CN220615949U - Auxiliary frame and vehicle - Google Patents
Auxiliary frame and vehicle Download PDFInfo
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- CN220615949U CN220615949U CN202322398114.3U CN202322398114U CN220615949U CN 220615949 U CN220615949 U CN 220615949U CN 202322398114 U CN202322398114 U CN 202322398114U CN 220615949 U CN220615949 U CN 220615949U
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- cross beam
- subframe
- longitudinal
- brackets
- control arm
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- 239000000725 suspension Substances 0.000 claims description 41
- 230000003014 reinforcing effect Effects 0.000 claims description 29
- 239000003381 stabilizer Substances 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 21
- 238000005452 bending Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000013585 weight reducing agent Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002860 competitive effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Body Structure For Vehicles (AREA)
Abstract
The utility model discloses a subframe and a vehicle, wherein the subframe comprises: the two longitudinal beams are oppositely arranged left and right, the cross section of the longitudinal beam is circular, the front cross beam is connected between the front ends of the two longitudinal beams, the cross section of the front cross beam is rectangular, the middle cross beam is connected between the middle parts of the two longitudinal beams, the cross section of the middle cross beam is circular, the middle part of the middle cross beam protrudes backwards and is arranged between the rear ends of the two longitudinal beams, the cross section of the rear cross beam is circular, and the middle part of the rear cross beam protrudes forwards. The cross sections of the longitudinal beam and the middle cross beam are set to be round, and the cross sections of the front cross beam and the rear cross beam are set to be rectangular, so that the manufacturing process of the longitudinal beam, the front cross beam, the middle cross beam and the rear cross beam can be simplified, and the front cross beam, the middle cross beam and the rear cross beam are provided with the protruding parts, so that the auxiliary frame can be conveniently built, the universality of the auxiliary frame is realized, the weight of the auxiliary frame can be further realized, and the manufacturing cost is saved.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to a subframe and a vehicle.
Background
At present, the auxiliary frame is an important part of a chassis system, and a control arm of a suspension system, a steering gear of a steering system and a suspension of a power system are all arranged on the auxiliary frame. The auxiliary frame has the main function of isolating vibration and noise caused by running of the pavement and the power assembly during running. From the standpoint of reducing emissions and reducing energy consumption, it is desirable that the subframe be lighter in weight, while reducing subframe weight means that reduced material usage has a positive effect on subframe cost.
In the related art, the most common manufacturing process of the auxiliary frame is to punch and shape steel plates, assemble the steel plates and then form an assembly by welding. This method requires development of a large number of special equipment such as a press die, a welding jig, etc., and thus the manufacturing cost is high. In order to reduce the weight of the auxiliary frame, reduce the number of parts and assembly procedures, and reduce the investment of welding jigs, the technical proposal uses a hydroforming technology to manufacture members such as a longitudinal beam, a transverse beam and the like of the auxiliary frame. Although the method has a certain weight reduction effect, the investment of hydraulic forming equipment is huge, so that the cost of the auxiliary frame has no competitive advantage. In addition, the technical scheme also adopts a casting aluminum alloy process to manufacture the auxiliary frame, so that the light weight effect is remarkable, but the cost of the auxiliary frame is greatly increased due to low production efficiency of the casting process and high cost of the aluminum alloy, and the cost performance is not high.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide an auxiliary frame, which can reduce the manufacturing cost of the auxiliary frame on the premise of realizing light weight, thereby improving the cost performance of the auxiliary frame.
The utility model further proposes a vehicle.
The subframe according to the present utility model comprises: the two longitudinal beams, the front cross beam, the middle cross beam and the rear cross beam are oppositely arranged left and right, the cross sections of the longitudinal beams are round, the front cross beam is connected between the front ends of the two longitudinal beams, the cross sections of the front cross beams are rectangular, the middle cross beam is connected between the middle parts of the two longitudinal beams, the cross sections of the middle cross beam are round, the middle part of the middle cross beam protrudes backwards, the rear cross beam is connected between the rear ends of the two longitudinal beams, the cross sections of the rear cross beam are round, and the middle part of the rear cross beam protrudes forwards.
According to the auxiliary frame disclosed by the utility model, the cross sections of the longitudinal beam and the middle cross beam are set to be round, and the cross sections of the front cross beam and the rear cross beam are set to be rectangular, so that the manufacturing process of the longitudinal beam, the front cross beam, the middle cross beam and the rear cross beam can be simplified, and the front cross beam, the middle cross beam and the rear cross beam are provided with the protruding parts, so that the auxiliary frame can be conveniently built, the universality of the auxiliary frame can be realized, the light weight of the auxiliary frame can be realized, and the manufacturing cost can be saved.
In some examples of the present utility model, at least a front suspension bracket is disposed on the front cross member, and two front suspension brackets are disposed at intervals in the left-right direction; the middle part of the middle cross beam is provided with a rear suspension bracket, the rear suspension bracket and the two front suspension brackets are used for fixing a power assembly, and at least one of the front suspension brackets and the rear suspension brackets is a stamping part.
In some examples of the present utility model, vehicle body mounting brackets are disposed on the left and right ends of the front beam, vehicle body mounting holes are disposed on the left and right ends of the rear beam, respectively, the vehicle body mounting brackets and the vehicle body mounting holes are used for fixedly connecting with a vehicle body, and the vehicle body mounting brackets are stamping parts.
In some examples of the utility model, the subframe further comprises: the two first reinforcing plates are respectively connected between the longitudinal beam, the middle cross beam and the rear cross beam, and the first reinforcing plates are stamping parts.
In some examples of the utility model, the first reinforcement plate is provided with a diverter mounting hole and a stabilizer bar mounting hole.
In some examples of the utility model, the subframe further comprises: the second reinforcing plate is connected between the middle part of the middle cross beam and the middle part of the rear cross beam, and is a stamping part.
In some examples of the present utility model, a control arm front bracket is disposed in the middle of the longitudinal beam, control arm rear brackets are disposed at the left and right ends of the rear cross beam, the control arm rear brackets are further fixedly connected with the corresponding longitudinal beam, the control arm front bracket and the control arm rear bracket are fixedly connected with the control arm, and at least one of the control arm front bracket and the control arm rear bracket is a stamping part.
In some examples of the utility model, the stringers are arranged in a partially folded-back laterally inward direction.
In some examples of the utility model, at least one of the side rails, the front cross rail, the middle cross rail, and the rear cross rail is provided with a weight-reducing aperture.
The vehicle according to the present utility model includes: the subframe described above.
Additional aspects and advantages of the utility model 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 utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a first angular structural schematic view of a subframe according to an embodiment of the present utility model;
FIG. 2 is a second angular structural schematic view of a subframe according to an embodiment of the present utility model;
FIG. 3 is a schematic structural view of a stringer;
FIG. 4 is a schematic structural view of the front cross member;
FIG. 5 is a schematic view of the structure of the center sill;
fig. 6 is a schematic structural view of the rear cross member.
Reference numerals:
1. an auxiliary frame;
2. a longitudinal beam; 21. a control arm front support; 3. a front cross member; 31. a front suspension bracket; 32. a vehicle body mounting bracket; 4. a middle cross beam; 41. a rear suspension bracket; 5. a rear cross member; 51. a vehicle body mounting hole; 52. a control arm rear bracket; 6. a first reinforcing plate; 61. a diverter mounting hole; 62. a stabilizer bar mounting hole; 7. a second reinforcing plate; 8. a lightening hole; 9. and a bending part.
Detailed Description
Embodiments of the present utility model will be described in detail below, by way of example with reference to the accompanying drawings.
A subframe 1 according to an embodiment of the present utility model will be described with reference to fig. 1 to 6, and the subframe 1 may be a front subframe when applied to a vehicle, but is not limited thereto.
As shown in fig. 1 to 6, a subframe 1 according to the present utility model includes: the two longitudinal beams 2, the front cross beam 3, the middle cross beam 4 and the rear cross beam 5 are oppositely arranged left and right, the cross sections of the two longitudinal beams 2 are round, the front cross beam 3 is connected between the front ends of the two longitudinal beams 2, the cross section of the front cross beam 3 is rectangular, the middle cross beam 4 is connected between the middle parts of the two longitudinal beams 2, the cross section of the middle cross beam 4 is round, the middle part of the middle cross beam 4 is arranged in a backwards protruding mode, the rear cross beam 5 is connected between the rear ends of the two longitudinal beams 2, the cross section of the rear cross beam 5 is round, and the middle part of the rear cross beam 5 is arranged in a forwards protruding mode.
