CN212667097U - Rear engine room of pure electric vehicle - Google Patents
Rear engine room of pure electric vehicle Download PDFInfo
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- CN212667097U CN212667097U CN202021459965.4U CN202021459965U CN212667097U CN 212667097 U CN212667097 U CN 212667097U CN 202021459965 U CN202021459965 U CN 202021459965U CN 212667097 U CN212667097 U CN 212667097U
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Abstract
The utility model relates to a vehicle manufacturing technical field discloses a pure electric vehicles's back cabin, include: a power assembly; the rear suspension assembly comprises a rear auxiliary frame, and a driving motor and a speed reducer of the power assembly are connected to the rear auxiliary frame through a suspension system; a bottom guard plate connected to the rear sub-frame; the power assembly and the rear auxiliary frame are arranged in the cavity; be equipped with maintenance apron subassembly on the floor, the damping plate clamp in the maintenance apron subassembly is located between apron body and the apron reinforcing plate, and lower sound insulation pad clamp is located between apron reinforcing plate and the floor. The rear engine room of the pure electric automobile has good sound insulation effect, is beneficial to improving the riding comfort of the automobile, can reduce the encroachment of a power assembly on a passenger cabin and a luggage cabin, and improves the assembly efficiency, the maintenance convenience and the collision safety of parts of the rear engine room.
Description
Technical Field
The utility model relates to a vehicle manufacturing technical field especially relates to a pure electric vehicles's back cabin.
Background
With the continuous attention of people on environmental protection, the pure electric vehicle is gradually paid attention to by people with the advantage of zero emission. In addition, the pure electric vehicle has the advantages of low noise, low traveling cost and the like, and is gradually favored by people.
In a pure electric four-wheel drive vehicle, a frame is usually arranged at the rear wheel of the pure electric vehicle, and a driving motor is connected to the frame through a suspension system to provide power for the rear wheel of the vehicle. However, in order to install the driving motor and the attached speed reducer, the pure electric four-wheel drive vehicle usually has the problem of occupying the passenger compartment and the luggage compartment, so that the available space of the vehicle is small. Moreover, generally, in order to reduce the manufacturing cost, the structure of the rear floor and the maintenance cover thereon is generally simple, and noise generated when the vehicle runs is easily transmitted into the passenger compartment, which affects the riding comfort of the whole vehicle.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pure electric vehicles's back cabin, this pure electric vehicles's back cabin not only sound insulation is effectual, is favorable to improving the travelling comfort of taking of vehicle, and can reduce encroaching of power assembly to passenger cabin and luggage compartment, improves assembly efficiency, easy maintenance nature and the collision security of back cabin part.
To achieve the purpose, the utility model adopts the following technical proposal:
a rear compartment of a pure electric vehicle, comprising:
the power assembly comprises a driving motor and a speed reducer, wherein an input shaft and an output shaft of the speed reducer are coaxially arranged, and the input shaft of the speed reducer is coaxially connected to the output shaft of the driving motor;
the rear suspension assembly comprises a rear auxiliary frame, and the driving motor and the speed reducer are both connected to the rear auxiliary frame through a suspension system;
the bottom guard plate is connected to the rear auxiliary frame;
the bottom guard plate and the rear auxiliary frame are connected to the floor, a cavity is formed between the bottom guard plate and the floor, and the power assembly and the rear auxiliary frame are arranged in the cavity; the utility model discloses a floor, including apron body, apron reinforcing plate, damping plate, lower sound insulation pad, the apron upper cover is equipped with maintenance apron subassembly, maintenance apron subassembly includes apron body, apron reinforcing plate, damping plate and lower sound insulation pad, the damping plate presss from both sides to be located the apron body with between the apron reinforcing plate, lower sound insulation pad presss from both sides to be located the apron reinforcing plate with between the floor.
Preferably, the maintenance cover plate assembly further comprises an upper sound insulation pad, and the upper sound insulation pad is covered on the cover plate body.
Preferably, the suspension system includes a first suspension, a second suspension, and a third suspension, the first suspension, the second suspension, and the third suspension are disposed on the rear subframe, the speed reducer is connected to the rear subframe through the first suspension, and the driving motor is connected to the rear subframe through the second suspension and the third suspension.
Preferably, the suspension system further includes a first suspension bracket, a second suspension bracket and a third suspension bracket, two ends of the first suspension bracket are respectively connected to the first suspension and the speed reducer, two ends of the second suspension bracket are respectively connected to the second suspension and the driving motor, and two ends of the third suspension bracket are respectively connected to the third suspension and the driving motor.
Preferably, the rear suspension assembly further comprises a steering knuckle, a brake, a trailing arm assembly and a control arm assembly, the control arm assembly comprises a lower control arm, a toe-in control arm and an upper control arm, the steering knuckle is connected with the rear subframe through the lower control arm, the toe-in control arm and the upper control arm, the brake and the trailing arm assembly are connected to the steering knuckle, and the rear subframe and the trailing arm assembly are connected to a vehicle body longitudinal beam.
Preferably, the rear suspension assembly further includes a coil spring connected between the body rail and the lower control arm.
Preferably, the rear suspension assembly further includes a pad, and both ends of the coil spring are connected to the body side member and the lower control arm through the pad, respectively.
Preferably, the rear suspension assembly further includes a stabilizer bar assembly, both ends of the stabilizer bar assembly are connected to the trailing arm assembly, and a middle portion of the stabilizer bar assembly is connected to the rear sub-frame.
Preferably, the rear suspension assembly further includes a strut, a lower portion of the strut being connected to the knuckle, and an upper portion of the strut being connected to the body side member.
Preferably, the bottom guard plate is provided with a reinforcing rib, and the reinforcing rib is arranged on the bottom surface of the bottom guard plate.
The utility model has the advantages that:
the utility model provides a pure electric vehicles's back cabin, this pure electric vehicles's back cabin include power assembly, back suspension assembly, end backplate and floor, and power assembly connects on back suspension assembly, forms the cavity between end backplate and the floor, and power assembly and back suspension assembly are installed in the cavity. Be equipped with maintenance apron subassembly on the floor, maintenance apron subassembly is including apron body, apron reinforcing plate, damping plate and lower sound insulation pad, and the damping plate presss from both sides and locates between apron body and the apron reinforcing plate, and lower sound insulation pad presss from both sides and locates between apron reinforcing plate and the floor for when maintenance plate subassembly lid was located on the maintenance mouth, can reduce the vibration and the noise that spread into passenger cabin into, can promote the riding comfort of whole car. In addition, the output shaft of the driving motor in the power assembly is coaxially connected with the input shaft of the speed reducer, and the input shaft of the speed reducer and the output shaft of the speed reducer are coaxially arranged, so that the power assembly is compact in structure, the invasion of the power assembly to the space of a passenger compartment and a luggage compartment is reduced, the distance between the power assembly and the rear auxiliary frame is large, a large deformation space is provided for collision, and the collision safety of a vehicle is improved.
Drawings
Fig. 1 is a schematic perspective view of a rear cabin of a pure electric vehicle according to an embodiment of the present invention, with a floor removed;
fig. 2 is a schematic perspective view of a power assembly in a rear cabin of a pure electric vehicle according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a rear suspension assembly in a rear cabin of a pure electric vehicle according to an embodiment of the present invention;
fig. 4 is a schematic perspective view of a floor in a rear cabin of a pure electric vehicle according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a maintenance cover plate assembly in a rear cabin of a pure electric vehicle according to an embodiment of the present invention.
In the figure:
1. a power assembly; 11. a drive motor; 12. a speed reducer; 13. a controller; 2. a rear suspension assembly; 21. a rear subframe; 22. a knuckle; 23. a brake; 24. a trailing arm assembly; 25. a control arm assembly; 251. a lower control arm; 252. a toe-in control arm; 253. an upper control arm; 26. a coil spring; 27. a liner; 28. a stabilizer bar assembly; 281. a bushing; 29. a traveler; 3. a suspension system; 31. a first suspension; 32. a second suspension; 33. a third suspension; 34. a first suspension bracket; 35. a second suspension bracket; 36. a third suspension bracket; 4. a bottom guard plate; 5. a floor; 6. maintaining the cover plate assembly; 61. a cover plate body; 62. a cover plate reinforcing plate; 63. a damping plate; 64. a lower sound insulating pad; 65. an upper sound insulation pad; 66. and reinforcing the beam.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solution of the present invention is further explained by the specific embodiments with reference to the drawings.
The utility model provides a pure electric vehicles's back cabin, as shown in fig. 1-5, this pure electric vehicles's back cabin includes power assembly 1, back suspension assembly 2, suspension system 3, end backplate 4 and floor 5, power assembly 1 connects on back suspension assembly 2 through suspension system 3, end backplate 4 connects on back suspension assembly 2, floor 5 connects in automobile body longeron, end backplate 4 is connected with floor 5 and forms the cavity between the two, power assembly 1 and back suspension assembly 2 are arranged in the cavity, back suspension assembly 2 connects on automobile body longeron, make power assembly 1 can form the partial shipment assembly with back suspension assembly 2 and install again on automobile body longeron, can improve assembly efficiency, be favorable to improving pure electric vehicles's production efficiency.
Specifically, as shown in fig. 2, the powertrain 1 includes a driving motor 11 and a speed reducer 12, an input shaft and an output shaft of the speed reducer 12 are coaxially disposed, and an input shaft of the speed reducer 12 is coaxially connected to the output shaft of the driving motor 11, so that the connection structure between the driving motor 11 and the speed reducer 12 is compact, and not only can the space occupied by the powertrain 1 in the passenger compartment and the luggage compartment be reduced, but also the distance between the powertrain 1 and the rear suspension assembly 2 is relatively large, so that a larger deformation space can be provided for collision, and the collision safety of the vehicle can be improved. Preferably, the powertrain 1 further includes a controller 13, and the controller 13 is disposed above the driving motor 11, and specifically, the controller 13 is fixed to the driving motor 11 by four bolts.
Preferably, the bottom protection plate 4 is provided with a reinforcing rib, and the reinforcing rib is arranged on the bottom surface of the bottom protection plate 4, so that the strength of the bottom protection plate 4 is improved. More preferably, the bottom guard plate 4 is provided with a water outlet, so that water on the bottom guard plate 4 can be discharged from the water outlet in time when the vehicle wades, and the bottom guard plate 4 is prevented from cracking or being failed in connection due to accumulated water.
In this embodiment, all the water pipe joints and the wire harness joints of the power assembly 1 are disposed in the visible area, so as to facilitate subsequent maintenance of the power assembly 1. As shown in fig. 4, the maintenance cover plate assembly 6 is disposed on the maintenance opening of the floor 5, so that the power assembly 1 can be maintained conveniently, and the maintenance convenience can be improved. Preferably, as shown in fig. 5, the maintenance cover plate assembly 6 includes a cover plate body 61, a cover plate reinforcing plate 62, a damping plate 63 and a lower sound insulation pad 64, the damping plate 63 is sandwiched between the cover plate body 61 and the cover plate reinforcing plate 62, the cover plate reinforcing plate 62 is connected to the maintenance opening of the floor panel 5, and the lower sound insulation pad 64 is sandwiched between the cover plate reinforcing plate 62 and the floor panel 5, so that the maintenance cover plate assembly 6 can reduce vibration and noise transmitted into the passenger compartment, and is beneficial to improving the riding comfort of the whole vehicle.
More preferably, the maintenance cover assembly 6 further includes an upper soundproof pad 65, and the upper soundproof pad 65 is covered on the cover body 61, so that the vibration and noise transmitted into the passenger compartment through the maintenance opening can be further reduced. Specifically, the maintenance cover assembly 6 further includes a reinforcement beam 66, and the reinforcement beam 66 is connected to the cover reinforcement plate 62, and can enhance the strength of the maintenance cover assembly 6 together with the cover reinforcement plate 62.
In the present embodiment, as shown in fig. 3, the rear suspension assembly 2 includes a rear subframe 21, and the driving motor 11 and the speed reducer 12 are connected to the rear subframe 21 through the suspension system 3, so as to be connected to the rear suspension assembly 2. Preferably, the rear suspension assembly 2 further comprises a knuckle 22, a brake 23, a trailing arm assembly 24 and a control arm assembly 25, the control arm assembly 25 comprises a lower control arm 251, a toe control arm 252 and an upper control arm 253, the knuckle 22 is connected with the rear subframe 21 through the lower control arm 251, the toe control arm 252 and the upper control arm 253, the brake 23 and the trailing arm assembly 24 are fixedly connected to the knuckle 22, and the rear subframe 21 and the trailing arm assembly 24 are connected to a vehicle body longitudinal beam. Specifically, the trailing arm assembly 24 is inserted through the floor panel 5 and connected to the vehicle body side members by eight bolts, and the rear sub-frame 21 is inserted through the floor panel 5 and connected to the vehicle body side members by four bolts.
Preferably, the rear suspension assembly 2 further comprises a coil spring 26, and the coil spring 26 is connected between the vehicle body longitudinal beam and the lower control arm 251, so that the vibration damping performance between the vehicle body and the rear suspension assembly 2 is ensured. More preferably, the rear suspension assembly 2 further comprises a pad 27, and two ends of the coil spring 26 are respectively connected to the vehicle body longitudinal beam and the lower control arm 251 through the pad 27, so that not only is the positioning of the coil spring 26 facilitated, but also the damage of the coil spring 26 to the vehicle body longitudinal beam and the lower control arm 251 is reduced. In the present embodiment, the rear suspension assembly 2 further includes the strut 29, and the lower portion of the strut 29 is fixedly connected to the knuckle 22, and the upper portion of the strut 29 is fixed to the vehicle body side member, so that the vibration received by the knuckle 22 can be further absorbed, and the riding comfort in the passenger compartment can be improved.
In this embodiment, the rear suspension assembly 2 further includes a stabilizer bar assembly 28, two ends of the stabilizer bar assembly 28 are fixedly connected to the trailing arm assembly 24, and a middle portion of the stabilizer bar assembly 28 is fixedly connected to the rear subframe 21 through a bushing 281, so as to connect the stabilizer bar assembly 28 and the rear subframe 21.
Preferably, the suspension system 3 includes a first suspension 31, a second suspension 32 and a third suspension 33, the first suspension 31 and the second suspension 32 are welded on the rear subframe 21, the third suspension 33 is connected to the rear subframe 21 through bolts, the speed reducer 12 is connected to the rear subframe 21 through the first suspension 31, and the driving motor 11 is connected to the rear subframe 21 through the second suspension 32 and the third suspension 33, which is beneficial to reducing the vibration transmitted from the driving motor 11 and the speed reducer 12 to the vehicle body, thereby improving the riding comfort of the passenger compartment.
In this embodiment, the suspension system 3 further includes a first suspension bracket 34, a second suspension bracket 35 and a third suspension bracket 36, the first suspension bracket 34 is connected to the housing of the speed reducer 12, the first suspension 31 is bolted to the speed reducer 12 through the first suspension bracket 34, the second suspension bracket 35 and the third suspension bracket 36 are connected to the housing of the driving motor 11, the second suspension 32 is bolted to the driving motor 11 through the second suspension bracket 35, and the third suspension 33 is bolted to the driving motor 11 through the third suspension bracket 36, so that the suspension system 3 can play roles of stably supporting and damping vibration excitation for the powertrain 1.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A pure electric vehicles's rear engine room characterized in that includes:
the power assembly (1) comprises a driving motor (11) and a speed reducer (12), an input shaft and an output shaft of the speed reducer (12) are coaxially arranged, and the input shaft of the speed reducer (12) is coaxially connected to the output shaft of the driving motor (11);
the rear suspension assembly (2) comprises a rear auxiliary frame (21), and the driving motor (11) and the speed reducer (12) are connected to the rear auxiliary frame (21) through a suspension system (3);
the bottom guard plate (4), the said bottom guard plate (4) is connected to said back sub-frame (21);
the floor (5), the bottom guard plate (4) and the rear auxiliary frame (21) are connected to the floor (5), a cavity is formed between the bottom guard plate (4) and the floor (5), and the power assembly (1) and the rear auxiliary frame (21) are arranged in the cavity; be equipped with maintenance apron subassembly (6) on floor (5), maintenance apron subassembly (6) are including apron body (61), apron reinforcing plate (62), damping plate (63) and lower acoustic pad (64), damping plate (63) press from both sides and locate apron body (61) with between apron reinforcing plate (62), acoustic pad (64) press from both sides and locate down apron reinforcing plate (62) with between floor (5).
