CN1463831A - Process and apparatus for wrench capable of displaying torque value - Google Patents
Process and apparatus for wrench capable of displaying torque value Download PDFInfo
- Publication number
- CN1463831A CN1463831A CN 02122177 CN02122177A CN1463831A CN 1463831 A CN1463831 A CN 1463831A CN 02122177 CN02122177 CN 02122177 CN 02122177 A CN02122177 A CN 02122177A CN 1463831 A CN1463831 A CN 1463831A
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- spanner
- resistance
- torque value
- present
- tension force
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The present invention is torque displaying method and device for wrench. Based on that the resistance of material is proportional directly with length and proportional inversely with area, resistance variances are converted in a Wheatstone bridge into output voltage and the voltage is converted via amplifier, data processor, etc. into digital signal and displayed via output unit to express the torque. The resistance inside the wrench is measured with tension gage with known resistance, piezoelectric crystal and other sensing element, and the tension gage is connected to an integrated element to display the torque number or a buzzer to tell the torque value.
Description
Technical field
The present invention relates to a kind of process and apparatus for wrench capable of displaying torque value, relate to utilize the resistance difference, change into voltage via Hui Si Dayton electric bridge (Wheatstonebridge) circuit, handle via amplifier, data, and analog signal is changed into digital signal, be able to demonstrate the spanner of torque value and it demonstrates the method and the device of torque value by output device.
Background technology
The application of general hand-held tool is very general, except facility, certainly low cost also is a big use, designed in every Ji tool Jie Gou Group by utilization widely for this reason and load onto, especially representative especially at motor-dom, but but because manual torque value with its Negative lotus, when the torsion that is born is crossed big Time, therefore the anxiety that fracture is promptly arranged often has the spanner fracture and causes the incised wound human body or injure the accident of the person for the fracture workpiece on tool using.Therefore, if in the process of operation, can learn the safe power value that this spanner can bear, and in the middle of use, should bestow how much strength of screw piece and just conform with safety, so that spanner is after facilitating property, still can increase its safety value, can be described as and can not lack a big design problem in the modern science and technology, more Fu gives hand-held tool lifeization, removes the general stiffization sensation of Give people so as to leather.
What deserves to be mentioned is, promptly have in the middle of the existing spanner and can show torque value, as shown in figure 10 for utilizing the spanner of general electronic type, and 1 Shi The of Fig. 1 is photosensitive electronic type, its volume is too huge and influence ease of use, more even in some zone can't use, and also have with interior and establish the machinery of spring or also only be to be set under certain value, comparatively inaccurate, and its spring is easy to tired its disappearance place that also is.
Summary of the invention
The spanner disappearance that can show torque value based on above-mentioned Two money, main purpose of the present invention, promptly be to provide a kind of " process and apparatus for wrench capable of displaying torque value ", make and learn in operating process how much torsion spanner has born, with the security of safeguarding hand-held tool and pulled object conformance And and its volume similar with general spanner, and do not have the anxiety that increases volume.
In order to achieve the above object, technological means of the present invention is to provide a kind of process and apparatus for wrench capable of displaying torque value, it is to be directly proportional with unit length by resistance, and the variation that is inversely proportional to unit are, the resistance coefficient De Group that participates in material again becomes, via whiston bridge circuit, make resistance change convert output voltage to, through amplifier signal is amplified, relend by data processor, convert analog signal to digital signal, be shown in the output device end, and can show the value of exerting oneself size by output device by digital signal.
The tension force Regulations of spanner Nei Let one known resistance establishes an integrated element in spanner Two Side ， And and is fastened on the ， And of spanner central authorities and is connected the power value variation of tension force Regulations as can be known with tension force Regulations mutual conduction, and this integrated element has display screen color light and buzzer.
Implement after the technological means of the invention described above, pull hand Time in operation and show its torque value on promptly can be, to improve the security of its operation directly by spanner.
Description of drawings
Fig. 1 is a block flow diagram of the present invention.
Fig. 2 is material force analysis figure.
Fig. 3 is the stereogram of double-sided display wrench one preferred embodiment of the present invention.
Fig. 4 closes cutaway view for Ban Shou Group of the present invention.
Fig. 5 is double-sided display wrench one a preferred embodiment sectional view of the present invention.
Fig. 6 is the preferred embodiment that is applied to ratchet spanner of the present invention.
Fig. 7 is applied to the preferred embodiment of box spanner for the present invention.
Fig. 8 is the preferred embodiment that is applied to another set of barrel spanner of the present invention.
Fig. 9 is the preferred embodiment that is applied to screwdriver of the present invention.
Figure 10 is known general electronic type show value type spanner.
Figure 11 is known general photosensitive formula electronics show value type spanner.
Figure 12 closes cutaway view for the horizontal 5-5 Group of Fig. 4 spanner of the present invention.
Figure 13 is applied to the schematic perspective view of spanner for the present invention.
The specific embodiment
Yi Xia Knot closes accompanying drawing and further specifies architectural feature of the present utility model and purpose.
In Fig. 4, Figure 12, shown in Figure 13, a kind of process and apparatus for wrench capable of displaying torque value provided by the present invention, wherein the tension force Regulations 2 of spanner 1 Nei Let one known resistance establishes an integrated element 3 in spanner 1 Two Side And and is fastened on spanner 1 central And is connected Zhang power Regulations 2 as can be known with Zhang power Regulations 2 mutual conduction power value and changes, and this integrated element 3 has display screen color light and buzzer, advising the spanner user, and reaches the purpose of its security.
