CN218777593U - Fixing structure of front auxiliary frame, bearing type vehicle body structure and vehicle - Google Patents
Fixing structure of front auxiliary frame, bearing type vehicle body structure and vehicle Download PDFInfo
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- CN218777593U CN218777593U CN202223528188.6U CN202223528188U CN218777593U CN 218777593 U CN218777593 U CN 218777593U CN 202223528188 U CN202223528188 U CN 202223528188U CN 218777593 U CN218777593 U CN 218777593U
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Abstract
The utility model provides a fixed knot of preceding sub vehicle frame constructs, bears formula body structure and vehicle relates to the automobile structure field. Preceding sub vehicle frame's fixed knot constructs includes: the front section assembly of the cabin longitudinal beam and the rear section assembly of the cabin longitudinal beam are connected; the cabin longeron back end assembly includes: the rear section of the cabin longitudinal beam, the reinforcing cross beam and the connecting beam; the rear sections of the cabin longitudinal beams, the reinforcing cross beams and the connecting beams are connected in pairs to form triangular reinforcing areas; and mounting point components for fixing the front auxiliary frame are respectively arranged on the front cabin longitudinal beam assembly and the rear cabin longitudinal beam assembly. According to the rear-section assembly of the engine room longitudinal beam, the rigidity and the strength of the fixing structure are improved through the triangular reinforcing area on the rear-section assembly of the engine room longitudinal beam; all be provided with the mounting point subassembly that is used for fixed preceding sub vehicle frame on cabin longeron anterior segment assembly and the cabin longeron back end assembly, sub vehicle frame and fixed knot construct before connecting through a plurality of mounting point subassemblies, have improved the steadiness of preceding sub vehicle frame.
Description
Technical Field
The utility model relates to an automobile structure field, concretely relates to bear formula body structure field, especially relate to a fixed knot of preceding sub vehicle frame constructs, bears formula body structure and vehicle.
Background
The front subframe of the load-bearing type vehicle body structure is an important component of a front axle of a vehicle, and plays a role in improving collision safety besides the functions of isolating vibration and noise and improving the connection rigidity of a suspension system. The front subframe also plays an important role in the aspects of collapse and energy absorption as one of front collision force transmission paths of the vehicle. For the above reasons, the front subframe to body connection point needs to have very high performance requirements.
Disclosure of Invention
The present disclosure provides a front subframe fixing structure, a load-carrying vehicle body structure and a vehicle.
According to a first aspect, there is provided a fixing structure of a front subframe, including: the front section assembly of the cabin longitudinal beam and the rear section assembly of the cabin longitudinal beam are connected; the cabin longeron back end assembly includes: the rear section of the cabin longitudinal beam, the reinforcing cross beam and the connecting beam; the rear sections of the cabin longitudinal beams, the reinforcing cross beams and the connecting beams are connected in pairs to form triangular reinforcing areas; and mounting point components for fixing the front auxiliary frame are respectively arranged on the front cabin longitudinal beam assembly and the rear cabin longitudinal beam assembly.
According to a second aspect, a load-bearing vehicle body structure is provided, on which a fixing structure of the front subframe characterized in the first aspect is arranged.
According to a third aspect, a vehicle is provided with a body structure of the kind characterized in the second aspect.
According to the technology disclosed by the invention, the fixing structure of the front auxiliary frame comprises a cabin longitudinal beam front section assembly and a cabin longitudinal beam rear section assembly which are connected, and a cabin longitudinal beam rear section, a reinforcing cross beam and a connecting beam on the cabin longitudinal beam rear section assembly are connected in pairs to form a triangular reinforcing area, so that good support performance can be provided in the vehicle collision process, and the rigidity and the strength of the fixing structure are improved; all be provided with the mounting point subassembly that is used for fixed preceding sub vehicle frame on cabin longeron anterior segment assembly and the cabin longeron back end assembly, sub vehicle frame and fixed knot construct before connecting through a plurality of mounting point subassemblies, have improved the steadiness of preceding sub vehicle frame.
It should be understood that the statements in this section do not necessarily identify key or critical features of the embodiments of the present disclosure, nor do they limit the scope of the present disclosure. Other features of the present disclosure will become apparent from the following description.
Drawings
The drawings are included to provide a better understanding of the present solution and are not to be construed as limiting the present disclosure. Wherein:
FIG. 1 is a perspective view of a front subframe mounting arrangement according to the present disclosure;
FIG. 2 is a structural view of the lower surface of the fixed structure of the front subframe according to the present embodiment;
FIG. 3 is a schematic structural view of a triangular reinforcement area in a nacelle rail rear section assembly according to the present embodiments;
FIG. 4 is a schematic view of the lower surface of the rear section assembly of the nacelle stringer according to the present embodiment;
FIG. 5 is a schematic view of the upper surface of the rear section of the nacelle stringer assembly according to the present embodiment;
FIG. 6 is a schematic cross-sectional view of the first mounting point assembly according to the present embodiment;
FIG. 7 is a schematic cross-sectional view of a second mounting point assembly according to the present embodiment;
FIG. 8 is an exterior schematic view of a nacelle stringer forward section assembly according to the present embodiments;
FIG. 9 is an interior schematic view of a nacelle stringer forward section assembly according to the present embodiments;
FIG. 10 is a schematic cross-sectional view of a third mounting point assembly according to the present embodiment;
fig. 11 is a schematic cross-sectional view of a fourth mounting point assembly according to the present embodiment.
Detailed Description
Exemplary embodiments of the present disclosure are described below with reference to the accompanying drawings, in which various details of the embodiments of the disclosure are included to assist understanding, and which are to be considered as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.
Referring to fig. 1, a perspective view of a fixing structure of a front subframe is shown. With continued reference to FIG. 2, a structural schematic of the lower surface of the fixed structure of the front subframe is shown.
Preceding sub vehicle frame's fixed knot constructs includes: the front cabin longitudinal beam assembly 1 and the rear cabin longitudinal beam assembly 2 are connected; the rear cabin longitudinal beam assembly 2 comprises: a rear section 21 of the longitudinal beam of the cabin, a reinforcing cross beam 22 and a connecting beam 23; the rear sections 21 of the longitudinal beams of the engine room, the reinforcing cross beams 22 and the connecting beams 23 are connected in pairs to form triangular reinforcing areas; and the front cabin longitudinal beam assembly 1 and the rear cabin longitudinal beam assembly 2 are respectively provided with a mounting point component 3 for fixing a front auxiliary frame.
In this embodiment, the fixing structure of the front subframe is mainly applied to the body-supporting structure. In the body structure of the load-carrying type, a separate frame in the body structure of the non-load-carrying type is eliminated, and only various beam mechanisms on the body are used for carrying parts of the automobile such as an engine, a transmission, a suspension and the like. The nacelle side member is a corresponding beam structure arranged in the vehicle front-rear direction at the engine compartment of the vehicle.
With continued reference to FIG. 3, a schematic illustration of a triangular reinforcement area in a rear section assembly of a nacelle stringer is shown. The rear section 21, the reinforcing cross beam 22 and the connecting beam 23 of the rear section assembly of the nacelle longitudinal beam can be formed by stamping sheet metal. The cabin longitudinal beam rear section 21 is a main body part in the cabin longitudinal beam rear section assembly 2 and is arranged along the front-rear direction of the vehicle; the strengthening cross beam 22 is vertical to the rear section 21 of the cabin longitudinal beam and is fixedly connected with the rear section 21 of the cabin longitudinal beam to form a T shape; the two ends of the connecting beam 23 are respectively connected with the rear sections 21 of the longitudinal beams of the cabin and the reinforcing cross beam 22, so that a triangular reinforcing area is formed.
In general, the load-bearing vehicle body structure is bilaterally symmetrical, and the left side and the right side of the vehicle body are provided with the fixed structures of the front auxiliary frame. As for the reinforcing cross member 22, the reinforcing cross members 22 in the left and right nacelle side member rear end assemblies 2 are connected to each other.
