CN214946249U - Driving assembly connecting structure - Google Patents
Driving assembly connecting structure Download PDFInfo
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- CN214946249U CN214946249U CN202121137079.4U CN202121137079U CN214946249U CN 214946249 U CN214946249 U CN 214946249U CN 202121137079 U CN202121137079 U CN 202121137079U CN 214946249 U CN214946249 U CN 214946249U
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- transmission shaft
- speed reducer
- output gear
- drive assembly
- shaft
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Abstract
The utility model discloses a drive assembly connection structure, include: the device comprises a motor, a mounting block, a speed reducer and a tire; the motor and the speed reducer are fixed to the mounting block; the tire is rotatably connected to the mounting block through a transmission shaft; a motor shaft of the motor is connected to an input shaft of the speed reducer; one end of the transmission shaft is rotatably supported on the mounting block through the mounting seat, and the other end of the transmission shaft extends into the shell of the speed reducer; the periphery of the part of the transmission shaft extending into the shell of the speed reducer is sleeved with an output gear used for transmitting the torque of the speed reducer to the transmission shaft; one end of the output gear is rotatably supported in the shell of the speed reducer; the mounting seat, the transmission shaft and the output gear are connected into a whole through a connecting screw. The driving assembly connecting structure fastens the mounting seat, the transmission shaft and the output gear of the speed reducer through the connecting screw, so that the plurality of parts form a whole body and are fixed on the mounting block, the bearing of the mounting block is of an integral frame structure, and the bearing capacity of the mounting block is improved.
Description
Technical Field
The utility model relates to a drive assembly connection structure.
Background
The original drive assembly, the motor base and the motor front end cover are bearing parts, and the wall thickness of a shell is thick. The original drive assembly mounting block and the reduction box body of the reducer assembly are designed into a whole, and the reduction box body is a steel casting, so that the cost is high, and the processing difficulty is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a drive assembly connection structure adopts following technical scheme:
a drive assembly connecting structure comprising: the device comprises a motor, a mounting block, a speed reducer and a tire; the motor and the speed reducer are fixed to the mounting block; the tire is rotatably connected to the mounting block through a transmission shaft; a motor shaft of the motor is connected to an input shaft of the speed reducer; one end of the transmission shaft is rotatably supported on the mounting block through the mounting seat, and the other end of the transmission shaft extends into the shell of the speed reducer; the periphery of the part of the transmission shaft extending into the shell of the speed reducer is sleeved with an output gear used for transmitting the torque of the speed reducer to the transmission shaft; one end of the output gear is rotatably supported in the shell of the speed reducer; the mounting seat, the transmission shaft and the output gear are connected into a whole through a connecting screw.
Further, the transmission shaft is formed with a rotation hole; the transmission shaft is rotatably sleeved on the periphery of the connecting screw through the rotating hole.
Further, the connecting screw passes through the mounting seat and the rotating hole in sequence and is finally screwed into a connecting nut fixed in the shell of the output gear.
Furthermore, a supporting bearing used for rotatably supporting the output gear and limiting the output gear is arranged in the shell of the speed reducer.
Further, a first gasket for avoiding friction between the output gear and the tire is arranged between the output gear and the tire.
Further, one end of the transmission shaft is provided with a limiting snap ring used for limiting the axial position of the tire relative to the transmission shaft.
Further, a second gasket for defining a mounting position of the transmission shaft is provided between one end of the transmission shaft and the mounting seat.
Further, the tire is connected with the transmission shaft through a key; the output gear is connected with the transmission shaft through a key.
Further, be equipped with in the speed reducer: a primary sun wheel, a secondary rotating shaft and a secondary planet wheel; the primary sun gear is fixed to the input shaft; the secondary rotating shaft is rotatably connected into the shell of the speed reducer; the fixed cover of secondary planet wheel is located the periphery of secondary axis of rotation and meshes with one-level sun gear and output gear respectively.
Furthermore, a secondary sun gear is fixedly sleeved on the secondary rotating shaft; the secondary sun gear is meshed with the output gear.
The utility model discloses an useful part lies in that the drive assembly connection structure who provides fastens the output gear of mount pad, transmission shaft and speed reducer through connecting screw, makes above-mentioned a plurality of parts form a monolithic stationary on the installation piece, makes the bearing of installation piece be overall frame structure, improves the bearing capacity of installation piece. The tire is assembled on the mounting block through the transmission shaft, the mounting seat, the rotating bearing, the nonstandard washer and the screw, and the whole structure is stable. One side of the mounting block is matched with a mounting spigot of the speed reducer and fixed together through a screw. Therefore, the motor and the speed reducer are non-bearing parts, only torque is transmitted, and the structure is more reliable.
Drawings
Fig. 1 is a schematic view of a drive assembly connection structure of the present invention;
the driving assembly connecting structure 10, the motor 11, the mounting block 12, the speed reducer 13, the primary sun gear 131, the secondary rotating shaft 132, the secondary planet gear 133, the secondary sun gear 134, the tire 14, the transmission shaft 15, the rotating hole 151, the mounting seat 16, the output gear 17, the connecting screw 18, the connecting nut 19, the support bearing 20, the first gasket 21, the limiting snap ring 22, the second gasket 23 and the key 24.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, for the present invention, a driving assembly connecting structure 10 includes: motor 11, installation piece 12, speed reducer 13 and tire 14. The motor 11 and the reducer 13 are fixed to the mounting block 12. The tire 14 is rotatably connected to the mounting block 12 by a drive shaft 15. The motor 11 shaft of the motor 11 is connected to an input shaft of the speed reducer 13 to transmit the input torque of the motor 11 to the speed reducer 13. One end of the transmission shaft 15 is rotatably supported on the mounting block 12 through the mounting base 16, and the other end thereof extends into the housing of the speed reducer 13. An output gear 17 is sleeved on the periphery of the part of the transmission shaft 15 extending into the shell of the speed reducer 13, and one end of the output gear 17 is rotatably supported in the shell of the speed reducer 13. The output gear 17 is used to transmit the torque of the speed reducer 13 to the transmission shaft 15. The torque of the speed reducer 13 can be transmitted to the drive shaft 15 through the output gear 17, and the tire 14 is driven to rotate.
Further, the mounting base 16, the transmission shaft 15 and the output gear 17 are integrally connected by a connection screw 18. The mounting seat 16 is mounted on the mounting block 12 through a spigot and fixed by screws. And then the mounting base 16, the transmission shaft 15 and the output gear 17 of the speed reducer 13 are fastened through the connecting screw 18, so that the plurality of parts are integrally fixed on the mounting block 12, the load of the mounting block 12 is an integral frame structure, and the load-bearing capacity of the mounting block 12 is improved. The tyre 14 is assembled on the mounting block 12 through a transmission shaft 15, a mounting seat 16, a rotating bearing, a non-standard washer and a screw, and the whole structure is stable. One surface of the mounting block 12 is matched with a mounting spigot of the speed reducer 13 and fixed together through screws. Therefore, the motor 11 and the speed reducer 13 are non-bearing parts, only torque is transmitted, and the structure is more reliable.
As a specific embodiment, the transmission shaft 15 is formed with a rotation hole 151. The transmission shaft 15 is rotatably sleeved on the outer circumference of the connection screw 18 through the rotation hole 151. So that the drive shaft 15 can rotate relative to the mounting block 12. The axes of the connecting screw 18 and the drive shaft 15 coincide.
Further, the connection screw 18 is finally screwed into the connection nut 19 fixed to the housing of the speed reducer 13 through the mount 16 and the rotation hole 151 in order. Through the mode, the mounting seat 16, the transmission shaft 15 and the output gear 17 can be quickly fixed into a whole structure, the structure is simple, the mounting precision of the structure is high, and the noise is low.
In a specific embodiment, a support bearing 20 is provided in the housing of the reduction gear 13. The support bearing 20 is used for rotatably supporting the output gear 17 and limiting the output gear 17, thereby ensuring the installation accuracy of the installation seat 16, the transmission shaft 15 and the output gear 17 as a whole structure.
As a specific embodiment, a first washer 21 is provided between the output gear 17 and the tire 14. The first washer 21 serves to prevent friction therebetween.
Further, one end of the transmission shaft 15 is provided with a limit snap ring 22. The retaining snap ring 22 serves to define the axial position of the tyre 14 relative to the drive shaft 15, thereby pressing one side of the tyre 14 against the first washer 21. This ensures the stability of the rotation of the tire 14, further improves the coaxiality among the tire 14, the propeller shaft 15, and the output gear 17, and reduces the noise generated by the mechanical operation.
Further, a second washer 23 is provided between one end of the drive shaft 15 and the mount 16. The second washer 23 serves to define the installation position of the transmission shaft 15, thereby further improving the structural stability of the transmission shaft 15 and ensuring the installation accuracy of the structure.
In one embodiment, the tire 14 is connected to the drive shaft 15 by a key 24. The output gear 17 is connected with the transmission shaft 15 through a key 24.
As a specific embodiment, the reduction gear 13 is provided with: primary sun gear 131, secondary rotational shaft 132, and secondary planet gears 133. The primary sun gear 131 is fixed to the input shaft. The secondary rotary shaft 15 is rotatably connected to the inside of the housing of the reduction gear 13. The secondary planet gear 133 is fixedly sleeved on the periphery of the secondary rotating shaft 15 and is respectively meshed with the primary sun gear 131 and the output gear 17. The second-stage rotating shaft 132 is also fixedly sleeved with a second-stage sun gear 134. The secondary sun gear 134 meshes with the output gear 17. With this arrangement, the secondary planetary gear 133 and the secondary sun gear 134 can drive the output gear 17 at the same time, thereby improving the torque transmission performance and ensuring the driving force for driving the tire 14.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (10)
1. A drive assembly connecting structure comprising: the device comprises a motor, a mounting block, a speed reducer and a tire; the motor and the reducer are fixed to the mounting block; the tire is rotatably connected to the mounting block through a transmission shaft; a motor shaft of the motor is connected to an input shaft of the speed reducer; the speed reducer is characterized in that one end of the transmission shaft is rotatably supported on the mounting block through a mounting seat, and the other end of the transmission shaft extends into the shell of the speed reducer; the periphery of the part of the transmission shaft extending into the shell of the speed reducer is sleeved with an output gear used for transmitting the torque of the speed reducer to the transmission shaft; one end of the output gear is rotatably supported in the shell of the speed reducer; the mounting seat, the transmission shaft and the output gear are connected into a whole through a connecting screw in a penetrating manner.
2. The drive assembly connecting structure according to claim 1,
the transmission shaft is provided with a rotating hole; the transmission shaft is rotatably sleeved on the periphery of the connecting screw through the rotating hole.
3. The drive assembly connecting structure according to claim 2,
and the connecting screw penetrates through the mounting seat and the rotating hole in sequence and is finally screwed into a connecting nut fixed in the shell of the output gear.
4. The drive assembly connection structure according to claim 3,
and a support bearing used for rotatably supporting the output gear and limiting the output gear is arranged in the shell of the speed reducer.
5. The drive assembly connecting structure according to claim 4,
and a first gasket for avoiding friction between the output gear and the tire is arranged between the output gear and the tire.
6. The drive assembly connecting structure according to claim 1,
and one end of the transmission shaft is provided with a limiting snap ring used for limiting the axial position of the tire relative to the transmission shaft.
7. The drive assembly connecting structure according to claim 1,
and a second gasket for limiting the mounting position of the transmission shaft is arranged between one end of the transmission shaft and the mounting seat.
8. The drive assembly connecting structure according to claim 1,
the tire is connected with the transmission shaft through a key; the output gear is connected with the transmission shaft through a key.
9. The drive assembly connecting structure according to claim 1,
the speed reducer is internally provided with: a primary sun wheel, a secondary rotating shaft and a secondary planet wheel; the primary sun gear is fixed to the input shaft; the secondary rotating shaft is rotatably connected into the shell of the speed reducer; the secondary planet wheel is fixedly sleeved on the periphery of the secondary rotating shaft and is respectively meshed with the primary sun wheel and the output gear.
10. The drive assembly connection structure according to claim 9,
the secondary rotating shaft is also fixedly sleeved with a secondary sun gear; the secondary sun gear is meshed with the output gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121137079.4U CN214946249U (en) | 2021-05-25 | 2021-05-25 | Driving assembly connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121137079.4U CN214946249U (en) | 2021-05-25 | 2021-05-25 | Driving assembly connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214946249U true CN214946249U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121137079.4U Active CN214946249U (en) | 2021-05-25 | 2021-05-25 | Driving assembly connecting structure |
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| Country | Link |
|---|---|
| CN (1) | CN214946249U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217608A (en) * | 2021-05-25 | 2021-08-06 | 浙江尤奈特电机有限公司 | Driving assembly connecting structure |
-
2021
- 2021-05-25 CN CN202121137079.4U patent/CN214946249U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217608A (en) * | 2021-05-25 | 2021-08-06 | 浙江尤奈特电机有限公司 | Driving assembly connecting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 321300 no.287, Lingshi Road, Chengxi New District, Yongkang City, Jinhua City, Zhejiang Province Patentee after: Zhejiang Unitech Electric Co.,Ltd. Address before: 321300 no.287, Lingshi Road, Chengxi New District, Yongkang City, Jinhua City, Zhejiang Province Patentee before: ZHEJIANG UNITE MOTOR Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |