CN207423416U - Axis torsion photosensor structure - Google Patents
Axis torsion photosensor structure Download PDFInfo
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- CN207423416U CN207423416U CN201721156285.3U CN201721156285U CN207423416U CN 207423416 U CN207423416 U CN 207423416U CN 201721156285 U CN201721156285 U CN 201721156285U CN 207423416 U CN207423416 U CN 207423416U
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- axis
- breast board
- torsion
- interior
- sleeve
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Abstract
The utility model discloses a kind of axis torsion photosensor structures, include axis, torsion sleeve is arranged on axis, the inner termination of torsion sleeve is fixedly connected with axis, the external end head of torsion sleeve is equipped with chain wheel and can simultaneously be relatively rotated with axis, and axle sleeve is equipped with wiring board；Inner ring fence is arranged on the front axis of the inner termination of torsion sleeve, inner ring outer casing of fence sets outer ring fence, the tail end of outer ring fence is fixedly connected with the tail end of torsion sleeve；The outer breast board overlapping of the interior breast board and outer ring fence of inner ring fence, inside and outside breast board leave gap along the radial direction of axis；Correlation photoelectric sensor is set on wiring board, when for sensing torsion sleeve torsional deformation occurs under stress for correlation photoelectric sensor, the variation in gap between interior breast board and outer breast board.The utility model overall structure is simple, and cost is relatively low and stability is good.
Description
Technical field
The utility model is related to sensor more particularly to a kind of axis torsion photosensor structures.
Background technology
Torsion sensor is for various rotations or non-rotary mechanical component to be carried out with the dress of torsional moment perception and detection
It puts, the physical change of torsion can be converted into accurate electric signal.Existing axis torsion sensor structure is usually will
Twist sensor is fitted on torsion deformation component, sensor and torsion deformation component concurrent deformation, complicated integral structure,
Cost is higher and is short of stability.
Utility model content
The technical problems to be solved in the utility model is, in view of the deficiencies of the prior art, provides a kind of axis torsion light
Electric transducer structure.
To solve the above problems, the utility model adopts the following technical solution.
A kind of axis torsion photosensor structure, includes axis, and axis both ends are installed on crank, the axis respectively
On be arranged with torsion sleeve, the inner termination of the torsion sleeve is fixedly connected with axis, and the external end head of the torsion sleeve is equipped with chain wheel
And can be relatively rotated with axis, the tail end of torsion sleeve and the other end of axis are respectively equipped with left and right bearing, divide on left and right bearing
Not She You left and right tooth bowl, axle sleeve is equipped between left and right tooth bowl, axle sleeve is equipped with wiring board；Before the inner termination of the torsion sleeve
Inner ring fence is arranged on square axis, the inner ring outer casing of fence sets outer ring fence, the tail end of outer ring fence and the tail end of torsion sleeve
It is fixedly connected；The outer breast board overlapping of the interior breast board and outer ring fence of inner ring fence, inside and outside breast board leave along the radial direction of axis
Gap；The wiring board is arranged in front of inner ring fence and is vertically set on axis；Correlation photoelectric sensor is set on wiring board,
When for sensing torsion sleeve torsional deformation occurs under stress for the correlation photoelectric sensor, stitched between interior breast board and outer breast board
The variation of gap.Further, inside and outside breast board is even number and its quantity is consistent；Inside and outside breast board is right respectively there are two to positive breast board
Just interior breast board and just outer breast board central alignment is overlapped, to just interior breast board and to the center of just outer breast board respectively positioned at passing through axis
The both ends of one center line, and except the plate body to other breast boards in addition to positive breast board is in the same size, one-to-one portion between plate body
Divide overlapping and opposite center line is symmetrical.
Further, to just interior breast board and to just outer breast board opposite center line symmetrical setting respectively, interior breast board and outer breast board it
Between it is consistent before torsion sleeve deforms deformation along the gap size of axis radial direction, and the interval between each gap is also consistent.
Further, the interior breast board end of inner ring fence and the alignment of the outer breast board end of outer ring fence are set, inside and outside breast board
The axis parallel of direction and axis is set.
Further, pin hole is set on the endoporus tail end side wall of torsion sleeve, it is interior heavy to be set on axis corresponding with the pin hole
Hole, the two ends of a pin are arranged in respectively in pin hole and interior counterbore, and the diameter of the interior counterbore is more than the diameter of pin.
Further, the correlation photoelectric sensor is two, and symmetrical compared with the axle center of axis；The correlation light
The transmitting terminal and receiving terminal of electric transducer are located at respectively outside the circle on the inner and outer hedge column of circle of inner ring fence, correlation photoelectric sensing
The transmitting terminal and receiving terminal of device correspond.
