CN215721164U - Planetary gear speed change mechanism and valve actuator - Google Patents
Planetary gear speed change mechanism and valve actuator Download PDFInfo
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- CN215721164U CN215721164U CN202121588980.3U CN202121588980U CN215721164U CN 215721164 U CN215721164 U CN 215721164U CN 202121588980 U CN202121588980 U CN 202121588980U CN 215721164 U CN215721164 U CN 215721164U
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- gear
- planetary gear
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- planetary
- valve actuator
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Abstract
The utility model relates to a valve structure, in particular to a planetary gear speed change mechanism and a valve actuator, and solves the problem of the valve structure. Including planet gear base, planetary gear, planet tooth back gasket and the extension hand wheel switching dish that sets gradually along the axis, planet gear base is equipped with bearing, bearing frame and extension hand wheel seat in proper order along radial outside, planetary gear is equipped with the internal tooth base along radial outside, the internal tooth base leans on planetary gear one side to be equipped with the big internal gear of meshing assembly, planetary gear is equipped with the sun gear of meshing linkage assembly on the axial, adopts planetary gear variable mechanism, and the inner circle is the sun gear, and the centre has three planetary gear to surround sun gear, and the periphery has big internal gear to surround planetary gear. The rotating speed ratio reaches 1:10, manual rotating turns can be reduced through the gear during manual operation, the valve can be opened or closed quickly, time is saved, and efficiency is improved.
Description
Technical Field
The utility model relates to a valve structure, in particular to a planetary gear speed change mechanism and a valve actuator.
Background
The valve actuator is an indispensable part on a pipeline as an actuating mechanism and a control valve assembly in an automatic valve control system, is widely applied to various pump stations of water conservancy, thermoelectricity, water supply and drainage, chemical engineering, metallurgy and the like, and is used for adjusting the flow of process media. When the existing product manually operates the switch, the rotating speed ratio is 1:60, namely the rotating speed ratio is low, the number of turns needed to be manually operated is high, time and labor are wasted, and the field operation efficiency is low.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a planetary gear speed change mechanism and a valve actuator.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: a planetary gear speed change mechanism and a valve actuator comprise a planetary gear base, a planetary gear back gasket and a lengthened hand wheel adapter plate which are sequentially arranged along an axis, the planet gear base is provided with a bearing, a bearing seat and a lengthened hand wheel seat in turn along the radial direction outwards, the planet gear is provided with an internal tooth base along the radial direction outwards, a large inner gear which is engaged and assembled is arranged on one side of the inner gear base close to the planet gear, the planet gear is axially provided with a sun gear which is engaged and linked and assembled, the lengthened hand wheel seat, the internal tooth base and the bearing seat are fixedly connected, the planetary gear and the planetary tooth base are movably assembled, the rotation paths of the sun gear, the planet gear and the big inner gear are in concentric ring structures which are arranged inside and outside in sequence on the axial projection, the planetary gears are evenly arranged at three positions along the circumference, and 120-degree included angles are formed between the planetary gears and a central connecting line of the circular motion path.
The gear ratio of the large inner gear to the planetary gear to the sun gear is 90: 40: and 9, the modulus of the large inner gear, the planet gear and the sun gear is 0.8.
The lengthened hand wheel seat is of a Z-shaped structure, and a stepped mounting hole is formed in the lengthened hand wheel seat.
The diameter of the planet gear backrest gasket is larger than the inner diameter of the inner tooth base.
The planet gear base is the installation department at axial one end, and the planet gear is linkage portion at the other end, be equipped with the installation axle that corresponds planet gear position and quantity on the installation department.
The utility model has the beneficial effects that: the utility model provides a planetary gear speed change mechanism and a valve actuator, which adopt a planetary gear variable mechanism, wherein the innermost ring is a sun gear, three planetary gears surround the sun gear in the middle, and a large internal gear surrounds the planetary gears at the periphery. The rotating speed ratio reaches 1:10, manual rotating turns can be reduced through the gear during manual operation, the valve can be opened or closed quickly, time is saved, and efficiency is improved.
Drawings
FIG. 1 is a schematic view of a gear engagement structure of the present invention;
fig. 2 is a schematic cross-sectional structure of the present invention.
Detailed Description
As shown in fig. 1-2, a planetary gear 2 speed change mechanism and a valve actuator include a planetary gear base 1, a planetary gear 2, a planetary gear back gasket 3 and a lengthened hand wheel adapter 4 which are sequentially arranged along an axis, the planetary gear base 1 is sequentially provided with a bearing 5, a bearing seat 6 and a lengthened hand wheel seat 7 along the radial direction, the planetary gear 2 is provided with an internal gear base 8 along the radial direction, one side of the internal gear base 8 close to the planetary gear 2 is provided with a large internal gear 9 which is engaged and assembled, and the planetary gear 2 is provided with a sun gear 10 which is engaged and linked and assembled along the axial direction. The planetary gear 2 is provided with three positions, and the planetary gear 2 is movably assembled on the planetary base 1. Because the number of the planet gears 2 is large, the planet gear back cushion 3 is arranged for contact balance and stability. The lengthened hand wheel adapter plate 4 is used for adapting and is not explained in more detail herein. The sun gear 10 is arranged centrally in the innermost ring, in this embodiment mounted in the middle of the device, through a hole along the axis and in meshing engagement with the planet gears 2. The sun gear 10, the planet gear 2 and the large inner gear 9 are meshed and linked, wherein the large inner gear 9 is particularly arranged on an inner ring of the inner tooth base 8, so that the assembly and the structural design are convenient.
Fixed connection between extension hand wheel seat 7, internal tooth base 8, the bearing frame 6, movable assembly between planetary gear 2 and the planetary tooth base 1 is for better protection so do specific restriction to some connection structure. In summary, a part of the base is used for movably assembling the gears, the gears are meshed and linked with each other, and the design of the gears has special characteristics, so that the valve can be quickly opened and closed manually. The rotation paths of the sun gear 10, the planet gear 2 and the large inner gear 9 are concentric ring structures which are sequentially arranged inside and outside in the axial projection, the planet gear 2 is uniformly arranged at three positions along the circumference, and 120-degree included angles are formed between the planet gear 2 and the central connecting line of the circular motion path. The valve has the key technical characteristics that the rotating speed ratio reaches 1:10 through the design, the valve is convenient and quick to open and close, and meanwhile, the stability of the opening and closing state of the valve can be still ensured.
The gear ratio of the large inner gear 9, the planet gear 2 and the sun gear 10 is 90: 40: 9, and the modules of the large inner gear 9, the planet gear 2 and the sun gear 10 are all 0.8. The size parameter is designed to be a preferred ratio, but is in no way limited thereto. The structure is firm under this proportion, and transmission efficiency is high, and the assembly is convenient.
Lengthened hand wheel seat 7 is the zigzag structure, be equipped with stepped mounting hole 11 in lengthened hand wheel seat 7, direct axial butt when being convenient for interior external assembly reduces structural design, strengthens the erection joint compactness.
The diameter of the planet gear back cushion 3 is larger than the inner diameter of the inner tooth base 8, so that two ends of the planet gear back cushion 3 protrude relatively, and the assembly stability of the planet gear 2 is further improved by inserting the clamping limit during installation.
The planet gear base 1 is the installation department 12 at axial one end, and planetary gear 2 is linkage portion 13 at the other end, be equipped with the installation axle 14 that corresponds planetary gear 2 position and quantity on the installation department 12. The planet gear base 1 of the integrated structure is more suitable for the multipoint meshing linkage structure of the embodiment, and is beneficial to stable and efficient transmission.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, are not to be considered as limiting the present invention, and that the fundamental principles, the main features, and the advantages of the present invention are shown and described above, as would be understood by those skilled in the art.
Claims (5)
1. A planetary gear speed change mechanism and a valve actuator are characterized by comprising a planetary gear base, a planetary gear backrest gasket and a lengthened hand wheel adapter plate which are sequentially arranged along an axis, wherein the planetary gear base is sequentially provided with a bearing, a bearing seat and a lengthened hand wheel seat along the radial direction, the planetary gear is sequentially provided with an internal tooth base along the radial direction, one side of the internal tooth base, which is close to the planetary gear, is provided with a large internal gear assembled in a meshing way, the planetary gear is axially provided with a sun gear assembled in a meshing linkage way, the lengthened hand wheel seat, the internal tooth base and the bearing seat are fixedly connected, the planetary gear and the planetary gear base are movably assembled, the rotation paths of the sun gear, the planetary gear and the large internal gear are concentric ring structures which are sequentially arranged inside and outside in an axial projection way, and the planetary gear is uniformly provided with three positions along the circumference, and the planet gear and the central connecting line of the circular motion path form an included angle of 120 degrees.
2. A planetary gear variator and valve actuator as claimed in claim 1 wherein the big internal gear, planetary gear and sun gear ratio is 90: 40: and 9, the modulus of the large inner gear, the planet gear and the sun gear is 0.8.
3. A planetary gear change mechanism and valve actuator as claimed in claim 1 or 2 wherein the elongate handwheel base is of a Z-shaped configuration, the elongate handwheel base having a stepped mounting aperture therein.
4. A planetary gear transmission and valve actuator as claimed in claim 3 wherein the planet back spacer diameter is greater than the internal tooth base internal diameter dimension.
5. A planetary gear transmission and valve actuator as claimed in claim 3 wherein the planetary gear base is a mounting portion at one axial end and the planetary gears are linkage portions at the other axial end, the mounting portion having mounting shafts corresponding to the positions and numbers of the planetary gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121588980.3U CN215721164U (en) | 2021-07-13 | 2021-07-13 | Planetary gear speed change mechanism and valve actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121588980.3U CN215721164U (en) | 2021-07-13 | 2021-07-13 | Planetary gear speed change mechanism and valve actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215721164U true CN215721164U (en) | 2022-02-01 |
Family
ID=79986668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121588980.3U Active CN215721164U (en) | 2021-07-13 | 2021-07-13 | Planetary gear speed change mechanism and valve actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215721164U (en) |
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2021
- 2021-07-13 CN CN202121588980.3U patent/CN215721164U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220608 Address after: 325000 Bei Bai Xiang Zhen Hou Xi Zhang, Leqing City, Wenzhou City, Zhejiang Province Patentee after: Boyue automatic control valve Co.,Ltd. Patentee after: Zhejiang Borui fluid equipment Co., Ltd Address before: 325000 No. 130, Jiaotong East Road, beibaixiang Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: Zhejiang Borui fluid equipment Co.,Ltd. |