IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0946003
(2010-11-15)
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등록번호 |
US-8393231
(2013-03-12)
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발명자
/ 주소 |
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출원인 / 주소 |
- Legend Lifestyle Products Corp.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
1 인용 특허 :
11 |
초록
▼
A multifunctional torque tool detection device includes at least one connection body, at least one tool joint bar, at least one signal ring assembly, a toque detection device, an angle sensor, a plurality of signal pick-up elements, and a displaying and processing unit. The connection body has an en
A multifunctional torque tool detection device includes at least one connection body, at least one tool joint bar, at least one signal ring assembly, a toque detection device, an angle sensor, a plurality of signal pick-up elements, and a displaying and processing unit. The connection body has an end coupled to the tool joint bar, and the tool joint bar is connected to at least one tool bit. The connection body is encased in a tool casing. The signal ring assembly is coupled between the connection body and the tool joint bar. The toque detection device and the angle sensor are attached to the connection body so that the toque detection device and the angle sensor respectively detect a torque value and an angle value applied by the tool bit in a clockwise or counterclockwise rotation operation, and generate a torque detection signal and an angle detection signal that are supplied through the signal ring assembly. The signal pick-up elements are set in contact with the signal ring assembly to pick up the torque detection signal and the angle detection signal during the rotation of the connection body. The displaying and processing unit is connected to the signal pick-up elements to receive the torque detection signal and the angle detection signal and display an actual torque and angle that the tool bit applies in an operation thereof.
대표청구항
▼
1. A multifunctional torque tool detection device, comprising: at least one connection body, which has two opposite ends each forming a coupling end and an outer circumference surface forming at least one retention section;at least one tool joint bar, which has an end coupled to one of the coupling
1. A multifunctional torque tool detection device, comprising: at least one connection body, which has two opposite ends each forming a coupling end and an outer circumference surface forming at least one retention section;at least one tool joint bar, which has an end coupled to one of the coupling ends of the connection body and an opposite end adapted to couple to at least one tool bit that performs rotation operation to a threaded fastener;at least one signal ring assembly, which is coupled between the connection body and the tool joint bar and comprises a plurality of insulation rings and a plurality of conductor rings that alternate each other so as to allow the insulation rings to insulate and isolate the conductor rings from each other;at least one toque detection device, which is attached to the retention section of the connection body to detect a torque value induced by the rotation operation performed by the tool bit at an end of the tool joint bar and converts the torque value into a torque detection signal, the toque detection device being electrically coupled to at least one of the conductor rings of the signal ring assembly to supply the torque detection signal through the conductor ring;at least one angle sensor, which is attached to the retention section of the connection body to detect an angle value at which the tool bit at the end of the tool joint bar is set and converts the angle value into an angle detection signal, the angle sensor being electrically coupled to at least one of the conductor rings of the signal ring assembly to supply the angle detection signal through the conductor ring;a plurality of signal pick-up elements, which is respectively set in contact with the conductor rings of the signal ring assembly to pick up the torque detection signal and the angle detection signal; andat least one displaying and processing unit, which comprises a circuit for digitally displaying the torque value and the angle value and displaying of operation functions, the displaying and processing unit being electrically connected to the signal pick-up elements to receive the torque detection signal supplied from the toque detection device and the angle detection signal supplied from the angle sensor so as to display the torque value and the angle value that are induced by the rotation operation of the tool bit at an end of the tool joint bar. 2. The multifunctional torque tool detection device as claimed in claim 1, wherein one of the coupling ends of the connection body is coupled to a direction switching device. 3. The multifunctional torque tool detection device as claimed in claim 2, wherein the direction switching device comprising: a fixed frame, which forms at least one bore that has an inner circumferential surface forming a plurality of teeth;a coupler, which has a lower end forming a body connection portion, which is coupled to one of the coupling ends of the connection body so as to have the coupler secured to the connection body, the coupler having an upper end forming a connection shaft that is set through the bore of the fixed frame;a direction block, which is received in the bore of the fixed frame and has an outer surface forming teeth in engagement with the teeth of the bore, the direction block forming at least one central hole;a heart-shaped spring, which is fit over the connection shaft of the coupler and has inner and outer ends respectively forming insertion pins and an apex, the insertion pins being fit into the central hole of the direction block so as to form driving coupling between the direction block and the heart-shaped spring; anda switching knob, which forms a bore fit over the connection shaft formed at the upper end of the coupler and is secured to the coupler by a nut engaging external thread formed on the connection shaft, whereby the switching knob is rotatable about the connection shaft, the switching knob having a lower end forming at least one projection, which extends into the apex of the heart-shaped spring to have the projection coupled to the heart-shaped spring, so that rotation of the switching knob in opposite directions drives the heart-shaped spring to cause circumferential shifts of the direction block in opposite directions, and thus, the connection body is selectively set in single-direction resilient torque rotation according to the direction that the switching knob is being rotated. 4. The multifunctional torque tool detection device as claimed in claim 3, wherein a connector is provided to couple between the body connection portion of the coupler and one of the coupling ends of the connection body. 5. The multifunctional torque tool detection device as claimed in claim 2, wherein one of the coupling ends of the connection body comprises a configuration of a coupler, said one of the coupling ends having an upper end forming a connection shaft, the direction switching device comprising: a fixed frame, which forms at least one bore that has an inner circumferential surface forming a plurality of teeth, the bore being fit over an outer circumference of said one of the coupling ends;a direction block, which is received in the bore of the fixed frame and has an outer surface forming teeth in engagement with the teeth of the bore, the direction block forming at least one central hole;a heart-shaped spring, which is fit over the connection shaft of the connection body and has inner and outer ends respectively forming insertion pins and an apex, the insertion pins being fit into the central hole of the direction block so as to form driving coupling between the direction block and the heart-shaped spring;a switching knob, which forms a bore in a central portion thereof and fit over the connection shaft formed on said one of the coupling ends of the connection body;a washer, which is fit over the connection shaft formed on said one of the coupling ends of the connection body and is positioned on the switching knob;a securing spring plate, which forms a bore in a central portion thereof and fit over the connection shaft formed on said one of the coupling ends of the connection body and positioned on the washer; anda locking nut, which is threadingly tightened to the connection shaft. 6. The multifunctional torque tool detection device as claimed in claim 5, wherein the securing spring plate has a surface forming a plurality of deformed portions. 7. The multifunctional torque tool detection device as claimed in claim 6, wherein the deformed portions comprise corrugation. 8. The multifunctional torque tool detection device as claimed in claim 1, wherein the connection body forms a coupling hole in each of the opposite ends thereof. 9. The multifunctional torque tool detection device as claimed in claim 1, wherein the tool joint bar comprising: an extender, which has two opposite ends respectively forming a body connection section and a tool connection section, the tool connection section forming a coupling bore for receiving an end of the tool bit to insert therein; andan adaptor, which forms at least one coupling bore that forms openings in opposite ends of the adaptor for respectively receiving one of the coupling ends of the connection body and the body connection section formed at an end of the extender to insert therein. 10. The multifunctional torque tool detection device as claimed in claim 9, wherein the coupling bore of the extender receives and retains therein at least one magnet. 11. The multifunctional torque tool detection device as claimed in 1, wherein the signal ring assembly comprises: a sleeve, which defines a central through bore having opposite openings respectively jointing an end of the connection body and an end of the tool joint bar, the sleeve having an outer circumferential wall that defines at least two axially extending retention ribs and at least two axially extending fixing grooves, each of the fixing grooves comprising a circumferentially-shifted opening;the plurality of insulation rings, each of which is made of insulation material and has an inner circumference that defines at least two fitting notches corresponding to and axially fit over the retention ribs formed on the outer circumferential wall of the sleeve;the plurality of the conductor rings, each of which is made of an electrically conductive material and has an inner circumference that defines at least two fitting notches respectively corresponding to and axially fit over the retention ribs of the sleeve, the insulation rings and the conductor rings being fit to the sleeve in an alternate manner so that the conductor rings are isolated from each other by the insulation rings; anda lock ring, which has an inner circumference that forms at least two locking blocks to be respectively fit into the openings of the two fixing grooves formed in the outer circumferential wall of the sleeve, whereby through rotation of the lock ring with respect to the sleeve, the locking blocks are moved from the openings through circumferentially extending passages into and retained in the fixing grooves. 12. The multifunctional torque tool detection device as claimed in claim 1, wherein the toque detection device comprises a strain-deformation based torque sensor. 13. The multifunctional torque tool detection device as claimed in claim 1, wherein the toque detection device comprises a semiconductor based torque sensor. 14. The multifunctional torque tool detection device as claimed in claim 1, wherein the angle sensor comprises a gyro integrated circuit. 15. The multifunctional torque tool detection device as claimed in claim 1, wherein the signal pick-up elements are made of conductors. 16. The multifunctional torque tool detection device as claimed in claim 1, wherein each of the signal pick-up elements has a surface forming at least one contact tab, which is set in contact with each of the conductor rings of the signal ring assembly. 17. The multifunctional torque tool detection device as claimed in claim 1, wherein the displaying and processing unit comprises: at least one signal amplifier, which is electrically connected to the signal pick-up elements to receive and amplify the torque detection signal and the angle detection signal;at least one analog-to-digital conversion circuit, which is electrically connected to the signal amplifier to convert the torque detection signal and the angle detection signal that have been amplified by the signal amplifier into digital torque value data and digital angle value data;at least one microprocessor, which is electrically connected to the analog-to-digital conversion circuit to receive the torque value data and the angle value data supplied from the analog-to-digital conversion circuit, the microprocessor providing functions of temporal storage of the torque value data and the angle value data and control and operation of displaying;at least one display interface, which is electrically connected to the microprocessor to receive and convert the torque value data and the angle value data into a torque value displaying signal and angle value displaying signal;at least one display, which is electrically connected to the display interface to receive, process, and display the torque value displaying signal and the angle value displaying signal;at least one pushbutton set, which is electrically connected to the microprocessor to provide instructions associated with displaying operation to the microprocessor; andat least one power unit, which supplies working power to the analog-to-digital conversion circuit, the microprocessor, the display interface, the display, and the pushbutton set. 18. The multifunctional torque tool detection device as claimed in claim 17, wherein the display comprises a liquid crystal display. 19. The multifunctional torque tool detection device as claimed in claim 17, wherein the power unit comprises a direct current battery. 20. The multifunctional torque tool detection device as claimed in claim 17, wherein the power unit comprises an alternate/direct current rectifier. 21. The multifunctional torque tool detection device as claimed in claim 17, wherein the power unit comprises an alternate/direct current rectifier. 22. The multifunctional torque tool detection device as claimed in claim 17, wherein the microprocessor is electrically connected to a wireless transmitter module. 23. The multifunctional torque tool detection device as claimed in claim 17, wherein the microprocessor is electrically connected to a communication interface module. 24. The multifunctional torque tool detection device as claimed in claim 1, wherein the displaying and processing unit comprises: at least one signal amplifier, which is electrically connected to the signal pick-up elements to receive and amplify the torque detection signal and the angle detection signal;at least one analog-to-digital conversion circuit, which is electrically connected to the signal amplifier to convert the torque detection signal and the angle detection signal that have been amplified by the signal amplifier into digital torque value data and digital angle value data;at least one microprocessor, which is electrically connected to the analog-to-digital conversion circuit to receive the digital torque value data and the digital angle value data supplied from the analog-to-digital conversion circuit, the microprocessor providing functions of temporal storage of the torque value data and the angle value data and control and operation of displaying, setting of reference thresholds of torque and angle, alarming on exceeding of the thresholds, and ON/OFF control of auxiliary lighting;at least one display interface, which is electrically connected to the microprocessor to receive and convert the torque value data and the angle value data into a torque value displaying signal and an angle value displaying signal;at least one display, which is electrically connected to the display interface to receive, process, and display the torque value displaying signal and the angle value displaying signal;at least one pushbutton set, which is electrically connected to the microprocessor to provide instructions associated with displaying operation to the microprocessor;at least one power unit, which supplies working power to the analog-to-digital conversion circuit, the microprocessor, the display interface, the display, and the pushbutton set;a backlight plate, which is electrically connected to the microprocessor to serve as a back light source to the display;at least one vibration alarm device, at least one sound alarm device, and at least one lighting alarm device, which are respectively connected to the microprocessor, whereby when the microprocessor receives a detection of the torque value and angle value exceeding the thresholds, the microprocessor activates the vibration alarm device, the sound alarm device, and the lighting alarm device individually to respectively issue vibration alarms, sound alarms, and light alarms; andat least auxiliary lighting device, which is electrically connected to the microprocessor and the power unit, whereby when an instruction is issued through the pushbutton set to the microprocessor, the microprocessor controls lighting ON/OFF states of the auxiliary lighting device. 25. The multifunctional torque tool detection device as claimed in claim 24, wherein the microprocessor is electrically connected to a wireless transmitter module. 26. The multifunctional torque tool detection device as claimed in claim 24, wherein the microprocessor is electrically connected to a communication interface module. 27. The multifunctional torque tool detection device as claimed in claim 24, wherein the display comprises a liquid crystal display. 28. The multifunctional torque tool detection device as claimed in claim 24, wherein the power unit comprises a direct current battery. 29. The multifunctional torque tool detection device as claimed in claim 24, wherein the power unit comprises an alternate/direct current rectifier. 30. The multifunctional torque tool detection device as claimed in claim 24, wherein the vibration alarm device comprises a vibration motor. 31. The multifunction torque tool detection device as claimed in claim 24, wherein the sound alarm device comprises a buzzer. 32. The multifunctional torque tool detection device as claimed in claim 24, wherein the lighting alarm device comprises a light-emitting diode. 33. The multifunctional torque tool detection device as claimed in claim 24, wherein the auxiliary lighting device comprises a high brightness light-emitting diode. 34. The multifunctional torque tool detection device as claimed in claim 1, wherein the connection body, the tool joint bar, the signal ring assembly, the toque detection device, the angle sensor, the signal pick-up elements, and the displaying and processing unit are encased and retained inside mated tool casing members.
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