Further, anti-rotation bowl is equipped on axle sleeve at left tooth bowl, the outer ring of anti-rotation bowl is equipped with screw thread, is installed for rotating
To frame five-through, the inner ring of anti-rotation bowl is equipped with the inner groovy parallel with axis axial line, and axle sleeve left end outer ring is equipped with anti-skidding
Muscle, the anti-skidding muscle is in inner groovy and the quantity of anti-skidding muscle is less than the quantity of inner groovy.
Further, it is equipped with a sliding bearing between the endoporus and axis of torsion sleeve installation chain wheel position.
Further, the corresponding location mid-shaft in the left side of left bearing is equipped with an annular groove, and snap ring is housed in annular groove.
Further, certain gap is retained between the end face of left tooth bowl and left bearing, a spring shim is equipped between gap.
Axis torsion photosensor structure disclosed in the utility model, using correlation photoelectric sensor sense in hedge
Between the interior breast board on column and the outer breast board of outer ring fence under torsion sleeve stress and deformation state gap variation, and then obtain torsion
Value, the utility model overall structure is simple, and cost is relatively low and stability is good.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of the utility model chain wheel axle torsion photosensor structure；
Fig. 2 is the B-B schematic cross-sectional views of Fig. 1；
Fig. 3 is the schematic diagram that gap changes under torsion sleeve stress and deformation state between interior breast board and outer breast board in Fig. 2；
Fig. 4, which becomes larger and becomes smaller for the gap of interior breast board and outer breast board, locates photoelectric sensing signal schematic representation；
The signal schematic representation that Fig. 5 by the photoelectric sensing signal in Fig. 4 obtain after difference processing；
Fig. 6 is the C-C schematic cross-sectional views of Fig. 1；
Fig. 7 is structure diagrams of the Fig. 6 when suffered torsion reaches capacity；
Fig. 8 is the A-A schematic cross-sectional views of Fig. 1.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawings and examples.
The utility model discloses a kind of axis torsion photosensor structures, with reference to shown in Fig. 1 to Fig. 8, include
Axis 1,1 both ends of axis are installed on crank 2 respectively, and torsion sleeve 3, inner termination 31 and the axis 1 of torsion sleeve 3 are arranged on axis 1
It is fixedly connected, the external end head of torsion sleeve 3 is equipped with chain wheel 4 and can be relatively rotated with axis 1, the tail end of torsion sleeve 3 and axis 1
The other end is respectively equipped with left and right bearing 51,52, and left and right tooth bowl 61,62, left and right tooth bowl are respectively equipped on left and right bearing 51,52
61st, axle sleeve 7 is equipped between 62, axle sleeve 7 is equipped with wiring board 8；Inner ring is arranged on the front axis 1 of the inner termination 31 of torsion sleeve 3
Fence 9, inner ring fence 9 are arranged outer ring fence 10 outside, and the tail end 101 of outer ring fence 10 is fixedly connected with the tail end of torsion sleeve 3；It is interior
The interior breast board 91 on hedge column 9 and the outer breast board 101 of outer ring fence 10 are overlapped, radial direction of the inside and outside breast board 91,101 along axis
Leave gap；Wiring board 8 is arranged on 9 front of inner ring fence and is vertically set on axis 1；Correlation photoelectric transfer is set on wiring board 8
Sensor 12, when for sensing torsion sleeve 3 torsional deformation occurs under stress for correlation photoelectric sensor 12, interior breast board 91 and outer column
The variation in gap between plate 101.When riding, 2 driver under stress axis 1 of crank rotates, and axis 1 drives torsion sleeve 3, torsion sleeve 3
Band 4 drive chain of movable chain wheel, at this moment torsion sleeve 3 be distorted in the case of stress deformation, during 3 torsional deformation of torsion sleeve, it is interior,
Gap size between outer breast board 91,101 changes, and penetrates formula photoelectric sensor 12 and senses between inside and outside breast board 91,101
Gap size changes and through 8 output photoelectric transducing signal of circuit board, and then detects suffered torque and legpower.
