CN201956802U - Connector for three-phase asynchronous motor and transmission of electrical automobile - Google Patents
Connector for three-phase asynchronous motor and transmission of electrical automobile Download PDFInfo
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- CN201956802U CN201956802U CN2010206197839U CN201020619783U CN201956802U CN 201956802 U CN201956802 U CN 201956802U CN 2010206197839 U CN2010206197839 U CN 2010206197839U CN 201020619783 U CN201020619783 U CN 201020619783U CN 201956802 U CN201956802 U CN 201956802U
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- ring flange
- motor
- hole
- big disk
- gear
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Abstract
The utility model discloses a connector for a three-phase asynchronous motor and a transmission of an electrical automobile, which belongs to the technical field of power system structures of pure electrical automobiles. One end of the connector is in a large disc shape; and the other end of the connector is in a ring flange shape of a small disc. An output shaft of the motor is reliably connected with a gear at the input end of the transmission. The connector has the characteristics of lightened whole weight, firm structure, favorable safety, high reliability, low cost and the like. The connector can be widely applied to various pure electrical automobiles.
Description
One. technical field
The utility model belongs to the power-driven system technical field of structures of pure electric automobile, is specifically related to the structure of the coupling arrangement of automotive electric motors and speed changer.
Two. technical background
The research and development of the pure electric automobile in the new-energy automobile are the focuses that countries in the world are paid close attention to, and the drive motors of one of critical piece of electric automobile then is one of its critical component.
At present, the drive motors of pure electric automobile use mainly contains direct current string utmost point motor, direct current separately excited machine, permagnetic synchronous motor, switched reluctance machines etc.Direct current string utmost point motor, direct current separately excited machine all have carbon brush and commutator, and in use carbon brush is wanted mutual friction mutually with commutator and worn and torn, and produces spark simultaneously.Because carbon brush and commutator want mutual friction mutually to produce wearing and tearing, require the user in certain hour (1 year～2 years), motor internal is cleaned and safeguards, must change carbon brush in 4 years～5 years.So increased maintenance cost, two influence electrical machinery life.Simultaneously, produce electromagnetic interference because produce spark.On year-on-year basis, permagnetic synchronous motor does not need to clean and safeguard that simultaneously, the life-span also is better than direct current string utmost point motor, direct current separately excited machine owing to do not have carbon brush and commutator.But, because the fragility of magnet steel, easy loss of excitation and influence shortcomings such as motor performance, cost height at high temperature are not popular with users.The performance of electric automobile various motor commonly used relatively sees the following form:
| Project | DC motor | Alternating current motor | Permanent magnet motor |
| Reliability | Generally | Good | Good |
| Property firm in structure | Difference | Good | Generally |
| The profile size | Greatly | In | Little |
| Present cost | Higher | Low | High |
| The controller cost | Low | Higher | Higher |
The motor of electric motor car at present and gearbox are independent separately, establish one's own system, and motor has end cap, and gearbox has cover plate, is unfavorable for reducing cost, alleviating complete vehicle weight.
The threephase asynchronous of existing electric automobile and the coupling of speed changer, as on December 13rd, 2006 disclosed publication number be " a kind of used for electric vehicle motor-driven and transmission device " patent of CN 1876419A, disclosed coupling arrangement is made up of the power shaft of output shaft, connector, inner spline sleeve and the automatic mechanical transmission of motor.Feature is: on the power shaft of the output shaft of motor and automatic mechanical transmission, be processed with spline respectively, the output shaft of motor is fixedly connected by the power shaft of inner spline sleeve and automatic mechanical transmission, the both ends of the surface of the connector end face of the end face by bolt and motor field frame and automatic mechanical transmission housing respectively are affixed, adopt the fourth gear mechanical transmission, low third gear is used to mate alternating current motor, and high third gear is used to mate DC motor.The major defect of this patent is: this patent has been used connector and sleeve in order to realize speed changer with connecting of motor, this draw bail complexity has increased complete vehicle weight, and power consumption is high, has increased maintenance workload again, has further increased cost, and is less economical.
Three. summary of the invention
The purpose of this utility model is the deficiency at existing electric automobile motor and speed changer coupling arrangement, a kind of threephase asynchronous of electric automobile and the coupling of speed changer are provided, have complete vehicle weight, firm in structure, the characteristics such as fail safe good, reliability is high, cost is low of having alleviated.
The technical scheme that realizes the utility model purpose is: a kind of threephase asynchronous of electric automobile and the coupling of speed changer comprise the gear and the housing of the output shaft of motor and front end housing, ring flange, speed changer input.It is characterized in that: the material of described ring flange is round steel or cast steel etc., and ring flange is shaped as an end and is big disk, and the other end is the plate-like housing of roundel.The external diameter of described big disk is that 50～70mm, internal diameter are 15～30mm, highly are 10～25mm.The external diameter of described roundel is that 20～40mm, internal diameter are 15～30mm, highly are 5～15mm.On the outer circumferential edge of the axial center hole of described ring flange, a keyway is set, by this keyway and key that the output shaft of the roundel of described ring flange and motor is affixed, so that transmit kinetic energy.On the circumferential edge of the big disk of described ring flange, evenly be provided with the corresponding tapped through hole in hole on the gear with the gearbox input, by through hole and the screw on tapped through hole on the described big disk and the described gearbox gear, that the gear of the big disk end of described ring flange and speed changer input is affixed.On the circumference of described ring flange big disk, also be provided with corresponding positioning through hole on the gear with the gearbox input, when mounted, the positioning through hole of earlier logical described big disk and location hole and the alignment pin on the described gear, the big disk of described ring flange and the gear of described speed changer are accurately located, again that it is affixed, with the accuracy of guaranteeing that motor connects with speed changer by described ring flange.
Front end housing to described motor, guarantee with the constant condition of the former draw bail of motor under, only increase contour structures, the shape and the size of the front end housing of motor are mated with the shape and the size of described case of transmission input, and on the excircle of the motor front end housing behind the described change contour structures, the corresponding through hole of through hole with case of transmission is set, by these through holes and rubber blanket and bolt with holes, the front end housing of the front end housing of described motor and described case of transmission is affixed, guarantee its sealing.
The utility model mainly contains following effect after adopting technique scheme:
1. by the improved front end housing of motor, rubber blanket and gear box casing is affixed is connected together, this can both seal gearbox, connector and cover plate have been saved again, therefore simple in structure firm again, this had both alleviated complete vehicle weight, had reduced energy consumption, had reduced maintenance workload again, further reduce cost, and improved the reliability and the fail safe of car load.
2. by ring flange the output shaft of motor and the input end gear of speed changer are fixed together, can give speed changer with the transmission of power of motor reliably, this compact conformation is firm, has reduced energy loss again, has guaranteed safety, the reliability of automobile.
The utility model can be widely used in the pure electric automobile.
Four. description of drawings
Fig. 1 is a structure chart of the present utility model;
Fig. 2 is the flange plate structure figure of present embodiment 1;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the structure chart of the front end housing of present embodiment 1.
Among the figure: 1 case of transmission, 2 gears, 3 screws, 4 ring flanges, 5 front end housings, 6 bolts, 7 motor, 8 keyways, 9 tapped through holes, 10 positioning through hole.
Five. embodiment
Below in conjunction with embodiment, further specify the utility model.
Shown in Fig. 1-5, a kind of threephase asynchronous of electric automobile and the coupling of speed changer comprise the gear 3 and the gear box casing 1 of the output shaft of motor 7 and front end housing 5, ring flange 4, speed changer input.It is characterized in that: the material of described ring flange 4 is round steel or cast steel etc., and ring flange 4 is shaped as an end and is big disk, and the other end is the plate-like housing of roundel.The external diameter of described big disk be 59.5mm, internal diameter be 23mm, highly for 19mm.The external diameter of described roundel be 32mm, internal diameter be 23mm, highly for 9.5mm.On the outer circumferential edge of the axial center hole of described ring flange 4, a keyway 8 is set, by this keyway 8 and key, that the output shaft of the roundel end of described ring flange 4 and motor is affixed so that transmit kinetic energy.On the circumferential edge of the big disk of described ring flange 4, evenly be provided with corresponding 6 tapped through holes 9 in hole on the gear 2 with the gearbox input, by tapped through hole 9 and screw 3, that the gear 2 of the big disk end of described ring flange 4 and speed changer input is fixed.On the circumference of described ring flange 4 big disks, also be provided with corresponding positioning through hole 10 on the gear 2 with the gearbox input, when mounted, earlier by the positioning through hole 10 of alignment pin and described big disk and the location hole on the described gear 2, the big disk of described ring flange 4 and the gear 2 of described speed changer are accurately located, again that it is affixed, with the accuracy of guaranteeing that motor 7 connects with speed changer by described ring flange 4.
A kind of threephase asynchronous of electric automobile and the coupling of speed changer, with embodiment 1, wherein: the external diameter of the big disk of ring flange 4 be 50mm, internal diameter be 15mm, highly for 10mm, the external diameter of described roundel is that 20mm, internal diameter are 15mm, highly are 5mm.
A kind of threephase asynchronous of electric automobile and the coupling of speed changer, with embodiment 1, wherein: the external diameter of the big disk of ring flange 4 be 70mm, internal diameter be 30mm, highly for 25mm, the external diameter of described roundel is that 40mm, internal diameter are 30mm, highly are 15mm.
Claims (4)
1. the coupling of the threephase asynchronous of an electric automobile and speed changer, the output shaft and the front end housing (5) that comprise motor (7), ring flange (4), gear of speed changer input (3) and gear box casing (1), it is characterized in that: the material of described ring flange (4) is round steel or cast steel, the end that is shaped as of ring flange (4) is big disk, the other end is the plate-like housing of roundel, the external diameter of described big disk is 50～70mm, internal diameter is 15～30mm, highly be 10～25mm, the external diameter of described roundel is 20～40mm, internal diameter is 15～30mm, highly be 5～15mm, on the outer circumferential edge of the axial center hole of described ring flange (4), a keyway (8) is set, by this keyway (8) and key, the output shaft of the roundel end of described ring flange (4) and motor is affixed, on the circumferential edge of the big disk of described ring flange (4), evenly be provided with the corresponding tapped through hole of through hole (9) on the gear (2) with the gearbox input, by through hole (9) on tapped through hole on the described big disk and the described gearbox gear and screw (3), the gear (2) of the big disk end of described ring flange (4) and speed changer input is affixed, on the circumference of described ring flange (4) big disk, also be provided with the gear (2) of gearbox input and go up corresponding positioning through hole (10), when mounted, earlier by the positioning through hole (10) of described big disk and location hole and the alignment pin on the described gear (2), the big disk of described ring flange (4) and the gear (2) of described speed changer are accurately located, again that it is affixed;
Front end housing (5) to described motor (7), guarantee with the constant condition of the former draw bail of motor (7) under, only increase contour structures, the shape and the size of the front end housing (5) of motor (7) are mated with the shape and the size of described case of transmission (1) input, and on the excircle of the front end housing (5) of the motor (7) behind the described change contour structures, the corresponding through hole of through hole with case of transmission (1) is set, by these through holes and rubber blanket and bolt (6) with holes, that the front end housing (5) of described motor (7) is affixed with the front end housing of described case of transmission (1).
2. according to the threephase asynchronous of the described a kind of electric automobile of claim 1 and the coupling of speed changer, it is characterized in that: the external diameter of described ring flange (4) big disk be 59.5mm, internal diameter be 23mm, highly for 19mm, the external diameter of described roundel be 32mm, internal diameter be 23mm, highly for 9.5mm, on the circumferential edge of described ring flange (4) big disk, evenly be provided with corresponding 6 tapped through holes in hole (9) on the gear (2) with the gearbox input.
3. according to the threephase asynchronous of the described a kind of electric automobile of claim 1 and the coupling of speed changer, it is characterized in that: the external diameter of the big disk of described ring flange (4) be 50mm, internal diameter be 15mm, highly for 10mm, the external diameter of described roundel is that 20mm, internal diameter are 15mm, highly are 5mm.
4. according to the threephase asynchronous of the described a kind of electric automobile of claim 1 and the coupling of speed changer, it is characterized in that: the external diameter of the big disk of described ring flange (4) be 70mm, internal diameter be 30mm, highly for 25mm, the external diameter of described roundel is that 40mm, internal diameter are 30mm, highly are 15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206197839U CN201956802U (en) | 2010-11-23 | 2010-11-23 | Connector for three-phase asynchronous motor and transmission of electrical automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206197839U CN201956802U (en) | 2010-11-23 | 2010-11-23 | Connector for three-phase asynchronous motor and transmission of electrical automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201956802U true CN201956802U (en) | 2011-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206197839U Expired - Fee Related CN201956802U (en) | 2010-11-23 | 2010-11-23 | Connector for three-phase asynchronous motor and transmission of electrical automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201956802U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225639A (en) * | 2013-05-15 | 2013-07-31 | 慈溪奥博汽车电器有限公司 | Output shaft mechanism for vehicle starter and manufacturing method of output shaft mechanism |
| CN110641351A (en) * | 2019-09-26 | 2020-01-03 | 驻马店中集华骏车辆有限公司 | Rotary lock assembly of container transport semitrailer and automatic rotary lock control system |
-
2010
- 2010-11-23 CN CN2010206197839U patent/CN201956802U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225639A (en) * | 2013-05-15 | 2013-07-31 | 慈溪奥博汽车电器有限公司 | Output shaft mechanism for vehicle starter and manufacturing method of output shaft mechanism |
| CN110641351A (en) * | 2019-09-26 | 2020-01-03 | 驻马店中集华骏车辆有限公司 | Rotary lock assembly of container transport semitrailer and automatic rotary lock control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20131123 |