CN220869977U - Planetary gear reducer with low return difference - Google Patents
Planetary gear reducer with low return difference Download PDFInfo
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- CN220869977U CN220869977U CN202322916959.7U CN202322916959U CN220869977U CN 220869977 U CN220869977 U CN 220869977U CN 202322916959 U CN202322916959 U CN 202322916959U CN 220869977 U CN220869977 U CN 220869977U
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- planetary gear
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 claims description 2
- 238000005253 cladding Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model discloses a low return difference planetary gear reducer, and relates to the technical field of planetary reducers. The planetary gear transmission mechanism comprises a fixed shell, wherein gear rings are fixedly connected to the left side and the right side of the inner wall of the fixed shell, a plurality of planetary gears are in meshed connection with the inner walls of the two gear rings, a sun gear is in meshed connection with one face of each of the corresponding plurality of planetary gears, an input shaft is fixedly connected to the inner walls of the two sun gears, connecting rods are connected to the inner walls of the left and the right corresponding planetary gears in a rotary mode, and a connecting frame is fixedly connected to one face of each of the connecting rods. The utility model can improve the compactness of the internal structure, reduce the return difference of the device, and simultaneously ensure that the connecting part of the device is stably connected with an external device, thereby improving the stability of the connection of the device and the external device and improving the use effect of the device.
Description
Technical Field
The utility model relates to the technical field of planetary reducers, in particular to a planetary gear reducer with low return difference.
Background
The planetary gear reducer is a common mechanical transmission device and has the functions of reducing speed and transmitting torque, and the working principle is that power is transmitted from an input shaft to a sun gear, the sun gear drives a planetary gear to rotate, and the planetary gear transmits the power to an output shaft through an annular gear, so that speed reduction transmission is realized.
At present, along with the development of science and technology, the requirements on the precision and the structural compactness of the planetary gear reducer are higher and higher, the return difference can be reduced to meet the precision requirement of a high-precision testing instrument, and meanwhile, the conventional planetary gear reducer is not provided with an independent fixing mechanism during use, so that the stable connection of the connecting part of the planetary gear reducer with an external device cannot be ensured after the planetary gear reducer is used for a long time, the connection stability of the planetary gear reducer and the external device is affected, and the use effect of the planetary gear reducer is reduced.
Disclosure of utility model
The utility model adopts the following technical scheme for realizing the purposes:
The utility model provides a planetary gear reducer of low return difference, includes the fixed shell, the equal fixedly connected with ring gear in left and right sides of fixed shell inner wall, two the equal meshing of inner wall of ring gear is connected with a plurality of planetary gears, and corresponding a plurality of the one side joint connection of planetary gear has the sun gear, two the equal fixedly connected with input shaft of inner wall of sun gear, the equal rotation of inner wall of planetary gear is connected with the connecting rod about two corresponding, a plurality of the one side fixedly connected with link jointly of connecting rod, a plurality of on the right side the equal rotation of left side of planetary gear inner wall is connected with the planet carrier, the inner wall fixedly connected with output shaft of planet carrier, the fixed chamber has all been seted up to one side of the inside of output shaft and one side of input shaft, two the inner wall in fixed chamber all is provided with the changeable fixed establishment of cladding scope.
Further, fixed establishment includes the worm, both ends about the worm pole wall rotate with the left and right sides of fixed intracavity wall respectively and be connected, one side fixedly connected with driven gear of worm pole wall, driven gear's top surface meshing is connected with the driving gear, the inner wall fixedly connected with button pole of driving gear, driven gear pole wall's downside rotates and is connected with first spacing orifice plate, one side meshing of worm pole wall front side is connected with two worm wheels, two the equal fixedly connected with two-way lead screw of inner wall of worm wheel, two the equal rotation of upper and lower both sides of two-way lead screw pole wall is connected with the spacing orifice plate of second, two fixed orifices have all been seted up to the upside both sides of fixed intracavity wall, a plurality of the inner wall of fixed orifices all is provided with the fixed block, a plurality of the spacing groove has all been seted up to the left and right sides of fixed intracavity wall, a plurality of the inner wall of spacing groove is all sliding connection has the stopper, and the utility model can improve the compactness of inner structure, reduces the return difference of this device, and simultaneously this device has independent fixed establishment, can guarantee this device junction and external device increase and stability and use the stable device.
Further, the left end of input shaft runs through the left side of fixed shell inner wall and extends to its left surface, the inner wall of link and the right side fixed connection of input shaft wall, a plurality of the right side of connecting rod all with the left side fixed connection of planet carrier, two the upper end of button pole all runs through the upside of fixed intracavity wall and extends to the top surface of input shaft or the top surface of output shaft, two the top surface of first spacing orifice plate all with the upside fixed connection of fixed intracavity wall, a plurality of the one side of second spacing orifice plate all with one side fixed connection of fixed intracavity wall, a plurality of the inner wall of fixed block all with the pole wall threaded connection of corresponding two-way lead screw, two corresponding the opposite sides of stopper respectively with one side fixed connection of corresponding fixed block left and right sides.
Further, the fixed shell is made of high-strength alloy steel.
Further, the upper ends of the button rods are fixedly connected with button blocks, and the surfaces of the button blocks are provided with anti-skid lines.
Further, a clamping block is fixedly connected to one side in front of the input shaft and one side in front of the output shaft.
Further, the left side and the right side of the bottom surface of the fixed shell are fixedly connected with supporting seats, and the front side and the rear side of the bottom surface of each supporting seat are fixedly connected with mounting pore plates.
The beneficial effects of the utility model are as follows:
1. The input shaft and the output shaft of the device can rotate the button block when being sleeved with an external device, the button block drives the driving gear and the driven gear to rotate through the button rod, and the rotating driven gear drives the fixed block to be far away from the inside of the fixed hole through a series of transmission, so that the fixed block supports and fixes the inner wall of the external device.
2. The utility model can increase the friction force between the hands of the operator and the button blocks by utilizing the arrangement of the button blocks, is convenient for the operator to rotate the button rod through the button blocks, and reduces the use force of the operator when rotating the button rod, thereby being convenient for the operator to connect the device with an external device.
3. The utility model utilizes the arrangement of the supporting seat and the mounting pore plate, can facilitate the fixed mounting of an operator to the device through the bolts, and improves the stability of the device in the use process.
Drawings
FIG. 1 is a front cross-sectional view of the entirety of the present utility model;
FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with the present utility model;
FIG. 3 is a perspective view of the connector of the present utility model;
FIG. 4 is an overall perspective view of the present utility model;
reference numerals: 1. a fixed case; 2. a gear ring; 3. a planetary gear; 4. a sun gear; 5. an input shaft; 6. a connecting rod; 7. a connecting frame; 8. a planet carrier; 9. an output shaft; 10. a fixed cavity; 11. a worm; 12. a driven gear; 13. a drive gear; 14. a knob rod; 15. a first limiting orifice plate; 16. a worm wheel; 17. a two-way screw rod; 18. the second limiting orifice plate; 19. a fixing hole; 20. a fixed block; 21. a limit groove; 22. a limiting block; 23. a button block; 24. a clamping block; 25. a support base; 26. and (5) installing an orifice plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1-4, a planetary gear reducer with low return difference comprises a fixed shell 1, wherein the left side and the right side of the inner wall of the fixed shell 1 are fixedly connected with gear rings 2, the inner walls of the two gear rings 2 are respectively connected with a plurality of planetary gears 3 in a meshed manner, one surface of each planetary gear 3 is respectively connected with a sun gear 4 in a meshed manner, the inner walls of the two sun gears 4 are respectively and fixedly connected with an input shaft 5 in a meshed manner, the inner walls of the left and the right corresponding planetary gears 3 are respectively and fixedly connected with a connecting rod 6 in a rotating manner, one surface of each connecting rod 6 is respectively and fixedly connected with a connecting frame 7, the left sides of the inner walls of the plurality of planetary gears 3 on the right side are respectively and fixedly connected with a planet carrier 8, the inner walls of the planet carrier 8 are respectively and fixedly connected with an output shaft 9, one side of the inner part of the output shaft 9 and one side of the inner part of the input shaft 5 are respectively provided with a fixed cavity 10, the inner walls of the two fixed cavities 10 are respectively provided with a fixed mechanism with a changeable coating range, the fixing mechanism comprises a worm 11, the left end and the right end of the rod wall of the worm 11 are respectively and rotatably connected with the left side and the right side of the inner wall of the fixing cavity 10, one side of the rod wall of the worm 11 is fixedly connected with a driven gear 12, the top surface of the driven gear 12 is in meshed connection with a driving gear 13, the inner wall of the driving gear 13 is fixedly connected with a button rod 14, the lower side of the rod wall of the driven gear 12 is rotatably connected with a first limit orifice plate 15, one side of the front side of the rod wall of the worm 11 is in meshed connection with two worm gears 16, the inner walls of the two worm gears 16 are respectively and fixedly connected with a two-way screw rod 17, the upper side and the lower side of the rod wall of the two-way screw rod 17 are respectively and rotatably connected with a second limit orifice plate 18, the two sides of the upper side of the inner wall of the fixing cavity 10 are respectively provided with two fixing holes 19, the inner walls of the fixing holes 19 are respectively provided with a fixing block 20, the left side and the right side of the inner wall of the fixing holes 19 are respectively provided with a limit groove 21, the inner walls of the limiting grooves 21 are all connected with limiting blocks 22 in a sliding manner, the compactness of the internal structure can be improved, return difference of the device is reduced, meanwhile, the device is provided with an independent fixing mechanism, stable connection between the connecting position of the device and an external device can be ensured, the connection stability of the device and the external device is improved, and the using effect of the device is improved.
As shown in fig. 1-2, in some embodiments, the left end of the input shaft 5 extends to the left side of the inner wall of the fixed housing 1, the inner wall of the connecting frame 7 is fixedly connected with the right side of the shaft wall of the input shaft 5, the right sides of the plurality of connecting rods 6 are fixedly connected with the left side of the planet carrier 8, the upper ends of the two button rods 14 extend to the top surface of the input shaft 5 or the top surface of the output shaft 9 through the upper side of the inner wall of the fixed cavity 10, the top surfaces of the two first limiting orifice plates 15 are fixedly connected with the upper side of the inner wall of the fixed cavity 10, one sides of the plurality of second limiting orifice plates 18 are fixedly connected with one side of the inner wall of the fixed cavity 10, the inner walls of the plurality of fixed blocks 20 are fixedly connected with one sides of the corresponding bidirectional screw rods 17, and the opposite sides of the two corresponding limiting blocks 22 are respectively fixedly connected with the left side and the right side of the corresponding fixed blocks 20, so that the normal use of the device can be ensured, the stability in the use process of the device can be improved, and the fixed housing 1 is made of high-strength alloy steel. The external strength of this device can be increased, this device is avoided receiving external force extrusion and is taken place to damage.
As shown in fig. 2-4, in some embodiments, the upper ends of the button rods 14 are fixedly connected with button blocks 23, the surfaces of the button blocks 23 are provided with anti-slip lines, friction force between hands of operators and the button blocks 23 can be increased, the operators can rotate the button rods 14 through the button blocks 23, the use force of the operators during rotation of the button rods 14 is reduced, the operators are convenient to connect the device with an external device, the clamping blocks 24 are fixedly connected to one side in front of the input shaft 5 and one side in front of the output shaft 9, the operators can conveniently align and plug the input shaft 5, the output shaft 9 and the external device, the supporting seats 25 are fixedly connected to the left side and the right side of the bottom surface of the fixed shell 1, the mounting hole plates 26 are fixedly connected to the front side and the rear side of the bottom surface of the left supporting seat 25 together, the operators can conveniently fixedly mount the device through bolts, and the stability of the device in the use process is improved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides a planetary gear reducer of low return difference, includes fixed shell (1), its characterized in that, the equal fixedly connected with ring gear (2) in left and right sides of fixed shell (1) inner wall, two the equal meshing of inner wall of ring gear (2) is connected with a plurality of planetary gear (3), and corresponding a plurality of the one side of planetary gear (3) is connected with sun gear (4) in the mutual meshing, two the equal fixedly connected with input shaft (5) of inner wall of sun gear (4), control two corresponding the equal fixedly connected with connecting rod (6) of inner wall of planetary gear (3), a plurality of the equal fixedly connected with link (7) of one side of connecting rod (6), a plurality of on the right side the equal fixedly connected with planet carrier (8) of the equal fixedly connected with output shaft (9) of left side of planetary gear (3) inner wall, fixed chamber (10) have all been seted up to one side of the inside of output shaft (9) and input shaft (5), two the equal fixed mechanism of cladding that is provided with the equal variable scope of inner wall of fixed chamber (10).
2. The planetary gear reducer with low return difference according to claim 1, wherein the fixing mechanism comprises a worm (11), the left and right ends of the rod wall of the worm (11) are respectively connected with the left and right sides of the inner wall of the fixing cavity (10) in a rotating mode, one side of the rod wall of the worm (11) is fixedly connected with a driven gear (12), the top surface of the driven gear (12) is meshed and connected with a driving gear (13), the inner wall of the driving gear (13) is fixedly connected with a button rod (14), the lower side of the rod wall of the driven gear (12) is rotationally connected with a first limiting orifice plate (15), one side of the front side of the rod wall of the worm (11) is meshed and connected with two worm gears (16), the inner walls of the two worm gears (16) are respectively connected with a two-way screw rod (17), the upper side and lower side of the rod wall of the two-way screw rod (17) are respectively connected with a second limiting orifice plate (18), the upper side and lower side of the inner wall of the fixing cavity (10) are respectively provided with two fixing orifices (19), the inner walls of the two fixing orifices (19) are respectively provided with two limiting grooves (21) respectively, and the two limiting grooves (21) are respectively provided on the left side and the inner wall of the two fixing orifices (19) are respectively provided with two limiting grooves (21).
3. A planetary gear reducer with low return difference according to claim 2, wherein the left end of the input shaft (5) extends through the left side of the inner wall of the fixed housing (1) to the left side thereof, the inner wall of the connecting frame (7) is fixedly connected with the right side of the shaft wall of the input shaft (5), the right sides of the connecting rods (6) are fixedly connected with the left side of the planetary frame (8), the upper ends of the two button rods (14) extend through the upper side of the inner wall of the fixed cavity (10) to the top surface of the input shaft (5) or the top surface of the output shaft (9), the top surfaces of the two first limiting orifice plates (15) are fixedly connected with the upper side of the inner wall of the fixed cavity (10), one side of the second limiting orifice plates (18) is fixedly connected with one side of the inner wall of the fixed cavity (10), the inner walls of the fixed blocks (20) are in threaded connection with the rod walls of the corresponding bidirectional screw rods (17), and the opposite sides of the two corresponding limiting blocks (22) are respectively fixedly connected with the two sides of the left side and the right side of the corresponding fixed blocks (20).
4. A planetary gear reducer with low backlash according to claim 1, characterized in that the stationary housing (1) is of high strength alloy steel.
5. The planetary gear reducer with low return difference according to claim 2, wherein the upper ends of the plurality of knob bars (14) are fixedly connected with knob blocks (23), and the surfaces of the plurality of knob blocks (23) are provided with anti-slip lines.
6. The planetary gear reducer with low return difference according to claim 1, wherein a clamping block (24) is fixedly connected to one side in front of the input shaft (5) and one side in front of the output shaft (9).
7. The planetary gear reducer with low return difference according to claim 1, wherein the left side and the right side of the bottom surface of the fixed shell (1) are fixedly connected with supporting seats (25), and the front side and the rear side of the bottom surface of the left supporting seat and the right supporting seat (25) are fixedly connected with mounting hole plates (26) together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322916959.7U CN220869977U (en) | 2023-10-30 | 2023-10-30 | Planetary gear reducer with low return difference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322916959.7U CN220869977U (en) | 2023-10-30 | 2023-10-30 | Planetary gear reducer with low return difference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220869977U true CN220869977U (en) | 2024-04-30 |
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ID=90813813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322916959.7U Active CN220869977U (en) | 2023-10-30 | 2023-10-30 | Planetary gear reducer with low return difference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220869977U (en) |
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2023
- 2023-10-30 CN CN202322916959.7U patent/CN220869977U/en active Active
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