CN205841710U - Split type planetary reduction box seals structure - Google Patents
Split type planetary reduction box seals structure Download PDFInfo
- Publication number
- CN205841710U CN205841710U CN201620749017.1U CN201620749017U CN205841710U CN 205841710 U CN205841710 U CN 205841710U CN 201620749017 U CN201620749017 U CN 201620749017U CN 205841710 U CN205841710 U CN 205841710U
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- motor
- adpting flange
- outfan
- reduction box
- 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.)
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The utility model discloses a kind of split type planetary reduction box and seal structure, it includes motor, motor adpting flange, planetary gearsets, installation adpting flange, outfan sealing ring, pad and the input sealing ring being sequentially connected with, outfan sealing ring is in planetary gearsets and installs position between adpting flange, pad is position between planetary gearsets and motor adpting flange, and input sealing ring is set on the mesopore of motor adpting flange；This utility model smart structural design, rationally, oils and fats is effectively stoped to run off to output shaft direction by outfan sealing ring, oils and fats is effectively stoped to run off to motor drive direction by pad and input sealing ring, it is greatly promoted the sealing effectiveness of planetary gearsets working position, oils and fats is avoided to run off, sufficient lubrication and the persistency of planetary gearsets working position oils and fats are fully ensured that, high lubricating effect, it is greatly prolonged service life, additionally overall structure is simple, it is easily achieved, low cost, beneficially wide popularization and application.
Description
Technical field
This utility model relates to reduction box technical field, is specifically related to a kind of split type planetary reduction box and seals structure.
Background technology
Increasingly extensive along with the increasingly mature of brushless electric machine technology and application, makes carrying at double in service life of motor
High.Thus life requirements to reduction box is more and more higher.Because motor and reduction box are typically to use in pairs.Planetary reduction gear exists
In reduction box due to lightweight, volume is little, gear range is big, efficiency is high, smooth running, moment of torsion are big, the low strong adaptability of noise
Extensively selected by every profession and trade etc. feature.But existing planetary reduction box has following lacking due to the limitation of original structure in working
Fall into: 1, working position oils and fats can be by the teeth groove of output shaft planet carrier and ring gear to the interstitial flow of outfan.2, work portion
Position oils and fats can flow to the spaces such as the screwed hole of motor adpting flange by teeth groove to motor drive direction, by the space of motor gear to horse
Reach and flow at bearing.
Owing to drawbacks described above can cause problems with, first, oils and fats can pollute output shaft bearing to the flowing of output shaft direction,
The most too much oils and fats can flow to outside reduction box, also can pollute miscellaneous part.Second, oils and fats flows to motor shaft end then can pollute horse
Reach, seriously can affect motor performance, even motor failure.3rd, owing to planetary reduction box working position oils and fats is in its life-span
Cycle can only fill an oils and fats, so oil quality and loss whether life-span to planetary reduction box is crucial, oils and fats
Run off, the service life of reduction box will be greatly shortened.
Utility model content
For above-mentioned deficiency, the purpose of this utility model is, it is provided that a kind of smart structural design, rationally, effectively promotes
Sealing effectiveness, it is to avoid oils and fats runs off, the split type planetary reduction box increased the service life seals structure.
For achieving the above object, technical scheme provided by the utility model is: a kind of split type planetary reduction box seals
Structure, it motor including being sequentially connected with, motor adpting flange, planetary gearsets, installation adpting flange, outfan sealing ring,
Pad and input sealing ring, described installation adpting flange is provided with and the planet carrier phase in described planetary gearsets by bearing
The output shaft connected, described outfan sealing ring is in planetary gearsets and installs position between adpting flange, and this outfan
The external diameter of sealing ring is more than the root circle of the internal tooth in planetary gearsets, the endoporus of this outfan sealing ring and described planet carrier
Outer peripheral face matches, and described pad is position between planetary gearsets and motor adpting flange, and by motor adpting flange
Screw mounting hole close, the external diameter of this pad seals snare more than the internal tooth root circle in planetary gearsets, described input
Being arranged on the mesopore of motor adpting flange, the endoporus of this input sealing ring is suitable with the rotating shaft of described motor.
As a kind of improvement of the present utility model, described outfan sealing ring is for using metal material or nonmetal hard
The circle round body that material is made, the endoporus of this outfan sealing ring and described planet carrier outer peripheral face are matched in clearance.
As a kind of improvement of the present utility model, described outfan sealing ring is the circle using soft rubber material to make
Circle body, the endoporus of this outfan sealing ring and described planet carrier outer peripheral face are interference fit.
As a kind of improvement of the present utility model, described input sealing ring is for using metal material or nonmetal hard
The circle round body that material is made, the endoporus of this input sealing ring is matched in clearance with the rotating shaft of described motor.
As a kind of improvement of the present utility model, described input sealing ring is the circle using soft rubber material to make
Circle body, the endoporus of this input sealing ring is interference fit with the rotating shaft of described motor.
As a kind of improvement of the present utility model, described pad is stainless steel gasket.
The beneficial effects of the utility model are: this utility model smart structural design, rationally, are had by outfan sealing ring
Effect stops oils and fats to run off to output shaft direction, effectively stops oils and fats to run off to motor drive direction by pad and input sealing ring,
It is greatly promoted the sealing effectiveness of planetary gearsets working position, it is to avoid oils and fats runs off, and has fully ensured that planetary gearsets work portion
The sufficient lubrication of position oils and fats and persistency, high lubricating effect, be greatly prolonged service life, and additionally overall structure is simple, it is easy to
Realize, low cost, beneficially wide popularization and application.
Below in conjunction with the accompanying drawings with embodiment, this utility model is further illustrated.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model.
Fig. 2 is the perspective view of Fig. 1.
Detailed description of the invention
Seeing Fig. 1 and Fig. 2, the split type planetary reduction box of one that the present embodiment provides seals structure, and it includes connecting successively
Motor 1, motor adpting flange 2, planetary gearsets 3, installation adpting flange 4, outfan sealing ring 5, pad 6 and the input connect
Sealing ring 7, described installation adpting flange 4 is provided with by bearing 8 and is connected with the planet carrier 31 in described planetary gearsets 3
Output shaft 9.
Described outfan sealing ring 5 is in planetary gearsets 3 and installs position between adpting flange 4, and this outfan is close
The external diameter of seal 5 is more than the root circle of the internal tooth 32 in planetary gearsets 3, the endoporus of this outfan sealing ring 5 and described planet
The outer peripheral face of frame 31 matches, and prevents oils and fats from passing through cylindrical and the tooth of internal tooth 32 of planet carrier 31 by outfan sealing ring 5
Gap between groove thus climb over planet carrier 31 to output shaft 9 seepage.
Described pad 6 position between planetary gearsets 3 and motor adpting flange 2, and by motor adpting flange 2
Screw mounting hole is closed, and the external diameter of this pad 6, more than internal tooth 32 root circle in planetary gearsets 3, effectively prevents oils and fats from passing through
Relevant mounting screw holes that internal tooth 32 leaks into motor flange to the gap of motor adpting flange 2 and the mesopore coordinated with motor
In.
Described input sealing ring 7 is set on the mesopore of motor adpting flange 2, the endoporus of this input sealing ring 7
Rotating shaft with described motor 1 is suitable, effectively prevents oils and fats from flowing to the rotating shaft of motor, it is to avoid pollute motor, it is ensured that motor is normal
Run.
Concrete, described outfan sealing ring 5 can be to use metal material, rigid non-metallic material or soft rubber material
The circle round body that material is made, when outfan sealing ring 5 uses metal material or rigid non-metallic material to make, this outfan
The endoporus of sealing ring 5 is matched in clearance with the outer peripheral face of described planet carrier 31, it is to avoid stuck phenomenon, reduces power simultaneously the most as far as possible
Loss.When described outfan sealing ring 5 is for using soft rubber material to make, the endoporus of this outfan sealing ring 5 and institute
The outer peripheral face stating planet carrier 31 is interference fit, and the loss to power is little, with lift-off seal effect.
Concrete, described input sealing ring 7 is for using metal material, rigid non-metallic material or soft rubber material system
The circle round body become, when input sealing ring 7 uses metal material or rigid non-metallic material to make, this input seals
The endoporus of circle 7 is matched in clearance with the rotating shaft of described motor 1, it is to avoid stuck phenomenon, reduces the loss of power the most as far as possible.When
Described input sealing ring 7 is the circle round body using soft rubber material to make, and the endoporus of this input sealing ring 7 is with described
The rotating shaft of motor 1 is interference fit, and the loss to power is little, with lift-off seal effect.
In the present embodiment, described pad 6 is stainless steel gasket, and good sealing effect, service life is long.
During work, oils and fats is effectively stoped to run off to output shaft 9 direction by outfan sealing ring 5, by pad 6 and input
End sealing ring 7 effectively stops oils and fats to run off to motor 1 direction, is greatly promoted the sealing effectiveness of planetary gearsets 3 working position, keeps away
Exempting from oils and fats to run off, fully ensured that sufficient lubrication and the persistency of planetary gearsets 3 working position oils and fats, service life is long.
The announcement of book and teaching according to the above description, this utility model those skilled in the art can also be to above-mentioned reality
The mode of executing changes and revises.Therefore, this utility model is not limited to detailed description of the invention disclosed and described above, right
Modifications and changes more of the present utility model should also be as falling in scope of the claims of the present utility model.Additionally, to the greatest extent
Pipe this specification employs some specific terms, but these terms are merely for convenience of description, not to this utility model
Constitute any restriction, use other same or similar structure, all in this utility model protection domain.
Claims (6)
1. a split type planetary reduction box seals structure, it is characterised in that it includes motor, the motor connection method being sequentially connected with
Orchid, planetary gearsets, installation adpting flange, outfan sealing ring, pad and input sealing ring, on described installation adpting flange
Be provided with the output shaft being connected with the planet carrier in described planetary gearsets by bearing, described outfan sealing ring is positioned at planet
Position between gear train and installation adpting flange, and the external diameter of this outfan sealing ring is more than the tooth of the internal tooth in planetary gearsets
Root circle, the endoporus of this outfan sealing ring matches with the outer peripheral face of described planet carrier, described pad be positioned at planetary gearsets and
Position between motor adpting flange, and the screw mounting hole on motor adpting flange is closed, the external diameter of this pad is more than planet
Internal tooth root circle in gear train, described input sealing ring is set on the mesopore of motor adpting flange, and this input is close
The endoporus of seal is suitable with the rotating shaft of described motor.
Split type planetary reduction box the most according to claim 1 seals structure, it is characterised in that: described outfan sealing ring
For the circle round body using metal material or rigid non-metallic material to make, the endoporus of this outfan sealing ring and described planet
Frame outer peripheral face is matched in clearance.
Split type planetary reduction box the most according to claim 1 seals structure, it is characterised in that: described outfan sealing ring
For the circle round body using soft rubber material to make, the endoporus of this outfan sealing ring and described planet carrier outer peripheral face are interference
Coordinate.
4. seal structure according to the split type planetary reduction box described in any one in claim 1-3, it is characterised in that: described
Input sealing ring is the circle round body using metal material or rigid non-metallic material to make, this input sealing ring interior
Hole is matched in clearance with the rotating shaft of described motor.
5. seal structure according to the split type planetary reduction box described in any one in claim 1-3, it is characterised in that: described
Input sealing ring is the circle round body using soft rubber material to make, the endoporus of this input sealing ring and described motor
Rotating shaft is interference fit.
Split type planetary reduction box the most according to claim 1 seals structure, it is characterised in that: described pad is rustless steel
Pad.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620749017.1U CN205841710U (en) | 2016-07-16 | 2016-07-16 | Split type planetary reduction box seals structure |
| PCT/CN2016/096724 WO2018014415A1 (en) | 2016-07-16 | 2016-08-25 | Split-type planet reduction gearbox seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620749017.1U CN205841710U (en) | 2016-07-16 | 2016-07-16 | Split type planetary reduction box seals structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205841710U true CN205841710U (en) | 2016-12-28 |
Family
ID=57619051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620749017.1U Active CN205841710U (en) | 2016-07-16 | 2016-07-16 | Split type planetary reduction box seals structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN205841710U (en) |
| WO (1) | WO2018014415A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799461A (en) * | 2018-08-08 | 2018-11-13 | 北京因时机器人科技有限公司 | A kind of linear actuator |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3315547A (en) * | 1963-09-26 | 1967-04-25 | Simmering Graz Pauker Ag | Epicyclic gears |
| US6432022B1 (en) * | 1998-05-15 | 2002-08-13 | Alpha Getriebebau Gmbh | Low-play planetary gear mechanism |
| DE19956789A1 (en) * | 1999-11-25 | 2001-05-31 | Zahnradfabrik Friedrichshafen | Planetary gear for mounting on electric motor, has sealing element between sun wheel shaft, and housing arranged axially outside output shaft accommodation region in reduced diameter section |
| CN2886234Y (en) * | 2006-01-18 | 2007-04-04 | 孙宜培 | Planet gear transmission case output shaft sealing device |
-
2016
- 2016-07-16 CN CN201620749017.1U patent/CN205841710U/en active Active
- 2016-08-25 WO PCT/CN2016/096724 patent/WO2018014415A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799461A (en) * | 2018-08-08 | 2018-11-13 | 北京因时机器人科技有限公司 | A kind of linear actuator |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018014415A1 (en) | 2018-01-25 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |