CN101347931B

CN101347931B - Torque wrench

Info

Publication number: CN101347931B
Application number: CN2008100712937A
Authority: CN
Inventors: 吴日淳
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-06-24
Filing date: 2008-06-24
Publication date: 2010-10-06
Anticipated expiration: 2028-06-24
Also published as: CN101347931A

Abstract

The invention relates to a torque spanner which comprises an operating rod, a holding rod, a coupling rod and a regulating component; wherein, the operating rod is provided with a driving part and a socket pipe part, and the holding rod is provided with a slide prevention pipe segment and an engaging ring segment; the engaging ring segment is provided with a plurality of engaging teeth and a plurality of positioning slots which are formed in an inner ring surface in a spaced way; the regulating component is connected to the front end of the holding rod, and is provided with a regulating button, an elastic body and a halving piece; the regulating button is provided with a through hole, an engaging part, a plurality of engaging teeth and a positioning block. Thus, when the regulating button is operated to embed and fix the positioning block of the regulating button in different positioning slots to hit the target of adjusting the pound value in a short time, with easy and convenient operation ensured in addition.

Description

Torque spanner

Technical field

The invention relates to a kind of spanner, but be meant a kind of torque spanner of rapid adjustment poundage especially.

Background technology

The usefulness that torque spanner system is used for tearing open the lock screw, and, by setting fixing torque value (poundage), control the locking degree of tearing the lock screw open.Because needing accurate lock, special facility, the structure of its parts join degree, so generally by the torque value of setting torque spanner, the accurate parts that lock to meet the required characteristic of machinery, simultaneously, also meet safety standard.

Traditional torque spanner, the setting of its torque value normally by a plurality of small scales, is done the fine setting of scale one by one, sets the torque value of this torque spanner.

Only, though the torque spanner that fine setting is set no doubt has the wide advantage of applicability, but, on particular machines is used, bigger as the suitable specification skip frame of torque value, for example: these mechanical parts need use the torque value of 50 pounds, 75 pounds and 105 pounds, at this moment, the mode that must single-frame adjust not only must spend the adjustment time, and meeting retardation job schedule, this will have a greatly reduced quality for the work effect; In addition, in this way by the torque spanner of directly changing different poundages, satisfy the demand of different torque values, then more waste man-hour, can be more complicated in the operation, for staff's work effect, at all can not bring any benefit, therefore, be necessary to seek again the way that solves, with Jiahui in industrial demand.

Summary of the invention

But the torque spanner that the purpose of this invention is to provide a kind of rapid adjustment poundage and operation simple and convenient.

For reaching above-mentioned purpose, the present invention adopts following technical solution:

A kind of torque spanner includes action bars, holding rod, trace and adjusts assembly, and wherein, this action bars has a drive division and a socket pipe portion; This holding rod has the bridle joint ring section that a hollow on-slip pipeline section and that is sheathed on the socket pipe portion of action bars is located at this on-slip pipeline section front end, and this bridle joint ring section is formed with a plurality of engaging tooths and a plurality of locating slot at interval in inner ring surface; This trace is set in this action bars and this holding rod inside, and forms a tooth pick division in front end; And should adjust assembly, be engaged on the front end of this holding rod, and have one and adjust button, an elastomer and a lock-connecting piece, this adjustment button has tooth pick division and a plurality of engaging tooth and a positioning block that is formed at outer ring surface that a perforation, is formed at this perforation stage casing, this elastomer is the leading section that is set in this trace, and this lock-connecting piece is locked in this trace front end, adjusts on the button so that this elastomer lock is against.

This adjustment assembly has more a pad, and this elastomeric end is to be connected on the inner rank part of this adjustment button, and the elastomeric other end is to be resisted against on the pad, but constitutes the elastic force of bullet support.

This adjustment assembly has more a cap, and this cap is covered on the inner rank part outside of this adjustment button.

This action bars has more a front lining and a back bush that is set in this socket pipe portion, this trace has more pipeline section before, the protrusion piece of a back pipeline section and between this preceding pipeline section and back pipeline section, should preceding pipeline section be that cover is through in the front lining of this action bars, this back pipeline section is that cover is through in the back bush of this action bars, when trace moved produce in this adjustment button before and after during displacement, the protrusion piece of this trace is movable back and forth in the front lining of this action bars and the confined space between the back bush.

Adopt such scheme, the bridle joint ring section of mat holding rod front end of the present invention forms a plurality of engaging tooths and a plurality of locating slot at interval in inner ring surface, and adjust assembly is the front end that is engaged on this holding rod, and have one and adjust button, an elastomer and a lock-connecting piece, by this, when button is adjusted in operation, be aided with easy stretching, spinning movement, order is adjusted the locating piece difference build-in of button on each locating slot of this holding rod, can be with the torque spanner rapid adjustment to required fixedly poundage, and the operation simple and convenient can promote the work effect.

