CN216134376U - Flexible gear motor of gear box - Google Patents
Flexible gear motor of gear box Download PDFInfo
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- CN216134376U CN216134376U CN202122580262.8U CN202122580262U CN216134376U CN 216134376 U CN216134376 U CN 216134376U CN 202122580262 U CN202122580262 U CN 202122580262U CN 216134376 U CN216134376 U CN 216134376U
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- gear
- rubber wheel
- flexible rubber
- flexible
- outer side
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Abstract
The utility model provides a gear box flexible speed reducing motor, which relates to the technical field of speed reducers and comprises a shell, an input shaft, a flexible rubber wheel and a gear set, wherein the top of the input shaft is spliced with the axis of the shell, the outer side of the top of the input shaft is movably installed with the axis of the gear set, the inner side of the top of the shell is in meshed connection with the outer side of the gear set, the outer side of the top of the shell is movably connected with the bottom of the flexible rubber wheel, the inner side of the top of the flexible rubber wheel is provided with a tooth surface a, and the inner side of the tooth surface a is in meshed connection with the outer side of the top of the gear set. According to the utility model, the top gears at the tops of the three outer gears are all extruded with the inner side of the flexible rubber wheel, so that the flexible rubber wheel rotates at the top of the shell, the friction contact area between the outer gears and the flexible rubber wheel is smaller, and the damage of the flexible rubber wheel caused by friction is reduced, thereby prolonging the service life of the flexible rubber wheel and reducing the risk of breakage of the flexible rubber wheel.
Description
Technical Field
The utility model relates to the technical field of speed reducers, in particular to a flexible speed reducing motor of a gear box.
Background
The flexible speed reducing motor has the features of smooth transmission, no impact, no noise and high motion precision, and is one gear transmission with flexible gear to produce controllable elastic deformation and meshing with rigid gear to transmit motion and power.
In the prior art, for example, Chinese patent numbers are: CN205877115U discloses a harmonic reducer with an improved structure, which comprises a crossed roller bearing and an elliptical wave generator, wherein the elliptical wave generator is provided with a flexible bearing, the flexible bearing is provided with an annular flexible gear, and a rigid gear is arranged outside the flexible gear; the flexible bearing is a cylindrical roller flexible bearing. The double-rigid-wheel harmonic speed reducer has a reasonable structure, can greatly improve the output torque of the double-rigid-wheel harmonic speed reducer, greatly improve the load capacity and the shock resistance of the harmonic speed reducer, and reduce the processing cost of a flexible bearing and the assembly difficulty of the harmonic speed reducer.
However, in the prior art, the flexible gear in the flexible speed reducer is deformed periodically, so that alternating stress is generated, fatigue is easy to generate, and the flexible speed reducer is damaged and broken after being in long-term friction contact with the transmission gear arranged on the inner side, so that the speed reduction function is failed, the service life is shortened, and the normal and stable operation of the speed reducer is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that in the prior art, a flexible gear in a flexible speed reducer can periodically deform, so that alternating stress can be generated, fatigue is easy to generate, and the flexible gear is damaged and broken after being in long-term friction contact with a transmission gear arranged on the inner side, so that the speed reduction function is invalid, the service life is shortened, and the normal and stable operation of the speed reducer is not facilitated.
In order to achieve the purpose, the utility model adopts the following technical scheme: flexible gear motor of gear box, including casing, input shaft, flexible rubber wheel and gear train, peg graft in the top of input shaft and the axle center department of casing, and the top outside of input shaft and the axle center department movable mounting of gear train, the top inboard of casing is connected with the outside meshing of gear train, and the top outside of casing and the bottom swing joint of flexible rubber wheel, flank of tooth a has been seted up to the top inboard of flexible rubber wheel, and the inboard of flank of tooth a is connected with the top outside meshing of gear train, the gear train includes the internal gear, the axle center department of internal gear and the top joint of input shaft, and the even meshing in the outside of internal gear is connected with three external gear, three the top of external gear is the equal fixedly connected with crown gear, and the tooth meshing of crown gear and flank of tooth a is connected, and is three bearing a has all been cup jointed to the bottom of external gear, and the outer side of the bearing a is sleeved with a bottom ring, the bottom of the bottom ring is uniformly and fixedly provided with three clamping blocks, and the bottoms of the three clamping blocks are movably provided with balls.
Preferably, the top of the casing is provided with a groove, an axis of the groove is provided with an insertion hole in a penetrating manner, the outer side of the top of the groove is fixedly connected with a ring piece, and the inner side of the ring piece is provided with a tooth surface b.
Preferably, the inner side of the insertion hole is movably mounted with the outer side of the input shaft, and the teeth of the tooth surface b are in meshed connection with the teeth of the outer gear.
Preferably, a plurality of extrusion grooves are uniformly formed in the outer side of the flexible rubber wheel, and a plurality of extrusion blocks are uniformly and fixedly connected to the outer side of the bottom of the flexible rubber wheel.
Preferably, the top outside of casing has seted up the spout, and the even movable mounting in inside of spout has a plurality of sliding beads, the outside of extrusion piece and the outside swing joint of sliding bead.
Preferably, a plurality of mounting holes are uniformly formed in the outer side of the machine shell in a penetrating mode, and the bottoms of the balls and the lower surface of the groove are mounted in a sliding mode.
Preferably, the inner side of the flexible rubber wheel is movably mounted with the outer side of the ring member, and the bottom of the inner side of the flexible rubber wheel is connected with the top of the ring member in a sliding manner.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. according to the utility model, through the gear set, the bottom ring movably mounted at the bottom of the three external gears rotates in the groove when the three external gears rotate, the bottom ring limits the relative positions of the three external gears, and the problem that the external gears shift to the outside due to shaking when rotating in the groove, and generate large extrusion force on the flexible rubber wheel at the outside to damage the flexible rubber wheel is solved.
2. According to the utility model, through the gear set and the flexible rubber wheel, the top gears at the tops of the three outer gears are all extruded with the inner side of the flexible rubber wheel, so that the flexible rubber wheel rotates at the top of the casing, the friction contact area between the outer gears and the flexible rubber wheel is smaller, the damage of the flexible rubber wheel caused by friction is reduced, the service life of the flexible rubber wheel is prolonged, and the risk of breakage of the flexible rubber wheel is reduced.
Drawings
FIG. 1 is a schematic perspective view of a flexible speed reduction motor of a gearbox according to the present invention;
FIG. 2 is a schematic structural diagram of the top of a flexible speed reduction motor of the gearbox according to the present invention;
FIG. 3 is a schematic view of the internal structure of the flexible speed reduction motor of the gear box according to the present invention;
FIG. 4 is a schematic structural diagram of a housing of a flexible speed reduction motor of the gearbox according to the present invention;
FIG. 5 is a schematic structural view of the top of the gear set of the flexible reduction motor of the gearbox according to the present invention;
FIG. 6 is a schematic structural diagram of the bottom of the gear set of the flexible reduction motor of the gearbox according to the present invention.
Illustration of the drawings: 1. a housing; 2. an input shaft; 3. a flexible rubber wheel; 4. a gear set; 31. a tooth surface a; 44. an internal gear; 40. an outer gear; 41. a top gear; 401. a bearing a; 402. a bottom ring; 403. a clamping block; 404. a ball bearing; 16. a groove; 15. a jack; 13. a ring member; 14. a tooth surface b; 30. extruding a groove; 32. extruding the block; 10. a chute; 11. a sliding bead; 12. and (7) installing holes.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
The specific arrangement and function of the gear train 4 and the flexible rubber wheel 3 will be described in detail below.
As shown in fig. 1-6, the top of the input shaft 2 is inserted into the axis of the housing 1, the outside of the top of the input shaft 2 is movably mounted to the axis of the gear set 4, the inside of the top of the housing 1 is engaged with the outside of the gear set 4, the outside of the top of the housing 1 is movably connected to the bottom of the flexible rubber wheel 3, the inside of the top of the flexible rubber wheel 3 is provided with a tooth surface a31, the inside of the tooth surface a31 is engaged with the outside of the top of the gear set 4, the gear set 4 includes an internal gear 44, the axis of the internal gear 44 is engaged with the top of the input shaft 2, the outside of the internal gear 44 is uniformly engaged with three external gears 40, the tops of the three external gears 40 are fixedly connected with a top gear 41, the teeth of the top gear 41 are engaged with the teeth of the tooth surface a31, the bottoms of the three external gears 40 are respectively sleeved with a bearing a401, and the outside of the bearing a401 is sleeved with a bottom ring 402, the bottom of the bottom ring 402 is uniformly and fixedly provided with three clamping blocks 403, the bottoms of the three clamping blocks 403 are respectively and movably provided with a ball 404, the top of the casing 1 is provided with a groove 16, and the axis of the groove 16 is provided with a jack 15 in a penetrating manner.
The whole gear set 4 achieves the effect that when the speed reducer is used, the input shaft 2 is connected with an external power source, when the input shaft 2 rotates along with the external power source, the internal gear 44 at the top of the input shaft 2 rotates along with the external power source, and drives the three external gears 40 which are meshed with each other and connected with each other at the outer sides of the input shaft to rotate and rotate around teeth at the outer sides of the three external gears 40, when the three external gears 40 rotate, the bottom ring 402 movably mounted at the bottom of the three external gears rotates in the groove 16, the balls 404 at the bottom of the bottom ring 402 play a role of reducing friction, the bottom ring 402 limits the relative positions of the three external gears 40, avoids the external gears 40 from shifting outwards due to shaking when rotating in the groove 16, generates large extrusion force on the flexible rubber wheel 3 at the outer side, so that the flexible rubber wheel 3 is damaged, the top gears 41 at the tops of the three external gears 40 are all extruded with the inner side of the flexible rubber wheel 3, the flexible rubber wheel 3 is enabled to rotate at the top of the machine shell 1, the friction contact area of the outer gear 40 and the flexible rubber wheel 3 is small, the damage of the flexible rubber wheel 3 caused by friction is reduced, the service life of the flexible rubber wheel 3 is prolonged, and the risk of breakage of the flexible rubber wheel 3 is reduced.
As shown in fig. 1-4, a groove 16 is formed in the top of the casing 1, an insertion hole 15 is formed through the axis of the groove 16, a ring 13 is fixedly connected to the outer side of the top of the groove 16, a tooth surface b14 is formed on the inner side of the ring 13, the inner side of the insertion hole 15 is movably mounted on the outer side of the input shaft 2, teeth on the tooth surface b14 are engaged with teeth of the external gear 40, a plurality of extrusion grooves 30 are uniformly formed in the outer side of the flexible rubber wheel 3, a plurality of extrusion blocks 32 are uniformly and fixedly connected to the outer side of the bottom of the flexible rubber wheel 3, a sliding groove 10 is formed in the outer side of the top of the casing 1, a plurality of sliding beads 11 are uniformly and movably mounted in the sliding groove 10, the outer side of the extrusion blocks 32 is movably connected to the outer side of the sliding beads 11, a plurality of mounting holes 12 are uniformly formed in the outer side of the casing 1, the bottom of the rolling beads 404 is slidably mounted on the lower surface of the groove 16, the inner side of the flexible rubber wheel 3 is movably mounted on the outer side of the ring 13, and the bottom of the inner side of the flexible rubber wheel 3 is connected with the top of the ring piece 13 in a sliding way.
The whole flexible rubber wheel 3 has the effects that the inner gear 44 and the three outer gears 40 are arranged in the groove 16 of the machine shell 1 to play a role of limiting installation, the problem that the inner gear 44 and the three outer gears 40 shake or laterally deflect to generate large stress to damage the flexible rubber wheel 3 is avoided, when the three outer gears 40 rotate along with the inner gear 44, the teeth of the outer gear 40 and the tooth surface b14 on the inner side of the groove 16 are always in meshed connection, the top gear 41 on the top of the outer gear 40 is in contact with the inner side of the flexible rubber wheel 3, the problem that the gear set 4 is dislocated and deviated in the motion process is avoided, when the flexible rubber wheel 3 is extruded by the top gear 41 from the inner side, the extrusion groove 30 of the flexible rubber wheel 3 is extruded and shrunk, after the flexible rubber wheel 3 is elastically deformed, the extrusion block 32 on the outer side of the bottom continuously extrudes the sliding ball 11 in the sliding groove 10, so that the flexible rubber wheel 3 generates a peristaltic rotation on the top of the casing 1.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (7)
1. Flexible gear motor of gear box, including casing, input shaft, flexible rubber wheel and gear train, its characterized in that: the top of input shaft and the axle center department of casing peg graft, and the top outside of input shaft and the axle center department movable mounting of gear train, the top inboard of casing is connected with the outside meshing of gear train, and the top outside of casing and the bottom swing joint of flexible rubber wheel, the top inboard of flexible rubber wheel has seted up flank of tooth a, and the inboard of flank of tooth a is connected with the top outside meshing of gear train, the gear train includes the internal gear, the axle center department of internal gear and the top joint of input shaft, and the even meshing in the outside of internal gear is connected with three external gear, three the top of external gear all fixedly connected with crown gear, and the tooth of crown gear is connected with the tooth meshing of flank of tooth a, and three bearing a has all been cup jointed to the bottom of external gear, and the outside of bearing a has cup jointed the bottom ring, the even fixed mounting in bottom of bottom ring has three fixture block, and the bottoms of the three clamping blocks are respectively and movably provided with a ball.
2. The gearbox flexible reduction motor of claim 1, wherein: the top of the shell is provided with a groove, the axis of the groove is provided with an insertion hole in a penetrating mode, the outer side of the top of the groove is fixedly connected with a ring piece, and the inner side of the ring piece is provided with a tooth surface b.
3. The gearbox flexible reduction motor of claim 2, wherein: the inner side of the jack is movably mounted with the outer side of the input shaft, and the teeth of the tooth surface b are meshed and connected with the teeth of the outer gear.
4. The gearbox flexible reduction motor of claim 1, wherein: a plurality of extrusion grooves are evenly formed in the outer side of the flexible rubber wheel, and a plurality of extrusion blocks are evenly and fixedly connected to the outer side of the bottom of the flexible rubber wheel.
5. The gearbox flexible reduction motor of claim 4, wherein: the top outside of casing has seted up the spout, and the even movable mounting in inside of spout has a plurality of slip pearls, the outside of extrusion piece and the outside swing joint of slip pearl.
6. The gearbox flexible reduction motor of claim 2, wherein: a plurality of mounting holes are uniformly formed in the outer side of the machine shell in a penetrating mode, and the bottoms of the balls and the lower surface of the groove are installed in a sliding mode.
7. The gearbox flexible reduction motor of claim 2, wherein: the inner side of the flexible rubber wheel is movably arranged with the outer side of the ring piece, and the bottom of the inner side of the flexible rubber wheel is connected with the top of the ring piece in a sliding way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122580262.8U CN216134376U (en) | 2021-10-26 | 2021-10-26 | Flexible gear motor of gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122580262.8U CN216134376U (en) | 2021-10-26 | 2021-10-26 | Flexible gear motor of gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216134376U true CN216134376U (en) | 2022-03-25 |
Family
ID=80773443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122580262.8U Active CN216134376U (en) | 2021-10-26 | 2021-10-26 | Flexible gear motor of gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216134376U (en) |
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2021
- 2021-10-26 CN CN202122580262.8U patent/CN216134376U/en active Active
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