CN106609835A - Gear case and driving device using gear case - Google Patents
Gear case and driving device using gear case Download PDFInfo
- Publication number
- CN106609835A CN106609835A CN201510698200.3A CN201510698200A CN106609835A CN 106609835 A CN106609835 A CN 106609835A CN 201510698200 A CN201510698200 A CN 201510698200A CN 106609835 A CN106609835 A CN 106609835A
- Authority
- CN
- China
- Prior art keywords
- gear
- train
- box
- pivoted frame
- elastic ring
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
Abstract
The invention relates to a gear case and a driving device using the gear case. The gear case comprises at least one stage of gear transmission mechanism, each gear transmission mechanism comprises two elements capable of moving relatively, and an elastic ring used for buffering axial vibration so as to overcome subjective noise is arranged between the two elements capable of moving relatively. The gear case can be a planetary gear, and each stage of planetary gear system comprises a sun gear, an inner gear ring, a plurality of planet wheels and a rotary support. The multiple planet wheels are installed on the rotary support, and the rotary support rotates on its axis along with revolution of the multiple planet wheels. The elastic ring is installed on one side of the rotary support and used for buffering axial pressure. According to the gear case and the driving device, the elastic ring is arranged to limit vibration of the rotary support, and therefore certain subjective noise is reduced or eliminated.
Description
【Technical field】
The present invention relates to driving means, more particularly, to the gear-box that the driving means are used.
【Background technology】
Epicyclic gearbox has larger bearing capacity and is widely used.However, using helical teeth too
During sun wheel, in the occasion that bearing capacity is larger, inside epicyclic gearbox, there will be larger axial force, this kind of axle
Pivoted frame Oscillation Amplitude will be caused larger to power, so as to produce some unwelcome subjective noises.
Therefore, need a kind of improvement project badly.
【The content of the invention】
It is an object of the invention to reduce some subjective noises of gear-box.
For this purpose, first aspect present invention provides a kind of gear-box, it is including at least primary planet pinion system, described
Epicyclic train includes：Sun gear, ring gear, some planetary gears, pivoted frame.After the sun gear is driven
Can rotation, the ring gear is fixed to gear box casing, some planetary gears simultaneously with sun gear, internal tooth
Circle engagement is simultaneously revolved round the sun around sun gear, and the pivoted frame is installed to some planetary gears and with some rows
Star-wheel revolves round the sun and rotation.The gear-box also includes elastic ring, and the elastic ring is installed to the one of the pivoted frame
Side, for buffering axial compressive force.
Used as a kind of improvement project, the pivoted frame is provided with annular groove for installing the elastic ring.
Used as a kind of improvement project, the gear-box includes first planet gear train and the second epicyclic train,
First planet gear train is helical gear, and the elastic ring is installed to the pivoted frame of first planet gear train.
Used as a kind of improvement project, the elastic ring is located at the pivoted frame and first planet tooth of first planet gear train
Between the planetary gear of train.
Used as a kind of improvement project, the gear-box includes first planet gear train and the second epicyclic train,
First planet gear train is helical gear, and the elastic ring is installed to the pivoted frame of the second epicyclic train.
Used as a kind of improvement project, the elastic ring is positioned at the pivoted frame of the second epicyclic train away from the second row
The side of the planetary gear of star gear train.
Used as a kind of improvement project, the gear-box includes first planet gear train and the second epicyclic train,
First planet gear train is helical gear；The gear-box includes the first elastic ring and the second elastic ring, described
One elastic ring is installed to the pivoted frame of first planet gear train, and second elastic ring is installed to the second planetary gear
The pivoted frame of system.
Used as a kind of improvement project, first elastic ring is located at the pivoted frame and the first row of first planet gear train
Between the planetary gear of star gear train, second elastic ring be located at the pivoted frame of the second epicyclic train away from the
The side of the planetary gear of two epicyclic trains.
As a kind of improvement project, the outfan of the gear-box include end cap, the bearing for being installed to end cap and
Output, by the bearings so as to rotate around bearing centre, the output receives institute to the output
The pivoted frame for stating the second epicyclic train drives, and the elastic ring is located at the bearing and second planetary gear
Between the pivoted frame of system or between the pivoted frame of the end cap and second epicyclic train.
Used as a kind of improvement project, the inner of the bearing is provided with outwardly directed flange, for preventing bearing
Depart from end cap along the direction away from epicyclic train.
Used as a kind of improvement project, the center of the pivoted frame of second epicyclic train is provided with non-circular driving
The drive hole is inserted in hole, described output one end.
Used as a kind of improvement project, the output is the flange for being provided with centre bore, the hole wall of the centre bore
It is provided with tooth.
Second aspect present invention provides a kind of driving means, including motor and first aspect present invention are provided
Gear-box, the input of the gear-box are installed to the outfan of the motor, for entering to the output of motor
Row slows down.
The present invention passes through to arrange elastic ring to limit the vibration of pivoted frame, so as to reduce or eliminate some subjective noises.
Below in conjunction with drawings and Examples, the invention will be further described.
【Description of the drawings】
The schematic diagram of the driving means that Fig. 1 figures one embodiment of the invention is provided；
Fig. 2 is the sectional view of driving means shown in Fig. 1；
Fig. 3 is the schematic diagram after driving means shown in Fig. 1 unload gear box casing；
Fig. 4 is the schematic diagram after driving means described in Fig. 1 unload gear box casing, bearing.
【Specific embodiment】
With reference to Fig. 1, the driving means 20 that one embodiment of the invention is provided include motor 30 and gear-box 40,
The outfan of motor 30 is connected to the input of gear-box 40, and the output of motor 30 is slowed down by gear-box 40
Export again afterwards.
In the present embodiment, motor 30 is installed with 40 coaxial line of gear-box, i.e. the axial direction of motor and gear-box
40 axial direction is identical.But the present invention is not limited to this kind of situation.
The housing of gear-box 40 includes cylindrical portion 42 and is installed to the end cap 44 of 42 1 openings of cylindrical portion.
The output 46 of gear-box 40 is installed to end cap 44.In the present embodiment, output 46 is with centre bore
Flange, the hole wall of centre bore are provided with tooth.Preferably, cylindrical portion 42 has some flanges 43 by motor side, uses
Rotate in cylindrical portion 42 is prevented.
With reference to Fig. 2, the gear-box includes two-stage planet system, every grade of epicyclic train all include sun gear,
Ring gear, some planetary gears and pivoted frame.Specifically, first planet gear train includes sun gear 51, three
Planetary gear 52, ring gear 53, pivoted frame 54, wherein, ring gear 53 is fixed on or is formed at gear box casing
Cylindrical portion 42 inwall, planetary gear 52 engaged with sun gear 51, ring gear 53 simultaneously.Sun gear 51
The output shaft 31 of motor 30 is installed to, and as output shaft 31 is rotated.After sun gear 51 is rotated, planetary gear
52 under sun gear 51, the constraint of ring gear 53, revolution will occur around sun gear 51.Because each row
Star-wheel 52 is all pivotally mounted to pivoted frame 54, therefore, pivoted frame 54 occurs with the revolution of planetary gear 52
Rotation.
Second epicyclic train includes sun gear 61, three planetary gears 62, ring gear 63, pivoted frames 64, its
In, ring gear 63 is fixed on or is formed at the inwall of the cylindrical portion 42 of gear box casing, and planetary gear 62 is simultaneously
Engage with sun gear 61, ring gear 63.The pivoted frame 54 of the installation first planet gear train of sun gear 61, and with
That pivoted frame 54 transfers rotation certainly.After sun gear 61 is rotated, planetary gear 62 is in sun gear 61, ring gear
Under 63 constraint, revolution will occur around sun gear 61.Because each planetary gear 62 is rotatably mounted
To pivoted frame 64, therefore, there is rotation with the revolution of planetary gear 62 in pivoted frame 64.
In the present embodiment, between planetary gear 62 and pivoted frame 54, packing ring 57 is installed.The end cap of gear-box 40
44 are provided with bearing 47 for supporting output 46, output 46 is rotated relative to gear-box.Pivoted frame
64 center is provided with non-circular drive hole, and the drive hole is inserted so as to can be with pivoted frame in 46 one end of output
64 are rotated coaxially.It is to be appreciated that the output 46 can also be made of one with pivoted frame 64.
Referring to figs. 2 to Fig. 4, the nearly motor-end of bearing 47 is provided with outwardly directed flange 48, and flange 48 is supported
Push up the end cap 44 of gear-box, so, along gear-box axial ledge 48 be held on end cap 44 and pivoted frame 64 it
Between, for preventing bearing 47 from departing from end cap 44 along the direction away from epicyclic train.
One elastic ring 66 is installed to the pivoted frame 64 of the second epicyclic train, and turning positioned at the second epicyclic train
The side of the planetary gear 62 away from the second epicyclic train of frame 64.Preferably, elastic ring 66 is clamped in
Between pivoted frame 64 and bearing 47, for buffering axial force to eliminate some subjective noises of gear-box.Enter one
Step ground, wherein primary planet pinion system (such as first planet gear train) is helical gear, further to improve
The bearing capacity of gear-box.Using in the case of helical gear, easily by axial force inside gear-box.Cause
This, using in the case of helical gear, has more preferable noise reduction using elastic ring 66.
Bearing 47 and/or pivoted frame 64 can arrange annular groove, for installing elastic ring 66.
Preferably, another elastic ring 56 is installed to the pivoted frame 54 of first planet gear train, and is located at first planet
Between the pivoted frame 54 and packing ring 57 of gear train, for buffering axial force to reduce the noise of gear-box.Pivoted frame
54 can arrange annular groove, for installing elastic ring 56.
In an alternative embodiment, only elastic ring 66 can be set and is not provided with elastic ring 56.At another
In alternative, can only be provided with elastic ring 56 and be not provided with elastic ring 66.
It is to be appreciated that elastic ring 56 can be arranged on the wherein side of pivoted frame 54, i.e. elastic ring 56 can
Between pivoted frame 54 and planetary gear 52, it is also possible to be arranged between pivoted frame 54 and planetary gear 62.It is similar
Ground, elastic ring 66 can be arranged on the wherein side of pivoted frame 64, i.e. elastic ring 66 may be provided at pivoted frame 64
Between bearing 47 or between pivoted frame 64 and end cap 44, may also be arranged on pivoted frame 64 and planetary gear 62 it
Between.But, scheme as shown in Figure 4 is ideal scheme, i.e. 40 input of epicyclic gearbox
The pivoted frame 64 of pivoted frame 54, outfan is respectively equipped with elastic ring 56, elastic ring 66, and pivoted frame 54,56 is located at
Between elastic ring 56,66.By arranging elastic ring 56 in the wherein one or both sides of pivoted frame 54,64, can
The vibration for effectively limiting pivoted frame is particularly axially vibrated, so as to improve subjective noise.It is to be appreciated that being limited
The radial vibration of pivoted frame processed 54,64, can set elastic ring between pivoted frame outer surface and ring gear inner peripheral surface.
It is to be appreciated that the cross section of above-mentioned elastic ring 56,66 can be variously-shaped for circle, ellipse etc.,
Can be made up of rubber elastomeric material.
This kind of driving means are particularly suited for automotive field as the lifting drive of automobile tail gate.
It should be pointed out that for the person of ordinary skill of the art, without departing from present inventive concept
Under the premise of, some deformations and improvement can also be made, such as the different characteristic in each embodiment is combined
Deng these belong to protection scope of the present invention.
Claims (13)
1. a kind of gear-box, including at least primary planet pinion system, the epicyclic train includes：
Sun gear, can rotation after the sun gear is driven；
Ring gear, the ring gear is around the sun gear；
Some planetary gears, some planetary gears are engaged with sun gear, ring gear and public around sun gear simultaneously
Turn；
Pivoted frame, some planetary gears are installed to the pivoted frame, and the pivoted frame is public with some planetary gears
Then rotation；
Characterized in that, the gear-box also includes an elastic ring, the elastic ring is installed to the pivoted frame
Side is used for the axial vibration for buffering pivoted frame to improve subjective noise.
2. gear-box as claimed in claim 1, it is characterised in that the pivoted frame is provided with annular groove to be used for
The elastic ring is installed.
3. gear-box as claimed in claim 1, it is characterised in that the gear-box includes first planet tooth
Train and the second epicyclic train, first planet gear train is helical gear, and the elastic ring (56) is installed to
The pivoted frame (54) of first planet gear train.
4. gear-box as claimed in claim 3, it is characterised in that the elastic ring (56) is positioned at first
Between the planetary gear (52) of the pivoted frame (54) and first planet gear train of epicyclic train.
5. gear-box as claimed in claim 1, it is characterised in that the gear-box includes first planet tooth
Train and the second epicyclic train, first planet gear train is helical gear, and the elastic ring (66) is installed to
The pivoted frame (64) of the second epicyclic train.
