CN102371564A - Rotatable display of a torque wrench - Google Patents
Rotatable display of a torque wrench Download PDFInfo
- Publication number
- CN102371564A CN102371564A CN2011102214177A CN201110221417A CN102371564A CN 102371564 A CN102371564 A CN 102371564A CN 2011102214177 A CN2011102214177 A CN 2011102214177A CN 201110221417 A CN201110221417 A CN 201110221417A CN 102371564 A CN102371564 A CN 102371564A
- Authority
- CN
- China
- Prior art keywords
- torque
- display
- value
- torque spanner
- show
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/142—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers
- B25B23/1422—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers torque indicators or adjustable torque limiters
- B25B23/1425—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers torque indicators or adjustable torque limiters by electrical means
Abstract
The spanner (1) has a digital display (5) e.g. LED display, displaying an indicated value (12). The display is arranged on a shaft (2) in a region of a handle (3). The indicated value is set as a torque value (11) that represents preset torque and currently applied torque. The indicated value is rotated at an angle around 180 degrees by an input at an adjusting unit (7). An angle measuring device determines rotation of the indicated value in the display. A gyro-sensor is provided for adjusting a display position.
Description
Technical field
The present invention relates to a kind of by claim 1 torque spanner that is used to be applying torque on the screw connection as described in the preamble.
Background technology
Electronic torque wrench is known and be used for exactly determined mode threaded together jockey or be used to control tightening of screw connection by prior art.For this purpose, Wrench head for example is set on the head of the bolt that need tighten or is set on the nut.Bolt or nut are tightened, and confirm that the parameter of tightening can read on the display unit of display, preferred electron.The parameter that is shown is by means of measuring the sensing element detection and on display unit, showing.
For example the measurement formula spanner by the known electronics of DE 295 15 123 U1 is used for check and design screw connection in research and development.In addition, for example they use in quality control.Through measuring and regulate further developing of electronic technology, nowadays in assembling even can in the nearly all use field that occupies by the torque spanner of traditional machinery so far, use.For the torque spanner of such electronics can be reasonably and economy use apace, it preferably has measurement and the display unit that is set directly on the torque spanner.Torque spanner therefore can autonomously need not the for example extraneous display monitor of outer member or analog carries out work.
Just in time the minor structure space or be difficult to enough and the zone of screw connection in, the assembler often always can not read out in the display text that shows on the display unit.
Summary of the invention
Therefore the objective of the invention is to, a kind of torque spanner is provided, the show value of the electronics of this torque spanner can be read on the different operating position preferably.
Above-mentioned purpose reaches through the characteristic of claim 1.
Advantageous embodiment of the present invention is the theme of dependent claims.
The torque spanner that is used to be applying torque on the screw connection of the present invention has bar portion, handle, tool heads and is used to demonstrate the digital display of show value.Torque spanner is by the invention is characterized in, show value can show in display with the relative rotation.Within the scope of the invention, also should understand torque-corner-spanner for torque spanner.The corner of torque-corner-spanner display requirement perhaps shows the combination of torque and corner as option.
This means that within the scope of the invention the display optimum position is fixed on the torque spanner regularly.This often means that display is in the zone between bar portion and the handle and is connected with dynamic torque tool to fixed-site there, or the part of bar portion or handle.On the digital display of electronics, can show different measured values and display text.
In addition, within the scope of the present invention, on the display of electronics, show torque value.This torque value is meant show value below plainly.Show value can rotatably show in display by the present invention.In one embodiment of the present invention, show value for example can be placed into the top and show, makes for the custom right-hander who uses torque spanner of the present invention or be accustomed to left-handed people (left-handed person) all to be shown as the show value that can correctly read.But show value within the scope of the present invention also can for example 1 degree, 10 degree or 100 degree ground demonstrations of rotatable any number of degrees in display.Therefore obtain advantage by the present invention, promptly show value always shows on the position that can well read in display.
Preferred especially for this reason, display is arranged in the bar portion, preferably is arranged in the zone of handle.Therefore almost always can in the zone of handle, read show value for the assembler, because it needs to use certain free space for the operation torsion spanner in the zone of handle.
The show value that shows by the present invention relates to torque value, the torque that its expression is regulated in advance.Therefore can adjust a trigger value by means of torque spanner machinery, dynamo-electric or electricity within the scope of the invention, when this trigger value, torque spanner of the present invention sends a signal reaching under the situation of tightening torque.This signal for example can be to be that acoustic signal or the visual signal of alarm sound or the form that mechanically produces are the signal of typical snap sound with the form that the electronics mode produces within the scope of the invention.The torque spanner that in this form of implementation of the present invention, relates to triggering.
