CN219295351U - Energy-absorbing box and anticollision institution - Google Patents

Abstract

The utility model provides an energy-absorbing box and an anti-collision mechanism, which belong to the field of vehicle manufacturing, wherein the energy-absorbing box comprises: the frame structure is arranged in the cavity and connected with the surrounding wall, and the frame structure and the surrounding wall are integrally formed. According to the energy-absorbing box, the energy-absorbing box is integrally formed, and only one die is needed. The energy-absorbing box is formed by welding three stamping sheet metal parts in the prior art, and the welding fixture is required to be independently developed in the welding process, so that the technical problem of high cost consumption is solved.

Description

Energy-absorbing box and anticollision institution

Technical Field

The utility model relates to the field of vehicle manufacturing, in particular to an energy absorption box and an anti-collision mechanism.

Background

The automobile crash safety refers to the performance of protecting occupants or pedestrians in an automobile from injury or minimizing injury after a traffic accident.

In order to achieve the collision safety of automobiles, in the prior art, an anti-collision mechanism is proposed, which comprises: the anti-collision beam and the energy-absorbing box are formed by welding three stamping sheet metal parts, and then the anti-collision beam is welded on the energy-absorbing box. The energy absorption box and the anti-collision beam have the function of absorbing energy generated by collision of the automobile when the automobile collides, so that injury to people is avoided or reduced. Specifically, when the automobile collides, the energy absorbing device firstly acts on the automobile anti-collision beam, then causes the anti-collision beam to bend and deform, and then is transmitted into the automobile energy absorption box by the anti-collision beam, so that the energy absorbing device can maximally reduce injury to people and protect life and property safety of passengers.

However, in the prior art, the energy-absorbing box is formed by welding three stamping sheet metal parts, and in the welding process, a welding fixture is required to be independently developed, so that the cost consumption is high.

Based on this, the present utility model has been made.

Disclosure of Invention

The utility model provides an energy-absorbing box and an anti-collision mechanism, which are used for solving the technical problems that in the prior art, the energy-absorbing box is formed by welding three stamping sheet metal parts, and a welding fixture is required to be independently developed in the welding process, so that the cost is high.

The utility model provides an energy-absorbing box, which comprises: the frame structure is arranged in the cavity and connected with the surrounding wall, and the frame structure and the surrounding wall are integrally formed.

Specifically, in the application, the energy-absorbing box comprises a surrounding wall and a frame structure, wherein the surrounding wall surrounds a cavity, so that the whole weight of the energy-absorbing box is lighter, and the cruising ability of a vehicle is improved; the frame structure is arranged in the cavity, and the mode of arranging the frame structure can effectively increase the integral strength of the energy-absorbing box because the surrounding wall is the cavity, so that the low-speed collision protection effect is enhanced.

Furthermore, the present application uses integrally formed enclosure walls and frame structures, i.e. a single mold for production. The energy-absorbing box is formed by welding three stamping sheet metal parts in the prior art, and the welding fixture is required to be independently developed in the welding process, so that the technical problem of high cost consumption is solved.

Preferably, the frame structure comprises at least one first reinforced wall body, the first reinforced wall body comprises a plurality of first reinforced walls and a plurality of second reinforced walls, and the first reinforced walls and the second reinforced walls are staggered and spliced in sequence.

The frame structure comprises a first reinforcing wall body, wherein the first reinforcing wall body comprises a plurality of first reinforcing walls and a plurality of second reinforcing walls. The first reinforcing walls and the second reinforcing walls are arranged in a staggered mode and spliced in sequence, that is, two ends of the second reinforcing walls are respectively connected with the two first reinforcing walls. Through the arrangement mode, the structural strength of the energy absorption box can be ensured.

Preferably, the frame structure further comprises at least one second reinforcing wall body, the second reinforcing wall body and the first reinforcing wall body are arranged at intervals, the second reinforcing wall body comprises a plurality of third reinforcing walls and a plurality of fourth reinforcing walls, and the third reinforcing walls and the fourth reinforcing walls are arranged in a staggered mode and are spliced and connected in sequence.

Under the condition that the frame structure comprises a first reinforced wall body, the frame structure further comprises a second reinforced wall body, wherein the second reinforced wall and the first reinforced wall are arranged at intervals in the Y direction and respectively close to two opposite side walls of the surrounding wall, namely, the first reinforced wall is close to one side wall, the second reinforced wall is close to the other opposite side wall, the second reinforced wall body comprises a plurality of third reinforced walls and a plurality of fourth reinforced walls, and the third reinforced walls and the fourth reinforced walls are arranged in a staggered mode and are spliced and connected in sequence. Through the mode of setting like this, can make the overall structure atress of energy-absorbing box even to the bulk strength of energy-absorbing box has been increased more effectively.

It should be noted that, the X-direction is the X-axis direction of the vehicle in the prior art, that is, the way from the head to the tail of the vehicle; the Y direction is the Y-axis direction of the vehicle in the prior art, namely the width direction of the vehicle; z is intended to be the Z-axis direction of the vehicle in the prior art, i.e., the height direction of the vehicle.

Preferably, the enclosure wall comprises a top wall, a bottom wall, a first side wall and a second side wall, wherein the first side wall and the second side wall are arranged at intervals and are connected to the top wall and the bottom wall; both ends of the first reinforcing wall body and the second reinforcing wall body are respectively connected to the top wall and the bottom wall, and the first reinforcing wall and the fourth reinforcing wall are obliquely arranged towards the second side wall, and the second reinforcing wall and the third reinforcing wall are obliquely arranged towards the first side wall.

The enclosure wall includes a top wall, a bottom wall, a first side wall, and a second side wall. Wherein, first lateral wall and second lateral wall set up along Y to the interval and all connect in roof and diapire to enclose into above-mentioned cavity, the both ends of first enhancement wall body are connected with the inner wall of first lateral wall and the inner wall of second lateral wall respectively, and the both ends of second enhancement wall body are connected with the inner wall of first lateral wall and the inner wall of second lateral wall respectively, and wherein, first enhancement wall body is close to first lateral wall, and second enhancement wall body is close to the second lateral wall, can increase the installation intensity of energy-absorbing box Z to effectively.

In addition, first reinforcing wall and fourth reinforcing wall all set up towards the slope of second lateral wall, and second reinforcing wall and third reinforcing wall all set up towards first lateral wall slope to can play guard action to cabin front portion water tank frame etc. in the frontal low-level collision effectively, reduce cost of maintenance. The device plays a role in collapsing and absorbing energy in high-speed collision, and protects the safety of passengers in the vehicle.

Preferably, the third reinforcing wall corresponds to one first reinforcing wall and is symmetrically arranged with the corresponding first reinforcing wall; the fourth reinforcing wall corresponds to one second reinforcing wall and is symmetrically arranged with the corresponding second reinforcing wall.

The third reinforcing walls are in one-to-one correspondence with the first reinforcing walls, the fourth reinforcing walls are in one-to-one correspondence with the second reinforcing walls, the third reinforcing walls are symmetrically arranged with the first reinforcing walls, and the fourth reinforcing walls and the second reinforcing walls are symmetrically arranged. By the arrangement mode, the stability of the whole structure of the energy absorption box can be effectively improved.

Preferably, the frame structure further includes a plurality of intermediate connecting walls disposed at intervals, one end of each intermediate connecting wall is connected to a connection portion between the first reinforcing wall and the second reinforcing wall, and the other end is connected to a connection portion between the third reinforcing wall and the fourth reinforcing wall.

The frame structure further includes a plurality of intermediate connecting walls disposed in spaced apart relation. Wherein, a plurality of intermediate junction walls are placed horizontally, and the both ends of every intermediate junction wall are connected with the junction of first enhancement wall and second enhancement wall and the junction of third enhancement wall and fourth enhancement wall respectively to can increase energy-absorbing box Y to structural strength, and then increase energy-absorbing box overall structure's intensity.

