CN222464380U - Encoder, mounting structure and mounting tool thereof and motor module - Google Patents
Encoder, mounting structure and mounting tool thereof and motor module Download PDFInfo
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- CN222464380U CN222464380U CN202420269564.4U CN202420269564U CN222464380U CN 222464380 U CN222464380 U CN 222464380U CN 202420269564 U CN202420269564 U CN 202420269564U CN 222464380 U CN222464380 U CN 222464380U
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- 230000009286 beneficial effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
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Abstract
The utility model provides an encoder, a mounting structure thereof, a mounting tool and a motor module, wherein the encoder comprises a mounting bracket, the mounting bracket comprises a first mounting part and a second mounting part which are mutually connected, the first mounting part is used for mounting a magnetic ring, the second mounting part is suitable for being sleeved on a motor shaft, and at least one of the first mounting part and the second mounting part is provided with a first clamping structure for being matched with the encoder mounting tool in a clamping way. Simultaneously, the mounting bracket is provided with a first clamping structure which can be clamped with an encoder mounting tool, and the mounting tool can provide lengthening moment, so that the second mounting part is conveniently sleeved on the motor shaft for mounting, the mounting process is more convenient and labor-saving, and the mounting efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of robots, in particular to an encoder, an installation structure, an installation tool and a motor module thereof.
Background
Encoders often need to be fixed at some specific location on the machine, and during the fixing of the encoders it is also necessary to ensure that they are properly installed to ensure their accuracy and reliability. In the prior art, a plurality of screws or other fastening devices are generally used for fixing the encoder to the machine component and ensuring that the encoders are aligned in the correct position, and the encoder is complex in installation process, inconvenient to install and low in installation efficiency.
Disclosure of utility model
The present utility model is directed to solving at least one of the technical problems existing in the related art. Therefore, the utility model provides an encoder mounting structure, which aims to improve the convenience of encoder mounting and is convenient to mount.
An embodiment of the second aspect of the present utility model provides an encoder.
An embodiment of the third aspect of the present utility model provides a motor module.
An embodiment of a fourth aspect of the present utility model provides an encoder installation tool.
An encoder mounting structure according to an embodiment of the first aspect of the present utility model includes:
The mounting bracket comprises a first mounting part and a second mounting part which are connected with each other, wherein the first mounting part is used for mounting the magnetic ring, and the second mounting part is suitable for being sleeved on the motor shaft;
Wherein, first installation department with at least one of them is provided with first joint structure of second installation department, first joint structure is suitable for with encoder installation frock joint cooperation.
The encoder mounting structure comprises a mounting bracket, wherein the mounting bracket comprises a first mounting part and a second mounting part which are connected with each other, the first mounting part is used for mounting a magnetic ring, the second mounting part is suitable for being sleeved on a motor shaft, and at least one of the first mounting part and the second mounting part is provided with a first clamping structure for being matched with an encoder mounting tool in a clamping mode. Simultaneously, the mounting bracket is provided with a first clamping structure which can be clamped with an encoder mounting tool, and the mounting tool can provide lengthening moment, so that the second mounting part is conveniently sleeved on the motor shaft for mounting, the mounting process is more convenient and labor-saving, and the mounting efficiency is improved.
According to the encoder mounting structure provided by the embodiment of the utility model, the number of the first clamping structures is a plurality of the first clamping structures, and the plurality of the first clamping structures are arranged along the circumferential direction of the mounting bracket.
According to the encoder mounting structure of the embodiment of the utility model, the first mounting part and the second mounting part are integrally formed.
According to the encoder mounting structure of the embodiment of the utility model, the first mounting part is provided with the mounting groove for mounting the magnetic ring, and the central axis of the mounting groove and the central axis of the second mounting part are on the same axis, or,
The mounting bracket is provided with an arc-shaped positioning part, and the arc-shaped positioning part is suitable for being abutted with the inner ring or the outer ring of the magnetic ring.
According to the encoder mounting structure provided by the embodiment of the utility model, the number of the arc-shaped positioning parts is multiple, and the multiple arc-shaped positioning parts are arranged along the circumferential direction of the mounting bracket.
According to an embodiment of the second aspect of the present utility model, there is provided an encoder comprising:
the encoder mounting structure of any of the above embodiments;
the magnetic ring is arranged in the middle of the encoder mounting structure;
And the sensor is arranged corresponding to the magnetic ring and used for detecting the rotation state of the magnetic ring.
According to an embodiment of the third aspect of the present utility model, a motor module includes:
the motor body comprises a motor shell and a motor shaft which rotate relatively;
According to the encoder of the embodiment, the sensor is mounted on the motor casing, the second mounting portion is sleeved on the motor shaft, and the magnetic ring is fixed relative to the motor shaft.
According to the motor module provided by the embodiment of the utility model, the second installation part is in threaded connection with the motor shaft.
According to the motor module of the embodiment of the utility model, the motor shaft is provided with a positioning step, the second installation part is sleeved on the motor shaft, one end of the second installation part is abutted with the positioning step, or,
One of the motor shaft and the encoder mounting structure is provided with a positioning protrusion, the other one is provided with a positioning groove matched with the positioning protrusion, the positioning protrusion is inserted into the positioning groove, and the end face of the encoder mounting structure is abutted to the end face of the motor shaft.
An encoder installation tool according to a fourth aspect of the present utility model is used for assisting in installing the encoder installation structure according to any one of the above embodiments, and includes:
The tool comprises a tool body, wherein at least one end of the tool body is provided with a second clamping structure, and the second clamping structure is suitable for being matched with the first clamping structure of the encoder mounting structure in a clamping mode.
According to the encoder installation tool provided by the embodiment of the utility model, the number of the second clamping structures is multiple, and the second clamping structures are arranged along the circumferential direction of the tool body.
According to the encoder installation tool provided by the embodiment of the utility model, the tool body is provided with the opening for being matched with the lever to rotate the tool body.
A robot according to a fifth aspect of the present utility model includes the encoder mounting structure of any one of the above embodiments, or the encoder of the above embodiment, or the motor module of any one of the above embodiments.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the related art, the drawings that are required to be used in the embodiments or the related technical descriptions will be briefly described, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.
FIG. 1 is a schematic diagram illustrating an encoder mounting structure according to an embodiment of the present utility model;
FIG. 2 is a second schematic mounting diagram of an encoder mounting structure provided by an embodiment of the present utility model;
FIG. 3 is an exploded schematic view of a mounting bracket and a magnetic ring provided by an embodiment of the present utility model;
FIG. 4 is a second schematic explosion diagram of the mounting bracket and the magnetic ring provided by the embodiment of the utility model;
FIG. 5 is an exploded view of a motor module according to an embodiment of the present utility model;
FIG. 6 is a schematic cross-sectional view of a motor module provided by an embodiment of the present utility model;
FIG. 7 is an enlarged partial schematic view at A in FIG. 6;
fig. 8 is a schematic installation view of a mounting bracket according to an embodiment of the present utility model.
Reference numerals:
100. A mounting bracket; 110, a first installation part, 120, a second installation part, 130, a first clamping structure, 140, an arc positioning part, 150, a positioning protrusion, 160, and a threaded through hole;
200. a magnetic ring;
300. a sensor;
400. The motor comprises a motor body, 410, a motor shell, 420, a motor shaft, 421, a positioning step, 422, a positioning groove, 423 and a threaded hole;
500. The fixture comprises a fixture body, 510, a second clamping structure, 520 and an opening.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In describing embodiments of the present utility model, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected," "connected," and "coupled" should be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, or indirectly connected via an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.
In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
An embodiment of the utility model provides an encoder, an installation structure thereof, an installation tool, a motor module and a robot, and is shown in fig. 1-8.
Referring to fig. 1, 2 and 5 in combination, an encoder mounting structure according to an embodiment of the present utility model includes a mounting bracket 100, where the mounting bracket 100 includes a first mounting portion 110 and a second mounting portion 120 that are connected to each other, the first mounting portion 110 is used for mounting a magnetic ring 200, and the second mounting portion 120 is adapted to be sleeved on a motor shaft 420, where at least one of the first mounting portion 110 and the second mounting portion 120 is provided with a first clamping structure 130, and the first clamping structure 130 is adapted to be in clamping fit with a second clamping structure 510 of an encoder mounting tool.
It can be appreciated that in this embodiment, the mounting bracket 100 includes a first mounting portion 110 and a second mounting portion 120, the first mounting portion 110 is used for mounting the magnetic ring 200, the second mounting portion 120 may be sleeve-shaped, and the size and shape of the second mounting portion is adapted to the size and shape of the motor shaft 420, and may be sleeved on the motor shaft 420, where by mounting the magnetic ring 200 on the first mounting portion 110 and then sleeving the second mounting portion 120 on the motor shaft 420, the relative fixation of the magnetic ring 200 and the motor shaft 420 is achieved, so that the magnetic ring 200 rotates along with the rotation of the motor shaft 420, the mounting steps are simplified, and the installation is convenient.
