CN2502845Y

CN2502845Y - Adjustable wrench

Info

Publication number: CN2502845Y
Application number: CN 01260535
Authority: CN
Inventors: 黄秉文
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-09-20
Filing date: 2001-09-20
Publication date: 2002-07-31
Anticipated expiration: 2011-09-20

Abstract

An adjustable wrench is provided, which comprises a main body, a slide block, a movable jaw and a handle. The hollow part of the main body is arranged with the slide block capable of moving transversely in the hollow part; an adjusting bolt meshed with the movable jaw is pivoted on the slide block; one side of the slide block adjacent to the handle is provided with a dent; the handle is arranged with retaining parts against the slide block corresponding to the dent to fix the movable jaw by the retaining parts to prop the slide block to position when wrenching the handle and use a fixed jaw of the main body and the movable jaw to clamp the object to rotate; or the retaining parts are separated from the slide block to make the slide block and the movable jaw propped up by the object to race when wrenching the handle and used for wrenching objects in a single direction.

Description

Monkey wrench

One, technical field

The utility model relates to a kind of hand-operated tools, relates in particular to a kind of simple in structurely, and action really and monkey wrench that can unidirectional switching object.

Two, background technology

As Figure 6 and Figure 7, be a kind of monkey wrench 8 of commonly using, it has a body 81, the one side is extended with a fixed jaw 82, end then is pivoted with a handle 83 in addition, and is provided with the movable jaw 84 of a slip in the chute 811 of body 81, and this movable jaw 84 has a pushing block 841 that protrudes outside the body 81.The side of these handle 83 front ends in body 81 has a top 831, this top 831 is to peak at a slide block 85, and can drive slide block 85 make its tooth portion 851 away from or the engagement movable jaw 84 tooth portion 842, so that when driving slide block 85 with movable jaw 84 engagements, can rotate with movable jaw 84 gripping objects 9 (as: bolt, nut etc.) by the fixed jaw 82 of body 81 according to the handle of switching clockwise on the drawing 83; Then can make slide block 85 away from movable jaw 84 during counterclockwise switching handle 83, when body 81 was driven by handle 83, this movable jaw 84 can be backed down by object 9 and form idle running, made monkey wrench 8 unidirectional switching object 9 of energy in reciprocal rotation.

Commonly use the structure of rear moveable plate hand 8 as mentioned above, its structure is comparatively complicated, make to be difficult for, and when back and forth rotating monkey wrench 8, the tooth portion 851 of this slide block 85 and the tooth portion 842 of movable jaw 84 can constantly move back and forth and mesh, break away from.Therefore, the tooth portion of this slide block 85 851 and the tooth portion 842 of movable jaw 84 can wear and tear when using one section in the future, cause the untrue situation of engagement, and then cause movable jaw 84 problem of clamping article 9 really, so in addition improved necessity is arranged.

Three, summary of the invention

Main purpose of the present utility model is, provide a kind of monkey wrench for solving the above problems, when user's switching handle, can compress this slide block of location and fixing movable jaw by block piece, or oppositely switching makes block piece break away from the recess of slide block, make slide block and movable jaw be backed down and produce idle running, reach durable effect really to reach action by object.

The purpose of this utility model is realized by following technical scheme.

A kind of monkey wrench comprises: a body, a slide block, a movable jaw and a handle; This body is protruding with a fixed jaw, and the body epimere has a chute for this movable jaw is set, and this body articulates with respect to an end and this handle of fixed jaw, has a hollow bulb in this body, and this hollow bulb runs through body, and this hollow bulb is for this slide block is set; It is characterized in that: the top of described slide block, the bottom surface is limited by this hollow bulb, make this slide block only can be in hollow bulb laterally slippage, this slider pivot is provided with one and adjusts bolt, this movable jaw has a tooth portion that is engaged with to adjusting bolt, borrow to rotate and adjust bolt to change the position of this movable jaw, one side of contiguous this handle of this slide block has a recess, this handle is to should recess having a block piece that abuts against mutually with this slide block at least, be provided with more than one elastic component between this block piece and this hollow bulb, borrow this block piece of elastic force pushing tow of this elastic component, to move by the direction of this this slide block of block piece pushing tow to contiguous fixed jaw.

The purpose of this utility model can also further realize by following technical measures.

Aforesaid monkey wrench, block piece wherein are to serve as axle rotation with this handle and body articulated section, and the flight position under the corresponding normality of this hollow bulb has a slot, locate this slide block for this block piece inlay card.

Aforesaid monkey wrench, hollow bulb are wherein borrowed this slide block location of elastic force ejection of this elastic component away from being provided with one second elastic component between a side wall of this fixed jaw and this slide block.

The utlity model has following advantage:

When user's switching handle, can compress this slide block of location and fixing movable jaw by block piece, or oppositely switching makes block piece break away from the recess of slide block, makes slide block and movable jaw be backed down by object and produces idle running, action is certain to reach durable effect to reach.

Four, description of drawings

Fig. 1 is a stereoscopic schematic diagram of the present utility model.

Fig. 2 is an exploded perspective schematic diagram of the present utility model.

Fig. 3 is an assembled sectional view of the present utility model.

Fig. 4 is one of user mode schematic diagram of the present utility model.

Fig. 5 is two of a user mode schematic diagram of the present utility model.

Fig. 6 is a schematic appearance of commonly using monkey wrench.

Fig. 7 is an action schematic diagram of commonly using monkey wrench.

Five, the specific embodiment

See also Fig. 1 to Fig. 3, the monkey wrench of present embodiment comprises: a body 1, a slide block 2, a movable jaw 3 and a handle 4; This body 1 is protruding with a fixed jaw 11, and this body 1 epimere has a chute 12 and is provided with for this

movable jaw

3, and 3 pairs of this movable jaws should have a rail 31 by chute 12, and this body 1 articulates with respect to an end and the handle 4 of fixed jaw 11; Have a hollow bulb 13 in this body 1, this hollow bulb 13 is to run through body 1, and this hollow bulb 13 is to be provided with for this slide block 2, and this bottom surface, handle 4 top is tied in-one-board 401,402 respectively, establishes this body 1 with folder.

This slide block 2 is to cooperate with this hollow bulb 13, and wears and organize on this body 1 with a pin 25, makes the laterally slippage in hollow bulb 13 of this slide block 2, and this slide block 2 is pivoted with one and adjusts bolt 21.3 pairs of this movable jaws should be adjusted bolt 21 and have a tooth portion 32 that is engaged with.Adjust bolt 21 to change the position of this movable jaw 3 by rotating, one side of these slide block 2 contiguous these handles 4 has a

recess

22,4 pairs of this handles should have one first block piece 41 and one second block piece 42 by

recess

22, and 131 of the sidewalls of this second block piece 42 and hollow bulb 13 are provided with one first spring 23.By this second block piece 42 of elastic force pushing tow of this first spring 23, make this this slide block 2 of first block piece, 41 contacts, and 131 of the sidewalls of this slide block 2 and hollow bulb 13 also are provided with one second spring 24.Elastic force by this first and

second spring

23,24 pushes against this slide block 2 location, this first and second block piece the 41, the 42nd serve as that axle rotates with the articulated part 43 of this handle 4 and body 1, and first block piece, 41 positions under these hollow bulb 13 corresponding normalities have a slot 132, locate this slide block 2 for these first block piece, 41 inlay cards.

See also Fig. 4, be to insert and put object 5 during use by fixed jaw 11 and movable jaw 3, as user during with the clockwise direction switching handle 4 that indicates in scheming, this first block piece 41 is that the recess 22 of compeling this slide block 2 is supported in the axle rotation with articulated part 43, this slide block 2 is pushed to the direction of contiguous fixed jaw 11, to force movable jaw 3 clamping articles 5, rotate and can drive object 5 clockwise directions by adjusting bolt 21.See also Fig. 5 again, when counter clockwise direction switching handle 4 that the user indicates in according to figure, this first block piece 41 can serve as that axle is done rotation counterclockwise with articulated part 43, and no longer to the recess 22 of compeling this slide block 2, make slide block 2 and movable jaw 3 be free state, at this moment, this object 5 can back down this movable jaw 3 and form idle running, so, can unidirectional switching object 5 in back and forth rotating.

Owing to during these movable jaw 3 clamping articles 5, be supported due to the strength of compeling slide block 2 by first block piece 41, therefore, can not produce as commonly using in the structure and mesh and to cause the movable jaw problem of clamping article really because of abrasion with tooth.

In sum, the utility model is because this slide block 2 is to be located in the hollow bulb 13 of this body 1, can be traversing in this hollow bulb 13, and be pivoted with on the slide block 2 one with the adjustment bolt 21 of movable jaw 3 engagement, and the recess 22 of these handle 4 corresponding slide blocks 2 has first block piece 41, when making switching handle 4, can compress, locate this slide block 2 and this movable jaw 3 is fixing by first block piece 41, or oppositely switching makes first block piece 41 break away from slide block 2, make slide block 2 can be backed down by object 5 and produce idle running, reach the certain and durable effect of action with movable jaw 3.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims

1. a monkey wrench comprises: a body, a slide block, a movable jaw and a handle; This body is protruding with a fixed jaw, and the body epimere has a chute for this movable jaw is set, and this body articulates with respect to an end and this handle of fixed jaw, has a hollow bulb in this body, and this hollow bulb runs through body, and this hollow bulb is for this slide block is set;

It is characterized in that: the top of described slide block, bottom surface are limited by this hollow bulb, make this slide block only can be in hollow bulb laterally slippage, this slider pivot is provided with one and adjusts bolt, this movable jaw has a tooth portion that is engaged with to adjusting bolt, borrow to rotate and adjust bolt to change the position of this movable jaw, one side of contiguous this handle of this slide block has a recess, and this handle is provided with more than one elastic component to should recess having a block piece that abuts against mutually with this slide block at least between this block piece and this hollow bulb.

2. monkey wrench according to claim 1 is characterized in that described block piece is serves as axle rotation with this handle and body articulated section, and the flight position under the corresponding normality of this hollow bulb has a slot, locatees this slide block for this block piece inlay card.

3. monkey wrench according to claim 1 is characterized in that described hollow bulb is away from being provided with one second elastic component between a side wall of this fixed jaw and this slide block.