CN218877387U - Rear auxiliary frame and vehicle with same - Google Patents
Rear auxiliary frame and vehicle with same Download PDFInfo
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- CN218877387U CN218877387U CN202222900458.5U CN202222900458U CN218877387U CN 218877387 U CN218877387 U CN 218877387U CN 202222900458 U CN202222900458 U CN 202222900458U CN 218877387 U CN218877387 U CN 218877387U
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- 239000000725 suspension Substances 0.000 claims abstract description 47
- 238000005452 bending Methods 0.000 claims description 70
- 230000003014 reinforcing effect Effects 0.000 claims description 58
- 230000002787 reinforcement Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 description 23
- 230000005611 electricity Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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Abstract
The utility model discloses a back sub vehicle frame and have its vehicle, back sub vehicle frame includes: the front cross beam and the rear cross beam are arranged at intervals in the front-rear direction; the left longitudinal beam and the right longitudinal beam are arranged at intervals in the left-right direction and are respectively connected with the front cross beam and the rear cross beam; a suspension mount configured in plurality and provided on at least one of the front cross member, rear cross member, left side member, and right side member; wherein at least one of the front cross member and the rear cross member is recessed toward an interior of the rear subframe. According to the utility model discloses a back sub vehicle frame constructs for the inside sunken of sub vehicle frame after orientation through the middle part with front beam and rear beam, has shortened the holistic length of back sub vehicle frame, has realized reducing the space of back sub vehicle frame in the vehicle and has occupied the ratio, and then increases arranging the space of battery, reaches the purpose that increases continuation of the journey mileage.
Description
Technical Field
The utility model relates to a vehicle field especially relates to a back sub vehicle frame and have its vehicle.
Background
In the related art, for a new energy vehicle, the mileage improvement of the vehicle is more and more demanding on the battery, and the improvement of the energy density of the battery is more difficult, and other structures of the vehicle body in the vehicle also have a certain compression space, so if the capacity of the battery in the vehicle is improved by compressing other parts in the vehicle, the improvement becomes a technical problem to be solved in the field.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a back sub vehicle frame, this back sub vehicle frame constructs for the inside sunken of sub vehicle frame after orientation through the middle part with front beam and rear beam, has shortened the holistic length of back sub vehicle frame, has realized reducing the space of back sub vehicle frame in the vehicle and has occupied the ratio, and then increases the space of arranging of battery, reaches the purpose that increases the continuation of the journey mileage.
The utility model discloses still provide a vehicle of sub vehicle frame after having above-mentioned.
According to the utility model discloses a back sub vehicle frame includes: the front cross beam and the rear cross beam are arranged at intervals in the front-rear direction; the left longitudinal beam and the right longitudinal beam are arranged at intervals in the left-right direction and are respectively connected with the front cross beam and the rear cross beam; a suspension mount configured in plurality and provided on at least one of the front cross member, rear cross member, left side member, and right side member; wherein at least one of the front cross member and the rear cross member is recessed toward an interior of the rear subframe.
According to the utility model discloses a back sub vehicle frame is through setting up the sunken of sub vehicle frame inside after towards on at least one in with front beam and the rear beam for the length of back sub vehicle frame totality shortens, and the front end of back sub vehicle frame can provide for the plug connector of battery package and dodge the space, and back sub vehicle frame also provides bigger space for arranging of battery simultaneously, the compact structure of back sub vehicle frame, and overall structure stability is high reliable.
According to some embodiments of the present invention, the left and right ends of the front cross member are provided with first mounting bushes, and the middle portion of the front cross member is bent toward the rear cross member to form a first avoidance space; and second mounting bushings are arranged at the left end and the right end of the rear cross beam, and the middle part of the rear cross beam is bent towards the front cross beam to form a second avoidance space.
According to some embodiments of the invention, the left longitudinal beam and the right longitudinal beam are configured as a bent beam bent in the height direction.
According to some embodiments of the present invention, the left longitudinal beam and the right longitudinal beam all include: the first bending section and the second bending section are sequentially connected in the front-back direction, and the first bending section and the second bending section are bent towards the opposite direction in the height direction respectively.
According to the utility model discloses a some embodiments, back sub vehicle frame still includes: the left longitudinal beam is arranged on the left side of the frame, the right longitudinal beam is arranged on the right side of the frame, and the first reinforcing longitudinal beam is arranged on the first bending section or the second bending section of the left longitudinal beam.
According to the utility model discloses a some embodiments, the suspension installation department set up in the first enhancement longeron of left side longeron with between the second bending section, the suspension installation department set up in the second of right side longeron strengthen the longeron with between the second bending section.
According to some embodiments of the utility model, left side longeron with be connected with horizontal stiffening beam between the right side longeron, horizontal stiffening beam set up in the front beam with between the rear frame member.
According to the utility model discloses a some embodiments, back sub vehicle frame still includes: the third reinforcing longitudinal beam and the fourth reinforcing longitudinal beam are respectively connected between the transverse reinforcing beam and the front cross beam, and are respectively arranged opposite to the left longitudinal beam and the right longitudinal beam in the height direction.
According to some embodiments of the present invention, the suspension installation part is configured as a suspension installation sleeve, which is open in the front-rear direction or the left-right direction of the sub frame.
The vehicle according to the present invention is briefly described below.
According to the utility model discloses a be provided with arbitrary one in the above-mentioned embodiment on the vehicle back sub vehicle frame, because according to the utility model discloses a be provided with the back sub vehicle frame of above-mentioned embodiment on the vehicle, consequently this vehicle has bigger battery storage space, and the continuation of the journey mileage of vehicle has obtained the promotion, and the connector of battery is pegged graft easily simultaneously, and the assembly of vehicle is more convenient, has improved the production efficiency of vehicle.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a block diagram of a rear subframe according to an embodiment of the invention;
FIG. 2 is a partial view of a rear subframe front cross member according to an embodiment of the present invention;
FIG. 3 is a partial view of the rear subframe rear cross member according to an embodiment of the present invention;
fig. 4 is a side view of a rear subframe according to an embodiment of the present invention.
Reference numerals:
a rear auxiliary frame 1;
the front cross member 11, the first mounting bush 111, the first escape space 112,
the rear cross member 12, the second mounting bushing 121,
a left longitudinal beam 13, a right longitudinal beam 14, a suspension mount 15, a first reinforcing longitudinal beam 16, a second reinforcing longitudinal beam 17, a third reinforcing longitudinal beam 18, a fourth reinforcing longitudinal beam 19, a transverse reinforcing beam 20,
a first bending section 101, a second bending section 102, a cantilever beam 103 and a subframe reinforcement 104.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
A rear subframe according to an embodiment of the present invention is described below with reference to fig. 1-4.
According to the utility model discloses a back sub vehicle frame 1 for vehicle includes front beam 11, rear frame member 12, left longeron 13, right longeron 14 and suspension installation department 15, and front beam 11 sets up with rear frame member 12 interval in the front rear direction, and left longeron 13 sets up and connects front beam 11 and rear frame member 12 respectively with right longeron 14 interval in the left right direction, and suspension installation department 15 structure be a plurality of and set up in front beam 11, rear frame member 12, left longeron 13 with on at least one in the right longeron 14, at least one orientation in front beam 11 and the rear frame member 12 the inside of sub vehicle frame is sunken.
The front cross beam 11, the rear cross beam 12, the left longitudinal beam 13 and the right longitudinal beam 14 form a main body of the rear subframe 1 for transferring stress of a suspension system, and the rear subframe 1 is constructed into a frame structure formed by the front cross beam 11, the rear cross beam 12, the left longitudinal beam 13 and the right longitudinal beam 14, so that the structural stability of the rear subframe 1 is better.
The suspension mount 15 may be used to support an electric drive of the vehicle, the suspension mount 15 being configured in plurality and provided respectively to at least one of the front cross member 11, the rear cross member 12, the left side member 13, and the right side member 14, by configuring the suspension mount 15 in plurality, so that the weight of the electric drive can be dispersed to at least one of the front cross member 11, the rear cross member 12, the left side member 13, and the right side member 14 through each of the suspension mounts 15, thereby making the overall weight of the rear sub frame 1 more balanced, contributing to improving the stability of the vehicle.
In some embodiments, at least one of the front and rear cross members 11, 12 is recessed toward the interior of the rear subframe 1; wherein, only front beam 11 is sunken towards back sub vehicle frame 1 inside to shorten back sub vehicle frame 1's length, the front end of back sub vehicle frame 1 can be used for dodging the connector of battery package simultaneously, provides bigger installation space for the battery package.
In other embodiments, only the rear cross member 12 is recessed toward the inside of the rear subframe 1, thereby shortening the length of the rear subframe 1, and the position of the rear subframe 1 in the vehicle can be moved backward as a whole due to the shortened length of the rear subframe 1, thereby providing a larger installation space for the battery pack.
In other embodiments, the front cross member 11 and the rear cross member 12 are both configured as a recess facing the inside of the rear subframe 1, so that the rear subframe 1 can reduce the overall length of the rear subframe 1, and also the rear subframe 1 has a compact structure, so that the arrangement space of the battery is increased, and meanwhile, the rear subframe can be used for avoiding the connector of the battery.
According to the utility model discloses a back sub vehicle frame 1 through set up on at least one in with front beam 11 and rear beam 12 towards the inside sunken of back sub vehicle frame 1 for the length of back sub vehicle frame 1 totality shortens, and the front end of back sub vehicle frame 1 can provide dodge the space for the plug connector of battery package, and back sub vehicle frame 1 also provides bigger space for arranging of battery simultaneously, back sub vehicle frame 1's compact structure, and overall structure stability is high reliability.
The left and right ends of the front cross member 11 are provided with first mounting bushings 111, and the first mounting bushings 111 can be used to connect the rear subframe 1 with other components of the vehicle, so that the rear subframe 1 becomes a part of the entire vehicle. The rear cross member 12 is provided at both left and right ends with second mounting bushings 121, and the second mounting bushings 121 can be used to connect the rear subframe 1 with other components of the vehicle, so that the rear subframe 1 becomes a part of the entire vehicle. Wherein, the middle parts of the front beam 11 and the rear beam 12 are both provided with a recess facing the inside of the rear subframe 1, and a first avoidance space 112 and a second avoidance space are respectively formed. Specifically, the first avoiding space 112 is used for avoiding the wire harness and the connector of the battery, so that the battery harness can be smoothly plugged. The second dodges the space and is formed by back crossbeam 12 middle part towards the inside sunken of back sub vehicle frame 1, and it can reduce the rear overhang length of vehicle, increases the departure angle of vehicle to increase whole car trafficability characteristic. Under the condition that the wheelbase of the whole vehicle is not changed, the length of the whole vehicle can be reduced by reducing the length of the rear overhang, and the passing performance of the whole vehicle is favorably improved; under the condition that the length of the whole vehicle is not changed, the rear overhang length is reduced, the wheelbase can be increased, the battery arrangement space is favorably promoted, the inter-axle space utilization rate is improved, and the endurance mileage is increased.
The left longitudinal beam 13 and the right longitudinal beam 14 are constructed into curved beams which are bent in the height direction, and the left longitudinal beam 13 and the right longitudinal beam 14 are constructed into curved beam structures which are bent in the height direction, so that the whole length of the rear auxiliary frame 1 can be shortened, the rear auxiliary frame 1 is more compact in structure, high in stability and good in reliability of the whole structure, and the purpose of increasing the arrangement space of the batteries is achieved.
The left side member 13 and the right side member 14 each include: the first bending section 101 and the second bending section 102 are sequentially connected in the front-rear direction, and the first bending section 101 and the second bending section 102 are respectively bent in the height direction in the opposite direction. The provision of two curved sections enables the length of the rear subframe 1 to be reduced without the stiffness of the left and right side members 13, 14 being too low.
Wherein, first bending section 101 is the kickup in the direction of height, transmission shaft can be avoided to first bending section 101, and simultaneously, first bending section 101 kickup can make the first installation bush 111 at both ends about front beam 11 and front beam 11 wholly move to the X axle forward, move to the rear of vehicle promptly, through the bending of first bending section 101 and second bending section 102, the whole length of back sub vehicle frame 1 has been shortened, thereby the shared space of back sub vehicle frame 1 in the vehicle has been reduced, and shorten the space that reduces through back sub vehicle frame 1 and can be used for increasing the whole car maximum electric quantity of battery size, thereby increase continuation of the journey mileage.
The second bent section 102 is bent downward in the height direction, and the arrangement of the suspension sleeve can be facilitated by the space left above by the second bent section 102 being bent downward in the height direction. A cantilever beam 103 is arranged below the second bending section 102, one end of the cantilever beam 103 is fixed below the second bending section 102, and the cantilever beam 103 is used for connecting the third reinforcing longitudinal beam 18, the fourth reinforcing longitudinal beam 19 and the transverse reinforcing beam 20. Since the second curved section 102 is curved downward in the height direction, the length of the cantilever beam 103 can be shortened, thereby increasing the lateral stiffness of the suspension.
Because the left longitudinal beam 13 and the right longitudinal beam 14 are constructed into two bending sections, the length of the left longitudinal beam 13 and the length of the right longitudinal beam 14 in the longitudinal direction are shortened, the whole length of the rear subframe 1 is shortened, the space occupation ratio of the rear subframe 1 in a vehicle is smaller, the arrangement space of a battery can be increased, and the endurance mileage is increased.
In some embodiments, the rear subframe 1 further includes a subframe reinforcement 104. The utility model discloses in, set up the sub vehicle frame between front beam 11 and left longeron 13, between front beam 11 and right longeron 14 for strengthen between front beam 11 and the left longeron 13, be connected stability between front beam 11 and the right longeron 14. Since the rear sub-frame 1 may feel loose after the vehicle travels over a long kilometer, the operability and comfort of the vehicle may be deteriorated. Through between front beam 11 and left longeron 13, set up sub vehicle frame reinforcement 104 between front beam 11 and the right longeron 14, between front beam 11 and the left longeron 13, connection stability between front beam 11 and the right longeron 14, can promote the torsional rigidity of back sub vehicle frame 1, because the torsional rigidity of back sub vehicle frame 1 promotes, the life-span of back sub vehicle frame 1 increases, even the vehicle is after the longer back of traveling of number of kilometers, loose sensation can not appear yet, the comfort, the operability still can guarantee.
In some embodiments, the rear subframe 1 further comprises: a first reinforcing stringer 16 and a second reinforcing stringer 17, wherein the first reinforcing stringer 16 is disposed at the first curved section 101 or the second curved section 102 of the left stringer 13, and the second reinforcing stringer 17 is disposed at the first curved section 101 or the second curved section 102 of the right stringer 14.
The utility model discloses a, first enhancement longeron 16 sets up in the second bending segment 102 of left longeron 13, second enhancement longeron 17 sets up on the second bending segment 102 of right longeron 14, because the bending of second bending segment 102 in the direction of height has led to weakening of second bending segment 102 intensity, the middle part of second bending segment 102 can be towards the direction of height protrusion, through connecting first enhancement longeron 16 at the second bending segment 102 of left longeron 13, the both ends of second enhancement beam connection at the second bending segment 102 of right longeron 14, thereby make first enhancement longeron 16 and the second bending segment 102 of left longeron 13, the closed construction of end to end has been formed between the second bending segment 102 of second enhancement longeron 17 and the second bending segment 102 of right longeron 14, help improving the structural strength of first enhancement longeron 16 and second enhancement longeron 17, make the longitudinal rigidity of first enhancement longeron 16 and second enhancement longeron 17 obtain promoting; the strength of the left longitudinal beam 13 and the right longitudinal beam 14 can be improved, and the longitudinal deformation resistance of the left longitudinal beam 13 and the right longitudinal beam 14 is improved, so that the left longitudinal beam 14 and the right longitudinal beam 14 are not prone to generate overlarge deformation when a vehicle collides.
In addition, since the second curved section 102 of the left side member 13 and the second curved section 102 of the right side member 14 are both curved in the height direction, the left side member 13 and the right side member 14 tend to be deformed in the height direction during a collision, and the left and right side members 14 are prevented from entering the cab and causing injury to a human body.
The suspension mount 15 is provided between the first reinforcing stringer 16 and the second curved section 102 of the left stringer 13, and the suspension mount 15 is provided between the second reinforcing stringer 17 and the second curved section 102 of the right stringer 14. And the first reinforcing longitudinal beam 16 and the second reinforcing longitudinal beam 17 are oppositely bent with respect to the second bending sections 102 of the left and right longitudinal beams 14, so that a certain space is left between the reinforcing longitudinal beams and the bending sections, which is convenient for arranging the suspension mounting part 15.
Because the first reinforcing longitudinal beam 16 is arranged on the second bending section 102 of the left longitudinal beam 13, and the second reinforcing longitudinal beam 17 is arranged on the second bending section 102 of the right longitudinal beam 14, a mounting point is provided for the suspension mounting part 15, so that the mounting of the suspension mounting part 15 can be more stable and the connection is tighter, and the reliability of the connection between the suspension mounting part 15 and the auxiliary frame can be enhanced by fixing the first reinforcing longitudinal beam and the second reinforcing longitudinal beam 17.
The suspension installation part 15 is arranged between the second bending sections 102 of the first reinforcing longitudinal beam 16 and the left longitudinal beam 13, the second reinforcing longitudinal beam 17 and the right longitudinal beam 14, because the second bending sections 102 of the first reinforcing longitudinal beam 16 and the left longitudinal beam 13 are bent towards the direction of departing from each other, the second bending sections 102 of the first reinforcing longitudinal beam 16 and the left longitudinal beam 13 are both in an arc shape, the middle parts of the arc shapes are spaced, and the suspension installation part 15 is arranged between the second bending sections 102 of the first reinforcing longitudinal beam 16 and the left longitudinal beam 13, so that the suspension installation part 15 plays a role in connecting the first reinforcing longitudinal beam 16 and the second bending section 102 of the left longitudinal beam 13, the structural strength of the first reinforcing longitudinal beam 16 and the second bending section 102 of the left longitudinal beam 13 is further improved, and the stability of the suspension installation part 15 is further improved.
Because the second bending sections 102 of the second reinforcing longitudinal beam 17 and the right longitudinal beam 14 are bent towards the directions away from each other, the second bending sections 102 of the second reinforcing longitudinal beam 17 and the right longitudinal beam 14 are both configured into an arc shape, the middle parts of the arc shapes are spaced, and the suspension installation part 15 is arranged between the second bending sections 102 of the second reinforcing longitudinal beam 17 and the right longitudinal beam 14, so that the suspension installation part 15 plays a role in connecting the second reinforcing longitudinal beam 17 with the second bending section 102 of the right longitudinal beam 14, the structural strength of the second bending sections 102 of the second reinforcing longitudinal beam 17 and the right longitudinal beam 14 is further improved, and meanwhile, the stability of the suspension installation part 15 is further improved.
Because the position between the reinforcing longitudinal beam and the second bending section 102 has high strength, the stability of the mounting sleeve is better, and the force can be better transmitted.
In some embodiments, the rear subframe 1 further includes a lateral reinforcement beam 20. In the present invention, a transverse reinforcement beam 20 is connected between the left longitudinal beam 13 and the right longitudinal beam 14, and the transverse reinforcement beam 20 is disposed between the front cross beam 11 and the rear cross beam 12. Because back sub vehicle frame 1 size is great, the middle part of left longeron 13 and right longeron 14 takes place deformation easily when receiving the lateral force, probably produce the injury to the passenger, connect horizontal stiffening beam 20 between left longeron 13 and right longeron 14, can increase the lateral rigidity of whole back sub vehicle frame 1, the anti deformability of side direction has been promoted, make back sub vehicle frame 1 structure more stable, the vehicle is when receiving the collision of side direction, back sub vehicle frame 1 is difficult for taking place lateral deformation, the deformation volume greatly reduced, furthest's assurance passenger's safety.
In some embodiments of the present invention, the rear subframe 1 further includes: the third reinforcing longitudinal beam 18 and the fourth reinforcing longitudinal beam 19 are respectively connected between the transverse reinforcing beam 20 and the front cross beam 11, and the third reinforcing longitudinal beam 18 and the fourth reinforcing longitudinal beam 19 are respectively arranged opposite to the left longitudinal beam 13 and the right longitudinal beam 14 in the height direction.
In an embodiment of the present invention, the third reinforcing beam 18 is disposed below the first bending section 101 of the left longitudinal beam 13, and the fourth reinforcing beam 19 is disposed below the first bending section 101 of the right longitudinal beam 14, so that the longitudinal rigidity of the first bending section 101 is weakened due to the bending of the first bending section 101 in the height direction, and the longitudinal rigidity of the first bending section 101 is improved by disposing the third reinforcing beam below the first bending section 101 of the left longitudinal beam 13.
Set up fourth reinforcing longitudinal beam 19 below the first curved segment 101 of right longeron 14, can improve the intensity of controlling longeron 14, promote the vertical anti deformability of back sub vehicle frame 1 for when the vehicle collided, control longeron 14 and be difficult for producing too big deformation, improve the structural strength of back sub vehicle frame 1.
The suspension mount 15 is configured as a suspension mount bushing that is open in the front-rear direction or the left-right direction of the subframe. Can be used for the installation suspension in the suspension installation sleeve, the electricity of vehicle drives the assembly and passes through suspension and suspension installation muffjoint, and the suspension installation sleeve is to the simple to operate of suspension, and the produced vibration of electricity drive can be absorbed to the suspension simultaneously to the noise of 1 conduction to the automobile body of sub vehicle frame after the decay electricity drives, has improved the noise reduction effect of vehicle. The utility model discloses an in one embodiment, the suspension installation sleeve pipe structure is three, the suspension installation sleeve sets up respectively in front beam 11 middle part, between left longeron 13 second bending section 102 and the enhancement longeron, between the second bending section 102 of right longeron 14 and the enhancement longeron, can support the electricity drive assembly steadily through setting up three suspension installation sleeve, it passes through front beam 11 middle part to be the weight of electricity drive assembly, left longeron 13 and right longeron 14 dispersion to sub vehicle frame, improve the stability of vehicle automobile body, help keeping the focus of vehicle stable.
The vehicle according to the present invention is briefly described below.
According to the utility model discloses a be provided with arbitrary one in the above-mentioned embodiment on the vehicle back sub vehicle frame 1, because according to the utility model discloses a be provided with the back sub vehicle frame 1 of above-mentioned embodiment on the vehicle, consequently this vehicle has bigger battery storage space, and the continuation of the journey mileage of vehicle has obtained the promotion, and the connector of battery is pegged graft easily simultaneously, and the assembly of vehicle is more convenient, has improved the production efficiency of vehicle.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, "a plurality" means two or more.
In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A rear subframe for a vehicle, comprising:
the front cross beam (11) and the rear cross beam (12) are arranged at intervals in the front-rear direction, and the front cross beam (11) and the rear cross beam (12) are arranged at intervals in the front-rear direction;
the left longitudinal beam (13) and the right longitudinal beam (14) are arranged at intervals in the left-right direction, and the left longitudinal beam (13) and the right longitudinal beam (14) are respectively connected with the front cross beam (11) and the rear cross beam (12);
a suspension mount (15), the suspension mount (15) being configured in plurality and provided on at least one of the front cross member (11), the rear cross member (12), the left side member (13), and the right side member (14); wherein
At least one of the front cross member (11) and the rear cross member (12) is recessed toward the interior of the rear subframe (1).
2. The rear sub frame for a vehicle according to claim 1, wherein the front cross member (11) is provided at both left and right ends thereof with first mounting bushes (111), and a middle portion of the front cross member (11) is bent toward the rear cross member (12) to form a first escape space (112); and second mounting bushes (121) are arranged at the left end and the right end of the rear cross beam (12), and the middle part of the rear cross beam (12) bends towards the front cross beam (11) to form a second avoidance space.
3. The rear sub frame for a vehicle according to claim 1, wherein the left side member (13) and the right side member (14) are configured as a bent beam that is bent in a height direction.
4. The rear sub frame for a vehicle according to claim 2, wherein the left side member (13) and the right side member (14) each include: the bending device comprises a first bending section (101) and a second bending section (102), wherein the first bending section (101) and the second bending section (102) are sequentially connected in the front-back direction, and the first bending section (101) and the second bending section (102) are bent towards opposite directions in the height direction respectively.
5. The rear subframe for a vehicle of claim 3 further comprising: the left longitudinal beam (13) is provided with a first reinforcing longitudinal beam (16) and a second reinforcing longitudinal beam (17), wherein the first reinforcing longitudinal beam (16) is arranged on a first bending section (101) or a second bending section (102) of the left longitudinal beam (13), and the second reinforcing longitudinal beam (17) is arranged on a first bending section (101) or a second bending section (102) of the right longitudinal beam (14).
6. The rear sub frame for a vehicle according to claim 5, wherein the suspension mount (15) is provided between a first reinforcing side member (16) of the left side member (13) and the second curved section (102), and the suspension mount (15) is provided between a second reinforcing side member (17) of the right side member (14) and the second curved section (102).
7. The rear sub frame for a vehicle according to claim 1, wherein a lateral reinforcement beam (20) is connected between the left side member (13) and the right side member (14), the lateral reinforcement beam (20) being disposed between the front cross member (11) and the rear cross member (12).
8. The rear subframe for a vehicle of claim 7 further comprising: the third reinforcing longitudinal beam (18) and the fourth reinforcing longitudinal beam (19) are respectively connected between the transverse reinforcing beam (20) and the front cross beam (11), and the third reinforcing longitudinal beam (18) and the fourth reinforcing longitudinal beam (19) are respectively arranged opposite to the left longitudinal beam (13) and the right longitudinal beam (14) in the height direction.
9. The rear subframe for a vehicle of claim 1 wherein the suspension mount (15) is configured as a suspension mount bushing that opens in a front-to-rear direction or a left-to-right direction of the subframe.
10. A vehicle comprising a rear sub-frame according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222900458.5U CN218877387U (en) | 2022-11-01 | 2022-11-01 | Rear auxiliary frame and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222900458.5U CN218877387U (en) | 2022-11-01 | 2022-11-01 | Rear auxiliary frame and vehicle with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218877387U true CN218877387U (en) | 2023-04-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116812007A (en) * | 2023-07-18 | 2023-09-29 | 小米汽车科技有限公司 | Auxiliary frame structure and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116812007A (en) * | 2023-07-18 | 2023-09-29 | 小米汽车科技有限公司 | Auxiliary frame structure and vehicle |
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Address after: 211200 floor 5, block a, Kechuang building, Huizhi Industrial Park, Lishui District, Nanjing, Jiangsu Province Patentee after: Shenzhen Blue Automobile Nanjing Research Institute Co.,Ltd. Address before: 211200 floor 5, block a, Kechuang building, Huizhi Industrial Park, Lishui District, Nanjing, Jiangsu Province Patentee before: Chang'an new energy Nanjing Research Institute Co.,Ltd. |
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