Front cabin reinforcing structure and vehicle
By designing a reinforced structure including energy-absorbing box, anti-collision beam and longitudinal beam in the front cabin of the vehicle, the problem that the integrated die-cast molded engine cabin is not conducive to buffering and energy absorption in collisions is improved, and the safety and anti-collision ability of the vehicle are improved.
Patent Information
- Application Number
- CN202421172761.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-05-27
AI Technical Summary
The integrated die-cast molded engine compartment is not conducive to buffering and energy absorption during the collision, resulting in low vehicle safety.
A front cabin reinforcement structure is designed, including a first longitudinal beam, an energy-absorbing box, an anti-collision beam and an integrated die-cast front cabin main body. The energy-absorbing box is connected between the anti-collision beam and the first longitudinal beam, and the first longitudinal beam is connected to the front cabin main body at one end away from the energy-absorbing box.
By increasing the strength and stiffness of the front cabin reinforcement structure, the safety of the vehicle is enhanced. When a collision occurs, the energy-absorbing box can collapse and absorb energy, further improving the anti-collision ability.
Smart Images
Figure CN222905487U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of vehicles, and particularly relates to a front engine compartment strengthening structure and a vehicle. Background Art
[0002] At present, in order to improve the cruising range of new energy vehicles and meet the development needs of vehicle body lightweight, an integrally die-cast engine compartment is also adopted on some vehicles. However, compared with the traditional welded body structure, the integrally die-cast engine compartment has greater stiffness, and it is not conducive to buffering and energy absorption during the collision process when applied to the vehicle engine compartment. Therefore, vehicles with an integrally die-cast engine compartment have the technical problem of low safety. Summary of the Utility Model
[0003] Aiming at the technical problem that the integrally die-cast engine compartment in the prior art is not conducive to buffering and energy absorption during the collision process, the utility model provides a front engine compartment strengthening structure and a vehicle.
[0004] To solve the above problems, the first embodiment of the utility model provides a front engine compartment strengthening structure, which includes a first longitudinal beam, an energy absorption box, a bumper beam, and a front engine compartment main body formed by integral die-casting;
[0005] The energy absorption box is connected between the bumper beam and the first longitudinal beam, and one end of the first longitudinal beam away from the energy absorption box is connected to the front engine compartment main body.
[0006] Optionally, the front engine compartment main body includes a second longitudinal beam and a shock absorber tower seat connecting the second longitudinal beam, and one end of the first longitudinal beam away from the energy absorption box is connected to the front end of the second longitudinal beam.
[0007] Optionally, along the length direction of the vehicle, the length ratio of the energy absorption box, the first longitudinal beam, and the second longitudinal beam is 1:1:2.
[0008] Optionally, the front engine compartment strengthening structure further includes a front bulkhead installed on the front engine compartment main body.
[0009] Optionally, the front engine compartment strengthening structure includes two first longitudinal beams and two energy absorption boxes; the front engine compartment main body includes two second longitudinal beams;
[0010] One end of the two first longitudinal beams away from the bumper beam is respectively connected to one end of the two second longitudinal beams away from the shock absorber tower seat; one end of the two first longitudinal beams away from the bumper beam is respectively connected to one end of the two energy absorption boxes away from the bumper beam; the bumper beam is connected to one end of the two energy absorption boxes away from the two first longitudinal beams.
[0011] Optionally, the two first longitudinal beams, the two energy absorption boxes, and the two second longitudinal beams are all symmetrically arranged.
[0012] Optionally, the energy absorption box includes a box body having an internal space and a partition plate disposed in the internal space for partitioning the internal space; the box body is connected between the anti-collision beam and the first longitudinal beam; the partition plate is arranged parallel to the first longitudinal beam.
[0013] Optionally, the box body includes a first outer plate and a second outer plate arranged parallel to the partition plate; the first outer plate is provided with a first induced bending portion recessed toward the partition plate; the second outer plate is provided with a second induced bending portion recessed toward the partition plate.
[0014] Another embodiment of the present invention further provides a vehicle, including the above-mentioned front engine compartment reinforcement structure.
