CN212203026U - Cup-shaped harmonic reducer device for joint module - Google Patents
Cup-shaped harmonic reducer device for joint module Download PDFInfo
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- CN212203026U CN212203026U CN202020917413.7U CN202020917413U CN212203026U CN 212203026 U CN212203026 U CN 212203026U CN 202020917413 U CN202020917413 U CN 202020917413U CN 212203026 U CN212203026 U CN 212203026U
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Abstract
The utility model provides a cup harmonic speed reducer device for joint module, its flexbile gear is the cup structure, has reduced whole volume and weight, and has prolonged the life-span of whole reduction gear for speed reducer job stabilization, work precision are high. The flexible cup-shaped gear comprises an outer ring surface and a cup bottom surface, wherein the part of the outer ring surface with an outer gear is arranged to be tightly attached to the outer ring surface of a roller of the wave generator, a central through hole is formed in the center of the cup bottom surface, the outer end surface of the cup bottom surface, far away from the wave generator, is fixedly connected with the corresponding end surface of an inner ring of a roller bearing, a sleeve of the wave generator is respectively provided with a first positioning bearing and a second positioning bearing corresponding to the inner end and the outer end of the roller, the outer ring of the first positioning bearing is sleeved with a first end cover, and the annular rigid gear is arranged in an annular cavity between the inner end surface of the first end cover and the outer ring of the roller bearing.
Description
Technical Field
The utility model relates to a technical field of harmonic speed reducer ware specifically is a cup harmonic speed reducer ware device for joint module.
Background
The harmonic reducer has the advantages of high bearing capacity, large transmission ratio, small volume, stable transmission and high transmission precision, and is widely applied to the industries of electronics, aerospace, robots and the like. The steel wheel whole part external diameter size of current hat type harmonic speed reducer ware is big, it is great to occupy holistic space for whole harmonic speed reducer ware's size is great, and weight is heavier, is unfavorable for the miniaturized demand of joint module.
Disclosure of Invention
To the above problem, the utility model provides a cup harmonic speed reducer device for joint module, its flexbile gear is the cup structure, has reduced whole volume and weight, and has prolonged the life-span of whole reduction gear for speed reducer job stabilization, work precision are high.
The utility model provides a cup harmonic speed reducer ware device for joint module which characterized in that: the cup-shaped flexible gear comprises an outer ring surface and a cup bottom surface, wherein the part of the outer ring surface with an external gear is arranged to be tightly attached to the outer ring surface of a roller of the wave generator, a central through hole is formed in the center of the cup bottom surface, the outer end surface of the cup bottom surface, far away from the wave generator, is fixedly connected with the corresponding end surface of an inner ring of a roller bearing, a sleeve of the wave generator is respectively provided with a first positioning bearing and a second positioning bearing corresponding to the inner end and the outer end of the roller, the outer ring of the first positioning bearing is sleeved with a first end cover, the annular rigid gear is arranged in an annular cavity between the inner end surface of the first end cover and the outer ring of the roller bearing, an internal gear of the annular rigid gear is arranged in a meshing manner and connected with the external gear, and a plurality of axial screws of the annular cloth penetrate through the first end cover, the annular, the outer end face of the inner ring of the roller bearing is covered with a second end cover, the second end cover is fixedly connected with the outer end face of the inner ring of the roller bearing through an annular cloth axial screw, the second end cover further comprises a front convex output shaft, the inner ring of the roller bearing is sleeved on the output shaft, and the output shaft penetrates through the central through hole and the sleeve.