In another embodiment preferred of the present invention, show a torque value as show value, this torque value shows the current torque that applies.For example in the torque spanner of such electronics, on torque rod, measure by means of resistance strain gage.The measuring-signal that obtains is converted into through the measured value amplifier needs the unit of force that shows, Newton meter for example, and on digital display, show.Show value can change as follows, and promptly show value shows the corresponding torque that applies.
Normal conditions at this possibly be: from the original position of 0Nm, according to the different situations of the speed of tightening, the torque that applies improves lentamente or apace; Up to a rated value; This rated value for example is 100Nm, and the assembler knows from this rated value, has reached predetermined torque now.For example also possiblely at this be to reach the value of regulating in advance and the combination of the current value that applies through a plurality of various signals display unit or analog.For example when the value of regulating in advance of 100Nm, the assembler can always read, and which type of he is in now and tightens torque, and when reaching the value of 100Nm, realizes signal acoustics or vision, makes him know the torque that has reached expectation now.
Particularly add the operating position that is further rotated that also will realize at this for being scheduled to tighten torque, for example be further rotated a predetermined angular range, for example 90 spend, and embodiment of the present invention allow for the friendly especially use of operation.Do not having under the big situation of regulating in advance; The assembler can regulate the torque of tightening of the for example 100Nm that imposes on torque spanner; And be familiar with for him from the value that this torque can well be read, make that he also need continue torque spanner to revolve now to turn 90 degrees in said embodiment.
In a kind of particularly preferred embodiment, show value rotatably can show in display with the optional number of degrees through regulating element.Regulating element for example is near the button the show value or on the torque spanner.Through operating buttons, show value rotates in display with the optional number of degrees.
Especially realize the rotation of show value through the step-length number of degrees that are respectively 45 degree, 90 degree, 180 degree of preliminary election at this.Therefore constitute most of application standard situation, make when the threaded together jockey, through the torque that can accurately regulate, always for being in the position of tightening in the torque, through operating buttons scalable such as lower angle.Therefore for the rotation of in an angle of 90 degrees degree scope of torque spanner, carrying out greatly, show value is operated in display or is revolved and turn 90 degrees advantageous particularly.
In another particularly preferred embodiment of the present invention, angle measurement unit is set, can automatically confirm the rotation of show value in display whereby.This should be understood that within the scope of the present invention the realization rotation of automation ground, wherein, the corresponding corner of angle measurement unit regulation show value in display.Therefore rotating about 90 from the directed initial position of approximate vertical when spending the terminal location of horizontal orientation, show value rotates the angle of about 90 degree equally based on angle measurement unit.In torque-corner-spanner, required measuring transducer also can be used for the rotation of show value at display simultaneously, and said measuring transducer for example is gyro sensor or acceleration transducer, and measurement and demonstration corner value or torque value need these sensors.Show value being rotated in this and automatically following rotatablely moving of torque spanner or torque-corner-spanner in display.
The rotation of show value in display also can automatically be carried out through predetermined angular range.For example confirm the angle range of 45～135 degree at this.If torque spanner moves in the range of deflection of 0～44 degree now, then show value does not rotate in display.If torque spanner is further rotated now, make that show value revolves and turn 90 degrees so through the scope between 45～135 degree in display.Further through greater than the angular range of 135 degree the time, for example in the scope of 135～225 degree, then show value is further rotated 90 degree in display, makes in display the rotation that produces 180 degree with respect to the initial position of show value.
In another embodiment preferred of the present invention, show value can move with respect to the position of torque spanner with adjustable reference position in display relatively.Reference position within the scope of the present invention is such position, and it can be regulated in advance or can regulate through the user in factory; Perhaps for example be such position, it is realized after torque spanner being installed on the screw connection that need tighten.The reference position of regulating in advance in factory for example is such position, and on this position, torque spanner always is on the identical original position for certain course of work.
Can specifically programme through user itself in the torque syndeton that maybe need fixedly the tighten place repetition of corresponding work field, check in reference position through the user regulates in advance.
