a ratchet driving head 12 that is located at wrench body 11 head end places, one is set in the clipping block 13 that wrench body 11 inside can be done engagement to ratchet driving head 12, and pivot is arranged on the direction control module 14 of changeable clipping block 13 positions on the wrench body 11, clipping block 13 front sides places be provided with one with the ratchet clamping part 131 of ratchet driving head 12 engagements, the rear side place is provided with a recess 132, direction control module 14 includes a rotation toggle 141, one is located in the spring 142 of rotation toggle 141 inside, one is set in the push pedal 143 that spring 142 front end places are the E shape, reach one and insert the E type fastener 144 that is embedded in these rotation toggle 141 lower ends, this push pedal 143 is subjected to the spring 142 butted clipping block 13 rear side recesses 132 that head into, rotation toggle 141 can drive clipping block 13 by push pedal 143 and move the position to the left or to the right, in order to switch the clamped position of clipping block 13 and ratchet driving head 12, reach the effect of control ratchet driving head 12 gyratory directions whereby.

Though above-mentioned ratchet spanner 10 can reach the function that direction is switched, but still have its defective to exist in the use, the rotation toggle 141 of general ratchet spanner 10 is to produce interlock by spring 142 and push pedal 143 with clipping block 13, the retaining that clipping block 13 is subjected to wrench body 11 endoporus walls supports, can define rotation toggle 141 and dial the extreme position of commentaries on classics to the left or to the right, during the intermediate point position of switching about yet clipping block 13 will pass through, but separated without any obstacle, therefore rotate toggle 141 in the middle of use, caused changeing wrong direction by false touch easily, cause operator's puzzlement.

Summary of the invention

The utility model purpose provides a kind of suitching type ratchet spanner with good ease of use.

For achieving the above object, the utility model provides a kind of suitching type ratchet spanner, include a wrench body, a ratchet unit and a direction control module, wherein: this wrench body has a head end, this head end inside is provided with one first room, be provided with one second room adjacent to first room, one side edge, be provided with one the 3rd room adjacent to second room, one side edge, the 3rd room internal perisporium is concaved with a containing hole at the place, centre; This ratchet unit has a driving head and that is located in first room and is arranged on the clipping block that depends on the neighbour in second room with driving head mutually, this driving head periphery is provided with a ring tooth, this place, clipping block front side is provided with a ratchet part, the rear side place is provided with one and supports only recess, clipping block can be in second room about movable displacement, make ratchet part be meshed with this ring tooth; The direction control module has one and is located at pull part and an elasticity of toggle in the 3rd room, top that an elasticity is arranged on toggle inside and is arranged on keeper in the containing hole, two positioning grooves about this toggle periphery is concaved with, clipping block is stretched into to ending in the recess in this top with pulling part one end springing, make toggle can drive about clipping block and change direction by the top part of pulling, keeper just can embed and form the location in the toggle positioning groove.

The beneficial effects of the utility model are: place's elasticity is provided with positioning piece in the middle of the 3rd room inwall, cooperate the toggle periphery to be provided with about two positioning grooves, toggle can not turned to arbitrarily and reach easy-to-use effect.

Description of drawings

Fig. 1 is the exploded perspective view of general ratchet spanner;

Fig. 2 is the assembled sectional view of general ratchet spanner;

Fig. 3 is the exploded view of the utility model suitching type ratchet spanner one preferred embodiment, illustrates that the utility model includes a wrench body, a ratchet unit and a direction control module;

Fig. 4 is the assembled sectional view of above-mentioned preferred embodiment;

Fig. 5 is the action diagram of above-mentioned preferred embodiment, and the direction control module switches to the situation in left side;

Fig. 6 is the action diagram of above-mentioned preferred embodiment, and the direction control module switches to the situation on right side.

The specific embodiment

Aforementioned and other technology contents, characteristics and effect about the utility model, below cooperate the explanation of a preferred embodiment with reference to the accompanying drawings, can clearly present, the utility model suitching type ratchet spanner will be elaborated below by most preferred embodiment and accompanying drawing.

Referring to Fig. 3, Fig. 4 and shown in Figure 5, the utility model suitching type ratchet spanner is in first preferred embodiment, mainly comprise a wrench body 20, one group of ratchet unit 30 and a prescription to control module 40, then, after again the detailed construction of above-mentioned each unit and interblock space kenel being specified in.

This wrench body 20 has a head end 21, these head end 21 inside are concaved with one and are first room 211 of justifying the seat hole shape, be concaved with one second room 212 adjacent to first room, 211 1 side edge, be provided with the 3rd room 213 that is the cylindrical hole shape adjacent to second room, 212 1 side edge, be positioned at the 3rd room 213 inwalls in the middle of the place more be concaved with a containing hole 214 in the inclination mode.

This ratchet unit 30 has a driving head 31 that is located in first room 211, one is located in the control lever 32 of driving head 31 centre, one is set in the spring 33 on the control lever 32, one is set in the clip steel ball 34 of driving head 31 inside, and one be arranged in second room 211 with driving head 31 mutually by neighbour's clipping block 35, these driving head 31 peripheries are provided with a ring tooth 311, its place, end is provided with a square bolt part 312, control lever 32 is subjected to the influence that spring 33 elastic force promote, can drive the outer surface that clip steel ball 34 protrudes in square bolt part 312, this clipping block 35 is the blocks that slightly are the first quarter moon shape, its place, front side is provided with a ratchet part 351, the rear side place is provided with one and supports only recess 352, clipping block 35 can be in second room 211 about movable displacement, make ratchet part 351 be meshed with this ring tooth 311.

Direction control module 40 has a toggle 41 that is located in the 3rd room 213, the top that one elasticity the is arranged on toggle 41 inside part 42 of pulling, and one elasticity be arranged on keeper 43 in this containing hole 214, this toggle 41 has a shaft 411, and one be located at shaft 411 upper ends can for operator's hand dial commentaries on classics shank 412, this periphery, shaft 411 front side is provided with a shrinkage pool 413, two positioning grooves 414 about rear side periphery wall place is concaved with, in the present embodiment, this top part 42 of pulling includes a spring 421 and a hollow pins 422, this spring 421 is set in the shrinkage pool 413 of toggle 41, its front end can butted hollow pins 422 heads into supporting of clipping block 35 to be ended in the recess 352, make toggle 41 can drive clipping block 35 conversion left and right directions positions by the top part 42 of pulling, this keeper 43 includes a spring 431 and a steel ball 432, it is butted that this steel ball 432 is subjected to spring 431, but pulling, bullet forms the location in the positioning groove 414 that snaps in toggle 41, because the relation that containing hole 214 is inclined to set, 43 pairs of toggle 41 lower ends of keeper provide a downward thrust, and toggle 41 can be linked in the 3rd room 213 in the jail tightly.

More than be the general introduction of each structure of the utility model suitching type ratchet spanner and shape, then, effect statement as the back that action of the present utility model and expection are reached again:

Again referring to shown in Figure 5, under general state, toggle 41 makes interlock by pull part 42 of top with clipping block 32, keeper 43 bullets are pulled in the positioning groove 414 that snaps in toggle 41, make the toggle 41 can be because of rocking or false touch and arbitrarily moving, when the operator really wants toggle 41 switching right and left positions, change this toggle 41 as long as a little firmly dial, toggle 41 outer peripheral edges just can roof pressure steel ball 432 retraction containing holes 214 in, toggle 41 is under unencumbered situation, and just turn to the left or to the right is till keeper 43 snaps in positioning groove 414 again, finish the action of switching direction position, as shown in Figure 6.

In sum, the utility model suitching type ratchet spanner mainly is in order to improve the defective of general ratchet spanner 10, its employed technological means is that place's elasticity is provided with positioning piece 43 in the middle of wrench body 20 the 3rd room 213 inwalls, this keeper 43 can produce location effectiveness to toggle 41, toggle 41 can't be moved arbitrarily, only when the operator confirms to want switching direction, as long as to toggle 41 a little the application of force pull pressure, the obstruction that just can surmount keeper 43, allow toggle 41 arrival want the direction position of switching, commutation action therefore of the present utility model is quite certain, has good easy-to-use effect.

Claims

1, a kind of suitching type ratchet spanner, have a wrench body and one group of ratchet unit, this wrench body has a head end, this head end inside is provided with one first room, be provided with one second room adjacent to first room, one side edge, be provided with one the 3rd room adjacent to second room, one side edge, the 3rd room internal perisporium is concaved with a containing hole at the place, centre, this ratchet unit has an axle and is located at the interior driving head of first room, and one be arranged in second room with driving head mutually by neighbour's clipping block, this driving head periphery is provided with a row ring tooth, this place, clipping block front side is provided with a ratchet part that is meshed with this ring tooth, clipping block rear side place is provided with one and supports only recess, it is characterized in that:

One prescription is to control module, having an axle is located at pull part and elasticity of top that toggle in the 3rd room, elasticity be arranged on toggle inside and is arranged on keeper in the containing hole, two positioning grooves about this toggle periphery is concaved with, clipping block is stretched into to ending in the recess in this top with pulling part one end springing, and this keeper can embed in one of them positioning groove of toggle to form the location.

2, suitching type ratchet spanner as claimed in claim 1 is characterized in that: this top part of pulling is made up of a spring and a hollow pins.

3, suitching type ratchet spanner as claimed in claim 1 is characterized in that: this keeper is made up of a spring and a steel ball.

4, suitching type ratchet spanner as claimed in claim 1, it is characterized in that: this wrench body is provided with this containing hole in the inclination mode, makes keeper provide a directed thrust to toggle.