CN209557483U - Deceleration transmission bearing - Google Patents
Deceleration transmission bearing Download PDFInfo
- Publication number
- CN209557483U CN209557483U CN201822064958.3U CN201822064958U CN209557483U CN 209557483 U CN209557483 U CN 209557483U CN 201822064958 U CN201822064958 U CN 201822064958U CN 209557483 U CN209557483 U CN 209557483U
- Authority
- CN
- China
- Prior art keywords
- held
- shaft
- ring
- deceleration transmission
- rigid outer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 36
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 210000000515 tooth Anatomy 0.000 description 36
- 238000010276 construction Methods 0.000 description 7
- 239000002131 composite material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001875 compounds Chemical group 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Abstract
The utility model discloses a kind of deceleration transmission bearing, is held it includes a flexible inner shaft and a rigid outer shaft is held；The outer ring surface for the outer ring that the flexible inner shaft is held forms a circle external tooth, and axially extending ring possessed by one end of the outer ring held in the flexible inner shaft is provided with several elastic groovings and a radial flange, the inner ring which holds then provides embedding group of harmonic wave cam of power input；The inner ring surface for the inner ring that the rigid outer shaft is held forms a circle internal tooth, the outer tooth engagement actuation that internal tooth and flexible inner shaft are held；Whereby, the outer ring for holding the rigid outer shaft is for power output linking of slowing down, and when flexible inner shaft is held under the rotation that power is passed to harmonic wave cam, flexible inner shaft is made to hold to hold with rigid outer shaft and generate deceleration transmission effect to each other.
Description
Technical field
The utility model is a kind of related drive bearing, refers in particular to a kind of deceleration transmission bearing.
Background technique
It is convex using a rigid outer tooth ring, a flexible internal gear and a harmonic wave that tradition, which subtracts humorous retarder (harmonic speed reducer) mostly,
Wheel is formed, and the inner ring surface of rigid outer tooth ring is equipped with internal tooth, and the outer ring surface of flexible internal gear is equipped with external tooth, flexible internal gear is set
It is placed in rigid outer tooth ring, and harmonic wave cam is set in flexible internal gear, makes harmonic wave cam abutment flexibility internal gear, is caused soft
A part of external tooth of property internal gear is engaged in the internal tooth of rigid outer tooth ring.When it is installed and used, motor output power shaft is connected to
Harmonic wave cam drives flexible internal gear to rotate in rigid outer tooth ring, makes flexible internal gear by the rotational action of harmonic wave cam
It is converted to the power output of the slow-speed of revolution, can will so subtract field of the humorous retarder applied to high load, slow-speed of revolution demand, such as machine
Each axle portion joint of tool arm.
But such motor and the power transmission mode for subtracting humorous retarder and being concatenated with axle portion, it is bound to cause whole axial direction
Length is too long, causes motor to need biggish size with the installation space for subtracting humorous retarder, is unfavorable for mechanism planning.For this purpose, having
No. 201626696 revolving actuator scheme proposed of china taiwan invention patent publication number, it is desirable to the harmonic wave of hollow type
Geared system accommodates motor, to achieve the purpose that reduce revolving actuator axial dimension.But the program is revealed humorous
Wave geared system tooth passes the facewidth of occlusion, and limited flexibility subtracts humorous sliding tooth structure composition factor, can not have preferable power to transmit,
The torque output of revolving actuator is caused also not show preferably, load capacity is more insufficient.
This creator is adhering to excelsior research and development spirit, expects harmonic reduction bearing in the condition of reduction axial dimension
Under, can also export in torque has splendid performance, keeps the application of harmonic reduction bearing entirety more extensive, is for this reality
With the novel technology actively to disclose.
Utility model content
The purpose of this utility model is to provide a kind of deceleration transmission bearings, by deceleration transmission bearing with easy to be compound
Bearing engagement composition, reaches the inside and outside at a fully engaged transmitting power of dental transition, can direct driving force transmission and overall construction more simplify
Purpose.
In order to achieve the above object, the deceleration transmission bearing of the utility model, comprising: be rotationally axially linked in each other
A flexible inner shaft together is held and a rigid outer shaft is held, which holds and the rigid outer shaft is held all in an outer ring, one
Ring, and several rollers for being arranged between the inner and outer rings that the flexible inner shaft is held be arranged in inner and outer rings that the rigid outer shaft is held it
Between several rollers；The outer ring surface for the outer ring that the flexible inner shaft is held has a circle external tooth, the one end for the outer ring which holds
With an axially extending ring, radially extended a radial flange from the axially extending ring end, this is axially extending be equipped with it is several
Grooving, respectively formation connects the flexible inner shaft and holds the flexible deformation portion with the radial flange between the grooving；What the rigid outer shaft was held
The inner ring surface of inner ring has a circle internal tooth, which is meshed with the external tooth that the flexible inner shaft is held；And the flexible inner shaft is held
An embedding group of harmonic wave cam in inner ring, the harmonic wave cam rotation cause the flexible inner shaft hold with rigid outer shaft hold to each other generate deceleration
Transmission effect.