Description of drawings

Fig. 1 is the stereogram of torque spanner of the present invention;

Fig. 2 is the exploded perspective view of torque spanner of the present invention;

Fig. 3 is the front view of the holding rod of this torque spanner;

Fig. 4 is the cutaway view of torque spanner of the present invention;

Fig. 5 is the cutaway view of this adjustment button of display operation;

Fig. 6 is that embodiments of the invention show that adjusting button is adjusted to 85 pounds state;

Fig. 7 is that the embodiment of the invention shows that adjusting button is adjusted to 103 pounds state;

Fig. 8 is that the embodiment of the invention shows that adjusting button is adjusted to 108 pounds state.

The main element symbol description

10 action bars, 32 back pipeline section 11 drive divisions

33 protrude piece 12 socket pipe portions 34 tooth pick divisions

13 front linings, 35 lockholes, 14 back bushes

40 adjust assembly 15 confined space 41 adjusts button

20 holding rods, 411 perforation, 21 on-slip pipeline sections

412 inner rank parts, 22 bridle joint ring sections, 413 tooth pick divisions

221 engaging tooths, 414 engaging tooths, 222 locating slots

415 locating pieces, 223 locating slots, 42 elastomers

224 locating slots, 43 pads, 30 traces

Pipeline section 45 caps before 44 lock-connecting pieces 31

The specific embodiment

As Fig. 1 and shown in Figure 2, a preferred embodiment of torque spanner of the present invention comprises an action bars 10, a holding rod 20, a trace 30 and an adjustment assembly 40.

As Fig. 2 and shown in Figure 4, this action bars 10 has a drive division 11, a socket pipe portion 12 and is set in a front lining 13 and a back bush 14 in the hole of this socket pipe portion 12, forms a confined space 15 between this front lining 13 and this back bush 14.

As Fig. 2, Fig. 3 and shown in Figure 4, this holding rod 20 has the bridle joint ring section 22 that a hollow on-slip pipeline section 21 and that is sheathed on the socket pipe portion 12 of action bars 10 is located at these on-slip pipeline section 21 front ends.This bridle joint ring section 22 has a plurality of engaging tooths 221 and a plurality of locating slots 222,223,224 that are formed at inner ring surface at interval.As shown in Figure 3, these engaging tooth 221 shared scopes are to be distributed in the radius region of this inner ring surface in the present embodiment, and three locating slots 222,223,224 then are to be equally spaced in the other radius region of inner ring surface.

This trace 30 is set in this action bars 10 and these holding rod 20 inside, and has pipeline section before one 31, a back pipeline section 32, one in the tooth pick division 34 of this preceding pipeline section 31 with the front end of pipeline section 31 before afterwards the protrusion piece 33 and between the pipeline section 32 is formed at.Should preceding pipeline section 31 be to be set in the front lining 13 of this action bars 10, this back pipeline section 32 is that cover is through in the back bush 14 of this action bars 10, when trace 30 is moved in this adjustment button 41 and before and after producing during displacement, the protrusion piece 33 of this trace 30 is activities back and forth in the front lining 13 of this action bars 10 and the confined space 15 between the back bush 14.

This adjusts assembly 40, is engaged on the front end of this holding rod 20, and has an adjustment button 41, an elastomer 42, a pad 43, a lock-connecting piece 44 and a cap 45.

This adjustment button 41 has tooth pick division 413 and a plurality of engaging tooth 414 and a positioning block 415 that is formed at outer ring surface that a perforation 411, one inner rank part 412, is formed at these 411 stage casings of boring a hole.

This elastomer 42 is the leading sections that are set in this trace 30, and this lock-connecting piece 44 is locked in the lockhole 35 of these trace 30 front ends, adjusts on the button 41 so that these elastomer 42 locks are against.Wherein, an end of this elastomer 42 is to be connected on the inner rank part 412 of this adjustment button 41, and the other end of elastomer 42 is to be resisted against on the pad 43, but to constitute the elastic force of bullet support.

This cap 45 is covered on inner rank part 412 outsides of this adjustment button 41, with capping this lock-connecting piece 44 and elastomer 42, and obtains dustproof and decorative effect.

As Fig. 2 and shown in Figure 6, in original state, the locating piece 415 of this adjustment button 41 is that build-in is in the locating slot 222 of the bridle joint ring section 22 of this holding rod 20, and engaging tooth 414 perseverances of adjusting button 41 are protected and the engaging tooth 221 of this holding rod is the build-in state, at this moment, the torque value of torque spanner is 85 pounds a state.

As Fig. 5 and shown in Figure 7, when desiring to be adjusted to 103 pounds state, to adjust the direction of arrow stretching of button 41 earlier along Fig. 5, allow the engaging tooth 414 of adjusting button 41 break away from the engaging tooth 221 of these holding rods 20, at this moment, this elastomer 42 is between the inner rank part 412 and pad 43 that compressive state is connected to this holding rod 20; Then, again along the rotation direction of arrow of Fig. 1, after rotating this adjustment button 41, unclasp adjustment button 41 and make the position that returns back to Fig. 4, this torque spanner can rapid adjustment to 103 pound state, the locating piece 415 of this moment be build-in in locating slot shown in Figure 3 223 positions, and the engaging tooth 414 of adjusting button 41 also once more clip on the engaging tooth 221 of this holding rod.

As Fig. 5 and shown in Figure 8, when desiring to be adjusted to 108 pounds state, to adjust the direction of arrow stretching of button 41 earlier along Fig. 5, allow the engaging tooth 414 of adjusting button 41 break away from the engaging tooth 221 of these holding rods 20, at this moment, this elastomer 42 is between the inner rank part 412 and pad 43 that compressive state is connected to this holding rod 20; Then, again along the rotation direction of arrow of Fig. 1, after rotating this adjustment button 41, unclasp adjustment button 41 and make the position that returns back to Fig. 4, this torque spanner can be by the state of 103 pounds of status block rapid adjustment to 108 pound, the locating piece 415 of this moment be build-in in locating slot shown in Figure 3 224 positions, and the engaging tooth 414 of adjusting button 41 is also once more on the engaging tooth 221 of this holding rod of clip.

Conclude above-mentioned, the present invention adjusts the build-in of the locating piece 415 of button 41 respectively at each locating slot 222,223,224 of this holding rod 20 by this, be aided with easy stretching, spinning movement, fixedly poundage that can the torque spanner rapid adjustment is required, this uses for particular machines, tear open under the bigger situation of the suitable specification skip frame of torque value of lock machine spare, torque spanner by fixedly poundage of the present invention can be reached fast, this not only operates simple and easy quick, and can promote the work effect relatively.

What deserves to be mentioned is, in the present invention, 85 pounds, 103 pounds and 108 pounds of the poundage values of torque spanner, an embodiment who enumerates for this case only, the setting of its poundage can change arbitrarily according to aforementioned manner.

The above person of thought, it only is a preferred embodiment of the present invention, when not limiting scope of the invention process with this, promptly the simple equivalent of being done according to the present patent application claim and invention description content generally changes and modifies, and all still belongs in the scope that patent of the present invention contains.

Claims

1. a torque spanner includes action bars, holding rod, trace and adjusts assembly, it is characterized in that:

This action bars has a drive division and a socket pipe portion;

This holding rod has the bridle joint ring section that a hollow on-slip pipeline section and that is sheathed on the socket pipe portion of action bars is located at this on-slip pipeline section front end, and this bridle joint ring section is formed with a plurality of engaging tooths and a plurality of locating slot at interval in inner ring surface;

This trace is set in this action bars and this holding rod inside, and forms a tooth pick division in front end; And

This adjusts assembly, be engaged on the front end of this holding rod, and have one and adjust button, an elastomer and a lock-connecting piece, this adjustment button has the tooth pick division that a perforation, is formed at this perforation stage casing, a plurality of engaging tooths and a positioning block are formed at the outer ring surface of this adjustment button, this elastomer is the leading section that is set in this trace, and this lock-connecting piece is locked in this trace front end, adjusts on the button so that this elastomer lock is against.

2. torque spanner as claimed in claim 1 is characterized in that: this adjustment assembly has more a pad, and this elastomeric end is to be connected on the inner rank part of this adjustment button, and the elastomeric other end is to be resisted against on the pad, but constitutes the elastic force of bullet support.

3. torque spanner as claimed in claim 2 is characterized in that: this adjustment assembly has more a cap, and this cap is covered on the inner rank part outside of this adjustment button.

4. torque spanner as claimed in claim 1, it is characterized in that: this action bars has more a front lining and a back bush that is set in this socket pipe portion, this trace has more pipeline section before, the protrusion piece of a back pipeline section and between this preceding pipeline section and back pipeline section, should preceding pipeline section be that cover is through in the front lining of this action bars, this back pipeline section is that cover is through in the back bush of this action bars, when trace moved produce in this adjustment button before and after during displacement, the protrusion piece of this trace is movable back and forth in the front lining of this action bars and the confined space between the back bush.