In said program, inside and outside breast board 91,101 is even number and its quantity is consistent；Inside and outside breast board 91,101 is distinguished
There are two to positive breast board, it is overlapped to just interior breast board 911 and to just outer 1011 central alignment of breast board, to just interior breast board 911 and to just
The center of outer breast board 1011 is located at the both ends by 1 one center line 11 of axis respectively, and except to other breast boards in addition to positive breast board
Plate body is in the same size, partly overlap correspondingly between plate body and opposite center line 11 is symmetrical.It is corresponding based on other breast boards
Partly overlap and opposite center line 11 is symmetrical, then in the inside and outside breast board 91,101 in 11 both sides of center line institute's shape after by deformation under torsion
Into gap become larger for one side, opposite side becomes smaller, as shown in figure 3, correlation photoelectric sensor 12 becomes larger and become your pupil because of gap
Into different photoelectric sensing signals, as shown in figure 4, after carrying out difference processing to the photoelectric sensing signal, signal after difference is generated, such as
Shown in Fig. 5, to torque and legpower data can be obtained after differential signal processing.
Preferably, to just interior breast board 911 and to just outer breast board 1011, opposite center line 11 is symmetrical arranged respectively, interior breast board 91
It is consistent before torsion sleeve 3 deforms deformation along the gap size of 1 radial direction of axis between outer breast board 101, and between each gap
Interval it is also consistent.
Preferably, 91 end of interior breast board of inner ring fence 9 and the alignment of 101 end of outer breast board of outer ring fence 10 are set, interior,
The direction of outer breast board 91,101 is set with the axis parallel of axis 1.
Preferably, pin hole 33 is set on the endoporus tail end side wall of torsion sleeve 3, in being set on 33 corresponding axis 1 of pin hole
Counterbore 18, the two ends of a pin 13 are arranged in respectively in pin hole 33 and interior counterbore 18, and the diameter of interior counterbore 18 is more than pin
13 diameter.As shown in Figure 6, Figure 7, when 3 stress of torsion sleeve is deflected into limiting value with respect to axis 1, pin 13 is in shown in Fig. 7
Position prevents the overload of torsion sleeve 3 from causing permanent deformation.
Preferably, correlation photoelectric sensor 12 is two, and symmetrical compared with the axle center of axis 1；Correlation photoelectric transfer
The transmitting terminal 121 and receiving terminal 122 of sensor 12 are located at respectively outside the circle on the inner and outer hedge column 10 of circle of inner ring fence 9, correlation
The transmitting terminal 121 and receiving terminal 122 of photoelectric sensor 12 correspond.Two correlation photoelectric sensors 12 be collected simultaneously in,
The photoelectric sensing signal that gap between outer breast board 91,101 becomes larger and becomes smaller, for difference processing.
Preferably, anti-rotation bowl 63 is equipped on axle sleeve 7 at left tooth bowl 61, the outer ring of anti-rotation bowl 63 is equipped with screw thread, is used for
In rotation installation to frame five-through, the inner ring of anti-rotation bowl 63 is equipped with the inner groovy 631 parallel with 1 axial line of axis, and axle sleeve 7 is left
Outer ring is held to be equipped with anti-skidding muscle 71, anti-skidding muscle 71 is in inner groovy 631 and the quantity of anti-skidding muscle 71 is less than the number of inner groovy 631
Amount can prevent 7 turning handle outlet of axle sleeve from twisting disconnected, be also prevented from twisting left tooth bowl 61 and twisting outlet breaking, as shown in Figure 8
Preferably, torsion sleeve 3, which is installed, is equipped with a sliding bearing 17 between the endoporus of 4 position of chain wheel and axis 1, make torsion sleeve
It opposite can be slided between 3 and axis 1 and avoid lateral pressure, prevent 3 radial deformation of torsion sleeve from generating friction with axis 1.
Preferably, corresponding 1 position of axis in the left side of left bearing 51 is equipped with an annular groove 14, and card is housed in annular groove 14
Ring 15 prevents the abjection of opposite axis 1.
Preferably, certain gap is retained between the end face of left tooth bowl 61 and left bearing 51, a spring is equipped between gap
Gasket 16, to prevent five logical length from not causing the vibration of axis 1 for the moment.
The above is the utility model preferred embodiment, is not intended to limit the utility model, all in this practicality
Modification, equivalent substitution or improvement made in new technical scope etc., should be included in the model that the utility model is protected
In enclosing.
Claims (10)
1. a kind of axis torsion photosensor structure includes axis, axis both ends are installed on crank respectively, and feature exists
In being arranged with torsion sleeve on the axis, the inner termination of the torsion sleeve is fixedly connected with axis, the external end head of the torsion sleeve
Being equipped with chain wheel can simultaneously relatively rotate with axis, and the tail end of torsion sleeve and the other end of axis are respectively equipped with left and right bearing, left,
Left and right tooth bowl is respectively equipped on right bearing, axle sleeve is equipped between left and right tooth bowl, axle sleeve is equipped with wiring board；The torsion sleeve
Inner ring fence is arranged on the front axis of inner termination, the inner ring outer casing of fence sets outer ring fence, the tail end of outer ring fence and torsion
The tail end of power set is fixedly connected；The outer breast board overlapping of the interior breast board and outer ring fence of inner ring fence, footpath of the inside and outside breast board along axis
Gap is left to direction；The wiring board is arranged in front of inner ring fence and is vertically set on axis；Correlation is set on wiring board
Photoelectric sensor, when torsional deformation under stress occurs for sensing torsion sleeve for the correlation photoelectric sensor, interior breast board with
The variation in gap between outer breast board.