On the other hand, at least one of the first mounting portion 110 and the second mounting portion 120 is provided with a first clamping structure 130, the first clamping structure 130 is adapted to be in clamping fit with a second clamping structure 510 of the encoder mounting tool, and the mounting bracket 100 is provided with the first clamping structure 130 which can be clamped with the encoder mounting tool. In view of reducing the occupied space of the encoder, the encoder is generally designed to be smaller and inconvenient to install, so that the lengthened moment can be provided by using the encoder installation tool in the embodiment, the second installation part 120 is conveniently sleeved on the motor shaft 420 for installation, the installation process is more convenient and labor-saving, and the installation efficiency is improved.
In this embodiment, the mounting bracket 100 can be clamped with the encoder mounting tool, so that very accurate positioning and alignment functions can be provided, the positions and alignment of the connecting components are ensured, and the connection is firm, and the mounting and dismounting are convenient.
In an alternative embodiment, the first mounting portion 110 is provided with a first clamping structure 130, the first mounting portion 110 is clamped with the encoder mounting tool, in another alternative embodiment, the second mounting portion 120 is provided with a first clamping structure 130, the second mounting portion 120 is clamped with the encoder mounting tool, in another alternative embodiment, the first mounting portion 110 and the second mounting portion 120 are both provided with a first clamping structure 130, and the design can be performed according to practical application requirements, so long as the clamping connection between the mounting bracket 100 and the encoder mounting tool can be realized, and the embodiment is not limited in particular.
It is to be understood that the structural forms of the first clamping structure 130 include, but are not limited to, a clamping portion and a clamping groove, for example, the clamping portion may be disposed on the mounting bracket 100, and the clamping groove may be disposed on the encoder mounting tool, or the clamping groove may be disposed on the mounting bracket 100, and the clamping portion may be disposed on the encoder mounting tool, or the clamping portion and the clamping groove may be disposed on both the mounting bracket 100 and the encoder mounting tool, so long as they can implement the clamping fit of the encoder mounting structure and the encoder mounting tool.
According to an embodiment of the present utility model, referring to fig. 3 and 4, the number of the first clamping structures 130 is plural, and the plural first clamping structures 130 are disposed along the circumferential direction of the mounting bracket 100.
It can be appreciated that, by arranging the plurality of first clamping structures 130, the contact area between the connecting components can be increased, the stability and the firmness of connection are improved, the movement or loosening of the mounting bracket 100 in the assembly process is effectively prevented, the plurality of first clamping structures 130 are arranged along the circumferential direction, the load can be uniformly dispersed on each first clamping structure 130, the moment and the pressure born by a single first clamping structure 130 are reduced, and the strength and the durability of the integral connection are improved.
In an alternative embodiment, the number of the first clamping structures 130 is plural, and the plurality of first clamping structures 130 are disposed along the circumferential direction of the first mounting portion 110, and in another alternative embodiment, the number of the first clamping structures 130 is plural, and the plurality of first clamping structures 130 are disposed along the circumferential direction of the second mounting portion 120, which is not particularly limited in this embodiment.
According to an embodiment of the present utility model, referring to fig. 3 and 4, the first and second mounting parts 110 and 120 are integrally provided.
It can be appreciated that in this embodiment, the first mounting portion 110 and the second mounting portion 120 are integrally formed to form an integral component, so that the evidence structural strength and rigidity of the mounting bracket 100 are improved, the integrally formed component can be directly mounted, the assembly process is simplified, the assembly complexity is reduced, and due to the integrally formed design, the alignment and connection between the first mounting portion 110 and the second mounting portion 120 are very accurate and stable, the accuracy and reliability of the mounting and positioning can be ensured, and the connection points and additional accessories between the components can be reduced, so that the weight and the occupied space are reduced, and the mounting bracket is particularly suitable for miniature structures such as robots.
According to an embodiment of the present utility model, referring to fig. 4, the first mounting portion 110 is formed with a mounting groove (not shown) for mounting the magnet ring 200, the central axis of the mounting groove being on the same axis as the central axis of the second mounting portion 120, or the mounting bracket 100 is provided with an arc-shaped positioning portion 140, the arc-shaped positioning portion 140 being adapted to abut against an inner ring or an outer ring of the magnet ring 200.
In an alternative embodiment, the first mounting portion 110 is formed with a mounting groove, and the magnetic ring 200 may be clamped in the mounting groove, by forming the mounting groove in the middle of the first mounting portion 110, and by clamping and mounting the magnetic ring 200 in the mounting groove, positioning and mounting the magnetic ring 200 in the center of the first mounting portion 110 is achieved, and accuracy of the mounting position of the magnetic ring 200 is ensured. In addition, this design may facilitate installation and removal of magnetic ring 200. Through with magnetic ring 200 joint in the mounting groove, can simplify the installation, improve installation effectiveness, also can easily dismantle magnetic ring 200 if need change or maintenance magnetic ring 200, and need not to carry out extensive dismantlement to whole structure.
In another alternative embodiment, the arc-shaped positioning portion 140 is disposed on the mounting bracket 100, the arc-shaped positioning portion 140 can be abutted with the inner ring or the outer ring of the magnetic ring 200, so that the position of the magnetic ring 200 on the mounting bracket 100 can be ensured to be accurate and stable, and the magnetic ring 200 can be more conveniently mounted through the design of the arc-shaped positioning portion 140, because the arc-shaped positioning portion 140 can play a guiding role, and an installer can more accurately place the magnetic ring 200 on the mounting bracket 100.
It can be appreciated that the arc positioning portion 140 may be disposed on the first mounting portion 110, or may be disposed on the second mounting portion 120, or may be integrally formed with the first clamping structure 130, which simplifies the structural design, reduces the number of components, reduces the assembly complexity, and improves the reliability and stability of the mounting bracket 100.
In other embodiments, the magnetic ring 200 may be adhered to the first mounting portion 110 by glue, so as to ensure firm connection and avoid loosening during use.
According to an embodiment of the present utility model, referring to fig. 4, the number of the arc-shaped positioning portions 140 is plural, and the plurality of arc-shaped positioning portions 140 are disposed along the circumferential direction of the mounting bracket 100.
It can be appreciated that, in this embodiment, by the arrangement of the plurality of arc-shaped positioning portions 140, the contact area between the magnetic ring 200 and the mounting bracket 100 can be increased, so as to provide a more stable positioning effect, thus reducing the wobble or offset of the magnetic ring 200 during the mounting process, ensuring the stability of the position thereof, reducing the overall positioning deviation caused by the error of a single positioning portion, and even if one positioning portion has an error, the other positioning portions can still maintain the accurate position of the magnetic ring 200.
It is easy to understand that the plurality of arc-shaped positioning portions 140 may be uniformly disposed along the circumferential direction of the mounting bracket 100, so that uniform positioning of the magnetic ring 200 may be achieved, uneven force or pressure is prevented from being intensively born by the magnetic ring 200 during mounting, load is dispersed, and stability and reliability of the system are improved. The plurality of arc-shaped positioning portions 140 may also be unevenly disposed along the circumferential direction of the mounting bracket 100, which is not particularly limited in this embodiment.
In another aspect of the present utility model, referring to fig. 5, there is provided an encoder including the encoder mounting structure of any one of the above embodiments, a magnetic ring 200, and a sensor 300, wherein the magnetic ring 200 is mounted at a middle portion of the first mounting portion 110, and the sensor 300 is disposed corresponding to the magnetic ring 200, for detecting a rotation state of the magnetic ring 200.
In this embodiment, the rotation state of the magnetic ring 200 may include information of the rotation speed and the rotation position of the magnetic ring 200, and the sensor 300 may be a hall element, a magnetoresistive element, or a magneto-resistive element, etc., and may determine the rotation speed and the rotation angle of the magnetic ring 200 by detecting a change of a magnetic field during the rotation process of the magnetic ring 200.
In an alternative embodiment, as shown with reference to fig. 3 and 4, the magnetic ring 200 is provided with a plurality of first and second magnetic poles, and the first and second magnetic poles are alternately arranged along the circumferential direction of the magnetic ring 200. Optionally, the first magnetic pole is an N pole and the second magnetic pole is an S pole.
In an alternative embodiment, the magnetic ring 200 is provided with a plurality of first magnetic poles and a plurality of second magnetic poles, and the first magnetic poles and the second magnetic poles are alternately arranged, and the polarities of the two adjacent magnetic poles are different, that is, the encoder is a multipole encoder, which can provide higher encoder resolution, improve the detection precision of the encoder, and reduce errors caused by external magnetic field changes or other interference to a certain extent.
In some embodiments, the magnetic ring 200 may further be provided with two rings or multiple rings, each of which may be provided with multiple first magnetic poles and multiple second magnetic poles, where the corresponding arrangement angles of the first magnetic poles and the second magnetic poles between two adjacent rings are different, so as to provide higher resolution for detecting the encoder, and further improve the detection precision.
It will be appreciated that. The encoder mounting structure has the beneficial effects of the above embodiments, and the encoder correspondingly has the beneficial effects of the above embodiments, and the specific implementation manner of the encoder mounting structure is just to refer to the above embodiments, which are not repeated.
In another aspect of the present utility model, referring to fig. 5 and 6, there is provided a motor module, including a motor body 400 and the encoder of the above embodiment, the motor body 400 includes a motor housing 410 and a motor shaft 420 that rotate relatively, the sensor 300 of the encoder is mounted on the motor housing 410, the second mounting portion 120 is sleeved on the motor shaft 420, and the magnetic ring 200 is fixed relative to the motor shaft 420.
In this embodiment, the rotation speed and the rotation angle of the motor shaft 420 can be detected by the encoder, the sensor 300 can sense the magnetic field change of the magnetic ring 200 and convert the magnetic field change into an electric signal in the rotation process of the motor shaft 420, the rotation speed and the rotation angle of the motor shaft 420 can be calculated by measuring the change of the electric signal, and the measuring results are used for control and feedback, so that more accurate motion control and positioning accuracy of the motor shaft 420 are realized, and the sensor is widely applied to various application fields requiring precise motion control, such as machining, an automation system, a robot and the like.
According to an embodiment of the present utility model, referring to fig. 7, the second mounting portion 120 is screw-coupled to the motor shaft 420.
It can be appreciated that in this embodiment, the second mounting portion 120 is in threaded connection with the motor shaft 420, that is, one of the second mounting portion 120 and the motor shaft 420 is provided with an internal thread, the other one is provided with an external thread which is matched with the other one, the second mounting portion 120 is in threaded connection with the motor shaft 420, the threaded connection can provide firm connection between the second mounting portion 120 and the motor shaft 420, and the coaxiality between the second mounting portion 120 and the motor shaft 420 can be ensured, and deviation between the second mounting portion 120 and the motor shaft 420 is avoided, so that accuracy and stability of the system are ensured. And the threaded connection may allow for adjustment of the position of the second mounting portion 120 relative to the motor shaft 420, thereby achieving a more accurate positioning, facilitating fine tuning or calibration of the encoder. The threaded connection may also provide a safer connection, avoiding loosening or falling off between the second mounting portion 120 and the motor shaft 420.
In this embodiment, the second mounting portion 120 and the motor shaft 420 may be coaxially positioned by a threaded connection.
According to one embodiment of the present utility model, referring to fig. 7, the motor shaft 420 is provided with a positioning step 421, the second mounting portion 120 is sleeved on the motor shaft 420, and one end of the second mounting portion 120 is abutted against the positioning step 421, or referring to fig. 8, one of the motor shaft 420 and the encoder mounting structure is provided with a positioning protrusion 150, the other is provided with a positioning groove 422 matched with the positioning protrusion 150, the positioning protrusion 150 is inserted into the positioning groove 422, and the end surface of the encoder mounting structure, i.e., the mounting bracket 100, is adapted to be abutted against the end surface of the motor shaft 420.
In an alternative embodiment, the motor shaft 420 is provided with a positioning step 421, and the second mounting portion 120 is sleeved on the motor shaft 420 and screwed in during the assembly process until one end of the second mounting portion 120 abuts against the positioning step 421, which indicates that the encoder is already mounted in place, so that the encoder can be ensured to be mounted in place correctly, reliable mounting assurance is provided for the encoder, and incorrect or loose mounting is avoided. The positioning step 421 can also axially limit the mounting bracket 100, so that the position of the mounting bracket 100 on the motor shaft 420 can be ensured to be accurate and stable, stable connection is provided for the mounting bracket 100, and the precision and stability of the encoder are improved.
In another alternative embodiment, one of the motor shaft 420 and the mounting bracket 100 is provided with a positioning protrusion 150, the other is provided with a positioning groove 422 matched with the positioning protrusion 150, the positioning protrusion 150 is inserted into the positioning groove 422, and the end face of the mounting bracket 100 is abutted with the end face of the motor shaft 420, in this embodiment, the positioning protrusion 150 and the positioning groove 422 can be both annular, so that coaxial positioning of the motor shaft 420 and the mounting bracket 100 is realized, and the second mounting part 120 is sleeved on the motor shaft 420 and screwed in during the mounting process until the end face of the second mounting part 120 is abutted with the end face of the motor, which indicates that the encoder is already mounted in place.
Further, referring to fig. 8, the end face of the motor shaft 420 is provided with a plurality of threaded holes 423, the plurality of threaded holes 423 are arranged along the circumferential direction of the motor shaft 420, the mounting bracket 100 is correspondingly provided with threaded through holes 160 along the circumferential direction, after the mounting bracket 100 is mounted in place, the mounting bracket 100 and the motor shaft 420 can be fixed by fasteners such as screws, so that the encoder is fixed, and the magnetic ring 200 and the motor shaft 420 can synchronously rotate.
An embodiment of another aspect of the present utility model, referring to fig. 1 and 2, provides an encoder installation tool for assisting in installing the encoder installation structure of any one of the foregoing embodiments, including a tool body 500, where at least one end of the tool body 500 is formed with a second clamping structure 510, and the second clamping structure 510 is adapted to be in clamping fit with the first clamping structure 130 of the encoder installation structure.
It can be appreciated that at least one end of the tool body 500 in this embodiment is formed with a second clamping structure 510, the second clamping structure 510 can be matched with the first clamping structure 130 of the encoder mounting structure in a mutually clamping manner, the encoder mounting structure is screwed through the encoder mounting tool, so that a lengthening moment can be provided, the second mounting part 120 can be conveniently and easily sleeved on the motor shaft 420 for mounting, the mounting process is more convenient and labor-saving, and the mounting efficiency is improved.
In an alternative embodiment, the first clamping structure 130 is a groove, the second clamping structure 510 is a protrusion, when the second mounting portion 120 is sleeved on the motor shaft 420 by using the encoder mounting tool, the protrusion can be inserted into the groove, so that the relative fixation of the mounting bracket 100 and the tool body 500 is realized, and at this time, the second mounting portion 120 of the mounting bracket 100 can be screwed into the motor shaft 420 by only rotating the tool body 500, so that the mounting is convenient, and the operation is simple.
According to an embodiment of the present utility model, referring to fig. 1 and 2, the number of the second clamping structures 510 is plural, and the plural second clamping structures 510 are disposed along the circumferential direction of the tool body 500.
It can be appreciated that in this embodiment, by arranging the plurality of second clamping structures 510, the contact area between the connecting components can be increased, the stability and the firmness of connection can be improved, the movement or loosening of the tool body 500 and the mounting bracket 100 in the assembly process can be effectively prevented, the plurality of second clamping structures 510 are arranged along the circumferential direction, the load can be uniformly dispersed on each second clamping structure 510, the moment and the pressure born by a single second clamping structure 510 can be reduced, and the strength and the durability of the overall connection can be improved.
It can be appreciated that the number of the first clamping structures 130 and the second clamping structures 510 may be plural, and the first clamping structures 130 and the second clamping structures 510 may be disposed in a one-to-one correspondence manner, so as to achieve reliable connection between the mounting bracket 100 and the tool body 500.
According to an embodiment of the present utility model, referring to fig. 1 and 2, an opening 520 is formed in the tool body 500 for cooperating with a lever to rotate the tool body 500.
It will be appreciated that in this embodiment, by providing the tool body 500 with the aperture 520 and using the lever inserted therein, an additional leverage point may be provided such that when the tool body 500 needs to be adjusted or screwed, a greater torque may be achieved with the force of the lever, thereby allowing the tool body 500 to be rotated more easily.
The insertion of the lever makes the tool body 500 have a rotation point, so that the tool body 500 is easier to operate, a user can rotate the tool body 500 by moving the lever upwards or downwards, and the tool body 500 can be accurately adjusted or screwed by applying small force on the lever, so that the screwing and mounting of the mounting bracket 100 are facilitated.
In an alternative embodiment, the opening 520 is disposed at the end of the tool body 500 away from the second clamping structure 510, that is, the opening 520 is disposed at the end of the tool body 500 away from the mounting bracket 100, which can provide a lengthening moment, and is more convenient to screw the mounting bracket 100.
In an alternative embodiment, the middle of the tool body 500 is hollow, and the opening 520 is provided through the tool body 500, so that the lever is inserted into the opening 520.
In another aspect, the utility model provides a robot comprising the encoder mounting structure of any one of the above embodiments, or the encoder of any one of the above embodiments, or the motor module of any one of the above embodiments.
It will be appreciated that, the encoder mounting structure, the encoder, and the motor module have the beneficial effects of the foregoing embodiments, and the robot correspondingly has the beneficial effects of the foregoing embodiments, and the specific implementation manner thereof may refer to the foregoing embodiments, which is not specifically limited.
Finally, it should be noted that the above-mentioned embodiments are merely illustrative of the utility model, and not limiting. Although the present utility model has been described in detail with reference to the embodiments, it will be understood by those skilled in the art that various combinations, modifications, or equivalents may be made to the technical solutions of the present utility model without departing from the spirit and scope of the technical solutions of the present utility model, and the present utility model is intended to be covered in the protection scope of the present utility model.
Claims (12)
1. An encoder mounting structure, comprising:
The mounting bracket comprises a first mounting part and a second mounting part which are connected with each other, wherein the first mounting part is used for mounting the magnetic ring, and the second mounting part is suitable for being sleeved on the motor shaft;
Wherein, first installation department with at least one of them is provided with first joint structure of second installation department, first joint structure is suitable for with encoder installation frock joint cooperation.
2. The encoder mounting structure of claim 1, wherein the number of the first snap-in structures is plural, and the plural first snap-in structures are disposed along a circumferential direction of the mounting bracket.
3. The encoder mounting structure of claim 1, wherein the first mounting portion and the second mounting portion are integrally formed.
4. The encoder mounting structure as claimed in any one of claims 1 to 3, wherein the first mounting portion is formed with a mounting groove for mounting the magnetic ring, a central axis of the mounting groove and a central axis of the second mounting portion being on the same axis, or,
The mounting bracket is provided with an arc-shaped positioning part, and the arc-shaped positioning part is suitable for being abutted with the inner ring or the outer ring of the magnetic ring.
5. The encoder mounting structure of claim 4, wherein the number of the arc-shaped positioning portions is plural, and the plural arc-shaped positioning portions are provided along a circumferential direction of the mounting bracket.
6. An encoder is provided, which is used for encoding a data signal, characterized by comprising the following steps:
the encoder mounting structure of any of claims 1-5;
the magnetic ring is arranged in the middle of the first installation part;
And the sensor is arranged corresponding to the magnetic ring and used for detecting the rotation state of the magnetic ring.
7. A motor module, comprising:
the motor body comprises a motor shell and a motor shaft which rotate relatively;
The encoder of claim 6, wherein the sensor is mounted on the motor housing, the second mounting portion is sleeved on the motor shaft, and the magnetic ring is fixed relative to the motor shaft.
8. The motor module of claim 7, wherein the second mounting portion is threadably connected to the motor shaft.
9. The motor module according to claim 7, wherein the motor shaft is provided with a positioning step, the second mounting portion is sleeved on the motor shaft, and one end of the second mounting portion abuts against the positioning step, or,
One of the motor shaft and the encoder mounting structure is provided with a positioning protrusion, the other one is provided with a positioning groove matched with the positioning protrusion, the positioning protrusion is inserted into the positioning groove, and the end face of the encoder mounting structure is abutted to the end face of the motor shaft.
10. An encoder installation fixture for assisting in installing an encoder installation structure according to any one of claims 1 to 5, comprising:
The tool comprises a tool body, wherein at least one end of the tool body is provided with a second clamping structure, and the second clamping structure is suitable for being matched with the first clamping structure of the encoder mounting structure in a clamping mode.
11. The encoder mounting tool of claim 10, wherein the number of the second clamping structures is plural, and the plural second clamping structures are disposed along the circumferential direction of the tool body.
12. The encoder mounting fixture of claim 10, wherein the fixture body is provided with an opening for cooperating with a lever to rotate the fixture body.
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CN202420269564.4U CN222464380U (en) | 2024-02-02 | 2024-02-02 | Encoder, mounting structure and mounting tool thereof and motor module |
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CN202420269564.4U CN222464380U (en) | 2024-02-02 | 2024-02-02 | Encoder, mounting structure and mounting tool thereof and motor module |
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