The reference position that in each course of work, can specifically confirm can through its assembler of corresponding use for example specifically before the relevant work process or during confirm.For example survey current position and in display, demonstrate show value for this reason through a kind of obliquity sensor at this, this obliquity sensor utilizes triggering signal, the triggering signal that is for example produced by top pressure.Display itself is electronic console within the scope of the present invention, and for example form is light-emitting diode display or LCD display.TFT display or plasma scope also are admissible within the scope of the present invention, and are other possibilities of electronic console.
The torque spanner known by prior art preferably so uses in operating position, and promptly they also carry out the motion of vertical orientation basically.That is to say that most of operating positions so take place, promptly torque spanner moves to the position of a below from the position of a top.Under the situation of the vertical orientation of torque spanner motion, but show value occupies the position that level is read in principle at this.
Preferred rotary angle transmitter is used for regulating the display position of show value at display.Therefore by means of rotary angle transmitter possible be, show value to be rotated to the position of an expectation from a reference position.This reference position for example can constitute the reference position of adjusting in advance or the reference position that can specifically regulate that had discussed the front.
In another preferred embodiment, gyro sensor is set in order to regulate display position.Gyro sensor is a kind of like this sensor, and it is according to the gyroscope principle work.Therefore it measure the relative motion of implementing and correspondingly regulate inclination angle or the rotation of show value in display.
Also can set acceleration transducer as another possibility and be used to regulate display position.Same possible is to regulate the display position in the torque spanner through obliquity sensor.
Using under the situation of resistance strain gage, also possible in principle within the scope of the present invention is, the measured value that resistance strain gage is provided through the conversion algorithm is used for the rotation of display.
Description of drawings
Other advantage of the present invention, characteristic, characteristic and aspect are obtained by follow-up explanation.They are used for simple understanding.Wherein:
Fig. 1 shows the torque spanner of the present invention that has electronic console, comprises that show value rotates 180 degree;
Fig. 2 shows the torque spanner of the present invention that has electronic console, comprises that show value rotates 90 degree respectively;
Fig. 3 shows the torque spanner of the present invention that has electronic console, and this display automatically adapts to obliquity.
The specific embodiment
Use identical Reference numeral for identical or similar component in the accompanying drawings, even from simplifying reason cancellation repeat specification.
Fig. 1 shows torque spanner 1 of the present invention, and it has bar portion 2, handle 3, tool heads 4 and digital display 5.In bar portion 2, additionally have and regulate and evaluation electronics 6.This adjusting and evaluation electronics 6 comprise digital display 5, and comprise a plurality of different load buttons 7 and a plurality of at these parts of not describing, for example governor motion, different sensor or battery on the other hand on the one hand.
Show value 12 in Fig. 1 b in digital display 5 the Rotate 180 degree.Therefore torque spanner 1 keeps same position, and only show value 12 is placed to the top.Therefore possible is, not only is accustomed to the right-hander and is accustomed to left-handed people and all always under the situation that show value 12 can well be read, uses torque spanner 1.Handling torque spanner 1 and deflection basically 180 when spending equally, show value 12 can be placed to the top, makes it can read well again.
Fig. 2 shows the torque spanner 1 identical with Fig. 1, and difference is that digital display 5 has square basically shape.Therefore possible is that show value 12 revolves among Fig. 2 b from the original state of Fig. 2 a with turning 90 degrees and shows, and in Fig. 2 c, revolves demonstration again relatively with turning 90 degrees.Therefore realize following advantage, promptly in torque tool, show value 12 respectively through handle input element for example load button 7 can preferably revolve at every turn and turn 90 degrees.
In Fig. 3, show to be similar to the torque spanner 1 that Fig. 1 and 2 constitutes, but difference is circular basically digital display 5.12 rotationally fixedly demonstrations in digital display 5 of show value; Make when handling torque tool rotational angle α; Shown in Fig. 3 b, show value 12 is same tilt angle alpha in digital display 5, makes can flatly read in principle among the show value embodiment shown here.
Reference numerals list
1 torque spanner
2 bar portions
3 handles
4 tool heads
5 digital displays
6 adjustings and evaluation electronics
7 load buttons
8 battery status
9 units
10 errors
11 torque values
12 show values
The α angle
Claims (13)
1. the torque spanner of electronics (1); Be used for torque (11) is applied to screw connection; Said torque spanner has bar portion (2), handle (3), tool heads (4) and is used to demonstrate the digital display (5) of show value (12); It is characterized in that show value (12) can show with the relative rotation in display (5).
2. the torque spanner of electronics according to claim 1 is characterized in that, display (5) is arranged in the bar portion (2), preferably is arranged in the zone of handle (3).
3. the torque spanner of electronics according to claim 1 and 2 is characterized in that, show value (12) is torque value (11), and this torque value is represented the torque regulated in advance.
4. the torque spanner of electronics according to claim 1 and 2 is characterized in that, show value (12) is torque value (11), and this torque value shows the current torque that applies.
5. according to the torque spanner of each described electronics in the claim 1 to 4, it is characterized in that show value (12) can pass through regulating element (7) and rotatably in display (5), show with the optional number of degrees.
6. according to the torque spanner of each described electronics in the claim 1 to 5, it is characterized in that, show value (12) can revolve through the input on regulating element (7) turn 90 degrees, preferably can the Rotate 180 degree.
7. according to the torque spanner of each described electronics in the claim 1 to 6, it is characterized in that, angle measurement unit is set, can automatically confirm the rotation of show value (12) in display (5) through this angle measurement unit.
8. according to the torque spanner of each described electronics in the claim 1 to 7, it is characterized in that show value (12) can move with respect to the position of torque spanner (1) with adjustable reference position relatively in display (5).
9. according to the torque spanner of each described electronics in the claim 1 to 8, it is characterized in that, show value (12) at torque spanner (1) but the motion of vertical orientation the time occupy the position that level is read.
10. according to the torque spanner of each described electronics in the claim 1 to 9, it is characterized in that, rotary angle transmitter is set, be used to regulate display position.
11. the torque spanner according to each described electronics in the claim 1 to 10 is characterized in that, gyro sensor is set, and is used to regulate display position.
12. the torque spanner according to each described electronics in the claim 1 to 11 is characterized in that, acceleration transducer is set, and is used to regulate display position.
13. the torque spanner according to each described electronics in the claim 1 to 12 is characterized in that, obliquity sensor is set, and is used to regulate display position.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202010011064U DE202010011064U1 (en) | 2010-08-05 | 2010-08-05 | Rotatable display of a torque wrench |
| DE202010011064.5 | 2010-08-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102371564A true CN102371564A (en) | 2012-03-14 |
Family
ID=42994117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102214177A Pending CN102371564A (en) | 2010-08-05 | 2011-08-04 | Rotatable display of a torque wrench |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2415560B1 (en) |
| CN (1) | CN102371564A (en) |
| DE (1) | DE202010011064U1 (en) |
| TW (1) | TWI441718B (en) |
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| CN103934788A (en) * | 2013-01-21 | 2014-07-23 | 哈蔡特沃克霍曼泽维有限责任两合公司 | Adjustment of a torque wrench |
| CN104723260A (en) * | 2014-12-15 | 2015-06-24 | 首君企业股份有限公司 | Electronic torque wrench with swing head angle capable of being positioned |
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| US10417935B2 (en) | 2012-11-09 | 2019-09-17 | Illinois Tool Works Inc. | System and device for welding training |
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| CN107107246A (en) * | 2014-11-05 | 2017-08-29 | 伊利诺斯工具制品有限公司 | System and method for welding torch display |
| CN107107246B (en) * | 2014-11-05 | 2020-05-29 | 伊利诺斯工具制品有限公司 | System and method for torch display |
| US11127133B2 (en) | 2014-11-05 | 2021-09-21 | Illinois Tool Works Inc. | System and method of active torch marker control |
| US11482131B2 (en) | 2014-11-05 | 2022-10-25 | Illinois Tool Works Inc. | System and method of reviewing weld data |
| CN104723260A (en) * | 2014-12-15 | 2015-06-24 | 首君企业股份有限公司 | Electronic torque wrench with swing head angle capable of being positioned |
| CN112154045A (en) * | 2018-05-25 | 2020-12-29 | 艾沛克斯品牌公司 | Torque wrench with improved handle and/or adjuster |
| CN111136606A (en) * | 2018-11-01 | 2020-05-12 | 施耐宝公司 | Tilt compensation torque-angle wrench |
| CN111136606B (en) * | 2018-11-01 | 2021-10-29 | 施耐宝公司 | Tilt compensation torque-angle wrench |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202010011064U1 (en) | 2010-10-21 |
| TWI441718B (en) | 2014-06-21 |
| EP2415560B1 (en) | 2016-05-18 |
| TW201213063A (en) | 2012-04-01 |
| EP2415560A3 (en) | 2014-02-19 |
| EP2415560A2 (en) | 2012-02-08 |
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Application publication date: 20120314 |