CN120422934A - Auxiliary frame and vehicle - Google Patents
Auxiliary frame and vehicleInfo
- Publication number
- CN120422934A CN120422934A CN202410165212.9A CN202410165212A CN120422934A CN 120422934 A CN120422934 A CN 120422934A CN 202410165212 A CN202410165212 A CN 202410165212A CN 120422934 A CN120422934 A CN 120422934A
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- Prior art keywords
- auxiliary frame
- cross beam
- vehicle
- sub
- rear cross
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Abstract
The invention provides an auxiliary frame and a vehicle, wherein the auxiliary frame comprises an auxiliary frame body, the auxiliary frame body comprises auxiliary frame longitudinal beams arranged on the left side and the right side of the vehicle body, and front cross beams and rear cross beams which are arranged at intervals, the front cross beams and the rear cross beams are connected with the auxiliary frame longitudinal beams and encircle to form an annular structure, a reinforcing beam is connected between the front cross beams and the rear cross beams, and the reinforcing beam separates the annular structure into a plurality of ring-dividing structures. The auxiliary frame disclosed by the invention is beneficial to improving the structural strength of the auxiliary frame and the dispersion transmission effect of collision force by forming the annular structure, and the annular structure is separated into a plurality of sub-annular structures by the reinforcing beam, so that the torsional rigidity and the strength of the auxiliary frame are improved, and the collision performance of the auxiliary frame is further improved.
Description
Technical Field
The invention relates to the technical field of vehicle parts, in particular to a subframe. Meanwhile, the invention also relates to a vehicle with the auxiliary frame.
Background
The auxiliary frame is taken as an important component of the vehicle body, and the performance of the auxiliary frame directly influences the safety and the comfort of the vehicle. At present, the auxiliary frame is generally formed by welding a plurality of steel plate pieces, so that the auxiliary frame is complex in structure, large in weight and unfavorable for the weight reduction of a vehicle body. In addition, the number of steel plate members in the auxiliary frame is large, so that the welding process of the auxiliary frame is large. The steel plate is usually formed by stamping, so that a plurality of stamping dies need to be developed, which increases the production cost of the subframe. In addition, in the case of the optical fiber,
Although the production cost of the auxiliary frame can be reduced to a certain extent by reducing the number of parts, the reduction of the parts can lead to the reduction of the strength of the auxiliary frame, and the dispersion and transmission effects on collision force are poor, so that the auxiliary frame is easy to damage in collision, and the safety of the vehicle is seriously affected.
Disclosure of Invention
In view of the above, the present invention aims to provide a subframe with high structural strength.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
The auxiliary frame comprises an auxiliary frame body, wherein the auxiliary frame body comprises auxiliary frame longitudinal beams arranged on the left side and the right side of a vehicle body, a front cross beam and a rear cross beam which are arranged at intervals, the front cross beam, the rear cross beam and the auxiliary frame longitudinal beams are connected and enclose to form an annular structure, a reinforcing beam is connected between the front cross beam and the rear cross beam, and the reinforcing beam separates the annular structure into a plurality of ring-dividing structures.
Further, the reinforcing beams are arranged at intervals, a reinforcing piece is connected between one reinforcing beam and the front cross beam, the reinforcing piece, the reinforcing beam and the front cross beam are formed into a triangular ring structure in a surrounding mode, and/or a compressor installation part is arranged on the reinforcing piece and the front cross beam.
Further, a suspension bracket is arranged on the rear cross beam, the suspension bracket is cast and molded, and/or the profile of the cross section of the rear cross beam is trapezoid, a plurality of triangular cavities are formed in the rear cross beam, and each cavity extends along the length direction of the rear cross beam.
Further, the front end of the auxiliary frame longitudinal beam is provided with a transverse stabilizer bar mounting part, and/or the rear end of the auxiliary frame longitudinal beam is provided with a backward extending part, and the extending part is provided with a vehicle body front wall connecting part.
Further, a diverter assembly mounting portion is arranged at the top of the auxiliary frame longitudinal beam, and/or a suspension mounting portion is arranged at the side portion of the auxiliary frame longitudinal beam.
Further, the auxiliary frame longitudinal beam comprises a main body part extending along the front-back direction of the whole vehicle and a protruding part arranged at the front end of the main body part, the protruding part is arranged in a protruding mode along the up-down direction of the whole vehicle, the steering gear assembly mounting part is arranged on the protruding part, and the suspension mounting part is arranged on the main body part.
The front part is triangular and is provided with a front suspension control arm connecting part, and the steering gear assembly mounting part is arranged on the rear part.
Further, a groove is formed in the main body portion, the groove extends in the front-rear direction of the whole vehicle, a mounting column is arranged in the groove, the suspension mounting portion is arranged on the mounting column, and a plurality of reinforcing ribs which are radially arranged with the mounting column as a center are arranged in the groove.
Further, each auxiliary frame longitudinal beam is cast, the front cross beam and the rear cross beam are extruded, and/or the auxiliary frame body is made of magnesium alloy.
Compared with the prior art, the invention has the following advantages:
According to the auxiliary frame, the auxiliary frame longitudinal beams arranged on the left side and the right side of the vehicle body, the front cross beam and the rear cross beam are formed into the annular structure in a surrounding mode, the strength of the auxiliary frame and the dispersing and transmitting effect on collision force are improved, and the reinforcing beams are arranged, so that the strength and the torsional rigidity of the auxiliary frame are improved, meanwhile, the annular structure is separated into a plurality of annular structures, and the collision performance of the auxiliary frame is improved.
In addition, the plurality of reinforcing beams are matched, the lifting effect on the strength and torsional rigidity of the auxiliary frame is good, the triangular structure formed by surrounding among the reinforcing piece, the reinforcing beams and the front cross beam is utilized, the structural stability of the reinforcing beams can be further improved by utilizing the characteristic that the triangle has stability, and the mounting part of the compressor is arranged on the reinforcing piece and the front cross beam, so that the mounting stability of the compressor on the auxiliary frame can be improved. The cross section of the rear cross beam is trapezoidal in outline and a plurality of triangular cavities are beneficial to improving the structural strength of the rear cross beam, so that the rear cross beam has higher bearing capacity.
In addition, the transverse stabilizer bar mounting part at the front end of the auxiliary frame longitudinal beam is beneficial to the mounting of the transverse stabilizer bar, so that the safety of the auxiliary frame can be improved, and the auxiliary frame is mounted reliably by arranging the extension part at the rear end of the auxiliary frame longitudinal beam and arranging the vehicle body front wall connecting part on the extension part, thereby being beneficial to the connection of the auxiliary frame longitudinal beam and the vehicle body front wall. The top of the auxiliary frame longitudinal beam is provided with a steering gear assembly installation part which is beneficial to the installation of a steering gear, and the suspension installation part is beneficial to the connection between a suspension and an auxiliary frame. The arrangement of the main body part and the protruding part is beneficial to reducing the weight on the premise of meeting the requirements of connection and installation, thereby being beneficial to reducing the production cost.
Furthermore, the front part and the rear part on the convex part are beneficial to the installation of the front suspension control arm and the steering gear assembly, and the front part is triangular, so that the connection stability of the front part and the front suspension control arm is improved. Through set up the recess on the main part, do benefit to the weight that reduces the main part, and reach reduction in production cost's purpose to through the setting of erection column and a plurality of strengthening rib, do benefit to the structural strength who promotes the main part, and the simple structure of recess, erection column and strengthening rib, easily machine-shaping, and excellent in use effect. The front cross beam and the rear cross beam are both formed by casting, so that the processing and forming of the auxiliary frame are facilitated, the production cost of the auxiliary frame is reduced, the structural strength of the auxiliary frame is further improved, and the auxiliary frame body is made of magnesium alloy, so that the weight of the auxiliary frame is reduced, and the weight of the automobile body is reduced.
Another object of the present invention is to provide a vehicle provided with the sub-frame as described above.
According to the vehicle, the auxiliary frame is arranged, so that the safety of the vehicle is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of a subframe according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a subframe according to an embodiment of the present invention in another view;
fig. 3 is a schematic structural view of a front cross member, a rear cross member and a reinforcing beam according to an embodiment of the present invention;
FIG. 4 is a schematic view of a subframe rail according to an embodiment of the present invention from one perspective;
FIG. 5 is a schematic view of a subframe rail according to an embodiment of the present invention from another perspective;
FIG. 6 is a schematic view of a rear cross member according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a connection between a subframe and a front wall of a vehicle body according to an embodiment of the present invention.
Reference numerals illustrate:
1. A subframe rail; 2, a front cross beam, 3, a rear cross beam, 4, a reinforcing beam, 5, a transverse stabilizer bar, 6, a compressor, 7, a steering gear assembly, 8, a front suspension control arm, 9, a suspension, 10 and a front wall of a vehicle body;
100. 200, an annular structure;
101. Main body portion 1011, stabilizer bar mounting hole 1012, extension portion 1013, vehicle body front wall connecting hole 1014, suspension mounting hole 1015, reinforcing piece 102, projection portion 1021, front portion 1022, rear portion 1023, steering gear assembly mounting hole 1024, front suspension control arm connecting hole 103, groove 104, mounting post 105, reinforcing rib 106, slot;
301. Suspension bracket 302, reinforcement member 303, compressor mounting hole 304, cavity 305, first separation rib 306, second separation rib;
1001. An insert.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, the terms "upper, lower, left, right, front, and rear" used in the present embodiment are defined with reference to the up-down direction, the left-right direction, and the front-rear direction of the entire vehicle. The vertical direction of the whole vehicle, namely the height direction of the whole vehicle, the front-back direction of the whole vehicle, namely the length direction of the whole vehicle, and the left-right direction of the whole vehicle, namely the width direction of the whole vehicle. In addition, the terms "first," "second," are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, in the description of the present invention, the terms "mounted," "connected," and "connected," are to be construed broadly, unless otherwise specifically defined. For example, the components may be fixedly connected, detachably connected or integrally connected, mechanically connected or electrically connected, directly connected or indirectly connected through an intermediate medium, or communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in combination with specific cases.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
The embodiment relates to a subframe, which aims at reducing production cost and simultaneously having higher structural strength by optimizing a self structure.
In the whole structure, the auxiliary frame comprises an auxiliary frame body 100, wherein the auxiliary frame body 100 comprises auxiliary frame longitudinal beams 1 arranged on the left side and the right side of a vehicle body, a front cross beam 2 and a rear cross beam 3 which are arranged at intervals, and the front cross beam 2 and the rear cross beam 3 are connected with the auxiliary frame longitudinal beams 1 and encircle to form an annular structure 200. Wherein, be connected with stiffening beam 4 between front cross member 2 and rear cross member 3, stiffening beam 4 separates annular structure 200 into a plurality of ring structures that divide.
The auxiliary frame of the embodiment forms an annular structure 200 with the front cross beam 2 and the rear cross beam 3 through the auxiliary frame longitudinal beams 1 arranged on the left side and the right side of the vehicle body, which is beneficial to improving the strength of the auxiliary frame and the dispersing and transmitting effect of collision force. And through setting up stiffening beam 4, when doing benefit to the torsional rigidity and the intensity that promote the sub vehicle frame, still separate annular structure 200 into a plurality of sub-annular structure 200, do benefit to the collision performance who improves the sub vehicle frame further to do benefit to the security that improves the sub vehicle frame.
Based on the above general description, an exemplary structure of the subframe described in the present embodiment is shown in fig. 1 and 2. As a preferred embodiment, the reinforcing beam 4 is a plurality of reinforcing beams arranged at intervals. For example, the number of the reinforcing beams 4 is two as shown in the figure, the front ends of the two reinforcing beams 4 are welded to the rear side of the front cross member 2, and the rear ends of the two reinforcing beams 4 are welded to the front side of the rear cross member 3. The ring structure 200 is divided into three split ring structures by two reinforcement beams 4.
