CN219833911U - Embedded connection structure of motor and brake - Google Patents
Embedded connection structure of motor and brake Download PDFInfo
- Publication number
- CN219833911U CN219833911U CN202320783893.6U CN202320783893U CN219833911U CN 219833911 U CN219833911 U CN 219833911U CN 202320783893 U CN202320783893 U CN 202320783893U CN 219833911 U CN219833911 U CN 219833911U
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- motor
- brake
- rotor
- annular
- moving part
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- 230000005389 magnetism Effects 0.000 claims abstract description 25
- 239000003292 glue Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to the technical field of machine manufacturing, and discloses an embedded connecting structure of a motor and a brake, which is characterized in that: the motor and the brake are coaxially nested, the moving part of the brake extends to the inside of the rotor of the motor, and a magnetism isolating piece is arranged between the motor and the brake and used for isolating magnetic field interference between the moving part of the brake and the rotor of the motor. The whole device has the advantages of simple structure, simple assembly, low maintenance difficulty and convenient popularization and application.
Description
Technical Field
The utility model relates to the technical field of machine manufacturing, in particular to an embedded connecting structure of a motor and a brake.
Background
With the progress of science and technology, the motor is widely applied to various industries, such as artificial joints in medical appliances and the like, which clearly puts forward better requirements on the volume and rotation precision of the motor, and the motor is integrated with a brake, a speed reducer and the like, the existing motor and the brake are arranged in a non-embedded mode, the length of an artificial joint shaft is increased, meanwhile, the motor and the brake are arranged without shielding layers, and the motor and the brake are magnetic and easy to cause interference, so that the motor and the brake cannot normally operate.
Disclosure of Invention
The utility model provides an embedded connecting structure of a motor and a brake, which is characterized in that a magnetism isolating piece is additionally arranged to isolate magnetic field interference between a moving part of the brake and a rotor of the motor, so that the brake can be embedded into the motor in a nested way, the volume of the integrated motor can be reduced, the magnetic field interference is reduced, and the normal operation of the motor and the brake is ensured.
The utility model can be realized by the following technical scheme:
the embedded connecting structure of the motor and the brake comprises the motor and the brake which are coaxially nested, wherein a moving part of the brake extends into a rotor of the motor, and a magnetism isolating piece is arranged between the motor and the brake and used for isolating magnetic field interference between the moving part of the brake and the rotor of the motor.
Further, the magnetism isolating piece adopts a sleeve structure, the outer surface of the magnetism isolating piece is connected with a rotor of a motor, the inside of the magnetism isolating piece is connected with a moving part of a brake, and the moving part of the whole brake is wrapped,
the top surface of magnetism isolating part is provided with the annular lid the top surface of annular lid is connected with first support, first support is used for installing magnetic encoder the bottom surface of annular lid is connected with the second support, the second support is used for installing the motion portion of stopper.
Further, the outer surface of the magnetism isolating piece is provided with an annular bulge, the bottom surface of the annular bulge is connected with a rotor of the motor, the top surface of the annular bulge is connected with the shell through a bearing,
the top surface of the annular cover body is provided with a plurality of notches and a plurality of first threaded through holes, each notch is internally provided with a second threaded through hole, the first threaded through holes are used for being connected with a first bracket, and the second threaded through holes are used for being connected with a second bracket.
Further, the magnetism isolating piece and the rotor of the motor are connected together through glue.
Further, the first support comprises a circular ring plane, wherein an annular side wall is arranged on the circular ring plane, and the annular side wall is connected with an annular magnetic encoder.
The beneficial technical effects of the utility model are as follows:
the magnetic isolation piece is additionally arranged to block the magnetic field interference between the moving part of the brake and the rotor of the motor, so that the brake can be nested into the motor, the volume of the integrated motor can be reduced, the magnetic field interference is reduced, and the normal operation of the motor and the brake is ensured; meanwhile, the whole device is simple in structure, simple to assemble, low in maintenance difficulty and convenient to popularize and apply.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the overall structure of the spacer of the present utility model;
FIG. 3 is an axial cross-sectional schematic view of a spacer of the present utility model;
the device comprises a 1-motor, a 101-rotor, a 102-stator, a 2-brake, a 201-moving part, a 202-fixed part, a 3-speed reducer, a 4-magnetism isolating piece, a 401-notch, a 402-first threaded through hole, a 403-annular protrusion, a 404-annular cover body, a 5-first bracket, a 6-magnetic encoder, a 7-second bracket, an 8-bearing, a 9-housing and a 10-optical encoder.
Detailed Description
The following detailed description of the utility model refers to the accompanying drawings and preferred embodiments.
As is generally known, the motor 1 is generally used in combination with the brake 2 and the decelerator 3 as an actuator to jointly drive the external devices to move, and therefore, the connection structure between them is also directly related to the overall performance of the actuator, and it is necessary to research and improve the overall structure of the actuator, as shown in fig. 1-3, the present utility model provides an embedded connection structure of the motor and the brake, the motor 1 comprises a rotor 101 and a stator 102 which are arranged in a nested manner, the brake 2 comprises a moving part 201 and a fixed part 202, which are coaxially connected with the motor 1, and the moving part 201 of the brake 2 extends into the rotor 101 of the motor 1, and a magnetism isolating member 4 is arranged between the moving part 201 of the brake 2 and the rotor 101 of the motor 1, and the magnetism isolating member 4 is used for isolating the magnetic field interference between the moving part 201 of the brake 2 and the rotor 101 of the motor 1. Therefore, the magnetism isolating piece is additionally arranged to isolate the magnetic field interference between the moving part of the brake and the rotor of the motor, so that the brake can be embedded into the motor in a nested way, the volume of the integrated motor can be reduced, the magnetic field interference is reduced, and the normal operation of the motor and the brake is ensured.
The method comprises the following steps:
the magnetism isolating member 4 adopts a sleeve structure, the outer surface of the magnetism isolating member 4 is connected with the rotor 101 of the motor 1, the inner part of the magnetism isolating member is connected with the moving part 201 of the brake 2, the moving part of the whole brake 2 is wrapped, in order to ensure complete isolation of the rotor 101 and the brake 2, in order to facilitate installation, an annular cover 404 is arranged on the top surface of the magnetism isolating member 4, a first bracket 5 is connected with the top surface of the annular cover 404, the first bracket 5 is used for installing a magnetic encoder 6, a second bracket 7 is connected with the bottom surface of the annular cover 404, the second bracket 7 is used for installing the moving part of the brake 2, a plurality of notches 401 and a plurality of first threaded through holes 402 are arranged on the top surface of the annular cover 404, a second threaded through hole is arranged in the inner part of each notch 401, the first bracket 5 is installed on the annular cover through the cooperation of a bolt and the first threaded through holes 402, so that the second bracket 7 is installed on the annular cover 404, then the moving part 201 of the brake 2 is connected with the second bracket 7, and the whole magnetism isolating member 4 is required to extend to the side wall 201 completely.
An annular protrusion 403 is provided on the outer surface of the magnetism insulator 4, the rotor 101 of the motor 1 is connected to the bottom surface of the annular protrusion 403, and they can be connected together by glue, and the top surface of the annular protrusion 403 is connected to the housing 9 by the bearing 8, so that smooth operation of the rotor 201 can be ensured, and the rotor can be realized.
In addition, the first bracket 5 includes a circular plane, an annular side wall is provided on the circular plane, the annular side wall is connected with an annular magnetic encoder 6 for detecting the output rotation speed of the motor 1, an optical encoder 10 can be provided inside the annular side wall and on the circular plane for realizing the final output rotation speed detection of the motor 1 connected with the speed reducer 3, the second bracket 7 also adopts a sleeve structure, the bottom surface is connected with the moving part 201 of the brake 2 through a bolt, the outer diameter is larger than the outer diameter of the moving part 201 of the brake 2, and interference with a spacer is avoided when the brake 2 rotates.
In summary, by means of the connecting structure, the magnetic field isolation of the moving part of the brake and the rotor of the motor is realized, so that the moving part of the brake can be arranged in the motor, the moving part and the rotor form a nested structure, the whole volumes of the motor and the brake are further reduced, popularization and application of the motor are facilitated, particularly, places with smaller space such as artificial joints of medical appliances and the like are facilitated, and in addition, the whole device is simple in structure, simple to assemble, low in maintenance difficulty and convenient to popularize and apply.
While particular embodiments of the present utility model have been described above, it will be appreciated by those skilled in the art that these are merely illustrative, and that many changes and modifications may be made to these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims.
Claims (5)
1. An embedded connection structure of a motor and a brake, which is characterized in that: the motor and the brake are coaxially nested, the moving part of the brake extends to the inside of the rotor of the motor, and a magnetism isolating piece is arranged between the motor and the brake and used for isolating magnetic field interference between the moving part of the brake and the rotor of the motor.
2. The built-in connection structure of a motor and a brake according to claim 1, wherein: the magnetism isolating piece adopts a sleeve structure, the outer surface of the magnetism isolating piece is connected with a rotor of a motor, the inside of the magnetism isolating piece is connected with a moving part of a brake, and the moving part of the whole brake is wrapped,
the top surface of magnetism isolating part is provided with the annular lid the top surface of annular lid is connected with first support, first support is used for installing magnetic encoder the bottom surface of annular lid is connected with the second support, the second support is used for installing the motion portion of stopper.
3. The built-in connection structure of a motor and a brake according to claim 2, wherein: the outer surface of the magnetism isolating piece is provided with an annular bulge, the bottom surface of the annular bulge is connected with a rotor of the motor, the top surface of the annular bulge is connected with the shell through a bearing,
the top surface of the annular cover body is provided with a plurality of notches and a plurality of first threaded through holes, each notch is internally provided with a second threaded through hole, the first threaded through holes are used for being connected with a first bracket, and the second threaded through holes are used for being connected with a second bracket.
4. A motor and brake built-in connection structure according to claim 3, characterized in that: the magnetism isolating piece is connected with the rotor of the motor through glue.
5. The built-in connection structure of a motor and a brake according to claim 2, wherein: the first support comprises a circular ring plane, an annular side wall is arranged on the circular ring plane, and the annular side wall is connected with an annular magnetic encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320783893.6U CN219833911U (en) | 2023-04-11 | 2023-04-11 | Embedded connection structure of motor and brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320783893.6U CN219833911U (en) | 2023-04-11 | 2023-04-11 | Embedded connection structure of motor and brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219833911U true CN219833911U (en) | 2023-10-13 |
Family
ID=88274504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320783893.6U Active CN219833911U (en) | 2023-04-11 | 2023-04-11 | Embedded connection structure of motor and brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219833911U (en) |
-
2023
- 2023-04-11 CN CN202320783893.6U patent/CN219833911U/en active Active
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