CN202782677U - Power system of electric vehicle - Google Patents
Power system of electric vehicle Download PDFInfo
- Publication number
- CN202782677U CN202782677U CN201220463519XU CN201220463519U CN202782677U CN 202782677 U CN202782677 U CN 202782677U CN 201220463519X U CN201220463519X U CN 201220463519XU CN 201220463519 U CN201220463519 U CN 201220463519U CN 202782677 U CN202782677 U CN 202782677U
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- gear
- motor
- transmission shaft
- shaft
- power system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model discloses a power system of an electric vehicle. A motor shaft (3a) is provided with a first-gear driving gear (4) and a second-gear driving gear (5) along the axial direction; a transmission shaft (6) is provided with a first-gear driven gear (8) and a double-control bidirectional clutch (9); the first-gear driven gear (8) is engaged with the first-gear driving gear (4); a cover body of the double-control bidirectional clutch (9) is fixedly sleeved with a second-gear driven gear (11); the second-gear driven gear (11) is engaged with the second-gear driving gear (5); the transmission shaft (6) is further provided with an output gear (12); and the output gear (12) is engaged with a speed-reducing gear (13) on an output shaft (7). The power system of the electric vehicle, disclosed by the utility model, has the advantages of simple and compact structure, easiness and rapidness for assembling, small volume and low production cost; a torque and an impacting load which need to be borne in the operation process of a controllable gear shifting mechanism can be greatly reduced; and the power system of the electric vehicle has the advantages of convenience for operation, stability and reliability in gear shifting and good flexibility, and can effectively prevent impurities such as mud and sand from damaging a motor.
Description
Technical field
The utility model belongs to the vehicle technology field, specifically, and the particularly power system of battery-driven car.
Background technology
The battery-driven car side on-hook tool shift motor of producing in the market, and the Patents that has existed, all be that controlled gearshift is installed on the output shaft, but this topology layout has very large defective: 1) cam, retainer or floating bushing, roller are the important components of controllable bidirectional power-transfer clutch, when mechanical operation, the precision parts such as cam, retainer or floating bushing, roller will bear very large moment of torsion, are the basic reasons that causes such failure mechanisms rate; 2) gearshift motion and control assembly are installed on the output shaft, and the close position that enters easily dust and muddy water, and in the process of motor rotation, sealing member weares and teares easily, cause the impurity such as silt to enter into easily in the casing, thereby cause failure mechanisms; 3) control mechanism of controllable bidirectional power-transfer clutch utilizes inclined plane principle, by slope driving cone post, make the retainer of controllable bidirectional power-transfer clutch locked with output shaft or separate, not only complex structure, making and assembling difficulty, and clamping stagnation or damage occur easily, reliability is relatively poor.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of good reliability, can effectively avoid the power system of electric automobile that lost efficacy.
The technical solution of the utility model is as follows: a kind of power system of electric automobile, left shell (1) and right shell body (2) connect fixing, form gearbox body, motor (3) is installed on the gearbox body, it is characterized in that: the order that is input to output according to power is arranged in order three axles that are parallel to each other, be respectively: motor shaft (3a), transmission shaft (6) and output shaft (7), the motor shaft (3a) of described motor (3) stretches in the gearbox body, and support mutually by bearing and gearbox body, on motor shaft (3a), be provided with vertically a gear driving gear (4) and two and keep off driving gears (5); Be supported with transmission shaft (6) by bearing in the described gearbox body, at transmission shaft (6) gear driven gear (8) and a controllable bidirectional power-transfer clutch (9) is installed, a described gear driven gear (8) is set on the transmission shaft (6) by standard rolling bearing mono-directional overrun clutch (10), this gear driven gear (8) and gear driving gear (a 4) engagement, the combination of described controllable bidirectional power-transfer clutch (9) is controlled with separating by control mechanism, be installed with two gear driven gears (11) on the cover body of this controllable bidirectional power-transfer clutch (9), two gear driven gears (11) are meshed with two gear driving gears (5); On the next door of described transmission shaft (6) output shaft (7) is set, output shaft (7) supports mutually by bearing and gearbox body, and an end of output shaft (7) stretches out outside the gearbox body, also be provided with output gear (12) on described transmission shaft (6), this output gear (12) is meshed with reducing gear (13) on the output shaft (7).
The utility model is with controlled gearshift---on the transmission shaft in the middle of the controllable bidirectional power-transfer clutch is retrofitted to by output shaft, changed simultaneously the arrangement form of power shift gear, greatly reduce so controlled gearshift and will bear moment of torsion and impact load in running, can effectively avoid gearshift to lose efficacy; Simultaneously, gearshift is away from output shaft, also can not affect gearshift in the casing even there is the impurity such as a little silt to enter into, and guaranteed alerting ability and the long-time service life of controlled gearshift precision parts running.
Described control mechanism comprises control stalk (14), spring (15) and lateral pin (16), in described transmission shaft (6), be equipped with control stalk (14), spring (15) in one end of this control stalk (14) and the transmission shaft (6) connects, the other end of control stalk (14) stretches out outside the right shell body (2), on described control stalk (14), radially be equipped with lateral pin (16), oppositely stretch out outside the transmission shaft (6) at two of this lateral pin (16), and be provided with the positioning groove that matches with lateral pin (16) in the end of the retainer of controllable bidirectional power-transfer clutch (9).
Adopt above technical scheme, when exerting pressure to control stalk, control stalk is to the direction motion of spring, overcome simultaneously the elastic force of spring, lateral pin is mobile with control stalk, until lateral pin snaps in the positioning groove of controllable bidirectional power-transfer clutch retainer end, this moment, retainer and transmission shaft were locked, and the controllable bidirectional power-transfer clutch is in released state; When control effort on acting on control stalk disappeared, under the effect of spring force, to the direction motion away from spring, and lateral pin separated with the positioning groove of retainer end control stalk, makes the controllable bidirectional power-transfer clutch be in bonding state together with lateral pin.This shows, the control mechanism of controllable bidirectional power-transfer clutch not only simple in structure, the assembling easy, easy to operate, and control controllable bidirectional power-transfer clutch in conjunction with and the stationarity of separating and good reliability, clamping stagnation or damage situation can not occur, can Effective Raise service life.
Described right shell body (2) is embedded with wear-resistant sleeve (17) in the upper hole that supplies control stalk (14) to pass.Wear-resistant sleeve can be avoided control stalk when motion directly and right shell body rubs, in case wear and tear.
The end outer mask that stretches out right shell body (2) at described control stalk (14) is provided with cover of dust (18).Dustproof effect of building protection enters box house to prevent the foreign material such as silt from the gap of control stalk and casing.
In order to simplify electric machine structure, convenient processing and assembling, reduce production costs, described motor (3) is by motor shaft (3a), motor housing (3b), motor stator group (3c), rotor group (3d) and electric motor end cap (3e) consist of, the open at both ends of motor housing (3b), this motor housing (3b) end is fixed on the left shell (1), the other end is sealed by electric motor end cap (3e), fixed electrical machinery stator pack (3c) on the inwall of motor housing (3b), this motor stator group (3c) is looped around the outside of rotor group (3d), and rotor group (3d) is placed on the motor shaft (3a) admittedly.
In order to make the more compact structure in the gearbox body, described output gear (12) is structure as a whole with transmission shaft (6), and is positioned between a gear driven gear (8) and the controllable bidirectional power-transfer clutch (9).
Beneficial effect: the utility model is simple and compact for structure, assembling easily, fast, volume is small and exquisite, productive costs is low, not only greatly reduce moment of torsion and impact load that controlled gearshift will bear in running, and easy and simple to handle, and gearshift is steadily reliable, alerting ability is good, can effectively stop the impurity such as silt motor is caused damage.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1, left shell 1 and right shell body 2 connect fixing, form gearbox body.At the outside of left shell 1 fixed electrical machinery shell 3b, the open at both ends of this motor housing 3b, motor housing 3b one end is fixed on the left shell 1, and the other end is sealed by electric motor end cap 3e.At the inwall fixed installation motor stator group 3c of motor housing 3b, this motor stator group 3c is looped around the outside of rotor group 3d, and rotor group 3d is placed on the motor shaft 3a admittedly.The end of described motor shaft 3a is by bearing and electric motor end cap 3e supporting, and the other end of motor shaft 3a is by bearing and right shell body 2 supportings, and the middle part of motor shaft 3a is supported on the left shell 1 by bearing.Described motor shaft 3a, motor housing 3b, motor stator group 3c, rotor group 3d and electric motor end cap 3e form motor 3.Be positioned at motor shaft 3a and be provided with vertically a gear driving gear 4 and two gear driving gears 5 on the axle body of gearbox body, wherein, a gear driving gear 4 is structure as a whole with motor shaft 3a, and two gear driving gears 5 are placed on the motor shaft 3a admittedly.
As shown in Figure 1, be provided with transmission shaft 6 in gearbox body, support mutually by bearing and left shell 1 and right shell body 2 respectively at the two ends of this transmission shaft 6.At described transmission shaft 6 gear driven gear 8 and a controllable bidirectional power-transfer clutch 9, one gear driven gears 8 are installed and are set on the transmission shaft 6 by standard rolling bearing mono-directional overrun clutch 10, this gear driven gear 8 meshes with a gear driving gear 4.Described controllable bidirectional power-transfer clutch 9 is made of cover body, cam, spring, roller and retainer etc., and position relationship and the annexation of each member are same as the prior art, do not do at this and give unnecessary details.Being installed with two gear driven gears, 11, two gear driven gears 11 and two at the cover body of controllable bidirectional power-transfer clutch 9 keeps off driving gears 5 and is meshed.
As shown in Figure 1, begin that along axial line blind hole is arranged towards an end of right shell body 2 at transmission shaft 6, spring 15 is housed in this blind hole, and in this blind hole, wears control stalk 14.Described control stalk 14 is two sectional type step column structure, and the axial line of this control stalk 14 overlaps with the axial line of transmission shaft 6.The enlarged diameter section of control stalk 14 and transmission shaft 6 free-running fits, an end butt of control stalk 14 and spring 15 connects at the bottom of the other end of spring 15 and the hole of blind hole.Stretch out outside the right shell body 2 end of the reduced diameter section of described control stalk 14, is embedded with wear-resistant sleeve 17 in the hole of passing for control stalk 14 on the right shell body 2.The end outer mask that stretches out right shell body 2 at described control stalk 14 is provided with cover of dust 18, and this cover of dust 18 fixes with right shell body 2, and cover of dust 18 plays protection, prevents that silt from entering in the gearbox body.Radially be equipped with lateral pin 16 on described control stalk 14, this lateral pin 16 is perpendicular fixing with control stalk 14, and oppositely stretch out outside the transmission shaft 6 at two of lateral pin 16.End at the corresponding lateral pin 16 of the retainer of described controllable bidirectional power-transfer clutch 9 is formed with annular boss, has two symmetrically arranged positioning grooves on this annular boss.Positioning groove is preferably half moon, and two positioning grooves are corresponding one by one with the two ends of lateral pin 16, and the termination of lateral pin 16 can embed in the corresponding positioning groove.
As shown in Figure 1, also be provided with output gear 12 on transmission shaft 6, this output gear 12 is between a gear driven gear 8 and controllable bidirectional power-transfer clutch 9.On the next door of described transmission shaft 6 output shaft 7 is set, this output shaft 7 parallels with transmission shaft 6 and motor shaft 3a.Output shaft 7 supports mutually by bearing and left shell 1 and right shell body 2, and a wherein end of output shaft 7 stretches out outside the right shell body 2.Admittedly overlap reducing gear 13 on the axle body of described output shaft 7, this reducing gear 13 is meshed with output gear 12.
The utility model is what to realize like this control of controllable bidirectional power-transfer clutch:
When exerting pressure to control stalk 14, push lever 14 is to the direction motion of spring 15, overcome simultaneously the elastic force of spring 15, lateral pin 16 is mobile with control stalk 14, until lateral pin 16 snaps in the positioning groove of controllable bidirectional power-transfer clutch 9 retainer ends, retainer and the transmission shaft 6 of controllable bidirectional power-transfer clutch 9 are locked at this moment, the controllable bidirectional power-transfer clutch is in released state, the route of transmission of power is: a motor shaft 3a → gear driving gear 4 → one gear driven gears 8 → transmission shaft 6 → output gear 12 → reducing gear 13 → output shaft 7, two gear driven gears 11 idle running; When the control effort on acting on control stalk 14 disappears, under the effect of spring 15 elastic force, control stalk 14 moves to the direction away from spring 15 together with lateral pin 16, and lateral pin 16 separates with the positioning groove of controllable bidirectional power-transfer clutch 9 retainer ends, make controllable bidirectional power-transfer clutch 9 be in bonding state, the route of transmission of power is: motor shaft 3a → two gear driving gears, 5 → two gear driven gears, 11 → controllable bidirectional power-transfer clutch, 9 → transmission shaft, 6 → output gear, 12 → reducing gear, 13 → output shaft 7, standard rolling bearing mono-directional overrun clutch 10 is in and surmounts state at this moment, a gear driven gear 8 idle running.The principle of work of controllable bidirectional power-transfer clutch 9 and standard rolling bearing mono-directional overrun clutch 10 is prior art, does not do at this and gives unnecessary details.
Claims (6)
1. power system of electric automobile, left shell (1) and right shell body (2) connect fixing, form gearbox body, motor (3) is installed on the gearbox body, it is characterized in that: the order that is input to output according to power is arranged in order three axles that are parallel to each other, be respectively: motor shaft (3a), transmission shaft (6) and output shaft (7), the motor shaft (3a) of described motor (3) stretches in the gearbox body, and support mutually by bearing and gearbox body, on motor shaft (3a), be provided with vertically a gear driving gear (4) and two and keep off driving gears (5); Be supported with transmission shaft (6) by bearing in the described gearbox body, at transmission shaft (6) gear driven gear (8) and a controllable bidirectional power-transfer clutch (9) is installed, a described gear driven gear (8) is set on the transmission shaft (6) by standard rolling bearing mono-directional overrun clutch (10), this gear driven gear (8) and gear driving gear (a 4) engagement, the combination of described controllable bidirectional power-transfer clutch (9) is controlled with separating by control mechanism, be installed with two gear driven gears (11) on the cover body of this controllable bidirectional power-transfer clutch (9), two gear driven gears (11) are meshed with two gear driving gears (5); On the next door of described transmission shaft (6) output shaft (7) is set, output shaft (7) supports mutually by bearing and gearbox body, and an end of output shaft (7) stretches out outside the gearbox body, also be provided with output gear (12) on described transmission shaft (6), this output gear (12) is meshed with reducing gear (13) on the output shaft (7).
2. power system of electric automobile according to claim 1, it is characterized in that: described control mechanism comprises control stalk (14), spring (15) and lateral pin (16), in described transmission shaft (6), be equipped with control stalk (14), spring (15) in one end of this control stalk (14) and the transmission shaft (6) connects, the other end of control stalk (14) stretches out outside the right shell body (2), on described control stalk (14), radially be equipped with lateral pin (16), oppositely stretch out outside the transmission shaft (6) at two of this lateral pin (16), and be provided with the positioning groove that matches with lateral pin (16) in the end of the retainer of controllable bidirectional power-transfer clutch (9).
3. power system of electric automobile according to claim 2 is characterized in that: be embedded with wear-resistant sleeve (17) in the hole that described right shell body (2) upward supplies control stalk (14) to pass.
4. according to claim 2 or 3 described power system of electric automobile, it is characterized in that: the end outer mask that stretches out right shell body (2) at described control stalk (14) is provided with cover of dust (18).
5. power system of electric automobile according to claim 4, it is characterized in that: described motor (3) is by motor shaft (3a), motor housing (3b), motor stator group (3c), rotor group (3d) and electric motor end cap (3e) consist of, the open at both ends of motor housing (3b), this motor housing (3b) end is fixed on the left shell (1), the other end is sealed by electric motor end cap (3e), fixed electrical machinery stator pack (3c) on the inwall of motor housing (3b), this motor stator group (3c) is looped around the outside of rotor group (3d), and rotor group (3d) is placed on the motor shaft (3a) admittedly.
6. according to claim 1 and 2 or 3 or 5 described power system of electric automobile, it is characterized in that: described output gear (12) is structure as a whole with transmission shaft (6), and is positioned between a gear driven gear (8) and the controllable bidirectional power-transfer clutch (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220463519XU CN202782677U (en) | 2012-09-12 | 2012-09-12 | Power system of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220463519XU CN202782677U (en) | 2012-09-12 | 2012-09-12 | Power system of electric vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN202782677U true CN202782677U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220463519XU Expired - Fee Related CN202782677U (en) | 2012-09-12 | 2012-09-12 | Power system of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202782677U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486226A (en) * | 2013-09-27 | 2014-01-01 | 重庆青山工业有限责任公司 | Hybrid electric vehicle transmission |
| CN103607070A (en) * | 2013-11-29 | 2014-02-26 | 四川阿克拉斯电动车有限公司 | Three-level deceleration brushless motor |
| CN104930133A (en) * | 2015-06-04 | 2015-09-23 | 江苏南车电机有限公司 | Automatic shift decelerator for electrocar |
| CN104930131A (en) * | 2015-06-04 | 2015-09-23 | 江苏南车电机有限公司 | Intermediate shaft system of automatic gear shifting speed reducer for electric vehicle |
| CN107294277A (en) * | 2017-07-21 | 2017-10-24 | 杭州星冠机械科技有限公司 | A kind of wire drawing machine main drive gear |
| CN107651097A (en) * | 2017-09-25 | 2018-02-02 | 浙江雅迪机车有限公司 | A kind of pendant motor of electric car |
| CN108944429A (en) * | 2017-05-19 | 2018-12-07 | 财团法人工业技术研究院 | Transmission mechanism and one-way assembly applied by same |
| CN109831929A (en) * | 2016-07-06 | 2019-05-31 | 麦格纳Pt有限两合公司 | Electronic device and method for installing electronic device |
| CN110529562A (en) * | 2018-05-25 | 2019-12-03 | 宝沃汽车（中国）有限公司 | Transmission device |
| US10886818B2 (en) | 2016-09-09 | 2021-01-05 | Jing-Jin Electric Technologies Co., Ltd. | Input shaft structure having connected motor and speed reducer |
-
2012
- 2012-09-12 CN CN201220463519XU patent/CN202782677U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486226A (en) * | 2013-09-27 | 2014-01-01 | 重庆青山工业有限责任公司 | Hybrid electric vehicle transmission |
| CN103607070A (en) * | 2013-11-29 | 2014-02-26 | 四川阿克拉斯电动车有限公司 | Three-level deceleration brushless motor |
| CN104930133A (en) * | 2015-06-04 | 2015-09-23 | 江苏南车电机有限公司 | Automatic shift decelerator for electrocar |
| CN104930131A (en) * | 2015-06-04 | 2015-09-23 | 江苏南车电机有限公司 | Intermediate shaft system of automatic gear shifting speed reducer for electric vehicle |
| CN109831929A (en) * | 2016-07-06 | 2019-05-31 | 麦格纳Pt有限两合公司 | Electronic device and method for installing electronic device |
| CN109831929B (en) * | 2016-07-06 | 2021-06-11 | 麦格纳Pt有限两合公司 | Motor arrangement and method for mounting a motor arrangement |
| US10886818B2 (en) | 2016-09-09 | 2021-01-05 | Jing-Jin Electric Technologies Co., Ltd. | Input shaft structure having connected motor and speed reducer |
| CN108944429A (en) * | 2017-05-19 | 2018-12-07 | 财团法人工业技术研究院 | Transmission mechanism and one-way assembly applied by same |
| US10948049B2 (en) | 2017-05-19 | 2021-03-16 | Industrial Technology Research Institute | Transmission mechanism and one-way component thereof |
| US11536349B2 (en) | 2017-05-19 | 2022-12-27 | Industrial Technology Research Institute | One-way component of transmission mechanism |
| CN107294277A (en) * | 2017-07-21 | 2017-10-24 | 杭州星冠机械科技有限公司 | A kind of wire drawing machine main drive gear |
| CN107294277B (en) * | 2017-07-21 | 2024-03-26 | 杭州星冠机械科技有限公司 | Main transmission mechanism of wire drawing machine |
| CN107651097A (en) * | 2017-09-25 | 2018-02-02 | 浙江雅迪机车有限公司 | A kind of pendant motor of electric car |
| CN110529562A (en) * | 2018-05-25 | 2019-12-03 | 宝沃汽车（中国）有限公司 | Transmission device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20150912 |
|
| EXPY | Termination of patent right or utility model |