CN115833448A - Driving motor's silt prevention device and new forms of energy passenger train - Google Patents
Driving motor's silt prevention device and new forms of energy passenger train Download PDFInfo
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- CN115833448A CN115833448A CN202211501865.7A CN202211501865A CN115833448A CN 115833448 A CN115833448 A CN 115833448A CN 202211501865 A CN202211501865 A CN 202211501865A CN 115833448 A CN115833448 A CN 115833448A
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- mud
- driving motor
- fender
- ring
- mud guard
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- 230000002265 prevention Effects 0.000 title claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 14
- 239000004576 sand Substances 0.000 claims description 13
- 238000009434 installation Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The invention provides a silt prevention device of a driving motor and a new energy passenger car, which comprise: install the fender mud ring on motor output ring flange, install the fender on drive motor casing, the fender mud ring is the cylinder structure, the draw-in groove that can supply the one end joint of fender mud ring is seted up on the surface of fender. The mud guard ring forms the first protection, and the cooperation installation of mud guard and mud guard ring forms the second protection that prevents silt to driving motor, and the mud guard forms the third protection to sealed bearing, simple structure, and simple to operate can avoid silt to get into in the driving motor output bearing effectively.
Description
Technical Field
The invention belongs to the technical field of protection devices of driving motors, and particularly relates to a silt prevention device of a driving motor and a new energy bus.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The driving motor of the new energy passenger car is a key part of the whole car, the reliability and the stability of the driving motor are related to the safe running of the car, and the aim of continuously pursuing by designing the car is to improve the reliability and the stability of the driving motor. Because driving motor is located the chassis position, receives the sand and stone that splashes on the road for a long time, the striking of muddy water, if do not protect driving motor's output bearing, will reduce driving motor bearing life-span by a wide margin, cause driving motor to damage, influence whole car safety of traveling. In addition, the existing patent also has a protection device for the output shaft, such as patent CN216721101U, but the oil seal structure in this patent will wear along with the increase of the number of kilometers of the vehicle, which increases the maintenance cost.
Therefore, the reasonable structure is designed to prevent splashed silt from entering the bearing to protect the bearing, and the problem of urgent need to be solved by reducing subsequent maintenance of the structure.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the silt prevention device of the driving motor and the new energy passenger car, silt is prevented from entering a bearing at the output end of the motor through mechanical installation and matching of the mud guard and the mud guard ring, the structure is simple and reliable, the installation is convenient, and the like, and the reliability and the safety of the driving motor can be improved.
In order to achieve the above object, one or more embodiments of the present invention provide the following technical solutions: a silt prevention apparatus of a driving motor, comprising: install the fender mud ring on motor output ring flange, install the fender on drive motor casing, the fender mud ring is the cylinder structure, the draw-in groove that can supply the one end joint of fender mud ring is seted up on the surface of fender.
Furthermore, the fender is of a round-bottom plate structure, a plurality of bolt holes are formed in the round-bottom plate structure of the fender, and the fender is connected with the shell of the driving motor through the bolt holes.
Furthermore, the fender is arranged on the outer side of the sealing bearing, and the diameter of the circle of the fender is larger than that of the inner circle of the sealing bearing.
Furthermore, a center hole is formed in the circular bottom plate of the mudguard, and the motor output shaft penetrates through the center hole.
Furthermore, a bulge of a circular ring structure is arranged on one side, facing the motor output flange, of the round bottom plate structure of the fender, and a clamping groove is formed in the round bottom plate on the inner side of the bulge along the direction of the central shaft of the fender.
Furthermore, the mud guard ring is a hollow cylinder, and one end of the hollow cylinder is inserted into the clamping groove.
Further, the outer edge of the other end of the hollow cylinder is an inclined plane.
Furthermore, an annular plate is arranged in the inner wall of the hollow cylinder, and a through hole through which an output shaft of the motor can pass is formed in the middle of the annular plate.
Furthermore, the inner wall of the protrusion and the inner wall of the clamping groove are positioned on the same straight line along the central axis direction of the fender.
The invention provides a new energy passenger car, which comprises the silt preventing device of the driving motor.
The above one or more technical solutions have the following beneficial effects:
according to the invention, the mud guard ring arranged on the motor output flange plate is used for first protection of mud diversion, the mud guard ring is matched with the mud guard plate to form second protection of a sealing bearing of the driving motor, and the mud guard ring arranged on the driving motor shell is used for third protection of the sealing bearing protection, so that the reliability of the driving motor is effectively improved, the safety of the whole vehicle is improved, and the failure rate of the whole vehicle of the new energy passenger vehicle is reduced under the condition of not influencing the performance of the driving motor.
According to the invention, the outer edge of the mud guard ring is arranged to be of an inclined plane structure, so that the mud and sand are guided by the inclined plane structure when the driving motor rotates, and the mud and sand are guided to the outside by the centrifugal action of rotation.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is an exploded view of a silt preventing apparatus according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a silt-preventing apparatus according to a first embodiment of the present invention;
FIG. 3 is a schematic view of a fender structure according to a first embodiment of the present invention;
fig. 4 is a schematic structural view of a mud guard ring according to an embodiment of the present invention.
In the figure, 1, a driving motor shell, 2, a mud guard, 3, a mud guard ring, 4, a sealing bearing, 5, a motor output flange, 6 and a motor output shaft.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention.
The embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
Example one
As shown in fig. 1-2, the present embodiment discloses a mud and sand prevention device for a driving motor and a new energy passenger car, including: install fender mud ring 3 on motor output ring flange 5, install fender 2 on drive motor casing 1, fender mud ring 3 is the cylinder structure, the draw-in groove that can supply the one end joint of fender mud ring 3 is seted up on the surface of fender 2.
In the present embodiment, as shown in fig. 3, the fender 2 has a round bottom plate structure, a plurality of bolt holes are formed in the round bottom plate of the fender 2, and bolts are used to attach the fender 2 to the drive motor housing 1 through the bolt holes.
Specifically, the number of bolt holes may be 8.
One side of a mud guard 2 with a round bottom plate structure faces the sealing bearing 4, so that the mud guard 2 is installed outside the sealing bearing 4, the diameter of the circle of the mud guard 2 is larger than that of the inner circle of the sealing bearing 4, a certain gap is reserved between the mud guard 2 and the sealing bearing 4, mud water is prevented from entering the sealing structure through the protection effect of the mud guard 2 on the sealing bearing, and silt is effectively prevented from entering the sealing bearing.
A central hole is arranged on the circular bottom plate of the mudguard 2, and the output shaft of the motor penetrates through the central hole.
On the other side of the circular base plate of the mudguard 2, i.e. the side opposite to the side close to the sealed bearing, there are protrusions, which are described as hollow cylinder structures, the circular diameter of the protrusions of the hollow cylinder structures is larger than the circular diameter of the central hole opened on the mudguard 2, and smaller than the circular diameter of the mudguard 2 of the circular base plate structure.
A clamping groove is arranged on the fender 2 at the inner side of the bulge along the central shaft direction of the fender 2.
It will be appreciated that the clamping groove is an annular groove comprising a first annular wall and a second annular wall, the circular diameter of the first annular wall being greater than the circular diameter of the second annular wall, and the circular diameter of the inner wall of the projection being equal to the circular diameter of the first annular wall.
The fender 2 may be machined and may be of unitary construction.
In this embodiment, as shown in fig. 4, the mud guard 3 is a hollow cylinder, and one end of the mud guard 3, that is, the hollow cylinder, is inserted into the slot formed in the mud guard 2.
It can be understood that the size of the clamping groove is matched with the size of the mud guard ring 3, so that the clamping groove and the mud guard ring 3 are clamped together.
The inner wall of the mud guard ring 3 of the hollow cylinder is provided with an annular plate, the diameter of the circle of the annular plate is the same as that of the mud guard ring 3, and the annular plate is provided with a through hole for the output shaft of the motor to pass through.
Specifically, keep off mud ring 3 and be the one end that fender 2 was kept away from promptly to hollow cylinder's other one end promptly, set up to the inclined plane at fender mud ring 3 and be hollow cylinder's outside edge, play the water conservancy diversion effect to silt, with silt water conservancy diversion outside, when driving motor rotated, attached silt above receive the centrifugal force effect and get rid of the outside, can prevent effectively in entering structures such as gravel and sand, earth.
It will be appreciated that when the fender 3 and fender 2 are assembled together, as shown in figure 2, the end of the fender 3 adjacent the flange 5 is in the same vertical plane as the top of the projection on the fender 2.
It can be understood that the fender ring 3, i.e. the hollow cylinder, is formed by winding a steel plate or the like, and the steel plate has a certain thickness so as to be capable of being provided with an inclined surface in the circumferential direction.
The mud guard ring 3 and the motor output flange 5 are pressed together to ensure the firmness of installation, and then are assembled together with the motor output shaft 6.
In this embodiment, fender mud ring 3 rotates with motor output ring flange 5 together, and the inclined plane of fender mud ring 3 can play the water conservancy diversion effect to silt, with silt water conservancy diversion outside. When driving motor rotated, attached to silt on it and received centrifugal force effect and be got rid of the outside, can prevent effectively that gravel and sand, earth etc. from getting into the structure in, form first protection. Fender mud ring 3 assembles together with fender 2 and forms the second and say the protection, can play the effect of drainage to the silt that gets into, and mud water flows through the gap of this structure under the action of gravity, has certain fit clearance between fender mud ring 3 and the fender 2, prevents the friction that the motor rotation brought. The mud guard 2 is assembled with the driving motor shell 1 through bolts and arranged outside the sealed bearing to form a third protection to prevent silt from entering the sealed bearing 4. The three-layer protection can effectively prevent silt from entering the driving motor, and plays a role in protecting the bearing of the driving motor.
Example two
The embodiment provides a new forms of energy passenger train, includes the driving motor's in the embodiment one mud and sand prevention device.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. The utility model provides a driving motor's silt prevention device which characterized in that includes: install the fender mud ring on motor output ring flange, install the fender on driving motor casing, the fender mud ring is the cylinder structure, the draw-in groove that can supply the one end joint of fender mud ring is seted up on the surface of fender.
2. The mud and sand preventing device for the driving motor according to claim 1, wherein the mud guard has a round bottom plate structure, and a plurality of bolt holes are formed in the round bottom plate structure of the mud guard and connected with the driving machine housing through the bolt holes.
3. The mud and sand preventing device of a driving motor according to claim 2, wherein the mud guard is disposed outside the sealing bearing, and a circular diameter of the mud guard is larger than an inner circular diameter of the sealing bearing.
4. The mud guard of claim 2, wherein a center hole is formed in the circular bottom plate of the mud guard, and the motor output shaft passes through the center hole.
5. The mud and sand preventing device for the driving motor according to claim 2, wherein a protrusion of a circular ring structure is formed on a side of the circular bottom plate structure of the mud guard facing the output flange of the motor, and a locking groove is formed on the circular bottom plate along a central axis direction of the mud guard on an inner side of the protrusion.
6. The mud and sand preventing device for the driving motor according to claim 1, wherein the mud guard ring is a hollow cylinder, and one end of the hollow cylinder is inserted into the slot.
7. The mud and sand preventing device for a driving motor as claimed in claim 6, wherein an outer edge of the other end of the hollow cylinder is a slope.
8. The device for preventing silt of a driving motor according to claim 6, wherein an annular plate is provided on an inner wall of the hollow cylinder, and a through hole through which an output shaft of the motor can pass is formed in a middle of the annular plate.
9. The mud and sand preventing device for a driving motor according to claim 5, wherein the inner wall of the protrusion and the inner wall of the engaging groove are aligned in the direction of the center axis of the fender.
10. A new energy bus, comprising the mud-proof device of a driving motor according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211501865.7A CN115833448A (en) | 2022-11-28 | 2022-11-28 | Driving motor's silt prevention device and new forms of energy passenger train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211501865.7A CN115833448A (en) | 2022-11-28 | 2022-11-28 | Driving motor's silt prevention device and new forms of energy passenger train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115833448A true CN115833448A (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211501865.7A Pending CN115833448A (en) | 2022-11-28 | 2022-11-28 | Driving motor's silt prevention device and new forms of energy passenger train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115833448A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201044385Y (en) * | 2007-05-01 | 2008-04-02 | 无锡华达电机有限公司 | Seal structure of electric motor shaft |
| CN213185705U (en) * | 2020-08-18 | 2021-05-11 | 精进电动科技股份有限公司 | Motor waterproof construction and new energy automobile motor |
| CN214228020U (en) * | 2020-12-24 | 2021-09-17 | 无锡市宏泰电机股份有限公司 | End cover sealing structure of roller way motor |
| US20220145936A1 (en) * | 2019-05-08 | 2022-05-12 | Nok Corporation | Sealing device |
| CN216721101U (en) * | 2021-12-07 | 2022-06-10 | 卧龙电气驱动集团股份有限公司 | Protection device for motor shaft extension end |
-
2022
- 2022-11-28 CN CN202211501865.7A patent/CN115833448A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201044385Y (en) * | 2007-05-01 | 2008-04-02 | 无锡华达电机有限公司 | Seal structure of electric motor shaft |
| US20220145936A1 (en) * | 2019-05-08 | 2022-05-12 | Nok Corporation | Sealing device |
| CN213185705U (en) * | 2020-08-18 | 2021-05-11 | 精进电动科技股份有限公司 | Motor waterproof construction and new energy automobile motor |
| CN214228020U (en) * | 2020-12-24 | 2021-09-17 | 无锡市宏泰电机股份有限公司 | End cover sealing structure of roller way motor |
| CN216721101U (en) * | 2021-12-07 | 2022-06-10 | 卧龙电气驱动集团股份有限公司 | Protection device for motor shaft extension end |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20230321 |