It is further characterized in that:
an inner cavity is formed between the cup-shaped flexible gear and the second positioning bearing, a gasket is arranged in the inner cavity and comprises an axial ring part and a radial connecting part, the axial ring part is fixedly sleeved on an outer ring of the second positioning bearing, the radial connecting part is arranged close to the inner end face of the cup bottom surface, a fastening bolt penetrates through the radial connecting part and the cup bottom surface and then is fixedly arranged at a corresponding position of an inner ring of the roller bearing, and the positioning of the second positioning bearing is ensured to be stable and reliable;
the front end of the output shaft protrudes out of the sleeve, the sleeve is a power input part, the output shaft is a power output part, and the output shaft and the sleeve are coaxially arranged, so that the whole structure is small in size;
and the outer ring surface of the first end cover is provided with a side convex connecting flange which is used for fixedly connecting the whole structure.
Adopt the utility model discloses a behind the structure, the flexbile gear design is cup flexbile gear, and the cup underrun bolt rigid coupling roller bearing's of flexbile gear inner circle drives the second end cover rigid coupling of output shaft in roller bearing's inner circle setting, and arranges the annular chamber between the interior terminal surface of first end cover and roller bearing outer lane with cyclic annular rigid wheel for whole structure is small, and whole structure has reduced whole volume and weight, and has prolonged the life-span of whole reduction gear, makes speed reducer job stabilization, work precision high.
Drawings
FIG. 1 is a schematic sectional view of the structure of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the structure comprises a wave generator 1, a roller 11, a sleeve 12, a cup-shaped flexible gear 2, an outer ring surface 21, a cup bottom surface 22, an outer gear 23, a center through hole 24, an inner cavity 25, an annular rigid gear 3, an inner gear 31, a roller bearing 4, an inner ring 41, an outer ring 42, a first positioning bearing 5, a second positioning bearing 6, a first end cover 7, a side convex connecting flange 71, a second end cover 8, an output shaft 81, a gasket 9, an axial ring part 91, a radial connecting part 92 and a fastening bolt 10.
Detailed Description
A cup-shaped harmonic reducer device for a joint module, see fig. 1: the cup-shaped flexible gear comprises a wave generator 1, a cup-shaped flexible gear 2 and an annular rigid gear 3, wherein the cup-shaped flexible gear 2 comprises an outer ring surface 21 and a cup bottom surface 22, the part, with an outer gear 23, of the outer ring surface 21 is arranged to be tightly attached to the outer ring surface of a roller 11 of the wave generator 1, a central through hole 24 is formed in the center of the cup bottom surface 22, the outer end surface, far away from the wave generator, of the cup bottom surface 22 is fixedly connected to the corresponding end surface of an inner ring 41 of a roller bearing 4, a sleeve 12 of the wave generator 1 is respectively provided with a first positioning bearing 5 and a second positioning bearing 6 corresponding to the inner end and the outer end of the roller 11 in a sleeved mode, a first end cover 7 is sleeved on the outer ring of the first positioning bearing 5, the annular rigid gear 3 is arranged in an annular cavity between the inner end surface of the first end cover 7 and the outer ring 42 of the roller bearing 4, the outer ring 42 of the roller bearing 4 is fixedly connected, the outer end face of the inner ring 41 of the roller bearing 4 is covered with a second end cover 8, the second end cover 8 is fixedly connected to the outer end face of the inner ring 41 of the roller bearing 4 through annularly distributed axial screws, the second end cover 8 further comprises a forward-protruding output shaft 81, the inner ring 41 of the roller bearing 4 is sleeved on the output shaft 81, and the output shaft 81 penetrates through the central through hole 24 and the sleeve 12.
An inner cavity 25 is formed between the cup-shaped flexible gear 2 and the second positioning bearing 6, a gasket 9 is arranged in the inner cavity 25, the gasket 9 comprises an axial ring part 91 and a radial connecting part 92, the axial ring part 91 is fixedly sleeved on the outer ring of the second positioning bearing 6, the radial connecting part 92 is arranged by clinging to the inner end surface of the cup bottom surface 22, and a fastening bolt 10 penetrates through the radial connecting part 92 and the cup bottom surface 22 and then is fixedly arranged at the corresponding position of the inner ring 41 of the roller bearing 4, so that the positioning of the second positioning bearing 6 is ensured to be stable and reliable;
the front end of the output shaft 81 protrudes out of the sleeve 12, the sleeve 12 is a power input part, the output shaft 81 is a power output part, and the output shaft 81 and the sleeve 12 are coaxially arranged, so that the whole structure is small in size;
the outer circumferential surface of the first end cap 7 is provided with a side convex connection flange 71, and the side convex connection flange 71 is used for fixing the whole structure.
The working principle is as follows: the flexbile gear is designed into a cup-shaped flexbile gear, the cup bottom surface of the flexbile gear is fixedly connected with the inner ring of the roller bearing through a bolt, the second end cover of the output shaft is driven to be fixedly connected with the inner ring of the roller bearing, and the rigid gear is arranged in the annular cavity between the inner end surface of the first end cover and the outer ring of the roller bearing, so that the whole structure is small in size, the whole structure reduces the whole volume and weight, the service life of the whole speed reducer is prolonged, and the speed reducer is stable in operation and high in working precision.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides a cup harmonic speed reducer ware device for joint module which characterized in that: the cup-shaped flexible gear comprises an outer ring surface and a cup bottom surface, wherein the part of the outer ring surface with an external gear is arranged to be tightly attached to the outer ring surface of a roller of the wave generator, a central through hole is formed in the center of the cup bottom surface, the outer end surface of the cup bottom surface, far away from the wave generator, is fixedly connected with the corresponding end surface of an inner ring of a roller bearing, a sleeve of the wave generator is respectively provided with a first positioning bearing and a second positioning bearing corresponding to the inner end and the outer end of the roller, the outer ring of the first positioning bearing is sleeved with a first end cover, the annular rigid gear is arranged in an annular cavity between the inner end surface of the first end cover and the outer ring of the roller bearing, an internal gear of the annular rigid gear is arranged in a meshing manner and connected with the external gear, and a plurality of axial screws of the annular cloth penetrate through the first end cover, the annular, the outer end face of the inner ring of the roller bearing is covered with a second end cover, the second end cover is fixedly connected with the outer end face of the inner ring of the roller bearing through an annular cloth axial screw, the second end cover further comprises a front convex output shaft, the inner ring of the roller bearing is sleeved on the output shaft, and the output shaft penetrates through the central through hole and the sleeve.
2. The cup-shaped harmonic reducer apparatus for a joint module according to claim 1, wherein: an inner cavity is formed between the cup-shaped flexible gear and the second positioning bearing, a gasket is arranged in the inner cavity and comprises an axial ring portion and a radial connecting portion, the axial ring portion is fixedly sleeved on an outer ring of the second positioning bearing, the radial connecting portion is tightly attached to the inner end face of the cup bottom face and is arranged, and a fastening bolt penetrates through the radial connecting portion and the cup bottom face and then is fixedly arranged at a corresponding position of an inner ring of the roller bearing.
3. The cup-shaped harmonic reducer apparatus for a joint module according to claim 1, wherein: the front end of the output shaft protrudes out of the sleeve, the sleeve is a power input part, the output shaft is a power output part, and the output shaft and the sleeve are coaxially arranged.
4. The cup-shaped harmonic reducer apparatus for a joint module according to claim 1, wherein: and the outer ring surface of the first end cover is provided with a side convex connecting flange which is used for fixedly connecting the whole structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020917413.7U CN212203026U (en) | 2020-05-27 | 2020-05-27 | Cup-shaped harmonic reducer device for joint module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020917413.7U CN212203026U (en) | 2020-05-27 | 2020-05-27 | Cup-shaped harmonic reducer device for joint module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212203026U true CN212203026U (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020917413.7U Active CN212203026U (en) | 2020-05-27 | 2020-05-27 | Cup-shaped harmonic reducer device for joint module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212203026U (en) |
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2020
- 2020-05-27 CN CN202020917413.7U patent/CN212203026U/en active Active
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