CN213906533U

CN213906533U - Vehicle motor structure

Info

Publication number: CN213906533U
Application number: CN202023069795.1U
Authority: CN
Inventors: 不公告发明人
Original assignee: Licha Qixue
Current assignee: Licha Qixue
Priority date: 2019-12-19
Filing date: 2020-12-18
Publication date: 2021-08-06
Anticipated expiration: 2030-12-18
Also published as: TWM613442U; TW202131608A

Abstract

The utility model relates to a vehicle motor structure, it is equipped with a stator unit and two rotor unit mainly in a casing, and each group is equipped with a stator ring in the relative both ends of the stator base of this stator unit, each group is equipped with a plurality of permanent magnetic disks on the terminal surface of the rotor base of two this rotor unit again, it is corresponding with the terminal surface of the stator ring at the both ends of this stator base respectively, in view of the above, the terminal surface of establishing permanent magnetic disk and two stator rings through the terminal surface of two rotor bases corresponds the design each other, can more increase the response area of stator ring and permanent magnetic disk, in order to reach the effect that effectively improves horsepower and torsion output.

Description

Vehicle motor structure

Technical Field

The present invention relates to a vehicle motor structure, and more particularly to a vehicle motor structure capable of improving horsepower and torque output.

Background

Hybrid electric vehicles (hybrid vehicles) and pure electric vehicles (pure electric vehicles) use a motor to provide power for vehicle travel. Please refer to In-coil electric motors of U.S. patent publication No. US2005/0045392, "In-wheel electric motors of U.S. patent publication No. US 2005/0302390," Bidirectional motor with indirect inductive o-speed output "of U.S. patent publication No. US2012/0302390, and" motor hub "of chinese patent publication No. CN105882384A, wherein the vehicle motor structure disclosed In these patents is mainly disposed In a wheel frame, and includes a stator unit, a rotor unit, and a wheel axle, wherein a plurality of silicon steel sheets are assembled on the stator unit, coils are wound on the silicon steel sheets, an inner space is defined by a rotor of the rotor unit, the stator unit is accommodated In the stator unit, and a plurality of magnets are arranged at intervals on a side wall of the rotor housing, so that the plurality of magnets are wound around the silicon steel sheets of the stator unit.

Therefore, when the coil of the stator unit arranged in the existing vehicle motor is electrified and interacts with the magnet of the rotor unit, the rotor shell of the rotor unit can drive the wheel frame connected with the rotor unit to rotate so as to drive the vehicle to move. However, since the side wall of the rotor case of the conventional vehicle motor has a small area and space for assembling the magnet, an inductive area between the magnet provided in the rotor case and the silicon steel sheet of the stator unit is relatively reduced, so that the output horsepower and torque of the conventional vehicle motor are relatively reduced. In addition, the conventional motor for a vehicle has a plurality of silicon steel sheets stacked and locked on the stator unit, so that assembly is time-consuming and troublesome, gaps between the plurality of silicon steel sheets form a certain space, and as the space is larger and the air gap is increased, magnetic force flow is more and more unsmooth, and the motor operation efficiency is also reduced.

SUMMERY OF THE UTILITY MODEL

The present invention relates to a vehicle motor structure, and more particularly to a vehicle motor structure having a stator unit and two rotor units disposed in a motor housing to increase the inductive area of the stator ring of the stator unit and the permanent magnetic disk of the two rotor units, thereby effectively improving the horsepower and torque output.

In order to achieve the above-mentioned object, the present invention provides a vehicle motor structure, which comprises a housing, a cavity formed in the housing, a stator unit and two rotor units disposed in the cavity of the housing, the stator unit comprising a stator base, a stator ring disposed at each of two opposite ends of the stator base, a plurality of coils wound on the stator ring, two rotor units respectively comprising a rotor base, a plurality of permanent magnetic disks disposed at each of two end surfaces of the rotor base facing the stator unit, the permanent magnetic disks at the end surfaces of the two rotor bases respectively corresponding to the end surfaces of the stator ring at the two ends of the stator base, a main shaft disposed at the center of the stator base and the center of the two rotor bases respectively, the main shaft passing through the shaft hole of the stator base and the shaft holes of the two rotor bases, and one end of the main shaft penetrates out of one shaft hole of the rotor base.

The vehicle motor structure as described above, wherein the rotor base of the rotor unit is fixed to the housing, and the main shaft is fixedly coupled to the stator base of the stator unit.

The vehicle motor structure as described above, wherein two opposite ends of the casing respectively form an open end, and the two open ends are communicated with the cavity of the casing, the two rotor bases are respectively located at the two open ends of the casing to seal the two ends of the cavity, at least one bearing is respectively arranged in the shaft holes of the two rotor bases, and the main shaft is connected with the bearings in the shaft holes of the two rotor bases in a penetrating manner.

The vehicle motor structure as described above, wherein the stator base has a through hole at a side of the shaft hole, the two coils of the stator ring of the stator base are connected through the through hole of the stator base, the spindle has a wire outlet, the wire outlet is inclined with the axial direction of the spindle, the wire outlet forms a first end and a second end opposite to the first end, the first end of the wire outlet is located in the cavity of the housing, the second end of the wire outlet is located outside one of the rotor bases, and the two coils of the stator ring pass through the wire outlet from the first end of the wire outlet and pass through the second end of the wire outlet.

The vehicle motor structure as described above, wherein the stator base of the stator unit is fixed to the housing, and the main shaft is fixedly coupled to the rotor bases of the two rotor units.

The motor structure of the vehicle as described above, wherein the opposite ends of the casing respectively form an open end and a closed end, the open end is communicated with the cavity of the casing, the inner surface of the closed end of the casing is provided with a groove, the groove is provided with at least one bearing, the shaft hole of the stator base is provided with at least one bearing, one end of the spindle penetrates through the bearing in the groove of the casing and is connected with the bearing in the shaft hole of the stator base in a penetrating manner, and the other end of the spindle penetrates out of the shaft hole of the rotor base adjacent to the open end of the casing.

In the above vehicle motor structure, the casing has two wire outlets on one side, the two wire outlets are communicated with the cavity of the casing, and the lines of the coils of the two stator rings respectively penetrate out of the two wire outlets of the casing.

In the above vehicle motor structure, the casing has a fixing flange surrounding the peripheral wall, and the fixing flange has a plurality of locking holes.

The vehicle motor structure as described above, wherein the stator ring is integrally wound by a strip-shaped silicon steel sheet to form a ring body.

The motor structure of the vehicle as described above, wherein the stator ring has a plurality of winding holes spaced apart from each other in a radial direction, a groove is formed in an end surface of the stator ring corresponding to each winding hole, the groove is communicated with the winding hole, a coil is wound between two adjacent winding holes, and two adjacent coils are connected in series.

Therefore, the vehicle motor structure of the utility model is designed by the mutual correspondence of the permanent magnetic discs arranged on the end surfaces of the two rotor bases and the end surfaces of the two stator rings, the inductive area of the stator ring of the motor and the permanent magnetic disk can be increased to effectively increase the output of horsepower and torque force, in addition, the air gap of the stator ring of the vehicle motor structure of the utility model is extremely small, thereby being beneficial to improving the smoothness of magnetic force circulation and magnetic flux effect, moreover, the stator ring is integrally formed by winding a strip-shaped silicon steel sheet, so that the thickness of the stator ring can be reduced to increase the slot occupation ratio and the winding coefficient of the coil, while the magnetic flux effect is improved, the induction area is multiplied, the unit area current quantity, the torque and the power generation efficiency are improved, the output of horsepower and torsion which are more than several times can be obtained by the same voltage and current, and the effects of saving electric energy, improving the endurance of the vehicle and the like are achieved.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

FIG. 1: the first three-dimensional exploded view of the utility model;

FIG. 2: the second three-dimensional exploded view of the utility model;

FIG. 3: the third three-dimensional exploded view of the utility model;

FIG. 4: the utility model is a three-dimensional view;

FIG. 5: the utility model has a sectional view;

FIG. 6: the utility model discloses a use state diagram;

FIG. 7: a cross-sectional view of another embodiment of the present invention;

FIG. 8: the utility model discloses a use state diagram of another embodiment.

The reference numbers illustrate:

1: the housing 11: containing chamber

12: open end 13: open end

14: closed end 141: groove

15: bearing 16: locking part

17: fixing flange 171: lock hole

18: wire outlet hole 2: stator unit

21: stator base 211: shaft hole

212: through hole 22: stator ring

221: the winding hole 222: cutting groove

23: coil 24: bearing assembly

3: the rotor unit 31: rotor base

311: shaft hole 32: permanent magnetic disk

33: bearing 34: leakage-proof ring

35: the locking piece 4: main shaft

41: outlet hole 42: locking part

43: the locking piece 5: vehicle with a steering wheel

51: vehicle body 52: wheel of vehicle

521: the wheel frame 53: suspension rack

54: power supply unit 55: gear box

56: differential gear

Detailed Description

In order to clearly understand the technical solution, purpose and effect of the present invention, the detailed embodiments of the present invention will be described with reference to the accompanying drawings.

First, please refer to fig. 1 to 5, which illustrate a vehicle motor structure of the present invention, mainly comprising:

a shell 1, wherein a cavity 11 is arranged in the shell 1, and two opposite ends of the shell 1 respectively form an open end 12 to be communicated with the cavity 11;

a stator unit 2, which makes the stator unit 2 arranged in the cavity 11 of the shell 1, the stator unit 2 comprises a disc-shaped stator base 21, a shaft hole 211 is formed at the center of the stator base 21, a through hole 212 is formed at the side of the shaft hole 211 of the stator base 21, a stator ring 22 is respectively disposed at the two opposite ends of the stator base 21, the stator ring 22 is mainly formed by winding a strip-shaped silicon steel sheet into a ring body from inside to outside, and a plurality of winding holes 221 are arranged at intervals in the radial direction of the stator ring 22, and a cutting groove 222 is respectively arranged on the end surface of the stator ring 22 corresponding to each winding hole 221, the corresponding groove 222 is connected to the winding hole 221, and a coil 23 is wound between two adjacent winding holes 221, and two adjacent coils 23 are connected in series, and the circuits of the coils 23 on the two stator rings 22 can be connected through the through holes 212 of the stator base 21;

two rotor units 3, two rotor units 3 are arranged in the cavity 11 of the housing 1, two rotor units 3 each comprise a disk-shaped rotor base 31, and the rotor bases 31 of the two rotor units 3 are respectively positioned at the two open ends 12 of the cavity 11, so as to form a housing cover for closing two open ends 12 of the cavity 11 of the housing 1, and to make the two rotor bases 31 and the housing 1 fixedly connected by screws and other fasteners 35, and to make the two rotor bases 31 respectively annularly arranged with a plurality of permanent magnetic disks 32 on the end surface facing the stator unit 2, the permanent magnetic disks 32 disposed on the end surfaces of the two rotor bases 31 are respectively corresponding to the end surfaces of the stator ring 22 at the two ends of the stator base 21, and a shaft hole 311 is disposed at the center of each of the two rotor bases 31, corresponding to the position of the shaft hole 211 of the stator base 21, and at least one bearing 33 and at least one leakage-proof ring 34 are respectively arranged in the shaft holes 311 of the two rotor bases 31;

a main shaft 4, the main shaft 4 is inserted into the shaft hole 211 of the stator base 21, and the main shaft 4 and the stator base 21 are fixedly combined by at least one locking member 42, the locking member 42 can be a fixed key, a screw or a bolt, and the main shaft 4 is inserted through the bearing 33 and the leakage-stopping ring 34 arranged in the shaft holes 311 of the two rotor bases 31, so that at least one end of the main shaft 4 is inserted out from the shaft hole 311 of one of the rotor bases 31, a wire outlet 41 is arranged on the main shaft 4, and the wire outlet 41 is inclined with the axial direction of the main shaft 4, the wire outlet 41 forms a first end and a second end opposite to each other, the opening of the first end of the wire outlet 41 is positioned in the cavity 11 of the housing 1, and the opening of the second end is positioned outside one of the rotor bases 31, so that the lines of the coils 23 on the two stators 22 of the stator unit 2 are inserted through the wire outlet 41 from the opening of the first end of the wire outlet 41, and the outlet of the second end of the outlet hole 41 is through.

Accordingly, in the implementation, please refer to fig. 6, a vehicle motor structure of the present invention is respectively installed at the rear wheels 52 on both sides of the vehicle body 51 of a vehicle 5, such that one end of the main shaft 4 of the vehicle motor structure is erected on the suspension frame 53 of the vehicle body 51, the vehicle motor structure is installed in the wheel frame 521 of the wheels 52, the housing 1 of the vehicle motor structure is locked with the wheel frame 521, the circuit of the coil 23 of the stator unit 2 is connected with the power supply unit 54 of the vehicle 5, the power supply unit 54 supplies power to the coils 23 on the two stator rings 22, such that the coils 23 on the two stator rings 22 respectively interact with the permanent magnetic discs 32 installed on the rotor bases 31 of the two rotor units 3 to generate a rotating magnetic field, thereby driving the rotor bases 31 of the two rotor units 3 to rotate, at this time, the housing 1 fixedly connected with the two rotor bases 31 rotates synchronously, and rotates the wheels 52 locked with the housing 1 to propel the vehicle 5.

Therefore, utilize the utility model discloses a permanent magnetic disk 32 that the terminal surface of the rotor base 31 of two rotor units 3 of vehicle motor structure establishes and the terminal surface of two stator rings 22 of the stator base 21 of this stator unit 2 corresponds the design each other, can increase the induction area of stator ring 22 and permanent magnetic disk 32 by a wide margin to effectively improve the horsepower of motor and the output of torsion, again because the utility model discloses a stator ring 22 is only equipped with the dissection 222 of minimum clearance on the terminal surface, therefore the air gap is minimum, is favorable to improving magnetic force circulation smoothness and magnetic flux effect, in addition, because the utility model discloses a stator ring 22 of vehicle motor structure is by an integrative coiling of rectangular shape silicon steel sheet is a ring form, so can reduce stator ring 22 thickness, with the groove rate and the winding coefficient that increase coil 23, and improve unit area electric current magnitude, torque and generating efficiency, herein, improve at the magnetic flux effect, The same voltage and current can be used to obtain horsepower and torque output more than several times under the conditions of multiplication of induction area, current amount per unit area, torque and power generation efficiency improvement, and the benefits of saving electric energy, improving the endurance of the vehicle 5 and the like can be achieved.

It should be noted that, the present invention is to respectively provide a stator ring 22 and its coil 23 at two ends of a stator base 21, and respectively provide a permanent magnetic disk 32 on each group of the rotor bases 31 of two rotor units 3 to correspond to the two stator rings 22, so that two sets of independently operable rotating systems can be configured in the motor without increasing the volume of the existing motor, thereby, when in use and implementation, one of the stator rings 22 and its coil 23 can be driven to drive the corresponding rotor unit 3 to rotate according to the difference of the required horsepower and torque force such as level ground or climbing, or two of the stator rings 22 and its coil 23 can be driven to move the two rotor units 3 simultaneously, so the present invention has more flexibility in use, and when one of the stator rings 22 and its coil 23 is damaged and can not drive the corresponding rotor unit 3 to rotate, the other set of stator ring 22 and its coil 23 can still drive the corresponding rotor unit 3 to rotate, so as to prevent the vehicle 5 from breaking down on the road.

The aforementioned embodiment or drawings do not limit the implementation style of the vehicle motor structure of the present invention, please refer to fig. 7, which is another embodiment of the vehicle motor structure of the present invention, wherein the opposite ends of the housing 1 respectively form an open end 13 and a closed end 14, the open end 13 is communicated with the cavity 11, the inner surface of the closed end 14 of the housing 1 is provided with a groove 141, at least one bearing 15 is disposed in the groove 141, at least one bearing 24 is disposed in the shaft hole 211 of the stator base 21, the spindle 4 is disposed through the bearing 24 disposed in the shaft hole 211 of the stator base 21, one end of the spindle 4 is disposed through the shaft hole 311 of one of the rotor bases 31 and connected to the bearing 15 disposed in the groove 141 of the housing 1 for positioning, and the other end of the spindle 4 is disposed through the shaft hole 311 of the other rotor base 31 adjacent to the open end 13 of the housing 1, the main shaft 4 and the two rotor bases 31 are fixedly combined by at least one locking member 43, the peripheral side of the stator base 21 is fixedly connected with the peripheral wall of the housing 1 by a plurality of locking members 16 such as screws, a fixing flange 17 is annularly arranged on the peripheral wall of the housing 1, a plurality of locking holes 171 are arranged on the fixing flange 17, two wire outlet holes 18 are arranged on one side of the housing 1, the two wire outlet holes 18 are communicated with the accommodating cavity 11, so that the circuits of the coils 23 arranged on the stator rings 22 at the two ends of the stator base 21 respectively penetrate out of the two wire outlet holes 18 of the housing 1. According to the design of the other embodiment, the wire outlet 41 of the main shaft 4 can be omitted, and the fixed connection state between the main shaft 4 and the stator base 21 is released, so that the main shaft 4 and the two rotor bases 31 are fixedly connected. When the vehicle is assembled and used, please refer to fig. 8, the motor structure of the vehicle according to the other embodiment is disposed in an engine room or a trunk of the vehicle 5, and screws or other fasteners are inserted into the locking holes 171 of the fixing flange 17 of the housing 1 to be locked and fixed with the engine room or the trunk of the vehicle 5, and one end of the main shaft 4 penetrating outside is connected to the rear two-side wheels 52 of the vehicle 5 through transmission components such as a transmission case 55 and a differential 56, so that when the two rotor bases 31 rotate, the main shaft 4 fixedly connected to the two rotor bases 31 can be driven to rotate synchronously, and then the transmission case 55 and the differential 56 connected to the main shaft 4 drive the rear two-side wheels 52 to rotate, so as to drive the vehicle 5 to move. Therefore, the vehicle motor structure is designed to be arranged in an engine room or a trunk of the vehicle 5, so that the size of the stator unit 2 and the rotor unit 3 can be increased according to the use requirement without being limited by the narrow space of the rim 521 of the wheel 52, the size of the stator ring 22 and the permanent magnetic disk 32 can be increased, the magnetic field effect of the stator ring 22 and the permanent magnetic disk 32 can be increased, and the horsepower and the torque output effect can be further improved.

With the above structure and the embodiment, the present invention has the following advantages:

1. the utility model discloses a vehicle motor structure is equipped with a stator ring in each group of the relative both ends of stator base, and each group of terminal surface in the rotor base of two this rotor units is equipped with a plurality of permanent magnetic disks again to it is corresponding with the terminal surface of two stator rings respectively, borrow this, can increase the response area of stator ring and permanent magnetic disk, reach the output horsepower and the torsion effect that effectively improve the motor.

2. The utility model discloses a vehicle motor structure makes the stator ring twine into the ring form by a rectangular shape silicon steel sheet, borrows this, can leave out and pile up the trouble of shaping stator ring with a plurality of silicon steel sheets to reduce stator ring and make man-hour and cost, and improve stator ring structural strength, can reduce stator ring thickness simultaneously, occupy slot rate and winding coefficient with the increase coil, and improve unit area current volume, torque and generating efficiency.

3. The utility model discloses a vehicle motor structure makes the terminal surface of stator ring circle be equipped with the grooving in minimum clearance, borrows the little design of air gap to in order to improve magnetic flow and circulate smoothly nature and promote the magnetic flow effect, herein, improve at the magnetic flow effect, the response area multiplication, unit area current magnitude, torque and generating efficiency promote down, can obtain horsepower and torsion output more than several times with same voltage and electric current, and reach and save the electric energy and promote vehicle duration effect.

4. The utility model discloses a vehicle motor structure, respectively be equipped with a stator ring and coil at a stator base's both ends, in order respectively corresponding with two rotor unit, can be under the existing volume condition of motor not increasing according to the design, dispose two sets of rotational system of independent function in the motor, borrow this, can adjust motor output horsepower and torsion according to the activity that uses needs, and have more the flexibility in the use, in addition, damage when a set of stator ring and coil wherein, when unable rotor unit that drives its correspondence rotates, another group stator ring and coil still can drive its rotor unit that corresponds and rotate, in order to effectively avoid the vehicle to take place situations such as anchor.

The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention. Moreover, it should be noted that the components of the present invention are not limited to the above-mentioned integral application, and various technical features described in the present invention can be selected to be used alone or in combination according to actual needs, so that the present invention naturally covers other combinations and specific applications related to the invention of the present invention.

Claims

1. A vehicle motor structure is characterized in that the vehicle motor structure is provided with a shell, the shell is formed with a containing cavity, a stator unit and two rotor units are arranged in the containing cavity of the shell, the stator unit comprises a stator base, two opposite ends of the stator base are respectively provided with a stator ring, the stator ring is wound with a plurality of coils, the two rotor units respectively comprise a rotor base, the end faces of the two rotor bases facing the stator unit are respectively provided with a plurality of permanent magnetic disks, the permanent magnetic disks on the end faces of the two rotor bases respectively correspond to the end faces of the stator rings on the two ends of the stator base, the vehicle motor structure is also provided with a main shaft, the center of the stator base and the center of the two rotor bases are respectively provided with a shaft hole, the main shaft penetrates through the shaft holes of the stator base and the shaft holes of the two rotor bases, and one end of the main shaft penetrates out of one shaft hole of the rotor base.

2. The vehicle motor structure according to claim 1, wherein a rotor base of the rotor unit is fixedly coupled to the housing, and the main shaft is fixedly coupled to a stator base of the stator unit.

3. The vehicle motor structure according to claim 2, wherein the opposite ends of the housing each form an open end, and the two open ends are communicated with the cavity of the housing, the two rotor bases are respectively located at the two open ends of the housing to close the two ends of the cavity, the shaft holes of the two rotor bases are respectively provided with at least one bearing, and the main shaft is connected with the bearings in the shaft holes of the two rotor bases in a crossing manner.

4. The vehicle motor structure according to claim 2, wherein the stator base has a through hole at a side of the shaft hole, the wires of the coils of the two stator rings of the stator base are connected through the through hole of the stator base, the main shaft has a wire outlet inclined in an axial direction of the main shaft, the wire outlet is formed at opposite first and second ends, the opening of the first end of the wire outlet is located in the cavity of the housing, the opening of the second end is located outside one of the rotor bases, and the wires of the coils of the two stator rings pass through the wire outlet from the opening of the first end of the wire outlet and pass through the opening of the second end of the wire outlet.

5. The vehicle motor structure according to claim 1, wherein the stator base of the stator unit is fixedly coupled to the housing, and the main shaft is fixedly coupled to the rotor bases of the two rotor units.

6. The vehicle motor structure according to claim 5, wherein the opposite ends of the housing respectively form an open end and a closed end, the open end is communicated with the cavity of the housing, the closed end of the housing has a groove on an inner surface thereof, the groove has at least one bearing therein, the shaft hole of the stator base has at least one bearing therein, one end of the main shaft is inserted into the bearing in the groove of the housing and is connected to the bearing in the shaft hole of the stator base, and the other end of the main shaft is inserted from the shaft hole of the rotor base adjacent to the open end of the housing.

7. The vehicle motor structure according to claim 5, wherein the housing has two outlet holes at one side, and the two outlet holes are communicated with the cavity of the housing, and the wires of the coils of the two stator rings are respectively led out from the two outlet holes of the housing.

8. The vehicle motor structure according to claim 5, wherein the housing is provided with a fixing flange around the peripheral wall, and the fixing flange is provided with a plurality of locking holes.

9. The vehicular motor structure according to claim 1, wherein the stator ring is integrally wound from an elongated silicon steel sheet to form a ring body.

10. The vehicle motor structure according to claim 1, wherein the stator ring is provided with a plurality of winding holes at radial intervals, a cut groove is provided on an end surface of the stator ring corresponding to each of the winding holes, the cut groove is communicated with the winding hole, a coil is wound between each of adjacent winding holes, and adjacent coils are connected in series.