CN101879711B - Torsion adjusting and locking mechanism of torsion tool - Google Patents

Torsion adjusting and locking mechanism of torsion tool Download PDF

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Publication number
CN101879711B
CN101879711B CN2009101117276A CN200910111727A CN101879711B CN 101879711 B CN101879711 B CN 101879711B CN 2009101117276 A CN2009101117276 A CN 2009101117276A CN 200910111727 A CN200910111727 A CN 200910111727A CN 101879711 B CN101879711 B CN 101879711B
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torsion
rod
axostylus axostyle
rotation set
operation body
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CN101879711A (en
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陈宣任
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Shixing Industrial Co.,Ltd.
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SHIXING INDUSTRY Co Ltd
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Abstract

The invention discloses a torsion adjusting and locking mechanism of a torsion tool, comprising an operation rod body, a shaft lever and a turning sleeve, wherein the end part of the operation rod body is provided with a tool head for operating a working object; the operation rod body is internally provided with a strain gauge for detecting torsion; the operation rod body is also provided with a strain spring for adjusting the torsion behind the strain gauge; the tail end of the operation rod body is provided with a shaft groove the periphery of which is provided with a series of positioning teeth sockets; the shaft lever is pivoted in the center of the operation rod body and is provided with an adjustment block capable of propelling the strain spring to compress; one section of the shaft lever penetrating in the shaft groove of the operation rod body is provided with a grinding tooth section; and the turning sleeve is provided with a shaft part pivoted on the shaft groove, is provided with at least one positioning tooth block capable of being selectively embedded and clamped in different positioning teeth sockets of a grip shaft groove at the periphery of the shaft part, and is provided with a grinding tooth hole corresponding to the grinding tooth section of the shaft lever. The mechanism can accurately adjust to the required torsion value and lock rapidly, thus enhancing convenience for operating the torsion tool.

Description

The torsion of dynamic torque tool is regulated and locking mechanism
Technical field
The invention belongs to a kind of adjusting torsion technical field of hand-held tool, particularly, refer to a kind of the adjustment accurately and adjusting of the torsion of locking rapidly and locking mechanism, regulate the operation ease of torque value to promote dynamic torque tool.
Background technology
Torque spanner is the strain gauge that in the operation body of rod, is provided with a fastening means head; Utilize the effect of this strain gauge, can detect the outputting torsion of this spanner immediately, to avoid improper because of operating the application of force; And cause spiral shell spare locked or collapse tooth, so can obtain suitable sealed effect.Existing torque spanner is in order to increase the convenience of its use; Further the operation body of rod is provided with torsion setting structure, utilizes torsion setting structure start one to stay on the strain spring at strain gauge rear, in order to when torsion reaches setting value; Can produce cautions such as the sound, note to remind the user.
And existing torsion setting structure; Normally operation be provided with in the body of rod one pass strain spring screw rod; And spiral shell is provided with the accent wheel of a top to strain spring on the screw rod, transfers the evolution of wheel to change the compression degree of strain spring thereby see through, and then reaches the purpose that torsion is set in change.Do not have the section design but it belongs to, all note its scale during therefore each adjustment, not only time-consuming, and adjustment set might not be accurate, simultaneously more maybe be in operating process because of touching the phenomenon that causes the setting value displacement accidentally.
In fact, existing spanner is when carrying out screw lock work, and its torsion that is suitable for mostly is fixed on several particular values, and aforementioned existing structure does not also meet the demand of practical operation, remains further improvement.
In view of this; This case inventor deeply inquires into to the problem that aforementioned existing torque spanner is faced when adjusting torsion; And, actively seek solution according to being engaged in research and development and the experience of making for many years, through the research and experiment of constantly making great efforts; Finally successfully invent out a kind of torsion of dynamic torque tool and regulate and locking mechanism, to overcome inconvenience and the puzzlement that existing structure can't accurately be adjusted to required torque value.
Summary of the invention
The object of the present invention is to provide a kind of torsion of dynamic torque tool to regulate and locking mechanism, it can accurately adjust to required torque value and locking rapidly, to promote the convenience of operation torsion instrument.
In order to reach above-mentioned purpose, solution of the present invention is:
A kind of torsion of dynamic torque tool is regulated and locking mechanism, comprises the operation body of rod, an axostylus axostyle and a rotation set; The end of the operation body of rod is provided with the tool heads of a confession operative employee crop; And be provided with the strain gauge that a confession detects torsion in the operation body of rod; This operation body of rod also is provided with the strain spring of an adjustment torsion at the strain gauge rear; And the end of the operation body of rod is formed with an axial trough, and the axial trough periphery is formed with series location teeth groove; Axostylus axostyle is hubbed at the center of the operation body of rod, this axostylus axostyle be provided with one can promote strain spring compression the adjustment piece, and a section of penetrating in the axial trough of the operation body of rod of axostylus axostyle is formed with the grinding tooth section; Rotation set have one be hubbed at aforementioned axial trough axial region, this rotation set is formed with the positioning tooth piece that at least one alternative is embedded in the difference location teeth groove of holding the cover axial trough at the axial region periphery, moreover rotation set has the grinding tooth hole of a corresponding aforementioned axis bar grinding tooth section.
Have a long chute on the aforesaid operations body of rod, and axostylus axostyle has the thread segment that a correspondence penetrates strain spring, said adjustment piece spiral shell is located on the thread segment, and the adjustment piece utilizes one can limit the adjustment piece and be slidedly arranged in the long chute in company with the limited post of axostylus axostyle rotation.
The aforesaid operations body of rod utilizes the axle sleeve axostylus axostyle that is pivoted, and axostylus axostyle is formed with the backstop section in big footpath at the axle sleeve front end, axle sleeve and backstop is intersegmental also be provided with one prevent any slippage of axostylus axostyle liner.
The terminal periphery of the aforesaid operations body of rod is formed with index line one, and the rotation set correspondence is held the digital calibration that the edge of cover is formed with the recessed different location of serial respective shaft teeth groove.
Aforesaid operations body of rod rear end is arranged with one and supplies the cover of holding grip, and axial trough, location teeth groove and index line are to be formed to hold to put.
The end utilization locking bolt of above-mentioned axostylus axostyle is locked the block of the spacing purposes of a tool of pulling.
The block of above-mentioned axostylus axostyle ccontaining one is arranged in the tank of rotation set rear end, and this rotation set is provided with a chock at the tank end plug.
Above-mentioned block assembling one possesses elasticity and cooperates the rotation set frame to enclose the formed internal ring wall of wall of tank and the resist component that an annular projection can produce restriction to rotation set.
Above-mentioned resist component comprise one be installed in the block holding tank an elastic component and a touch part form, this touch part resists elastic component and touches mutually with wall that the rotation set frame encloses tank.
After adopting said structure; The present invention is through the axostylus axostyle that is pivoted of the strain spring rear of strain gauge at the operation body of rod; And on axostylus axostyle spiral shell establish one prop up strain spring the adjustment piece; And the rear end of the operation body of rod is formed with one and has the axial trough that plural number is located teeth groove, and each locatees the corresponding different torsion specification of teeth groove; Be pivoted with a rotation set in the axial trough, the rotation set periphery has the positioning tooth piece that alternative is embedded in the location teeth groove; The center of rotation set also has the grinding tooth hole, and the axostylus axostyle back segment is formed with the grinding tooth section of corresponding engagement; See through aforesaid design; But let the rotation set driven in synchronism axostylus axostyle start adjustment piece of dynamic torque tool push against strain spring, and can utilize positioning tooth piece selectivity to be embedded in the different location teeth groove, and reach the purpose of adjustment torsion specification; And have and adjust effect rapidly, promote the convenience that uses.
Description of drawings
Fig. 1 is the three-dimensional appearance sketch map of torque spanner one preferred embodiment of the present invention;
Fig. 2 is the local side-looking generalized section of Fig. 1 torque spanner, explains that torsion is regulated and the main composition and the relativeness of locking mechanism;
Fig. 2 A is the partial enlarged drawing of Fig. 2 about rotation set, the corresponding relation of performance rotation set inside and resist component;
Fig. 3 is the action sketch map of adjusting of Fig. 2 torsion and locking mechanism, explains that rotation set draws the state of start outward;
Fig. 3 A is the partial enlarged drawing of Fig. 3 about rotation set, the corresponding relation of performance rotation set inside and resist component;
Fig. 4 is the profile of looking closely about the rotation set of torsion adjusting and locking mechanism, and the form of positioning tooth piece and location teeth groove engagement is described;
Fig. 5 is the profile of looking closely that rotates rotation set shown in Fig. 4, and the form of positioning tooth piece and another location teeth groove engagement is described;
Fig. 6 is the torsion adjusting of torsion screwdriver among the present invention and the schematic appearance of another embodiment of locking mechanism.
The main element symbol description
100 torque spanneres, 200 torsion screwdrivers, the 10 operation bodies of rod
11 tool heads, 12 long chutes 15 are held cover
16 index lines, 17 axial troughs, 18 location teeth groove
20 strain springs, 30 axostylus axostyles, 31 thread segments
32 axle sleeves, 33 adjustment pieces, 330 limited posts
34 backstop sections, 340 liners, 35 grinding tooth sections
36 blocks, 37 locking bolts, 40 rotation sets
41 axial regions, 42 positioning tooth pieces, 43 digital calibrations
44 tanks, 45 grinding tooth holes, 46 chocks
50 resist components, 51 internal ring walls, 52 annular projection
53 holding tanks, 54 elastic components, 55 touch parts
10 ' operation the body of rod 11 ' tool heads 15 ' hold cover
16 ' index line, 40 ' rotation set, 43 ' digital calibration
46 ' chock
The specific embodiment
The present invention is that a kind of torsion of dynamic torque tool is regulated and locking mechanism; Shown in the torsion that shows in the accompanying drawing regulate with the specific embodiment of locking mechanism and structure thereof, element in; All about preceding and back, left and the right side, top and bottom, top and bottom and level and vertical reference; Only be used for conveniently describing, and unrestricted the present invention, also non-with its structure or element limits in any position or direction in space.Specified size in accompanying drawing and the specification can be in not leaving claim of the present invention, design according to a particular embodiment of the invention and demand and change.
The present invention is that a kind of torsion that is implemented on dynamic torque tool is regulated and locking mechanism.This dynamic torque tool can be a torque spanner 100 of being drawn among Fig. 1 and Fig. 2, its be respectively equipped with at the two ends of an operation body of rod 10 that a tool heads 11 and supplies to grip hold cover 15; Be provided with the strain gauge (not shown) of a tool strain spring 20 in this operation body of rod 10, supply to detect the operation torsion of tool heads 11; The polygon shaft of tool heads 11 belows is socketed with a workpiece or a sleeve, utilizes the toggle selection and the Control Shaft of top to be idling conditions along suitable, counterclockwise, and drives workpiece or sleeve start with other direction.
The structure of this torque spanner and operating principle, identical with existing spanner, and non-technical characterictic of the present invention, so repeat no more.
Regulate and locking mechanism about torsion, then please disclose referring to Fig. 1, Fig. 2 and Fig. 4 simultaneously.This operation body of rod 10 has a long chute 12 in correspondence is held cover 15 coating scope; And the terminal periphery of holding cover 15 is formed with index line 16 one; Cover 15 ends of holding of operating the body of rod 10 again also are formed with an axial trough 17, and the center of the operation body of rod 10 utilizes axle sleeve 32 to be pivoted with an axostylus axostyle 30, and axostylus axostyle 30 has the thread segment 31 that a correspondence penetrates strain spring 20; And on the thread segment 31 spiral shell be provided with one prop up strain spring 20 adjustment piece 33; This adjustment piece 33 utilizes a limited post 330 to be slidedly arranged in the long chute 12 of the operation body of rod 10, with restriction adjustment piece 33 in company with axostylus axostyle 30 rotations, let adjust piece 33 only can forward and backward displacement; Axostylus axostyle 30 also is formed with the backstop section 34 in big footpath at the front end of axle sleeve 32, to prevent axostylus axostyle 30 any slippages; And be provided with a liner 340 between axle sleeve 32 and the backstop section 34; Increase the smooth and easy of its rotation; Moreover axostylus axostyle 30 penetrates one section that the operation body of rod 10 holds in cover 15 the axial trough 17 and is formed with grinding tooth section 35, and axostylus axostyle 30 terminal and utilize the locking bolt 37 locks block 36 of having pulled, and supplies spacing usefulness.
In addition; The rotation set 40 that is pivoted with the corresponding axial region 41 of a tool in 15 axial troughs 17 is overlapped in holding of the aforementioned operation body of rod 10; And axial region 41 peripheries of rotation set 40 are formed with a positioning tooth piece 42, and these positioning tooth piece 42 alternatives are embedded in the difference location teeth groove 18 (like Fig. 3, Fig. 4 and shown in Figure 5) of holding cover 15 axial troughs 17.
Get back to Fig. 1~Fig. 3, the edge that rotation set 40 correspondences are held cover 15 is formed with serial corresponding axial trough 17 different digital calibrations 43 of locating teeth groove 18, supplies the user to distinguish and looks its torsion setting.Moreover; The rear end of rotation set 40 has the tank 44 that supplies ccontaining aforementioned axostylus axostyle 30 blocks 36; These block 36 assemblings one possess flexible resist component 50, and the formed internal ring wall 51 of wall and the annular projection 52 that cooperate rotation set 40 frames to enclose tank 44 produce restriction to rotation set 40.This rotation set 40 has the grinding tooth hole 45 of corresponding aforementioned axis bar 30 grinding tooth sections 35, makes rotation set 40 keep the engagement situation at any time with axostylus axostyle 30.In addition, rotation set 40 is established a chock 46 at tank 44 opening-like end plugs, to protect assembly and to promote attractive in appearance.
Consult Fig. 2 A, resist component 50 by one be installed in block 36 holding tanks 53 elastic component 54 and 55 of touch parts form, as these touch part 55 similar cylinders and cover the side that elastic component 54 exposes holding tank 53.Because the diameter of touch part 55 is less than the width of holding tank 53, thereby rotation set 40 frames of can conflicting enclose the wall of tank 44 and go deep in the groove.
Through aforementioned cooperation, group constitute an adjustment accurately and fast the torsion of dynamic torque tool regulate and locking mechanism.
See through aforesaid structural design and explanation; The present invention is when practice; Then such as Fig. 2 and Fig. 4 demonstration, rotation set 40 is that the axial region 41 push operation bodies of rod 10 are held in cover 15 the axial trough 17 under normal condition, and the positioning tooth piece 42 of rotation set 40 is embedded in the specific location teeth groove 18 (as shown in Figure 4); The digital calibration 43 that makes rotation set 40 supplies the user to discern its torque settings corresponding to the index line 16 of holding cover 15.Resist component 50 this moment shown in Fig. 2 A as, an end props up the elastic component 54 that block 36 is trapped among holding tank 53 walls, can provide touch part 55 a little elastic force, makes its appearance touch rotation set 40 frames and is trapped among on the wall of tank 44.Especially, the appearance of this touch part 55 is touched a side of annular projection 52.
When needs are adjusted, then further cooperate referring to Fig. 3 and shown in Figure 5, rotation set 40 is pulled out backward; Make the positioning tooth piece 42 of rotation set 40 axial regions 41 break away from the location teeth groove 18 of holding cover 15 axial troughs 17, and since the grinding tooth hole 45 of rotation set 40 still with grinding tooth section 35 engagements of axostylus axostyle 30, so when the user rotates rotation set 40; Still can drive axostylus axostyle 30 rotations, and make adjustment piece 33 displacements on the axostylus axostyle 30, and then promote strain spring 20 its decrements of change; Reach the purpose of adjustment torsion; And when being adjusted to required specific torsion, only need the axial region 41 of rotation set 40 is pressed in the axial trough 17 of holding cover 15 once more, the positioning tooth piece 42 of axial region 41 is embedded in the pairing location of this setting value teeth groove 18; Can reach the purpose of regulating torsion directly, rapidly and exactly; And utilize the inlay card relation of positioning tooth piece 42 with the location teeth groove 18 of holding cover 15 of rotation set 40, can guarantee that more rotation set 40 unlikely any rotation in operation changes torque value, significantly promotes the convenience that uses.Resist component 50 this moment shown in Fig. 3 A as; Possessing flexible touch part 55 can travel longitudinally along the gradient of annular projection 52; Cross the another side of annular projection 52 from the original place, up to internal ring wall 51 because outside draw rotation set 40 action and till running into touch part 55.This touch part 55 cooperates rotation set 40 that internal ring walls 51 externally draw as the last restriction of distance, and this rotation set 40 is after regulating torque value, can be pressed into once more and makes elasticity touch part 55 cross annular projection 52 to return the original place, and the whole operation process is very quick and easy.
According to above-mentioned explanation, can also derive the torsion adjusting of another dynamic torque tool and the embodiment of locking mechanism.As shown in Figure 6; This dynamic torque tool is a torsion screwdriver 200; Be an operation body of rod 10 ' two ends be respectively equipped with a tool heads 11 ' and one supply to grip hold cover 15 '; Cover 15 the terminal periphery that is in one's hands form one index line 16 ', this index line 16 ' corresponding rotation set 40 ' number of digital scale 43 ' one of.In addition, the plug of this rotation set 40 ' endways establish a chock 46 ', with the protection assembly and promote attractive in appearance.As for the tool heads 11 of torsion screwdriver 200 ', then be polygonal axle, in order to socket workpiece or sleeve.
Previous embodiment is merely illustration of the present invention, can not limit protection scope of the present invention with this, every technological thought that proposes according to the present invention, and any change of on the technical scheme basis, being done all falls within the protection domain of the present invention.

Claims (6)

1. the torsion of a dynamic torque tool is regulated and locking mechanism, it is characterized in that: comprise the operation body of rod, an axostylus axostyle and a rotation set;
The end of the operation body of rod is provided with the tool heads of a confession operative employee crop; And be provided with the strain gauge that a confession detects torsion in the operation body of rod; This operation body of rod also is provided with the strain spring of an adjustment torsion at the strain gauge rear; And the end of the operation body of rod is formed with an axial trough, and the axial trough periphery is formed with series location teeth groove;
Axostylus axostyle is hubbed at the center of the operation body of rod; This axostylus axostyle is provided with one can promote the adjustment piece that strain spring compresses; And axostylus axostyle penetrate the operation body of rod axial trough in one section be formed with the grinding tooth section; The end utilization locking bolt of said axostylus axostyle is locked the block of the spacing purposes of a tool of pulling; The block of said axostylus axostyle ccontaining one is arranged in the tank of rotation set rear end, and this rotation set is provided with a chock at the tank end plug, and said block assembling one possesses elasticity and cooperates the rotation set frame to enclose the formed internal ring wall of wall of tank and the resist component that an annular projection can produce restriction to rotation set;
Rotation set have one be hubbed at aforementioned axial trough axial region, this rotation set is formed with the positioning tooth piece that at least one alternative is embedded in the difference location teeth groove of holding the cover axial trough at the axial region periphery, moreover rotation set has the grinding tooth hole of a corresponding aforementioned axis bar grinding tooth section.
2. the torsion of dynamic torque tool as claimed in claim 1 is regulated and locking mechanism; It is characterized in that: have a long chute on the said operation body of rod; And axostylus axostyle has the thread segment that a correspondence penetrates strain spring; Said adjustment piece spiral shell is located on the thread segment, and the adjustment piece utilizes one can limit the adjustment piece and be slidedly arranged in the long chute in company with the limited post of axostylus axostyle rotation.
3. according to claim 1 or claim 2 the torsion of dynamic torque tool is regulated and locking mechanism; It is characterized in that: the said operation body of rod utilizes the axle sleeve axostylus axostyle that is pivoted; And axostylus axostyle is formed with the backstop section in big footpath at the axle sleeve front end, axle sleeve and backstop is intersegmental also be provided with one prevent any slippage of axostylus axostyle liner.
4. according to claim 1 or claim 2 the torsion of dynamic torque tool is regulated and locking mechanism; It is characterized in that: the terminal periphery of the said operation body of rod is formed with index line one, and the rotation set correspondence is held the digital calibration that the edge of cover is formed with the different location of serial corresponding axial trough teeth groove.
5. according to claim 1 or claim 2 the torsion of dynamic torque tool is regulated and locking mechanism, it is characterized in that: said operation body of rod rear end is arranged with one and supplies the cover of holding that grips, and axial trough, location teeth groove and index line are to be formed to hold to put.
6. the torsion of dynamic torque tool as claimed in claim 1 is regulated and locking mechanism; It is characterized in that: said resist component comprise one be installed in the block holding tank an elastic component and a touch part form, this touch part resists elastic component and touches mutually with wall that the rotation set frame encloses tank.
CN2009101117276A 2009-05-04 2009-05-04 Torsion adjusting and locking mechanism of torsion tool Active CN101879711B (en)

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Application Number Priority Date Filing Date Title
CN2009101117276A CN101879711B (en) 2009-05-04 2009-05-04 Torsion adjusting and locking mechanism of torsion tool

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Application Number Priority Date Filing Date Title
CN2009101117276A CN101879711B (en) 2009-05-04 2009-05-04 Torsion adjusting and locking mechanism of torsion tool

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CN101879711B true CN101879711B (en) 2012-01-25

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102581805B (en) * 2011-01-10 2014-05-21 北京中电科电子装备有限公司 Torque wrench
DE202011050280U1 (en) * 2011-05-30 2011-07-25 Hazet-Werk Hermann Zerver Gmbh & Co. Kg torque tool
US9156148B2 (en) * 2013-05-10 2015-10-13 Snap-On Incorporated Preset electronic torque tool
CN105459004B (en) * 2014-09-11 2017-07-04 瞬丰实业有限公司 Torque adjusting device and a kind of instrument with this torque adjusting device
JP6571032B2 (en) * 2016-03-16 2019-09-04 アルプスアルパイン株式会社 Multi-directional input device
TWI623391B (en) * 2017-07-19 2018-05-11 Torque adjusting device
CN110774209B (en) * 2018-07-31 2021-04-13 陈怡富 Torque force adjusting and locking structure of torque wrench
CN111489907B (en) * 2019-01-25 2022-06-07 阿尔卑斯(中国)有限公司 Deflector rod switch
TWI741642B (en) * 2020-06-09 2021-10-01 黃鴻文 Torque wrench
TWI727829B (en) * 2020-06-16 2021-05-11 瞬豐實業有限公司 Warning device for a torque adjustor of a torque wrench

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US4485703A (en) * 1983-05-20 1984-12-04 Consolidated Devices, Inc. Torque wrench
US5546816A (en) * 1992-08-31 1996-08-20 Sandvick Ab Lockable spring tightening device
US6334377B1 (en) * 2000-11-17 2002-01-01 Izu Min Wu Adjustable torque wrench having a lock device
US6945144B1 (en) * 2003-02-17 2005-09-20 Snap-On Incorporated Torque wrench with finite plurality of selectable torque values
DE60307377T2 (en) * 2002-06-28 2007-08-02 Facom Torque tool, in particular key, with snap means for adjusting the torque
CN101116962A (en) * 2007-08-23 2008-02-06 王训恒 Torque screwdriver
CN101347931A (en) * 2008-06-24 2009-01-21 吴日淳 Torque wrench

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US4485703A (en) * 1983-05-20 1984-12-04 Consolidated Devices, Inc. Torque wrench
US5546816A (en) * 1992-08-31 1996-08-20 Sandvick Ab Lockable spring tightening device
US6334377B1 (en) * 2000-11-17 2002-01-01 Izu Min Wu Adjustable torque wrench having a lock device
DE60307377T2 (en) * 2002-06-28 2007-08-02 Facom Torque tool, in particular key, with snap means for adjusting the torque
US6945144B1 (en) * 2003-02-17 2005-09-20 Snap-On Incorporated Torque wrench with finite plurality of selectable torque values
CN101116962A (en) * 2007-08-23 2008-02-06 王训恒 Torque screwdriver
CN101347931A (en) * 2008-06-24 2009-01-21 吴日淳 Torque wrench

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