CN207853636U - A kind of electric motor end cap, driving motor and electric vehicle - Google Patents
A kind of electric motor end cap, driving motor and electric vehicle Download PDFInfo
- Publication number
- CN207853636U CN207853636U CN201820297011.4U CN201820297011U CN207853636U CN 207853636 U CN207853636 U CN 207853636U CN 201820297011 U CN201820297011 U CN 201820297011U CN 207853636 U CN207853636 U CN 207853636U
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- CN
- China
- Prior art keywords
- cooling liquid
- liquid flowing
- flowing channel
- end cap
- electric motor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
A kind of electric motor end cap of the utility model offer, driving motor and electric vehicle, are related to electric machine structure technical field, the electric motor end cap includes：Electric motor end cap ontology；Cooling liquid flowing channel in the first end face of the electric motor end cap ontology is set；The coolant inlet and cooling liquid outlet for being arranged in the second end face of the electric motor end cap ontology, and being connected to respectively with the cooling liquid flowing channel；Wherein, the cooling liquid flowing channel of the cooling liquid flowing channel and electric machine casing forms coolant circuit.The embodiment of the utility model, by the way that the cooling liquid flowing channel is arranged on the electric motor end cap ontology, realize the cooling to the bearing mounted on electric motor end cap, so that the grease for bearing lubrication is in Optimum Lubrication always, to extend the service life of the bearing and the driving motor.
Description
Technical field
The utility model belongs to electric machine structure technical field, more particularly, to a kind of electric motor end cap, driving motor and electronic
Automobile.
Background technology
During electric automobile during traveling, due to friction etc., lead to the temperature for the bearing that driving motor runs at high speed
It is excessively high, and the bearing of the driving motor of traditional electric vehicle is generally grease lubrication rolling bearing, it is well known that grease is by temperature
It is affected, when environment temperature is excessively high, the greasy property of grease is poor, and bearing life is caused to reduce, the use of driving motor
Therefore the lost of life in driving motor operational process, needs to cool down bearing so that the temperature of driving motor
Meet the needs of grease lubrication, promotes the effect of grease lubrication.
Utility model content
The utility model embodiment is designed to provide a kind of electric motor end cap, driving motor and electric vehicle, to solve
Certainly in the prior art since environment temperature is excessively high, cause the lubricant effect of the grease for bearing lubrication poor so that bearing and drive
The problem of reduced service life of dynamic motor.
To achieve the goals above, the utility model provides a kind of electric motor end cap, is covered on electric machine casing, wherein
The electric motor end cap includes：
Electric motor end cap ontology；
Cooling liquid flowing channel in the first end face of the electric motor end cap ontology is set；
It is arranged in the second end face of the electric motor end cap ontology, and the coolant liquid being connected to respectively with the cooling liquid flowing channel
Entrance and cooling liquid outlet；
Wherein, the cooling liquid flowing channel of the cooling liquid flowing channel and electric machine casing forms coolant circuit.
Wherein, it opens up fluted in the first end face, is formed as the cooling liquid flowing channel.
Wherein, the cooling liquid flowing channel includes：First around the bearing mounting hole setting of the electric motor end cap ontology is cold
But liquid stream road, and the second cooling liquid flowing channel and third cooling liquid flowing channel that are connected to respectively with first cooling liquid flowing channel,
In, second cooling liquid flowing channel is connected to the coolant inlet, the third cooling liquid flowing channel and the cooling liquid outlet
Connection.
Wherein, first cooling liquid flowing channel is formed as the annular channel coaxial with the bearing mounting hole.
Wherein, second cooling liquid flowing channel and the third cooling liquid flowing channel are linear type runner, and described second
Cooling liquid flowing channel and the third cooling liquid flowing channel are symmetricly set on the both sides of first cooling liquid flowing channel.
Wherein, one end of second cooling liquid flowing channel is connected to first cooling liquid flowing channel, the other end with it is described cold
But liquid entrance is connected to；
One end of the third cooling liquid flowing channel is connected to first cooling liquid flowing channel, and the other end goes out with the coolant liquid
Mouth connection.
The utility model embodiment also provides a kind of driving motor, including bearing and the motor casing for being provided with cooling liquid flowing channel
Body further includes electric motor end cap as described above, wherein the electric motor end cap is connect with the electric machine casing, the bearing assembly
In the bearing mounting hole of the electric motor end cap.
The utility model embodiment also provides a kind of electric vehicle, including driving motor as described above.
The above-mentioned technical proposal of the utility model at least has the advantages that：
The utility model embodiment on electric motor end cap by being arranged cooling liquid flowing channel, by flowing through the cooling liquid flowing channel
Coolant liquid, realize the cooling effect to bearing working environment, the lubricant effect for being used in the grease of bearing lubrication reaches most
Good state, to extend the service life of grease lubricating bearing, by be arranged on the electric motor end cap respectively with the cooling
The coolant inlet and cooling liquid outlet of liquid stream road connection so that cold on the cooling liquid flowing channel and electric machine casing on electric motor end cap
But liquid stream road forms the circuit being closed so that coolant liquid circulates, and finally passes through the cooling liquid flowing channel of electric motor end cap
Coolant temperature meets the use demand of grease always, promotes grease lubrication effect, extends the service life of driving motor.
Description of the drawings
Fig. 1 is the first schematic diagram of the electric motor end cap of the utility model embodiment；
Fig. 2 is the second schematic diagram of the electric motor end cap of the utility model embodiment；
Fig. 3 is the schematic cross-sectional view of the electric motor end cap of the utility model embodiment.
Reference sign：
1- electric motor end cap ontologies, 2- coolant inlets, 3- cooling liquid outlets, the first cooling liquid flowing channels of 4-, 5- second are cooled down
Liquid stream road, 6- third cooling liquid flowing channels, 7- bearing mounting holes.
Specific implementation mode
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.
The utility model embodiment to bearing in the prior art for being lubricated the grease of effect by environment temperature
Influence lubricant effect it is poor, the problem of leading to the reduced service life of bearing and driving motor, provides a kind of electric motor end cap, driving
Motor and electric vehicle improve the service life of driving motor so that grease is in Optimum Lubrication always.
As shown in Figure 1-Figure 3, an embodiment of the utility model provides a kind of electric motor end cap, is covered on electric machine casing
On, the electric motor end cap includes：
Electric motor end cap ontology 1；
Cooling liquid flowing channel in the first end face of the electric motor end cap ontology 1 is set；
It is arranged in the second end face of the electric motor end cap ontology 1, and the cooling being connected to respectively with the cooling liquid flowing channel
Liquid entrance 2 and cooling liquid outlet 3；
Wherein, the cooling liquid flowing channel of the cooling liquid flowing channel and electric machine casing forms coolant circuit.
Here, it should be noted that the second end face of the electric motor end cap ontology 1 is to be provided with the end face of bearing chamber, institute
It is the end face being oppositely arranged with the second end face to state first end face.
The utility model embodiment is realized by the way that cooling liquid flowing channel is arranged on the electric motor end cap to being mounted on motor
Bearing in the bearing mounting hole 7 of end cap is cooled down so that the environment temperature residing for the bearing is in always is used for axis
The temperature for holding the best lubricating effect of the grease of lubrication increases the drive to improve the reliability of the driving motor
The service life of dynamic motor.
Wherein, for the ease of the manufacturing of electric motor end cap, and the production cost of the electric motor end cap is reduced, this practicality is new
The cooling liquid flowing channel of type embodiment is the groove opened up in the first end face, certainly, the shape of the cooling liquid flowing channel
Formula is not limited to above-mentioned form, any form that cooling liquid flowing channel can be formed around bearing mounting hole 7.
Specifically, the cooling liquid flowing channel includes：The be arranged around the bearing mounting hole 7 of the electric motor end cap ontology 1
One cooling liquid flowing channel 4, and the second cooling liquid flowing channel 5 and third coolant liquid that are connected to respectively with first cooling liquid flowing channel 4
Runner 6, wherein second cooling liquid flowing channel 5 is connected to the coolant inlet 2, the third cooling liquid flowing channel 6 with it is described
Cooling liquid outlet 3 is connected to.
Preferably, first cooling liquid flowing channel 4 is formed as the annular channel coaxial with the bearing mounting hole 7；By institute
It states the first cooling liquid flowing channel 4 and is centered around the setting of the bearing mounting hole 7, the steel bushing by the periphery of the bearing mounting hole 7 is real
Heat transmission and the heat exchange between bearing and coolant liquid are showed, so that it is guaranteed that the environment temperature residing for the bearing will not be because of bearing
The heat generated that rubs is excessively high, causes the lubricant effect of grease poor.
Be arranged in the first end face the second cooling liquid flowing channel 5 being connected to respectively with first cooling liquid flowing channel 4 and
Third cooling liquid flowing channel 6 realizes the company of first cooling liquid flowing channel 4 of annular and the cooling liquid flowing channel of the electric machine casing
It is logical, convenient for forming the coolant circuit being closed.
Preferably, in order to improve the cycle rate for the coolant liquid for flowing through first cooling liquid flowing channel 4, the utility model is real
It applies second cooling liquid flowing channel 5 of example and the third cooling liquid flowing channel 6 is disposed as linear type, and described second is cooled down
Liquid stream road 5 and the third cooling liquid flowing channel 6 are symmetricly set on the both sides of first cooling liquid flowing channel 4, and institute is flowed through in raising
On the basis of the cycle rate for stating the coolant liquid of the first cooling liquid flowing channel 4, moreover it is possible to fully ensure that the coolant liquid can fully lead to
Cross each position of first cooling liquid flowing channel 4 so that the more uniform stabilization of environment temperature around the bearing.
As shown in Figures 2 and 3, the coolant inlet 2 and the cooling liquid outlet 3 are symmetricly set on the electric motor end cap
In the second end face of ontology 1, and the coolant inlet 2 and the cooling liquid outlet 3 are arranged at close to the second end face
Marginal position on, wherein one end of second cooling liquid flowing channel 5 is connected to first cooling liquid flowing channel 4, the other end with
The coolant inlet 2 is connected to；One end of the third cooling liquid flowing channel 6 is connected to first cooling liquid flowing channel 4, the other end
It is connected to the cooling liquid outlet 3.So that the coolant inlet 2, the cooling liquid outlet 3 and the cooling liquid flowing channel
Be formed as type straight up and down, further improve the flow rate of coolant liquid.
Here, it should be noted that after the electric motor end cap and the electric machine casing are by bolts assemblies, the cooling
Liquid entrance 2 and the connection corresponding with the outlet of the cooling liquid flowing channel of the electric machine casing and entrance respectively of the cooling liquid outlet 3, from
And the cooling liquid flowing channel for realizing the cooling liquid flowing channel and the electric machine casing forms coolant channels, is convenient for the coolant liquid
Circulate, and with the cooling system of vehicle coordinate so that the working environment of the bearing always be in meets lubricant grease
Best lubricating effect temperature.
Above-described embodiment of the utility model, by the way that coolant liquid is arranged in the first end face of the electric motor end cap ontology 1
Runner, and the cooling entrance 2 and the cooling liquid outlet by being arranged in the second end face of the electric motor end cap ontology 1
3, coolant circuit is formd with the cooling liquid flowing channel of electric machine casing, passes through the cooperation with vehicle cooling system so that is described cold
But liquid is that bearing is cooled down, and ensures that the peripheral temperature of the bearing meets the Optimum Lubrication of lubricant grease always, from
And extend the service life of the bearing.
Another embodiment of the utility model provides a kind of driving motor, including bearing and is provided with cooling liquid flowing channel
Electric machine casing further includes electric motor end cap as described above, wherein the electric motor end cap is connect with the electric machine casing, the axis
It installs in the bearing mounting hole for fitting over the electric motor end cap.
Correspondingly, the electric motor end cap due to the utility model embodiment is applied to driving motor, the utility model is real
It applies example and additionally provides a kind of driving motor, wherein realize that embodiment is suitable for the driving motor described in above-mentioned electric motor end cap
Embodiment in, can also reach identical technique effect.
The utility model embodiment additionally provides a kind of electric vehicle, including driving motor as described above.
Correspondingly, the driving motor due to the utility model embodiment is applied to electric vehicle, the utility model is real
It applies example and additionally provides a kind of electric vehicle, wherein realize that embodiment is suitable for the electric vehicle described in above-mentioned driving motor
Embodiment in, can also reach identical technique effect.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, under the premise of not departing from principle described in the utility model, several improvements and modifications can also be made, these improvement
The scope of protection of the utility model is also should be regarded as with retouching.
Claims (8)
1. a kind of electric motor end cap, is covered on electric machine casing, which is characterized in that the electric motor end cap includes：
Electric motor end cap ontology (1)；
Cooling liquid flowing channel in the first end face of the electric motor end cap ontology (1) is set；
It is arranged in the second end face of the electric motor end cap ontology (1), and the coolant liquid being connected to respectively with the cooling liquid flowing channel
Entrance (2) and cooling liquid outlet (3)；
Wherein, the cooling liquid flowing channel of the cooling liquid flowing channel and electric machine casing forms coolant circuit.
2. electric motor end cap according to claim 1, which is characterized in that open up fluted in the first end face, be formed as
The cooling liquid flowing channel.
3. electric motor end cap according to claim 1, which is characterized in that the cooling liquid flowing channel includes：Around the motor
The first cooling liquid flowing channel (4) of bearing mounting hole (7) setting of end cap ontology (1), and respectively liquid stream is cooled down with described first
Road (4) connection the second cooling liquid flowing channel (5) and third cooling liquid flowing channel (6), wherein second cooling liquid flowing channel (5) and
Coolant inlet (2) connection, the third cooling liquid flowing channel (6) are connected to the cooling liquid outlet (3).
4. electric motor end cap according to claim 3, which is characterized in that first cooling liquid flowing channel (4) is formed as and institute
State the coaxial annular channel of bearing mounting hole (7).
5. electric motor end cap according to claim 4, which is characterized in that second cooling liquid flowing channel (5) and the third
Cooling liquid flowing channel (6) is linear type runner, and second cooling liquid flowing channel (5) and the third cooling liquid flowing channel (6) are right
Claim to be arranged in the both sides of first cooling liquid flowing channel (4).
6. electric motor end cap according to claim 5, which is characterized in that one end of second cooling liquid flowing channel (5) and institute
The first cooling liquid flowing channel (4) connection is stated, the other end is connected to the coolant inlet (2)；
One end of the third cooling liquid flowing channel (6) is connected to first cooling liquid flowing channel (4), the other end and the coolant liquid
Export (3) connection.
7. a kind of driving motor, including bearing and the electric machine casing for being provided with cooling liquid flowing channel, which is characterized in that further include such as power
Profit requires 1-6 any one of them electric motor end caps, wherein the electric motor end cap is connect with the electric machine casing, the bearing dress
In the bearing mounting hole for fitting over the electric motor end cap.
8. a kind of electric vehicle, which is characterized in that including driving motor as claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820297011.4U CN207853636U (en) | 2018-02-28 | 2018-02-28 | A kind of electric motor end cap, driving motor and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820297011.4U CN207853636U (en) | 2018-02-28 | 2018-02-28 | A kind of electric motor end cap, driving motor and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207853636U true CN207853636U (en) | 2018-09-11 |
Family
ID=63409147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820297011.4U Expired - Fee Related CN207853636U (en) | 2018-02-28 | 2018-02-28 | A kind of electric motor end cap, driving motor and electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207853636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110165833A (en) * | 2019-06-18 | 2019-08-23 | 徐州亚泰电机有限公司 | A kind of Flame-Proof Three-Phase Induction Motors |
-
2018
- 2018-02-28 CN CN201820297011.4U patent/CN207853636U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110165833A (en) * | 2019-06-18 | 2019-08-23 | 徐州亚泰电机有限公司 | A kind of Flame-Proof Three-Phase Induction Motors |
| CN110165833B (en) * | 2019-06-18 | 2020-10-27 | 徐州亚泰电机有限公司 | Explosion-proof type three-phase asynchronous motor |
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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 |
Granted publication date: 20180911 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |