CN215601109U - Rotor structure of permanent magnet synchronous motor - Google Patents
Rotor structure of permanent magnet synchronous motor Download PDFInfo
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- CN215601109U CN215601109U CN202121846993.6U CN202121846993U CN215601109U CN 215601109 U CN215601109 U CN 215601109U CN 202121846993 U CN202121846993 U CN 202121846993U CN 215601109 U CN215601109 U CN 215601109U
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Abstract
The utility model discloses a rotor structure of a permanent magnet synchronous motor, which comprises a rotor core and a clamping unit, wherein the rotor core is provided with a plurality of clamping units; the rotor core is uniformly provided with four permanent magnetic poles along the circumferential direction, magnetic lines of force along the front and back directions are formed among the four permanent magnetic poles, a round hole is formed in the middle of the rotor core, a rotating shaft is clamped in the round hole in a matched mode, and a key groove is formed in the middle of the rotating shaft; the joint unit includes spout one, slider one, spring and pulls the subassembly, the front side at rotor core is seted up to spout one along left right direction, communicate between the left end of spout one and the inside of round hole, the right-hand member of spout one passes through the inside sliding connection of the left end of spring and slider one, realizes the fixed joint effect to the axis of rotation under the cooperation joint effect between slider one and the axis of rotation, pulls the subassembly through pulling right and drives the slider and slide right earlier on to make slider one and the axis of rotation between separate, realize the effect to the convenient dismantlement of axis of rotation.
Description
Technical Field
The utility model relates to the technical field of rotors of permanent magnet synchronous motors, in particular to a rotor structure of a permanent magnet synchronous motor.
Background
Compared with a squirrel-cage asynchronous motor, the permanent magnet synchronous motor has excellent energy-saving performance and is a key national popularization item, and because the permanent magnet needs to be embedded in a rotor of the squirrel-cage motor, a new silicon steel sheet die is needed, so that the die cost is high, however, the permanent magnet synchronous motor is in a popularization stage, generally has a single or small demand, so that the price is high, and the popularization is influenced;
a rotor structure of a permanent magnet synchronous motor proposed by prior art application No. 201710219021.6, the rotor is uniformly distributed with radial bar-shaped permanent magnets with the same number as the poles of the motor along the circumference, the lower part of the rotor is uniformly distributed with arc-shaped permanent magnets with the same number as the bar-shaped permanent magnets along the circumference, the bar-shaped permanent magnets and the arc-shaped permanent magnets divide the rotor into fan-shaped magnetic areas with the same number of poles as that of the motor, the polarities of the opposite surfaces of the two bar-shaped permanent magnets in any fan-shaped magnetic area are the same as that of the arc-shaped surface outside the arc-shaped permanent magnet, the magnetism of the fan-shaped magnetic area is determined by the polarities of the opposite surfaces of the two bar-shaped permanent magnets forming the fan-shaped magnetic area and the polarity of the arc-shaped surface outside the arc-shaped permanent magnet, the magnetism of the adjacent fan-shaped magnetic areas is different, the outer end of the bar-shaped permanent magnet is a cone with small outer end diameter and is matched with the conical opening of the outer end of the bar-shaped opening on the rotor;
in the rotor structure of the permanent magnet synchronous motor in the prior art, although the improvement effect on the rotor of the permanent magnet synchronous motor is well realized, the existing rotor and a shaft fixed in the middle are relatively troublesome to disassemble, and the replacement cost is increased.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to overcome the existing defects, and provide a rotor structure of a permanent magnet synchronous motor, wherein a fixed clamping effect on a rotating shaft is realized under the matching clamping effect between a first sliding block and the rotating shaft, and the first sliding block is separated from the rotating shaft by driving a pulling assembly rightwards to drive the sliding block to slide rightwards, so that the rotating shaft is conveniently disassembled, and the problems in the background art can be effectively solved.
In order to achieve the purpose, the utility model provides the following technical scheme: a rotor structure of a permanent magnet synchronous motor comprises a rotor core and a clamping unit;
a rotor core: four permanent magnetic poles are uniformly arranged along the circumferential direction, magnetic lines of force are formed among the four permanent magnetic poles along the front and back direction, a round hole is formed in the middle of the rotor core, a rotating shaft is clamped in the round hole in a matched mode, and a key groove is formed in the middle of the rotating shaft;
a clamping unit: include spout one, slider one, spring and pull the subassembly, the front side at rotor core is seted up to spout one along left right direction, communicate between the left end of spout one and the inside of round hole, the right-hand member of spout one passes through the inside sliding connection of the left end of spring and slider one, the right-hand member of spring and the inside right-hand member fixed connection of spout one, the cooperation joint between the left end of slider one and the epaxial keyway of rotation, the front end of slider one with pull the subassembly cooperation and be connected.
Drive rotor core's rotation under the mating reaction between permanent magnetism magnetic pole and outside stator, the rotation of drive axis of rotation under rotor core's rotation, make slider one slide in the inside of spout one under the effect of pulling the subassembly, make slider one have a power left under the effect of spring, realize the fixed joint effect to the axis of rotation under the cooperation joint effect between slider one and the axis of rotation, pull the subassembly through pulling right and drive slider right side slip one after, thereby make slider one and the axis of rotation between separate, realize the effect to the convenient dismantlement of axis of rotation.
Further, pull the subassembly and include second slider, second spout and disc, second spout is seted up in the front side of iron core, and the rear end of second spout and the inside intercommunication of spout one, the rear end of second slider and the front side fixed connection of first slider, sliding connection between the middle part of second slider and the inside of second slider, the front end fixedly connected with disc of second slider.
The second sliding block can slide in the second sliding groove more easily by pulling the disc, and the first sliding block is driven to slide in the first sliding groove by the sliding of the second sliding block.
Furthermore, still include portable unit, portable unit includes square groove, loose axle and portable pole, the square groove is seted up at rotor core's front side left end, swing joint between the inside upper and lower both sides through a loose axle and square groove respectively in the upper and lower both ends of portable pole.
Be used for hiding the portable pole under the effect of square groove, make the portable pole realize the effect of activity under the swing joint effect of loose axle, make the rotor can be more easy dismantle out from the inside of stator through the portable pole.
Further, the portable unit still includes the rubber sleeve, the draw-in groove has been seted up at the middle part of portable pole, the rubber sleeve passes through the draw-in groove joint at the middle part of portable pole, under the guard action of rubber sleeve, makes the staff be difficult for hindering the hand at the during operation.
Furthermore, portable unit contains the circular slot, and the circular slot is seted up in rotor core's front side, and is located the position that corresponds with the inside right-hand member of square groove, and the circular slot is used for making the portable pole more easily to be carried out from the inside of square groove.
Further, still include spout three and slider three, spout three throw is established in rotor core's front side, and the spout three-position is in the front side of square groove, the inside sliding connection of spout three has slider three, and cooperates the joint between the rear end of slider three and the front side of portable pole.
After the inside of square groove was placed to the portable pole, under the cooperation joint effect between the front side of slider three and portable pole, through pulling the inside of the three joint that make the portable pole stabilize of slider at the square groove, the effectual condition that has prevented that the rotor breaks away from the inside of square groove at pivoted in-process portable pole.
Compared with the prior art, the utility model has the beneficial effects that: this permanent magnet synchronous motor's rotor structure has following benefit:
1. the rotor structure of the permanent magnet synchronous motor is provided with the hand-held unit, the hand-held rod is hidden under the action of the square groove, the hand-held rod achieves the action of moving under the action of the movable connection of the movable shaft, and the rotor can be more easily detached from the interior of the stator through the hand-held rod;
2. the rotor structure of the permanent magnet synchronous motor is provided with a third sliding groove and a third sliding block, after the lifting rod is placed in the square groove, under the matching clamping effect between the third sliding block and the front side of the lifting rod, the lifting rod is stably clamped in the square groove by pulling the third sliding block, and the condition that the lifting rod is separated from the square groove in the rotating process of the rotor is effectively prevented;
3. the fixed clamping effect on the rotating shaft is achieved under the matched clamping effect between the first sliding block and the rotating shaft, the right pulling component is pulled to drive the sliding block to slide rightwards, and therefore the first sliding block and the rotating shaft are separated, and the rotating shaft is convenient to disassemble.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
fig. 3 is a schematic rear view of the present invention.
In the figure: the magnetic flux-driven rotor comprises a rotor core 1, a permanent magnet magnetic pole 2, a magnetic flux line 3, a circular hole 4, a rotating shaft 5, a clamping unit 6, a first sliding groove 61, a first sliding block 62, a spring 63, a second sliding block 64, a second sliding groove 65, a circular disc 66, a portable unit 7, a square groove 71, a movable shaft 72, a hand-held rod 73, a rubber sleeve 74, a circular groove 75, a third sliding groove 8 and a third sliding block 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present embodiment provides a technical solution: a rotor structure of a permanent magnet synchronous motor comprises a rotor core 1 and a clamping unit 6;
rotor core 1: four permanent magnetic poles 2 are uniformly arranged along the circumferential direction, magnetic lines of force 3 are formed between the four permanent magnetic poles 2 along the front-back direction, a round hole 4 is formed in the middle of the rotor core 1, a rotating shaft 5 is clamped in the round hole 4 in a matched mode, and a key groove is formed in the middle of the rotating shaft 5;
the clamping unit 6: include spout one 61, slider one 62, spring 63 and the subassembly of pulling, the front side at rotor core 1 is seted up along left right direction to spout one 61, communicate between the left end of spout one 61 and the inside of round hole 4, the right-hand member of spout one 61 passes through the inside sliding connection of the left end of spring 63 and slider one 62, the right-hand member of spring 63 and the inside right-hand member fixed connection of spout one 61, the cooperation joint between the left end of slider one 62 and the keyway in the axis of rotation 5, the front end and the subassembly of pulling of slider one 62 are connected in the cooperation.
The pulling assembly comprises a second sliding block 64, a second sliding groove 65 and a disc 66, the second sliding groove 65 is formed in the front side of the iron core 1, the rear end of the second sliding groove 65 is communicated with the inside of the first sliding groove 61, the rear end of the second sliding block 64 is fixedly connected with the front side of the first sliding block 62, the middle of the second sliding block 64 is slidably connected with the inside of the second sliding block 64, and the disc 66 is fixedly connected with the front end of the second sliding block 64.
The second sliding block 64 can slide in the second sliding groove 65 more easily by pulling the disc 66, and the sliding of the second sliding block 64 drives the first sliding block 62 to slide in the first sliding groove 61.
Still include portable unit 7, portable unit 7 includes square groove 71, loose axle 72 and portable pole 73, and square groove 71 sets up in the front side left end of rotor core 1, and portable pole 73's upper and lower both ends are through swing joint between the inside upper and lower both sides of a loose axle 72 and square groove 71 respectively.
The square groove 71 is used for hiding the lifting rod 73, the lifting rod 73 is enabled to realize the action of moving under the action of the movable connection of the movable shaft 72, and the rotor can be more easily detached from the interior of the stator through the lifting rod 73.
The portable unit 7 further comprises a rubber sleeve 74, the middle of the portable rod 73 is provided with a clamping groove, the rubber sleeve 74 is clamped in the middle of the portable rod 73 through the clamping groove, and hands of workers are not easily injured during working under the protection effect of the rubber sleeve 74.
The hand unit 7 includes a circular groove 75, the circular groove 75 is formed in the front side of the rotor core 1 and located at a position corresponding to the inner right end of the square groove 71, and the circular groove 75 is used to allow the hand lever 73 to be more easily lifted out of the square groove 71.
Still include three 8 and the three 9 of slider of spout, three 8 setings in the front side of rotor core 1 in the spout, and three 8 of spout are located the front side of square groove 71, and the inside sliding connection of three 8 of spout has three 9 of slider, and the cooperation joint between the rear end of three 9 of slider and the front side of portable pole 73.
After the inside of square groove 71 is placed to portable pole 73, under the cooperation joint effect between the front side of three 9 of slider and portable pole 73, make the inside of the firm joint of portable pole 73 at square groove 71 through pulling three 9 of slider, the effectual condition that prevents rotor at the inside that pivoted in-process portable pole 73 breaks away from square groove 71.
The working principle of the rotor structure of the permanent magnet synchronous motor provided by the utility model is as follows:
the rotor core 1 is driven to rotate under the matching action between the permanent magnetic pole 2 and an external stator, the rotating shaft 5 is driven to rotate under the rotating action of the rotor core 1, the sliding block II 64 is enabled to slide in the sliding groove II 65 more easily by pulling the disc 66, the sliding block I62 is driven to slide in the sliding groove I61 by the sliding of the sliding block II 64, the sliding block I62 is enabled to have a leftward force under the action of the spring 63, the fixed clamping effect on the rotating shaft 5 is realized under the matching clamping effect between the sliding block I62 and the rotating shaft 5, the sliding block I62 is driven to slide rightwards by pulling the pulling assembly rightwards, so that the sliding block I62 and the rotating shaft 5 are separated, the effect of convenient disassembly on the rotating shaft 5 is realized, the lifting rod 73 is hidden under the effect of the square groove 71, and the lifting rod 73 is enabled to realize the moving effect under the movable connecting effect of the movable shaft 72, make the inside dismantlement of stator from that the rotor can be easier through portable lever 73, under the guard action of rubber sleeve 74, make the staff difficult hinder the hand at the during operation, circular slot 75 is used for making portable lever 73 more easily to be carried out from the inside of square groove 71, place the inside back of square groove 71 when portable lever 73, under the cooperation joint effect between the front side of slider three 9 and portable lever 73, joint that makes portable lever 73 stabilize through pulling slider three 9 is in the inside of square groove 71, the effectual condition that has prevented that the rotor from breaking away from the inside of square groove 71 at pivoted in-process portable lever 73.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The utility model provides a permanent magnet synchronous motor's rotor structure which characterized in that: comprises a rotor iron core (1) and a clamping unit (6);
rotor core (1): four permanent magnetic poles (2) are uniformly arranged along the circumferential direction, magnetic lines of force (3) along the front and back direction are formed among the four permanent magnetic poles (2), a round hole (4) is formed in the middle of the rotor core (1), a rotating shaft (5) is clamped in the round hole (4) in a matched mode, and a key groove is formed in the middle of the rotating shaft (5);
clamping unit (6): include spout one (61), slider one (62), spring (63) and pull the subassembly, the front side at rotor core (1) is seted up along left right direction in spout one (61), communicate between the left end of spout one (61) and the inside of round hole (4), the right-hand member of spout one (61) passes through the left end of spring (63) and the inside sliding connection of slider one (62), the right-hand member of spring (63) and the inside right-hand member fixed connection of spout one (61), cooperate the joint between the keyway on the left end of slider one (62) and axis of rotation (5), the front end of slider one (62) with pull the subassembly cooperation and be connected.
2. The rotor structure of a permanent magnet synchronous motor according to claim 1, characterized in that: the pulling assembly comprises a second sliding block (64), a second sliding groove (65) and a disc (66), the second sliding groove (65) is formed in the front side of the iron core (1), the rear end of the second sliding groove (65) is communicated with the inside of the first sliding groove (61), the rear end of the second sliding block (64) is fixedly connected with the front side of the first sliding block (62), the middle of the second sliding block (64) is connected with the inside of the second sliding block (64) in a sliding mode, and the disc (66) is fixedly connected with the front end of the second sliding block (64).
3. The rotor structure of a permanent magnet synchronous motor according to claim 1, characterized in that: still include portable unit (7), portable unit (7) include square groove (71), loose axle (72) and portable pole (73), the front side left end in rotor core (1) is seted up in square groove (71), swing joint between the inside upper and lower both sides through a loose axle (72) and square groove (71) respectively at the upper and lower both ends of portable pole (73).
4. The rotor structure of a permanent magnet synchronous motor according to claim 3, characterized in that: the portable unit (7) further comprises a rubber sleeve (74), a clamping groove is formed in the middle of the portable rod (73), and the rubber sleeve (74) is clamped in the middle of the portable rod (73) through the clamping groove.
5. The rotor structure of a permanent magnet synchronous motor according to claim 3, characterized in that: the hand-held unit (7) comprises a circular groove (75), wherein the circular groove (75) is formed in the front side of the rotor core (1) and is located at a position corresponding to the right end of the inside of the square groove (71).
6. The rotor structure of a permanent magnet synchronous motor according to claim 3, characterized in that: still include three (8) of spout and three (9) of slider, the front side at rotor core (1) is seted up in three (8) of spout, and three (8) of spout are located the front side of square groove (71), the inside sliding connection of three (8) of spout has three (9) of slider, and cooperates the joint between the rear end of three (9) of slider and the front side of portable pole (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121846993.6U CN215601109U (en) | 2021-08-09 | 2021-08-09 | Rotor structure of permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121846993.6U CN215601109U (en) | 2021-08-09 | 2021-08-09 | Rotor structure of permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215601109U true CN215601109U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121846993.6U Active CN215601109U (en) | 2021-08-09 | 2021-08-09 | Rotor structure of permanent magnet synchronous motor |
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| CN (1) | CN215601109U (en) |
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- 2021-08-09 CN CN202121846993.6U patent/CN215601109U/en active Active
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