The front auxiliary frame is closely related to the collision safety of the whole vehicle, and the front auxiliary frame is used as a front collision force transmission path and plays a great role in the collision energy absorption process. A cabin longitudinal beam and a front floor longitudinal beam on a traditional fuel vehicle can penetrate through the traditional fuel vehicle, a force transmission path is complete, and the strength of a mounting point provided for a front auxiliary frame is high. Pure electric vehicle type is because the jumbo size battery is arranged to the front floor lower part, passes power route and interrupts, and the distance between battery and the preceding sub vehicle frame is less, requires that the mounting point of automobile body and sub vehicle frame is enough strong, avoids collision in-process sub vehicle frame and automobile body to throw off, and striking battery package causes the problem of catching fire.
In the embodiment, the cabin longitudinal beam front section assembly 1 is closer to the head of the vehicle relative to the cabin longitudinal beam rear section assembly 2. When the head position of the vehicle is collided, collision pressure is transmitted to the cabin longitudinal beam rear-section assembly 2 along the cabin longitudinal beam front-section assembly 1. Because the triangular reinforcing area in the cabin longitudinal beam rear section assembly 2 enables the fixing structure of the front auxiliary frame to bear larger collision pressure, good support performance can be provided in the vehicle collision process, and the rigidity and the strength of the fixing structure are improved.
In order to improve the connection stability of the front auxiliary frame, a plurality of mounting point components 3 can be respectively arranged on the front cabin longitudinal beam assembly 1 and the rear cabin longitudinal beam assembly 2. To further improve the connection stability of the front subframe, the spacing between adjacent mounting point assemblies 3 is to reach a predetermined distance threshold. The plurality of mounting point assemblies 3 may be identical mounting point assemblies or may be different mounting point structures.
As an example, the mounting point assembly 3 may adopt a fixed connection method in which bolts are directly screwed into threaded holes, a welding method, or the like.
In the embodiment, the fixing structure of the front auxiliary frame comprises a cabin longitudinal beam front section assembly and a cabin longitudinal beam rear section assembly which are connected, and a cabin longitudinal beam rear section, a reinforcing cross beam and a connecting beam on the cabin longitudinal beam rear section assembly are connected in pairs to form a triangular reinforcing area, so that good support performance can be provided in the vehicle collision process, and the rigidity and the strength of the fixing structure are improved; all be provided with the mounting point subassembly that is used for fixed preceding sub vehicle frame on cabin longeron anterior segment assembly and the cabin longeron back end assembly, sub vehicle frame and fixed knot construct before connecting through a plurality of mounting point subassemblies, improved the steadiness of preceding sub vehicle frame
In some optional realization modes of the embodiment, mounting point assemblies are arranged on the triangular reinforcing areas on the rear section assembly of the longitudinal beam of the nacelle. As an example, a mounting point assembly is respectively arranged on the part of the rear section of the longitudinal beam of the nacelle, the part of the reinforcing cross beam and the part of the connecting beam, which are positioned in the triangular reinforcing area.
In this implementation, set up the mounting point subassembly on the cabin longeron back end assembly in the triangle-shaped strengthens the region, strengthens regional fastness with the help of the triangle-shaped, helps improving the installation stability of front sub-frame on the cabin longeron back end assembly.
In some optional implementations of the present embodiment, each mounting point assembly provided on the nacelle stringer front section assembly and the nacelle stringer rear section assembly includes: the connecting piece is used for connecting the front auxiliary frame and the fixing piece is used for fixing the connecting piece; the main body part of the connecting piece is arranged in the cavity in the fixing piece, and the connecting end of the connecting piece extends out of the cavity in the fixing piece.
The fixing piece is fixed on the front section assembly or the rear section assembly of the cabin longitudinal beam, the interior of the fixing piece is hollow, and a cavity is arranged in the fixing piece. The cavity is used for accommodating the connecting piece and is fixedly connected with the connecting piece. The fixing piece and the connecting piece can be integrally formed by stamping or casting, and can also be fixedly connected by adopting a fixed connection mode such as welding and the like based on a split device. The fixing piece can be formed by integral stamping or casting, and can also be formed by connecting split devices into the fixing piece with a hollow inner part by adopting fixed connection modes such as welding and the like based on the split devices.
In this implementation, the mounting adopts the mode of cavity to hold and fixed connection spare in every mounting point subassembly, has improved the intensity of mounting point subassembly, helps improving the connection steadiness between preceding sub vehicle frame and the mounting structure.
With continued reference to FIG. 4, a schematic view of the lower surface of the rear cabin stringer assembly is shown. With continued reference to FIG. 5, a schematic view of the upper surface of the rear section of the nacelle stringer assembly is shown. With continued reference to fig. 6, a cross-sectional schematic view of the first mounting point assembly is shown.
In some alternative implementations of the present embodiment, a first mounting point assembly 31 is provided on the portion of the nacelle stringer back section 21 that is located in the triangular stiffened area. The fixing member 311 in the first mounting point assembly 31 includes: a first reinforcing plate 3111 and a second reinforcing plate 3112; first reinforcing plate 3111 and second reinforcing plate 3112 are provided on the upper surface and the lower surface of the nacelle side member rear section, respectively, first cavity 312 is formed between first reinforcing plate 3111 and nacelle side member rear section 21, and second cavity 313 is formed between second reinforcing plate 3112 and nacelle side member rear section 21.
As an example, the first reinforcement plate 3111 is provided on an upper surface of the rear section of the nacelle side member. The second reinforcing plate 3112 is provided on the lower surface of the rear section of the nacelle side member.
In this embodiment, the first reinforcing plate 3111 and the second reinforcing plate 3112 are not completely bonded to the nacelle side member rear section 21, but the first reinforcing plate 3111 and the nacelle side member rear section 21, the second reinforcing plate 3112 and the nacelle side member rear section 21 are provided at an interval so that a cavity is provided therebetween. In this way, the strength of the nacelle side member rear section 21 is improved by the first reinforcing plate 3111 and the second reinforcing plate 3112.
A first cavity 312 is formed between the first reinforcing plate 3111 and the nacelle stringer rear section 21, and a second cavity 313 is formed between the second reinforcing plate 3112 and the nacelle stringer rear section 21. The connecting element 314 of the first mounting point assembly 31 extends through the first cavity 312 and the second cavity 313, a main portion of the connecting element 314 is fixedly disposed in the first cavity 312 and the second cavity 313, and the connecting end extends out of the first cavity 312 and the second cavity 313.
In this implementation, through first reinforcing plate and second reinforcing plate, when having improved the intensity of cabin longeron back end, improved the intensity of first mounting point subassembly, help improving the steadiness of being connected between preceding sub vehicle frame and the fixed knot structure.
With continued reference to fig. 5 and 7, fig. 7 shows a schematic cross-sectional view of the second mounting point assembly. In some alternative implementations of this embodiment, a second mounting point assembly 32 is provided on the connecting beam at the portion of the triangular reinforced area. The fixing member 321 in the second mounting point assembly 32 includes: a third reinforcing plate 3211; the third reinforcing plate 3211 is disposed on the upper surface of the connecting beam 23, and forms a third cavity 322 with the connecting beam 23.
In this implementation, the third reinforcing plate 3211 is not completely attached to the connecting beam 23, but the third reinforcing plate 3211 and the connecting beam 23 are spaced apart from each other by a cavity disposed therebetween. In this way, the third reinforcing plate 3211 improves the strength of the nacelle connecting beam 23.
A third cavity 322 is formed between the third reinforcing plate 3211 and the connecting beam 23. The main portion of the connector 323 of the second mounting point assembly is disposed within the third cavity 322, and the connecting end extends outside of the third cavity 322.
In this implementation, through the third reinforcing plate, when having improved the intensity of tie-beam, improved the intensity of second mounting point subassembly, help improving the steadiness of being connected between preceding sub vehicle frame and the fixed knot structure.
With continued reference to FIG. 8, an exterior schematic view of a nacelle stringer forward section assembly is shown. With continued reference to FIG. 9, an interior schematic view of the nacelle stringer forward section assembly is shown. With continued reference to fig. 10, a schematic cross-sectional view of the third mounting point assembly is shown.
In some optional implementations of the present embodiment, a third mounting point component 33 is provided on the outer portion of one end of the nacelle longitudinal front assembly 1 away from the nacelle longitudinal rear assembly 2; the fixing member 331 in the third mounting point assembly includes: a front subframe first mounting bracket 3311, a first mounting bracket enclosure plate 3312, and a connector upper bracket plate 3313. A fourth cavity 333 is formed between the front subframe first mounting bracket 3311, the first mounting bracket enclosure plate 3312 and the connector upper bracket plate 3313 for securing the connector 332 in the third mounting point assembly.
The cabin longitudinal beam front section assembly 1 comprises a cabin longitudinal beam front section inner plate 11 and a cabin longitudinal beam front section packaging plate 12. The section of the inner plate 11 at the front section of the cabin longitudinal beam is U-shaped, and the inner plate is packaged on the U-shaped opening of the inner plate 11 at the front section of the cabin longitudinal beam through a packaging plate 12.
The first mounting bracket 3311 of preceding sub vehicle frame and the encapsulation board 3312 of first mounting bracket lock mutually, constitute the cube, with the top opening part of the encapsulation of connecting piece upper bracket board 3313 at cube, form fourth cavity 333. The top end of the connecting member 332 in the third mounting point assembly 33 is fixed to the connecting member upper frame plate 3313, and the connecting end extends out of the fourth cavity 333.
In this implementation, each structure in the mounting in the third mounting point subassembly mutually supports and forms the fourth cavity, holds and fixed connection spare through the fourth cavity, has further improved the steadiness of third mounting point subassembly.
With continued reference to fig. 9, in some alternative implementations of the present embodiment, a fourth mounting point component 34 is provided on the cabin stringer front section assembly 1 inside the end near the cabin stringer rear section assembly 2. The fixing member 341 in the fourth mounting point assembly 34 includes: a front subframe second mounting bracket 3411 and a nacelle stringer forward section stiffener 3412.
With continued reference to fig. 11, a cross-sectional schematic view of the fourth mounting point assembly is shown. A fifth cavity 343 for fixing the connecting piece 342 in the fourth mounting point component 34 is formed among the cabin longitudinal beam front section inner plate 11, the cabin longitudinal beam front section sealing plate 12, the front subframe second mounting bracket 3411 and the cabin longitudinal beam front section reinforcing plate 3412 in the cabin longitudinal beam front section assembly.
In this implementation, the mounting and the cabin longeron anterior segment assembly among the fourth mounting point subassembly mutually support and form the fifth cavity, hold and fixed connection spare through the fifth cavity, have further improved the steadiness of fourth mounting point subassembly.
In some optional implementations of this embodiment, the connecting member in each mounting point assembly provided on the nacelle longitudinal front section assembly and the nacelle longitudinal rear section assembly is provided on the lower surface of the fixed structure.
In this implementation, the connecting end of the connecting piece in each mounting point component arranged on the lower surface of the fixed structure faces the ground and is used for connecting the front auxiliary frame positioned below the fixed structure. As an example, the connection is a threaded pipe.
In this implementation, all setting up in fixed knot of connecting piece in every mounting point subassembly constructs the lower surface, be convenient for with being connected of preceding sub vehicle frame, improved the convenience of connection operation.
The embodiment provides a bearing type vehicle body structure, and the bearing type vehicle body structure is provided with a fixing structure of a front auxiliary frame represented by the embodiment.
The bearing type vehicle body structure is generally arranged in a bilateral symmetry mode, and the front auxiliary frame fixing structures are arranged at the engine room position at the front end of the bearing type vehicle body structure in a bilateral symmetry mode. In the embodiment, the bearing type vehicle body structure comprises a fixing structure of the front auxiliary frame, the fixing structure has better rigidity and strength, good support performance can be provided in the vehicle collision process, and the strength of the bearing type vehicle body structure is improved; the mounting point assembly of each front auxiliary frame on the fixed structure is designed in a reinforcing mode, and stability of the front auxiliary frame on the bearing type vehicle body structure is improved.
The embodiment provides a vehicle, and the vehicle is provided with the bearing type vehicle body structure represented by the embodiment. The supporting performance in the vehicle collision process is improved by adopting the bearing type vehicle body structure of the fixing structure of the front auxiliary frame, and the stability between the front auxiliary frame and the bearing type vehicle body structure is improved.
The above detailed description should not be construed as limiting the scope of the disclosure. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made in accordance with design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Claims (10)
1. The utility model provides a fixed knot of preceding sub vehicle frame constructs which characterized in that includes: the front section assembly of the cabin longitudinal beam and the rear section assembly of the cabin longitudinal beam are connected;
the cabin longeron back end assembly includes: the rear section of the cabin longitudinal beam, the reinforcing cross beam and the connecting beam;
the rear sections of the cabin longitudinal beams, the reinforcing cross beams and the connecting beams are connected in pairs to form triangular reinforcing areas;
and mounting point components used for fixing the front auxiliary frame are respectively arranged on the front cabin longitudinal beam assembly and the rear cabin longitudinal beam assembly.
2. The structure of claim 1, wherein:
the mounting point assembly is arranged on the triangular reinforcing area on the rear section assembly of the cabin longitudinal beam.
3. The structure according to claim 1 or 2, characterized in that:
each mounting point component that sets up on cabin longeron front segment assembly and the cabin longeron back end assembly includes: the front auxiliary frame is used for connecting the front auxiliary frame and the front auxiliary frame;
the main part of the connecting piece is arranged in the cavity in the fixing piece, and the connecting end of the connecting piece extends out of the cavity in the fixing piece.
4. The structure of claim 3, wherein:
a first mounting point assembly is arranged on the part, located in the triangular reinforcing area, of the rear section of the cabin longitudinal beam;
the mount in the first mounting point assembly comprises: a first reinforcing plate and a second reinforcing plate;
the first reinforcing plate and the second reinforcing plate are respectively arranged on the upper surface and the lower surface of the rear section of the cabin longitudinal beam, a first cavity is formed between the first reinforcing plate and the rear section of the cabin longitudinal beam, and a second cavity is formed between the second reinforcing plate and the rear section of the cabin longitudinal beam.
5. The structure of claim 3, wherein:
a second mounting point assembly is arranged on the part, located in the triangular reinforcing area, of the connecting beam;
the mount in the second mounting point assembly comprises: a third reinforcing plate;
the third reinforcing plate is arranged on the upper surface of the connecting beam, and a third cavity is formed between the third reinforcing plate and the connecting beam.
6. The structure of claim 3, wherein:
a third mounting point assembly is arranged on the outer portion of one end, far away from the cabin longitudinal beam rear section assembly, of the cabin longitudinal beam front section assembly;
the mount in the third mounting point assembly comprises: the front auxiliary frame comprises a first mounting bracket of the front auxiliary frame, a first mounting bracket packaging plate and a connecting piece upper bracket plate;
and a fourth cavity for fixing the connecting piece in the third mounting point assembly is formed among the first mounting bracket of the auxiliary frame, the first mounting bracket packaging plate and the connecting piece upper bracket plate.
7. The structure of claim 3, wherein:
a fourth mounting point assembly is arranged inside one end, close to the rear section assembly of the cabin longitudinal beam, of the front section assembly of the cabin longitudinal beam;
the mount in the fourth mounting point assembly comprises: a front auxiliary frame second mounting bracket and a cabin longitudinal beam front section reinforcing plate;
and a fifth cavity for fixing a connecting piece in the fourth mounting point component is formed among the cabin longitudinal beam front section assembly, the front auxiliary frame second mounting bracket and the cabin longitudinal beam front section reinforcing plate.
8. The structure according to any one of claims 4 to 7, wherein:
and the connecting piece in each mounting point component arranged on the front cabin longitudinal beam assembly and the rear cabin longitudinal beam assembly is arranged on the lower surface of the fixed structure.
9. A load-bearing vehicle body structure characterized by:
the body structure is provided with a front subframe attachment structure as characterized in any of claims 1 to 8.
10. A vehicle, characterized in that:
the vehicle is provided with a load-bearing body structure as characterized in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223528188.6U CN218777593U (en) | 2022-12-28 | 2022-12-28 | Fixing structure of front auxiliary frame, bearing type vehicle body structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223528188.6U CN218777593U (en) | 2022-12-28 | 2022-12-28 | Fixing structure of front auxiliary frame, bearing type vehicle body structure and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN218777593U true CN218777593U (en) | 2023-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223528188.6U Active CN218777593U (en) | 2022-12-28 | 2022-12-28 | Fixing structure of front auxiliary frame, bearing type vehicle body structure and vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN218777593U (en) |
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2022
- 2022-12-28 CN CN202223528188.6U patent/CN218777593U/en active Active
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