CN204030843U - A kind of automatic gear-shifting differential speed motor - Google Patents
A kind of automatic gear-shifting differential speed motor Download PDFInfo
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- CN204030843U CN204030843U CN201420492227.8U CN201420492227U CN204030843U CN 204030843 U CN204030843 U CN 204030843U CN 201420492227 U CN201420492227 U CN 201420492227U CN 204030843 U CN204030843 U CN 204030843U
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Abstract
The utility model belongs to technical field of motors, refer in particular to a kind of automatic gear-shifting differential speed motor, include drive motors, speed changer, speed changer includes casing, main shaft, driven shaft, two ends at main shaft connect respectively drive motors and clutch, on main shaft, be provided with one grade of driving gear, and be set with second gear driving gear, on driven shaft, be respectively arranged with first speed driven gear and the second gear driven gear of two driving gear engagements, and be provided with output gear, differential gear engagement on output gear and differential mechanism, first speed driven gear is arranged on driven shaft by unilateral bearing, the utility model is realized the function of automatic gear-shifting by the variation of motor speed, simple to operation, the helical casing arranging, the first astern wheel, the second astern wheel coordinate the action that realizes reversing, and novel structure, compact conformation, be applicable to the electric motor cars such as three-wheel or four-wheel.
Description
Technical field:
The utility model belongs to technical field of motors, refers in particular to a kind of automatic gear-shifting differential speed motor.
Background technology:
Existing electric motor car is mainly used permanent magnetic brushless as drive motors.This motor is because excitation is non-adjustable, and constant power adjustable speed ratio is low, for actual applying working condition excursion, needs the more margin of power.
In order to solve above-mentioned phenomenon, people expand the power performance of electric vehicle motor by increasing gear.But the electric vehicle motor that increases gear exists following defect: the one, and, motor is by hand shift, easily disperses driver's attentiveness to be unfavorable for safety traffic, to having relatively high expectations of driver; The 2nd,, what gear generally adopted is clutch, clutch is rigidity, during clutch, without buffering, drives perceptual difference, and clutch is short useful life.
Summary of the invention:
The purpose of this utility model is to provide a kind of simple in structure, dependable performance, can realizes the automatic gear-shifting differential speed motor of automatic gear-shifting.
The utility model is achieved in that
A kind of automatic gear-shifting differential speed motor, include drive motors, speed changer, speed changer includes casing, main shaft, driven shaft, two ends at main shaft connect respectively drive motors and clutch, on main shaft, be provided with one grade of driving gear, and be set with second gear driving gear, on driven shaft, be respectively arranged with first speed driven gear and the second gear driven gear of two driving gear engagements, and be provided with output gear, differential gear engagement on output gear and differential mechanism, first speed driven gear is arranged on driven shaft by unilateral bearing; Clutch is just realized the switching of gear according to the rotating speed of main shaft: during the main shaft slow-speed of revolution, the centrifugal film of clutch is separated with second gear driving gear, drive motors drives one grade of driving gear on main shaft and main shaft to rotate, one grade of driving gear and first speed driven gear engaged transmission, drive output gear and the outside outputting power of differential gear engaged transmission driving differential mechanism on driven shaft; During the high rotating speed of main shaft, the centrifugal film of clutch is combined with second gear driving gear, and second gear driving gear and second gear driven gear engaged transmission drive driven shaft to rotate, and the output gear on driven shaft and differential gear engaged transmission drive the outside outputting power of differential mechanism.
On above-mentioned driven shaft, a side of first speed driven gear is provided with helical casing, on helical casing, be provided with helical tooth, helical casing is set with the first astern wheel outward, internal tooth and the helical tooth of the first astern wheel are meshing, on one side of the first astern wheel, be provided with the first reversing tooth, in output gear one side, be provided with the second astern wheel, on the second astern wheel, on the side relative with first on the first astern wheel reversing tooth, be provided with the second reversing tooth with the first reversing tooth make-up, at the first astern wheel, be set with driver card spring outward, drive the other end and the cabinet wall of jump ring to be slidably connected.
Above-mentioned main shaft, driven shaft, differential mechanism are connected with casing by bearing.
The utility model compared to existing technology outstanding advantage is:
1, the utility model is realized the function of automatic gear-shifting by the variation of motor speed, simple to operation;
2, the helical casing that the utility model arranges, the first astern wheel, the second astern wheel coordinate the action that realizes reversing, novel structure, compact conformation;
3, the unilateral bearing that the utility model arranges, when having impulsive torque, can skid naturally, produces buffering, reduces operation, is convenient to drive dependable performance.
Accompanying drawing explanation:
Fig. 1 is cutaway view of the present utility model;
Fig. 2 is schematic perspective view of the present utility model.
Embodiment:
With specific embodiment, the utility model is further described below, referring to Fig. 1-2:
A kind of automatic gear-shifting differential speed motor, include drive motors, speed changer, speed changer includes casing, main shaft 1, driven shaft 2, at the two ends of main shaft 1, connect respectively drive motors and clutch 3, on main shaft 1, be provided with one grade of driving gear 4, and be set with second gear driving gear 5, on driven shaft 2, be respectively arranged with first speed driven gear 6 and the second gear driven gear 7 of 4,5 engagements of two driving gears, and be provided with output gear 8, output gear 8 meshes with the differential gear 9 on differential mechanism, and first speed driven gear 6 is arranged on driven shaft 2 by unilateral bearing 10; Clutch 3 is just realized the switching of gear according to the rotating speed of main shaft 1: during main shaft 1 slow-speed of revolution, the centrifugal film 11 of clutch 3 is separated with second gear driving gear 5, drive motors drives the one grade of driving gear 4 on main shaft 1 and main shaft 1 to rotate, one grade of driving gear 4 and first speed driven gear 6 engaged transmission, drive the output gear 8 on driven shaft 2 to drive the outside outputting power of differential mechanism 19 with differential gear 9 engaged transmission; During main shaft 1 high rotating speed, centrifugal film 11 and 5 combinations of second gear driving gear of clutch 3, second gear driving gear 5 drives driven shaft 2 to rotate with second gear driven gear 7 engaged transmission, and the output gear 8 on driven shaft 2 drives the outside outputting power of differential mechanism 19 with differential gear 9 engaged transmission.
On above-mentioned driven shaft 2, a side of first speed driven gear 6 is provided with helical casing 12, helical casing 12 can be installed on driven shaft 2 by spline, on helical casing 12, be provided with helical tooth, outer first astern wheel 13 that is set with of helical casing 12, internal tooth and the helical tooth of the first astern wheel 13 are meshing, on one side of the first astern wheel 13, be provided with the first reversing tooth 14, in output gear 8 one sides, be provided with the second astern wheel 15, on the second astern wheel 15, on the side relative with first on the first astern wheel 13 reversing tooth 14, be provided with the second reversing tooth 16 with the first reversing tooth 14 make-ups, outside the first astern wheel 13, be set with driver card spring 17, drive the other end and the cabinet wall of jump ring 17 to be slidably connected.The second astern wheel 15 is connected with driven shaft 2 by same spline with output gear 8.
Above-mentioned main shaft 1, driven shaft 2, differential mechanism 19 are connected with casing by bearing 18.
Operation principle of the present utility model:
While advancing, drive motors forward, when low-grade rotating speed≤1600rpm, drive main shaft 1 to slowly run, centrifugal film 11 is separated with second gear driving gear 5,5 idle running of second gear driving gear, one grade of first speed driven gear 6 engaged transmission that driving gear 4 drives on driven shaft 2, driven shaft 2 rotates, and the output gear 8 on driven shaft 2 meshes with the differential gear 9 outside differential mechanism 19, drives the outside outputting power of differential mechanism 19;
Motor speed is increased to 1600rpm when above, the centrifugal film 11 that is arranged on main shaft 1 one end starts and 5 combinations of second gear driving gear, when rotating speed is increased to 2000rpm, centrifugal film 11 and the complete combination of second gear driving gear 5, when high speed 3000rpm, centrifugal film 11 is also complete bonding state with second gear driving gear 5, at centrifugal film 11 and second gear driving gear 5, in conjunction with rear second gear driving gear 5 beginnings and the second gear driven gear 7 on driven shaft 2, mesh completely, drive driven shaft 2 to rotate, now one grade of driving gear 4 is followed away with first speed driven gear 6, output gear 8 drives the outside outputting power of differential mechanism 19 with differential gear 9 engagements of differential mechanism 19,
During reverse gear, drive motors rotates backward, drive main shaft 1 to rotate backward, between one grade of driving gear 4 and main shaft 1, be fixedly connected with, one grade of driving gear 4 meshes with first speed driven gear 6, between first speed driven gear 6 and driven shaft 2, be provided with ratchet 10, because appearring in first speed driven gear 6, mono-directional overrun skids, driven shaft 2 forwards drive and drive one end of jump ring 17 along the chute slip of casing, drive the first astern wheel 13 along with the helical tooth on helical casing 12 moves axially and the second astern wheel 15 make-ups along driven shaft 2, because the second astern wheel 15 is connected by same spline and driven shaft 2 with output gear 8, realize output gear 8 and outwards export the power of reversing with differential gear 9 engagements of differential mechanism 19,
When returning to while advancing, drive motors forward, drive main shaft 1 forward, one grade of driving gear 4 meshes with first speed driven gear 6, drive driven shaft 2 reversions, the first astern wheel 13 on driven shaft 2 is along with the helical gear shaft on helical casing 12 is to a side that moves to first speed driven gear 6, realizes the separated of the first astern wheel 13 and the second astern wheel 15.
Above-described embodiment is only one of preferred embodiment of the present utility model; not with this, limit practical range of the present utility model; therefore: all equivalences of doing according to shape of the present utility model, structure, principle change, within all should being covered by protection range of the present utility model.
Claims (3)
1. an automatic gear-shifting differential speed motor, it is characterized in that: include drive motors, speed changer, speed changer includes casing, main shaft, driven shaft, two ends at main shaft connect respectively drive motors and clutch, on main shaft, be provided with one grade of driving gear, and be set with second gear driving gear, on driven shaft, be respectively arranged with first speed driven gear and the second gear driven gear of two driving gear engagements, and be provided with output gear, differential gear engagement on output gear and differential mechanism, first speed driven gear is arranged on driven shaft by unilateral bearing; Clutch is just realized the switching of gear according to the rotating speed of main shaft: during the main shaft slow-speed of revolution, the centrifugal film of clutch is separated with second gear driving gear, drive motors drives one grade of driving gear on main shaft and main shaft to rotate, one grade of driving gear and first speed driven gear engaged transmission, drive output gear and the outside outputting power of differential gear engaged transmission driving differential mechanism on driven shaft; During the high rotating speed of main shaft, the centrifugal film of clutch is combined with second gear driving gear, and second gear driving gear and second gear driven gear engaged transmission drive driven shaft to rotate, and the output gear on driven shaft and differential gear engaged transmission drive the outside outputting power of differential mechanism.
2. a kind of automatic gear-shifting differential speed motor according to claim 1, it is characterized in that: on described driven shaft, a side of first speed driven gear is provided with helical casing, on helical casing, be provided with helical tooth, helical casing is set with the first astern wheel outward, internal tooth and the helical tooth of the first astern wheel are meshing, on one side of the first astern wheel, be provided with the first reversing tooth, in output gear one side, be provided with the second astern wheel, on the second astern wheel, on the side relative with first on the first astern wheel reversing tooth, be provided with the second reversing tooth with the first reversing tooth make-up, at the first astern wheel, be set with driver card spring outward, drive the other end and the cabinet wall of jump ring to be slidably connected.
3. a kind of automatic gear-shifting differential speed motor according to claim 1, is characterized in that: described main shaft, driven shaft, differential mechanism are connected with casing by bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420492227.8U CN204030843U (en) | 2014-08-28 | 2014-08-28 | A kind of automatic gear-shifting differential speed motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420492227.8U CN204030843U (en) | 2014-08-28 | 2014-08-28 | A kind of automatic gear-shifting differential speed motor |
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| Publication Number | Publication Date |
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| CN204030843U true CN204030843U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420492227.8U Active CN204030843U (en) | 2014-08-28 | 2014-08-28 | A kind of automatic gear-shifting differential speed motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184255A (en) * | 2014-08-28 | 2014-12-03 | 浙江力宝高新建材股份有限公司 | Automatic gear shifting differential motor |
| CN106958627A (en) * | 2017-04-27 | 2017-07-18 | 红河红冠科技有限公司 | High-performance New energy electric multi-speed transmission |
-
2014
- 2014-08-28 CN CN201420492227.8U patent/CN204030843U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184255A (en) * | 2014-08-28 | 2014-12-03 | 浙江力宝高新建材股份有限公司 | Automatic gear shifting differential motor |
| CN104184255B (en) * | 2014-08-28 | 2017-02-15 | 浙江力宝高新建材股份有限公司 | Automatic gear shifting differential motor |
| CN106958627A (en) * | 2017-04-27 | 2017-07-18 | 红河红冠科技有限公司 | High-performance New energy electric multi-speed transmission |
| CN106958627B (en) * | 2017-04-27 | 2023-09-12 | 重庆康昌机械制造有限公司 | High-performance new energy electric multi-gear transmission |
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