CN117183636A - Electric automobile lightweight trailing arm assembly and electric motor car thereof - Google Patents
Electric automobile lightweight trailing arm assembly and electric motor car thereof Download PDFInfo
- Publication number
- CN117183636A CN117183636A CN202311305607.6A CN202311305607A CN117183636A CN 117183636 A CN117183636 A CN 117183636A CN 202311305607 A CN202311305607 A CN 202311305607A CN 117183636 A CN117183636 A CN 117183636A
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- trailing arm
- mounting
- main body
- ring
- electric
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- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 230000017525 heat dissipation Effects 0.000 claims abstract description 4
- 239000000725 suspension Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010257 thawing Methods 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims description 2
- 238000005286 illumination Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 8
- 230000002265 prevention Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 22
- 238000001816 cooling Methods 0.000 description 9
- 238000005299 abrasion Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- 238000012546 transfer Methods 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention relates to an electric automobile lightweight trailing arm assembly and an electric automobile thereof, which comprise a trailing arm main body, wherein the trailing arm main body comprises a support middle part, two ends of the support middle part are respectively provided with a first connecting end part and a second connecting end part, a detection mechanism for monitoring the trailing arm main body is arranged in the middle of the support middle part, a protection mechanism for heat dissipation and dust prevention protection of a bushing is arranged at the second connecting end part, a concave rib is arranged in the support middle part, and a first mounting hole is formed in the support middle part; the detection mechanism arranged on the trailing arm main body ensures that the contact head of the second mounting arm is always attached to the surface of the trailing arm main body through the torsion spring, the trailing arm main body vibrates and automatically adjusts amplitude along with the movement of the electric vehicle, the second mounting arm synchronously rotates, the cooperation angle sensor detects the trailing arm main body in real time, the condition of using the trailing arm main body is convenient to know quickly and conveniently, and the phenomenon that potential safety hazards are found untimely is avoided.
Description
Technical Field
The invention relates to the technical field of electric automobile parts, in particular to an electric automobile lightweight trailing arm assembly and an electric automobile thereof.
Background
The electric automobile is a vehicle which uses a vehicle-mounted power supply as power and uses a motor to drive wheels to run, meets various requirements of road traffic and safety regulations, and is increasingly popular with the development of society; in order to meet the requirements of people on vehicle control stability, driving comfort and driving safety, the application of the multi-link independent suspension on a vehicle chassis is gradually increased, wherein the performance of the independent suspension mainly depends on the design of a trailing arm structure in the suspension.
The existing trailing arm assembly is designed in a lightweight manner, but in the long-time automobile form process, the condition that the trailing arm is easy to break or bend due to torsion and fatigue affects the normal use of an electric automobile, and in the driving process, a driver cannot perceive the trailing arm assembly at the first time, so that potential safety hazards are caused in driving;
simultaneously, the trailing arm is connected with the vehicle chassis through the bush in a matched manner, the bottom of the automobile chassis is exposed to the air through the bush, dust and impurities are easy to adhere to the bush in the form process of the electric automobile, and are easy to transfer to between the bush and the trailing arm along with the time, the surface of the bush is damaged in friction, finally abrasion and abrasion are caused, a large amount of heat is generated by the bush and the trailing arm in continuous friction, and the abrasion resistance and the elasticity of the bush made of rubber material are poorer and worse along with the rising of the temperature, so that the positive production use of the bush is affected.
Disclosure of Invention
The invention solves the problems that the conventional longitudinal arm assembly is designed in a lightweight way, but in the long-time automobile form process, the longitudinal arm is easy to break or bend due to torsion and fatigue, so that the normal use of the electric automobile is affected, and in the driving process, a driver cannot perceive the longitudinal arm assembly at the first time, so that potential safety hazards are caused in driving; simultaneously, the trailing arm is connected with the vehicle chassis through the bush in a matched manner, the bottom of the automobile chassis is exposed to the air through the bush, dust and impurities are easy to adhere to the bush in the form process of the electric automobile, and are easy to transfer to between the bush and the trailing arm along with the time, the surface of the bush is damaged in friction, finally abrasion and abrasion are caused, a large amount of heat is generated by the bush and the trailing arm in continuous friction, and the abrasion resistance and the elasticity of the bush made of rubber material are poorer and worse along with the rising of the temperature, so that the technical problem of the normal production use of the bush is affected.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides an electric automobile lightweight trailing arm assembly, includes the trailing arm main part, the trailing arm main part is including supporting the middle part, it sets up to first connection tip and second connection tip respectively to support the middle part both ends, it is used for the detection mechanism of trailing arm main part monitoring to support middle part mid-mounting, protection machanism that is used for the dustproof protection of bush heat dissipation is installed to the second connection tip.
Preferably, the support middle part is provided with a concave rib, and the support middle part is provided with a first mounting hole.
Preferably, the first connecting end part is provided with a second mounting hole for mounting, the second connecting end part is provided with a ring sleeve, a bushing is mounted in the ring sleeve, and a bolt column is mounted in the bushing in a penetrating manner.
Preferably, the protection mechanism comprises a first mounting arm and a second mounting arm, the first mounting arm and the second mounting arm are rotatably mounted, one end of the first mounting arm is provided with a ring seat, a bolt penetrates through the ring seat and the first mounting hole to be connected with a nut, and one end of the second mounting arm is provided with a contact head contacted with the longitudinal arm main body.
Preferably, the angle sensor is installed on the top side of the other end of the first installation arm, the baffle ring seat is arranged on the bottom side of the other end of the first installation arm, the other end of the second installation arm is positioned in the baffle ring seat, the output end of the angle sensor is provided with a rotating shaft, and the rotating shaft penetrates through the other end of the first installation arm and is fixedly connected with the other end of the second installation arm.
Preferably, a torsion spring is sleeved outside the rotating shaft, and two ends of the torsion spring are respectively connected with the other end of the first mounting arm and the other end of the second mounting arm.
Preferably, the protection mechanism comprises two ring covers sleeved outside the ring cover, a rubber sleeve in contact with the ring cover is arranged on the inner side of the ring cover, a plurality of supporting arms are arranged on the outer side of the ring cover in a constant angle mode, the supporting arms are connected with the fixing rings, and the fixing rings are fixedly sleeved on the bolt posts.
Preferably, a plurality of arc grooves are formed between the support arms and the ring cover, and arc filter plates are arranged outside the arc grooves,
preferably, the inner wall of the ring cover is provided with a heat conducting ring, a heat exchange cavity is formed in the ring cover, and the heat exchange cavity is communicated with two liquid nozzles arranged on the outer side of the ring cover.
An electric vehicle comprising an electric vehicle body, a power module for providing driving electric energy to an electric motor, monitoring the use condition of the power supply and controlling a charger to charge a storage battery, an electric driving module for efficiently converting the electric energy stored in the storage battery into the kinetic energy of wheels and converting the kinetic energy of the wheels into the electric energy to charge the storage battery when the vehicle is braked at a reduced speed, a suspension module for damping, an auxiliary module and a trailing arm assembly applied to any one of claims 1 to 9, wherein the auxiliary module realizes the functions of an auxiliary power source, power steering, navigation, an air conditioner, illumination, defrosting, a wiper, a radio and the like, and the trailing arm assembly is mounted between the suspension module and a chassis of the electric vehicle body.
The beneficial effects of the invention are as follows: the detection mechanism is arranged on the trailing arm main body, the contact head of the second installation arm is always attached to the surface of the trailing arm main body through the torsion spring, the trailing arm main body vibrates and automatically adjusts amplitude along with the movement of the electric vehicle, the second installation arm synchronously rotates, the trailing arm main body is detected in real time by matching with the angle sensor, the use condition of the trailing arm main body is conveniently and rapidly known, and the fact that potential safety hazards are discovered untimely is avoided;
when the bushing is assembled with the annular sleeve of the longitudinal arm main body, the protection mechanism is sleeved outside the annular sleeve and the bushing, the rubber annular sleeve of the annular cover is contacted with the outer wall of the annular sleeve, dust and impurities are prevented from being adhered to the bushing through the arc-shaped filter plate arranged on the annular cover, and the abrasion aggravation of the bushing caused by the influence of the impurities and the dust is avoided;
the refrigerating fluid rotates in the heat exchange cavity in the ring cover sleeved on the outer side of the bushing, exchanges heat with the bushing and air in the ring cover through the heat conduction ring, can play a role in temperature regulation on the bushing, and ensures that the bushing has good elasticity and wear resistance for a long time.
Drawings
FIG. 1 is a schematic view of an electric vehicle according to the present invention;
FIG. 2 is a schematic view of the trailing arm body and suspension module configuration of the present invention;
FIG. 3 is a schematic view of the main structure of the trailing arm according to the present invention;
FIG. 4 is a schematic diagram of a detection mechanism according to the present invention;
FIG. 5 is an enlarged view of a portion of the area A of FIG. 4 in accordance with the present invention;
fig. 6 is a cross-sectional view of the ring cover of the present invention.
Legend description:
1. an electric vehicle main body; 2. a trailing arm body; 3. a support middle part; 4. a first connection end; 5. a second connection end; 6. concave ribs; 7. a first mounting hole; 8. a detection mechanism; 9. a second mounting hole; 10. a ring sleeve; 11. a bushing; 12. a bolt post; 13. a protection mechanism; 14. a first mounting arm; 15. a second mounting arm; 16. an angle sensor; 17. a rotating shaft; 18. a contact; 19. a ring seat; 20. a baffle ring seat; 21. a torsion spring; 22. a ring cover; 23. a support arm; 24. a fixing ring; 25. an arc-shaped filter plate; 26. a rubber ring sleeve; 27. a heat conducting ring; 28. a heat exchange cavity; 29. and a liquid nozzle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Specific examples are given below.
Referring to fig. 1, an electric vehicle includes an electric vehicle body 1, a power module for supplying driving power to a motor, monitoring a power usage condition, and controlling a charger to charge a battery, an electric driving module for efficiently converting power stored in the battery into kinetic energy of wheels and capable of converting the kinetic energy of the wheels into electric energy to charge the battery when the vehicle is braked at a reduced speed, a suspension module for performing shock absorption, an auxiliary module for implementing functions of an auxiliary power source, power steering, navigation, an air conditioner, lighting, defrosting, a wiper, a radio, and the like, and a trailing arm assembly mounted between the suspension module and a chassis of the electric vehicle body 1
Referring to fig. 2 and 3, an electric automobile lightweight trailing arm assembly comprises a trailing arm main body 2, the trailing arm main body 2 comprises a supporting middle part 3, two ends of the supporting middle part 3 are respectively provided with a first connecting end part 4 and a second connecting end part 5, the supporting middle part 3 is provided with a concave rib 6, the integral strength of the trailing arm main body 2 is ensured, a first mounting hole 7 is formed in the supporting middle part 3, the quick mounting of a detection mechanism 8 is conveniently realized, a second mounting hole 9 for mounting is formed in the first connecting end part 4, the first connecting end part 4 is conveniently mounted with a suspension module through bolts and the second mounting hole 9, a ring sleeve 10 is arranged on the second connecting end part 5, a bushing 11 is mounted in the ring sleeve 10, a bolt column 12 is installed in the bushing 11 in a penetrating manner, and at the moment, the mounting connection is carried out with a chassis of the electric automobile main body 1 through the bolt column 12;
referring to fig. 4 and 5, the middle part of the support middle part 3 is provided with a detection mechanism 8 for monitoring the trailing arm main body 2, the protection mechanism 13 comprises a first installation arm 14 and a second installation arm 15, the first installation arm 14 and the second installation arm 15 are rotatably installed, one end of the first installation arm 14 is provided with a ring seat 19, a bolt penetrates through the ring seat 19 and the first installation hole 7 to be connected with a nut, the fixed connection between the first installation arm 14 and the trailing arm main body 2 is realized, the protection mechanism 13 is convenient to disassemble and assemble, one end of the second installation arm 15 is provided with a contact head 18 contacted with the trailing arm main body 2, the top side of the other end of the first installation arm 14 is provided with an angle sensor 16, the angle sensor 16 is electrically connected with an auxiliary module, the bottom side of the other end of the first installation arm 14 is provided with a baffle ring seat 20, the other end of the second installation arm 15 is positioned in the baffle ring seat 20, the output end of the angle sensor 16 is provided with a rotating shaft 17, the rotating shaft 17 penetrates through the other end of the first mounting arm 14 and is fixedly connected with the other end of the second mounting arm 15, a torsion spring 21 is sleeved outside the rotating shaft 17, two ends of the torsion spring 21 are respectively connected with the other end of the first mounting arm 14 and the other end of the second mounting arm 15, the first mounting arm 14 and the second mounting arm 15 are elastically connected through the torsion spring 21 and the rotating shaft 17, the second mounting arm 15 is conveniently attached to the side wall of the longitudinal arm main body 2, along with the deformation of the longitudinal arm main body 2, the second mounting arm 15 is always contacted with the side wall of the longitudinal arm main body 2 to drive the rotating shaft 17 to rotate, the rotating angle of the second mounting arm 15 is transmitted to an auxiliary module through an angle sensor 16, when the longitudinal arm main body 2 is normally used, the rotating angle value of the second mounting arm 15 is in a reasonable range at the moment, when the longitudinal arm main body 2 has a problem, the rotating angle value of the second mounting arm 15 at the moment exceeds the reasonable range, the auxiliary module needs to perform early warning, and the trailing arm main body 2 is inspected, maintained and replaced.
Referring to fig. 3 and 6, the second connection end 5 is provided with a protection mechanism 13 for heat dissipation and dust prevention protection of the bushing 11, the protection mechanism 13 comprises two ring covers 22 sleeved outside the ring cover 10, the inner side of the ring cover 22 is provided with a rubber sleeve 26 in contact with the ring cover 10, the outer side of the ring cover 22 is provided with a plurality of support arms 23 in equal angles, the support arms 23 are connected with a fixed ring 24, the fixed ring 24 is fixedly sleeved on the bolt column 12, the protection mechanism 13 and the bolt column 12 are convenient to quickly assemble, a plurality of arc-shaped grooves are formed between the plurality of support arms 23 and the ring cover 22, an arc-shaped filter plate 25 is arranged outside the arc-shaped grooves, the connection between the ring cover 22 and the fixed ring 24 is realized through the support arms 23, the arc-shaped grooves between the support arms 23 are convenient for air circulation inside and outside the ring cover 22, the transfer of internal heat is guaranteed, and simultaneously the arc-shaped filter plate 25 on the arc-shaped grooves are used for blocking external dust and impurities when the air circulates;
the inner wall of the ring cover 22 is provided with a heat conducting ring 27, a heat exchange cavity 28 is formed in the ring cover 22, the heat exchange cavity 28 is communicated with two liquid nozzles 29 arranged on the outer side of the ring cover 22, the liquid nozzles 29 are connected with a liquid cooling pipeline of the electric vehicle, refrigeration liquid circulation in the heat exchange cavity 28 is achieved, heat conduction and heat exchange are carried out through the heat conducting ring 27, and the temperature in the ring cover 22 and the temperature of the lining 11 are reduced.
The electric car is characterized in that a longitudinal arm assembly is assembled with a suspension module and a chassis of the electric car body 1, after the electric car is installed, a fixing ring 24 of a protection mechanism 13 is installed on a bolt column 12, a ring cover 22 covers the outer end of a lining 11, at the moment, the ring cover 22 is attached to the ring cover 10 through a rubber ring sleeve 26 of an inner side wall, the electric car is installed on the outer side of the ring cover 22 through an arc-shaped filter plate 25, air in the ring cover 10 is convenient to filter, dust and impurities are prevented from being attached to the lining 11, a detection mechanism 8 is installed at a first installation hole 7 of the longitudinal arm body 2, a contact head 18 of the first installation arm 14 and a second installation arm 15 are elastically connected through a torsion spring 21, the contact head 18 of the second installation arm 15 is always attached to the longitudinal arm body 2, the longitudinal arm body 2 is monitored in real time, when the longitudinal arm body 2 is bent or broken, at the moment, the longitudinal arm body 2 is vibrated and the automatic adjustment amplitude is changed in the running process, the rotating angle of the longitudinal arm body is convenient to change, data are prevented from being transmitted to the lining 11 through a rotating shaft 17 and an angle sensor 16, and the electric car is simultaneously, the electric car is gradually cooled through the heat exchange tube body is connected with the heat exchange tube 11, and the cooling liquid is gradually cooled through the heat exchange tube 11, and the cooling tube is cooled through the lining 11, and the cooling tube is cooled by the cooling tube 11 is cooled, and the cooling tube is cooled by the cooling tube 11, and the cooling tube is cooled by the cooling tube and the cooling tube is cooled.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides an electric automobile lightweight trailing arm assembly, its characterized in that, includes trailing arm main part (2), trailing arm main part (2) are including supporting middle part (3), support middle part (3) both ends set up respectively to first connection tip (4) and second connection tip (5), support detection mechanism (8) that middle part (3) mid-mounting is used for trailing arm main part (2) monitoring, protection machanism (13) that are used for bush (11) heat dissipation dustproof protection are installed to second connection tip (5).
2. The electric automobile lightweight trailing arm assembly according to claim 1, wherein the support middle part (3) is provided with a concave rib (6), and the support middle part (3) is provided with a first mounting hole (7).
3. The electric automobile lightweight trailing arm assembly according to claim 2, characterized in that a second mounting hole (9) for mounting is formed in the first connecting end portion (4), a ring sleeve (10) is arranged on the second connecting end portion (5), a bushing (11) is mounted in the ring sleeve (10), and a bolt column (12) is mounted in the bushing (11) in a penetrating manner.
4. An electric vehicle lightweight trailing arm assembly according to claim 3, characterized in that the protection mechanism (13) comprises a first mounting arm (14) and a second mounting arm (15), and the first mounting arm (14) and the second mounting arm (15) are rotatably mounted, one end of the first mounting arm (14) is provided with a ring seat (19), and a bolt penetrates through the ring seat (19) and the first mounting hole (7) to be connected with a nut, and one end of the second mounting arm (15) is provided with a contact head (18) contacting with the trailing arm main body (2).
5. The electric automobile lightweight trailing arm assembly according to claim 4, wherein the top side of the other end of the first mounting arm (14) is provided with an angle sensor (16), the bottom side of the other end of the first mounting arm (14) is provided with a baffle ring seat (20), the other end of the second mounting arm (15) is located in the baffle ring seat (20), the output end of the angle sensor (16) is provided with a rotating shaft (17), and the rotating shaft (17) penetrates through the other end of the first mounting arm (14) and is fixedly connected with the other end of the second mounting arm (15).
6. The electric automobile lightweight trailing arm assembly according to claim 5, characterized in that the outer side of the rotating shaft (17) is sleeved with a torsion spring (21), and two ends of the torsion spring (21) are respectively connected with the other end of the first mounting arm (14) and the other end of the second mounting arm (15).
7. The electric automobile lightweight trailing arm assembly according to claim 6, characterized in that the protection mechanism (13) comprises two ring covers (22) sleeved outside the ring cover (10), a rubber sleeve (26) in contact with the ring cover (10) is arranged on the inner side of the ring cover (22), a plurality of supporting arms (23) are arranged on the outer side of the ring cover (22) at equal angles, the supporting arms (23) are connected with a fixing ring (24), and the fixing ring (24) is fixedly sleeved on the bolt column (12).
8. The electric automobile lightweight trailing arm assembly according to claim 7, characterized in that a plurality of arc grooves are formed between the plurality of support arms (23) and the ring cover (22), and arc filter plates (25) are mounted on the outer sides of the arc grooves.
9. The electric automobile lightweight trailing arm assembly according to claim 8, characterized in that a heat conducting ring (27) is arranged on the inner wall of the ring cover (22), a heat exchange cavity (28) is formed in the ring cover (22), and the heat exchange cavity (28) is communicated with two liquid nozzles (29) arranged on the outer side of the ring cover (22).
10. An electric vehicle, characterized in that the electric vehicle comprises an electric vehicle main body (1), a power module for providing driving electric energy to an electric motor, monitoring the service condition of a power supply and controlling a charger to charge a storage battery, an electric driving module for efficiently converting the electric energy stored in the storage battery into the kinetic energy of wheels and converting the kinetic energy of the wheels into the electric energy to charge the storage battery when the vehicle is braked in a decelerating manner, a suspension module for damping, an auxiliary module and a trailing arm assembly applied to any one of claims 1-9, wherein the auxiliary module realizes the functions of an auxiliary power source, power steering, navigation, an air conditioner, illumination, defrosting, a wiper, a radio and the like, and the trailing arm assembly is arranged between the suspension module and a chassis of the electric vehicle main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311305607.6A CN117183636A (en) | 2023-10-10 | 2023-10-10 | Electric automobile lightweight trailing arm assembly and electric motor car thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311305607.6A CN117183636A (en) | 2023-10-10 | 2023-10-10 | Electric automobile lightweight trailing arm assembly and electric motor car thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117183636A true CN117183636A (en) | 2023-12-08 |
Family
ID=89003495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311305607.6A Pending CN117183636A (en) | 2023-10-10 | 2023-10-10 | Electric automobile lightweight trailing arm assembly and electric motor car thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117183636A (en) |
-
2023
- 2023-10-10 CN CN202311305607.6A patent/CN117183636A/en active Pending
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