It will be appreciated that the two longitudinal beams 2, the front cross beam 3, the middle cross beam 4 and the rear cross beam 5 form the main structure of the auxiliary frame 1, one longitudinal beam 2 is located at the left side, the other longitudinal beam 2 is located at the right side, the two longitudinal beams 2 are oppositely arranged, the front cross beam 3 is located at the front ends of the two longitudinal beams 2, the rear cross beam 5 is located at the rear ends of the two longitudinal beams 2, the middle cross beam 4 is located between the front cross beam 3 and the rear cross beam 5, and the middle cross beam 4 is connected with the two longitudinal beams 2, the front cross beam 3, the middle cross beam 4 and the rear cross beam 5, so that the two longitudinal beams 2, the front cross beam 3, the middle cross beam 4 and the rear cross beam 5 can be overlapped to form the auxiliary frame 1, wherein the cross sections of the longitudinal beams 2 and the middle cross beam 4 are round, so that universal equipment such as a pipe bender can be conveniently used for processing the longitudinal beams 2 and the middle cross beam 4, the cross sections of the front cross beam 3 and the rear cross beam 5 are rectangular, so that universal equipment such as a pipe bender can be conveniently used for processing the front cross beam 3 and the rear cross beam 5, so that manufacturing time can be saved, and the bulge parts are arranged on the middle cross beam 4 and the rear cross beam 5, so that the auxiliary frame can be conveniently connected between the two longitudinal beams 2, the front cross beam 3, the middle cross beam 4 and the rear cross beam 4 and the auxiliary frame 1. For example, two bending parts 9 are arranged on the middle cross beam 4, and the two bending parts 9 are bilaterally symmetrical, so that the middle part of the middle cross beam 4 protrudes backwards, four bending parts 9 are arranged on the rear cross beam 5, and the four bending parts 9 are bilaterally symmetrical, so that the middle part of the rear cross beam 5 protrudes forwards, and the installation of the auxiliary frame 1 and the improvement of the rigidity of the auxiliary frame 1 are facilitated.
Thus, by setting the cross sections of the side member 2 and the center cross member 4 to be circular, and the cross sections of the front cross member 3 and the rear cross member 5 to be rectangular, the manufacturing process of the side member 2, the front cross member 3, the center cross member 4 and the rear cross member 5 can be simplified, and the front cross member 3, the center cross member 4 and the rear cross member 5 are provided with the protruding portions, so that the subframe 1 can be conveniently built and the versatility of the subframe 1 can be realized, and further the weight saving of the subframe 1 can be realized, and the manufacturing cost can be saved.
As shown in fig. 1-5, two front suspension brackets 31 are arranged on the front cross beam 3, and the two front suspension brackets 31 are arranged at intervals in the left-right direction; the middle part of the middle cross beam 4 is provided with a rear suspension bracket 41, the rear suspension bracket 41 and two front suspension brackets 31 are used for fixing the power assembly, and at least one of the front suspension brackets 31 and the rear suspension brackets 41 is a stamping part. That is, the two front suspension brackets 31 are located on the front cross member 3 at left and right intervals, so that the front cross member 3 can be connected with the front suspension, the subframe 1 can be connected with the front suspension, the rear suspension bracket 41 is located on the middle cross member 4 at left and right intervals, so that the middle cross member 4 can be connected with the rear suspension, the subframe 1 can be connected with the rear suspension, the front suspension bracket 31 and the rear suspension bracket 41 can fix the power assembly, so that the subframe 1 can be connected with the power assembly, and the front suspension bracket 31 and the rear suspension bracket 41 are stamping parts, namely, the front suspension bracket 31 and the rear suspension bracket 41 are integrally formed, so that the manufacturing time of the front suspension bracket 31 and the rear suspension bracket 41 can be saved, the manufacturing cost of the subframe 1 can be saved, and the performance of the subframe 1 can be further improved.
As shown in fig. 4 and 6, the front cross member 3 is provided with body mounting brackets 32 at both left and right ends, the rear cross member 5 is provided with body mounting holes 51 at both left and right ends, and the body mounting brackets 32 and the body mounting holes 51 are fixedly connected to the vehicle body, and the body mounting brackets 32 are stamped members. It will be appreciated that the vehicle body mounting brackets 32 are respectively located at the left and right ends of the front cross member 3, so that the front cross member 3 can be connected with the vehicle body, the subframe 1 can be connected with the vehicle body, the vehicle body mounting holes 51 are respectively located at the left and right ends of the rear cross member 5, so that the rear cross member 5 can be connected with the vehicle body, the subframe 1 can be connected with the vehicle body, and the vehicle body mounting brackets 32 are stamping parts, so that the manufacturing time of the vehicle body mounting brackets 32 can be saved, the manufacturing cost of the subframe 1 can be saved, and the performance of the subframe 1 can be further improved.
Further, as shown in fig. 1 and 2, the sub-frame 1 further includes: the two first reinforcing plates 6 are respectively connected among the longitudinal beam 2, the middle cross beam 4 and the rear cross beam 5, and the first reinforcing plates 6 are stamping parts. That is, the two first reinforcing plates 6 are respectively in one-to-one correspondence with the longitudinal beams 2 on both sides, and each first reinforcing plate 6 is connected between the longitudinal beam 2, the middle cross beam 4 and the rear cross beam 5, so that the longitudinal beam 2, the middle cross beam 4 and the rear cross beam 5 can be fixed into a whole, the rigidity of the subframe 1 can be improved, and the first reinforcing plates 6 are stamping parts, so that the manufacturing time of the first reinforcing plates 6 can be saved, the manufacturing cost of the subframe 1 can be saved, and the performance of the subframe 1 can be ensured.
In which, as shown in fig. 1 and 2, in some examples of the present utility model, a diverter mounting hole 61 and a stabilizer bar mounting hole 62 are provided on the first reinforcing plate 6. It will be appreciated that the steering gear mounting hole 61 is provided on the front side of the first reinforcing plate 6, so that the first reinforcing plate 6 can be connected to the steering gear, and the subframe 1 can be connected to the steering gear, and the stabilizer bar mounting hole 62 is provided in the middle of the first reinforcing plate 6, so that the first reinforcing plate 6 can be connected to the stabilizer bar, and the subframe 1 can be connected to the stabilizer bar.
Further, as shown in fig. 1 and 2, the subframe 1 further includes: and the second reinforcing plate 7 is connected between the middle part of the middle cross beam 4 and the middle part of the rear cross beam 5, and the second reinforcing plate 7 is a stamping part. That is, the second reinforcing plate 7 is located at the middle part of the middle cross member 4 and the rear cross member 5, and the front end of the second reinforcing plate 7 is connected with the middle cross member 4, and the rear end of the second reinforcing plate 7 is connected with the rear cross member 5, so that the second reinforcing plate 7 and the middle cross member 4 and the rear cross member 5 are connected into a whole, further the rigidity of the subframe 1 can be further improved, and the second reinforcing plate 7 can reinforce the mounting point of the power assembly, thereby avoiding the resonance of the middle cross member 4 caused by the power assembly under specific frequency, and further improving the NVH level of the whole vehicle.
In addition, as shown in fig. 1 to 6, the middle part of the longitudinal beam 2 is provided with a control arm front bracket 21, the left and right ends of the rear cross beam 5 are provided with control arm rear brackets 52, the control arm rear brackets 52 are also fixedly connected with the corresponding longitudinal beam 2 respectively, the control arm front bracket 21 and the control arm rear brackets 52 are fixedly connected with the control arm, and at least one of them is a stamping part. It will be appreciated that the control arm front bracket 21 is located in the middle of the longitudinal beam 2, the control arm rear bracket 52 is located at the left and right ends of the rear cross beam 5, and the control arm rear bracket 52 is connected with the longitudinal beam 2 on the left and right sides, so that the control arm is connected with the longitudinal beam 2 and the rear cross beam 5, and the auxiliary frame 1 is connected with the control arm, and the control arm front bracket 21 and the control arm rear bracket 52 are stamping parts, that is, the control arm front bracket 21 and the control arm rear bracket 5 are integrally formed and manufactured, so that the local structure of the auxiliary frame 1 can be reinforced, and the performance of the auxiliary frame 1 can be ensured and the cost can be reduced on the basis of realizing the installation requirements of peripheral parts.
In particular, as shown in fig. 1 to 3, the stringers 2 are provided so as to be partially bent toward the lateral inside in the front-to-rear direction, so that the two stringers 2 are provided so as to protrude with respect to the middle portion, whereby two bent portions 9 can be formed, thereby facilitating the connection of the stringers 2 with the front cross member 3 and the rear cross member 5.
Optionally, as shown in fig. 1 to 6, at least one of the side member 2, the front cross member 3, the middle cross member 4 and the rear cross member 5 is provided with a weight-reducing hole 8, which can achieve the purpose of weight reduction, thereby enabling the subframe 1 to be of a lightweight design. For example, the lightening hole 8 is oblong or circular, and the circular lightening hole 8 can be positioned for use, and the lightening hole 8 on the front cross member 3 facilitates positioning of the front suspension bracket 31 and the vehicle body mounting bracket 32, thereby facilitating mounting of the subframe 1 with the front suspension and the vehicle body.
According to an embodiment of the present utility model, a vehicle includes: the subframe 1 of the above embodiment is configured such that the cross sections of the side members 2 and the center cross member 4 are set to be circular, and the cross sections of the front cross member 3 and the rear cross member 5 are set to be rectangular, so that the manufacturing process of the side members 2, the front cross member 3, the center cross member 4 and the rear cross member 5 can be simplified, and the front cross member 3, the center cross member 4 and the rear cross member 5 are provided with the protruding portions, so that the subframe 1 can be conveniently built and the versatility of the subframe 1 can be realized, and further the weight reduction of the subframe 1 can be realized, and the manufacturing cost can be saved.
In the description of the present utility model, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the description of the utility model, a "first feature" or "second feature" may include one or more of such features. In the description of the present utility model, "plurality" means two or more. In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween. In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A subframe, comprising:
the two longitudinal beams (2) are oppositely arranged left and right, and the cross section of each longitudinal beam (2) is circular;
the front cross beam (3), the front cross beam (3) is connected between the front ends of the two longitudinal beams (2), and the cross section of the front cross beam (3) is rectangular;
the middle cross beam (4) is connected between the middle parts of the two longitudinal beams (2), the cross section of the middle cross beam (4) is circular, and the middle part of the middle cross beam (4) is arranged in a protruding mode backwards;
the rear cross beam (5), the rear cross beam (5) is connected between the rear ends of two longitudinal beams (2), the cross section of the rear cross beam (5) is circular, and the middle part of the rear cross beam (5) is arranged in a protruding mode.
2. The subframe according to claim 1, wherein two front suspension brackets (31) are provided on the front cross member (3), the two front suspension brackets (31) being arranged at an interval in the left-right direction;
the middle part of middle crossbeam (4) is provided with rear suspension support (41), rear suspension support (41) and two preceding suspension support (31) are used for fixed power assembly, preceding suspension support (31) with at least one in rear suspension support (41) is the stamping workpiece.
3. The auxiliary frame according to claim 1, wherein vehicle body mounting brackets (32) are arranged at the left and right ends of the front cross beam (3), vehicle body mounting holes (51) are respectively arranged at the left and right ends of the rear cross beam (5), the vehicle body mounting brackets (32) and the vehicle body mounting holes (51) are used for being fixedly connected with a vehicle body, and the vehicle body mounting brackets (32) are stamping parts.
4. The subframe of claim 1 further comprising: the two first reinforcing plates (6), two first reinforcing plates (6) are respectively connected between the longitudinal beam (2), the middle cross beam (4) and the rear cross beam (5), and the first reinforcing plates (6) are stamping parts.
5. The subframe according to claim 4, wherein the first reinforcement plate (6) is provided with a steering gear mounting hole (61) and a stabilizer bar mounting hole (62).
6. The subframe of claim 1 further comprising: the second reinforcing plate (7), second reinforcing plate (7) connect in between middle part and the middle part of rear cross beam (5) of middle cross beam (4), second reinforcing plate (7) are the stamping workpiece.
7. The auxiliary frame according to claim 1, wherein a control arm front bracket (21) is arranged in the middle of the longitudinal beam (2), control arm rear brackets (52) are arranged at the left end and the right end of the rear cross beam (5), the control arm rear brackets (52) are fixedly connected with the corresponding longitudinal beam (2) respectively, and the control arm front bracket (21) and the control arm rear brackets (52) are fixedly connected with the control arm and at least one of the control arm rear brackets is a stamping part.
8. Subframe according to claim 1, characterized in that the longitudinal members (2) are arranged partially bent laterally inwards in the direction from front to rear.
9. Subframe according to claim 1, characterized in that at least one of the longitudinal beam (2), the front cross beam (3), the middle cross beam (4) and the rear cross beam (5) is provided with a lightening hole (8).
10. A vehicle, characterized by comprising: the subframe (1) of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322398114.3U CN220615949U (en) | 2023-09-05 | 2023-09-05 | Auxiliary frame and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322398114.3U CN220615949U (en) | 2023-09-05 | 2023-09-05 | Auxiliary frame and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220615949U true CN220615949U (en) | 2024-03-19 |
Family
ID=90221541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322398114.3U Active CN220615949U (en) | 2023-09-05 | 2023-09-05 | Auxiliary frame and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220615949U (en) |
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2023
- 2023-09-05 CN CN202322398114.3U patent/CN220615949U/en active Active
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