CN219809400U - A increase of service life structure for plastic housing reduction gear box - Google Patents
A increase of service life structure for plastic housing reduction gear box Download PDFInfo
- Publication number
- CN219809400U CN219809400U CN202321055486.XU CN202321055486U CN219809400U CN 219809400 U CN219809400 U CN 219809400U CN 202321055486 U CN202321055486 U CN 202321055486U CN 219809400 U CN219809400 U CN 219809400U
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- fixed
- fixed shaft
- gear
- iii
- duplex gear
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- 238000009434 installation Methods 0.000 claims abstract description 3
- 239000002184 metal Substances 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a life-prolonging structure for a plastic shell reduction gearbox, which comprises a fixed shaft and a duplex gear arranged on the fixed shaft, wherein the fixed shaft comprises a fixed shaft I, a fixed shaft II and a fixed shaft III, the duplex gear comprises a duplex gear I, a duplex gear II and a duplex gear III, the duplex gear I is sleeved on the fixed shaft I, the duplex gear II is sleeved on the fixed shaft II, the duplex gear III is sleeved on the fixed shaft III, the upper ends of the fixed shaft I, the fixed shaft II and the fixed shaft III are fixedly arranged on an upper fixed plate, the lower ends of the fixed shaft I, the fixed shaft II and the fixed shaft III are fixedly arranged on a lower fixed plate, a step is arranged at the installation position of the fixed plate at the upper end and the lower end of each shaft, and an oil storage tank is arranged at the sleeved position of the duplex gear of each shaft. According to the utility model, the positioning strength of the fixed shaft is increased, the lubrication between the fixed shaft and the gear hole is improved, and the service life of the plastic shell gear box is effectively prolonged.
Description
Technical Field
The utility model relates to a life-prolonging structure for a plastic shell reduction gear box, and belongs to the technical field of motor transmission.
Background
The application field of the reduction gearbox is quite wide, such as the well-known automobile field, the electronic product industry, the household electrical appliances, the medical equipment, the engineering machinery, the petrochemical industry and other fields. The existing micro gear box is mostly provided with a metal shell, a large shaft sleeve and a small shaft sleeve which are pressed and matched, a mounting plate is arranged, and a metal output shaft and a screw locking structure are matched. The concrete matching mode is that the cover shell plate is in press fit with the large shaft sleeve, the cover shell plate is in press fit with the baffle plate, and the bottom plate cover is in press fit with the small shaft sleeve. The structure and the assembly mode have higher requirements on the size of the parts and the riveting verticality, are difficult to control and easily cause poor noise of products; the cover shell plate and the mounting plate, and the cover shell plate and the bottom plate cover are locked by screws, so that the efficiency is affected, and the labor cost is increased; the output shaft is made of metal, noise is easy to generate when the output shaft is matched with the shaft sleeve, and the material and the processing cost are high.
Therefore, the existing reduction gearbox adopts a plastic shell, but the existing reduction gearbox product with the plastic shell is fixed on the plastic shell due to the fact that a single side of a fixed shaft is positioned and fixed, when the transmission torque of the gearbox is large or high-frequency locked-rotor, the fixed shaft is subjected to radial force to shake, parallelism between the fixed shafts can be poor, gear meshing center distance is changed, stress is uneven, abrasion between a gear and the fixed shafts is further increased, and accordingly service life is prolonged.
Disclosure of Invention
The utility model aims to provide a life-prolonging structure for a reduction gearbox with a plastic shell, which is used for solving the problem that the life is insufficient when the transmission torque is large or high-frequency is blocked, and effectively prolonging the service life of the gearbox with the plastic shell by increasing the positioning strength of a fixed shaft and improving the lubrication between the fixed shaft and a gear hole.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a increase of service life structure for plastic housing reduction gear box, includes fixed axle and installs the duplex gear on the fixed axle, the fixed axle includes fixed axle I, fixed axle II and fixed axle III, duplex gear includes duplex gear I, duplex gear II and duplex gear III, duplex gear I suit is on fixed axle I, duplex gear II suit is on fixed axle II, duplex gear III suit is on fixed axle III, the equal fixed mounting of upper end of fixed axle I, fixed axle II and fixed axle III is on the fixed plate, the equal fixed mounting of lower extreme is on the fixed plate down to the upper and lower end fixed plate installation department of each axle is provided with the step, and the duplex gear suit department of each axle is provided with the oil storage tank.
Further, the fixing shaft I, the fixing shaft II and the fixing shaft III are respectively combined with the upper fixing plate and the lower fixing plate into a whole in an interference press fit or welding mode.
Furthermore, the fixed shaft I, the fixed shaft II and the fixed shaft III are in clearance fit with the duplex gear I, the duplex gear II and the duplex gear III respectively.
Further, an adjusting tube I is arranged on the fixed shaft I between the duplex gear I and the upper fixed plate.
Further, an adjusting tube II is arranged on the fixed shaft II between the duplex gear II and the upper fixed plate.
Further, an adjusting tube III is arranged on the fixed shaft III between the duplex gear III and the lower fixed plate.
Further, the big teeth of the duplex gear II are meshed with the small teeth of the duplex gear I, and the small teeth of the duplex gear II are meshed with the big teeth of the duplex gear III.
Further, the upper fixing plate and the lower fixing plate are both made of metal materials.
The beneficial effects of the utility model are as follows: the step shaft is done at this structural design fixed axle both ends and metal fixed plate is increased, strengthens fixed axle stability, guarantees the depth of parallelism, avoids causing the atress that the centre-to-centre spacing changes to lead to because of the big or high frequency of transmission moment is locked up to increase gear box life, and the fixed axle is in the department of cooperating with the gear increase oil storage tank, increase lubrication between fixed axle and the gear hole, reduce wearing and tearing, thereby increase gear box life.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
Fig. 1 is an overall construction diagram of the present utility model.
Fig. 2 is a cross-sectional view of the present utility model.
Fig. 3 is a schematic view of the structure of the fixed shaft of the present utility model.
Marked in the figure as: 1-fixed shaft I, 2-fixed shaft II, 3-fixed shaft III, 4-duplex gear I, 5-duplex gear II, 6-duplex gear III, 7-upper fixed plate, 8-lower fixed plate, 9-adjusting pipe I, 10-adjusting pipe II, 11-adjusting pipe III, 12-step and 13-oil storage tank.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 3, a life-prolonging structure for a reduction gearbox with a plastic shell comprises a fixed shaft and a duplex gear arranged on the fixed shaft, wherein the fixed shaft comprises a fixed shaft I1, a fixed shaft II2 and a fixed shaft III3, the duplex gear comprises a duplex gear I4, a duplex gear II5 and a duplex gear III6, the duplex gear I4 is sleeved on the fixed shaft I1, the duplex gear II5 is sleeved on the fixed shaft II2, the duplex gear III6 is sleeved on the fixed shaft III3, the upper ends of the fixed shaft I1, the fixed shaft II2 and the fixed shaft III3 are fixedly arranged on an upper fixed plate 7, the lower ends of the fixed shaft I1, the fixed shaft II2 and the fixed shaft III3 are fixedly arranged on a lower fixed plate 8, a step 12 is arranged at the mounting position of the upper end and the lower end fixed plate of each shaft, and an oil storage tank 13 is arranged at the sleeved position of the duplex gear of each shaft.
In this embodiment, the fixing shafts I1, II2 and III3 are respectively combined with the upper and lower fixing plates 7 and 8 by interference press fit or welding.
In this embodiment, the fixed shaft I1, the fixed shaft II2, and the fixed shaft III3 are in clearance fit with the duplex gear I4, the duplex gear II5, and the duplex gear III6, respectively.
In the embodiment, an adjusting tube I9 is arranged on the fixed shaft I1 between the duplex gear I4 and the upper fixed plate 7; an adjusting tube II10 is arranged on the fixed shaft II2 between the duplex gear II5 and the upper fixed plate 7; an adjusting tube III11 is arranged on the fixed shaft III3 between the duplex gear III6 and the lower fixed plate 8. The fixed shafts are in clearance fit with the adjusting pipes.
In this embodiment, the big teeth of the duplex gear II5 are meshed with the small teeth of the duplex gear I4, and the small teeth of the duplex gear II5 are meshed with the big teeth of the duplex gear III 6.
In this embodiment, the upper fixing plate 7 and the lower fixing plate 8 are made of metal.
The stress structure of the utility model is described as follows: during operation, the duplex gear I4 is meshed with the duplex gear II5, the duplex gear II5 is meshed with the duplex gear III6, radial thrust exists between the two gears, the structure is assembled by using metal fixing plates at two ends of the fixing shaft, the problem of influencing parallelism between the two fixing shafts due to positioning offset of the fixing shaft after stress does not occur, and an oil storage tank is increased at the matching part of the fixing shaft I1 and the duplex gear I4, the fixing shaft II2 and the duplex gear II5 and the matching part of the fixing shaft III3 and the duplex gear III 5, so that abrasion between the fixing shaft and a gear hole is reduced, and the service life of the gearbox is prolonged.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It should be understood by those skilled in the art that the above embodiments do not limit the scope of the present utility model in any way, and all technical solutions obtained by equivalent substitution and the like fall within the scope of the present utility model. The utility model is not related in part to the same as or can be practiced with the prior art.
Claims (8)
1. The utility model provides a increase of service life structure for plastic housing reduction gear box, includes fixed axle and installs the duplex gear on the fixed axle, its characterized in that, the fixed axle includes fixed axle I, fixed axle II and fixed axle III, duplex gear includes duplex gear I, duplex gear II and duplex gear III, duplex gear I suit is on fixed axle I, duplex gear II suit is on fixed axle II, duplex gear III suit is on fixed axle III, the upper end of fixed axle I, fixed axle II and fixed axle III is all fixed mounting on the upper fixed plate, and the equal fixed mounting of lower extreme is on the lower fixed plate to the upper and lower end fixed plate installation department of each axle is provided with the step, and the duplex gear suit department of each axle is provided with the oil storage tank.
2. The life-increasing structure for a reduction gearbox with a plastic casing according to claim 1, wherein the fixed shaft I, the fixed shaft II and the fixed shaft III are integrated with the upper fixed plate and the lower fixed plate, respectively, by interference press-fitting or welding.
3. The life-increasing structure for a reduction gearbox with a plastic casing according to claim 1, wherein the fixed shaft I, the fixed shaft II and the fixed shaft III are in clearance fit with the duplex gear I, the duplex gear II and the duplex gear III, respectively.
4. The life-increasing structure for a reduction gearbox with a plastic casing according to claim 1, wherein an adjusting tube I is installed on the fixed shaft I between the double gear I and the upper fixed plate.
5. The life-increasing structure for a reduction gearbox with a plastic casing according to claim 4, wherein the adjusting tube II is mounted on the fixed shaft II between the duplicate gear II and the upper fixed plate.
6. The life-increasing structure for a reduction gearbox with a plastic housing according to claim 5, wherein the fixed shaft III between the double gear III and the lower fixed plate is provided with an adjusting tube III.
7. The life-increasing structure for a reduction gearbox with a plastic casing according to claim 1, wherein the big teeth of the double gear II are engaged with the small teeth of the double gear I, and the small teeth of the double gear II are engaged with the big teeth of the double gear III.
8. The life-increasing structure for a plastic housing reduction gearbox of claim 1, wherein the upper and lower fixing plates are both made of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321055486.XU CN219809400U (en) | 2023-05-06 | 2023-05-06 | A increase of service life structure for plastic housing reduction gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321055486.XU CN219809400U (en) | 2023-05-06 | 2023-05-06 | A increase of service life structure for plastic housing reduction gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219809400U true CN219809400U (en) | 2023-10-10 |
Family
ID=88217557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321055486.XU Active CN219809400U (en) | 2023-05-06 | 2023-05-06 | A increase of service life structure for plastic housing reduction gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219809400U (en) |
-
2023
- 2023-05-06 CN CN202321055486.XU patent/CN219809400U/en active Active
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