Preferably, the adjacent two intermediate connecting walls and the first, second, third and fourth reinforcing walls therebetween together enclose a hexagonal cavity.

The first reinforcing wall, the second reinforcing wall, the third reinforcing wall and the fourth reinforcing wall which are adjacent to each other and are positioned between the two middle connecting walls are sequentially connected together to form a hexagonal cavity, namely, the hexagonal cavity is a hexagonal cavity formed by 6 side walls in a surrounding mode, the middle of the hexagonal cavity is hollow, and the weight of the frame structure can be effectively reduced through the arrangement mode.

Preferably, one end of the energy absorption box is provided with a U-shaped opening, and the U-shaped opening is used for accommodating and installing the anti-collision beam.

One end of the energy-absorbing box is provided with a U-shaped opening, and the anti-collision beam is welded in the U-shaped opening. The U-shaped opening can effectively increase the welding length between the anti-collision beam and the energy-absorbing box, so that the connection strength of the anti-collision beam and the energy-absorbing box is improved.

Preferably, the energy absorption box is provided with a mounting hole in a penetrating manner, and the mounting hole is used for being detachably connected with the longitudinal beam.

The side of the energy-absorbing box, which is far away from the anti-collision beam, is provided with a plurality of mounting holes in a penetrating way, that is, the first side wall and the second side wall of the energy-absorbing box are respectively provided with a corresponding mounting hole, and the longitudinal beam of the vehicle is detachably connected with the energy-absorbing box through the mounting holes. The energy absorption box and the longitudinal beam are detachably connected, so that the energy absorption box and the longitudinal beam of the vehicle can be conveniently detached, the maintenance convenience is improved, and the maintenance cost is reduced; and when the energy absorption box is suitable for different types of longitudinal beams, mounting holes at different positions are formed in the energy absorption box so as to be suitable for mounting the different types of longitudinal beams.

According to a second aspect of the present utility model, there is provided an anti-collision mechanism comprising an anti-collision beam and the energy absorption box of the first aspect, wherein one end of the energy absorption box is provided with a U-shaped opening, and the anti-collision beam is accommodated in the U-shaped opening and connected to the energy absorption box.

The anti-collision mechanism comprises an anti-collision beam and two energy-absorbing boxes, wherein U-shaped openings are formed in the end parts of the two energy-absorbing boxes, the anti-collision beam is welded in the U-shaped openings of the two energy-absorbing boxes, and the welding length between the anti-collision beam and the energy-absorbing boxes can be effectively increased, so that the connection strength of the anti-collision beam and the energy-absorbing boxes is improved.

Preferably, the energy absorption box is provided with a mounting hole in a penetrating way; the anti-collision mechanism further comprises a longitudinal beam, and the energy absorption box is detachably connected with the longitudinal beam through a mounting hole.

The side of the energy-absorbing box, which is far away from the anti-collision beam, is provided with a plurality of mounting holes in a penetrating way, that is, the opposite side walls of the energy-absorbing box are respectively provided with a corresponding mounting hole, and the longitudinal beam of the vehicle is detachably connected with the energy-absorbing box through the mounting holes. Through setting up the mode that energy-absorbing box and longeron can dismantle the connection, can be convenient for dismantle between energy-absorbing box and the vehicle longeron, also can set up the mounting hole in different positions on the energy-absorbing box when adapting to different grade type longeron to the installation of adaptation in different grade type longeron.

In conclusion, the energy-absorbing box of the application adopts an integrally formed surrounding wall and frame structure, solves the technical problems that in the prior art, the energy-absorbing box is formed by welding three stamping sheet metal parts, and a welding fixture is required to be independently developed in the welding process, so that the cost is high.

In addition, the surrounding wall is of a cavity structure, and the cross section of the frame structure is of a hexagonal structure, so that the energy-absorbing box structure is light in weight, and meanwhile, the strength of the whole structure of the energy-absorbing box is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of an energy absorber according to an embodiment of the present utility model;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a side view of FIG. 1;

FIGS. 4 and 5 are cross-sectional views of A-A of FIG. 2;

fig. 6 is a schematic structural diagram of an anti-collision mechanism according to an embodiment of the present utility model.

In the above figures, the list of components represented by the various numbers is as follows:

1. a frame structure; 2. a surrounding wall; 3. an anti-collision beam; 100. an energy absorption box;

11. a first reinforcing wall; 12. a second reinforcing wall; 13. an intermediate connecting wall;

111. a first reinforcing wall; 112. a second reinforcing wall;

121. a third reinforcing wall; 122. a fourth reinforcing wall;

21. a first sidewall; 22. a second sidewall; 23. a top wall; 24. a bottom wall.

401. And (5) mounting holes.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Referring to fig. 1 to 6, in one embodiment of the present utility model, the energy-absorbing box 100 includes a surrounding wall 2 and a frame structure 1, wherein the surrounding wall 2 encloses a cavity, so that the overall weight of the energy-absorbing box 100 is lighter, thereby increasing the cruising ability of the vehicle; the frame structure 1 is arranged in the cavity, and the surrounding wall 2 is the cavity, so that the overall strength of the energy-absorbing box 100 can be effectively increased by arranging the frame structure 1, and the low-speed collision protection effect is enhanced.

Furthermore, the present application uses integrally formed walls 2 and frame structures 1, i.e. one mould for production. The energy-absorbing box 100 is formed by welding three stamping sheet metal parts in the prior art, and a welding fixture is required to be independently developed in the welding process, so that the technical problem of high cost consumption is solved.

In an alternative embodiment, the energy-absorbing box 100 may be an aluminum energy-absorbing box 100, and the length of the energy-absorbing box 100 may be adjusted by adopting an extrusion molding process, so as to adapt to the arrangement space requirement of the new development vehicle type anti-collision beam 3.

In some more preferred embodiments, the frame structure 1 comprises a first stiffening wall 11, the first stiffening wall 11 comprising a plurality of first stiffening walls 111 and a plurality of second stiffening walls 112. The first reinforcing walls 111 and the second reinforcing walls 112 are staggered and spliced in sequence, that is, two ends of the second reinforcing walls 112 are respectively connected with the two first reinforcing walls 111. By this arrangement, the structural strength of the crash box 100 can be ensured.

In an alternative embodiment, the frame structure 1 further comprises a plurality of first connecting walls arranged at intervals, one end of the first connecting walls being connected to the surrounding wall 2, and the other end being connected to the connection between the first reinforcing wall 111 and the second reinforcing wall 112. By such arrangement, the structural strength of the crash box 100 can be further increased, thereby enhancing the low-speed crash protection effect.

In a preferred embodiment, the frame structure 1 further includes a second reinforcing wall 12 in the case of including the first reinforcing wall 11, where the second reinforcing wall 112 and the first reinforcing wall 111 are disposed at intervals in the Y direction and are respectively adjacent to two opposite side walls of the enclosure wall 2, that is, the first reinforcing wall 111 is adjacent to one side wall, the second reinforcing wall 112 is adjacent to the other opposite side wall, and the second reinforcing wall 12 includes a plurality of third reinforcing walls 121 and a plurality of fourth reinforcing walls 122, and the plurality of third reinforcing walls 121 and the plurality of fourth reinforcing walls 122 are staggered and sequentially spliced. By the arrangement, the whole structure of the energy-absorbing box 100 is uniformly stressed, so that the whole strength of the energy-absorbing box 100 is effectively increased.

In an alternative embodiment, the frame structure 1 further comprises a plurality of second connecting walls arranged at intervals, one end of the second connecting walls being connected to the surrounding wall 2, and the other end being connected to the connection between the third reinforcing wall 121 and the fourth reinforcing wall 122. By such arrangement, the structural strength of the crash box 100 can be further increased, thereby enhancing the low-speed crash protection effect.

In an alternative embodiment, enclosure wall 2 comprises a top wall 23, a bottom wall 24, a first side wall 21 and a second side wall 22, first side wall 21 being spaced from second side wall 22 and connected to both top wall 23 and bottom wall 24; both ends of the first reinforcing wall 11 and the second reinforcing wall 12 are respectively connected to the top wall 23 and the bottom wall 24, and the first reinforcing wall 111 and the fourth reinforcing wall 122 are each disposed obliquely toward the second side wall 22, and the second reinforcing wall 112 and the third reinforcing wall 121 are each disposed obliquely toward the first side wall 21.

In a preferred embodiment, the enclosure wall 2 comprises a top wall 23, a bottom wall 24, a first side wall 21 and a second side wall 22. The first side wall 21 and the second side wall 22 are disposed at intervals along the Y direction and are both connected to the top wall 23 and the bottom wall 24 so as to enclose the cavity, two ends of the first reinforcing wall 11 are respectively connected with the inner wall of the first side wall 21 and the inner wall of the second side wall 22, two ends of the second reinforcing wall 12 are respectively connected with the inner wall of the first side wall 21 and the inner wall of the second side wall 22, and the Z-directional installation strength of the energy absorption box 100 can be effectively increased.

In addition, the first reinforcing wall 111 and the fourth reinforcing wall 122 are both inclined toward the second side wall 22, and the second reinforcing wall 112 and the third reinforcing wall 121 are both inclined toward the first side wall 21, so that the cabin front tank frame and the like can be effectively protected in a frontal low-level collision, and the maintenance cost is reduced. The device plays a role in collapsing and absorbing energy in high-speed collision, and protects the safety of passengers in the vehicle.

In some more preferred embodiments, the third reinforcing walls 121 are in one-to-one correspondence with the first reinforcing walls 111, the fourth reinforcing walls 122 are in one-to-one correspondence with the second reinforcing walls 112, and the third reinforcing walls 121 are symmetrically disposed with respect to the first reinforcing walls 111, and the fourth reinforcing walls 122 and the second reinforcing walls 112 are symmetrically disposed. By such arrangement, the stability of the overall structure of the crash box 100 can be more effectively increased.

In some more preferred embodiments, the frame structure 1 further comprises a plurality of intermediate connecting walls 13 arranged at intervals. The plurality of middle connecting walls 13 are horizontally disposed, and two ends of each middle connecting wall 13 are respectively connected with a connection portion of the first reinforcing wall 111 and the second reinforcing wall 112 and a connection portion of the third reinforcing wall 121 and the fourth reinforcing wall 122, so that the Y-directional structural strength of the energy-absorbing box 100 can be increased, and the overall structural strength of the energy-absorbing box 100 can be further increased.

In a preferred embodiment, the adjacent two intermediate connecting walls 13 and the first reinforcing wall 111, the second reinforcing wall 112, the third reinforcing wall 121 and the fourth reinforcing wall 122 which are positioned between the two intermediate connecting walls 13 and are connected in sequence together enclose a hexagonal cavity, that is, the hexagonal cavity is a hexagonal cavity enclosed by 6 side walls, and the middle part of the hexagonal cavity is hollow, so that the weight of the frame structure 1 can be effectively reduced by the arrangement.

In an alternative embodiment, the lengths of the intermediate connecting wall 13, the first reinforcing wall 111, the second reinforcing wall 112, the third reinforcing wall 121 and the fourth reinforcing wall 122 are the same, that is, the intermediate connecting wall 13, the first reinforcing wall 111, the second reinforcing wall 112, the third reinforcing wall 121 and the fourth reinforcing wall 122 enclose a regular hexagonal cavity, and by providing the regular hexagonal cavity, the structure of the energy absorbing box 100 is more stable.

In a preferred embodiment, one end of the crash box 100 is provided with a U-shaped opening into which the impact beam 3 is welded. Wherein, the U-shaped opening can effectively increase the welding length between the anti-collision beam 3 and the energy-absorbing box 100, thereby improving the connection strength of the anti-collision beam 3 and the energy-absorbing box 100.

In an alternative embodiment, the crash boxes 100 are 2 in number and the impact beam 3 is welded into the U-shaped openings of both crash boxes 100.