2. axis torsion photosensor structure according to claim 1, which is characterized in that inside and outside breast board for even number and
Its quantity is consistent；Inside and outside breast board is right to just interior breast board and to just outer breast board central alignment overlapping respectively there are two to positive breast board
Just interior breast board and it is located at the both ends by one center line of axis respectively to the center of just outer breast board；And except to other in addition to positive breast board
The plate body of breast board is in the same size, partly overlap correspondingly between plate body and opposite center line is symmetrical.
3. axis torsion photosensor structure according to claim 2, which is characterized in that just interior breast board and to just outer column
With respect to center line symmetrical setting, shape is deformed between interior breast board and outer breast board respectively along the gap size of axis radial direction in torsion sleeve for plate
It is consistent before becoming, and the interval between each gap is also consistent.
4. axis torsion photosensor structure according to claim 3, which is characterized in that the interior breast board end of inner ring fence
It aligns and sets with the outer breast board end of outer ring fence, the direction of inside and outside breast board and the axis parallel of axis are set.
5. axis torsion photosensor structure according to claim 1, which is characterized in that the endoporus tail end side wall of torsion sleeve
On set pin hole, set interior counterbore on axis corresponding with the pin hole, the two ends of a pin be arranged in respectively pin hole and
In interior counterbore, the diameter of the interior counterbore is more than the diameter of pin.
6. axis torsion photosensor structure according to claim 1, which is characterized in that the correlation photoelectric sensor
For two, and it is symmetrical compared with the axle center of axis；The transmitting terminal and receiving terminal of the correlation photoelectric sensor are located at interior respectively
Outside the circle on the inner and outer hedge column of circle on hedge column, the transmitting terminal and receiving terminal of correlation photoelectric sensor correspond.
7. according to any axis torsion photosensor structure in claim 1,2,3,4,5 or 6, which is characterized in that axle sleeve
Upper that anti-rotation bowl is equipped at left tooth bowl, the outer ring of anti-rotation bowl is equipped with screw thread, for rotating in installation to frame five-through, anti-rotation bowl
Inner ring be equipped with the inner groovy parallel with axis axial line, axle sleeve left end outer ring is equipped with anti-skidding muscle, and the anti-skidding muscle is embedded in interior
In groove and the quantity of anti-skidding muscle is less than the quantity of inner groovy.
8. according to any axis torsion photosensor structure in claim 1,2,3,4,5 or 6, which is characterized in that torsion
A sliding bearing is equipped between the endoporus and axis of set installation chain wheel position.
9. according to any axis torsion photosensor structure in claim 1,2,3,4,5 or 6, which is characterized in that left axle
The corresponding location mid-shaft in left side held is equipped with an annular groove, and snap ring is housed in annular groove.
10. according to any axis torsion photosensor structure in claim 1,2,3,4,5 or 6, which is characterized in that left tooth
Retain certain gap between the end face of bowl and left bearing, a spring shim is equipped between gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721156285.3U CN207423416U (en) | 2017-09-08 | 2017-09-08 | Axis torsion photosensor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721156285.3U CN207423416U (en) | 2017-09-08 | 2017-09-08 | Axis torsion photosensor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207423416U true CN207423416U (en) | 2018-05-29 |
Family
ID=62315976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721156285.3U Withdrawn - After Issue CN207423416U (en) | 2017-09-08 | 2017-09-08 | Axis torsion photosensor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207423416U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107690572A (en) * | 2017-09-08 | 2018-02-13 | 深圳哥智行科技有限公司 | Axis torsion photosensor structure |
-
2017
- 2017-09-08 CN CN201721156285.3U patent/CN207423416U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107690572A (en) * | 2017-09-08 | 2018-02-13 | 深圳哥智行科技有限公司 | Axis torsion photosensor structure |
| CN107690572B (en) * | 2017-09-08 | 2019-12-31 | 深圳一哥智行科技有限公司 | Center shaft torsion photoelectric sensor structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180529 Effective date of abandoning: 20191231 |
|
| AV01 | Patent right actively abandoned |