CN217010478U - Rotating structure for permanent magnet motor - Google Patents
Rotating structure for permanent magnet motor Download PDFInfo
- Publication number
- CN217010478U CN217010478U CN202123359470.1U CN202123359470U CN217010478U CN 217010478 U CN217010478 U CN 217010478U CN 202123359470 U CN202123359470 U CN 202123359470U CN 217010478 U CN217010478 U CN 217010478U
- Authority
- CN
- China
- Prior art keywords
- rotor
- support
- shaft
- permanent magnet
- rotor shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The utility model relates to the field of permanent magnet motors, in particular to a rotating structure for a permanent magnet motor, which comprises a fixed supporting seat, a rotor bracket, a limiting mechanism, a shaft locking mechanism, a plurality of winding coils and a plurality of permanent magnets, wherein the fixed supporting seat consists of a chassis and a cylindrical supporting part formed on the chassis, the rotor bracket is provided with a rotor shaft for being in shaft connection with the fixed supporting seat, the limiting mechanism is used for connecting the rotor shaft with the fixed supporting seat, and the shaft locking mechanism is used for fixedly connecting the rotor bracket with the rotor shaft. This structure has promoted the installation degree of freedom of rotating member through the external form of rotor, needn't confine to the installation of axle head, also can install specific attachment as required on the ring portion outer wall behind the rotor is external, and practical scene is more nimble, has improved the installation latitude tolerance of motor space in narrow and small space through the mode of bottom fastening, can realize the quick assembly disassembly of rotor support and rotor shaft through lock shaft mechanism for later maintenance is more convenient.
Description
Technical Field
The utility model relates to the field of permanent magnet motors, in particular to a rotating structure for a permanent magnet motor.
Background
The permanent magnet synchronous motor provides excitation by the permanent magnet, so that the structure of the motor is simpler, the processing and assembling cost is reduced, a collecting ring and an electric brush which are easy to cause problems are omitted, and the running reliability of the motor is improved; and because excitation current is not needed, excitation loss is avoided, and the efficiency and the power density of the motor are improved.
The permanent magnet synchronous motor is composed of a stator, a rotor, an end cover and the like. The stator is basically the same as a common induction motor, and a lamination structure is adopted to reduce iron loss during the operation of the motor. The rotor can be made into solid or laminated by lamination. The armature winding can adopt a concentrated whole-pitch winding, and can also adopt a distributed short-pitch winding and an unconventional winding.
The rotating structure of the existing permanent magnet motor is single, the lower ring winding set is generally arranged on the inner wall of the motor shell, the permanent magnet is arranged on the rotor, the single structural form causes single use limitation, if the rotating output piece can only be connected with the rotating shaft of the rotor, the space utilization rate is not high, and the installation mode is limited relatively.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a rotating structure for a permanent magnet motor in order to solve the problems of the prior art.
In order to solve the problems of the prior art, the utility model adopts the technical scheme that:
a rotating structure for a permanent magnet electric machine, comprising:
the fixed supporting seat consists of a base plate and a cylindrical supporting part formed on the base plate;
the winding coils are uniformly distributed on the outer side of the cylindrical supporting part along the circumferential direction and are fixedly connected with the cylindrical supporting part;
the rotor support is positioned outside all the winding coils and is coaxially arranged with the cylindrical support part, and the rotor support is provided with a rotor shaft for being in shaft connection with the fixed support seat;
the permanent magnets are uniformly distributed on the inner side of the rotor support along the circumferential direction, are fixedly connected with the inner wall of the rotor support and are positioned on the outer side of the winding coil;
the limiting mechanism is arranged on the rotor shaft and used for connecting the rotor shaft and the fixed supporting seat;
and the shaft locking mechanism is positioned in the center of the rotor bracket and is used for fixedly connecting the rotor bracket and the rotor shaft.
Preferably, the chassis comprises support ring and triangle-shaped support, and the triangle-shaped support shaping is in the bottom of support ring, the cylinder supporting part shaping is at the top of triangle-shaped support and is located the inboard of support ring, be provided with the mounting hole that a plurality of upwards run through the cylinder supporting part on the triangle-shaped support.
Preferably, each winding coil is fixedly connected with the peripheral wall of the cylindrical supporting part through a coil support.
Preferably, the rotor support comprises a circular ring part and a top cover, the top cover is fixedly connected with one end of the circular ring part, all the permanent magnets are fixedly attached to the inner wall of the circular ring part, the rotor shaft penetrates through the center of the top cover, and the rotor shaft is fixedly connected with the top cover through a shaft locking mechanism.
Preferably, the lock shaft mechanism includes the screw thread post cover of shaping in top cap center department and locates the knob in the screw thread post cover outside soon, the outside of rotor shaft is located to screw thread post cover movable sleeve to symmetrical having seted up two bar breachs on the lateral wall of screw thread cover, the length direction of bar breach is unanimous with the generating line direction of screw thread cover, the internal screw thread diameter of knob increases gradually by one end to the other end.
Preferably, stop gear is two circle type clamps, fixed support seat is equipped with the bearing along the both ends of its central axis direction are all fixed to inlay, and two circle type clamps are respectively from the outside laminating in two bearings, rotor shaft is last to be seted up two circle grooves that are used for supplying circle type clamp joint respectively.
Compared with the prior art, the utility model has the following beneficial effects: this structure has promoted the installation degree of freedom of rotating member through the external form of rotor, needn't confine to the installation of axle head, also can install specific attachment as required on the ring portion outer wall behind the rotor is external, and practical scene is more nimble, has improved the installation latitude tolerance of motor space in narrow and small space through the mode of bottom fastening, can realize the quick assembly disassembly of rotor support and rotor shaft through lock shaft mechanism for later maintenance is more convenient.
Drawings
FIG. 1 is a first schematic perspective view of an embodiment;
FIG. 2 is a schematic perspective view of the second embodiment;
FIG. 3 is an exploded perspective view of the embodiment;
FIG. 4 is a plan sectional view of the embodiment;
the reference numbers in the figures are:
1-fixing a supporting seat; 2-a chassis; 3-a cylindrical support; 4-a winding coil; 5-a rotor support; 6-rotor shaft; 7-a permanent magnet; 8-a support ring; 9-a triangular bracket; 10-mounting holes; 11-a coil support; 12-a circular ring part; 13-a top cover; 14-threaded post sleeve; 15-a knob; 16-a strip-shaped notch; 17-ring type clamp; 18-a bearing; 19-ring groove.
Detailed Description
For a better understanding of the features and technical solutions of the present invention, as well as the specific objects and functions attained by the present invention, reference is made to the accompanying drawings and detailed description of the utility model.
Referring to fig. 1 to 4, a rotating structure for a permanent magnet motor includes:
the fixed supporting seat 1 consists of a chassis 2 and a cylindrical supporting part 3 formed on the chassis 2;
the winding coils 4 are uniformly distributed on the outer side of the cylindrical support part 3 along the circumferential direction, and the winding coils 4 are fixedly connected with the cylindrical support part 3;
a rotor bracket 5 which is positioned outside all the winding coils 4, wherein the rotor bracket 5 is coaxially arranged with the cylindrical supporting part 3, and the rotor bracket 5 is provided with a rotor shaft 6 for being coupled with the fixed supporting seat 1;
the permanent magnets 7 are uniformly distributed on the inner side of the rotor support 5 along the circumferential direction, all the permanent magnets 7 are fixedly connected with the inner wall of the rotor support 5, and the permanent magnets 7 are positioned on the outer side of the winding coil 4;
the limiting mechanism is arranged on the rotor shaft 6 and used for connecting the rotor shaft 6 and the fixed supporting seat 1;
and the shaft locking mechanism is positioned at the center of the rotor bracket 5 and is used for fixedly connecting the rotor bracket 5 and the rotor shaft 6.
The chassis 2 comprises support ring 8 and triangle support 9, and triangle support 9 shaping is in the bottom of support ring 8, cylindrical support portion 3 shaping is at the top of triangle support 9 and is located the inboard of support ring 8, be provided with the mounting hole 10 that a plurality of upwards runs through cylindrical support portion 3 on the triangle support 9. When the motor is installed, the fixed support seat 1 is tightly installed by matching screws with the installation holes 10.
Each winding coil 4 is fixedly connected with the peripheral wall of the cylindrical support part 3 through a coil support 11. The coil brackets 11 are uniformly formed on the outer wall of the cylindrical supporting part 3 along the circumferential direction, each coil bracket 11 can be wound with a group of coils, and finally, a rotating magnetic field moving along the circumferential direction is generated by controlling the frequency of input current, so that the permanent magnet 7 on the outer side can drive the rotor bracket 5 to rotate under the action of the rotating magnetic field.