In this embodiment, the three split ring structures are sleeved with the whole annular structure 200, which is beneficial to increasing the force transmission path of the auxiliary frame body 100, so that the dispersing and transmitting effect of the auxiliary frame body 100 on the collision force can be improved, and the collision performance of the auxiliary frame can be improved. In addition, the two reinforcing beams 4 also make the stability of the ring structure 200 higher, with higher strength. It can be understood that the number of the reinforcing beams 4 can be adaptively increased or decreased according to the use requirement, so long as the use requirement is satisfied.
As a preferred arrangement, a reinforcement 302 is connected between one reinforcement beam 4 and the front cross member 2, and the reinforcement 302, the reinforcement beam 4 and the front cross member 2 are formed in a triangular ring structure. Here, the triangular structure enclosed between the reinforcement 302, the reinforcement beam 4, and the front cross member 2 can utilize the characteristic that the triangle has stability, which is beneficial to further improving the connection stability of the reinforcement beam 4.
In a specific structure, as shown in fig. 1, the left and right sides of the front end of the reinforcing beam 4 disposed on the left are provided with reinforcing members 302, the front end of the reinforcing member 302 is welded to the rear side of the front cross beam 2, and the rear end of the reinforcing member 302 is welded to the outer side of the reinforcing beam 4, so that two triangular structures are symmetrically formed on both sides of the front end of the reinforcing beam 4. And the two triangular structures are spliced into a large triangular structure, so that the structural stability of the front end of the reinforcing beam 4 is further improved.
In this embodiment, the cross section of the stiffener 302 is in a horizontal arrangement, and the opening is in a "U" shape arranged to the stiffening beam 4. The stiffener 302 has the advantages of simple structure, easy processing and forming, and high structural strength. By arranging the reinforcing members 302 on the left and right sides of the reinforcing beam 4, the connection stability between the reinforcing beam 4 and the front cross beam 2 is further improved. It will be appreciated that the number, location, and cross-sectional shape of the stiffening members 302 in this embodiment may be adjusted according to the application requirements.
To facilitate the mounting of the compressor 6 on the subframe, the reinforcement 302 and the front cross member 2 are provided with compressor mounting portions. Here, the compressor mounting portion is provided to the stiffener 302 and the front cross member 2, and the stability of the mounting of the compressor 6 to the subframe can be improved by utilizing the stability of the triangle structure. As shown in fig. 1, the compressor mounting portion here is a compressor mounting hole 303 provided in part on the two reinforcement members 302 and the front cross member 2, and the compressor 6 is mounted on the subframe by connection of bolts and nuts passing through itself and the compressor mounting hole 303.
In this embodiment, the compressor mounting hole 303 is particularly disposed at a triangular structure, which is beneficial to improving the mounting stability of the compressor 6, and the compressor mounting hole 303 has a simple structure, is easy to process and form, and is convenient for mounting the compressor 6.
As shown in fig. 4 and 5 in combination, the front end of the sub frame rail 1 is provided with a stabilizer bar mounting portion. Here, the stabilizer bar mounting portion at the front end of the sub frame rail 1 facilitates the mounting of the stabilizer bar 5, and can improve the safety of the sub frame. In particular, the stabilizer bar mounting portion includes a stabilizer bar mounting hole 1011 formed in the front end surface of the sub-frame rail 1, and the end portion of the stabilizer bar 5 is screwed to the corresponding stabilizer bar mounting hole 1011 via a bolt penetrating the stabilizer bar 5, thereby connecting the end portion of the stabilizer bar 5 to the sub-frame.
Further, as shown in fig. 4 and 5, the rear end of the sub frame rail 1 is provided with an extension portion 1012 extending rearward, and the extension portion 1012 is provided with a vehicle body front wall connecting portion. The extension 1012 here has a plate shape and is connected to the bottom of the rear end of the sub frame rail 1. The body front wall connection portion is a plurality of body front wall connection holes 1013 provided on the extension portion 1012.
As shown in fig. 7, corresponding to the body front wall connection hole 1013, a lap joint structure lap-jointed to the extension portion 1012 is provided on the body front wall 10, an insert 1001 of aluminum alloy is embedded in the lap joint structure, and a screw hole provided corresponding to the body front wall connection hole 1013 is provided on the insert 1001. The bolts pass through the front wall connecting holes 1013 of the vehicle body from the bottom of the extension part 1012 and are screwed with the corresponding threaded holes, so that the connection between the auxiliary frame and the front wall 10 of the vehicle body is realized.
In this embodiment, the extension portion 1012 is provided at the rear end of the sub-frame rail 1, and the vehicle body front wall connecting portion is provided on the extension portion 1012, so that the connection between the sub-frame rail 1 and the vehicle outer front wall is facilitated, and the mounting reliability of the sub-frame is improved.
In order to improve the structural strength of the extension portion 1012, a plurality of reinforcing pieces 1015 are disposed at intervals at the rear ends of the extension portion 1012 and the sub-frame rail 1, the reinforcing pieces 1015 are right triangle-shaped, and two right angle sides thereof are respectively connected with the bottom of the extension portion 1012 and the rear end face of the sub-frame rail 1. Here, the reinforcing piece 1015 is simple in structure, and can improve stability at the extension portion 1012 and connection stability between the extension portion 1012 and the body front wall 10 by utilizing the advantage of high stability of the triangle shape.
As a preferred embodiment, the top of the sub frame rail 1 is provided with a steering gear assembly mounting portion, which facilitates the mounting of the steering gear. The side of the auxiliary frame longitudinal beam 1 is provided with a suspension mounting part, and the suspension mounting part is beneficial to the connection between the suspension 9 and the auxiliary frame.
Specifically, as shown in fig. 4 and 5, the sub frame rail 1 includes a main body portion 101 extending in the front-rear direction of the vehicle, and a projecting portion 102 provided at the front end of the main body portion 101, and the projecting portion 102 is provided projecting upward in the up-down direction of the vehicle, and a steering gear assembly mounting portion is provided on the projecting portion 102, and a suspension mounting portion is provided on the main body portion 101. The arrangement of the main body portion 101 and the protruding portion 102 in this embodiment is advantageous for reducing the weight of the sub-frame rail 1 on the premise of meeting the connection and installation requirements, thereby facilitating the reduction of the production cost.
In this embodiment, the protruding portion 102 includes a front portion 1021 and a rear portion 1022 that are sequentially connected in the front-rear direction of the vehicle, the front portion 1021 being triangular, and provided with a front suspension control arm connection portion, and a steering gear assembly mounting portion being provided on the rear portion 1022. Here, the front portion 1021 and the rear portion 1022 on the protruding portion 102 facilitate the installation of the front suspension control arm 8 and the steering gear assembly 7, and the front portion 1021 is triangular, which facilitates the connection stability of the front portion 1021 and the front suspension control arm 8.
The front suspension control arm connecting portion is a front suspension control arm connecting hole 1024 formed in the top of the front portion 1021, and the rear end of the vehicle body longitudinal beam is sleeved at the front end of the front suspension control arm 8. The steering gear assembly mounting part is a steering gear assembly mounting hole 1023 arranged at the top of the rear part 1022, and the front suspension control arm connecting hole 1024 and the steering gear assembly mounting hole 1023 are simple in structure and beneficial to mounting of the front suspension control arm 8 and the steering gear assembly 7 on the auxiliary frame, so that the service performance of the auxiliary frame is improved.
During specific installation, bolts penetrate through the front suspension control arm connecting holes 1024 and the vehicle body longitudinal beam and then are connected with nuts on the front suspension control arm 8, so that the front suspension control arm 8 is installed on the auxiliary frame. The end of the steering gear assembly 7 is mounted on the subframe via a bolt and nut connection through itself and the corresponding steering gear assembly mounting hole 1023.
In order to reduce the weight of the sub-frame rail 1, it is preferable that the main body portion 101 is provided with a groove 103, the groove 103 extends in the front-rear direction of the vehicle, and a mounting post 104 is provided in the groove 103, and the suspension mounting portion is provided on the mounting post 104. A plurality of reinforcing ribs 105 are radially provided in the groove 103 centering on the mounting posts 104.
Here, through set up recess 103 on main part 101, do benefit to the weight that reduces main part 101, and reach the purpose that reduces sub vehicle frame longeron 1 manufacturing cost to through the setting of erection column 104 and a plurality of strengthening rib 105, do benefit to the structural strength who promotes main part 101, and recess 103, erection column 104 and strengthening rib 105 simple structure, easily machine-shaping, and excellent in use effect.
In detail, referring to fig. 4 and 5, the left and right sides of the main body portion 101 are provided with grooves 103, which is advantageous in further reducing the weight of the sub-frame rail 1. The mounting posts 104 are four spaced apart from each other along the longitudinal direction of the main body portion 101 at the bottom of the recess 103, and the suspension mounting portions are suspension mounting holes 1014 provided in the mounting posts 104, and the suspension 9 is connected to the subframe by screwing bolts and nuts passing through the suspension mounting holes 1014 and itself.
Wherein, the plurality of reinforcing ribs 105 are radially arranged, that is, one end of each reinforcing rib 105 is connected with the peripheral wall of the corresponding mounting column 104, and the plurality of reinforcing ribs 105 connected on the same mounting column 104 extend outwards along the radial direction of the mounting column 104, and are arranged at intervals in the circumferential direction of the mounting column 104.
In this embodiment, the plurality of reinforcing ribs 105 are radially arranged with the mounting column 104 as the center, which is beneficial to improving the structural strength of the main body 101 and the structural strength of the mounting column 104, that is, the structural strength of the joint of the suspension 9 and the mounting column 104, and further improving the mounting reliability of the suspension 9 and the auxiliary frame. Of course, the number of the mounting posts 104 can be adjusted according to the application requirements.
In order to improve the installation effect of the front cross beam 2 and the rear cross beam 3, the left side and the right side of the front cross beam 2 and the rear cross beam 3 are respectively inserted into the auxiliary frame longitudinal beam 1 on the corresponding side. As shown in fig. 3 and 5, slots 106 provided corresponding to the left and right sides of the front and rear cross members 2 and 3 are provided on the inner side of the main body portion 101, respectively, and the left and right sides of the front and rear cross members 2 and 3 are inserted into the corresponding slots 106, respectively. The front cross beam 2, the rear cross beam 3 and the two auxiliary frame longitudinal beams 1 are mounted and positioned, and are connected between the two auxiliary frame longitudinal beams 1 in a welding mode, so that the connection strength of the front cross beam 2 and the rear cross beam 3 between the two auxiliary frame longitudinal beams 1 is improved.
As shown in fig. 1 to 3, the rear cross member 3 is provided with a suspension bracket 301, and the suspension bracket 301 is cast. The cast suspension bracket 301 is easy to mold and reduces production cost. Specifically, the suspension bracket 301 is connected to the front side of the rear cross member 3 and is located between the two reinforcement beams 4, and the suspension bracket 301 is generally in a "U" shape that is open and disposed forward, and has an extended connection portion disposed toward the front cross member 2, and the suspension is located at the two connection portions and is connected to the suspension bracket 301 via bolts passing through the two connection portions and the suspension.
As a preferred embodiment, as shown in fig. 6, the cross section of the rear cross member 3 has a trapezoidal shape in outline, and a plurality of triangular cavities 304 are formed in the rear cross member 3, each cavity 304 extending in the longitudinal direction of the rear cross member 3. Wherein, the outline of the cross section is trapezoid, and the width of the upper side length is smaller than the width of the lower side length in the outline of the cross section of the rear cross beam 3, so as to be beneficial to improving the bearing capacity of the rear cross beam 3.
In this embodiment, the triangular cavities 304 are beneficial to improving the structural strength of the rear cross member 3, so that the rear cross member 3 has a higher bearing capacity. In order to form the triangular cavity 304, still referring to fig. 6, a plurality of first dividing ribs 305 are disposed in the cavity of the rear cross member 3, the first dividing ribs 305 divide the cavity into a plurality of square or triangular sub-cavities, and second dividing ribs 306 are disposed in each sub-cavity in an inclined manner, and the second dividing ribs 306 divide the sub-cavities into two triangular cavities 304, respectively. In addition, the cooperation of the first separating rib 305 and the second separating rib 306 is also beneficial to improving the structural strength of the rear cross beam 3.
In addition, the subframe body 100 in the embodiment is preferably made of magnesium alloy, and the density of the magnesium alloy is only 1800kg/m3, so that the characteristic of light weight of the magnesium alloy can be utilized, and the weight of the subframe is reduced, thereby being beneficial to the weight reduction of the vehicle body. Of course, in the specific implementation, other alloys may be used for processing the subframe body 100 in addition to the magnesium alloy, so long as the weight of the subframe body 100 is reduced.
In this embodiment, each sub-frame rail 1 is cast, and the front cross member 2 and the rear cross member 3 are extruded. The auxiliary frame longitudinal beam 1 is cast and formed, and the front cross beam 2 and the rear cross beam 3 are extruded and formed, so that the auxiliary frame is not only beneficial to the processing and forming of the auxiliary frame, but also beneficial to the reduction of the production cost of the auxiliary frame, and the structural strength of the auxiliary frame can be further improved.
The auxiliary frame in this embodiment can obtain auxiliary frame body 100 through optimizing self structure, sets up two auxiliary frame longerons 1, front beam 2, rear beam 3 and stiffening beam 4 isotructures, compares in prior art a plurality of steel plate piece splice welding's structural style, auxiliary frame in this embodiment only need develop four sets of moulds can, not only do benefit to reduce mould quantity, do benefit to reduction in production cost, but also do benefit to the lightweight of auxiliary frame for the automobile body is lighter, and then does benefit to the duration that increases the vehicle.
In addition, the auxiliary frame can reduce welding procedures in the installation process of the auxiliary frame by simplifying the structure and the number of parts, so that the installation of the whole auxiliary frame is simpler, and the auxiliary frame is beneficial to saving manpower and material resources. Furthermore, the auxiliary frame in the embodiment is beneficial to optimizing the space arrangement of the auxiliary frame and improving the performance of the whole vehicle. More importantly, the auxiliary frame in the embodiment also has higher structural strength, so that the strength and torsional rigidity of the vehicle body are improved, and the safety of the vehicle is improved.
In addition, the present embodiment also relates to a vehicle provided with the sub-frame as described above.
The auxiliary frame in this embodiment can be the preceding auxiliary frame of locating the automobile body front end, and the vehicle can be the motorcycle type such as sports car, and the auxiliary frame can be applied on different motorcycle types, has stronger expansibility. The vehicle of the embodiment is beneficial to improving the safety of the vehicle by arranging the auxiliary frame.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410165212.9A CN120422934A (en) | 2024-02-05 | 2024-02-05 | Auxiliary frame and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410165212.9A CN120422934A (en) | 2024-02-05 | 2024-02-05 | Auxiliary frame and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN120422934A true CN120422934A (en) | 2025-08-05 |
Family
ID=96565357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410165212.9A Pending CN120422934A (en) | 2024-02-05 | 2024-02-05 | Auxiliary frame and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN120422934A (en) |
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2024
- 2024-02-05 CN CN202410165212.9A patent/CN120422934A/en active Pending
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