CN105459004B - Torque adjusting device and a kind of instrument with this torque adjusting device - Google Patents
Torque adjusting device and a kind of instrument with this torque adjusting device Download PDFInfo
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- CN105459004B CN105459004B CN201410459889.XA CN201410459889A CN105459004B CN 105459004 B CN105459004 B CN 105459004B CN 201410459889 A CN201410459889 A CN 201410459889A CN 105459004 B CN105459004 B CN 105459004B
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- main body
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- action bars
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- adjusting device
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Abstract
The present invention provides a kind of torque adjusting device and a kind of instrument with this torque adjusting device.The torque adjusting device includes a sleeve, a main body, an action bars and a clip unit.Sleeve has multiple internal tooths, on these internal tooth circular row sleeve linings.Main body locally inserts sleeve, and main body has a convex portion and at least a recess, recess be absorbed in main surface to internal tooth at, convex portion exposes to sleeve, and its center forms a straight hole, and straight hole is communicated with recess.Action bars locally inserts the straight hole of convex portion, action bars pivot joint convex portion, and a receiving portion is being formed at recess, is used to accommodate described clip unit.When action bars moves on to a restriction site with respect to main body, the corresponding internal tooth of clip unit mesh sleeve, so that main body must not relative sleeve rotation.When action bars moves on to a free position with respect to main body, away from the internal tooth of sleeve, main body relative sleeve freely rotates clip unit, it is not necessary to the use habit such as pull-out and press-in of use early stage, just can easily adjust torque value.
Description
Technical field
The present invention relates to a kind of moment of torsion adjustment technology of instrument.
Background technology
Known instrument, such as torque wrench, torque screwdriver.The torque value of some instruments, generally by a torque adjusting device
Control.The appropriate torque value of selection, can drive a fastener (such as bolt or nut) to turn in the same direction in certain scope with instrument
Dynamic, execution is unscrewed or locks operation.If exceeding preset range, torque adjusting device meeting escape, so that instrument cannot be ordered about tightly
Firmware is rotated further, it is to avoid causes to collapse the damage consequence of tooth, causes the problems such as dismantling invalid.
Traditional torque adjusting device, species is various.Certain torque adjusting device is made up of a knob with a control ring, rotation
Button outer wall circular row one encloses tooth bar, and control ring inwall also has a circle tooth bar, and these tooth bar length directions are substantially put down with control ring axle center
OK, being engaged with each other and limiting knob to rotate.When drawing outside knob stress, after departing from the engagement range of tooth bar, could rotationally
The torque value size of adjustment instrument.Knob is pressed into control ring once again, torque value is arbitrarily changed.
Knob installs a bead, and bead is by an elastic acting force toward top outside knob.During knob is pressed into, control ring compacting
Bead, certain resistance is formed to knob.During being drawn outside knob, the limitation of bead ring out of hand, easily outside ejection knob,
Even vanish from sight, the regulation influence on moment of torsion is very huge.
In order to solve this problem, inventor's application obtains TaiWan, China the M371616th, and " torque of wrenches value is adjusted
Mechanism improves " patent right, it is on record to check.
But, inventor is not therefore self-satisfied, adheres to excelsior spirit, continuing in instrument relative configurations of joining hands
Research and development, invent a kind of new torque adjusting device finally.
The content of the invention
Present invention is primarily aimed at:A kind of clamping structure is provided, old torque adjusting device is replaced in the new modes, change
Become the use habit for pulling out and being pressed into, allow moment of torsion to adjust operation more light and convenient.
Because of reaching for above-mentioned purpose, the present invention provides a kind of torque adjusting device, it is characterised in that including:
One sleeve, it has multiple internal tooths, on the plurality of internal tooth circular row sleeve lining;
One main body, its part inserts sleeve, and the main body has a convex portion and at least a recess, and recess is absorbed in main surface to internal tooth
Place, convex portion exposes to sleeve, and its center forms a straight hole, and straight hole is communicated with recess;
One action bars, its part inserts the straight hole of convex portion, and action bars inserts convex portion straight hole, and it faces to form an appearance at recess
Receive portion;
One clip unit, it includes an at least clipping block, at least a shell and an elastic component, and the clipping block inserts the recessed of main body
Portion and pivot joint main body, clipping block in face of sleeve internal tooth at formed an at least external tooth, the shell turnover action bars receiving portion and can
The end of elastic component is covered, the elastic component inserts the receiving portion of action bars, promote shell to touch the corresponding position of clipping block;
When action bars moves on to a restriction site with respect to main body, clipping block is promoted by shell, makes external tooth mesh sleeve corresponding
Internal tooth, so that main body must not relative sleeve rotation;
When action bars moves on to a free position with respect to main body, clipping block is promoted by shell, makes external tooth away from the internal tooth of sleeve,
Main body relative sleeve is freely rotated.
In described torque adjusting device, the action bars is pivoted together with convex portion by one, it is allowed to which action bars is in master
The straight hole of body swings back and forth.
In described torque adjusting device, the convex portion wall forms two long and narrow holes, and each long and narrow hole accommodates one and swells in behaviour
Make the protruded stigma of bar, protruded stigma volume is less than long and narrow hole, it is allowed to which action bars is moved back and forth in the straight hole of main body.
In described torque adjusting device, the main body has a through hole, and through hole is located at recess and straight hole intersection, to action bars
Related clip unit is synchronized with the movement the influence that do not produce.
To achieve the above object, the present invention also provides a kind of instrument, and it includes an operating head, a handle, a torque structure
With an above-mentioned torque adjusting device;
The torque structure includes:One handle, an arm, a drive link, a driven member, a compression spring and a wheel seat, the handle with
Handle be connected, its inner hollow, be installed in handle for drive link and can spinning motion;The arm is designed to one with operating head,
Arm inserts handle, and the two maintains pivot joint relation;The driven member inserts handle, and it maintains the relation that is spirally connected with drive link, can be past with respect to handle
Multiple motion;Compression spring inserts handle, and its one end offsets with driven member, and the other end withstands wheel seat, supports that wheel seat touches arm and gos deep into handle
Position;
In described torque adjusting device, sleeve is inserted handle and is combined together with handle, with main body connect drive link and
Can rotating Vortex;
When action bars moves on to restriction site with respect to main body, handle remains stationary as state together with handle and sleeve, in clipping block
Under conditions of mesh sleeve, main body limitation drive link must not order about driven member displacement;
When action bars moves on to free position with respect to main body, clipping block is no longer opposed by sleeve, so that driven member is by main body
Drive and relative handle shift reciprocately.
In described instrument, also including a knob, knob has cabin in a water jacket and, and water jacket is with interior freight space in knob two
End, water jacket is communicated with each other with interior cabin by a centre bore for being formed at knob;
A flange is formed around the main body, flange is inserted interior cabin and is combined together with knob, the convex portion of main body is by rotation
The centre bore of button comes water jacket.
In described instrument, also including a trimming scale ring for being located at handle, trimming scale ring outer circumference surface forms multiple
It is digital with some external tooths, the internal tooth that some external tooths and a row are formed at cabin in knob maintains meshing relation.
In described instrument, the torque adjusting device also has a switch, and switch is connected with action bars, can be in the outer of knob
Groove start.
In described instrument, the switch is button or pushes away torsion.
In described instrument, main body has a through hole, and through hole is located at recess and straight hole intersection, to the related shell synchronization of action bars
Motion does not produce influence.
In this way, being coupled a button in action bars, just like beat as seesaw, control operation bar swings back and forth button, obtains
The adjustment function of moment of torsion.Or, action bars connects a push button, and push button slidably reciprocates, and can equally determine that action bars adjusts moment of torsion
Value.The pattern for either swinging or sliding, all may replace the use habits such as old pull-out, press-in, and allowing moment of torsion to adjust becomes more
It is easily and convenient.
Then, related embodiment is described in detail based on schema, illustrates technology, means and the effect for using, it is believed that in the present invention
State purpose, construction and feature, when can by one deeply and specifically understand.
Brief description of the drawings
Fig. 1 is the combination stereogram of the preferred embodiment of inventive article one;
Fig. 2 is the assembled sectional view of Fig. 1 instruments;
Fig. 3 is partial enlarged drawings of the Fig. 2 on torque adjusting device;
Fig. 4 is the exploded perspective view of torque adjusting device;
Fig. 5 is the sectional view of sleeve;
Fig. 6, Fig. 7 are the sectional view and side view of main body;
Fig. 8 is the sectional view of knob;
Fig. 9 is the stereogram of trimming scale ring;
Figure 10, Figure 12 are the continuous action schematic diagrames of torque adjusting device;
Figure 11, Figure 13 are the schematic internal views after Figure 10, Figure 12 torque adjusting device are cut open;
Figure 14, Figure 15 are the continuous action schematic diagrames of torque adjusting device second embodiment;
Figure 16 is the plan cut open along Figure 14 line A-As.
Description of reference numerals:Spanner 100;Torque adjusting device 101;Torque structure 102;Operating head 10;Socket part 11;Handle
20;Eyeglass 21,29;Trimming scale ring 22;Numeral 24;External tooth 26;Scale index part 28;Arm 30;Wheel seat 32;Driven member 35;Pass
Lever 34;Compression spring 36;Bearing 38;Handle 40;Endoporus 41;Window 42,49;Enlarged diameter section 43;Sleeve 44;Reduced diameter section
45;Internal tooth 46;Screw 47;Open-work 48;Main body 50;Groove 51;Convex portion 52;Recess 53;Flange 54;Through hole 55;Screw 56;With reference to
Groove 57;Straight hole 58;Pivot hole 59;Action bars 60;Pivot hole 61;Receiving portion 62;Shell 63;Elastic component 64;Clipping block 65;External tooth 66;Pivot
Axle 67;Hinged arm 68;Knob 70;Water jacket 71;Button 72;Combined hole 73;Screw 74;Interior cabin 75;Internal tooth 76;Centre bore 78;Push button
80;Holding tank 82.
Specific embodiment
Fig. 1, Fig. 2 are referred to, the preferred embodiment of instrument one is illustrated.In the present embodiment, instrument is spanner 100, including a behaviour
Make first 10, one handle 40, a torque adjusting device 101 and a torque structure 102.In some embodiments, instrument refers to torsion type
Screwdriver.
There is a socket part 11 below operating head 10, with direct or indirect mode combination fastener, such as bolt or nut.
The handle 40 has two windows 42,49, and each window 42,49 inlays the eyeglass 21,29 that a shape is substantially consistent, and is used to
Article below perspective eyeglass 21,29.The scale of one of them eyeglass 21 planning Liang Zhongbu commensurates, coordinates one below eyeglass 21
Mobile scale index part 28, beneficial to the interpretation of torque value.Scale unit referred to herein, such as English unit lb-ft (pound-Foot)
With metric unit N-m (Newton meter (n.m.)).Certainly, kg-m (kg-m) system of units, also in allowed limits.
The active force of spanner 100, the socket part 11 of operating head 10 is transferred to by torque structure 102.Wherein, torque structure
102 are made up of a handle 20, an arm 30, a drive link 34, a driven member 35, a compression spring 36 and a wheel seat 32, hereby with regard to each unit
Part is summarized as follows:
The handle 20 is connected with handle 40, its inner hollow and is fixed with a bearing 38, is pacified by bearing 38 for drive link 34
Loaded on can spinning motion in handle 20.The arm 30 is designed to one with operating head 10, and handle 20 is inserted with driven member 35, the two dimension
Hold pivot joint relation.The driven member 35 is inserted in handle 20, and driven member 35 is not only bolted in drive link 34, also with foregoing scale index
Part 28 is connected, and under conditions of not limited by handle 20, driven member 35 is moved back and forth with respect to handle 20, and related scale index part 28 is synchronous
Start.The compression spring 36 is inserted in handle 20, and its one end offsets with driven member 35, and the other end withstands wheel seat 32, supports wheel seat 32
Touch the position that arm 30 gos deep into handle 20.
Specific configuration on arm 30, wheel seat 32 and compression spring 36, even, connection relation to each other and efficiency,
It is roughly the same with the Patent Case such as TaiWan, China the I300740th, the U.S. the 7,182,006th.These Patent Cases belong to this case
Same inventor, therefore it will not go into details.
Described torque adjusting device 101 is installed in handle 40, its be located at the rear of torque structure 102 and with a knob 70
It is connected, the torque value of spanner 100 can be adjusted.In Fig. 3, Fig. 4, torque adjusting device 101 by a sleeve 44, a main body 50,
One action bars 60 and a clip unit are constituted, the detail structure and connection relation of each element, after being specified in.
Fig. 5 is seen first, and the center of sleeve 44 is an endoporus 41, and endoporus 41 distinguishes large and small two diameter segment 43,45 according to diameter.
One screw 47 runs through the wall of enlarged diameter section 43, and in wall one open-work 48 of formation of reduced diameter section 43.In addition, in the endoporus 41 of sleeve 44
Wall circular row multiple internal tooths 46, these internal tooths 46 adjoin with the opening of sleeve 44.
As shown in Figure 6, Figure 7, the one end of main body 50 forms a groove 51, the convex portion 52 of other end deepening one.In main body 50 weeks
Enclose and be absorbed in two recesses 53, these recesses 53 are open conversely, being swelled in the same side of flange 54 of main body 50 close to one.In some implementations
Example, only has a recess 53, also in allowed limits around main body 50.
In addition, main body 50 has a through hole 55 between two recesses 53, it is connected with a straight hole 58 through the center of convex portion 52,
So that through hole 55 is located at the junction of recess 53 and straight hole 58, the pipeline of threeway is formed.Main body 50 also has a screw 56 and multiple
Engagement groove 57, screw 56 is formed at the wall of groove 51 along radial direction, and these engagement grooves 57 are distributed in the opposite side of flange 54 and ring
It is wound on around convex portion 52.
Later see Fig. 3, Fig. 4, described action bars 60 has a pivot hole 61 and a receiving portion 62.In the present embodiment, hold
It refers to hole (such as Figure 11, Figure 13) through action bars 60 to receive portion 62.In some embodiments, receiving portion 62 is to be absorbed in action bars 60
Groove, also in allowed limits.
Described clip unit includes two clipping blocks 65, two shells 63 and an elastic component 64, each shell 63 just like hollow bullet
Hull shape shape, and elastic component 64 is compression spring.The shape of these clipping blocks 65 is roughly the same, and each appearance of clipping block 65 forms one
Individual or more external tooth 66.
Then Fig. 8 is seen, described one end of knob 70 is absorbed in a water jacket 71, and the other end forms cabin 75 in.In knob 70
Middle part forms a centre bore 78 and multiple combined holes 73 being centrally located around hole 78, it is allowed to which water jacket 71 is logical with interior cabin 75
This some holes 73,78 is crossed to communicate with each other.Knob 70 also has row's internal tooth 76, these internal tooths 76 continuously wall of the circular row in interior cabin 75
Face.
The assembled configuration of torque adjusting device 101 from from the point of view of Fig. 3~Fig. 9, it is known that main body 50 is local to insert sleeve 44, with convex
Edge 54 limits the depth of the insertion sleeve 44 of main body 50, so that convex portion 52 is exposed outside sleeve 44.Action bars 60 is local to insert convex portion 52
Straight hole 58, the pivot hole 59 for being formed at convex portion 52 by two with a pivot 67 make action bars 60 be pivotally connected convex portion 52, so that accommodating
Portion 62 is located at through hole 55 and faces recess 53.
Two clipping blocks 65 are inserted into the corresponding recess 53 of main body 50.Wherein, each clipping block 65 is side by side in the side of flange 54,
The two is passed through by a hinged arm 68.Clipping block 65 maintains pivot joint relation with main body 50, makes external tooth 66 in face of the internal tooth 46 of sleeve 44.
Two shells 63 cover the two ends of elastic component 64, and the pattern compressed with elastic component 64 inserts the receiving portion 62 of action bars 60, in elastic component
Under 64 promote, each shell 63 is local to expose the receiving portion 62 of action bars 60, so as to contact the corresponding position of clipping block 65.
The interior cabin 75 of knob 70 accommodates flange 54, it is allowed to which convex portion 52 is simultaneously by the centre bore 78 of knob 70.Knob 70
Combined hole 73 align main body 50 engagement groove 57, be combined together by fastener, such as screw 74.One button 72 inserts knob 70
Water jacket 71, and with action bars 60 expose at convex portion 52 lock.
In described torque adjusting device 101, handle 40 is inserted with sleeve 44, cover handle 20 and drive link 34, drive link
34 in the groove 51 of the position insertion main body 50 of bearing 38.The one of the fastener of multiple such as countersink head screws, by sleeve
44 screw 47 and locked together with handle 20, another fastener through sleeve 44 open-work 48 and lock the screw 56 of main body 50,
Packing drive link 34 enters the position of groove 51, so that the connection drive link 34 of main body 50 and energy rotating Vortex.
This moment, the internal tooth 76 of knob 70 is looped around the periphery of a trimming scale ring 22.The outer circumference surface of trimming scale ring 22 has
Multiple numerals 24 and some external tooths 26 (such as Fig. 9), these external tooths 26 are with numeral 24 not in the same side of trimming scale ring 22, it is allowed to
The internal tooth 76 of the engaging rotary knob 70 of external tooth 26.Because knob 70 is coupled drive link 34 by main body 50, drive link 34 is hampered by bearing
38 cannot move outward, so knob 70 must not draw outward.Flange 54 plus main body 50 is blocked by bearing 38, so that knob 70 must not be interior
Pressure, can only drive trimming scale ring 22 to be rotated along suitable, counterclockwise.
When using, action bars 60 is ordered about as Figure 10 dotted lines toward the lower section beat of sleeve 44 in the upper end of button 72 near flange 54,
A referred to as restriction site.When action bars 60 moves on to restriction site with respect to main body 50, clipping block 65 is promoted by shell 63, makes external tooth 66
The corresponding internal tooth 46 of mesh sleeve 44, thus main body 50 must not relative sleeve 44 rotate, such as Figure 11.This moment, knob must not be rotated.
Action bars 60 is ordered about as Figure 12 dotted lines toward the lower section beat of sleeve 44, referred to as one near flange 54 in the lower end of button 72
Free position.When action bars 60 moves on to free position with respect to main body 50, clipping block 65 is promoted by shell 63, makes external tooth 66 away from set
The internal tooth 46 of cylinder 44, the relative sleeve 44 of main body 50 is freely rotated, such as Figure 13.
As shown in Figure 3, Figure 4, knob 70 drives drive link 34 to rotate via main body 50, orders about driven member 35 to compression spring
36 are extruded or are discharged, and by the change value of the interpretation moment of torsion of graduation indication part 28.Meanwhile, trimming scale ring 22 is with knob 70
Synchronous start, serves as the assistance data of torque value interpretation.
Finally see Figure 14~Figure 16, show the second embodiment of torque adjusting device, itself and first embodiment substantially phase
Together, it is at difference:The straight hole 58 of main body 50 is polygon, volume of its volume more than the corresponding position of action bars 60.And, it is convex
The wall of portion 52 forms two long and narrow holes 90, and the original pivot hole of each substitution of long and narrow hole 90 accommodates one and swells around action bars 60
Protruded stigma 92.Protruded stigma 92 is polygonal design, and its volume is less than the volume of long and narrow hole 90.
Secondly, the original button of the substitution of a push button 80 serves as the switch of torque adjusting device.Push button 80 is adjusted in face of moment of torsion
A holding tank 82 is formed at device, the position of the convex portion 52 of main body 50 is exceeded to attended operation bar 60.Therefore, push button 80 is installed
In the water jacket 71 of knob 70, the upper and lower slip of action bars 60 is driven.
Push button 80 slips down to restriction site, and the relative sleeve 44 of related action bars 60 is moved at Figure 14 dotted lines.Moved on push button 80
To free position, action bars 60 is set to move at Figure 15 dotted lines.
It is described above to be merely exemplary for the purpose of the present invention, and it is nonrestrictive, and those of ordinary skill in the art understand,
In the case where the spirit and scope that claim is limited are not departed from, can many modifications may be made, change or equivalent, but will all fall
Enter within protection scope of the present invention.
Claims (10)
1. a kind of torque adjusting device, it is characterised in that including:
One sleeve, it has multiple internal tooths, on the plurality of internal tooth circular row sleeve lining;
One main body, its part inserts sleeve, and the main body has a convex portion and at least a recess, recess be absorbed in main surface to internal tooth at,
Convex portion exposes to sleeve, and its center forms a straight hole, and straight hole is communicated with recess;
One action bars, its part inserts the straight hole of convex portion, and action bars inserts convex portion straight hole, and it faces to form a receiving at recess
Portion;
One clip unit, it includes an at least clipping block, at least a shell and an elastic component, the clipping block insert the recess of main body and
Pivot joint main body, clipping block forms an at least external tooth, the receiving portion of shell turnover action bars at the internal tooth of sleeve and can cover
The end of elastic component, the elastic component inserts the receiving portion of action bars, promotes shell to touch the corresponding position of clipping block;
When action bars moves on to a restriction site with respect to main body, clipping block is promoted by shell, makes the corresponding internal tooth of external tooth mesh sleeve,
So that main body must not relative sleeve rotation;
When action bars moves on to a free position with respect to main body, clipping block is promoted by shell, makes external tooth away from the internal tooth of sleeve, main body
Relative sleeve is freely rotated.
2. torque adjusting device according to claim 1, it is characterised in that the action bars is pivotally connected in convex portion by
Together, it is allowed to which action bars swings back and forth in the straight hole of main body.
3. torque adjusting device according to claim 1, it is characterised in that the convex portion wall forms two long and narrow holes, each
The protruded stigma in action bars is swelled in long and narrow hole receiving one, and protruded stigma volume is less than long and narrow hole, it is allowed to which action bars is reciprocal in the straight hole of main body
Motion.
4. torque adjusting device according to claim 1, it is characterised in that the main body has a through hole, through hole is located at recess
With straight hole intersection, is synchronized with the movement the influence that do not produce on the related clip unit of action bars.
5. a kind of instrument, an including operating head, a handle and a torque structure;
The torque structure includes:One handle, an arm, a drive link, a driven member and a compression spring, the handle are connected with handle,
Its inner hollow, be installed in handle for drive link and can spinning motion;The driven member inserts handle, and it maintains the pass that is spirally connected with drive link
System, can move back and forth with respect to handle;Compression spring inserts handle, and its one end offsets with driven member;
It is characterized in that:The torque structure also includes a wheel seat, and the arm and operating head are designed to one, arm insertion handle and the two
Maintain pivot joint relation;The compression spring other end withstands wheel seat, supports that wheel seat touches the position that arm gos deep into handle;
The instrument also includes a torque adjusting device as claimed in claim 1, wherein, sleeve is inserted handle and is combined with handle
Together, drive link and energy rotating Vortex are connected with main body;
When action bars moves on to restriction site with respect to main body, handle remains stationary as state together with handle and sleeve, in clipping block engagement
Under conditions of sleeve, main body limitation drive link must not order about driven member displacement;
When action bars moves on to free position with respect to main body, clipping block is no longer opposed by sleeve, so that driven member is driven by main body
And relative handle shift reciprocately.
6. instrument according to claim 5, it is characterised in that also including a knob, knob has cabin in a water jacket and, outward
With interior freight space in knob two ends, water jacket is communicated with each other groove with interior cabin by a centre bore for being formed at knob;
A flange is formed around the main body, flange is inserted interior cabin and is combined together with knob, the convex portion of main body is by knob
Centre bore comes water jacket.
7. instrument according to claim 6, it is characterised in that also including a trimming scale ring for being located at handle, fine setting is carved
Degree ring outer circumference surface forms multiple digital with some external tooths, and the internal tooth maintenance that some external tooths are formed at cabin in knob with a row is nibbled
Conjunction relation.
8. instrument according to claim 6, it is characterised in that the torque adjusting device also has a switch, switch and operation
Bar is connected, can be in the water jacket start of knob.
9. instrument according to claim 8, it is characterised in that the switch is button or pushes away torsion.
10. instrument according to claim 5, it is characterised in that main body has a through hole, and through hole intersects positioned at recess with straight hole
Place, is synchronized with the movement the influence that do not produce on the related shell of action bars.
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CN201410459889.XA CN105459004B (en) | 2014-09-11 | 2014-09-11 | Torque adjusting device and a kind of instrument with this torque adjusting device |
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CN201410459889.XA CN105459004B (en) | 2014-09-11 | 2014-09-11 | Torque adjusting device and a kind of instrument with this torque adjusting device |
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CN105459004B true CN105459004B (en) | 2017-07-04 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108081180B (en) * | 2016-11-22 | 2019-07-23 | 陈怡富 | The positioning device of torque spanner |
DE202017101615U1 (en) * | 2017-03-20 | 2017-04-19 | William Tools Co., Ltd. | torque wrench |
CN109382780A (en) * | 2017-08-07 | 2019-02-26 | 瞬丰实业有限公司 | Torque adjusting device |
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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EP1375072A2 (en) * | 2002-06-28 | 2004-01-02 | Facom | Torque tool, especially wrench, with snap means for adjusting the torque |
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TWM398470U (en) * | 2010-05-28 | 2011-02-21 | Shi Xing Entpr Co Ltd | Improved wrench torque adjusting button |
CN102189522A (en) * | 2010-03-05 | 2011-09-21 | 哈蔡特沃克霍曼泽维有限责任两合公司 | Torque tool |
CN102371563A (en) * | 2010-08-24 | 2012-03-14 | 瞬丰实业有限公司 | Torque measuring mechanism for spanner |
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Publication number | Priority date | Publication date | Assignee | Title |
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DE4428972C1 (en) * | 1994-08-16 | 1996-02-08 | Hazet Werk Zerver Hermann | Device for releasably fixing a handle that can be rotated for adjustment purposes |
EP1375072A2 (en) * | 2002-06-28 | 2004-01-02 | Facom | Torque tool, especially wrench, with snap means for adjusting the torque |
CN1849200A (en) * | 2003-09-10 | 2006-10-18 | 费洛工具厂霍兰莱茨有限公司 | Screwdriver with adjustable torque limiting clutch |
CN101879711A (en) * | 2009-05-04 | 2010-11-10 | 昰星实业有限公司 | Torsion adjusting and locking mechanism of torsion tool |
CN102189522A (en) * | 2010-03-05 | 2011-09-21 | 哈蔡特沃克霍曼泽维有限责任两合公司 | Torque tool |
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Address after: Taichung City, Taiwan, China Patentee after: Sunfeng Industrial Co.,Ltd. Address before: Taichung City, Taiwan, China Patentee before: Matatakitoyo Tool Co.,Ltd. |