CN217917479U - Rear axle sub-assembly of electric vehicle - Google Patents
Rear axle sub-assembly of electric vehicle Download PDFInfo
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- CN217917479U CN217917479U CN202222090449.4U CN202222090449U CN217917479U CN 217917479 U CN217917479 U CN 217917479U CN 202222090449 U CN202222090449 U CN 202222090449U CN 217917479 U CN217917479 U CN 217917479U
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- axle housing
- sleeve
- motor
- axle
- rear axle
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Abstract
The utility model relates to a rear axle technical field discloses an electric motor car rear axle subassembly, including axle housing and sleeve, the sleeve is provided with two, and two holistic connections of sleeve are in the both sides of axle housing, and axle housing and the horizontal rotatable running through in telescopic inside have the axis body, and the both ends of axis body run through to telescopic outside, and driven tooth is installed in the inside axis body outer lane transmission of axle housing, and the top of axle housing transversely is provided with the lifter plate, and the electric push rod is all installed on the both sides surface of lifter plate, and the end that stretches out of electric push rod runs through to the lifter plate below. The utility model discloses technical scheme makes the drive tooth and the driven tooth meshing of its bottom through making the motor be installed on the mounting panel surface that can rise the price from top to bottom, and when rear axle was unpowered imported, the motor was driven and is raised and make drive tooth and driven tooth separation, avoided motor and transmission structure to rotate along with the rear wheel rotation, reduced the wearing and tearing and reduce the vibration to motor and transmission structure, and the rubber block cooperation lantern ring has better damping effect when the axis body rotates.
Description
Technical Field
The utility model relates to a rear axle technical field specifically is an electric motor car rear axle subassembly.
Background
The rear axle is a rear driving shaft component for vehicle power transmission, which is composed of two half-bridges, can implement half-bridge differential motion, and is also a device for supporting wheels and connecting rear wheels.
In actual operation, when the rear axle is in unpowered input, the shaft body of the rear wheel rotates under the driving action of the front wheel, the rotating action is further transmitted to the motor or the transmission structure, and unnecessary abrasion and vibration exist when the rear axle motor does not work. Therefore, we propose a rear axle sub-assembly of an electric vehicle.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric motor car rear axle subassembly, through making the motor be installed on the mounting panel surface that can rise the price from top to bottom, make the drive tooth and the driven tooth meshing of its bottom, when the rear axle is unpowered input, the motor is driven to rise and makes drive tooth and driven tooth separation, avoid motor and transmission structure to rotate along with the rear wheel rotation, reduce the wearing and tearing and the reduction vibration to motor and transmission structure, and the rubber block cooperation lantern ring has better damping effect when the axis body rotates, the problem that proposes among the background art has been solved.
In order to achieve the above object, the utility model provides a following technical scheme: the rear axle sub-assembly of the electric vehicle comprises an axle housing and two sleeves, wherein the two sleeves are integrally connected to two sides of the axle housing; a shaft body transversely and rotatably penetrates through the axle housing and the sleeve, two ends of the shaft body penetrate through the sleeve, and driven teeth are arranged on the outer ring of the shaft body in the axle housing in a transmission manner; a lifting plate is transversely arranged above the axle housing, electric push rods are arranged on the surfaces of the two sides of the lifting plate, the extending ends of the electric push rods penetrate through the lower portion of the lifting plate, and the tail ends of the electric push rods are welded on the surface of the axle housing; the surface of the lifting plate is provided with a motor, a transmission shaft of the motor penetrates into the axle housing, the tail end of the transmission shaft of the motor is provided with a driving tooth, and the driving tooth is meshed with the driven tooth; the lantern ring has all been set to the axis body outer lane of the inside both sides of axle housing, and the lantern ring passes through connecting rod welded fastening in the inside of axle housing, and the axis body outer lane cover of lantern ring inner circle is put and is installed the bearing, and contradicts between bearing and the lantern ring to overlap to put and be fixed with the block rubber.
As an alternative of this application technical scheme, the apron screw has been seted up on the outer lane surface of axle housing front end, and the apron screw is provided with a plurality ofly, and the even distribution of a plurality of apron screws is in axle housing front end outer lane.
As an alternative scheme of the technical scheme of the application, the surface of the sleeve is fixed with the mounting seat, and the mounting seat is fixed on the upper surface of the sleeve in a welding mode.
As an alternative scheme of this application technical scheme, the installation screw has been seted up on the surface of mount pad, and the even a plurality ofly that is provided with of installation screw.
As an alternative of this application technical scheme, the transmission shaft of motor runs through to the inside of axle housing through sealed axle sleeve, and sealed axle sleeve imbeds to the junction of motor drive shaft and axle housing.
As an alternative scheme of this application technical scheme, the axis body passes through the rotatable and sleeve internal connection of pivot, and the pivot is connected between the inside of axis body and sleeve.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. this application technical scheme makes the drive tooth and the driven tooth meshing of its bottom through making the motor be installed on the mounting panel surface that can rise the price from top to bottom, and when the rear axle was unpowered input, the motor was driven and is lifted and make drive tooth and driven tooth separation, avoided motor and transmission structure to rotate along with the rear wheel rotation, reduced the wearing and tearing and reduce the vibration to motor and transmission structure, and the rubber block cooperation lantern ring has better damping effect when the axis body rotates.
2. This application technical scheme has seted up the apron screw through the outer lane surface that makes the axle housing front end, and the apron screw is provided with a plurality ofly, and the even distribution of a plurality of apron screws is in axle housing front end outer lane, and the stable installation to the apron can conveniently be realized to a plurality of apron screws that evenly set up, realizes the sealed to the axle housing.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of the whole structure of the rear axle sub-assembly of the electric vehicle of the present invention;
fig. 2 is the utility model discloses electric motor car rear axle sub-assembly's axis body and lantern ring junction structural schematic.
In the figure: 1. an axle housing; 2. a sleeve; 3. a mounting seat; 4. mounting a screw hole; 5. a shaft body; 6. a lifting plate; 7. a motor; 8. an electric push rod; 9. a drive tooth; 10. a driven tooth; 11. a cover plate screw hole; 12. a connecting rod; 13. a collar; 14. a bearing; 15. a rubber block.
Detailed Description
Referring to fig. 1-2, the present invention provides a technical solution: the rear axle sub-assembly of the electric vehicle comprises an axle housing 1 and two sleeves 2, wherein the two sleeves 2 are integrally connected to two sides of the axle housing 1;
a shaft body 5 transversely and rotatably penetrates through the axle housing 1 and the sleeve 2, two ends of the shaft body 5 penetrate through the sleeve 2, and driven teeth 10 are arranged on the outer ring of the shaft body 5 in the axle housing 1 in a transmission manner;
a lifting plate 6 is transversely arranged above the axle housing 1, electric push rods 8 are respectively arranged on the surfaces of two sides of the lifting plate 6, the extending ends of the electric push rods 8 penetrate below the lifting plate 6, and the tail ends of the electric push rods 8 are welded on the surface of the axle housing 1;
a motor 7 is arranged on the surface of the lifting plate 6, a transmission shaft of the motor 7 penetrates into the axle housing 1, a driving tooth 9 is arranged at the tail end of the transmission shaft of the motor 7, and the driving tooth 9 is meshed with a driven tooth 10;
In the technical scheme, the motor 7 is arranged on the surface of the mounting plate which can be raised up and down, the driving teeth 9 at the bottom of the motor 7 are meshed with the driven teeth 10, when the rear axle is in unpowered input, the motor 7 is driven to be lifted to separate the driving teeth 9 from the driven teeth 10, the motor 7 and a transmission structure are prevented from rotating along with the rotation of a rear wheel, the abrasion to the motor 7 and the transmission structure is reduced, the vibration is reduced, and the rubber block 15 is matched with the lantern ring 13 to have a better vibration reduction effect when the shaft body 5 rotates.
In some technical scheme, the outer lane surface of axle housing 1 front end has seted up apron screw 11, and apron screw 11 is provided with a plurality ofly, and the even distribution of a plurality of apron screw 11 is in axle housing 1 front end outer lane.
In this kind of technical scheme, cover plate screw 11 has been seted up through the outer lane surface that makes axle housing 1 front end, and cover plate screw 11 is provided with a plurality ofly, and the even distribution of a plurality of cover plate screws 11 is in axle housing 1 front end outer lane, and a plurality of even cover plate screws 11 that set up can conveniently realize the stable installation to the apron, realize the sealed to axle housing 1.
In some technical solutions, the surface of the sleeve 2 is fixed with the mounting seat 3, and the mounting seat 3 is fixed on the upper surface of the sleeve 2 by welding.
In this kind of technical scheme, through the setting of sleeve 2 surface mounting seat 3, can utilize mount pad 3 to realize the installation locking to sleeve 2 and axle housing 1.
In some technical schemes, the surface of the mounting base 3 is provided with a plurality of mounting screw holes 4, and the mounting screw holes 4 are uniformly arranged.
In the technical scheme, through the arrangement of the mounting screw holes 4, the mounting screw holes 4 on the surface of the mounting base 3 can be matched by bolts, so that the mounting base 3 and the frame are locked and connected.
In some technical schemes, the transmission shaft of the motor 7 penetrates through the inside of the axle housing 1 through a sealing shaft sleeve, and the sealing shaft sleeve is embedded into the joint of the transmission shaft of the motor 7 and the axle housing 1.
In the technical scheme, the purpose of penetrating the transmission shaft of the motor 7 into the axle housing 1 is realized through a sealing shaft sleeve.
In some technical schemes, the shaft body 5 is connected with the inside of the sleeve 2 through a rotating shaft which is rotatable, and the rotating shaft is connected between the shaft body 5 and the inside of the sleeve 2.
In this solution, the rotatable connection between the shaft body 5 and the sleeve 2 is realized by a rotating shaft.
When the automobile axle assembly works, the mounting seat 3 on the upper surface of the sleeve 2 is tightly attached to a mounting position at the bottom of an automobile frame, then the axle housing 1 and the sleeve 2 are mounted and locked in a mode that bolts are screwed into mounting screw holes 4 in the surface of the mounting seat 3, a cover plate is mounted at the front end of the axle housing 1 through a cover plate screw hole 11 and matched with the bolts, and the part of an axle body 5 penetrating to the outside of the sleeve 2 is provided with wheels, a brake and other structures, so that an electric push rod 8 and a motor 7 are connected to an automobile control computer, when a rear wheel rotates along with a front wheel, the electric push rod 8 is controlled to drive a lifting plate 6 and the motor 7 to ascend, meanwhile, a driving tooth 9 also ascends and is separated from a driven tooth 10, when the axle body 5 rotates along with the rear wheel to drive the driven tooth 10 to rotate, acting force cannot be generated with the driving tooth 9 and the motor 7, and abrasion to the structures is reduced and vibration is generated; when there is the trouble in front axle drive structure or needs rear axle cooperation front wheel drive, can control electric push rod 8 earlier and drive lifter plate 6 and motor 7 descending height, make driving tooth 9 and driven tooth 10 mesh once more, can drive driven tooth 10 through driving tooth 9 and make the axis body 5 rotate and drive after making motor 7 circular telegram work, and at the 5 pivoted in-process of axis body, because bearing 14 of axle housing 1 inboard is locked in fixed lantern ring 13 department through rubber block 15, can have better buffering damping effect to the rotation of axis body 5.
Claims (6)
1. The utility model provides an electric motor car rear axle sub-assembly, includes axle housing (1) and sleeve (2), its characterized in that: the two sleeves (2) are integrally connected to two sides of the axle housing (1);
a shaft body (5) transversely and rotatably penetrates through the axle housing (1) and the sleeve (2), two ends of the shaft body (5) penetrate through the sleeve (2), and driven teeth (10) are arranged on the outer ring of the shaft body (5) in the axle housing (1) in a transmission manner;
a lifting plate (6) is transversely arranged above the axle housing (1), electric push rods (8) are respectively arranged on the surfaces of two sides of the lifting plate (6), the extending ends of the electric push rods (8) penetrate through the lower portion of the lifting plate (6), and the tail ends of the electric push rods (8) are welded on the surface of the axle housing (1);
a motor (7) is mounted on the surface of the lifting plate (6), a transmission shaft of the motor (7) penetrates into the axle housing (1), a driving tooth (9) is mounted at the tail end of the transmission shaft of the motor (7), and the driving tooth (9) is meshed with a driven tooth (10);
shaft body (5) outer lane of the inside both sides of axle housing (1) all overlap and have been put lantern ring (13), and lantern ring (13) are through connecting rod (12) welded fastening in the inside of axle housing (1), and shaft body (5) outer lane cover of lantern ring (13) inner circle is put and is installed bearing (14), and contradicts between bearing (14) and lantern ring (13) to overlap and put and be fixed with rubber block (15).
2. The electric vehicle rear axle sub-assembly of claim 1, wherein: the outer ring surface of axle housing (1) front end has seted up apron screw (11), and apron screw (11) are provided with a plurality ofly, and a plurality of apron screw (11) even distribution are in axle housing (1) front end outer lane.
3. The electric vehicle rear axle sub-assembly of claim 1, wherein: the surface of the sleeve (2) is fixed with a mounting seat (3), and the mounting seat (3) is fixed on the upper surface of the sleeve (2) in a welding mode.
4. The electric vehicle rear axle sub-assembly of claim 3, wherein: the surface of the mounting base (3) is provided with a plurality of mounting screw holes (4), and the mounting screw holes (4) are uniformly formed.
5. The electric vehicle rear axle sub-assembly of claim 1, wherein: the transmission shaft of motor (7) runs through to the inside of axle housing (1) through sealed axle sleeve, and sealed axle sleeve imbeds to the junction of motor (7) transmission shaft and axle housing (1).
6. The electric vehicle rear axle sub-assembly of claim 1, wherein: the shaft body (5) is rotatably connected with the inner part of the sleeve (2) through a rotating shaft, and the rotating shaft is connected between the shaft body (5) and the inner part of the sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222090449.4U CN217917479U (en) | 2022-08-10 | 2022-08-10 | Rear axle sub-assembly of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222090449.4U CN217917479U (en) | 2022-08-10 | 2022-08-10 | Rear axle sub-assembly of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217917479U true CN217917479U (en) | 2022-11-29 |
Family
ID=84161171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222090449.4U Active CN217917479U (en) | 2022-08-10 | 2022-08-10 | Rear axle sub-assembly of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217917479U (en) |
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2022
- 2022-08-10 CN CN202222090449.4U patent/CN217917479U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 071000 No. 860, Jianguo Road, Fuchang Township, Jingxiu District, Baoding City, Hebei Province Patentee after: Hebei Xingrun Automobile Chassis System Manufacturing Co.,Ltd. Address before: 071000 plant, No. 860, Jianguo Road, Fuchang Township, Jingxiu District, Baoding City, Hebei Province Patentee before: BAODING XINGRUN AXLE MANUFACTURING Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An electric vehicle rear axle sub assembly Effective date of registration: 20230920 Granted publication date: 20221129 Pledgee: Bank of China Limited Baoding Branch Pledgor: Hebei Xingrun Automobile Chassis System Manufacturing Co.,Ltd. Registration number: Y2023980057783 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |