CN219134304U

CN219134304U - Frame and vehicle

Info

Publication number: CN219134304U
Application number: CN202320248056.3U
Authority: CN
Inventors: 李延峰; 陆学青; 谈国荣; 吴有成; 张廷波; 郑禄双
Original assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Remote Commercial Vehicle R&D Co Ltd; Zhejiang Geely Remote New Energy Commercial Vehicle Group Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Remote Commercial Vehicle R&D Co Ltd; Zhejiang Geely Remote New Energy Commercial Vehicle Group Co Ltd
Priority date: 2023-02-06
Filing date: 2023-02-06
Publication date: 2023-06-06
Anticipated expiration: 2033-02-06

Abstract

The utility model relates to the technical field of vehicles, and discloses a vehicle frame and a vehicle, wherein the vehicle frame comprises: the anti-collision beam is arranged at the front end of the longitudinal beam, and an energy absorption box is connected between the anti-collision beam and the longitudinal beam. The energy-absorbing box is made of steel and is made of aluminum alloy, and the energy-absorbing box is made of aluminum; one end of the energy-absorbing box, which faces the anti-collision cross beam, is fixedly connected with a fixing component made of the same material, and the fixing component is detachably connected with the anti-collision cross beam; the fixed subassembly includes the mounting panel, and connect in the pterygoid lamina of the opposite both sides of mounting panel, anticollision crossbeam centre gripping in between two pterygoid lamina of fixed subassembly, and with the pterygoid lamina passes through the second fastener and is connected. The utility model improves the energy absorption effect when the vehicle collides, meets the requirement of vehicle compatibility, reduces the pulse index of the vehicle and reduces the optimization difficulty of passengers.

Description

Frame and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a vehicle frame and a vehicle.

Background

In the current C-NCAP regulation, a frontal 50% overlapping Movement Progressive Deformation Barrier (MPDB) collision test not only examines the occupant protection condition of the vehicle in the frontal collision of the vehicle, but also examines the collision invasion condition of the vehicle to the opposite vehicle. The non-bearing type vehicle frame is mainly applied to commercial vehicles, and has the characteristics of larger rigidity and poor energy absorption of the longitudinal beam at the front end of the vehicle. The situation that the invasion amount of the opposite vehicle is large is easily caused in the working condition of the MPDB of the C-NCAP management rule, so that the non-bearing type vehicle frame applied to the pick-up at present is difficult to meet the vehicle compatibility requirement in the working condition of the MPDB of the C-NCAP management rule, the Vehicle Pulse Index (VPI) index is higher, the difficulty of protecting and optimizing passengers is higher, and the opposite vehicle is easy to break down.

Disclosure of Invention

The utility model discloses a frame and a vehicle, which are used for improving the energy absorption effect during vehicle collision, meeting the vehicle compatibility requirement, reducing the vehicle pulse index and reducing the optimization difficulty of passengers.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

in a first aspect, there is provided a frame comprising: the anti-collision beam is arranged at the front end of the longitudinal beam, and an energy absorption box is connected between the anti-collision beam and the longitudinal beam.

In the frame, as the energy absorption boxes are arranged between the front ends of the anti-collision cross beam and the longitudinal beam, when a vehicle collides, the anti-collision cross beam extrudes the energy absorption boxes backwards, the energy absorption boxes have good energy absorption effect, the energy absorption effect in the collision process of the vehicle can be increased, the collision energy of the opposite vehicle during collision is reduced, the VPI index is effectively reduced, the protection of passengers of the vehicle is facilitated, and the optimization difficulty of the passengers is reduced. Meanwhile, the requirements of the MPDB on collision compatibility can be met, the vehicle frame is not easy to break down the opposite vehicle, the invasion breakdown of the opposite vehicle in the collision process is effectively reduced, and the vehicle frame has good collision compatibility.

Optionally, the material of the energy-absorbing box is different from the material of the anti-collision cross beam and the material of the corresponding longitudinal beam, and the energy-absorbing box is detachably connected with the anti-collision cross beam and the longitudinal beam respectively.

Optionally, the energy-absorbing box is towards the first connecting plate of the same material of one end fixedly connected with of longeron, the longeron is towards the second connecting plate of the same material of one end fixedly connected with of energy-absorbing box, first connecting plate with the butt joint of second connecting plate to connect through first fastener.

Optionally, the energy-absorbing box is towards the fixed subassembly of the same material of one end fixedly connected with of anticollision crossbeam, fixed subassembly with the anticollision crossbeam can dismantle and be connected.

Optionally, the fixed subassembly includes the mounting panel, and connect in the pterygoid lamina of the opposite both sides of mounting panel, crashproof crossbeam centre gripping in between two pterygoid lamina of fixed subassembly, and with the pterygoid lamina passes through the second fastener and connects.

Optionally, the portion of longeron towards the energy-absorbing box is equipped with a plurality of crushing structures at intervals in proper order, the crushing structure includes encircleing a plurality of crushing grooves of longeron interval setting.

Optionally, the crush boxes are all disposed at the cross-sectional corners of the stringers.

Optionally, the depth of the crush groove is between 4mm and 6 mm.

Optionally, the number of longerons is two, anticollision crossbeam sets up in two the front end of longeron, and with two between the longeron respectively through one the energy-absorbing box is connected.

In a second aspect, a vehicle is provided, which includes a vehicle body and the frame according to the above technical solution, where the vehicle body is fixedly connected to the frame.

The vehicle has the same advantages as the vehicle frame in the prior art, and is not described herein.

Drawings

FIG. 1 is a perspective view of a vehicle frame provided in an embodiment of the present application;

FIG. 2 is a side view of a vehicle frame provided in an embodiment of the present application;

FIG. 3 is a top view of a vehicle frame provided in an embodiment of the present application;

FIG. 4 is a perspective view of a front portion of a frame provided in an embodiment of the present application;

FIG. 5 is an exploded view of the structure shown in FIG. 4;

fig. 6 shows a schematic structural view of the fixing assembly in fig. 5.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order to more clearly recognize the vehicle frame provided by the embodiment of the application, the application scenario thereof will be briefly described below. The frame can be used as a non-bearing frame and applied to a vehicle with an independent frame, particularly applied to Yu Pika, but not limited to the vehicle, and also applied to a car or other vehicle types.

Please refer to fig. 1 to 6:

the vehicle frame provided by the embodiment of the application comprises: the anti-collision cross beam 2 and the longitudinal beam 1, wherein the anti-collision cross beam 2 is arranged at the front end of the longitudinal beam 1, and an energy absorption box 3 is connected between the anti-collision cross beam and the longitudinal beam 1, the energy absorption box 3 can be in a flat pipe shape, reinforcing ribs can be arranged in the flat pipe, and the energy absorption box can also be of a hollow structure. The individually arranged energy absorption boxes 3 are arranged between the corresponding longitudinal beams 1 and the corresponding anti-collision cross beams 2 along the front-rear direction of the vehicle, and do not occupy the space in the width direction of the vehicle additionally.

In the frame, as the energy absorption boxes 3 are arranged between the front ends of the anti-collision cross beam 2 and the two longitudinal beams 1, when a vehicle collides, the anti-collision cross beam 2 extrudes the energy absorption boxes 3 to the rear, and the energy absorption boxes 3 have good energy absorption effect, so that the energy absorption effect in the collision process of the vehicle can be increased, the collision energy of the opposite vehicle during the collision is reduced, the VPI index is effectively reduced, the passenger protection of the vehicle is facilitated, and the optimization difficulty of passengers is reduced. Meanwhile, the requirements of the MPDB on collision compatibility can be met, the vehicle frame is not easy to break down the opposite vehicle, the invasion breakdown of the opposite vehicle in the collision process is effectively reduced, and the vehicle frame has good collision compatibility.

The number of the longitudinal beams 1 can be two, the frame can also comprise a plurality of connecting cross beams 6 which are sequentially connected between the two longitudinal beams 1, the two longitudinal beams 1 and the plurality of connecting cross beams can be integrally formed, or can be formed respectively first and then assembled into a whole in sequence; and, the two stringers 1 may be symmetrically arranged. The anti-collision cross beam 2 is arranged at the front ends of the two longitudinal beams 1 and is connected with the two longitudinal beams 1 through the energy absorption boxes 3 respectively, when a collision accident occurs, the two longitudinal beams 1 and the anti-collision cross beam 2 form extrusion to the energy absorption boxes 3, the anti-collision cross beam 2 is dislocated backwards, the energy absorption effects on the left side and the right side are approximate, the balance stress is facilitated, the collision energy is concentrated on the same side, and large damage is caused.

In a specific embodiment, the material of the energy-absorbing box 3 is different from the material of the crashproof crossbeam 2 and the material of the corresponding longitudinal beam 1, and the energy-absorbing box 3 is detachably connected with the crashproof crossbeam 2 and the longitudinal beam 1 respectively. For example, the energy-absorbing box 3 can be made of aluminum, aluminum is easy to deform, the energy-absorbing capacity of the energy-absorbing box 3 can be improved, on the other hand, aluminum is light, the overall weight of the frame can be reduced, and the cost can be reduced. The longitudinal beam 1 can be made of high-strength materials such as steel, and the anti-collision cross beam 2 can be made of materials which are easy to deform so as to deform in time during collision and absorb collision energy, such as aluminum alloy. Because the energy-absorbing box 3 is required to be made of materials which are easier to deform, the energy-absorbing box 3 is not welded with the anti-collision cross beam 2 and the longitudinal beam 1 directly, so that the energy-absorbing box is prevented from being unstable and easy to fall off, and can be more firmly combined together in a detachable connection mode, and the energy-absorbing box 3 or the anti-collision cross beam 2 is convenient to replace after being deformed. The detachable connection mode can be concretely a bolt connection mode, a clamping connection mode and the like.

In a specific embodiment, the end of the energy-absorbing box 3 facing the longitudinal beam 1 is fixedly connected with a first connecting plate 41 made of the same material, the first connecting plate 41 can be made of aluminum so as to be formed integrally or welded with the first connecting plate 41, the structure is more stable, the end of the longitudinal beam 1 facing the energy-absorbing box 3 is fixedly connected with a second connecting plate 42 made of the same material, the second connecting plate 42 can be made of steel so as to be formed integrally or welded with the second connecting plate 42, the structure is more stable, the shapes of the first connecting plate 41 and the second connecting plate 42 can be identical, the sizes of the first connecting plate 41 and the second connecting plate 42 are equal, the first connecting plate 41 and the second connecting plate 42 are completely butted together and are connected through a first fastening piece, the first fastening piece can be a bolt or an assembly formed by matching a stud with two bolts in a threaded mode, and the two ends of the stud penetrate through the first connecting plate 41 and the second connecting plate 42 are fastened by nuts, and the first connecting plate 41 and the second connecting plate 42 are combined together. The first connecting plate 41 and the second connecting plate 42 jointly form a connecting assembly 4, so that the transition connection of the energy absorption boxes 3 and the longitudinal beams 1 made of different materials is realized.

In a specific embodiment, the end of the crash box 3 facing the crash beam 2 is fixedly connected with a fixing component 5 made of the same material, and the first connecting plate 41 may be made of aluminum, so that the crash box is formed integrally with the first connecting plate 41 or welded, the structure is more stable, the fixing component 5 is detachably connected with the crash beam 2, and a detachable connection mode may be specifically bolting and clamping. The shape of the fixing component 5 and the contact surface of the anti-collision cross beam 2 can be mutually adapted so as to increase the bonding strength and avoid loosening.

In a specific embodiment, the fixing component 5 may include a mounting plate 51, and wing plates 52 connected to opposite sides of the mounting plate 51 to form a U-shaped clamping groove, the arrangement direction of the wing plates 52 is parallel to the upper and lower end surfaces of the bumper beam 2, the bumper beam 2 is clamped between the two wing plates 52 of the fixing component 5, the mounting plate 51 may be attached to the mounting surface of the bumper beam 2 facing the energy absorption box 3, and the upper and lower surfaces of the bumper beam 2 are respectively connected with the two wing plates 52 in a one-to-one correspondence manner through second fasteners. The second fastener may be a bolt. The wing plates 52 can have a better limit effect on the crashproof cross beam 2 in the vertical direction, and at the same time, facilitate the improvement of the structural strength of the crashproof cross beam 2 in the width direction of the vehicle (the arrangement direction of the two longitudinal beams 1).

In a specific embodiment, the portion of the longitudinal beam 1 facing the crash box 3 is sequentially provided with a plurality of crushing structures at intervals, and the crushing structures comprise a plurality of crushing grooves 11 which are arranged around the longitudinal beam 1 at intervals. In the event of a crash, the crush cells 11 guide the crush to occur thereat so as to crush the front side members 1 in sequence without being liable to undergo torsional deformation, improving the crash energy absorption efficiency of the front half portions of the side members 1. The cross section of the longitudinal beam 1 may be square or other shapes with a stable structure.

In a specific embodiment, the cross section of the longitudinal beam 1 may be square, and the corners have chamfers, the crushing grooves 11 are all formed in the corners of the cross section of the longitudinal beam 1, the positions of the chamfers of the square longitudinal beam 1 are crushed, the corners belong to the parts with larger strength and harder crushing, and the crushing positions can be better guided by crushing the positions, so that the crushing is facilitated in sequence.

In a specific embodiment, the surfaces of the anti-collision cross beam 2 facing away from the two longitudinal beams 1 are formed with collision surfaces, and by increasing the width of the anti-collision cross beam 2 and the height in the vertical direction, the overlapping area of the collision surfaces and the MPDB is greater than 70%, and can be 71%, 75%, 80% and the like, so that the contact area with the opposite vehicle can be effectively increased, and the opposite vehicle is prevented from being broken down in the front collision process.

In a specific embodiment, the depth of the crushing groove 11 is between 4mm and 6mm, specifically may be 4mm, 5mm, 6mm, etc., if the depth is too large, the frame structure is unstable and is easy to break, and if the depth is too small, the crushing is difficult to occur and the energy absorption effect is poor.

Based on the same inventive concept, the embodiment of the application also provides a chassis, which comprises the frame provided by the embodiment.

In the frame of the chassis, as the energy absorption boxes 3 are arranged between the front ends of the anti-collision cross beam 2 and the two longitudinal beams 1, when a vehicle collides, the anti-collision cross beam 2 extrudes the energy absorption boxes 3 to the rear, and the energy absorption boxes 3 have good energy absorption effect, so that the energy absorption effect in the collision process of the vehicle can be increased, the collision energy of the opposite vehicle during the collision is reduced, the VPI index is effectively reduced, the passenger protection of the vehicle is facilitated, and the optimization difficulty of the passenger is reduced. Meanwhile, the requirements of the MPDB on collision compatibility can be met, the vehicle frame is not easy to break down the opposite vehicle, the invasion breakdown of the opposite vehicle in the collision process is effectively reduced, and the vehicle frame has good collision compatibility.

Based on the same inventive concept, the embodiments of the present application also provide a vehicle including a vehicle body and the tray provided by the above embodiments, the vehicle body being fixedly connected to the chassis.

In the frame of the vehicle, as the energy absorption boxes 3 are arranged between the front ends of the anti-collision cross beam 2 and the two longitudinal beams 1, when the vehicle collides, the anti-collision cross beam 2 extrudes the energy absorption boxes 3 to the rear, and the energy absorption boxes 3 have good energy absorption effect, so that the energy absorption effect in the collision process of the vehicle can be increased, the collision energy of the opposite vehicle during the collision is reduced, the VPI index is effectively reduced, the occupant protection of the vehicle is facilitated, and the occupant optimization difficulty is reduced. Meanwhile, the requirements of the MPDB on collision compatibility can be met, the vehicle frame is not easy to break down the opposite vehicle, the invasion breakdown of the opposite vehicle in the collision process is effectively reduced, and the vehicle frame has good collision compatibility.

It will be apparent to those skilled in the art that various modifications and variations can be made to the embodiments of the present utility model without departing from the spirit and scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. A vehicle frame, comprising: the anti-collision beam is arranged at the front end of the longitudinal beam, and an energy absorption box is connected between the anti-collision beam and the longitudinal beam;

the energy-absorbing box is made of materials different from those of the anti-collision cross beam and the corresponding longitudinal beam, and is detachably connected with the anti-collision cross beam and the longitudinal beam respectively, wherein the longitudinal beam is made of steel, the anti-collision cross beam is made of aluminum alloy, and the energy-absorbing box is made of aluminum;

one end of the energy-absorbing box, which faces the anti-collision cross beam, is fixedly connected with a fixing component made of the same material, and the fixing component is detachably connected with the anti-collision cross beam;

the fixed subassembly includes the mounting panel, and connect in the pterygoid lamina of the opposite both sides of mounting panel, anticollision crossbeam centre gripping in between two pterygoid lamina of fixed subassembly, and with the pterygoid lamina passes through the second fastener and is connected.

2. The frame of claim 1, wherein a first connecting plate of the same material is fixedly connected to one end of the energy-absorbing box facing the longitudinal beam, a second connecting plate of the same material is fixedly connected to one end of the longitudinal beam facing the energy-absorbing box, and the first connecting plate and the second connecting plate are in butt joint and are connected through a first fastener.

3. The frame of claim 1, wherein the portion of the rail facing the crash boxes is sequentially provided with a plurality of crush structures at intervals, the crush structures comprising a plurality of crush cans spaced around the rail.

4. A frame as claimed in claim 3, wherein the crush boxes are each provided at a cross-sectional corner of the rail.

5. A vehicle frame according to claim 3, wherein the depth of the crush slots is between 4mm and 6 mm.

6. The frame according to claim 1, wherein the number of the longitudinal beams is two, and the anti-collision cross beams are arranged at the front ends of the two longitudinal beams and are respectively connected with the two longitudinal beams through one energy absorption box.

7. A vehicle comprising a body and the frame of any one of claims 1 to 6, the body being fixedly attached to the frame.