CN206506409U - A kind of DC planetary toothed gearing electric motor - Google Patents
A kind of DC planetary toothed gearing electric motor Download PDFInfo
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- CN206506409U CN206506409U CN201720045820.1U CN201720045820U CN206506409U CN 206506409 U CN206506409 U CN 206506409U CN 201720045820 U CN201720045820 U CN 201720045820U CN 206506409 U CN206506409 U CN 206506409U
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- planet carrier
- branch road
- planetary
- oil cavity
- annular oil
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Abstract
The utility model discloses a kind of DC planetary toothed gearing electric motor, it is related to technical field of motors, solves prior art motor and decelerator is made when being structure as a whole, the problem of lubrication can not be realized.The utility model DC planetary toothed gearing electric motor, including motor and decelerator, decelerator includes casing and planetary gears, planetary gears includes planet carrier, planetary gear is distributed with planet carrier, casing is provided with ring gear, sun gear is additionally provided with casing, lubricant passage way is provided with planet carrier, lubricant passage way includes the annular oil cavity of the first end close to planet carrier, annular oil cavity is connected with the first lubrication branch road, the first end of first lubrication branch road is connected with the side of pivot center of the annular oil cavity away from planet carrier, second end of the first lubrication branch road extends to the outer edge of planet carrier, first lubrication branch road is connected with jet, the flank of tooth of the jet towards gear ring.The utility model DC planetary toothed gearing electric motor is used to provide power source.
Description
Technical field
The utility model is related to technical field of motors, more particularly to a kind of DC planetary toothed gearing electric motor.
Background technology
With the development of modern science and technology, the development of motor is also increasingly faster, the main function of motor is to produce driving torque,
It is used as electrical appliance or various mechanical power sources.
The motor type of prior art is a lot, and some motor and decelerator are split productions, then further according to needing to carry out
Assembling, also has and motor and decelerator directly is made into what is be structure as a whole, still, motor and decelerator is made and are structure as a whole
When, the lubrication problem of decelerator is relatively difficult to resolve certainly, so as to influence the service life of decelerator.
Utility model content
The utility model provides a kind of DC planetary toothed gearing electric motor, can effectively solve DC planetary toothed gearing electric motor
Lubrication problem, improve integrated motor service life.
To reach above-mentioned purpose, the utility model is adopted the following technical scheme that：
A kind of DC planetary toothed gearing electric motor, including motor and decelerator, the decelerator include casing and setting
Planetary gears in the casing, the planetary gears includes planet carrier, and the planet carrier leads to the casing
Clutch shaft bearing connection is crossed, the first end of the planet carrier, which is connected with output shaft, the planet carrier, is distributed with planetary gear, described
Casing is provided with ring gear, the casing and is additionally provided with sun gear, and the sun gear is engaged with the planetary gear, the sun
Wheel and the motor connection, are provided with lubricant passage way in the planet carrier, and the lubricant passage way includes the close to the planet carrier
The annular oil cavity of one end, the section of the annular oil cavity is trapezium structure, and the trapezium structure bottom close to the planet
The pivot center of frame is set, and the annular oil cavity is connected with the first lubrication branch road, the first end of the first lubrication branch road and institute
State pivot center of the annular oil cavity away from the planet carrier side connection, first lubrication branch road the second end radially extend to
The outer edge of the planet carrier, the second end of the first lubrication branch road is connected with jet, and the jet is towards the tooth
The flank of tooth of circle.
Further, the inwall at the second end of the first lubrication branch road is globoidal structure.
Further, the planetary gear is connected by planetary gear shaft with the planet carrier, the planetary gear and institute
State and second bearing is provided between planetary gear shaft, the annular oil cavity is connected with the second lubrication branch road, the second lubrication branch road
First end connected with the annular oil cavity, the second end of the second lubrication branch road is through the planet carrier and towards described the
Two bearings, the angle of the second lubrication branch road and the pivot center of the planet carrier is 45 °~60 °.
Further, the annular oil cavity is connected with the 3rd lubrication branch road, the first end of the 3rd lubrication branch road and institute
Annular oil cavity connection is stated, the second end of the 3rd lubrication branch road is through the planet carrier and towards the sun gear and the row
The engaging piece of star gear, the angle of the 3rd lubrication branch road and the pivot center of the planet carrier is 45 °~60 °.
Further, the annular oil cavity is connected with filling passage, and the filling passage runs through the outer end of the planet carrier
Face, and the external port of the filling passage is removably connected with end cap.
The utility model has the following advantages that and effect compared with prior art：
The utility model DC planetary toothed gearing electric motor, due to being provided with lubricant passage way, the lubrication in the planet carrier
Oil circuit includes the annular oil cavity of the first end close to the planet carrier, and the section of the annular oil cavity is trapezium structure, and described
The bottom of trapezium structure is set close to the pivot center of the planet carrier, and the annular oil cavity is connected with the first lubrication branch road, institute
The first end for stating the first lubrication branch road is connected with the side of pivot center of the annular oil cavity away from the planet carrier, the first profit
Second end of sliding branch road is radially extended to the outer edge of the planet carrier, and the second end of the first lubrication branch road is connected with spray
Hydraulic fluid port, the flank of tooth of the jet towards the gear ring.Therefore, lubricating oil can be added in annular oil cavity, when planet carrier rotation
When, because the first lubrication branch road is radially extending along planet carrier, therefore centrifugal force when can be rotated by planet carrier will lubricate
Oil gets rid of the flank of tooth to gear ring, to be lubricated to gear ring, and because the section of the annular oil cavity is trapezium structure, it is and described
The bottom of trapezium structure is set close to the pivot center of the planet carrier, therefore, when planet carrier rotates, the oil in annular oil cavity
The centrifugal force being subject to is bigger, and the power radially got rid of is also bigger, therefore Extraction rate is faster, and oil pump capacity is more, lubricant effect
More preferably.So as to effectively solve the lubrication problem of DC planetary toothed gearing electric motor, the service life of integrated motor is improved.
Brief description of the drawings
In order to illustrate more clearly of the technical solution of the utility model, used required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present utility model, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of the utility model DC planetary toothed gearing electric motor.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical solution of the utility model is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole embodiments.
Based on the embodiment in the utility model, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of the utility model protection.
Fig. 1 is a kind of structural representation of DC planetary toothed gearing electric motor of the utility model；Reference picture 1, a kind of direct current
Planet-gear speed reducing motor, including motor 1 and decelerator, the decelerator include casing 2 and are arranged in the casing 2
The mechanism of planetary gear 5, the mechanism of planetary gear 5 includes planet carrier 3, and the planet carrier 3 passes through clutch shaft bearing with the casing 2
31 connections, the first end of the planet carrier 3, which is connected with output shaft 4, the planet carrier 3, is distributed with planetary gear 5, the casing
2 are provided with ring gear 6, are additionally provided with sun gear 7 in the casing 2, the sun gear 7 is engaged with the planetary gear 5, it is described too
Sun wheel 7 is connected with the motor 1, and lubricant passage way 32 is provided with the planet carrier 3, and the lubricant passage way 32 is included close to the row
The annular oil cavity 321 of the first end of carrier 3, the section of the annular oil cavity 321 is under trapezium structure, and the trapezium structure
Bottom is set close to the pivot center of the planet carrier 3, and the annular oil cavity 321 is connected with the first lubrication branch road 322, described first
The first end of lubrication branch road 322 is connected with the side of pivot center of the annular oil cavity 321 away from the planet carrier 3, and first
Second end of lubrication branch road 322 is radially extended to the outer edge of the planet carrier 3, the second of the first lubrication branch road 322
End is connected with jet 323, the flank of tooth of the jet 323 towards the gear ring.
The reducing motor 1 of the utility model DC planetary gear 5, it is described due to being provided with lubricant passage way 32 in the planet carrier 3
Lubricant passage way 32 includes the annular oil cavity 321 of the first end close to the planet carrier 3, and the section of the annular oil cavity 321 is ladder
Shape structure, and the pivot center setting of the close planet carrier 3 in bottom of the trapezium structure, the annular oil cavity 321 are connected
There is the first lubrication branch road 322, the first end and the annular oil cavity 321 of the first lubrication branch road 322 are away from the planet carrier 3
Pivot center side connection, first lubrication branch road 322 the second end radially extend to the outer edge of the planet carrier 3,
Second end of the first lubrication branch road 322 is connected with jet 323, the flank of tooth of the jet 323 towards the gear ring.Cause
This, can add lubricating oil in annular oil cavity 321, when planet carrier 3 rotates, because the first lubrication branch road 322 is along planet carrier 3
Radially extend, therefore centrifugal force when can be rotated by planet carrier 3 gets rid of lubricating oil the flank of tooth to gear ring, to be carried out to gear ring
Lubrication, and due to the annular oil cavity 321 section be trapezium structure, and the trapezium structure bottom close to the planet
The pivot center of frame 3 is set, and therefore, when planet carrier 3 rotates, the centrifugal force that the oil in annular oil cavity 321 is subject to is bigger, along footpath
It is also bigger to the power outwards got rid of, therefore Extraction rate is faster, oil pump capacity is more, and lubricant effect is more preferable.It is straight so as to effectively solve
The lubrication problem of planet-gear speed reducing motor is flowed, the service life of integrated motor is improved.
Further, the inwall 3221 at the second end of the first lubrication branch road 322 is preferably arranged to globoidal structure.Thus
The flow resistance of lubricating oil can be reduced, reduce the pressure loss so that oil pump capacity is bigger.
Reference picture 1, the planetary gear 5 is connected by the axle of planetary gear 5 with the planet carrier 3, the planetary gear 5 with
Second bearing 51 is provided between the axle of planetary gear 5, in order to be lubricated to second bearing, it is preferable that the annular oil cavity
321 are connected with the second lubrication branch road 324, and the first end of the second lubrication branch road 324 is connected with the annular oil cavity 321, institute
The second end of the second lubrication branch road 324 is stated through the planet carrier 3 and branch road is lubricated towards the second bearing 51, described second
324 and the angle of the pivot center of the planet carrier 3 are 45 °~60 °.Due to the described second lubrication branch road 324 and the planet
The angle of the pivot center of frame 3 is 45 °~60 °, therefore, when planet carrier 3 rotates, centrifugation when can be rotated by planet carrier 3
Power gets rid of lubricating oil the bearing bore to second bearing 51, to lubricate second bearing 51.
In order to be lubricated to sun gear 7, it is preferable that the annular oil cavity 321 is connected with the 3rd lubrication branch road 325, institute
The first end for stating the 3rd lubrication branch road 325 is connected with the annular oil cavity 321, and the second end of the 3rd lubrication branch road 325 is passed through
Wear the planet carrier 3 and lubricate branch road 325 and institute towards the sun gear 7 and the engaging piece of the planetary gear 5, the described 3rd
The angle for stating the pivot center of planet carrier 3 is 45 °~60 °.Therefore, when planet carrier 3 rotates, when can be rotated by planet carrier 3
Centrifugal force lubricating oil is got rid of to sun gear 7, to be lubricated to sun gear 7.
Further, the annular oil cavity 321 is connected with filling passage 33, and the filling passage 33 runs through the planet carrier
3 outer face, and the external port of the filling passage 33 is removably connected with end cap 34.Thus, when adding lubricating oil, it will can hold
Lid 34, which is opened, to refuel, easy to operate.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model is disclosed
Or replace, it should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with the power
The protection domain that profit is required is defined.
Claims (5)
1. a kind of DC planetary toothed gearing electric motor, it is characterised in that including motor and decelerator, the decelerator includes casing
And the planetary gears in the casing is arranged at, the planetary gears includes planet carrier, the planet carrier and institute
State casing to connect by clutch shaft bearing, the first end of the planet carrier, which is connected with output shaft, the planet carrier, is distributed with planet
Gear, the casing is provided with ring gear, the casing and is additionally provided with sun gear, and the sun gear is nibbled with the planetary gear
Close, the sun gear and the motor connection, be provided with lubricant passage way in the planet carrier, the lubricant passage way is included close to described
The annular oil cavity of the first end of planet carrier, the section of the annular oil cavity is trapezium structure, and the bottom of the trapezium structure is leaned on
The pivot center of the nearly planet carrier is set, and the annular oil cavity is connected with the first lubrication branch road, the first lubrication branch road
First end is connected with the side of pivot center of the annular oil cavity away from the planet carrier, the second end edge of the first lubrication branch road
The outer edge of the planet carrier is extended radially to, the second end of the first lubrication branch road is connected with jet, the jet
Towards the flank of tooth of the gear ring.
2. DC planetary toothed gearing electric motor according to claim 1, it is characterised in that the of the first lubrication branch road
The inwall at two ends is globoidal structure.
3. DC planetary toothed gearing electric motor according to claim 1, it is characterised in that the planetary gear passes through planet
Gear shaft is connected with the planet carrier, and second bearing, the annular are provided between the planetary gear and the planetary gear shaft
Oil pocket is connected with the second lubrication branch road, and the first end of the second lubrication branch road is connected with the annular oil cavity, second profit
Second end of sliding branch road through the planet carrier and lubricates branch road and the planet carrier towards the second bearing, described second
The angle of pivot center is 45 °~60 °.
4. DC planetary toothed gearing electric motor according to claim 1, it is characterised in that the annular oil cavity is connected with
Three lubrication branch roads, the first end of the 3rd lubrication branch road is connected with the annular oil cavity, and the second of the 3rd lubrication branch road
End through the planet carrier and towards the sun gear and the planetary engaging piece, the described 3rd lubricate branch road with it is described
The angle of the pivot center of planet carrier is 45 °~60 °.
5. DC planetary toothed gearing electric motor according to claim 1, it is characterised in that the annular oil cavity, which is connected with, to be added
Oily passage, the filling passage runs through the outer face of the planet carrier, and the external port of the filling passage is removably connected with
End cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720045820.1U CN206506409U (en) | 2017-01-16 | 2017-01-16 | A kind of DC planetary toothed gearing electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720045820.1U CN206506409U (en) | 2017-01-16 | 2017-01-16 | A kind of DC planetary toothed gearing electric motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206506409U true CN206506409U (en) | 2017-09-19 |
Family
ID=59838641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720045820.1U Active CN206506409U (en) | 2017-01-16 | 2017-01-16 | A kind of DC planetary toothed gearing electric motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206506409U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017366A (en) * | 2017-12-06 | 2019-07-16 | 舍弗勒技术股份两合公司 | With pinion frame, planetary gear, planetary gear pin and lubricating utensil planetary gear transmission mechanism |
| CN111561559A (en) * | 2019-02-14 | 2020-08-21 | 赛峰传动***公司 | Lubrication of a planet carrier of a mechanical reducer, in particular for an aircraft turbine engine |
-
2017
- 2017-01-16 CN CN201720045820.1U patent/CN206506409U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017366A (en) * | 2017-12-06 | 2019-07-16 | 舍弗勒技术股份两合公司 | With pinion frame, planetary gear, planetary gear pin and lubricating utensil planetary gear transmission mechanism |
| CN111561559A (en) * | 2019-02-14 | 2020-08-21 | 赛峰传动***公司 | Lubrication of a planet carrier of a mechanical reducer, in particular for an aircraft turbine engine |
| CN111561559B (en) * | 2019-02-14 | 2023-11-28 | 赛峰传动***公司 | Lubrication of a planet carrier, in particular for a mechanical retarder of an aircraft turbine engine |
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