CN105881417A - Bending type digital display torque wrench - Google Patents
Bending type digital display torque wrench Download PDFInfo
- Publication number
- CN105881417A CN105881417A CN201410699154.4A CN201410699154A CN105881417A CN 105881417 A CN105881417 A CN 105881417A CN 201410699154 A CN201410699154 A CN 201410699154A CN 105881417 A CN105881417 A CN 105881417A
- Authority
- CN
- China
- Prior art keywords
- block
- power
- sensor
- gauge device
- digital display
- 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
Links
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a bending type digital display torque wrench which comprises a ratchet wheel head, a stressing rod, a handle, a digital display device, a sensor, a fixed-valve device and an adjusting wheel. The fixed-value device is arranged in the stressing rod. The handle is arranged at the tail portion of the stressing rod. The digital display device is arranged in the handle. The adjusting wheel is connected with the fixed-value device. The sensor is arranged in the stressing rod and is connected with the fixed-value device. The sensor is connected with the digital display device. The ratchet wheel head is connected with the fixed-value device. The wrench which is manufactured by adopting the above technical scheme and is capable of conducting digital display is simple and practical in design structure and high in reliability, the precision of the wrench is improved, setting of set values of a mechanical part of the torque wrench is facilitated through digital display, and operation is easy and convenient.
Description
Technical field
The present invention relates to a kind of spanner, particularly to a kind of bendable Digital Electronic Torque Wrench.
Background technology
Torque wrench is requisite instrument in maintenance of equipment and processing assembling industry, is used to tighten various bolt, it is ensured that
The positive connection of plant equipment and normal use.Preset torque spanner has predetermined torque numerical value and sound device.During use,
First set what a need the torque value upper limit, when apply moment of torsion reach setting value time, spanner can send " Ka Ta " sound or
Some angles of person's spanner junction bending, simultaneously with obvious hand-transmitted vibration, this just represents and has fastened reinforcing the most again,
Point out work.After releasing active force, each correlated parts of spanner can automatically reset.
The bendable torque wrench commonly used in the market reads data predominantly sleeve and adds secondary division indicator, should first read
Taking the scale value on master calibration, the scale value sum added on secondary scale or microdrum is measured data values, the essence of this structure
Degree is not the highest, and reading operation is the most very inconvenient.
Summary of the invention
In order to solve the problems referred to above, the present invention provides a kind of bendable Digital Electronic Torque Wrench with numerical monitor.
A kind of bendable Digital Electronic Torque Wrench in the present invention, including ratchet head, attachment screw, boosting-rod, digital display device,
Handle, sensor, gauge device and regulation wheel, wherein sensor is discoid sensor, including relatively turnable fixed grid with
Moving grid, it is characterised in that: described gauge device inside boosting-rod, described sensor be built in boosting-rod and with gauge device phase
Even, the described wheel that regulates is connected with gauge device, and the change that rotates of regulation wheel acts on the pressure on gauge device and produces sensor
Relatively rotating of fixed grid and moving grid, sensor is converted into corresponding torque value by relatively rotating, and is shown by digital display device.
In such scheme, described sensor internal produces the driving signal of the sensor with fixed skew, and will sensing
The receiving signal demodulation of device and be converted into digital signal, is multiplied by the coefficient corresponding to gauge device moment of torsion, is converted into gauge device and sets
Fixed torque value also shows.
In such scheme, described gauge device includes anti-loose spot, stop piece, pushing ram, forward block, compression spring, pressure
Power block, unloads power contiguous block, unloads power block and regulates screw, described anti-loose spot, stop piece, pushing ram, forward block, compression spring,
Pressure block, unloads power contiguous block, unloads power block and rotary shaft is sequentially connected with, and unloads and has regulation screw on power block.
In such scheme, described pressure block is connected with bearing by axle between power contiguous block with unloading, and unloads power contiguous block and the power of unloading
It is connected with bearing by axle between block, unloads and be connected by bearing between power block and rotary shaft, or described pressure block is connected with the power of unloading
It is connected by axle between block, unloads power contiguous block and be connected by axle between power block with unloading, unload power block and be joined directly together with rotary shaft.
In such scheme, also including hollow guard ring, its material is elastomeric material, and described hollow guard ring is unloading power head and adding
Between power bar.
Advantages of the present invention and having the beneficial effects that: the present invention provides a kind of bendable Digital-display torque with numerical monitor to pull
Hands.Use discoid sensor as data measuring elements, utilize digital display device to show, change original machinery scale
The display mode of formula, makes data readability directly perceived.Utilize digital display device can the error of overall machinery be corrected, make to pull
The data that hands reads have more preferable precision, have reached the feature making wrench device have readability directly perceived and higher precision.Unload power block
On regulation screw can directly regulate the precision of spanner.The design simple in construction, reliability is high with accuracy value, easy and simple to handle.
Accompanying drawing explanation
For the clearer explanation embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing skill
In art, the required accompanying drawing used is briefly described.
Fig. 1 is the structural representation of the present invention a kind of bendable Digital Electronic Torque Wrench;
Fig. 2 is the profile of the present invention a kind of bendable Digital Electronic Torque Wrench.
In figure: 1, ratchet head;2, boosting-rod;3, digital display device;4, handle;5, regulation wheel;6, fixed
Value device;6-1, unload power block;6-2, regulation screw;6-3, unload power contiguous block;6-4, pressure block;6-5, compression spring;
6-6, forward block;6-7, pushing ram;6-8, stop piece;6-9, anti-loose spot;6-10, rotary shaft;6-11, bearing;6-12、
Axle;6-13, bearing;6-14, axle;6-15, bearing;7, sensor;7-1, fixed grid;7-2, moving grid;8, attachment screw;
9, hollow guard ring etc..
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is further described.
As shown in Figure 1 and Figure 2, the present invention is a kind of bendable Digital Electronic Torque Wrench with numerical monitor, including ratchet head
1, attachment screw 8, boosting-rod 2, digital display device 3, handle 4, sensor 5, gauge device 6 and regulation wheel 5, Qi Zhongchuan
Sensor 7 is discoid sensor, including relatively turnable fixed grid 7-1 and moving grid 7-2, gauge device 6 inside boosting-rod 2,
Sensor 7 is built in boosting-rod 2 and is connected with gauge device 6, and regulation wheel 5 is connected with gauge device 6, turning of regulation wheel 5
Dynamic change acts on the pressure on gauge device 6 and produces relatively rotating of sensor 7 fixed grid 7-1 and moving grid 7-2, sensor 7
It is converted into corresponding torque value by relatively rotating, and is shown by digital display device 3.
The internal driving signal producing the sensor with fixed skew of sensor 7, and by the receiving signal demodulation of sensor
Be converted into digital signal, be multiplied by the coefficient corresponding to gauge device moment of torsion, be converted into gauge device set torque value and show.
Gauge device includes anti-loose spot 6-9, stop piece 6-8, pushing ram 6-7, forward block 6-6, compression spring 6-5, pressure
Block 6-4, unloads power contiguous block 6-3, unloads power block 6-1 and regulation screw 6-2, described anti-loose spot 6-9, stop piece 6-8, pushing ram
6-7, forward block 6-6, compression spring 6-5, pressure block 6-4, unload power contiguous block 6-3, unloads power block 6-1 and rotary shaft 6-10 depends on
Secondary connection, unloads and has regulation screw 6-2 on power block 6-1.
Pressure block 6-4 is connected with bearing 6-15 by axle 6-14 between power contiguous block 6-3 with unloading, unload power contiguous block 6-3 with
Unload and be connected with bearing 6-13 by axle 6-12 between power block 6-1, unload between power block 6-1 and rotary shaft 6-10 by bearing 6-11
It is connected, or described pressure block 6-4 is connected by axle between power contiguous block 6-3 with unloading, and unloads power contiguous block 6-3 and unloads power block 6-1
Between by axle be connected, unload power block 6-1 and be joined directly together with rotary shaft 6-10.
Hollow guard ring 9 is elastomeric material, is unloading between power head 6-1 and boosting-rod 2.
Pushing ram 6-7 is adjusted by regulation wheel 5, makes propelling head 6-6 be moved forward or rearward along boosting-rod axis direction,
Thus compression spring 6-5 is adjusted, reach to regulate spanner and carry out the moment required for bending, while being adjusted,
Have between the fixed grid 7-1 and moving grid 7-2 of sensor 7 and relatively rotate, regulated value is transmitted, right through digital display device 3
Numerical value is optimized process and shows.
When the moment applied on spanner reaches the moment set by spanner, unload power block 6-1 and pressure block 6-4 by the power of unloading
Contiguous block 6-3 carries out bending, reaches to unload power purpose, and spanner then passes through the elastic force of compression spring 6-5 unloading power when not working
Block 6-1, pressure block 6-4 recover with unloading power contiguous block 6-3 position.
Unload power block 6-1 and pressure block 6-4 when carrying out bending by unloading power contiguous block 6-3, unload power block 6-1 and boosting-rod 2 it
Between have gap with ensure unload the power block 6-1 movement relative with boosting-rod 2, hollow guard ring 9 can ensure to unload when spanner does not work
Between power block 6-1 and boosting-rod 2 very close to each other, also to hollow guard ring 9 being extruded during work, unload power block 6-1 simultaneously
And it is the most very close to each other between boosting-rod 2.
Claims (4)
1. a bendable Digital Electronic Torque Wrench, including ratchet head, attachment screw, boosting-rod, digital display device, handle, sensor,
Gauge device and regulation wheel, wherein sensor is discoid sensor, and including relatively turnable fixed grid and moving grid, its feature exists
In: described gauge device is inside boosting-rod, and described sensor is built in boosting-rod and is connected with gauge device, described regulation wheel
Being connected with gauge device, the change that rotates of regulation wheel acts on the pressure on gauge device and produces the phase of sensor fixed grid and moving grid
To rotation, sensor is converted into corresponding torque value by relatively rotating, and is shown by digital display device.
A kind of bendable Digital Electronic Torque Wrench the most according to claim 1, it is characterised in that: sensor internal generation has fixing
The driving signal of the sensor of phase contrast, and by the receiving signal demodulation of sensor and be converted into digital signal, it is multiplied by gauge device
Coefficient corresponding to moment of torsion, is converted into the torque value of gauge device setting and shows.
3. according to a kind of bendable Digital Electronic Torque Wrench described in claim 1,2, it is characterised in that described gauge device includes preventing
Loose spot, stop piece, pushing ram, forward block, compression spring, pressure block, unloads power contiguous block, unloads power block and regulation screw, institute
State anti-loose spot, stop piece, pushing ram, forward block, compression spring, pressure block, unload power contiguous block, unload power block and rotary shaft depends on
Secondary connection, unloads and has regulation screw on power block, and described pressure block is connected with bearing by axle between power contiguous block with unloading, and power of unloading connects
Block is connected with bearing by axle between power block with unloading, and unloads and is connected by bearing between power block and rotary shaft, or described pressure block with
Unload and be connected by axle between power contiguous block, unload power contiguous block and be connected by axle between power block with unloading, unload power block phase direct with rotary shaft
Even.
4. according to a kind of bendable Digital Electronic Torque Wrench described in claim 1,2,3, it is characterised in that: also include hollow guard ring,
Its material is elastomeric material, and described hollow guard ring is unloading between power head and boosting-rod.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410699154.4A CN105881417A (en) | 2014-11-28 | 2014-11-28 | Bending type digital display torque wrench |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410699154.4A CN105881417A (en) | 2014-11-28 | 2014-11-28 | Bending type digital display torque wrench |
Publications (1)
Publication Number | Publication Date |
---|---|
CN105881417A true CN105881417A (en) | 2016-08-24 |
Family
ID=56699108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410699154.4A Pending CN105881417A (en) | 2014-11-28 | 2014-11-28 | Bending type digital display torque wrench |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105881417A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10625405B2 (en) | 2016-09-13 | 2020-04-21 | Milwaukee Electric Tool Corporation | Powered ratcheting torque wrench |
US11453105B2 (en) | 2016-09-13 | 2022-09-27 | Milwaukee Electric Tool Corporation | Powered ratcheting torque wrench |
-
2014
- 2014-11-28 CN CN201410699154.4A patent/CN105881417A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10625405B2 (en) | 2016-09-13 | 2020-04-21 | Milwaukee Electric Tool Corporation | Powered ratcheting torque wrench |
US11453105B2 (en) | 2016-09-13 | 2022-09-27 | Milwaukee Electric Tool Corporation | Powered ratcheting torque wrench |
US11766770B2 (en) | 2016-09-13 | 2023-09-26 | Milwaukee Electric Tool Corporation | Powered ratcheting torque wrench |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5174156B2 (en) | Torque sensing unit for power tool and power tool including the torque sensing unit | |
JP5986790B2 (en) | Micrometer | |
CN203772475U (en) | Device for measuring the pretension of a coupling part | |
CN103171733B (en) | A kind of electrical bicycle middle shaft moment sensor | |
CN106248404B (en) | The characterization of stick slip behavior in steering system | |
CN104870959B (en) | The method and apparatus that the clamping force in bolt is estimated using ultrasonic measurement | |
EP2757358A3 (en) | Torque-measuring hub, system for measuring power and cycle wheel provided with such a hub or such a measurement system and method using such a hub | |
WO2009039497A3 (en) | Residual torque analyzer | |
US20150177022A1 (en) | Method for Determining a Rotational Angle Position and/or a Rotational Speed | |
US9090300B2 (en) | Bicycle-use measuring apparatus and control method | |
CN102735387B (en) | Static torque precise testing device and torque testing method using same | |
KR20140022820A (en) | Power wrench with a torque sensing unit | |
CN105818089B (en) | Accurate constant torque wrench | |
CN105881417A (en) | Bending type digital display torque wrench | |
CN202547846U (en) | Comprehensive calibrator for torque and rotary angles | |
CN108603347A (en) | It is screwed machine | |
JP2018505816A (en) | Pedal drive vehicle crank | |
CN103743508B (en) | Torsional moment test macro and torque sensor device thereof | |
TWM417320U (en) | Torque detection mechanism of electrical bicycle | |
CN106240625B (en) | Tooth sector reversely levy by dull psophometer | |
JP5771395B2 (en) | Power nutrunner with power transmission means and rotation sensing means, and method for measuring state | |
CN103308225A (en) | Clutch driven plate torque detection device | |
US20190175986A1 (en) | Systems and methods for power meter calibration | |
CN103033428A (en) | Digital display Barcol hardness gauge | |
CN203287140U (en) | Pretightening force measuring mechanism |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160824 |