CN211778884U - Coaxial structure of reduction gearbox - Google Patents
Coaxial structure of reduction gearbox Download PDFInfo
- Publication number
- CN211778884U CN211778884U CN202020233432.8U CN202020233432U CN211778884U CN 211778884 U CN211778884 U CN 211778884U CN 202020233432 U CN202020233432 U CN 202020233432U CN 211778884 U CN211778884 U CN 211778884U
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- bearing
- shaft
- bearing chamber
- chamber
- reduction box
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Abstract
The utility model discloses a coaxial structure of reducing gear box, include: a reduction box body and a reduction box cover; the reduction box cover is fixed to one end of the reduction box body; the coaxial structure of reducing gear box still includes: the device comprises an input shaft, an intermediate gear, an output gear and an output shaft; the reduction box body is provided with a first bearing chamber; a second bearing chamber and a third bearing chamber are formed at one end of the reduction box cover and one end of the reduction box body together; the first bearing chamber is communicated to the second bearing chamber through the first connecting window; the second bearing chamber is communicated to the third bearing chamber through a second connecting window; the first bearing chamber is provided with a first bearing and a second bearing; the second bearing chamber is provided with a third bearing and a fourth bearing; the third bearing chamber is provided with a fifth bearing; the rotation axes of the first bearing, the input shaft, the second bearing output shaft and the fifth bearing are overlapped. The radial installation space of the coaxial structure of the reduction gearbox is small, the structure is simple, the cost is low, and the size of the product is effectively reduced.
Description
Technical Field
The utility model relates to a coaxial structure of reducing gear box.
Background
The gears of the reduction gearbox of the traditional drive assembly are in parallel shaft arrangement, and the input shaft and the output shaft are in a non-coaxial structure. Meanwhile, the output end of the reduction gearbox of the traditional drive assembly adopts the inner gear ring to rotate to realize power output, the structure is complex, the product volume is large, and the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a coaxial structure of reducing gear box adopts following technical scheme:
a coaxial structure of a reduction gearbox comprising: a reduction box body and a reduction box cover; the reduction box cover is fixed to one end of the reduction box body; the coaxial structure of reducing gear box still includes: the device comprises an input shaft, an intermediate gear, an output gear and an output shaft; the reduction box body is provided with a first bearing chamber; a second bearing chamber and a third bearing chamber are formed at one end of the reduction box cover and one end of the reduction box body together; the first bearing chamber is communicated to the second bearing chamber through the first connecting window; the second bearing chamber is communicated to the third bearing chamber through a second connecting window; the first bearing chamber is provided with a first bearing and a second bearing; the second bearing chamber is provided with a third bearing and a fourth bearing; the third bearing chamber is provided with a fifth bearing; the input shaft penetrates through the first bearing and extends into the first bearing chamber; the intermediate shaft is arranged in the second bearing chamber, and two ends of the intermediate shaft are respectively inserted into the third bearing and the fourth bearing; the intermediate gear is fixedly connected to the intermediate shaft and meshed with the input shaft through the first connecting window; the output shaft is arranged in the third bearing chamber, and two ends of the output shaft are respectively inserted into the second bearing and the second bearing; the output gear is fixedly connected to the output shaft and meshed with the intermediate shaft through a second connecting window; the rotating axes of the first bearing, the input shaft, the second bearing output shaft and the fifth bearing are overlapped; the rotation axes of the third bearing, the intermediate shaft and the fourth bearing are coincident.
Further, the input shaft is a gear shaft; the intermediate gear meshes with the teeth formed by the input shaft.
Further, the intermediate shaft is a gear shaft; the output gear meshes with teeth formed by the intermediate shaft.
Further, the output shaft is a gear shaft; the external gearing engages with teeth formed by the output shaft.
The utility model discloses an useful part lies in the coaxial arrangement's of a reducing gear box first bearing, input shaft, second bearing output shaft and the coincidence of the axis of rotation of fifth bearing that provides, and the input shaft is coaxial arrangement with the output shaft promptly, can reduce the radial installation space of reducing gear box to reduce the whole volume of product. Meanwhile, the coaxial structure of the reduction gearbox directly outputs power through the output shaft, the structure is simple, the cost is low, and the size of the product is further effectively reduced.
Drawings
Fig. 1 is a schematic view of the coaxial structure of the reduction gearbox of the present invention.
The coaxial structure 10 of the reduction box, the reduction box body 11, the reduction box cover 12, the first bearing chamber 13, the first bearing 14, the second bearing 15, the second bearing chamber 16, the third bearing 17, the fourth bearing 18, the third bearing chamber 19, the fifth bearing 20, the first connecting window 21, the second connecting window 22, the input shaft 23, the intermediate shaft 24, the intermediate gear 25, the output gear 26 and the output shaft 27.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a coaxial structure 10 of a reduction gearbox comprises: a reduction box body 11 and a reduction box cover 12. The reduction case cover 12 is fixed to one end of the reduction case body 11. The reduction case 11 is provided with a first bearing chamber 13. The reduction case cover 12 and one end of the reduction case body 11 together form a second bearing chamber 16 and a third bearing chamber 19. The first bearing chamber 13 communicates to the second bearing chamber 16 through a first connecting window 21. The second bearing chamber 16 communicates to the third bearing chamber 19 through the second connection window 22. The first bearing chamber 13 is provided with a first bearing 14 and a second bearing 15. The second bearing chamber 16 is provided with a third bearing 17 and a fourth bearing 18. The third bearing chamber 19 is provided with a fifth bearing 20.
As a concrete structure, the coaxial structure 10 of the reduction gearbox further includes: input shaft 23, intermediate shaft 24, intermediate gear 25, output gear 26, and output shaft 27. The input shaft 23 extends through the first bearing 14 into the first bearing chamber 13. The intermediate shaft 24 is disposed in the second bearing chamber 16 and has both ends inserted into the third bearing 17 and the fourth bearing 18, respectively. The intermediate gear 25 is fixedly connected to the intermediate shaft 24 and partly protrudes through the first connecting window 21 into the first bearing chamber 13 to mesh with the input shaft 23. The output shaft 27 is provided in the third bearing chamber 19 with both ends inserted into the second bearing 15 and the second bearing 15, respectively. The output gear 26 is fixedly connected to the output shaft 27 and partly projects through the second connecting window 22 into the second bearing chamber 16 in engagement with the intermediate shaft 24. The rotational axes of the first bearing 14, the input shaft 23, the second bearing 15, the output shaft 27 and the fifth bearing 20 coincide. The rotational axes of the third bearing 17, the intermediate shaft 24 and the fourth bearing 18 coincide.
Specifically, the rotation axes of the first bearing 14, the input shaft 23, the second bearing 15, the output shaft 27 and the fifth bearing 20 of the coaxial structure 10 of the reduction gearbox are overlapped, namely the input shaft 23 and the output shaft 27 are of a coaxial structure, and the radial installation space of the reduction gearbox can be reduced. Meanwhile, the coaxial structure 10 of the reduction gearbox directly outputs power through the output shaft 27, the structure is simple, the cost is low, and the size of the product is effectively reduced
In one specific embodiment, the input shaft 23 is a pinion shaft. The intermediate gear 25 is engaged with the teeth formed on the input shaft 23 to effect the transmission of the power of the input shaft 23 to the intermediate gear 25.
As a specific embodiment, the intermediate shaft 24 is a pinion shaft. The output gear 26 meshes with teeth formed on the counter shaft 24 to effect input of power carried by the counter shaft 24 to the output gear 26.
In one specific embodiment, the output shaft 27 is a pinion shaft. The external gearing engages with the teeth formed by the output shaft 27 to effect power take-off.
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 (4)
1. A coaxial structure of a reduction gearbox comprising: a reduction box body and a reduction box cover; the reduction box cover is fixed to one end of the reduction box body; it is characterized in that the coaxial structure of the reduction gearbox further comprises: the device comprises an input shaft, an intermediate gear, an output gear and an output shaft; the reduction box body is provided with a first bearing chamber; a second bearing chamber and a third bearing chamber are formed at one end of the reduction box cover and one end of the reduction box body together; the first bearing chamber is communicated to the second bearing chamber through a first connecting window; the second bearing chamber is communicated to the third bearing chamber through a second connecting window; the first bearing chamber is provided with a first bearing and a second bearing; the second bearing chamber is provided with a third bearing and a fourth bearing; the third bearing chamber is provided with a fifth bearing; the input shaft extends through the first bearing into the first bearing chamber; the intermediate shaft is arranged in the second bearing chamber, and two ends of the intermediate shaft are respectively inserted into the third bearing and the fourth bearing; the intermediate gear is fixedly connected to the intermediate shaft and is meshed with the input shaft through the first connecting window; the output shaft is arranged in the third bearing chamber, and two ends of the output shaft are respectively inserted into the second bearing and the second bearing; the output gear is fixedly connected to the output shaft and meshed with the intermediate shaft through the second connecting window; the rotation axes of the first bearing, the input shaft, the second bearing and the output shaft are coincident; the rotation axes of the third bearing, the intermediate shaft and the fourth bearing are coincident.
2. The coaxial structure of the reduction gearbox according to claim 1,
the input shaft is a gear shaft; the intermediate gear meshes with teeth formed by the input shaft.
3. The coaxial structure of the reduction gearbox according to claim 1,
the intermediate shaft is a gear shaft; the output gear meshes with teeth formed by the intermediate shaft.
4. The coaxial structure of the reduction gearbox according to claim 1,
the output shaft is a gear shaft; an external drive structure engages teeth formed on the output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020233432.8U CN211778884U (en) | 2020-02-28 | 2020-02-28 | Coaxial structure of reduction gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020233432.8U CN211778884U (en) | 2020-02-28 | 2020-02-28 | Coaxial structure of reduction gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211778884U true CN211778884U (en) | 2020-10-27 |
Family
ID=72902463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020233432.8U Active CN211778884U (en) | 2020-02-28 | 2020-02-28 | Coaxial structure of reduction gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211778884U (en) |
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2020
- 2020-02-28 CN CN202020233432.8U patent/CN211778884U/en active Active
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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 | ||
| 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. |