The rotor support 5 comprises a circular ring part 12 and a top cover 13, the top cover 13 is fixedly connected with one end of the circular ring part 12, all the permanent magnets 7 are fixedly attached to the inner wall of the circular ring part 12, the rotor shaft 6 penetrates through the center of the top cover 13, and the rotor shaft 6 is fixedly connected with the top cover 13 through a shaft locking mechanism. Under the effect of the rotating magnetic field, the permanent magnet 7 arranged on the inner wall of the circular ring part 12 can drive the top cover 13 to rotate, the top cover 13 is fixedly connected with the rotor shaft 6 through the shaft locking mechanism, and the rotor shaft 6 is connected with the fixed supporting seat 1 in a shaft mode, so that a rotating structure of the permanent magnet motor is formed.
The shaft locking mechanism comprises a threaded column sleeve 14 formed in the center of the top cover 13 and a knob 15 arranged on the outer side of the threaded column sleeve 14 in a rotating mode, the outer side of the rotor shaft 6 is movably sleeved with the threaded column sleeve 14, two strip-shaped notches 16 are symmetrically formed in the side wall of the threaded sleeve, the length direction of each strip-shaped notch 16 is consistent with the bus direction of the threaded sleeve, and the thread diameter of the inner thread of the knob 15 is gradually increased from one end to the other end. Through set up lock shaft mechanism between rotor support 5 and rotor shaft 6 to can be when the installation more accurate and convenient adjust rotor support 5 and fixed support seat 1's relative position along the axial, last through the mode of the knob 15 of screwing, the gradual change screw thread of 15 holes of cooperation knob holds tightly screw thread column cover 14, thereby makes two bar notch 16 shrinkages on the screw thread column cover 14 hold tightly rotor shaft 6 and accomplish fixedly.
Stop gear is two circle type clamps 17, fixed support seat 1 is all fixed along the both ends of its central axis direction and is inlayed and be equipped with bearing 18, and two circle type clamps 17 are laminated in two bearings 18 from the outside respectively, rotor shaft 6 is last to be seted up two circle grooves 19 that are used for supplying circle type clamp 17 joint respectively. Through set up bearing 18 between rotor shaft 6 and fixed bolster 1 and be used for reducing the rotational resistance of rotor shaft 6, through inlay the circle type clamp 17 that two intervals pasted two bearing 18 on rotor shaft 6 to the instant noodle is used for preventing that rotor shaft 6 from taking place axial position cheap, and on the other hand has guaranteed that rotor shaft 6 can not take place the separation with fixed bolster 1.
The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. A rotating structure for a permanent magnet motor, comprising:
the fixed supporting seat (1) consists of a chassis (2) and a cylindrical supporting part (3) formed on the chassis (2);
the winding device comprises a plurality of winding coils (4), wherein all the winding coils (4) are uniformly distributed on the outer side of a cylindrical supporting part (3) along the circumferential direction, and all the winding coils (4) are fixedly connected with the cylindrical supporting part (3);
the rotor support (5) is positioned at the outer side of all the winding coils (4), the rotor support (5) and the cylindrical support part (3) are coaxially arranged, and the rotor support (5) is provided with a rotor shaft (6) which is used for being connected with the fixed support seat (1) in a shaft mode;
the permanent magnets (7) are uniformly distributed on the inner side of the rotor support (5) along the circumferential direction, all the permanent magnets (7) are fixedly connected with the inner wall of the rotor support (5), and the permanent magnets (7) are positioned on the outer side of the winding coil (4);
the limiting mechanism is arranged on the rotor shaft (6) and used for connecting the rotor shaft (6) and the fixed supporting seat (1);
and the shaft locking mechanism is positioned in the center of the rotor bracket (5) and is used for fixedly connecting the rotor bracket (5) and the rotor shaft (6).
2. A rotating structure for a permanent magnet motor according to claim 1, wherein the chassis (2) is composed of a support ring (8) and a triangular bracket (9), the triangular bracket (9) is formed at the bottom of the support ring (8), the cylindrical support part (3) is formed at the top of the triangular bracket (9) and is located at the inner side of the support ring (8), and a plurality of mounting holes (10) are arranged on the triangular bracket (9) and penetrate the cylindrical support part (3) upwards.
3. A rotating structure for a permanent magnet machine according to claim 1, characterized in that each of the winding coils (4) is secured to the peripheral wall of the cylindrical support (3) by a coil support (11).
4. The rotating structure for the permanent magnet motor according to claim 1, wherein the rotor support (5) is composed of a circular ring part (12) and a top cover (13), the top cover (13) is fixedly connected with one end of the circular ring part (12), all the permanent magnets (7) are fixedly attached to the inner wall of the circular ring part (12), the rotor shaft (6) penetrates through the center of the top cover (13), and the rotor shaft (6) is fixedly connected with the top cover (13) through a shaft locking mechanism.
5. The rotating structure for the permanent magnet motor according to claim 4, wherein the shaft locking mechanism comprises a threaded cylindrical sleeve (14) formed at the center of the top cover (13) and a knob (15) screwed on the outer side of the threaded cylindrical sleeve (14), the threaded cylindrical sleeve (14) is movably sleeved on the outer side of the rotor shaft (6), two strip-shaped notches (16) are symmetrically formed in the side wall of the threaded sleeve, the length direction of each strip-shaped notch (16) is consistent with the bus direction of the threaded sleeve, and the thread diameter of the internal thread of the knob (15) gradually increases from one end to the other end.
6. The rotating structure for the permanent magnet motor according to claim 1, wherein the limiting mechanism is two ring-shaped clamps (17), the bearings (18) are fixedly embedded at both ends of the fixed support base (1) along the central axis direction thereof, the two ring-shaped clamps (17) are respectively attached to the two bearings (18) from the outside, and two ring grooves (19) for clamping the ring-shaped clamps (17) are respectively formed in the rotor shaft (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123359470.1U CN217010478U (en) | 2021-12-28 | 2021-12-28 | Rotating structure for permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123359470.1U CN217010478U (en) | 2021-12-28 | 2021-12-28 | Rotating structure for permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217010478U true CN217010478U (en) | 2022-07-19 |
Family
ID=82387023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123359470.1U Active CN217010478U (en) | 2021-12-28 | 2021-12-28 | Rotating structure for permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217010478U (en) |
-
2021
- 2021-12-28 CN CN202123359470.1U patent/CN217010478U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9472997B2 (en) | Resilient rotor assembly for interior permanent magnet motor | |
| CN102648566B (en) | Electric motor assembly | |
| US9837867B2 (en) | Electric machine, rotor and associated method | |
| CN101989776A (en) | Limited angle brushless torque motor with self-positioning function | |
| JP2004274998A (en) | Single-phase induction motor | |
| US20090200882A1 (en) | Orbital hybrid magnetic electronic engine and generator | |
| WO2020063579A1 (en) | Vehicle seat and permanent magnet dc motor thereof | |
| KR20120096634A (en) | Double rotor and single stator type bldc motor | |
| CN217010478U (en) | Rotating structure for permanent magnet motor | |
| CN209844665U (en) | Brushless motor | |
| CN110011446A (en) | A kind of brushless motor | |
| CN106109040B (en) | A kind of resonant acoustic wave toothbrush | |
| WO2011105986A1 (en) | Brushless a-c motor | |
| CN210744861U (en) | Column type coreless motor | |
| CN103840586A (en) | Permanent magnetic outer rotor hub motor | |
| CN101154832A (en) | Permanent magnet motor with axial permanent magnetic potential control and compensation function | |
| CN209730938U (en) | A kind of drum type brake DC vibration motor | |
| CN110429783B (en) | Permanent magnet brushless DC motor structure | |
| CN208272826U (en) | A kind of refrigerator permanent-magnet brushless DC electric machine | |
| CN103618391B (en) | A kind of permanent magnet brushless electromotor of ten pole 12 grooves | |
| CN102214960A (en) | Permanent-magnet overlapped coreless high-efficiency motor | |
| CN108599406B (en) | Single-phase brushless DC motor | |
| CN2324696Y (en) | Disk type DC permanent-magnet hub motor for electric booster | |
| CN214959218U (en) | Noise-reduction permanent magnet speed reduction motor | |
| CN217607570U (en) | Brushless direct current motor easy to maintain |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |