CN209844660U

CN209844660U - Rotor structure for brushless motor of electric vehicle

Info

Publication number: CN209844660U
Application number: CN201920993579.4U
Authority: CN
Inventors: 茌庚申; 商波
Original assignee: XUZHOU YITENG ELECTROMECHANICAL TECHNOLOGY Co Ltd
Current assignee: XUZHOU YITENG ELECTROMECHANICAL TECHNOLOGY Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2019-12-24
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a rotor structure for a brushless motor of an electric vehicle, which comprises a rotor device, a rotating shaft and a magnetic sleeve, the rotor device comprises a rotor main body and a winding plate, wherein the outer edge surface of the rotor main body is in an annular array structure, one end of the winding plate, far away from the rotor main body, is in a wedge-shaped structure, and is matched and fixed with the limit arc plate, a group of rotating shafts is inserted in the center of the rotor main body, two ends of each rotating shaft extend out of the rotor main body, and is movably matched with the magnetic sleeve, the inner edge surface of the magnetic sleeve is in an annular array and is provided with a plurality of groups of arc magnetic sheets, a groove for installing a rotating shaft is arranged in the rotor main body, and the groove is internally provided with a plurality of groups of clamping blocks in an annular array structure, one side of the outer edge surface of the rotating shaft is provided with a plurality of clamping grooves matched with the clamping blocks in an annular array, and one side of the winding plate facing the rotor main body is provided with a wire fixing groove for limiting the coil. This rotor structure for brushless motor for electric motor car, easily installation and stability are strong, have higher practical value.

Description

Rotor structure for brushless motor of electric vehicle

Technical Field

The utility model belongs to the technical field of electric motor rotor, concretely relates to rotor structure for brushless motor for electric motor car.

Background

The brushless direct current motor is composed of a motor main body and a driver, and is a typical electromechanical integration product. Because the brushless DC motor is operated in a self-control mode, a starting winding is not additionally arranged on a rotor like a synchronous motor which is started under the condition of heavy load under the condition of frequency conversion and speed regulation, and oscillation and step-out can not be generated when the load suddenly changes. The permanent magnet of the brushless DC motor with medium and small capacity is mostly made of rare earth neodymium iron boron (Nd-Fe-B) material with high magnetic energy level. Therefore, the volume of the rare earth permanent magnet brushless motor is reduced by one machine seat number compared with that of a same-capacity three-phase asynchronous motor.

The problem that the copper wire is difficult to wind when winding is carried out in the existing rotor structure, and the stability of the motor and the size of noise are directly determined by the stability of the rotor during installation, so that the winding of the copper wire on the rotor and the stability of the rotor installation are problems which need to be solved urgently.

Disclosure of Invention

An object of the utility model is to provide a rotor structure for brushless motor for electric motor car to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rotor structure for brushless motor for electric motor car, includes rotor device, pivot and magnetic sleeve, rotor device includes that rotor main part and rotor main part outer fringe personally submit the wire winding board of annular array structure, the one end structure that rotor main part was kept away from to the wire winding board is wedge structure, and fixed with spacing arc board cooperation, the center of rotor main part is pegged graft and is had a set of pivot, and the both ends of pivot extend outside the rotor main part to with magnetic sleeve clearance fit, the inner edge of magnetic sleeve is personally submitted annular array and is provided with multiunit arc magnetic sheet.

Preferably, a groove for installing the rotating shaft is formed in the rotor body, a plurality of groups of clamping blocks are constructed in the groove in an annular array manner, and a plurality of groups of clamping grooves matched with the clamping blocks are formed in one side of the outer edge surface of the rotating shaft in an annular array manner.

Preferably, a fixing wire groove for limiting the coil is formed in one side, facing the rotor body, of the winding plate.

Preferably, one side of the limiting arc plate facing the winding plate is provided with a group of grooves matched with the winding plate, and one side of the limiting arc plate far away from the winding plate is provided with a bolt limiting groove for installing a limiting bolt in the middle.

Preferably, the limiting bolts are equidistantly arranged in the bolt limiting grooves and are connected into the winding plate in a threaded mode.

Preferably, magnetic sleeve one side opening, and the bottom is provided with and supplies pivot complex roller bearing, a set of steadying plate is installed to the opening part of magnetic sleeve, steadying plate is the loop configuration, and the center cooperation has a set of roller bearing, and roller bearing and pivot extend in the outer one end cooperation of rotor body.

Preferably, one side of the stabilizing plate, which is far away from the magnetic sleeve, is provided with a group of limiting seal rings, and the periphery of each limiting seal ring is provided with a plurality of groups of positioning bolts of the limiting stabilizing plates in an annular array.

The utility model discloses a technological effect and advantage: according to the rotor structure for the brushless motor for the electric vehicle, the position of the copper wire in the winding groove which is formed on one side of the winding plate of the rotor main body, close to the rotor main body, is convenient to limit when the copper wire is wound, the position limiting arc plate which is in threaded connection with one side of the winding plate, far away from the rotor main body, is convenient to wind the copper wire in a disassembling state, the copper wire is convenient to protect in an assembling state, and the convenience and reliability of the installation of the copper wire are effectively; the rotor main body and the rotating shaft are clamped with the clamping grooves through the clamping blocks, the rotating shaft and the magnetic sleeve are matched through the two groups of roller bearings on two sides, the stabilizing plates matched with the group of roller bearings are packaged by the limiting sealing rings, and the stability of the whole rotor during operation is effectively realized.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the rotor device of the present invention;

fig. 3 is a cross-sectional view taken along line a-a of fig. 2 according to the present invention.

In the figure: the rotor comprises a rotor device 1, a rotating shaft 2, a 201 clamping groove, a 3 magnetic sleeve, a 301 arc-shaped magnetic sheet, a 4 rotor main body, a 401 clamping block, a 5 winding plate, a 501 wire fixing groove, a 6 limiting arc plate, a 601 bolt limiting groove, a 7 limiting bolt, an 8 stabilizing plate, a 9 roller bearing, a 10 limiting seal ring and a 11 positioning bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a rotor structure for brushless motor for electric motor car as shown in fig. 1-3, including rotor device 1, pivot 2 and magnetic sleeve 3, rotor device 1 includes rotor body 4 and rotor body 4 outer fringe and personally submits the winder 5 of annular array structure, the one end structure that rotor body 4 was kept away from to winder 5 is the wedge structure, and fixed with 6 cooperations of spacing arc board, it has a set of pivot 2 to peg graft at rotor body 4's center, and the both ends of pivot 2 extend outside rotor body 4 to with 3 clearance fit of magnetic sleeve, the annular array is personally submitted to the inner edge of magnetic sleeve 3 and is provided with multiunit arc magnetic sheet 301 (can select to use neodymium iron boron magnetism body), during concrete implementation, can add the drive of establishing electrically conductive electrode circle realization rotor device 1 by the bottom of magnetic sleeve 3.

Specifically, a groove for installing the rotating shaft 2 is formed in the rotor body 4, a plurality of groups of fixture blocks 401 are constructed in the groove in an annular array manner, and a plurality of groups of clamping grooves 201 matched with the fixture blocks 401 are formed in one side of the outer edge surface of the rotating shaft 2 in an annular array manner.

Specifically, the wiring board 5 has been seted up towards one side of rotor body 4 and has been supplied spacing alignment groove 501 of coil, and wiring board 5 is close to the alignment groove 501 of rotor body 4 one side structure and is convenient for the copper wire around the spacing when establishing, when using, need earlier on every group wiring board 5 around establishing the electric coil number of turns of adaptation, and its number of turns is around establishing according to user's demand control.

Specifically, spacing arc 6 has a set of groove that agrees with winder 5 towards one side structure of winder 5, and spacing arc 6 keeps away from one side of winder 5 and sets up the bolt spacing groove 601 that supplies spacing bolt 7 to install between two parties, and winder 5 keeps away from spacing arc 6 of rotor main part 4 one side threaded connection and is convenient for around establishing of copper wire under the dismantlement state, and the protection of the copper wire of being convenient for under the installation state effectively ensures the convenient and reliable of copper wire installation.

Specifically, the limiting bolts 7 are equidistantly arranged in the bolt limiting grooves 601 and are connected into the winding board 5 through threads, and the limiting bolts 7 limit the limiting arc plates 6 on the winding board 5.

