CN202037579U

CN202037579U - Improved torque wrench adjusting locating structure

Info

Publication number: CN202037579U
Application number: CN2011200190402U
Authority: CN
Inventors: 黄鸿文
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-01-19
Filing date: 2011-01-19
Publication date: 2011-11-16
Anticipated expiration: 2021-01-19

Abstract

The utility model relates to an improved torque wrench adjusting locating structure, comprising a wrench, a grab handle, a torsion spring, an adjusting block, an adjusting rod and a locating assembly, wherein the grab handle, the torsion spring, the adjusting block, the adjusting rod and the locating assembly are disposed on a handle rod at the rear end of the wrench as a group, so the wrench possesses the functions of torque force adjustment and location when being pulled. The improved torque wrench adjusting locating structure is mainly characterized in that a rear hole portion is formed in the tail end of the grab handle for the arrangement of the locating assembly, which comprises an annular sleeve, a driving rod and an elastic piece; an internal tooth portion and an external tooth portion, which are meshed with each other, are formed on an internal annular surface of the annular surface and a corresponding external end surface of the driving rod respectively; an inner edge axis of the driving rod is penetrated by a polygonal locating hole, which can be exactly sleeved on a polygonal section at the tail end of the adjusting rod for driving combination; and the elastic piece is disposed between the driving rod and an inner hole surface of the rear hole portion. The improved torque wrench adjusting locating structure enables the driving rod to drive the adjusting rod for the adjustment of a torque force value and torque force location after the adjustment, thereby facilitating the adjustment of the torque force value of the torque wrench and preventing an application of force during the pulling of the grab handle from bringing negative influence on the locating assembly.

Description

The adjustment location structure improvement of torque spanner

Technical field

The utility model relates to a kind of torque spanner, and particularly a kind of torque spanner is made the adjusted location structure of torque value.

Background technology

Torque spanner is that a kind of torque value that can be preestablished is with to the fixing specialty spanner of torsion turn operation of screw workpiece.By prior art as can be known, a kind of torque spanner is shown in the swing handle structure patent case of TaiWan, China certificate number M364583 torsion setting spanner, it mainly is in the close end of the effort handle of a torsion setting spanner, locking has a hollow collar in advance, and in the side of this collar level formula endoporus adjacent to swing handle, be provided with an inner circular tooth again, the swing handle and the elastomeric effect that have corresponding outer shroud tooth with cooperation, make the inner and outer rings tooth of the collar and swing handle become the engagement card of normality to end state, reach the purpose of torsion location.Yet, because should existing utility model be that the collar and the swing handle of location usefulness are located between swing handle and the effort handle, when the user pulls the operation torsion spanner, tend to hold swing handle and pull action, so not only adjustment operation inconvenience of torque value, and also the structure of easily torsion being located causes harmful effect, and the necessity that is improved is arranged.

In view of this, the utility model designer deeply inquires at aforementioned existing utility model problem, and by means of research and development and the manufacturing experience of being engaged in related industry for many years, actively seek to solve the election road, research and development through long-term endeavour, the adjustment location structure improvement of developing the utility model torque spanner of success finally is to improve the problem of existing product.

Summary of the invention

Main purpose of the present utility model provides a kind of adjustment location structure improvement of torque spanner, and it is to make the operation of locating after its torsion adjustment of torque spanner can be more smooth and easy, and can not cause harmful effect because of pulling the application of force.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of adjustment location structure improvement of torque spanner, its formation comprises a spanner, this spanner rear end is provided with the handle bar of hollow, and be arranged with lever, this handle bar hollow inner edge can be installed with for the member of transferring torque value, and the member of this transfer torque value comprises the torsion spring, adjusts piece and adjusting lever, and after this member torsion of transferring torque value is adjusted, and can rely on its torque value of positioning component strong fix, it is characterized in that:

The terminal inner edge of this lever is formed with a metapore portion, be used for for this positioning component setting, this positioning component comprises a ring set, drive bar and elastic component, this ring set is fixedly arranged on the internal face place of this metapore portion near the outer end, the inner ring surface of this ring set equidistantly is laid with internal tooth portion, and this drive bar an end outer peripheral face that should ring set is formed can with the outer toothed portion of this internal tooth portion engagement, this drives bar a polygonal locating hole is then being run through at place, an end inner edge axle center that should ring set, this locating hole can be polygonal polygonal section for this adjusting lever end and wear do driving combination, this outer toothed portion of driving bar one end is mounted in this metapore portion, this elastic component is set on polygonal section of this adjusting lever, and is located between the inner hole surface of this end face that drives bar and metapore portion.

Wherein: polygonal section end of this adjusting lever is formed with a lockhole, and this adjusting lever is set in this locating hole that drives bar, and a screw rod is locked in this lockhole and with this adjusting lever and drive bar and be fixed as one.

Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be: so, utilize this positioning component to be located at this lever end, make the structural design of interlock simultaneously with this adjusting lever, the adjustment that not only makes the torque of wrenches value more smoothly, and in the time of avoiding lever to pull the application of force, positioning component is caused harmful effect, and promote efficient and the quality of using.

Description of drawings

Fig. 1 is a three-dimensional combination appearance figure of the present utility model;

Fig. 2 is a three-dimensional exploded view of the present utility model;

Fig. 3 is a combination section of the present utility model;

Fig. 4 is the schematic diagram that the utility model torsion is adjusted;

Fig. 5 is the adjusted location of a utility model torsion schematic diagram.

Description of reference numerals: spanner 10; Handle bar 11; Lever 20; Metapore portion 21; Torsion spring 30; Adjust piece 40; Adjusting lever 50; Polygonal section 51; Lockhole 52; Bearing 60; Positioning component 70; Ring set 71; Internal tooth portion 711; Drive bar 72; Outer toothed portion 721; Locating hole 722; Elastic component 73; Screw rod 81.

The specific embodiment

See also Fig. 1～shown in Figure 5, the adjustment location structure improvement of the utility model torque spanner is by a spanner 10, and be mounted on lever 20 on these spanner 10 rear end handle bars 11, torsion spring 30, adjust piece 40, members such as adjusting lever 50, bearing 60 and positioning component 70 form, wherein:

This spanner 10 is general box spanners, holding an end of exerting oneself for the user utilizes these handle bar 11 hollow inner edge groups to establish to provide the torsion of torsion spring 30, adjusts members such as piece 40, adjusting lever 50, bearing 60, and for these lever 20 cover groups, utilize this adjusting lever 50 and adjust piece 40 and cooperate compression or loosen the elastic torsion that this torsion spring 30 is positioned at this handle bar 11, reach the purpose of adjusting torsion, combining structure because of these members is general prior art, repeats no more.

These lever 20 inner edge hollows, the front end sleeve group is in handle bar 11 ends of this spanner 10, and the rear end inner edge is formed with a metapore portion 21, is used for being provided with for this positioning component 70.

This positioning component 70 by a ring set 71, drive structures such as bar 72 and elastic component 73 and form.This ring set 71 is the annular components that are should metapore portion 21, is fixedly arranged on the internal face place of this metapore portion 21 near outer ends, and its inner ring surface equidistantly is laid with internal tooth portion 711.And this drives bar 72 and is the member of minor axis shape, its to an end outer peripheral face that should ring set 71 be formed with just can with the outer toothed portion 721 of these internal tooth portion 711 engagements, and place, inner edge axle center is penetrated with a polygonal locating hole 722, can be polygonal polygonal section 51 for these adjusting lever 50 ends and wear do driving combination.Polygonal section 51 end of this adjusting lever 50 is formed with a lockhole 52 again, in the time of in it is set in this locating hole that drives bar 72 722, can utilize a screw rod 81 lock to establish, and with this adjusting lever 50 and drive bar 72 and be fixed as one.

Secondly, this elastic component 73 is generally to compress spring, it is set on polygonal section 51 of this adjusting lever 50, when this outer toothed portion 721 embedding groups of driving bar 72 during in the internal tooth portion 711 of this ring set 71, these elastic component 73 two ends are located between this inner hole surface of driving bar 72 end faces and metapore portion 21, utilize the resilient force of this elastic component 73 to drive bar 72 in this, and can make contacting of these outer toothed portion 721 elasticity starts with these internal tooth portion 711 do engagements, make this drive bar 72 and can drive the adjustment that this adjusting lever 50 is made torque value, and adjusted torsion location.

In view of the above, rely on above-mentioned member to be formed, utilize this positioning component 70 to be located at this lever 20 ends, and make simultaneously the structural design of interlock with this adjusting lever 50, the adjustment that not only makes the torque of wrenches value more smoothly, and in the time of avoiding lever to pull the application of force, positioning component is caused harmful effect, and promote efficient and the quality of using.

More than explanation is just illustrative for the utility model; and nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited; can make many modifications, variation or equivalence, but all will fall within the protection domain of the present utility model.

Claims

1. the adjustment location structure of torque spanner improvement, its formation comprises a spanner, this spanner rear end is provided with the handle bar of hollow, and be arranged with lever, this handle bar hollow inner edge can be installed with for the member of transferring torque value, and the member of this transfer torque value comprises the torsion spring, adjusts piece and adjusting lever, and after this member torsion of transferring torque value is adjusted, and can rely on its torque value of positioning component strong fix, it is characterized in that:

2. the adjustment location structure of torque spanner according to claim 1 improvement, it is characterized in that: polygonal section end of this adjusting lever is formed with a lockhole, this adjusting lever is set in this locating hole that drives bar, and a screw rod is locked in this lockhole and with this adjusting lever and drive bar and be fixed as one.