[0015] In the present invention, the energy absorption box is connected between the anti-collision beam and the first longitudinal beam, and one end of the first longitudinal beam away from the energy absorption box is connected to the integrally die-cast front engine compartment main body; thus, the anti-collision beam, the energy absorption box, and the first longitudinal beam can protect the front engine compartment main body from the front end, improving the strength and stiffness of the front engine compartment reinforcement structure and the safety of the vehicle; when the vehicle collides, the energy absorption box can play a role in collapsing and absorbing energy, thereby improving the anti-collision ability of the front engine compartment reinforcement structure and further improving the safety of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The present invention will be further described below in conjunction with the drawings and embodiments.
[0017] Figure 1 It is a top view of the front engine compartment reinforcement structure provided by an embodiment of the present invention;
[0018] Figure 2 It is a side view of the front engine compartment reinforcement structure provided by an embodiment of the present invention;
[0019] Figure 3 It is a schematic diagram of the front engine compartment reinforcement structure after energy absorption provided by an embodiment of the present invention.
[0020] The reference numerals in the specification are as follows:
[0021] 1. First longitudinal beam; 2. Energy absorption box; 21. Box body; 211. First outer plate; 212. Second outer plate; 213. First induced bending portion; 214. Second induced bending portion; 22. Partition plate; 3. Anti-collision beam; 4. Front engine compartment main body; 41. Second longitudinal beam; 42. Shock absorber tower; 5. Front bulkhead. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] In order to make the technical problems, technical solutions and beneficial effects solved by the present utility model more clear and understandable, the following further details the utility model in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.
[0023] It should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", "middle", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model.
[0024] As Figure 1 and Figure 2 shown, a front engine compartment reinforcement structure provided by the first embodiment of the present utility model includes a first longitudinal beam 1, an energy absorption box 2, a bumper beam 3, and a front engine compartment main body 4 integrally die-cast; preferably, the first longitudinal beam 1, the energy absorption box 2, and the bumper beam 3 can all be steel parts, and the front engine compartment main body 4 can all be aluminum parts; the front engine compartment main body 4 includes components such as a shock absorber tower seat 42 and a rear section of the engine compartment, and the front engine compartment main body 4 is manufactured by die-casting multiple components.
[0025] The energy absorption box 2 is connected between the bumper beam 3 and the first longitudinal beam 1, and one end of the first longitudinal beam 1 away from the energy absorption box 2 is connected to the front engine compartment main body 4. It can be understood that the rear end of the first longitudinal beam 1 is installed on the front engine compartment main body 4, the rear end of the energy absorption box 2 is connected to the front end of the first longitudinal beam 1, and the bumper beam 3 is installed at the front end of the energy absorption box 2.
[0026] In the present utility model, the energy absorption box 2 is connected between the bumper beam 3 and the first longitudinal beam 1, and one end of the first longitudinal beam 1 away from the energy absorption box 2 is connected to the integrally die-cast front engine compartment main body 4; thus, the bumper beam 3, the energy absorption box 2, and the first longitudinal beam 1 can protect the front engine compartment main body 4 from the front end, improving the strength and stiffness of the front engine compartment reinforcement structure and the safety of the vehicle; when the vehicle collides, the energy absorption box 2 can play a role in crushing and absorbing energy, thereby improving the anti-collision ability of the front engine compartment reinforcement structure and further improving the safety of the vehicle.
[0027] In one embodiment, as Figure 1 and Figure 2As shown, the front engine compartment main body 4 includes a second longitudinal beam 41 and a shock absorber tower 42 connecting the second longitudinal beam 41. One end of the first longitudinal beam 1 away from the energy absorption box 2 is connected to the front end of the second longitudinal beam 41. It can be understood that the shock absorber tower 42 can be used to install a vehicle shock absorber, and both the second longitudinal beam 41 and the shock absorber tower 42 are made of aluminum; the rear end of the first longitudinal beam 1 is installed at the front end of the second longitudinal beam 41, and the first longitudinal beam 1 and the second longitudinal beam 41 form an engine compartment longitudinal beam. That is to say, the engine compartment longitudinal beam is composed of a steel first longitudinal beam 1 and an aluminum second longitudinal beam 41, further improving the strength and stiffness of the engine compartment reinforcement structure.
[0028] In one embodiment, as Figure 1 shown, the front engine compartment reinforcement structure further includes a front bulkhead 5 installed on the front engine compartment main body 4. Preferably, the front bulkhead 5 is made of steel, and both the left and right ends of the front bulkhead 5 are installed on the front engine compartment main body 4; further improving the strength and stiffness of the front engine compartment reinforcement structure. In a specific embodiment, the front bulkhead 5 is installed on the front engine compartment main body 4 by a riveting process.
[0029] In one embodiment, as Figure 1 shown, the front engine compartment reinforcement structure includes two of the first longitudinal beams 1 and two of the energy absorption boxes 2; the front engine compartment main body 4 includes two of the second longitudinal beams 41;
[0030] The rear ends of the two first longitudinal beams 1 are respectively connected to the front ends of the two second longitudinal beams 41; the front ends of the two first longitudinal beams 1 are respectively connected to one end of the two energy absorption boxes 2 away from the bumper beam 3; the bumper beam 3 is connected to one end of the two energy absorption boxes 2 away from the two first longitudinal beams 1. It can be understood that the two energy absorption boxes 2 are respectively installed at one end of the two first longitudinal beams 1 away from the front engine compartment main body 4; an engine compartment space is enclosed among the front engine compartment main body 4, the first longitudinal beam 1, the energy absorption box 2, and the bumper beam 3, and components such as a power assembly, a radiator, and a fan can be arranged in the engine compartment space.
[0031] When designing the front engine compartment reinforcement structure, the length ratios of the energy absorption box 2, the first longitudinal beam 1, and the front engine compartment main body 4 (the second longitudinal beam 41) can be calculated through vehicle collision simulation analysis, and at the same time, the distance between the bumper beam 3 and the front engine compartment main body 4 is ensured. While ensuring the engine compartment space of the front engine compartment reinforcement structure, the strength, stiffness, and anti-collision ability of the front engine compartment reinforcement structure are also improved.
[0032] In one embodiment, along the length direction of the vehicle, the length ratio of the energy absorption box 2, the first longitudinal beam 1, and the second longitudinal beam 41 is 1:1:2. Further, along the length direction of the vehicle, the length of the energy absorption box 2 is greater than or equal to 200 mm. In this embodiment, by controlling the length ratio of the energy absorption box 2, the first longitudinal beam 1, and the second longitudinal beam 41, the distance between the anti-collision beam 3 and the front engine compartment main body 4 is ensured, and while ensuring the engine compartment space of the front engine compartment reinforcement structure, the strength, stiffness, and anti-collision ability of the front engine compartment reinforcement structure are also improved.
[0033] In one embodiment, as Figure 1 shown, the two first longitudinal beams 1, the two energy absorption boxes 2, and the two second longitudinal beams 41 are all symmetrically arranged. It can be understood that the two first longitudinal beams 1 are symmetrically arranged, and the two energy absorption boxes 2 are also symmetrically arranged, ensuring the aesthetic appearance of the front engine compartment reinforcement structure.
[0034] In one embodiment, Figure 3 the energy absorption box in Figure 1 is a specific implementation manner of the energy absorption box 2 located on the left side of the anti-collision beam in
[0035] In one embodiment, as Figure 3As shown, the box body 21 includes a first outer plate 211 and a second outer plate 212 that are arranged parallel to the partition plate 22; a first induced bending portion 213 that is recessed toward the partition plate 22 is provided on the first outer plate 213; a second induced bending portion 214 that is recessed toward the partition plate 22 is provided on the second outer plate 212. It can be understood that the first induced bending portion 213 and the second induced bending portion 214 are respectively arranged on the left and right side surfaces of the box body 21. The first induced bending portion 213 is a bending groove provided on the left side surface of the box body 21, and the second induced bending portion 214 is a bending groove provided on the right side surface of the box body 21; when the front engine compartment strengthening structure collides, the energy absorption box 2 is prone to collapse and absorb energy at the first induced bending portion 213 and the second induced bending portion 214, further enhancing the anti-collision ability of the front engine compartment strengthening structure.
[0036] In one embodiment, both the energy absorption box 2 and the anti-collision beam 3 are steel parts; the anti-collision beam 3 is welded to one end of the energy absorption box 2 away from the first longitudinal beam 1. The welding between the anti-collision beam 3 and the energy absorption box 2 ensures the stability of the anti-collision beam 3 installed on the energy absorption box 2.
[0037] In one embodiment, both the first longitudinal beam 1 and the energy absorption box 2 are steel parts; one end of the energy absorption box 2 away from the anti-collision beam 3 is connected to one end of the first longitudinal beam 1 away from the front engine compartment main body 4 by bolts. It can be understood that a first through hole is provided at the rear end of the energy absorption box 2, and a second through hole is provided at the front end of the first longitudinal beam 1. The energy absorption box 2 is installed at the front end of the first longitudinal beam 1 by bolts inserted into the first through hole and the second through hole.
[0038] In one embodiment, the first longitudinal beam 1 is a steel part; the front engine compartment main body 4 is an aluminum part; one end of the first longitudinal beam 1 away from the energy absorption box 2 is installed on the front engine compartment main body 4 by bolts. It can be understood that a third through hole is provided at the rear end of the first longitudinal beam 1, and a fourth through hole is provided on the front engine compartment main body 4. The first longitudinal beam 1 is installed on the front engine compartment main body 4 by bolts inserted into the third through hole and the fourth through hole.
[0039] In one embodiment, a collapse-induced groove (not shown in the figure) is provided on the first longitudinal beam 1. In this embodiment, the design of the collapse-induced groove enables the first longitudinal beam 1 to collapse and absorb energy from the collapse-induced groove when the front engine compartment strengthening structure collides, further enhancing the anti-collision ability of the front engine compartment strengthening structure.
[0040] Another embodiment of the present invention also provides a vehicle including the above-mentioned front engine compartment strengthening structure.
[0041] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A front cabin reinforcement structure, characterized in that: It includes a first longitudinal beam, an energy absorption box, an anti-collision beam and an integrally die-cast front cabin body; The energy absorption box is connected between the anti-collision beam and the first longitudinal beam, and one end of the first longitudinal beam away from the energy absorption box is connected to the front cabin body; The front nacelle body includes a second longitudinal beam and a shock absorber tower seat connected to the second longitudinal beam, and one end of the first longitudinal beam away from the energy absorption box is connected to the front end of the second longitudinal beam.
2. The front cabin reinforcement structure according to claim 1, characterized in that: The front cabin reinforcement structure includes two of the first longitudinal beams and two of the energy absorption boxes; the front cabin body includes two of the second longitudinal beams; One end of the two first longitudinal beams away from the anti-collision beam is respectively connected to one end of the two second longitudinal beams away from the shock absorber tower seat; one end of the two first longitudinal beams away from the anti-collision beam is respectively connected to one end of the two energy absorption boxes away from the anti-collision beam; the anti-collision beam connects one end of the two energy absorption boxes away from the two first longitudinal beams.
3. The front cabin reinforcement structure according to claim 2, characterized in that: The two first longitudinal beams, the two energy absorption boxes and the two second longitudinal beams are all symmetrically arranged.
4. The front cabin reinforcement structure according to claim 1, characterized in that: Along the length direction of the vehicle, a length ratio of the energy absorption box, the first longitudinal beam, and the second longitudinal beam is 1:1:
2.
5. The front cabin reinforcement structure according to claim 1, characterized in that: The front nacelle reinforcement structure further includes a dash panel mounted on the front nacelle body.
6. The front cabin reinforcement structure according to claim 1, characterized in that: The energy absorption box includes a box body with an internal space and a partition plate arranged in the internal space and used to separate the internal space; the box body is connected between the anti-collision beam and the first longitudinal beam; the partition plate is arranged parallel to the first longitudinal beam.
7. The front cabin reinforcement structure according to claim 6, characterized in that: The box body includes a first outer plate and a second outer plate arranged parallel to the partition; a first induced bending portion recessed toward the partition is provided on the first outer plate; and a second induced bending portion recessed toward the partition is provided on the second outer plate.
8. The front cabin reinforcement structure according to claim 1, characterized in that: The first longitudinal beam is provided with a collapse inducing groove.
9. A vehicle, characterized in that: It comprises the front cabin reinforcement structure according to any one of claims 1 to 8.