CN108539902A - A kind of motor sealing device of electric vehicle - Google Patents
A kind of motor sealing device of electric vehicle Download PDFInfo
- Publication number
- CN108539902A CN108539902A CN201810289197.3A CN201810289197A CN108539902A CN 108539902 A CN108539902 A CN 108539902A CN 201810289197 A CN201810289197 A CN 201810289197A CN 108539902 A CN108539902 A CN 108539902A
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- China
- Prior art keywords
- sealing ring
- sealing
- motor
- electric vehicle
- bearing
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- 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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/124—Sealing of shafts
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a kind of motor sealing devices of electric vehicle, including：Bearing (ball) cover, bearing (ball) cover have the extraneous endoporus with inside of connection, the positioning step of annular are provided in endoporus；The first sealing ring that can be installed in the endoporus of bearing (ball) cover, the side of the first sealing ring are connected on positioning step, and the first sealing ring is relative to positioning step close to external；The second sealing ring being installed in the endoporus of bearing (ball) cover, relative to the first sealing ring close to outside, the end of motor shaft is located in the first sealing ring and the second sealing ring the second sealing ring；First sealing ring and the second sealing ring surround lubricant reservoir, and lubricant reservoir is for holding lubricating oil, and lubricating oil is in motor shaft and the first sealing ring and the formation sealing oil film between motor shaft and the second sealing ring.In the present invention, the first sealing ring and the second sealing ring constitute first layer sealing, and sealing oil film constitutes second layer sealing.Motor sealing device in the present invention can provide good sealing for motor.
Description
Technical field
The present invention relates to electric vehicle engineering fields, more specifically to a kind of motor sealing device of electric vehicle.
Background technology
Motor is the core component of electric vehicle, and power is provided for the normally travel of vehicle.Motor is as power electrical part
Part, it is internal to be absolutely not allow for the entrance of the impurity such as water, oil, dust.Therefore, the sealing of motor is particularly important.But existing
Have in technology, sealing is typically realized by the end cap of closed type bearing both sides, the sealing performance of this kind sealing is poor, can not
The road conditions that reply vehicle is paddled with rainstorm weather, this severely limits the flexibilities and safety of vehicle traveling.
Therefore, a kind of motor sealing device of electric vehicle how is designed, which can provide for motor
Good sealing makes electric vehicle cope with complicated road conditions, improves the flexibility and safety of electric vehicle, be this field
Technical staff's critical problem urgently to be resolved hurrily.
Invention content
The object of the present invention is to provide a kind of motor sealing device of electric vehicle, which can be motor
Good sealing is provided, to make electric vehicle cope with complicated road conditions, improves the flexibility and safety of electric vehicle.
In order to achieve the above objectives, the present invention provides following technical scheme：
A kind of motor sealing device of electric vehicle, including：
Bearing (ball) cover, the bearing (ball) cover have the extraneous endoporus with inside of connection, annular are provided in the endoporus
Positioning step；
The side of the first sealing ring that can be installed in the endoporus of the bearing (ball) cover, first sealing ring is connected to
On the positioning step, first sealing ring is relative to the positioning step close to external；
The second sealing ring being installed in the endoporus of the bearing (ball) cover, second sealing ring are close relative to described first
Seal ring is located at close to outside, the end of motor shaft in first sealing ring and second sealing ring；
First sealing ring surrounds lubricant reservoir with second sealing ring, and the lubricant reservoir is for holding lubrication
Oil, the lubricating oil is in the motor shaft and first sealing ring and between the motor shaft and second sealing ring
Form sealing oil film.
Preferably, it is provided with heat dissipating ring between first sealing ring and second sealing ring.
Preferably, two end faces of the heat dissipating ring, one with first sealing ring and second sealing ring respectively
End face connects.
Preferably, first sealing ring and second sealing ring are pressed into the endoporus of the bearing (ball) cover.
Preferably, the exhaust passage for being connected to extraneous and the lubricant reservoir is provided on the bearing (ball) cover, it is described
Air bleeding valve is provided in exhaust passage.
Preferably, the air bleeding valve is check valve.
Preferably, the air bleeding valve is detachably connected with the exhaust passage.
Preferably, the air bleeding valve is threadedly coupled with the exhaust passage.
It can be seen from the above technical proposal that the present invention is mounted with the first sealing ring and second in the endoporus of bearing (ball) cover
Sealing ring, the first sealing ring and the second sealing ring surround lubricant reservoir, and lubricating oil is contained in the lubricant reservoir.The end of motor shaft
Portion is located in the first sealing ring and the second sealing ring.When motor shaft rotates, lubricating oil can splash with the rotation of motor shaft,
Sealing oil film can be formed between motor shaft and the first sealing ring and motor shaft and the second sealing ring.In the present invention, first
Sealing ring and the second sealing ring constitute first layer sealing, and the entrance of external impurities, sealing oil film is prevented to constitute second layer sealing,
Further prevent the entrance of external impurities.Motor sealing device in the present invention can provide good sealing for motor, to
So that electric vehicle is coped with complicated road conditions, improves the flexibility and safety of electric vehicle.
Description of the drawings
Scheme in order to illustrate the embodiments of the present invention more clearly, below will be to required described in embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For field technique personnel, without creative efforts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of the motor sealing device for the electric vehicle that a specific embodiment of the invention provides；
Fig. 2 be Fig. 1 in A-A to figure；
Fig. 3 is the enlarged drawing of I in Fig. 1.
Wherein, 1 it is motor shaft, 2 be air bleeding valve, 3 be heat dissipating ring, 4 be the second sealing ring, 5 be lubricating oil, 6 is first close
Seal ring, 7 be bearing (ball) cover, 8 be exhaust passage, 9 be positioning step.
Specific implementation mode
The present invention provides a kind of motor sealing device of electric vehicle, which can provide good for motor
Good sealing improves the flexibility and safety of electric vehicle to make electric vehicle cope with complicated road conditions.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
In the embodiment of the present invention, those of ordinary skill in the art obtained without making creative work it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The motor sealing device of electric vehicle of the present invention includes：Bearing (ball) cover 7, the sealing of the first sealing ring 6 and second
Ring 4.Bearing (ball) cover 7 has for being connected to the extraneous endoporus with inside.The positioning step 9 of annular is provided in the endoporus.First
Sealing ring 6 is installed in the endoporus of bearing (ball) cover 7.One side of the first sealing ring 6 is connected on positioning step 9.Second is close
Seal ring 4 is also mounted in the endoporus of bearing (ball) cover 7.Second sealing ring 4 is relative to the first sealing ring 6 close to external, the first sealing
Ring 6 is relative to positioning step 9 close to external.The end of motor shaft 1 is located in the first sealing ring 6 and the second sealing ring 4.First is close
Lubricant reservoir is formd between seal ring 6 and the second sealing ring 4.The lubricant reservoir is for holding lubricating oil.It is rotated in motor shaft 1
When, lubricating oil 5 can splash with the rotation of motor shaft 1, can be in motor shaft 1 and the first sealing ring 6 and motor shaft 1 and second
Sealing oil film is formed between sealing ring 4.In the present invention, the first sealing ring 6 and the second sealing ring 4 constitute first layer sealing,
Prevent the entrance of external impurities.It seals oil film and constitutes second layer sealing, further prevent the entrance of external impurities.In the present invention
Motor sealing device can provide good sealing for motor, to make electric vehicle cope with complicated road conditions, improve electricity
The flexibility and safety of electrical automobile.
Temperature in order to prevent at lubricant reservoir is excessively high and causes stress excessive, needs to cool down to lubricant reservoir.Cause
This is provided with heat dissipating ring 3 between the first sealing ring 6 and the second sealing ring 4 in one embodiment.The lubricating oil of high temperature
After splashing on heat dissipating ring 3, the heat of lubricating oil 5 can be transmitted to the external world by heat dissipating ring 3, to avoid the temperature at lubricant reservoir
It is excessively high.
The mounting means of first sealing ring 6, the second sealing ring 4 and heat dissipating ring 3 can carry out as follows：It is close by first first
Seal ring 6 is pressed into the endoporus of bearing (ball) cover 7, makes the lateral surface compressing of the first sealing ring 6 on positioning step 9, is inserted into dissipates later
Hot ring 3 makes a side of heat dissipating ring 3 and the side of the first sealing ring 6 fit, is pressed into the second sealing ring 4 later, makes second
The end face of sealing ring 4 and another side of heat dissipating ring 3 fit.3 structure of first sealing ring 6, the second sealing ring 4 and heat dissipating ring
At the lubricant reservoir of a relative closure, the accidental release of lubricating oil 5 is prevented.
In order to exhaust the high pressure inside lubricant reservoir in time, exhaust passage 8, the row can also be set on bearing (ball) cover 7
Gas channel 8 is for being connected to extraneous and lubricant reservoir.Air bleeding valve 2 is provided in exhaust passage 8.Hypertonia at lubricant reservoir
When, it opens air bleeding valve 2 and carries out pressure release.Preferably, it sets air bleeding valve 2 to check valve, only allows outside the gas in lubricant reservoir
It lets out, does not allow ambient atmos to enter in lubricant reservoir.
In a specific embodiment of the invention, air bleeding valve 2 is set as being detachably connected with exhaust passage 8.It is thus desirable to
When filling lubricating oil to lubricant reservoir, air bleeding valve 2 is laid down first, injects lubrication into lubricant reservoir by exhaust passage 8 later
Air bleeding valve 2 is mounted in exhaust passage 8 by oil 5 again later.It is further preferred that setting and exhaust passage 8 air bleeding valve 2 to
It is threadedly coupled, rotating exhaust valve 2, air bleeding valve 2 is unloaded in one direction；Rotating exhaust valve 2 to another way, by air bleeding valve
2 are tightened in exhaust passage 8.
The above description of the disclosed embodiments, enables those skilled in the art to implement or use the present invention.It is right
A variety of modifications of these embodiments will be apparent to those skilled in the art, and as defined herein one
As principle can realize in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention will
It will not be intended to be limited to the embodiments shown herein, and be to fit to consistent with the principles and novel features disclosed herein
Widest range.
Claims (8)
1. a kind of motor sealing device of electric vehicle, which is characterized in that including：
Bearing (ball) cover (7), the bearing (ball) cover (7) have the extraneous endoporus with inside of connection, annular are provided in the endoporus
Positioning step (9)；
The first sealing ring (6) that can be installed in the endoporus of the bearing (ball) cover (7), the side of first sealing ring (6)
It is connected on the positioning step (9), first sealing ring (6) is relative to the positioning step (9) close to external；
The second sealing ring (4) being installed in the endoporus of the bearing (ball) cover (7), second sealing ring (4) is relative to described
For first sealing ring (6) close to outside, the end of motor shaft (1) is located at first sealing ring (6) and second sealing ring (4)
It is interior；
First sealing ring (6) surrounds lubricant reservoir with second sealing ring (4), and the lubricant reservoir is for holding lubrication
Oil, the lubricating oil is in the motor shaft (1) and first sealing ring (6) and in the motor shaft (1) and described second
Sealing oil film is formed between sealing ring (4).
2. the motor sealing device of electric vehicle according to claim 1, which is characterized in that first sealing ring (6)
It is provided with heat dissipating ring (3) between second sealing ring (4).
3. the motor sealing device of electric vehicle according to claim 2, which is characterized in that the two of the heat dissipating ring (3)
A end face connects with an end face of first sealing ring (6) and second sealing ring (4) respectively.
4. the motor sealing device of electric vehicle according to claim 2, which is characterized in that first sealing ring (6)
It is pressed into the endoporus of the bearing (ball) cover (7) with second sealing ring (4).
5. the motor sealing device of electric vehicle according to any one of claims 1-4, which is characterized in that the bearing
It is provided with the exhaust passage (8) for being connected to extraneous and the lubricant reservoir on end cap (7), is arranged in the exhaust passage (8)
There is air bleeding valve (2).
6. the motor sealing device of electric vehicle according to claim 5, which is characterized in that the air bleeding valve (2) is single
To valve.
7. the motor sealing device of electric vehicle according to claim 6, which is characterized in that the air bleeding valve (2) and institute
Exhaust passage (8) is stated to be detachably connected.
8. the motor sealing device of electric vehicle according to claim 7, which is characterized in that the air bleeding valve (2) and institute
State exhaust passage (8) threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810289197.3A CN108539902B (en) | 2018-04-03 | 2018-04-03 | Motor sealing device of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810289197.3A CN108539902B (en) | 2018-04-03 | 2018-04-03 | Motor sealing device of electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108539902A true CN108539902A (en) | 2018-09-14 |
| CN108539902B CN108539902B (en) | 2020-05-08 |
Family
ID=63482445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810289197.3A Active CN108539902B (en) | 2018-04-03 | 2018-04-03 | Motor sealing device of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108539902B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201282388Y (en) * | 2008-09-27 | 2009-07-29 | 三一重型装备有限公司 | Motor sealing device |
| CN204403166U (en) * | 2014-12-31 | 2015-06-17 | 杭州和泰机电工业有限公司 | A kind of head bearings seat |
| CN204610558U (en) * | 2015-01-20 | 2015-09-02 | 浙江上银导轨制造有限公司 | A kind of two flange linear bearing assembly |
| CN105042082A (en) * | 2015-07-07 | 2015-11-11 | 青岛睿辰密封科技有限公司 | Self-sealing full-polytetrafluoroethylene oil seal with monitoring function |
-
2018
- 2018-04-03 CN CN201810289197.3A patent/CN108539902B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201282388Y (en) * | 2008-09-27 | 2009-07-29 | 三一重型装备有限公司 | Motor sealing device |
| CN204403166U (en) * | 2014-12-31 | 2015-06-17 | 杭州和泰机电工业有限公司 | A kind of head bearings seat |
| CN204610558U (en) * | 2015-01-20 | 2015-09-02 | 浙江上银导轨制造有限公司 | A kind of two flange linear bearing assembly |
| CN105042082A (en) * | 2015-07-07 | 2015-11-11 | 青岛睿辰密封科技有限公司 | Self-sealing full-polytetrafluoroethylene oil seal with monitoring function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108539902B (en) | 2020-05-08 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20180914 Assignee: Chongqing Changan New Energy Automotive Technology Co., Ltd. Assignor: Chongqing Changan Automobile Co., Ltd. Contract record no.: 2018500000017 Denomination of invention: A kind of motor sealing device of electric vehicle License type: Exclusive License Record date: 20181121 |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |