CN216530989U - Angle sensor assembly structure - Google Patents
Angle sensor assembly structure Download PDFInfo
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- CN216530989U CN216530989U CN202123423927.0U CN202123423927U CN216530989U CN 216530989 U CN216530989 U CN 216530989U CN 202123423927 U CN202123423927 U CN 202123423927U CN 216530989 U CN216530989 U CN 216530989U
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Abstract
The utility model relates to the technical field of sensors, in particular to an angle sensor assembly structure which comprises a motor module, a sensor module and a positioning module, wherein the motor module comprises a motor end cover and a motor shaft, three radial waist-shaped holes are formed in the outer edge of the motor end cover, the sensor module comprises a sensor shell and a sensor rotor, the outer edge of the sensor shell is provided with three radial waist-shaped holes, the middle of the sensor shell is provided with a central hole, the positioning module comprises a cylinder body and a pull-out part, a first positioning module limiting device is fixedly arranged in the middle of the outer wall of the cylinder body, the pull-out part is fixedly arranged at the outer end part of the cylinder body, the cylinder body is inserted into the central hole of the sensor shell, the sensor rotor is inserted into the cylinder body, and the motor shaft is inserted into the sensor rotor and fixedly connected with the sensor rotor. The device provided by the utility model can greatly simplify the assembly procedure of the sensor and can ensure the centering effect of each part of the sensor.
Description
Technical Field
The utility model relates to the technical field of sensors, in particular to an angle sensor assembling structure. #
Background
The angle sensor is a precision measuring instrument for measuring various rotating speeds. The application range is very wide, and the method is mainly used for: the detection of rotary power equipment such as a motor, an engine, an internal combustion engine and the like, a shell of a general angle sensor is fixedly installed on a motor shell, a rotor is connected with a motor shaft and rotates in the middle of the sensor shell, the precision of the rotor and the precision of the sensor shell are very high, the use requirement can be met only by ensuring good centering, otherwise, the stability of the rotor operation is influenced, and the service life of the sensor is shortened. How to simplify the assembly procedure and ensure the centering effect between the rotor and the sensor housing is a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an angle sensor assembling structure which can greatly simplify the assembling procedure of a sensor and can ensure the centering effect of each part of the sensor.
The utility model is realized by the following technical scheme:
an angle sensor assembly structure comprises a motor module, a sensor module and a positioning module, wherein the motor module comprises a motor end cover and a motor shaft, three radial waist-shaped holes are formed in the outer edge of the motor end cover, the sensor module comprises a sensor shell and a sensor rotor, three radial waist-shaped holes are formed in the outer edge of the sensor shell, a central hole is formed in the middle of the outer edge of the sensor shell, the motor end cover and the sensor shell are fixedly connected in the waist-shaped holes through bolts, the positioning module comprises a cylinder body and a pull-out part, a first positioning module limiting device is fixedly arranged in the middle of the outer wall of the cylinder body, the pull-out part is fixedly arranged at the outer end of the cylinder body, the diameter of the inner wall of the cylinder body is equivalent to that of the outer wall of the sensor rotor, the diameter of the outer wall of the cylinder body is equivalent to that of the central hole of the sensor shell, the diameter of the inner wall of the sensor rotor is equivalent to that of the outer diameter of the motor shaft, and the cylinder body is inserted into the central hole of the sensor shell, the sensor rotor is inserted into the cylinder, and the motor shaft is inserted into the sensor rotor and is fixedly connected with the sensor rotor.
Preferably, the pull-out part is a flange which is turned outwards along the barrel.
In particular, the flange is an annular flange.
In particular, the flanges are two opposing rectangular flanges.
Further, mounting holes are respectively formed in the sensor rotor and the motor shaft, the sensor rotor and the motor shaft are connected through countersunk bolts at the mounting holes, and the outer end of the cylinder body is provided with a yielding hole extending along the cylinder body.
Further, a second positioning module limiting device is fixedly arranged at the end part of the cylinder body.
Preferably, the second positioning module limiting device is a plurality of limiting claws which are uniformly distributed and outwards turned out.
Furthermore, the upper surface and the lower surface of each limiting claw are inclined planes.
Furthermore, a groove is formed in the end face of the sensor shell, and a plurality of sensing teeth are uniformly distributed on the outer edge of the end portion of the sensor rotor.
Preferably, the positioning module body is integrally formed by plastic in an injection molding mode.
The utility model has the advantages of
The angle sensor assembly structure protected by the utility model has the following advantages:
1. the positioning module has simple structure and convenient manufacture.
2. The positioning module has low cost and can be repeatedly used.
3. The assembly procedure of the sensor can be greatly simplified, the centering effect of each part of the sensor can be guaranteed, the rotor of the sensor can stably operate, and the accuracy of the sensor can be guaranteed.
Drawings
FIG. 1 is a schematic diagram of an explosive structure according to the present invention;
FIG. 2 is a schematic view of the assembly structure of the present invention;
FIG. 3 is a schematic structural diagram of an embodiment of a positioning module;
FIG. 4 is a schematic structural diagram of a second embodiment of a positioning module;
FIG. 5 is a schematic diagram of a positioning module according to a third embodiment;
in the figure, 1, a cylinder body, 2, a limiting convex ring, 3, a rectangular flange, 4, a relief hole, 5, a limiting step, 6, an annular flange, 7, a limiting claw, 8, a positioning module, 9, a sensor rotor, 10, a sensor shell, 11, a motor end cover, 12, a motor shaft, 13, a kidney-shaped hole, 14, a mounting hole, 15, an induction tooth, 16, a circuit board and 17 are central holes.
Detailed Description
The utility model provides an angle sensor assembly structure, its includes motor module, sensor module and orientation module 8, motor module includes motor end cover 11 and motor shaft 12, and the motor end cover outer fringe is equipped with three radial waist type hole 13, sensor module includes sensor housing 10 and sensor rotor 9, the sensor housing outer fringe is equipped with three radial waist type hole and the middle part has seted up centre bore 17, and motor end cover and sensor housing pass through bolt fixed connection in waist type hole department.
The motor end cover and the sensor shell are respectively provided with three uniformly distributed waist-shaped holes, so that initial centering between the sensor shell and the motor shell can be realized, the bolt can slide along the radial direction, and the assembly is convenient and labor-saving. Because the end cover of the motor has lower manufacturing accuracy, the existing assembly mode does not have a positioning module, but after the sensor module is assembled, the motor shaft is fixedly connected with the sensor rotor, and the motor end cover is fixedly connected with the sensor shell. And the assembly mode of this application, the centering between rotor and sensor housing and the motor shaft is irrelevant with the machining error of motor end cover, makes things convenient for centering and precision to be higher more.
The positioning module comprises a barrel body and a pulling-out part, wherein a first positioning module limiting device is fixedly arranged in the middle of the outer wall of the barrel body, the first positioning module limiting device can be a limiting convex ring 2 integrally formed with the barrel body, and the first positioning module limiting device can also be a limiting step 5 for axially limiting the positioning module.
The pull-out part is fixedly arranged at the outer end part of the cylinder body, the diameter of the inner wall of the cylinder body is equal to that of the outer wall of the sensor rotor, the diameter of the outer wall of the cylinder body is equal to that of the central hole of the sensor shell, the diameter of the inner wall of the sensor rotor is equal to that of the outer diameter of the motor shaft, the cylinder body is inserted into the central hole of the sensor shell, the sensor rotor is inserted into the cylinder body, and the motor shaft is inserted into the sensor rotor and fixedly connected with the sensor rotor.
Through setting up a orientation module, can be in the same place with gapped sensor housing and sensor rotor in the middle of linking, realize fine centering to the motor shaft also can realize well centering with sensor rotor.
Preferably, the pull-out part is a flange which is turned outwards along the cylinder, the manufacturing is simpler, and the positioning module is pulled out from between the sensor shell and the rotor after the assembly is finished.
Specifically, the flange is annular flange 6, further makes things convenient for after the assembly to pull out orientation module from between sensor housing and the rotor.
Specifically, the flange is two relative rectangle flanges 3, and the rectangle is convenient more laborsaving when making the orientation module take out.
Further, mounting holes 14 are respectively formed in the sensor rotor and the motor shaft, the sensor rotor and the motor shaft are connected through countersunk bolts in the mounting holes, the outer end of the cylinder is provided with a stepping hole 4 extending along the cylinder, when the rotor of the sensor and the motor rotating shaft are fixedly connected through the countersunk bolts, the stepping hole is formed, the sensor rotor and the motor shaft are convenient to fix, and the countersunk bolts are used for facilitating the smooth pulling out of the positioning module after the assembly is finished.
Further, the end portion of the barrel is fixedly provided with a second positioning module limiting device, the middle portion and the end portion of the barrel are provided with limiting devices, the second positioning module limiting device can play an axial limiting role, the end portion of the barrel is provided with the second positioning module limiting device, axial limiting can be achieved, radial limiting can be achieved, and centering effect is further guaranteed.
Optimized, the second positioning module limiting device is a plurality of uniformly distributed limiting claws 7 which are turned outwards, so that the positioning module can be conveniently limited and pulled out from the position between the sensor shell and the rotor.
Furthermore, the upper surface and the lower surface of each limiting claw are inclined planes, so that the limiting claws become thinner from inside to outside, and the positioning module can be conveniently installed in or pulled out, as shown in fig. 5.
Furthermore, a groove is formed in the end face of the sensor shell, a plurality of sensing teeth 15 are evenly distributed on the outer edge of the end portion of the sensor rotor, the sensing teeth are tightly attached to the groove during assembly, the sensing teeth play a role in mounting and limiting the sensor rotor, and when the rotor rotates, the circuit board 16 mounted on the sensor shell can change the sensing angle.
Optimized, the positioning module body is formed by plastic integrated injection molding, the positioning module is convenient and fast to process and manufacture, the whole structure is stable and durable, the positioning module can be repeatedly used, and the cost is lower.
When the angle sensor assembling structure is assembled, the positioning module cylinder penetrates through the center hole of the sensor shell 10 until the sensor shell is attached to the first positioning module limiting device, the sensor rotor 9 penetrates into the positioning module cylinder from the other side, the waist-shaped hole between the sensor shell and the electronic end cover is aligned and then a screw is inserted, the motor rotating shaft 12 penetrates into the sensor rotor, the motor rotating shaft and the sensor rotor are fixed in a bolt or welding mode, and then the screw between the sensor shell and the motor end cover 11 is screwed tightly to complete the assembly. And finally, the pulling part is held to pull out the positioning module from the position between the sensor shell and the sensor rotor.
Because the diameter of the inner wall of the cylinder body of the positioning module is equivalent to the diameter of the outer wall of the sensor rotor, the diameter of the outer wall of the cylinder body is equivalent to the central aperture of the sensor shell, the diameter of the inner wall of the sensor rotor is equivalent to the outer diameter of the motor shaft, and the outer edge of the motor end cover and the sensor shell are provided with three radial waist-shaped holes, during installation, a good centering effect between the sensor rotor and the sensor shell as well as between the sensor rotor and the motor shaft can be realized, the positioning module is simple in structure, convenient to manufacture, low in cost and capable of being repeatedly used, and the assembly procedure of the sensor is greatly simplified.
In conclusion, the angle sensor assembling structure protected by the utility model can greatly simplify the assembling procedure of the sensor and can ensure the centering effect of each part of the sensor.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An angle sensor assembling structure characterized in that: the sensor comprises a motor module, a sensor module and a positioning module, wherein the motor module comprises a motor end cover and a motor shaft, three radial waist-shaped holes are formed in the outer edge of the motor end cover, the sensor module comprises a sensor shell and a sensor rotor, three radial waist-shaped holes are formed in the outer edge of the sensor shell, a central hole is formed in the middle of the sensor shell, the motor end cover and the sensor shell are fixedly connected at the waist-shaped holes through bolts, the positioning module comprises a cylinder body and a pull-out part, a first positioning module limiting device is fixedly arranged in the middle of the outer wall of the cylinder body, the pull-out part is fixedly arranged at the outer end of the cylinder body, the diameter of the inner wall of the cylinder body is equivalent to that of the outer wall of the sensor rotor, the diameter of the outer wall of the cylinder body is equivalent to that of the central hole of the sensor shell, the diameter of the inner wall of the sensor rotor is equivalent to that of the outer diameter of the motor shaft, the cylinder body is inserted into the central hole of the sensor shell, the motor shaft is inserted into the sensor rotor and is fixedly connected with the sensor rotor.
2. An angle sensor fitting structure according to claim 1, wherein: the pull-out part is a flange which is turned out outwards along the cylinder body.
3. An angle sensor fitting structure according to claim 2, wherein: the flange is an annular flange.
4. An angle sensor fitting structure according to claim 2, wherein: the flanges are two opposing rectangular flanges.
5. An angle sensor fitting structure according to claim 3 or 4, wherein: the sensor rotor and the motor shaft are respectively provided with a mounting hole, the sensor rotor and the motor shaft are connected through a countersunk bolt in the mounting hole, and the outer end part of the cylinder body is provided with a yielding hole extending along the cylinder body.
6. An angle sensor fitting structure according to claim 1, wherein: and a second positioning module limiting device is fixedly arranged at the end part of the cylinder body.
7. An angle sensor fitting structure according to claim 6, wherein: the second positioning module limiting device is a plurality of limiting claws which are uniformly distributed and outwards turned out.
8. An angle sensor fitting structure according to claim 7, wherein: the upper surface and the lower surface of each limiting claw are inclined planes.
9. An angle sensor fitting structure according to claim 1, wherein: the end face of the sensor shell is provided with a groove, and a plurality of sensing teeth are uniformly distributed on the outer edge of the end part of the sensor rotor.
10. An angle sensor fitting structure according to claim 1, wherein: the positioning module body is formed by plastic through integral injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123423927.0U CN216530989U (en) | 2021-12-31 | 2021-12-31 | Angle sensor assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123423927.0U CN216530989U (en) | 2021-12-31 | 2021-12-31 | Angle sensor assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216530989U true CN216530989U (en) | 2022-05-13 |
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ID=81514159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123423927.0U Active CN216530989U (en) | 2021-12-31 | 2021-12-31 | Angle sensor assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216530989U (en) |
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2021
- 2021-12-31 CN CN202123423927.0U patent/CN216530989U/en active Active
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