In addition by the flow chart of Fig. 1, with material analysis figure shown in Figure 2 the applied principle of the present invention is described, S is an arc length in the middle of Fig. 2, l
2Be stressed unit length, C is a stress point, and after stressed, S＞δ 2, produce amount of deflection, make tension force Regulations 2 modification, change, and produce signal output through resistance bridge voltage, in like manner in garden shape such as its torsion angle of sleeve φ, be subjected to torsional moment T Time, the angle that can change also can be sent a telegraph and press to be changed and export, resistance: R, F is the application of force, and l is a length, and A is the representative unit are, ρ is a resistance coefficient, resistance R=ρ * l/A, a kind of process and apparatus for wrench capable of displaying torque value of the present invention just, it is to be directly proportional with unit length by resistance, and the variation that is inversely proportional to unit are, the resistance coefficient De Group that participates in material again becomes, and via whiston bridge circuit, makes resistance change convert output voltage to, through amplifier signal is amplified, relend by data processor, convert analog signal to digital signal, be shown in the output device end with digital signal again.
The above-mentioned the present invention of being is applied to illustrating of spanner, and use identical principle, the present invention can also be incorporated into other hand-held tools with described tension force Regulations, integrated element, implement kenel as Fig. 6 for the ratchet spanner that is applied to of the present invention, Fig. 7 is applied to the enforcement kenel that head is movable box spanner for the present invention, Fig. 8 is applied to the enforcement kenel of fixed sleeve spanner for the present invention, and figure 9 The are that the present invention is applied to screwdriver and implements kenel.
Fig. 3, Fig. 5 are the spanner embodiment of tool double-sided display value of the present invention again, also be on the spanner shank, to establish a storage tank that runs through, and integration Yuan spare The of the present invention all establishes on relative two Side faces can demonstrate the screen of numerical value, after the present invention is embedded at storage tank inside, use the wherein one side of spanner all can show its torque value arbitrarily.
The announcement of the above embodiment is non-in order to restriction the present invention in order to explanation ， And of the present invention, so the displacement of the change of numerical value or equivalence element must be subordinate to and be answered category of the present invention such as.
Claims (2)
1. process and apparatus for wrench capable of displaying torque value is characterized in that:
It is to be directly proportional with the Single bit length by resistance, and the variation that is inversely proportional to unit are, the resistance coefficient De Group that participates in material again becomes, via whiston bridge circuit, make resistance change convert output voltage to, through amplifier signal is amplified, relend by data processor, convert analog signal to digital signal, be shown in the output device end, and can show the value of exerting oneself size by output device by digital signal.
2. process and apparatus for wrench capable of displaying torque value according to claim 1 is characterized in that:
The tension force Regulations of spanner Nei Let one known resistance establishes an integrated element in spanner Two Side ， And and is fastened on the ， And of spanner central authorities and is connected the power value variation of tension force Regulations as can be known with tension force Regulations mutual conduction, and this integrated element has display screen color light and buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02122177 CN1463831A (en) | 2002-06-03 | 2002-06-03 | Process and apparatus for wrench capable of displaying torque value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02122177 CN1463831A (en) | 2002-06-03 | 2002-06-03 | Process and apparatus for wrench capable of displaying torque value |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1463831A true CN1463831A (en) | 2003-12-31 |
Family
ID=29743159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02122177 Pending CN1463831A (en) | 2002-06-03 | 2002-06-03 | Process and apparatus for wrench capable of displaying torque value |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1463831A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1843705B (en) * | 2005-04-07 | 2010-05-12 | 京都机械工具株式会社 | Torque wrench |
| CN108181038A (en) * | 2017-12-12 | 2018-06-19 | 威海北洋电气集团股份有限公司 | Torque-indicating wrench and its torque measuring method |
| CN106392958B (en) * | 2016-11-23 | 2019-08-09 | 芜湖协航测控技术有限公司 | The double end torque spanner and torque measuring method that can be used separately |
| CN110977852A (en) * | 2019-11-15 | 2020-04-10 | 西安空间无线电技术研究所 | Coaxial cable assembly dismounting electric torque wrench |
| CN112091900A (en) * | 2020-09-09 | 2020-12-18 | 广东电网有限责任公司 | Multifunctional wrench |
-
2002
- 2002-06-03 CN CN 02122177 patent/CN1463831A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1843705B (en) * | 2005-04-07 | 2010-05-12 | 京都机械工具株式会社 | Torque wrench |
| CN106392958B (en) * | 2016-11-23 | 2019-08-09 | 芜湖协航测控技术有限公司 | The double end torque spanner and torque measuring method that can be used separately |
| CN108181038A (en) * | 2017-12-12 | 2018-06-19 | 威海北洋电气集团股份有限公司 | Torque-indicating wrench and its torque measuring method |
| CN110977852A (en) * | 2019-11-15 | 2020-04-10 | 西安空间无线电技术研究所 | Coaxial cable assembly dismounting electric torque wrench |
| CN112091900A (en) * | 2020-09-09 | 2020-12-18 | 广东电网有限责任公司 | Multifunctional wrench |
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| SE01 | Entry into force of request for substantive examination | ||
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |