CN203681269U - Differential output device - Google Patents
Differential output device Download PDFInfo
- Publication number
- CN203681269U CN203681269U CN201420086388.7U CN201420086388U CN203681269U CN 203681269 U CN203681269 U CN 203681269U CN 201420086388 U CN201420086388 U CN 201420086388U CN 203681269 U CN203681269 U CN 203681269U
- Authority
- CN
- China
- Prior art keywords
- transmission shaft
- main body
- retarder
- shaft main
- bevel gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a differential output device. The differential output device comprises a motor, a reducer and a differential mechanism, wherein the input end of the reducer is connected with the output end of the motor and the input end of the differential mechanism is connected with the output end of the reducer. The differential mechanism comprises a hollow transmission shaft body, a driving bevel gear is installed in the transmission shaft body in a rotating mode, and the axis of the driving bevel gear is perpendicular to the axis of the transmission shaft body. Rotating shafts coaxial with the transmission shaft body are arranged at the two ends of the transmission shaft body. Driven bevel gears meshed with the driving bevel gear are arranged at the end portions of the rotating shafts. The differential output device is compact in structure, small in size, low in cost, convenient to install and maintain, stable in differential transmission and large in output torque.
Description
Technical field
The utility model relates to a kind of driving device, particularly a kind of differential output unit.
Background technology
Miniature car, such as differential gear complex structure, volume on floor cleaning machine and golf court car are large, weight is large, and cost is high, and dismounting inconvenience, is unfavorable for daily maintenance.
Utility model content
(1) technical matters that will solve
The technical problems to be solved in the utility model is to provide a kind of simple in structure, light and handy, and cost is low, and differential output unit easy to maintenance.
(2) technical scheme
For solving the problems of the technologies described above, the utility model provides a kind of differential output unit, comprising:
Further, described retarder 2 is fixed on the shell end of described motor 1, and the output shaft of described motor 1 extends in described retarder 2 and is connected with the reducing gear in described retarder 2.
Further, described transmission shaft main body 31 is arranged on described retarder 2 rotationally by bearing, and the end of described transmission shaft main body 31 extends in described retarder 2, is also connected with described reducing gear by driven gear 35.
Further, the two ends of described transmission shaft main body 31 are separately installed with the first rotating shaft 331 and the second rotating shaft 332, the head of described the second rotating shaft 332 extends to outside described retarder 2 through after described retarder 2, and the afterbody of described the first rotating shaft 331 and the second rotating shaft 332 is equipped with the driven wheel of differential 34 engaging with described drive bevel gear 32.
Further, be positioned in the second rotating shaft 332 of described retarder 2 and be arranged with bearing locating bush 4, the end face of described bearing locating bush 4 is fitted on described driven gear 35.
Further, between described rotating shaft and described transmission shaft main body 31, between described transmission shaft main body 31 and described retarder 2, be equipped with sealing arrangement.
Further, described sealing arrangement is oil sealing.
Further, interior at least two drive bevel gear 32 that are circumferentially evenly equipped with of described transmission shaft main body 31, the axis of described each drive bevel gear 32 is all vertical and crossing with the axis of described transmission shaft 31.
Further, described drive bevel gear 32 and driven wheel of differential 34 are helical bevel gear.
Further, the sidewall of described transmission shaft main body 31 is penetrated with the through hole vertical and crossing with the axis of described transmission shaft main body, in described through hole, be arranged with gear fix shaft 5, described drive bevel gear 32 is arranged on described gear fix shaft 5 rotationally, described transmission shaft main body 31 is outer is arranged with the sealing locating bush 6 that can cover described through hole, and the tail end of described transmission shaft main body 31 is sheathed bearing and bearing cap shim 7 successively.
(3) beneficial effect
The utility model differential output unit, compact conformation, volume is little, cost is low, and installation and maintenance is convenient, and differentia transmission is stable, and output torque is large.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model differential output unit;
Fig. 2 is the cutaway view of the utility model differential output unit;
Fig. 3 is the structural representation of the diff of the utility model differential output unit.
The specific embodiment
Consult Fig. 1 to Fig. 3, the utility model provides a kind of differential output unit, comprises motor 1, retarder 2 and diff 3, and motor 1 is as power input part; The input end of retarder 2 is connected with the mouth of motor 1; Diff 3 is arranged on the mouth of retarder 2 rotationally, concrete, this diff 3 comprises the transmission shaft main body 31 of hollow, drive bevel gear 32 is installed rotationally in transmission shaft main body 31, and the axis of this drive bevel gear 32 is vertical and compared to the axis of transmission shaft main body 31, be equipped with the rotating shaft 33 coaxial with transmission shaft main body 31 at the two ends of transmission shaft main body 31, be provided with the driven wheel of differential 34 engaging with drive bevel gear 32 in the end of rotating shaft 33 simultaneously; In the present embodiment, retarder 2 is fixed on the shell end of motor 1, and the output shaft of motor 1 extends in retarder 2 and be connected with the reducing gear in retarder 2, preferably, motor output shaft end forms the oblique gear teeth, and motor is connected with the reducing gear in retarder 2 by these oblique gear teeth; Transmission shaft main body 31 is arranged on retarder 2 rotationally by bearing, and the end of transmission shaft main body 31 extends in retarder 2, is also connected with reducing gear by driven gear 35; In the present embodiment, the two ends of transmission shaft main body 31 are separately installed with the first rotating shaft 331 and the second rotating shaft 332, the head of the second rotating shaft 332 extends to outside retarder 2 through after retarder 2, and the afterbody of the first rotating shaft 331 and the second rotating shaft 332 is equipped with the driven wheel of differential 34 engaging with drive bevel gear 32; In order to improve transmission stability, in the second rotating shaft 332 that is positioned at retarder 2, be arranged with bearing locating bush 4, the end face of this bearing locating bush 4 is fitted on driven gear 35, and this bearing locating bush 4 plays the effect of axial location to driven gear 35; In order to prevent that the impurity such as dust or other liquid from entering, between rotating shaft and transmission shaft main body 31, be equipped with sealing arrangement between transmission shaft main body 31 and retarder 2, preferred, sealing device is oil sealing; In order to improve transmission stability, in interior at least two drive bevel gear 32 that are circumferentially evenly equipped with of transmission shaft main body 31, the axis of each drive bevel gear 32 is all vertical and crossing with the axis of transmission shaft 31; Further, drive bevel gear 32 and driven wheel of differential 34 are helical bevel gear.For conveniently assemble and disassemble, be beneficial to daily maintenance, in the present embodiment, be penetrated with the through hole vertical and crossing with the axis of transmission shaft main body at the sidewall of transmission shaft main body 31, in through hole, be arranged with gear fix shaft 5, drive bevel gear 32 is arranged on this gear fix shaft 5 rotationally, outside transmission shaft main body 31, be arranged with the sealing locating bush 6 that can cover this through hole, at tail end sheathed bearing and the bearing cap shim 7 successively of transmission shaft main body 31.
When work, motor 1 energising is rotated, drive the reducing gear in retarder 2, this reducing gear drives transmission shaft main body 31 to rotate by driven gear 35, the drive bevel gear 32 that is positioned at this transmission shaft main body 31 is circumferentially rotated around the axis of diff accordingly, and driving is positioned at the rotating shaft rotation of engaging with it drive bevel gear 32 both sides; In the time that the spindle speed of both sides is identical, the cireular frequency of the driven wheel of differential 34 at two ends is also identical; In the time that the speed of the rotating shaft of both sides is not identical, i.e. the cireular frequency difference of the driven gear 34 at two ends.
The utility model differential output unit, compact conformation, volume is little, cost is low, and installation and maintenance is convenient, and differentia transmission is stable, and output torque is large.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a differential output unit, is characterized in that, comprising:
Motor (1), described motor (1) is as power input part;
Retarder (2), the input end of described retarder (2) is connected with the mouth of described motor (1);
Diff (3), described diff (3) is arranged on the mouth of described retarder (2) rotationally, described diff (3) comprises the transmission shaft main body (31) of hollow, drive bevel gear (32) is installed in described transmission shaft main body (31) rotationally, the axis of described drive bevel gear (32) is vertical and compared to the axis of described transmission shaft main body (31), the two ends of described transmission shaft main body (31) are equipped with the rotating shaft (33) coaxial with described transmission shaft main body (31), the end of described rotating shaft (33) is provided with the driven wheel of differential (34) engaging with described drive bevel gear (32).
2. differential output unit as claimed in claim 1, it is characterized in that: described retarder (2) is fixed on the shell end of described motor (1) described motor 1) output shaft extend in described retarder (2) and with the reducing gear in described retarder (2) and be connected.
3. differential output unit as claimed in claim 2, it is characterized in that: it is upper that described transmission shaft main body (31) is arranged on described retarder (2) rotationally by bearing, and the end of described transmission shaft main body (31) extends in described retarder (2), is also connected with described reducing gear by driven gear (35).
4. differential output unit as claimed in claim 3, it is characterized in that: the two ends of described transmission shaft main body (31) are separately installed with the first rotating shaft (331) and the second rotating shaft (332), the head of described the second rotating shaft (332) extends to outside described retarder (2) through after described retarder (2), and the afterbody of described the first rotating shaft (331) and the second rotating shaft (332) is equipped with the driven wheel of differential (34) engaging with described drive bevel gear (32).
5. differential output unit as claimed in claim 4, is characterized in that: be positioned in second rotating shaft (332) of described retarder (2) and be arranged with bearing locating bush (4), the end face of described bearing locating bush (4) is fitted on described driven gear (35).
6. differential output unit as claimed in claim 1, is characterized in that: between described rotating shaft and described transmission shaft main body (31), be equipped with sealing arrangement between described transmission shaft main body (31) and described retarder (2).
7. differential output unit as claimed in claim 6, is characterized in that: described sealing arrangement is oil sealing.
8. the differential output unit as described in claim 1 to 7 any one, it is characterized in that: in described transmission shaft main body (31), be circumferentially evenly equipped with at least two drive bevel gear (32), the axis of described each drive bevel gear (32) is all vertical and crossing with the axis of described transmission shaft (31).
9. differential output unit as claimed in claim 8, is characterized in that: described drive bevel gear (32) and driven wheel of differential (34) are helical bevel gear.
10. differential output unit as claimed in claim 9, it is characterized in that: the sidewall of described transmission shaft main body (31) is penetrated with the through hole vertical and crossing with the axis of described transmission shaft main body, in described through hole, be arranged with gear fix shaft (5), described drive bevel gear (32) is arranged on described gear fix shaft (5) rotationally, described transmission shaft main body (31) is outer is arranged with the sealing locating bush (6) that can cover described through hole, and the tail end of described transmission shaft main body (31) is sheathed bearing and bearing cap shim (7) successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420086388.7U CN203681269U (en) | 2014-02-27 | 2014-02-27 | Differential output device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420086388.7U CN203681269U (en) | 2014-02-27 | 2014-02-27 | Differential output device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203681269U true CN203681269U (en) | 2014-07-02 |
Family
ID=51003212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420086388.7U Expired - Fee Related CN203681269U (en) | 2014-02-27 | 2014-02-27 | Differential output device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203681269U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107379966A (en) * | 2017-07-31 | 2017-11-24 | 浙江联宜电机有限公司 | Heavy-Duty Drive-Axle |
-
2014
- 2014-02-27 CN CN201420086388.7U patent/CN203681269U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107379966A (en) * | 2017-07-31 | 2017-11-24 | 浙江联宜电机有限公司 | Heavy-Duty Drive-Axle |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20180227 |