CN207487858U - A kind of torsion sensor main body and torsion sensor - Google Patents
A kind of torsion sensor main body and torsion sensor Download PDFInfo
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- CN207487858U CN207487858U CN201721624597.2U CN201721624597U CN207487858U CN 207487858 U CN207487858 U CN 207487858U CN 201721624597 U CN201721624597 U CN 201721624597U CN 207487858 U CN207487858 U CN 207487858U
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- torsion sensor
- main body
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- 239000011888 foil Substances 0.000 claims abstract description 64
- 239000011521 glass Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
- 239000004568 cement Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 3
- 239000006060 molten glass Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model is related to sensor technical fields, provide a kind of torsion sensor main body, including upper connector, lower connector and the beam for being connected with each other the lower connector of part upper connector and part；One of upper connector and lower connector are installed to a fixture, it is another to be connected to the object for applying torsion, make upper connector that connector can be descended to twist relatively and deform upon foil gauge, the position that upper connector connects with beam is provided with the first axially extending hole slot, and the position that lower connector connects with beam is provided with the second axially extending hole slot.First hole slot of torsion sensor main body provided by the utility model and the depth and width of the second hole slot can be cut according to the range size of torsion to be measured, strong applicability.The utility model also provides a kind of torsion sensor, including above-mentioned torsion sensor main body and foil gauge；Foil gauge is fixed on beam, and changes resistance value with beam stress.
Description
Technical field
The utility model belongs to sensor technical field, more particularly to a kind of torsion sensor main body and torsion sensor.
Background technology
With development in science and technology, torsion sensor is obtained in automated machine field, robot field and medical instruments field
To extensive use.Each producer develops all kinds of different torsion sensors for this torsion sensor market, but is limited by technology
System, torsion sensor is expensive, limits the use scope of torsion sensor.
Utility model content
The purpose of this utility model is to provide a kind of torsion sensor main body, to solve torsion in the prior art
The problem of sensor cost is excessively high.
To achieve the above object, the technical solution adopted in the utility model is：A kind of torsion sensor main body, including upper company
Fitting, lower connector and the beam for being connected with each other the part upper connector and the part lower connector；
The installation of one of the upper connector and the lower connector is another to be connected to the object for applying torsion to a fixture
Body makes the upper connector relatively described lower connector twisting and can deform upon the foil gauge；
The upper connector is provided with the first axially extending hole slot with the position that the beam connects；
The lower connector is provided with the second axially extending hole slot with the position that the beam connects.
Further, the upper connector is equipped with multiple first hole slots, and the multiple first hole slot is separately positioned on described
The both sides of beam；The lower connector is equipped with multiple second hole slots, and the multiple second hole slot is separately positioned on the both sides of the beam.
Further, the multiple first hole slot is set along the circumferential uniform intervals of the upper connector, second hole
Slot is set along the lower connector circumferential direction uniform intervals.
Further, first hole slot and second hole slot face in an axial direction.
Further, the both sides of the beam are symmetrically arranged with a pair of first hole slot and a pair of second hole slot.
Further, the deep equality of the depth of first hole slot and second hole slot, the width of first hole slot
Degree is equal with the width of second hole slot.
Further, the upper connector is symmetrically arranged at least two for fixing consolidating for the object for applying torsion
Determine part, the fixing piece is connect with applying the object of torsion.
Further, the fixing piece is boss, and the boss is set to the periphery of the upper connector.
Further, the lower connector is provided with fixed disc, and the fixed disc is used to consolidate the lower connector
It is scheduled on a fixation object.
Further, the fixed disc is symmetrically arranged at least two threaded holes.
Further, the upper connector beam opposite with the lower connector is symmetrical arranged.
Further, the upper connector and the lower connector are tubular.
Further, transverse opening is equipped between the upper connector and the lower connector；The transverse opening and institute
It states the first hole slot and second hole slot is respectively communicated with.
Further, the beam is provided with mounting plane, and the mounting plane is used to install the foil gauge.
The advantageous effect of torsion sensor main body provided by the utility model is：
Upper connector and the first hole slot and the second hole slot of the setting of lower connector, the depth of the first hole slot and the second hole slot and
Width can be cut according to the range size of torsion to be measured, change the strain generated, therefore, this reality to adjust torque
The torsion sensor for applying example is applicable to different torsion ranges, strong applicability and can reduce cost.
Another object of the present invention is provides a kind of torsion sensor, including above-mentioned torsion sensor main body and strain
Piece；The foil gauge is fixed on the beam, and changes resistance value with the beam stress.
Further, the beam is provided with mounting plane；The foil gauge is fixed on the mounting plane.
Further, circuit board is further included, the circuit board is arranged in the torsion sensor main body and is answered with described
Become piece electrical connection.
Further, including two foil gauges, described two foil gauges are angled about a transverse plane of the beam
And it is symmetrical arranged.
Further, the torsion sensor main body include two beams, described two beams be symmetrically disposed on upper connector and
The side of lower connector, foil gauge described in one group is respectively equipped on described two beams, and the foil gauge is electrically connected.
Further, the foil gauge electrical connection composition Wheatstone bridge.
Further, the foil gauge is bonded in by glass cement on the beam.
The advantageous effect of torsion sensor provided by the utility model is：Foil gauge is bonded by micro- molten glass cement technology
On beam, by high temperature sintering, foil gauge is combined as a whole with beam, and the sensing deformation of foil gauge is without hysteresis phenomenon, high sensitivity,
Stability is good, and process controllability is good and is suitable for large-scale mass production, and substantially reduces the cost for making torsion sensor.
Description of the drawings
Fig. 1 is the three-dimensional structure diagram for the torsion sensor main body that the utility model embodiment provides；
Fig. 2 is the front view for the torsion sensor main body that the utility model embodiment provides；
Fig. 3 is the left view for the torsion sensor main body that the utility model embodiment provides；
Fig. 4 is the sectional view for the torsion sensor main body that the utility model embodiment provides.
Each reference numeral is in figure：
| Upper connector | 1 | First hole slot | 11 | Threaded hole | 23 |
| Lower connector | 2 | Second hole slot | 21 | Transverse opening | 31 |
| Beam | 3 | Fixing piece | 12 | Mounting plane | 32 |
| Foil gauge | 4 | Fixed disc | 22 | Circuit board | 5 |
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and advantageous effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention is further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position
System is for only for ease of description the utility model and simplifies description rather than instruction or imply that signified device or element are necessary
With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature." multiple " are meant that two or two in the description of the present invention,
More than, unless otherwise specifically defined.The specific implementation of the utility model is carried out more below in conjunction with specific embodiment
Detailed description：
Fig. 1 to Fig. 4 shows a kind of torsion sensor main body that the utility model embodiment provides.
As shown in Figure 1 to Figure 4, the utility model embodiment provide a kind of torsion sensor main body, including upper connector 1, under
The lower connector 2 in connector 2 and the beam 3 for being connected with each other upper connector 1 and lower connector 2, part upper connector 1 and part passes through
Beam 3 is connected with each other, and upper connector 1, lower connector 2 and beam 3 are made of metal material, and steel alloy or aluminium alloy can also be used
Material is made, and upper connector 1 and lower connector 2 can take two ways to be connect with applying the object of torsion, Yi Zhongshi：On
Connector 1 is fixedly connected on the object for applying torsion, and lower connector 2 is fixed on fixed object；Another kind is：Upper connector
1 is fixed on fixed object, and lower connector 2 is fixedly connected on the object for applying torsion.Upper connector 1 relatively lower can connect
Part 2 twists, and at least one set of foil gauge 4 is provided on beam 3, carried out between foil gauge 4 and beam 3 by micro- molten glass cement it is be bonded, on
Connector 1 descends connector 2 to twist relatively, and beam 3 is deformed upon by itself elongation after torsion, and the foil gauge 4 being affixed on beam 3 is similary
It deforms upon, resistance changes, and the size of torsion, upper connector 1 and 3 phase of beam can be obtained by measuring its resistance variations
There are two the positional symmetry settings connect along the first axially extending hole slot 11 of upper connector 1, the depth and width of the first hole slot 11
It can be cut according to the range size of torsion to be measured, change the strain generated, lower connector 2 and beam to adjust torque
The 3 positional symmetries settings to connect are there are two along the second axially extending hole slot 21 of lower connector 2, likewise, the second hole slot 21
Depth and width can be cut according to the range size of torsion to be measured, change the strain generated to adjust torque.