In above-mentioned deceleration transmission bearing, the number of teeth for the external tooth which holds is less than the tooth for the internal tooth that the rigid outer shaft is held
Number.
In above-mentioned deceleration transmission bearing, which is the bar shaped grooving extended along the circumferencial direction of the axially extending ring,
The both ends of the bar shaped grooving are respectively formed a hole.
In above-mentioned deceleration transmission bearing, the outer ring and the radial flange which holds, which are respectively equipped with, can wear fixation
The perforation of component.
In above-mentioned deceleration transmission bearing, the roller which holds is ball.
In above-mentioned deceleration transmission bearing, the roller which holds is roller, the respectively roller which holds
The perpendicular angle cross arrangement configuration in axle center.
The deceleration transmission bearing of the utility model, holds by the flexible inner shaft of deceleration transmission bearing and rigid outer shaft is held directly
The drive state for forming the engagement of tooth difference makes deceleration transmission bearing have the structure of easy composite bearing engagement composition, to reach
The inside and outside at a fully engaged transmitting power of dental transition, being capable of direct driving force transmission and overall construction the effect of more simplifying.
Detailed description of the invention
The feature and advantage of the utility model is described in detail in cooperation attached drawing below:
Fig. 1 is the composite construction stereoscopic schematic diagram of the utility model deceleration transmission bearing.
Fig. 2 is that the decomposition of the utility model deceleration transmission bearing constructs stereoscopic schematic diagram.
Fig. 3 is that another decomposition of the utility model deceleration transmission bearing constructs stereoscopic schematic diagram.
Fig. 4 is the composite construction diagrammatic cross-section of the utility model deceleration transmission bearing.
Fig. 5 is the composite construction front-view schematic diagram of the utility model deceleration transmission bearing.
Symbol description in attached drawing:
10 flexible inner shafts are held；11 outer rings；12 inner ring；13 rollers；14 external tooths；15 axially extending rings；16 radial return algorithms
It is blue；161 perforation；17 groovings；171 bar shaped groovings；172 holes；18 flexible deformation portions；20 rigid outer shafts are held；21 outer rings；
211 perforation；22 inner ring；23 rollers；24 internal tooths.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but illustrated embodiment is not as right
The restriction of the utility model.
Refering to fig. 1, shown in Fig. 2 and Fig. 3, the deceleration transmission bearing of the utility model is a kind of with deceleration transmission and carrying
The deceleration transmission bearing of the bearing function of power input shaft or power output shaft, preferable specific embodiment specifically include that one
Flexible inner shaft hold 10 and one rigid outer shaft hold 20, the flexible inner shaft hold 10 and the rigid outer shaft hold 20 all have an outer ring 11,21,
One inner ring 12,22, and be arranged in the flexible inner shaft hold 10 outer ring 11, several rollers 13 between inner ring 12 and setting this just
Property outer bearing 20 inner ring 22, outer ring 21 between several rollers 23, the diameter which has held 10 outer ring 11 has been less than this just
Property outer bearing 20 inner ring 22 diameter, so that the flexible inner shaft is held 10 and hold 20 rotationally axially fittings each other with the rigid outer shaft
Together.
Refering to shown in Fig. 2 to Fig. 4, which holds 10 outer ring 11 and inner ring 12 is made of flexible material, this is soft
The outer ring surface of the outer ring 11 of property inner bearing 10 is especially implemented with a circle external tooth 14, and one end which holds 10 is implemented with an axis
To extended loop 15, a radial flange 16 has been radially extended from axially extending 15 end of ring；The axially extending ring 15 is equipped with several
Grooving 17, one of 17 preferred embodiment of grooving are the bar shaped grooving extended along the circumferencial direction of the axially extending ring 15
171, and the both ends of bar shaped grooving 171 are respectively formed a hole 172, make to be formed between the respectively grooving 17 in the connection flexibility whereby
The outer ring 11 of bearing 10 and the flexible deformation portion 18 of the radial flange 16.
Refering to shown in Fig. 2 to Fig. 4, which holds 20 outer ring 21 and inner ring 22 is made of rigid material, the rigidity
The diameter of the inner ring surface of the inner ring 22 of outer bearing 20 is greater than the diameter that the flexible inner shaft holds the outer ring surface of 10 outer rings 11, makes the rigidity
20 axial direction of outer bearing is sleeved on the flexible inner shaft and holds 10 outer ring surfaces, and the inner ring surface which holds 20 is implemented with a circle and corresponds to this
The internal tooth 24 of external tooth 14 makes whereby by the way that the driving for the harmonic wave cam (non-icon) that the flexible inner shaft is held among 10 is arranged in
The flexible inner shaft holds 10 external tooth 14 and the internal tooth 24 that the rigid outer shaft holds 20 is meshed (as shown in Figure 5), and the flexible inner shaft
The number of teeth for holding 10 external tooth 14 is less than the number of teeth that the rigid outer shaft holds 20 internal tooth 24, and then has the function that deceleration transmission.
Referring again to shown in Fig. 2 to Fig. 4, the outer ring 21 which holds 20 holds 10 radial flange 16 with the flexible inner shaft
The perforation 211,161 that can wear fixation kit (screw etc.) is respectively equipped with the combination that is fixed to each other.The flexible inner shaft holds 10
Roller 13 is spherical ball, also is embodied as roller or needle roller arranged in parallel.The roller 23 that the rigid outer shaft holds 20 is preferable
Be embodied as roller, and the rigid outer shaft holds the 20 perpendicular angle cross arrangement configuration in respectively roller 23 (roller) axle center, makes
The rigid outer shaft is held 20 outer ring 21 and inner ring 22 and will not be axially disengaging.
It is as power input module that the flexible inner shaft in the utility model, which holds 10, which holds 20 as deceleration
Power output component afterwards.Refering to making shown in Fig. 4 and Fig. 5, power input shaft drive harmonic wave cam is (not shown) to be turned when it is used
It is dynamic, 10 grooving 17 and the construction in flexible deformation portion 18 are held by the flexible inner shaft, the flexible inner shaft can be allowed to hold 10 and be easier to
Strutted by harmonic wave cam, so make the flexible inner shaft hold 10 external tooth 14 and internal tooth 24 that the rigid outer shaft holds 20 it is at a fully engaged.
And the flexible inner shaft in the utility model hold 10 external tooth 14 the number of teeth be less than the rigid outer shaft hold 20 internal tooth 24 the number of teeth,
Therefore the rigid outer shaft can be made to hold 20 deceleration output powers, reaches high when direct drive effect of slowing down.Furthermore this is practical
Novel overall construction is more simplified, and the convenience for manufacturing and assembling is relatively beneficial to.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model
Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model
It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.
Claims (6)
1. a kind of deceleration transmission bearing characterized by comprising the rotationally axially flexible inner shaft of fitting together each other
It holds and a rigid outer shaft is held, which, which holds, and the rigid outer shaft is held all has an outer ring, an inner ring, and is arranged in the flexibility
Several rollers between the inner and outer rings of inner bearing and the several rollers being arranged between the inner and outer rings that the rigid outer shaft is held；This is soft
Property inner bearing the outer ring surface of outer ring there is a circle external tooth, one end of the outer ring which holds has an axially extending ring,
A radial flange is radially extended from the axially extending ring end, this is axially extending to be equipped with several groovings, respectively between the grooving
Formation connects the flexible inner shaft and holds the flexible deformation portion with the radial flange；The inner ring surface for the inner ring that the rigid outer shaft is held has one
Internal tooth is enclosed, which is meshed with the external tooth that the flexible inner shaft is held；And an embedding group of harmonic wave is convex in the inner ring held of the flexible inner shaft
Wheel, harmonic wave cam rotation cause the flexible inner shaft to hold to hold with rigid outer shaft and generate deceleration transmission to each other.
2. deceleration transmission bearing as described in claim 1, which is characterized in that the number of teeth for the external tooth that wherein flexible inner shaft is held is small
In the number of teeth for the internal tooth that the rigid outer shaft is held.
3. deceleration transmission bearing as described in claim 1, which is characterized in that wherein the grooving is along the axially extending ring
The bar shaped grooving that circumferencial direction extends, the both ends of the bar shaped grooving are respectively formed a hole.
4. deceleration transmission bearing as described in claim 1, which is characterized in that the outer ring and the radial direction that wherein the rigid outer shaft is held
Flange is respectively equipped with the perforation that can wear fixation kit.
5. deceleration transmission bearing as described in claim 1, which is characterized in that the roller that wherein flexible inner shaft is held is ball.
6. deceleration transmission bearing as described in claim 1, which is characterized in that the roller that wherein rigid outer shaft is held is roller,
The perpendicular angle cross arrangement configuration in the axle center for the respectively roller that the rigid outer shaft is held.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822064958.3U CN209557483U (en) | 2018-12-10 | 2018-12-10 | Deceleration transmission bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822064958.3U CN209557483U (en) | 2018-12-10 | 2018-12-10 | Deceleration transmission bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209557483U true CN209557483U (en) | 2019-10-29 |
Family
ID=68301586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822064958.3U Expired - Fee Related CN209557483U (en) | 2018-12-10 | 2018-12-10 | Deceleration transmission bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209557483U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288077A (en) * | 2018-12-10 | 2020-06-16 | 镁亚精密股份有限公司 | Speed reduction transmission bearing |
-
2018
- 2018-12-10 CN CN201822064958.3U patent/CN209557483U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288077A (en) * | 2018-12-10 | 2020-06-16 | 镁亚精密股份有限公司 | Speed reduction transmission bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191029 |