2. The rear cabin of the pure electric vehicle according to claim 1, characterized in that the service cover plate assembly (6) further comprises an upper sound insulation pad (65), and the upper sound insulation pad (65) is covered on the cover plate body (61).
3. The rear nacelle of a pure electric vehicle according to claim 1, wherein the suspension system (3) comprises a first suspension (31), a second suspension (32) and a third suspension (33), the first suspension (31), the second suspension (32) and the third suspension (33) are all arranged on the rear subframe (21), the speed reducer (12) is connected to the rear subframe (21) through the first suspension (31), and the driving motor (11) is connected to the rear subframe (21) through the second suspension (32) and the third suspension (33).
4. The rear cabin of a pure electric vehicle according to claim 3, wherein the suspension system (3) further comprises a first suspension bracket (34), a second suspension bracket (35) and a third suspension bracket (36), wherein two ends of the first suspension bracket (34) are respectively connected to the first suspension (31) and the speed reducer (12), two ends of the second suspension bracket (35) are respectively connected to the second suspension (32) and the driving motor (11), and two ends of the third suspension bracket (36) are respectively connected to the third suspension (33) and the driving motor (11).
5. The rear cabin of the pure electric vehicle according to claim 1, characterized in that the rear suspension assembly (2) further comprises a knuckle (22), a brake (23), a trailing arm assembly (24) and a control arm assembly (25), the control arm assembly (25) comprises a lower control arm (251), a toe control arm (252) and an upper control arm (253), the knuckle (22) is connected with the rear sub-frame (21) through the lower control arm (251), the toe control arm (252) and the upper control arm (253), the brake (23) and the trailing arm assembly (24) are connected to the knuckle (22), and the rear sub-frame (21) and the trailing arm assembly (24) are connected to a body side rail.
6. Rear nacelle of a pure electric vehicle according to claim 5, characterized in that the rear suspension assembly (2) further comprises a helical spring (26), the helical spring (26) being connected between the body longitudinal beam and the lower control arm (251).
7. Rear nacelle of a pure electric vehicle according to claim 6, characterized in that the rear suspension assembly (2) further comprises a pad (27), and both ends of the coil spring (26) are connected to the body side member and the lower control arm (251) through the pad (27), respectively.
8. The rear cabin of the pure electric vehicle as claimed in claim 5, wherein the rear suspension assembly (2) further comprises a stabilizer bar assembly (28), two ends of the stabilizer bar assembly (28) are connected to the trailing arm assembly (24), and a middle portion of the stabilizer bar assembly (28) is connected to the rear sub-frame (21).
9. Rear nacelle of a pure electric vehicle according to claim 5, characterized in that the rear suspension assembly (2) further comprises a strut (29), the lower part of the strut (29) being connected to the knuckle (22), and the upper part of the strut (29) being connected to the body side member.
10. The pure electric vehicle rear cabin according to claim 1, characterized in that a reinforcing rib is arranged on the bottom guard plate (4), and the reinforcing rib is arranged on the bottom surface of the bottom guard plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021459965.4U CN212667097U (en) | 2020-07-22 | 2020-07-22 | Rear engine room of pure electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021459965.4U CN212667097U (en) | 2020-07-22 | 2020-07-22 | Rear engine room of pure electric vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN212667097U true CN212667097U (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021459965.4U Active CN212667097U (en) | 2020-07-22 | 2020-07-22 | Rear engine room of pure electric vehicle |
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| Country | Link |
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| CN (1) | CN212667097U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118494620A (en) * | 2024-07-17 | 2024-08-16 | 比亚迪股份有限公司 | Rear floor assembly and vehicle |
-
2020
- 2020-07-22 CN CN202021459965.4U patent/CN212667097U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118494620A (en) * | 2024-07-17 | 2024-08-16 | 比亚迪股份有限公司 | Rear floor assembly and vehicle |
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