The torsion sensor main body of the present embodiment has the following technical effect that：
Upper connector 1 and the first hole slot 11 and the second hole slot 21 of the setting of lower connector 2, the first hole slot 11 and the second hole
The depth and width of slot 21 can be cut according to the range size of torsion to be measured, change answering for generation to adjust torque
Become, therefore, the torsion sensor of the present embodiment is applicable to different torsion ranges, strong applicability and can reduce cost.
Further, upper connector 1 is equipped with multiple first hole slots 11, and multiple first hole slots 11 are separately positioned on the two of beam 3
Side；Lower connector 2 is equipped with multiple second hole slots 21, and multiple second hole slots 21 are separately positioned on the both sides of beam 3.
Further, multiple first hole slots 11 are set along the circumferential uniform intervals of upper connector 1, and the second hole slot 21 is under
The circumferential uniform intervals setting of connector 2, it is circumferential for upper connector 1 and the side of the bottom surface of lower connector 2.
Further, the both sides of a beam 3 are symmetrical arranged there are two the first hole slot 11 for being abutted with beam 3, and the two of a beam 3
Side is symmetrical arranged there are two the second hole slot 21 for being abutted with beam 3, on first hole slot 11 and second hole slot 21 under along axis
To face.
Further, the both sides of beam 3 are symmetrically arranged with the first hole slot of a pair 11 and a pair of second hole slot 21.
Further, the deep equality of the depth of the first hole slot 11 and the second hole slot 21, the width of the first hole slot 11 and
The width of two hole slots 21 is equal.First hole slot 11 is identical with the size dimension of the second hole slot 21, and beam 3 is relative to 1 He of upper connector
The deformation of lower connector 2 is uniform, is more advantageous to the deformation quantity that foil gauge 4 measures beam 3, makes measurement result more accurate.
Further referring to figs. 2 and 3, upper connector 1 is symmetrically arranged at least two objects for fixed application torsion
The fixing piece 12 of body, 12 preferred quantity of fixing piece are six, and fixing piece 12 symmetrically fixes the object for applying torsion so that applies
For the object of torsion in twisting, torsion is steadily transmitted to upper connector 1, avoids torsion that error occurs in conduction.
Further, fixing piece 12 is boss, and boss is set to the periphery of upper connector 1, by the way that boss is set to
The periphery of connector 1 so that the radius of the torsion of application becomes larger, and torque becomes larger so that the deformation of beam 3 becomes larger so that measure more
It is accurate to add.Fixing piece 12 can also be set to the inside of upper connector 1, when measuring larger torsion, torque be not required to it is excessive, so as not to turn round
The excessive damage sensor main body of power, and the size of sensor main body can also reduce.
Further, fixing piece 12 is threadedly coupled with applying the object of torsion, and connection mode can also other fixation sides
Formula, such as welding, bonding or clamping.
Further, lower connector 2 is provided with fixed disc 22, and fixed disc 22 is used to lower connector 2 being fixed on one
On fixed object.
Further, fixed disc 22 is symmetrically arranged at least two threaded holes 23, and the preferred quantity of threaded hole 23 is
Six, the radius of fixed disc 22 is more than lower connector 2.
Further, upper connector 1 is symmetrical arranged with lower connector 2 with respect to beam 3.
Further, upper connector 1 and lower connector 2 are tubular.
Further, such as Fig. 4, transverse opening 31 is equipped between upper connector 1 and lower connector 2；Transverse opening and first
11 and second hole slot 21 of hole slot is respectively communicated with.
Further, such as Fig. 2, beam 3 is provided with mounting plane 32, and mounting plane is for installing foil gauge 4.
Another embodiment of the utility model provides a kind of torsion sensor, including above-mentioned sensor main body and foil gauge 4；
Foil gauge 4 is fixed on the beam 3, and changes resistance value with 3 stress of beam.
Further, beam 3 is provided with mounting plane 32；Foil gauge 4 is bonded in by glass cement on mounting plane 32.
Further, circuit board 5 is further included, circuit board 5 is arranged in torsion sensor main body and is electrically connected with foil gauge 4
It connects.
Further, lower connector 2 is provided with circuit board 5, and circuit board 5 is connect with foil gauge 4, and foil gauge 4 deforms upon
Resistance changes afterwards, and resistance variations are believed the resistance variations signal transmission of generation to circuit board 5, circuit board 5 by foil gauge 4
Number it is converted into the signal output of readable form.
Further, one group of foil gauge 4 includes two foil gauges 4, two foil gauges 4 it is angled about the beam 3 one
A transverse plane of symmetry setting.
Further, one group of foil gauge 4 includes two foil gauges 4, and two foil gauges 4 are in transverse direction of the 45° angle degree about beam 3
Center line symmetrical setting.Two foil gauges 4 are symmetrical above and below to be set at an angle on beam 3, and the torsion of application is oriented parallel to
The cross central line of beam 3, that is, foil gauge 4 and the direction of torsion are at an angle, it is preferable that foil gauge 4 is pasted in 45° angle degree
In on beam 3, the deformation quantity of foil gauge 4 is maximum, and foil gauge 4 can most measure the deformation that beam 3 is occurred by torsion, the knot of measurement
Fruit is more accurate.
Further, torsion sensor includes two beams 3, and two beams 3 are symmetrically disposed on upper connector 1 and lower connector 2
Side, be respectively equipped with one group of foil gauge 4 on two beams 3, the foil gauge 4 on two beams 3 is electrically connected.
Further, torsion sensor includes two beams 3, and two beams 3 are symmetrically disposed on upper connector 1 and lower connector 2
Side, be both provided with one group of foil gauge 4 on two beams 3, one group of foil gauge 4 includes two foil gauges 4, totally four on two beams 3
A foil gauge 4 can be made up of appropriate electric bridge the form of electrical connection so that the resistance variable occurred during 4 deformation of foil gauge is more
Greatly, the signal sent out is more clear, and the measurement of torsion is more accurate.
Further, foil gauge 4 electrical connection composition Wheatstone bridge, specifically, foil gauge 4 be resistance, four foil gauges 4
Wheatstone bridge is interconnected to form, 4 resistance value of foil gauge changes with the deformation of beam 3, and the output voltage of electric bridge has reacted torsion
Size.
The torsion sensor of the present embodiment has the following technical effect that：
Foil gauge 4 is bonded in by micro- molten glass cement technology on beam 3, and by high temperature sintering, foil gauge 4 is combined into beam 3
One, the sensing deformation of foil gauge 4 is without hysteresis phenomenon, and high sensitivity, stability is good, and process controllability is good and is suitble to extensive
Batch production substantially reduces the cost for making torsion sensor.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (21)
1. a kind of torsion sensor main body, it is characterised in that：Including upper connector, lower connector and by the part upper connector
The beam being connected with each other with the part lower connector；
One of the upper connector and the lower connector installation to a fixture, another object for being connected to application torsion make
The upper connector relatively described lower connector twisting and can deform upon the foil gauge being set on the beam,
The upper connector is provided with the first axially extending hole slot with the position that the beam connects,
The lower connector is provided with the second axially extending hole slot with the position that the beam connects.
2. torsion sensor main body as described in claim 1, it is characterised in that：The upper connector is equipped with multiple first holes
Slot, the multiple first hole slot are separately positioned on the both sides of the beam；The lower connector is equipped with multiple second hole slots, described more
A second hole slot is separately positioned on the both sides of the beam.
3. torsion sensor main body as claimed in claim 2, it is characterised in that：The multiple first hole slot is along the upper connection
The circumferential uniform intervals setting of part, second hole slot are set along the lower connector circumferential direction uniform intervals.
4. torsion sensor main body as claimed in claim 2, it is characterised in that：One first hole slot and one described
Two hole slots face in an axial direction.
5. torsion sensor main body as claimed in claim 2, it is characterised in that：The both sides of the beam are symmetrically arranged with a pair of of institute
State the first hole slot and a pair of second hole slot.
6. torsion sensor main body as described in claim 1, it is characterised in that：The depth of first hole slot and described second
The width of the deep equality of hole slot, the width of first hole slot and second hole slot is equal.
7. torsion sensor main body as described in claim 1, it is characterised in that：The upper connector is symmetrically arranged at least two
A fixing piece for being used to fix the object for applying torsion, the fixing piece are connect with applying the object of torsion.
8. torsion sensor main body as claimed in claim 7, it is characterised in that：The fixing piece is boss, and the boss is set
It is placed in the periphery of the upper connector.
9. torsion sensor main body as described in claim 1, it is characterised in that：The lower connector is provided with fixed disc,
The fixed disc is used to the lower connector being fixed on a fixation object.
10. torsion sensor main body as claimed in claim 9, it is characterised in that：The fixed disc is symmetrically arranged at least
Two threaded holes.
11. torsion sensor main body as described in claim 1, it is characterised in that：The upper connector and the lower connector
Relatively described beam is symmetrical arranged.
12. torsion sensor main body as described in claim 1, it is characterised in that：The upper connector and the lower connector
For tubular.
13. torsion sensor main body as described in claim 1, it is characterised in that：The upper connector and the lower connector
Between be equipped with transverse opening；The transverse opening is respectively communicated with first hole slot and second hole slot.
14. torsion sensor main body as described in claim 1, it is characterised in that：The beam is provided with mounting plane, the peace
Dress plane is used to install the foil gauge.
15. a kind of torsion sensor, it is characterised in that：Including the torsion sensor as described in any one of claim 1 to 13
Main body and foil gauge；The foil gauge is fixed on the beam, and changes resistance value with the beam stress.
16. torsion sensor as claimed in claim 15, it is characterised in that：The beam is provided with mounting plane；The strain
Piece is fixed on the mounting plane.
17. torsion sensor as claimed in claim 15, it is characterised in that：Circuit board is further included, the circuit board is arranged on
It is electrically connected in the torsion sensor main body and with the foil gauge.
18. torsion sensor as claimed in claim 15, it is characterised in that：Including two foil gauges, described two foil gauges
A transverse plane about the beam is angled and arranged symmetrically.
19. torsion sensor as claimed in claim 15, it is characterised in that：The torsion sensor main body includes two beams,
Described two beams are symmetrically disposed on the side of upper connector and lower connector, and strain described in one group is respectively equipped on described two beams
Piece, the foil gauge are electrically connected.
20. torsion sensor as claimed in claim 19, it is characterised in that：The foil gauge electrical connection composition favour stone electricity
Bridge.
21. the torsion sensor as described in any one of claim 16 to 20, it is characterised in that：The foil gauge passes through glass
Glue sticking is on the beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721624597.2U CN207487858U (en) | 2017-11-29 | 2017-11-29 | A kind of torsion sensor main body and torsion sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721624597.2U CN207487858U (en) | 2017-11-29 | 2017-11-29 | A kind of torsion sensor main body and torsion sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207487858U true CN207487858U (en) | 2018-06-12 |
Family
ID=62472102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721624597.2U Active CN207487858U (en) | 2017-11-29 | 2017-11-29 | A kind of torsion sensor main body and torsion sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207487858U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397789A (en) * | 2019-01-02 | 2020-07-10 | 鸿富锦精密电子(郑州)有限公司 | Torque pressure sensing device and electric screwdriver |
| CN113049070A (en) * | 2019-12-26 | 2021-06-29 | 精量电子（深圳）有限公司 | Force sensor |
| CN115901038A (en) * | 2022-11-25 | 2023-04-04 | 浙江双友物流器械股份有限公司 | Stress sensor force transmission structure and range adjusting method thereof |
-
2017
- 2017-11-29 CN CN201721624597.2U patent/CN207487858U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397789A (en) * | 2019-01-02 | 2020-07-10 | 鸿富锦精密电子(郑州)有限公司 | Torque pressure sensing device and electric screwdriver |
| CN111397789B (en) * | 2019-01-02 | 2023-12-29 | 鸿富锦精密电子(郑州)有限公司 | Torsion pressure sensing device and electric screwdriver |
| CN113049070A (en) * | 2019-12-26 | 2021-06-29 | 精量电子（深圳）有限公司 | Force sensor |
| CN115901038A (en) * | 2022-11-25 | 2023-04-04 | 浙江双友物流器械股份有限公司 | Stress sensor force transmission structure and range adjusting method thereof |
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