6. gear-box as claimed in claim 5, it is characterised in that the elastic ring (66) is positioned at second
The side of the planetary gear (62) away from the second epicyclic train of the pivoted frame (64) of epicyclic train.
7. gear-box as claimed in claim 1, it is characterised in that the gear-box includes first planet tooth
Train and the second epicyclic train, first planet gear train are helical gear；The gear-box includes that first is elastic
Ring (56) and the second elastic ring (66), first elastic ring (56) are installed to first planet gear train
Pivoted frame (54), second elastic ring (66) are installed to the pivoted frame (64) of the second epicyclic train.
8. gear-box as claimed in claim 7, it is characterised in that first elastic ring (56) is located at
Between the planetary gear (52) of the pivoted frame (54) and first planet gear train of first planet gear train, described
Row away from second epicyclic train of two elastic rings (66) positioned at the pivoted frame (64) of the second epicyclic train
The side of star-wheel (62).
9. gear-box as claimed in claim 5, it is characterised in that the outfan of the gear-box includes end
Lid (44), the bearing (47) and output (46) that are installed to end cap, the output (46) are described
Bearing (47) is supported so as to rotate around bearing centre, and the output (46) is by the second planet tooth
The pivoted frame (64) of train drives, and the elastic ring (66) is positioned at the bearing (47) and second row
Between the pivoted frame (64) of star gear train or it is located at turning for the end cap (44) and second epicyclic train
Between frame (64).
10. gear-box as claimed in claim 9, it is characterised in that the close row of the bearing (47)
One end of star gear train is provided with outwardly directed flange (48) against to end cap, for preventing bearing (47)
Depart from end cap (44) along the direction away from epicyclic train.
11. gear-boxes as claimed in claim 9, it is characterised in that second epicyclic train turn
The center of frame (64) is provided with non-circular drive hole, and the drive hole is inserted in described output (46) one end.
12. gear-boxes as claimed in claim 11, it is characterised in that the output (46) is to be provided with
The flange of centre bore, the hole wall of the centre bore are provided with tooth.
A kind of 13. driving means, it is characterised in that including motor and as in claim 1 to 12 arbitrarily
Gear-box described in one, the input of the gear-box are installed to the outfan of the motor, for electricity
The output of machine is slowed down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510698200.3A CN106609835B (en) | 2015-10-23 | 2015-10-23 | Gear box and driving device using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510698200.3A CN106609835B (en) | 2015-10-23 | 2015-10-23 | Gear box and driving device using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106609835A true CN106609835A (en) | 2017-05-03 |
| CN106609835B CN106609835B (en) | 2020-03-17 |
Family
ID=58613197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510698200.3A Active CN106609835B (en) | 2015-10-23 | 2015-10-23 | Gear box and driving device using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106609835B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152499A (en) * | 2016-03-04 | 2017-09-12 | 德昌电机(深圳)有限公司 | drive device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748431A (en) * | 2012-06-29 | 2012-10-24 | 三一重型装备有限公司 | Speed reducer and heading machine with speed reducer |
| CN103375545A (en) * | 2012-04-17 | 2013-10-30 | 德昌电机(深圳)有限公司 | Driving component, driving component for vehicle power lifting door, and automatic grass mower |
| CN203504350U (en) * | 2013-10-24 | 2014-03-26 | 宁波市海誉机电科技有限公司 | Noiseless tubular motor |
| CN103883721A (en) * | 2013-10-09 | 2014-06-25 | 西安汇鑫传动控制有限责任公司 | Speed reducer of novel transmission structure |
-
2015
- 2015-10-23 CN CN201510698200.3A patent/CN106609835B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375545A (en) * | 2012-04-17 | 2013-10-30 | 德昌电机(深圳)有限公司 | Driving component, driving component for vehicle power lifting door, and automatic grass mower |
| CN102748431A (en) * | 2012-06-29 | 2012-10-24 | 三一重型装备有限公司 | Speed reducer and heading machine with speed reducer |
| CN103883721A (en) * | 2013-10-09 | 2014-06-25 | 西安汇鑫传动控制有限责任公司 | Speed reducer of novel transmission structure |
| CN203504350U (en) * | 2013-10-24 | 2014-03-26 | 宁波市海誉机电科技有限公司 | Noiseless tubular motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152499A (en) * | 2016-03-04 | 2017-09-12 | 德昌电机(深圳)有限公司 | drive device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106609835B (en) | 2020-03-17 |
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