CN209913631U - Motor end cover for new energy electric automobile - Google Patents
Motor end cover for new energy electric automobile Download PDFInfo
- Publication number
- CN209913631U CN209913631U CN201921034891.7U CN201921034891U CN209913631U CN 209913631 U CN209913631 U CN 209913631U CN 201921034891 U CN201921034891 U CN 201921034891U CN 209913631 U CN209913631 U CN 209913631U
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- China
- Prior art keywords
- mounting
- cover body
- end cover
- mounting groove
- electric automobile
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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.)
- Expired - Fee Related
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 26
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Motor Or Generator Frames (AREA)
Abstract
A motor end cover for a new energy electric automobile comprises a first cover body, a second cover body, a mounting ring, a baffle plate, a mounting plate and an elastic piece; the first cover body and the second cover body are connected, are of annular structures and are coaxially arranged; the first cover body is provided with a first mounting hole, a first mounting groove and a heat dissipation strip; a second mounting hole and a second mounting groove are formed in the second cover body, and a mounting platform is arranged on the outer peripheral surface of the second cover body; the first mounting hole is communicated with the second mounting hole and is positioned between the first mounting groove and the second mounting groove; a plurality of mounting holes are formed in the mounting platform, and the mounting platform is uniformly arranged around the central axis of the second cover body; the mounting ring is arranged on the groove bottom of the second mounting groove, and a bearing chamber is arranged on the inner side of the mounting ring; the baffle plates and the mounting plates are arranged on the inner wall of the mounting ring and are uniformly arranged around the axis in the mounting ring; the mounting plate is provided with a limiting hole. The utility model provides high heat-sinking capability, shock-absorbing capacity and the ability of making an uproar of falling of end cover.
Description
Technical Field
The utility model relates to the technical field of electric machines, especially, relate to a motor end cover for new forms of energy electric automobile.
Background
The motor end cover is a cover of the motor shell and generally comprises a front cover and a rear cover which are used for fixing and supporting the motor rotating shaft. The motor end cover is generally made of metal, comprises aluminum, aluminum casting, cold punching steel, plastic, bakelite and the like, and is generally made of different materials according to different motor types. For example, most automobile motors are cold-punched steel, and large motors are manufactured by a die-casting process. For new energy electric vehicles, the importance of the motor is self-evident, and the motor is indispensable.
When a motor of a new energy electric automobile runs, a motor end cover needs to have the capabilities of heat dissipation, shock absorption and noise reduction so as to maintain the normal work of the motor, and the existing motor end cover cannot meet the requirements and is not suitable for being applied to the new energy electric automobile.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides a motor end cover for new forms of energy electric automobile has improved heat-sinking capability, shock-absorbing capacity and the ability of making an uproar of falling of end cover to guarantee the normal operating of the motor of this end cover of installation.
(II) technical scheme
In order to solve the problems, the utility model provides a motor end cover for a new energy electric automobile, which comprises a first cover body, a second cover body, a mounting ring, a baffle plate, a mounting plate and an elastic part;
the first cover body and the second cover body are connected, are of annular structures and are coaxially arranged; the first cover body is provided with a first mounting hole, a first mounting groove and a heat dissipation strip; the heat dissipation strip is positioned in the first mounting groove; a second mounting hole and a second mounting groove are formed in the second cover body, and a mounting platform is arranged on the outer peripheral surface of the second cover body; the first mounting hole, the first mounting groove, the second mounting hole and the second mounting groove are coaxially arranged; the first mounting hole is communicated with the second mounting hole and is positioned between the first mounting groove and the second mounting groove; a plurality of mounting holes are formed in the mounting platform, and the mounting platform is uniformly arranged around the central axis of the second cover body; the mounting ring is arranged on the groove bottom of the second mounting groove and is coaxial with the second cover body, and a bearing chamber is arranged on the inner side of the mounting ring; the baffle plates and the mounting plates are arranged on the inner wall of the mounting ring and are uniformly arranged around the axis in the mounting ring; the mounting plate is provided with a limiting hole; the elastic piece is arranged in the limiting hole.
Preferably, the inner side surface of the baffle plate, which is far away from one side of the mounting ring, is an arc-shaped surface.
Preferably, the mounting hole is a stepped hole; the mounting hole comprises a first step part and a second step part, and the inner diameters of the first step part and the second step part are sequentially reduced along the direction far away from the first cover body; the first step part is internally and hermetically connected with a sealing plug.
Preferably, a reinforcing rib is arranged in the second mounting groove; the reinforcing rib strip both ends respectively with second lid inner wall and collar outer wall connection, the reinforcing rib strip evenly is provided with a plurality ofly around second lid axis.
Preferably, the reinforcing rib has a cross-sectional dimension gradually decreasing in a direction away from the bottom of the second mounting groove.
Preferably, the mounting ring is provided with heat dissipation holes; the louvre evenly is provided with a plurality ofly around the axis in the collar.
Preferably, the size of the opening of the heat dissipation hole is gradually reduced along the direction far away from the axis of the mounting ring.
Preferably, the elastic member is a rubber rod.
The above technical scheme of the utility model has following profitable technological effect: when a motor provided with the end cover operates, the contact area between the first cover body and air is enlarged through the heat dissipation strips, the heat dissipation capacity of the end cover is improved, and the heat dissipation process of the end cover is accelerated. The bearing runs in the bearing chamber, the bearing is positioned at the inner side of the plurality of baffles uniformly arranged around the mounting ring, the peripheral surface of the bearing is contacted with the elastic part, and the elastic part can buffer the vibration of the bearing during running, so that the noise of the bearing during running is reduced; the elastic part is arranged in the limiting hole on the mounting plate, the position is stable, and vibration generated when the bearing runs can be stably buffered. The utility model provides high heat-sinking capability, shock-absorbing capacity and the ability of making an uproar of falling of end cover to guarantee the normal operating of the motor of this end cover of installation.
Drawings
Fig. 1 is the utility model provides a structural schematic diagram of a motor end cover for new forms of energy electric automobile.
Fig. 2 is a rear view of the utility model provides a motor end cover for new forms of energy electric automobile.
Fig. 3 is the utility model provides a half section structure sketch map for new forms of energy electric automobile's motor end cover.
Fig. 4 is an enlarged view of a structure at a in fig. 3.
Fig. 5 is an enlarged view of the structure at B in fig. 3.
Reference numerals: 1. a first cover body; 101. a first mounting hole; 102. a first mounting groove; 103. a heat dissipating strip; 2. a second cover body; 201. a second mounting hole; 202. a second mounting groove; 203. an installation table; 2031. mounting holes; 3. a bearing chamber; 4. a mounting ring; 401. heat dissipation holes; 5. a baffle plate; 6. mounting a plate; 7. an elastic member; 8. reinforcing ribs; 9. and (4) sealing the plug.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-5, the motor end cover for a new energy electric vehicle provided by the present invention includes a first cover body 1, a second cover body 2, a mounting ring 4, a baffle 5, a mounting plate 6 and an elastic member 7;
the first cover body 1 is connected with the second cover body 2, and both are in an annular structure and are coaxially arranged; the first cover body 1 is provided with a first mounting hole 101, a first mounting groove 102 and a heat dissipation strip 103; the heat dissipation strip 103 is positioned in the first mounting groove 102; a second mounting hole 201 and a second mounting groove 202 are formed in the second cover body 2, and a mounting table 203 is arranged on the outer peripheral surface of the second cover body 2; the first mounting hole 101, the first mounting groove 102, the second mounting hole 201 and the second mounting groove 202 are coaxially arranged; the first mounting hole 101 is communicated with the second mounting hole 201 and is positioned between the first mounting groove 102 and the second mounting groove 202; a plurality of mounting holes 2031 are formed in the mounting table 203, and the mounting table 203 is uniformly arranged around the central axis of the second cover body 2; the mounting ring 4 is arranged on the bottom of the second mounting groove 202 and is coaxial with the second cover body 2, and a bearing chamber 3 is arranged on the inner side of the mounting ring 4; the baffle plates 5 and the mounting plates 6 are arranged on the inner wall of the mounting ring 4 and are uniformly arranged around the central axis of the mounting ring 4; the mounting plate 6 is provided with a limiting hole; the elastic piece 7 is arranged in the limiting hole.
The utility model discloses in, the motor of this end cover of installation is when the operation, and first lid 1 enlarges the area of contact with the air through heat dissipation strip 103, improves the heat-sinking capability of end cover for the heat dissipation process of end cover. The bearing runs in the bearing chamber 3, the bearing is positioned at the inner side of the baffles 5 uniformly arranged around the mounting ring 4, the peripheral surface of the bearing is contacted with the elastic part 7, and the elastic part 7 can buffer the vibration of the bearing during running, thereby reducing the noise of the bearing during running; the elastic piece 7 is arranged in a limiting hole on the mounting plate 6, is stable in position and can stably buffer vibration generated when the bearing operates. The utility model provides high heat-sinking capability, shock-absorbing capacity and the ability of making an uproar of falling of end cover to guarantee the normal operating of the motor of this end cover of installation.
In an alternative embodiment, the inner side of the baffle 5 on the side facing away from the mounting ring 4 is curved.
It should be noted that, by setting the inner side surface of the baffle 5 to be an arc surface, when the bearing is installed, the contact area between the bearing and the baffle 5 is enlarged, and the firmness of the bearing installation is improved.
In an alternative embodiment, the mounting hole 2031 is a stepped hole; the mounting hole 2031 comprises a first step part and a second step part, and the inner diameters of the first step part and the second step part are sequentially reduced along the direction away from the first cover body 1; a sealing plug 9 is hermetically connected in the first step part.
After the second cover 2 is mounted by the bolts, the motor is used for a long time, the bolts connected to the inside of the mounting holes 2031 of the second cover 2 are easily corroded, and when maintenance is required, the process of detaching the second cover 2 is very difficult. By setting the mounting hole 2031 to a stepped hole, the bolt is mounted in the second stepped portion, and the sealing plug 9 is provided in the first stepped portion having a large inner diameter, thereby effectively preventing the bolt from contacting with the outside, and avoiding the corrosion of the bolt.
In an alternative embodiment, the second mounting groove 202 is provided with a reinforcing rib 8; the both ends of the reinforcing rib strip 8 are respectively connected with the inner wall of the second cover body 2 and the outer wall of the mounting ring 4, and the reinforcing rib strip 8 is uniformly provided with a plurality of reinforcing ribs around the central axis of the second cover body 2.
It should be noted that the structural strength of the end cap is improved by providing the reinforcing ribs 8.
In an alternative embodiment, the cross-sectional dimension of the reinforcing bar 8 decreases in a direction away from the bottom of the second mounting groove 202.
It should be noted that, the end cap is generally produced by a casting process, and the cross-sectional size of the reinforcing rib 8 is gradually reduced, so that the second cover body 2 and the reinforcing rib 8 can be conveniently demoulded after being formed.
In an alternative embodiment, heat dissipation holes 401 are provided on the mounting ring 4; the louvres 401 are evenly provided with a plurality of around the axis of the mounting ring 4.
It should be noted that, by providing the heat dissipation holes 401, heat generated when the bearing is used can be dissipated through the heat dissipation holes 401, thereby further improving the heat dissipation capability of the end cover.
In an alternative embodiment, the size of the opening of the heat dissipation hole 401 is gradually reduced in a direction away from the central axis of the mounting ring 4.
It should be noted that the air in the bearing chamber 3 can flow to the outside of the mounting ring 4 along the heat dissipation holes 401 with gradually decreasing opening sizes, and the air flowing process is smoother, i.e., the heat dissipation is smoother.
In an alternative embodiment, the elastic member 7 is a rubber rod.
It should be noted that the rubber rod has simple structure, convenient installation and good elastic performance.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (8)
1. A motor end cover for a new energy electric automobile is characterized by comprising a first cover body (1), a second cover body (2), a mounting ring (4), a baffle (5), a mounting plate (6) and an elastic piece (7);
the first cover body (1) is connected with the second cover body (2), and both are of an annular structure and are coaxially arranged; a first mounting hole (101), a first mounting groove (102) and a heat dissipation strip (103) are formed in the first cover body (1); the heat dissipation strip (103) is positioned in the first mounting groove (102); a second mounting hole (201) and a second mounting groove (202) are formed in the second cover body (2), and a mounting platform (203) is arranged on the outer peripheral surface of the second cover body (2); the first mounting hole (101), the first mounting groove (102), the second mounting hole (201) and the second mounting groove (202) are coaxially arranged; the first mounting hole (101) is communicated with the second mounting hole (201) and is positioned between the first mounting groove (102) and the second mounting groove (202); a plurality of mounting holes (2031) are formed in the mounting table (203), and the mounting table (203) is uniformly arranged around the central axis of the second cover body (2); the mounting ring (4) is arranged on the bottom of the second mounting groove (202) and is coaxial with the second cover body (2), and a bearing chamber (3) is arranged on the inner side of the mounting ring (4); the baffle plates (5) and the mounting plates (6) are arranged on the inner wall of the mounting ring (4) and are uniformly arranged in a plurality around the central axis of the mounting ring (4); the mounting plate (6) is provided with a limiting hole; the elastic piece (7) is arranged in the limiting hole.
2. The motor end cover for the new energy electric automobile is characterized in that the inner side surface of the baffle (5) far away from the mounting ring (4) is an arc-shaped surface.
3. The motor end cover for the new energy electric automobile according to claim 1, characterized in that the mounting hole (2031) is a stepped hole; the mounting hole (2031) comprises a first step part and a second step part, and the inner diameters of the first step part and the second step part are sequentially reduced along the direction far away from the first cover body (1); a sealing plug (9) is hermetically connected in the first step part.
4. The motor end cover for the new energy electric automobile is characterized in that a reinforcing rib (8) is arranged in the second mounting groove (202); the two ends of the reinforcing rib (8) are respectively connected with the inner wall of the second cover body (2) and the outer wall of the mounting ring (4), and the reinforcing rib (8) is uniformly provided with a plurality of reinforcing ribs around the central axis of the second cover body (2).
5. The motor end cover for the new energy electric automobile is characterized in that the cross section of the reinforcing rib (8) is gradually reduced along the direction far away from the bottom of the second mounting groove (202).
6. The motor end cover for the new energy electric automobile is characterized in that heat dissipation holes (401) are formed in the mounting ring (4); a plurality of heat dissipation holes (401) are uniformly arranged around the central axis of the mounting ring (4).
7. The motor end cover for the new energy electric automobile is characterized in that the opening size of the heat dissipation holes (401) is gradually reduced along the direction far away from the central axis of the mounting ring (4).
8. The motor end cover for the new energy electric automobile is characterized in that the elastic piece (7) is a rubber rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921034891.7U CN209913631U (en) | 2019-07-04 | 2019-07-04 | Motor end cover for new energy electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921034891.7U CN209913631U (en) | 2019-07-04 | 2019-07-04 | Motor end cover for new energy electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209913631U true CN209913631U (en) | 2020-01-07 |
Family
ID=69050612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921034891.7U Expired - Fee Related CN209913631U (en) | 2019-07-04 | 2019-07-04 | Motor end cover for new energy electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209913631U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233537A (en) * | 2019-07-04 | 2019-09-13 | 电子科技大学中山学院 | Motor end cover and bearing chamber structure for new energy electric automobile |
| DE102020200140A1 (en) * | 2020-01-08 | 2021-07-08 | Volkswagen Aktiengesellschaft | Electric machine |
-
2019
- 2019-07-04 CN CN201921034891.7U patent/CN209913631U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233537A (en) * | 2019-07-04 | 2019-09-13 | 电子科技大学中山学院 | Motor end cover and bearing chamber structure for new energy electric automobile |
| DE102020200140A1 (en) * | 2020-01-08 | 2021-07-08 | Volkswagen Aktiengesellschaft | Electric machine |
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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: 20200107 Termination date: 20210704 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |