CN2354712Y

CN2354712Y - Stepless wrench

Info

Publication number: CN2354712Y
Application number: CN 98248981
Authority: CN
Inventors: 纪源锦; 杨佩芝
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-11-11
Filing date: 1998-11-11
Publication date: 1999-12-22
Anticipated expiration: 2008-11-11

Abstract

The utility model relates to a stepless wrench, which comprises mainly a first wrench body, a wrenching handle and a second wrench body. The utility model is characterized in that one end of the first wrench body is provided with fixed wrench teeth; the first wrench body is provided with a trapezoidal containing space whose interior is provided with a slideway, and the second wrench body whose one end is also provided a set of adjusting wrench teeth is arranged in the containing space; the middle and the other end of the second wrench body are provided with a fixing screw hole and an adjusting part, as well as an adjusting block and a fixing block; the adjusting block and the fixing block are outward provided respectively with a sliding part; the adjusting block is fixed on the second wrench body, and the adjusting block and the fixing block are stuck in the containing space. The utility model has the advantages that a workpiece can be fixed conveniently by the stepless wrench; the utility model is convenient and practical.

Description

There is not the section wrench

The utility model relates to a kind of hand-operated tools field and is used for fastening, connection, dismounting or clamping tools, particularly relating to a kind of fixed structure of sliding shoe that utilizes comes the driving belt movable clamp port to open apart from size, reaching does not have section adjustment and segmentation labour-saving structure and effect, thereby is suitable for practical no section wrench more.

General existing wrench, it is not a structure of not adjusting jaw generally structurally, must utilize the adjustment screw to adjust the A/F of pliers exactly, so that its structure does not meet the user is required, can say so does not quite have practicality, and mainly there is following shortcoming in it:

1, for the wrench of not adjusting width of jaw, it all must adjust the A/F that just can reach best for several times in use, and can cause the user constantly to press wrench and use pliers, so in use all can bring very big trouble and waste strength, and be unsuitable for very much practicality to the user.

2, in order to improve the defective of above-mentioned wrench, there be a kind of the utilization to adjust the wrench that screw is adjusted the pliers A/F again, though this kind frame mode has solved the defective that can't adjust the jaw structure that existing wrench exists, but because it will consider still in use how many jaws should be adjusted to and just can reach the problem of preferable fixed width, so also be suitable trouble in the use.

3, with above-mentioned the 2nd described, if in use, if when jaw needs out apart from bigger gap, the user must usually regulate and adjust the screw turnover, thereby controls the opening apart from size of its jaw, therefore also is to use quite inconvenient structure.

This shows that above-mentioned existing wrench structurally still has many defectives, and the assistant officer waits to be improved.

Because the defective that above-mentioned existing wrench exists, the design people is based on abundant practical experience and professional knowledge, in the hope of designing a kind of nothing section wrench, and can improve general wrench structure on the market, make the worker convenient when work, through constantly research, design, and after studying sample and improvement repeatedly, create the utility model finally.

Main purpose of the present utility model is, overcome the existing defective of existing wrench, and provide a kind of no section wrench of new structure, make the user when easy-to-use pincers, can directly be adjusted to optimal opening jaw, can not exist existing wrench structure need adjust the such trouble of screw always.

Another purpose of the present utility model is, a kind of nothing section wrench is provided, makes the user convenient when using the utility model section of nothing wrench, and can be more laborsaving, not only can reach does not have the function that section is adjusted jaw, but also has the labour-saving effect.

The purpose of this utility model is realized by following technical scheme.According to a kind of nothing section wrench that the utility model proposes, it mainly comprises one first caliper, pulls the handle and second caliper, wherein this pulls the side that handle is hubbed on first caliper, one end of first caliper is provided with a fixing pincers tooth, it is characterized in that: on this first caliper, be provided with one and slightly be trapezoidal accommodation space, and be provided with chute in this accommodation space, and be equipped with one second caliper in this accommodation space, and an end of second caliper also is provided with one and adjusts the pincers tooth, and its centre and the other end then are provided with a fixing threaded hole and and adjust the position; In addition and be provided with and adjust piece and fixed block, also each outwards is provided with a sliding part for this adjustment piece, fixed block, and the adjustment piece is provided with a screw, being provided with a retaining element in this screw wears and adjusts piece and will adjust piece and be fixed to second caliper, this fixed block and adjustment piece constitute the wrench structure of not having the section fixation workpiece for being arranged on closely in the accommodation space.

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

Aforesaid nothing section wrench, the wherein said handle of pulling is provided with a pivot hole, cross-under is provided with a torque spring in this pivot hole, and is pivoted and is linked to one and links sheet, and the other end of this binding sheet then forms and is provided with the tooth piece, and be pivotally arranged on the adjustment position of second caliper, and this adjustment position is provided with a concave-arc part, and this concave-arc part is provided with the buckle teeth groove with respect to the tooth piece, and the tooth piece of this binding sheet is fastened on the buckle teeth groove, and on the buckle teeth groove, move, constitute segmentation labour-saving caliper structure.

Aforesaid nothing section wrench, the shaped design of wherein said accommodation space, adjustment piece and fixed block is relative shape, and the shape of adjustment piece and fixed block also can be relative triangle.

The utility model compared with prior art has tangible advantage and good effect.By above technical scheme as can be known, the utility model mainly comprises one first caliper, pulls the handle and second caliper, wherein, one end of first caliper is provided with a fixing pincers tooth, and on first caliper, be provided with one and slightly be trapezoidal accommodation space, and be provided with chute in this accommodation space, and this accommodation space is for ccontaining one second caliper, and an end of second caliper also is provided with one and adjusts the pincers tooth, and its centre and the other end then are provided with a fixing threaded hole and and adjust the position; It also is provided with adjustment piece and fixed block, also each outwards is provided with a sliding part for this adjustment piece, fixed block, and adjust piece and be fixed to second caliper, making fixed block and adjustment piece be is arranged in the accommodation space closely, so can reach the wrench structure of not having the section fixation workpiece, and can reach convenient and practical effect.Now effect and the value that the utility model section of nothing wrench can be reached is described as follows:

1, the utility model in use, via the adjustment of adjusting piece and the fixed structure of fixed block, there be not structure and the effect that section is adjusted and make the user can reach in use, so occupation mode can cause when adjusting the pliers opening convenient and rapid, needn't need regulate as existing wrench and adjust the opening that screw is adjusted pliers, it is quite convenient to use, and the use that quite meets the consumer is seen.

2, the utility model cooperation is provided with labor-saving structure, therefore only need utilize the adjustment piece to be adjusted to the suitable opening distance, again fixedly behind the fixed block, pull handle, and make its moving structure reach best laborsaving fastening structure via the tooth piece, and can be so that the user is convenient in the use.

3, the utility model section of nothing wrench, it is used easy combining structure mode, adjusts the fixed structure mode of piece and fixed block, there is not the distance of opening that section is adjusted the caliper opening and can reach, making it have convenient and effect is used in the labour-saving, is the structure that needs of the section of the nothing wrench user institute utmost point now really.

In sum, the utility model makes the user when easy-to-use pincers, can directly be adjusted to optimal opening jaw, can not exist existing wrench structure need adjust the such trouble of screw always, convenient during use, and can be more laborsaving, not only can reach and not have section adjustment jaw function, but also have the labour-saving effect, no matter it is structurally or bigger improvement all arranged on the function, development is required meeting really on the cost benefit on the industry, and produced handy and practical effect, and have the effect of enhancement really, thus be suitable for practicality more, really be a novelty, progressive, practical new design.

Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.

Fig. 1 is the exploded perspective schematic diagram of the utility model section of nothing wrench.

Fig. 2 is the stereoscopic figure of the utility model section of nothing wrench.

Fig. 3 is the adjustment of jaw of the utility model section of nothing wrench and the action schematic diagram one of tooth piece button top buckle teeth groove.

Fig. 4 is the adjustment of jaw of the utility model section of nothing wrench and the action schematic diagram two of tooth piece button top buckle teeth groove.

Fig. 5 is the adjustment of jaw of the utility model section of nothing wrench and the action schematic diagram three of tooth piece button top buckle teeth groove.

Below in conjunction with accompanying drawing and preferred embodiment, to according to no its concrete structure of section wrench, feature and the effect thereof that the utility model proposes, describe in detail as after.

See also shown in Figure 1, the utility model section of nothing wrench, it mainly comprises one first caliper 10, pulls handle 20, second caliper 30, adjust piece 40 and fixed block 50, wherein:

This first caliper 10, one end form and to be provided with a fixing pincers tooth 11, and are provided with one slightly are trapezoidal accommodation space 12 on first caliper 10, and are provided with chute 13 in this accommodation space 12, and are for ccontaining one second caliper 30 in this accommodation space 12;

This pulls handle 20, is hubbed on a side of first caliper 10;

This second caliper 30, one end also form and are provided with an adjustment pincers tooth 31, and its centre and the other end then form and be provided with a fixing threaded hole 32 and an adjustment position 33;

This adjusts piece 40, for being trapezoidal shape, is provided with a screw 41 on adjustment piece 40, be provided with a retaining element 42 in this screw 41, adjust piece 40 and can wear, will adjust piece 40 and be fixed to second caliper 30, and make it by in the ccontaining accommodation space 12 that is arranged on first caliper 10;

This fixed block 50, also for being trapezoidal shape, and each outwards is provided with a sliding part 51 this adjustment piece 40, fixed block 50, can not drop out when making adjustment piece 40 and fixed block 50 in the accommodation space 12 of packing into, this sliding part 51 is slidingly matched for the chute 13 in accommodation space 12, and this fixed block 50 also is arranged in the accommodation space 12 closely with adjustment piece 40;

Moreover, the handle 20 of pulling of the utility model section of nothing wrench is provided with a pivot hole 21, after cross-under is provided with a torque spring 211 in this pivot hole 21, be pivoted again and be linked to a binding sheet 22, the other end of this binding sheet 22 then is provided with tooth piece 23, and tooth piece 23 is the adjustment positions 33 that are pivotally arranged on second caliper 30, and this adjustment position 33 is provided with a concave-arc part 34 (as shown in Figure 3), this concave-arc part 34 is provided with the buckle teeth groove 35 with respect to tooth piece 23, and the tooth piece 23 that make to link sheet 22 can buckle and be engaged on the buckle teeth groove 35, and constitutes the utility model section of nothing wrench (as shown in Figure 2).

See also shown in Figure 3, the utility model in use, its adjustment piece 40 position in accommodation space 12 of can adjusting and slide, when adjustment piece 40 is pulled to right positions, it links second caliper 30 that drives and also can and then move to right, relatively cause the width of two jaws to fade to maximum, if and because workpiece 60 is really not so when big, the utility model only needs adjustment piece 40 is pulled to the left, and make adjustment caliper 31 buttons of second caliper 30 support workpiece 60, again fixed block 50 is pulled to the left, and its button is withstood on the adjustment piece 40 (as Fig. 4, shown in Fig. 5), then because when this workpiece 60 of fastening, the reaction force meeting application of force of its workpiece 60 is on second caliper 30, also just the application of force is on adjustment piece 40 simultaneously for it, and so meeting be the configuration state that is pressing closer more because adjusting two relative trapezium structures of piece 40 and fixed block 50, and more can reach the effect of fastening workpiece;

See also Fig. 3, Fig. 4, shown in Figure 5, then, firmly pull handle 20 again, so can withstand on second caliper 30 and adjust on the buckle teeth groove 35 of positions 33 concave-arc parts 34 so that link the tooth piece 23 of sheet 22, and pull back and forth along with pulling handle 20, and can make the tooth piece 23 that links sheet 22 on buckle teeth groove 35, to move, and make the adjustment of second caliper 30 clamp tooth 31 more near fixing pincers tooth 11, and can constitute segmentation labour-saving caliper structure.

Certainly, when finishing using, fixed block 50 can be moved to right along the chute 13 in the accommodation space 12, and when fixed block 50 moves to right, adjusting piece 40 also could make its both gap become big along with the disengaging of fixed block 50, therefore could be along with mobile, can cause this moment the distance of adjusting pincers tooth 31 and fixing pincers tooth 11 to become greatly along with moving of second caliper 30, and make that the tooth piece 23 that links sheet 22 can be along with the bottom of the buckle teeth groove 35 that moves down and be fastened on concave-arc part 34.

By above-described nothing section wrench as can be known, the defective that the utility model does not have existing wrench structure to be produced in use fully, and can be so that wrench is firm more and convenient in the use, therefore the utility model can reach suitable practicality, and has the value on the industry.

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 kind of nothing section wrench, it mainly comprises one first caliper, pulls the handle and second caliper, and wherein this pulls the side that handle is hubbed on first caliper, and an end of first caliper is provided with a fixing pincers tooth, it is characterized in that:

On this first caliper, be provided with one and slightly be trapezoidal accommodation space, and be provided with chute in this accommodation space, and be equipped with one second caliper in this accommodation space, and an end of second caliper also is provided with one and adjusts the pincers tooth, in the middle of it and the other end then be provided with a fixing threaded hole and and adjust the position;

In addition and be provided with and adjust piece and fixed block, also each outwards is provided with a sliding part for this adjustment piece, fixed block, and the adjustment piece is provided with a screw, being provided with a retaining element in this screw wears and adjusts piece and will adjust piece and be fixed to second caliper, this fixed block and adjustment piece constitute the wrench structure of not having the section fixation workpiece for being arranged on closely in the accommodation space.

2, nothing section wrench according to claim 1, it is characterized in that the described handle of pulling is provided with a pivot hole, cross-under is provided with a torque spring in this pivot hole, and be pivoted and be linked to one and link sheet, the other end of this binding sheet then forms and is provided with the tooth piece, and is pivotally arranged on the adjustment position of second caliper, and this adjustment position is provided with a concave-arc part, this concave-arc part is provided with the buckle teeth groove with respect to the tooth piece, and the tooth piece of this binding sheet is fastened on the buckle teeth groove.

3, nothing section wrench according to claim 1 and 2 it is characterized in that the shaped design of described accommodation space, adjustment piece and fixed block is relative shape, and the shape of adjustment piece and fixed block also can be relative triangle.