Specifically, 3 one side openings of magnetic sleeve, and the bottom is provided with and supplies 2 complex roller bearing 9 of pivot, a set of stabilizer plate 8 is installed to the opening part of magnetic sleeve 3, stabilizer plate 8 is the ring annular structure, and the center cooperation has a set of roller bearing 9, and roller bearing 9 and pivot 2 extend in the outer one end cooperation of rotor body 4, through fixture block 401 and draw-in groove 201 joint between rotor body 4 and the pivot 2, and pivot 2 and magnetic sleeve 3 are through the two sets of roller bearing 9 cooperations of both sides, a set of spacing seal ring 10 is installed to one side that magnetic sleeve 3 was kept away from to stabilizer plate 8, the periphery of spacing seal ring 10 is the positioning bolt 11 that the annular array was provided with the spacing stabilizer plate 8 of multiunit, and stabilizer plate 8 is packaged by spacing seal ring 10, effectively realizes the stability when whole operation.

Specifically, when the rotor structure for the brushless motor for the electric vehicle is used, the rotor structure needs to wind the coil turns on each group of winding plates 5, and then the limiting arc plates 6 are installed one by one, the limiting arc plate 6 seals the coil fixed on the winding plate 5, the rotating shaft 2 is inserted into the rotor body 4 to complete the assembly of the rotor device 1, the assembled rotor device 1 is arranged in the magnetic sleeve 3, and one end of the rotating shaft 2 provided with the clamping groove 201 is connected into the roller bearing 9 arranged at the bottom end of the magnetic sleeve 3, and a stabilizing plate 8 is arranged at the opening of the magnetic sleeve 3, so that the other end of the rotating shaft 2 is matched and stabilized by another group of roller bearings 9, finally a limit seal ring 10 is packaged and the stabilizing plate 8 is limited by a plurality of groups of positioning bolts 11 to realize the integral stability, this rotor structure for brushless motor for electric motor car, easily installation and stability are strong, have higher practical value.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a rotor structure for brushless motor for electric motor car, includes rotor device (1), pivot (2) and magnetic sleeve (3), its characterized in that: rotor device (1) personally submits winder (5) of annular array structure including rotor main part (4) and rotor main part (4) outer fringe, the one end structure that rotor main part (4) were kept away from in winder (5) is the wedge structure, and fixed with spacing arc board (6) cooperation, the center of rotor main part (4) is pegged graft and is had a set of pivot (2), and the both ends of pivot (2) extend outside rotor main part (4) to with magnetic sleeve (3) clearance fit, the inner edge of magnetic sleeve (3) is personally submitted annular array and is provided with multiunit arc magnetic sheet (301).

2. The rotor structure for a brushless motor for an electric vehicle according to claim 1, wherein: the rotor comprises a rotor body (4), wherein a groove for installing a rotating shaft (2) is formed in the rotor body (4), a plurality of groups of clamping blocks (401) are constructed in the groove in an annular array mode, and a plurality of groups of clamping grooves (201) matched with the clamping blocks (401) are formed in one side of the outer edge surface of the rotating shaft (2) in an annular array mode.

3. The rotor structure for a brushless motor for an electric vehicle according to claim 1, wherein: and one side of the winding plate (5) facing the rotor body (4) is provided with a fixed line groove (501) for limiting a coil.

4. The rotor structure for a brushless motor for an electric vehicle according to claim 1, wherein: and one side of the limiting arc plate (6) facing the winding plate (5) is provided with a group of grooves matched with the winding plate (5), and one side of the limiting arc plate (6) far away from the winding plate (5) is provided with a bolt limiting groove (601) for installing a limiting bolt (7) in the middle.

5. The rotor structure for a brushless motor for an electric vehicle according to claim 4, wherein: the limiting bolts (7) are arranged in the bolt limiting grooves (601) at equal intervals and are connected into the winding plate (5) through threads of the limiting bolts (7).

6. The rotor structure for a brushless motor for an electric vehicle according to claim 1, wherein: magnetic sleeve (3) one side opening, and the bottom is provided with supplies pivot (2) complex roller bearing (9), a set of steadying plate (8) is installed to the opening part of magnetic sleeve (3), steadying plate (8) are the annular structure, and the center cooperation has a set of roller bearing (9), and roller bearing (9) and pivot (2) extend in the outer one end cooperation of rotor main part (4).

7. The rotor structure for a brushless motor for an electric vehicle according to claim 6, wherein: one side of the stabilizing plate (8) far away from the magnetic sleeve (3) is provided with a group of limiting seal rings (10), and the periphery of each limiting seal ring (10) is provided with positioning bolts (11) of a plurality of groups of limiting stabilizing plates (8) in an annular array.