CN219673189U - Worm wheel and planetary combined transmission structure - Google Patents
Worm wheel and planetary combined transmission structure Download PDFInfo
- Publication number
- CN219673189U CN219673189U CN202320607276.0U CN202320607276U CN219673189U CN 219673189 U CN219673189 U CN 219673189U CN 202320607276 U CN202320607276 U CN 202320607276U CN 219673189 U CN219673189 U CN 219673189U
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- wheel
- worm
- planet
- gear
- worm wheel
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 37
- 239000003638 chemical reducing agent Substances 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a worm wheel and planet combined transmission structure, which relates to the technical field of speed reducers and comprises an input stage worm, a worm wheel, a sun wheel and a spline shaft which are coaxially and sequentially arranged. In the utility model, only one speed n is needed to be input to the input stage worm 1 Through the worm wheelIs engaged to drive the wheel core to operate at a speed n 2 Because the wheel core is meshed with the sun gear, the sun gear also inputs a speed n 2 So that the primary planetary structure outputs a speed n 3 In this case, a larger transmission ratio n can be realized in a tighter space with only one speed direction being changed 1 /n 3 。
Description
Technical Field
The utility model relates to the technical field of speed reducers, in particular to a worm wheel and planet combined transmission structure applied to a reduction gear.
Background
In the existing mechanism for transmitting power and motion, the application range of the speed reducer is quite wide, the trail of the speed reducer can be seen in transmission systems of various machines, and the speed reducer has the functions of reducing speed and increasing torque.
In the prior art, most of the reduction gears are driven by a single-stage worm, the first-stage transmission ratio is generally 10-50, and the use requirement of realizing a larger transmission ratio in a tighter space is difficult to meet.
Disclosure of Invention
The utility model aims to provide a worm wheel and planet combined transmission structure which is used for solving the technical problems.
The technical scheme adopted by the utility model is as follows:
the utility model provides a worm wheel and planet combination transmission structure, includes the input stage worm to and coaxial turbine, sun gear and the integral key shaft that sets gradually, the input stage worm with turbine transmission is connected, the turbine with sun gear transmission is connected, one side of sun gear is equipped with the planet carrier, be equipped with the planet wheel on the planet carrier, the outside of planet wheel is equipped with the ring gear, the ring gear with the integral key shaft transmission is connected, the sun gear the planet wheel the ring gear the planet carrier with the integral key shaft constitutes one-level planetary structure.
Preferably, the turbine comprises a wheel core and a hub arranged on the periphery of the wheel core, and the input stage worm is meshed with the hub.
As a further preferable mode, the wheel core is provided with an inner spline, the sun wheel is provided with an outer spline, and the inner spline is meshed with the outer spline.
Preferably, the ring gear meshes with the planet gears.
Preferably, the spline shaft further comprises a mounting frame, wherein the inner gear ring is arranged on the mounting frame, and the mounting frame is arranged on the periphery of the spline shaft.
Preferably, the ring gear is disposed coaxially with the spline shaft.
The technical scheme has the following advantages or beneficial effects:
in the utility model, only one speed n is needed to be input to the input stage worm 1 By engaging the wheel hub of the worm wheel to drive the wheel core to operate at a speed n 2 Because the wheel core is meshed with the sun gear, the sun gear also inputs a speed n 2 So that the primary planetary structure outputs a speed n 3 In this case, a larger transmission ratio n can be realized in a tighter space with only one speed direction being changed 1 /n 3 。
Drawings
FIG. 1 is a schematic diagram of a worm gear and planet combined transmission structure in the utility model;
FIG. 2 is a schematic diagram of the internal structure of the worm gear and planet combined transmission structure in the present utility model.
In the figure: 1. an input stage worm; 2. a worm wheel; 201. a wheel core; 202. a hub; 3. a sun gear; 4. a spline shaft; 5. a planet carrier; 6. a planet wheel; 7. an inner gear ring; 8. and (5) mounting a frame.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.
In the description of the present utility model, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.
In the description of the present utility model, it should be noted that unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
FIG. 1 is a schematic diagram of a worm gear and planet combined transmission structure in the utility model; FIG. 2 is a schematic diagram of the internal structure of the worm gear and planet combined transmission structure in the present utility model. Referring to fig. 1 to 2, a preferred embodiment of a worm wheel and planet combined transmission structure is shown, and the worm wheel and planet combined transmission structure comprises an input stage worm 1, a worm wheel 2, a sun wheel 3 and a spline shaft 4 which are coaxially and sequentially arranged, wherein the input stage worm 1 is in transmission connection with the worm wheel 2, the worm wheel 2 is in transmission connection with the sun wheel 3, a planet carrier 5 is arranged on one side of the sun wheel 3, a planet wheel 6 is arranged on the planet carrier 5, an inner gear ring 7 is arranged on the outer side of the planet wheel 6, the inner gear ring 7 is in transmission connection with the spline shaft 4, and the sun wheel 3, the planet wheel 6, the inner gear ring 7, the planet carrier 5 and the spline shaft 4 form a primary planetary structure. In this embodiment, referring to fig. 2, the axis of the input stage worm 1 is perpendicular to the axis of the worm wheel 2, the worm wheel 2 includes a wheel core 201 and a hub 202 disposed at the periphery of the wheel core 201, so that the input stage worm 1 is meshed with the hub 202, when the input stage worm 1 rotates, the hub 202 can be driven to rotate the wheel core 201, an internal spline is disposed on the wheel core 201, an external spline is disposed on the sun wheel 3, the internal spline is meshed with the external spline, the wheel core 201 is meshed with the sun wheel 3, the sun wheel 3 can be driven to rotate by rotation of the wheel core 201, the ring gear 7 can be driven to rotate by rotation of the sun wheel 3, and the spline shaft 4 can be driven by the ring gear 7, so as to realize output of power. Wherein, ring gear 7 meshes with planet wheel 6 mutually, is convenient for the transmission of power between the two.
In the embodiment, the worm gear and the planetary transmission are combined with each other, the maximum transmission ratio can reach about 300, and the method is suitable for a reduction gear with limited space and relatively high transmission.
In use, the input stage worm 1 inputs a speed n 1 The driving wheel core 201 operates at a speed n by engaging with the hub 202 of the worm wheel 2 2 Since the hub 201 is engaged with the sun gear 3, the sun gear 3 also inputs a speed n 2 A speed n is output through the primary planetary structure of the sun gear 3, the planet gears 6, the inner gear ring 7, the planet carrier 5 and the spline shaft 4 3 In this case, a larger transmission ratio n can be realized in a tighter space with only one speed direction being changed 1 /n 3 。
Further, as a preferred embodiment, the device further comprises a mounting frame 8, wherein the inner gear ring 7 is arranged on the mounting frame 8, and the mounting frame 8 is arranged on the periphery of the spline shaft 4. Referring to fig. 2, a mounting frame 8 is provided for fixing the ring gear 7 and transmitting the power of the ring gear 7 to the spline shaft 4 to realize power transmission.
Further, as a preferred embodiment, the ring gear 7 is provided coaxially with the spline shaft 4.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (6)
1. The utility model provides a worm wheel and planet combination transmission structure, its characterized in that includes input stage worm, and coaxial worm wheel, sun gear and the integral key shaft that sets gradually, input stage worm with worm wheel transmission is connected, the worm wheel with sun gear transmission is connected, one side of sun gear is equipped with the planet carrier, be equipped with the planet wheel on the planet carrier, the outside of planet wheel is equipped with the ring gear, the ring gear with the integral key shaft transmission is connected, the sun gear the planet wheel the ring gear the planet carrier with the integral key shaft constitutes one-level planetary structure.
2. The worm wheel and planetary combined transmission structure according to claim 1, wherein the worm wheel comprises a wheel core and a hub arranged on the periphery of the wheel core, and the input stage worm is meshed with the hub.
3. The worm wheel and planetary combined transmission structure as claimed in claim 2, wherein the wheel core is provided with an internal spline, the sun wheel is provided with an external spline, and the internal spline is meshed with the external spline.
4. The worm wheel and planet gear combination as claimed in claim 1, wherein the ring gear is engaged with the planet gear.
5. The worm gear and planet combined transmission structure according to claim 1, further comprising a mounting frame, wherein the ring gear is arranged on the mounting frame, and the mounting frame is arranged on the periphery of the spline shaft.
6. The worm wheel and planetary combined transmission structure according to claim 1, wherein the ring gear is disposed coaxially with the spline shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320607276.0U CN219673189U (en) | 2023-03-24 | 2023-03-24 | Worm wheel and planetary combined transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320607276.0U CN219673189U (en) | 2023-03-24 | 2023-03-24 | Worm wheel and planetary combined transmission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219673189U true CN219673189U (en) | 2023-09-12 |
Family
ID=87895306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320607276.0U Active CN219673189U (en) | 2023-03-24 | 2023-03-24 | Worm wheel and planetary combined transmission structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219673189U (en) |
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2023
- 2023-03-24 CN CN202320607276.0U patent/CN219673189U/en active Active
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