CN1987384A - Torque sensor of torque wrench - Google Patents
Torque sensor of torque wrench Download PDFInfo
- Publication number
- CN1987384A CN1987384A CN 200510122435 CN200510122435A CN1987384A CN 1987384 A CN1987384 A CN 1987384A CN 200510122435 CN200510122435 CN 200510122435 CN 200510122435 A CN200510122435 A CN 200510122435A CN 1987384 A CN1987384 A CN 1987384A
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- bar
- sensing
- torque
- drive division
- electronic package
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The torsion-sensing device possesses a main hollow body. One end of the body is connected to drive part, and the other end is a grab handle part capable of rotating freely. Following parts are setup from the grab handle part to the drive part in sequence: electronic module, adjustment part, damp element, second pole, turned part, and first pole. First end of the first pole and second end of the second pole are face to face. First flute is setup at first end of the first pole, and second flute corresponding to first flute is setup at second end of the second pole. The turned part is accommodated in the accommodation space formed by first flute and second flute. Thus, the first pole and the second pole are in state of top brace. Induction pieces are setup at top and bottom ends of the damp element in side the main body. Each induction piece is connected to the electronic module electrically.
Description
One, technical field
The present invention relates to instrument, relate in particular to a kind of apparatus for sensing torque force that improves the torque spanner of torsion sensing sensitivity.
Two, background technology
As shown in Figure 5, be existing torque spanner, this torque spanner has a hollow axostyle 61, a drive division 62 and a shank part 7, its one second bar 611 that utilizes rotation shank part 7 to make and be positioned at hollow axostyle 61 can be by the interaction force of 63 of two rollers, to shore one first bar 612, allow second bar 611 can be by above-mentioned acting force packing first bar 612, and the torque value that torque spanner is had set, thereby can utilize drive division 62 to pull workpiece.
During use, this torque spanner is to remove to pull workpiece with predefined torque value and by drive division 62, so that workpiece bears the torsion that sets, but on reality is used, but there is following shortcoming: during 1, owing to the application of force, two rollers are to move between two inclined-planes, like this, will cause the torque value of the torque spanner application of force can't precisely to be measured.2, because above-mentioned torque spanner is to adopt mechanical type control, make the sensitivity of torque spanner relatively poor.So aforesaid existing torque spanner truly has in addition improved necessity.
Three, summary of the invention
Fundamental purpose of the present invention is to overcome the above-mentioned shortcoming that existing product exists, and provide a kind of apparatus for sensing torque force of torque spanner, it has a body, body one end has a drive division, be provided with the electronic package of a piece capable of sensing twisting force in this body away from an end of drive division, this electronic package is respectively equipped with a sensing chip at intrinsic bolster two ends, and each sensing chip utilization electrically connects and links to each other with electronic package; Because sensing chip is the electronic package of a precision and the two ends that are installed in the bolster between second bar and adjustment part, make the deflection of each sensing chip sensing drive division by suffered this bolster of force compresses of second bar, therefore, when drive division during to the target application of force, can make sensing chip sense the deflection of this drive division, and then the sensitivity of torsion sensing is improved in moment.
An of the present invention order is to provide a kind of apparatus for sensing torque force of torque spanner, one first bar first end of this torque spanner in a hollow body is arranged with one first groove, to establishing one second groove in one second bar, second end by first groove, be placed in the formed accommodation space of first, second groove for a tumbler, so that tumbler can transmit the deflection of first bar accurately, like this, allow the torque value of the torque spanner application of force precisely be measured.
The objective of the invention is to realize by following technical scheme.
The apparatus for sensing torque force of torque spanner of the present invention is characterized in that, has a body, this body one end connects a drive division, end is a shank part that freely rotates in addition, is provided with the electronic package of a sensing torsion in the body, senses the torsion of drive division by this electronic package.
The apparatus for sensing torque force of aforesaid torque spanner, wherein body interior is provided with an electronic package by shank part in regular turn towards the drive division direction, one adjustment part, one bolster, one second bar, one tumbler and one first bar, this first bar has one first end and one second end, this second end is linked to each other with drive division by a connection piece, drive division is rotated freely in body, this second bar has one second end, first bar, first end and second bar, second end are setting in opposite directions, first bar, first end is arranged with one first groove, corresponding first groove of second bar, second end is provided with one second groove, be placed in first for a tumbler, in the formed accommodation space of second groove, first bar and second bar are shore shape.
The apparatus for sensing torque force of aforesaid torque spanner, wherein electronic package two ends of bolster in body are respectively equipped with a sensing chip, and each sensing chip utilization electrically connects and links to each other with electronic package.
The apparatus for sensing torque force of aforesaid torque spanner, wherein bolster is a compression spring.
The apparatus for sensing torque force of aforesaid torque spanner, wherein web member is a C shape clasp.
The apparatus for sensing torque force of aforesaid torque spanner, wherein sensing chip is a Piezoelectric switches.
The beneficial effect of the apparatus for sensing torque force of torque spanner of the present invention is, it has a hollow body, this body one end connects a drive division, end is a shank part free to rotate in addition, and body interior is provided with an electronic package, an adjustment part, a bolster, one second bar, a tumbler and one first bar by shank part in regular turn towards this drive division direction; This first bar has one first end and one second end, first bar, second end is to be connected with drive division by a connection piece, second bar has one second end, first bar, first end and second bar, second end are in opposite directions to be provided with, this first bar, first end is arranged with one first groove, to establishing one second groove in second bar, second end by first groove, for a tumbler be placed in this first, in the formed accommodation space of second groove, and first bar and second bar are shore shape, this electronic package is the top of bolster in body, the bottom is respectively equipped with a sensing chip, and each sensing chip utilization electrically connects and links to each other with electronic package.Sensing chip is the electronic package of a precision and is installed in bolster two ends between second bar and adjustment part, make the deflection of each sensing chip sensing drive division by the suffered force compresses bolster of second bar, therefore, when drive division during to the target application of force, can make sensing chip sense the deflection of this drive division in moment, the sensitivity of torsion sensing is improved, in addition, tumbler is placed in the formed accommodation space of first, second groove, make tumbler can transmit the deflection of first bar accurately, like this, allow the torque value of the torque spanner application of force precisely be measured.
Four, description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the present invention's one user mode synoptic diagram.
Fig. 3 is another user mode synoptic diagram of the present invention.
Fig. 4 is a circuit block diagram of the present invention
Fig. 5 is existing torque spanner structure synoptic diagram.
Five, embodiment
Consult Fig. 1 to shown in Figure 3, be the selected example structure of the present invention.
The apparatus for sensing torque force of the torque spanner of present embodiment, as shown in Figure 1, it has a hollow body 1, these body 1 one ends connect a drive division 11, the other end is a shank part 12 free to rotate, and this body 1 inside is provided with an electronic package 13, an adjustment part 14, a bolster 15, one second bar 16, a tumbler 17 and one first bar 18 by shank part 12 in regular turn towards drive division 11 directions; This first bar 18 has one first end 181 and one second end, and these first bar, 18 second ends are connected with drive division 11 by a connection piece 19.In the present embodiment, this web member 19 is a C shape clasp, and this drive division 11 can be rotated in body 1 freely.This second bar 16 has one second end 161, these first bar, 18 first ends 181 and second bar, 16 second ends 161 are in opposite directions to be provided with, and these first bar, 18 first ends 181 are arranged with one first groove 182, to being provided with one second groove 162 in second bar, 16 second ends 161 by first groove 182, be placed in first, second groove 182,162 formed accommodation spaces 2 for tumbler 17, and first bar 18 and second bar 16 be shore shape.
As shown in Figure 4, this electronic package 13 includes assemblies such as amplifier, register, data processor and display, and the two ends that this electronic package 13 is bolsters 15 in body 1 are respectively equipped with a sensing chip, in the present embodiment, each sensing chip is a Piezoelectric switches 131, and each Piezoelectric switches 131 utilizes respectively and electrically connects and be connected with this electronic package 13.
Thus, when utilizing this torque spanner to revolve the lock workpiece, as Fig. 2 and shown in Figure 3, at first must set torque value earlier, in the present embodiment, the operating process of setting torque value is, rotation shank part 12, the adjustment part 14 of making way for shank part 12 inside produces moves, and Piezoelectric switches 131 is contacted to bolster 15, by Piezoelectric switches 131 signal is passed to electronic package 13, like this, can finish the setting of torque value, and after torque value is set, revolve the operation of lock workpiece.In operation process, because of first bar, 18 second ends link to each other with drive division 11, so, drive division 11 can because of the application of force with the conduction of strength through first bar 18, driving member 17 and second bar 16, and touch the Piezoelectric switches 131 that is located at bolster 15 1 ends.In the present embodiment, this bolster 15 is a compression spring, and Piezoelectric switches 131 can amplify signal through amplifier at drive division 11 application of force moment induction drive divisions 11 because of the stressed deflection that produces, and converts analog signal to digital signal through register, data processor again, again numerical value is shown on the display, thereby can learn torque value, like this, allow the torque value of the torque spanner application of force precisely be measured, so the present invention has preferable torsion sensing sensitivity.
Secondly, because this torque spanner is that first bar, 18 first ends 181 are arranged with one first groove 182 in a hollow body 1, to establishing second groove 162 at these second bar, 16 second ends 161 by first groove 182, be placed in first, second groove 182,162 formed accommodation spaces 2 for a tumbler 17, so that this tumbler 17 can transmit the deflection of this first bar 18 accurately, like this, allow the torque value of this torque spanner application of force precisely be measured.
Moreover the present invention will with creationary design, be designed to this torque spanner with the torque spanner of electromechanical integration effect, accurately to predict the torque value of torque spanner in the past merely by mechanical control structure especially.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (6)
1, a kind of apparatus for sensing torque force of torque spanner is characterized in that, has a body, this body one end connects a drive division, end is a shank part that freely rotates in addition, is provided with the electronic package of a sensing torsion in the body, senses the torsion of drive division by this electronic package.
2, the apparatus for sensing torque force of torque spanner according to claim 1, it is characterized in that, described body interior is provided with an electronic package by shank part in regular turn towards the drive division direction, one adjustment part, one bolster, one second bar, one tumbler and one first bar, this first bar has one first end and one second end, this second end is linked to each other with drive division by a connection piece, drive division is rotated freely in body, this second bar has one second end, first bar, first end and second bar, second end are setting in opposite directions, first bar, first end is arranged with one first groove, corresponding first groove of second bar, second end is provided with one second groove, be placed in first for a tumbler, in the formed accommodation space of second groove, first bar and second bar are shore shape.
3, the apparatus for sensing torque force of torque spanner according to claim 1 is characterized in that, described electronic package two ends of bolster in body are respectively equipped with a sensing chip, and each sensing chip utilization electrically connects and links to each other with electronic package.
4, the apparatus for sensing torque force of torque spanner according to claim 2 is characterized in that, described bolster is a compression spring.
5, the apparatus for sensing torque force of torque spanner according to claim 2 is characterized in that, described web member is a C shape clasp.
6, the apparatus for sensing torque force of torque spanner according to claim 3 is characterized in that, described sensing chip is a Piezoelectric switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101224354A CN100432644C (en) | 2005-12-19 | 2005-12-19 | Torque sensor of torque wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101224354A CN100432644C (en) | 2005-12-19 | 2005-12-19 | Torque sensor of torque wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1987384A true CN1987384A (en) | 2007-06-27 |
| CN100432644C CN100432644C (en) | 2008-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101224354A Active CN100432644C (en) | 2005-12-19 | 2005-12-19 | Torque sensor of torque wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100432644C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101417414B (en) * | 2007-10-23 | 2010-05-19 | 谢智庆 | Electric torsion wrench measurement structure |
| CN102042896A (en) * | 2010-11-19 | 2011-05-04 | 大连德新机电技术工程有限公司 | Axial rotary type dynamic torque measurement calibrator |
| CN102145480A (en) * | 2011-02-18 | 2011-08-10 | 浙江亿洋工具制造有限公司 | Torque wrench structure |
| CN102721499A (en) * | 2012-05-16 | 2012-10-10 | 电子科技大学 | Device for detecting startup friction torque with restraints on speed influence, and circuit system thereof |
| CN102721500A (en) * | 2012-05-16 | 2012-10-10 | 电子科技大学 | Handheld measuring device for detecting starting friction torque and circuit system thereof |
| CN102909670A (en) * | 2011-08-03 | 2013-02-06 | 哈蔡特沃克霍曼泽维有限责任两合公司 | Torque tool |
| TWI714442B (en) * | 2020-01-20 | 2020-12-21 | 和嘉興精密股份有限公司 | Torsion structure |
| DE102022128109A1 (en) | 2022-10-25 | 2024-04-25 | Shih-Hao Lai | Torque wrench with stable release mechanism |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5152200A (en) * | 1991-02-19 | 1992-10-06 | Multilink, Inc. | Torque signalling wrench |
| US5537877A (en) * | 1995-09-20 | 1996-07-23 | Frank Hsu | Torsion wrench with display unit for displaying torsion force limit thereon |
| US6463834B2 (en) * | 2000-10-05 | 2002-10-15 | The Stanley Works | Torque wrench |
| CN2538495Y (en) * | 2002-01-08 | 2003-03-05 | 谢智庆 | Torque force wrench |
| US6722235B2 (en) * | 2002-02-25 | 2004-04-20 | Chih-Ching Hsieh | Torque wrench with a scale |
| CN2638930Y (en) * | 2003-06-23 | 2004-09-08 | 陈惠玲 | Improved electronic wrench |
-
2005
- 2005-12-19 CN CNB2005101224354A patent/CN100432644C/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101417414B (en) * | 2007-10-23 | 2010-05-19 | 谢智庆 | Electric torsion wrench measurement structure |
| CN102042896A (en) * | 2010-11-19 | 2011-05-04 | 大连德新机电技术工程有限公司 | Axial rotary type dynamic torque measurement calibrator |
| CN102145480A (en) * | 2011-02-18 | 2011-08-10 | 浙江亿洋工具制造有限公司 | Torque wrench structure |
| CN102909670A (en) * | 2011-08-03 | 2013-02-06 | 哈蔡特沃克霍曼泽维有限责任两合公司 | Torque tool |
| CN102721499A (en) * | 2012-05-16 | 2012-10-10 | 电子科技大学 | Device for detecting startup friction torque with restraints on speed influence, and circuit system thereof |
| CN102721500A (en) * | 2012-05-16 | 2012-10-10 | 电子科技大学 | Handheld measuring device for detecting starting friction torque and circuit system thereof |
| CN102721499B (en) * | 2012-05-16 | 2014-02-26 | 电子科技大学 | Device for detecting startup friction torque with restraints on speed influence, and circuit system thereof |
| CN102721500B (en) * | 2012-05-16 | 2014-02-26 | 电子科技大学 | Handheld measuring device for detecting starting friction torque and circuit system thereof |
| TWI714442B (en) * | 2020-01-20 | 2020-12-21 | 和嘉興精密股份有限公司 | Torsion structure |
| DE102022128109A1 (en) | 2022-10-25 | 2024-04-25 | Shih-Hao Lai | Torque wrench with stable release mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100432644C (en) | 2008-11-12 |
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