In a preferred embodiment, a plurality of mounting holes 401 are provided through the crash box 100 on the side thereof remote from the crash beam 3, that is, the mounting holes 401 are provided on the first side wall 21 and the second side wall 22 of the crash box 100, respectively, and a side member (not shown) of the vehicle is detachably connected to the crash box 100 through the mounting holes 401. The energy absorption box 100 is detachably connected with the longitudinal beam, so that the energy absorption box 100 and the longitudinal beam of the vehicle can be conveniently detached, the maintenance convenience is improved, and the maintenance cost is reduced; mounting holes 401 at different positions may be formed in the crash box 100 to adapt to the installation of different types of stringers.

In an alternative embodiment, the manner in which the crash box 100 and the stringers are detachably connected may be a bolt and nut connection manner, or may be other connection manners, which are not described herein, and may be implemented by those skilled in the art.

In another embodiment of the present utility model, an anti-collision mechanism is provided, which includes an anti-collision beam 3 and two energy-absorbing boxes 100, wherein the ends of the two energy-absorbing boxes 100 are provided with U-shaped openings, the anti-collision beam 3 is welded in the U-shaped openings of the two energy-absorbing boxes 100, so that the welding length between the anti-collision beam 3 and the energy-absorbing boxes 100 can be effectively increased, and the connection strength between the anti-collision beam 3 and the energy-absorbing boxes 100 is improved.

In a preferred embodiment, the crash box 100 is provided with a plurality of mounting holes 401 extending therethrough on a side thereof remote from the crash beam 3, that is, the opposite side walls of the crash box 100 are provided with corresponding mounting holes 401, and the longitudinal beam of the vehicle is detachably connected to the crash box 100 through the mounting holes 401. Through setting up the mode that energy-absorbing box 100 and longeron can dismantle the connection, can be convenient for dismantle between energy-absorbing box 100 and the vehicle longeron, also can set up the mounting hole 401 in different positions on energy-absorbing box 100 when adapting to different grade type longeron to the installation of adaptation in different grade type longeron.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (9)

1. The energy absorption box is characterized by comprising a surrounding wall and a frame structure, wherein a cavity is formed by surrounding the surrounding wall, the frame structure is arranged in the cavity and connected with the surrounding wall, and the frame structure and the surrounding wall are integrally formed;

one end of the energy-absorbing box is provided with a U-shaped opening, and the U-shaped opening is used for accommodating and installing an anti-collision beam.

2. The energy absorber of claim 1 wherein said frame structure comprises at least one first reinforcing wall comprising a plurality of first reinforcing walls and a plurality of second reinforcing walls, said plurality of first reinforcing walls being staggered and sequentially joined to said plurality of second reinforcing walls.

3. The energy absorber of claim 2 wherein said frame structure further comprises at least one second reinforcing wall spaced from said first reinforcing wall, and said second reinforcing wall comprises a plurality of third reinforcing walls and a plurality of fourth reinforcing walls, said third reinforcing walls and said fourth reinforcing walls being staggered and sequentially joined.

4. The energy absorber of claim 3 wherein the energy absorber comprises a housing,

the third reinforcing wall corresponds to one first reinforcing wall and is symmetrically arranged with the corresponding first reinforcing wall;

the fourth reinforcing wall corresponds to one second reinforcing wall and is symmetrically arranged with the corresponding second reinforcing wall.

5. The energy absorber of claim 3 wherein said frame structure further comprises a plurality of spaced apart intermediate connecting walls, each of said intermediate connecting walls having one end connected to a junction of said first reinforcing wall and said second reinforcing wall and another end connected to a junction of said third reinforcing wall and said fourth reinforcing wall.

6. The energy absorber of claim 5 wherein said first reinforcing wall, said second reinforcing wall, said third reinforcing wall and said fourth reinforcing wall between two adjacent intermediate connecting walls together enclose a hexagonal cavity.

7. The energy absorber of claim 1, wherein the energy absorber is provided with a mounting hole therethrough for detachable connection with the stringers.

8. An anti-collision mechanism comprising an anti-collision beam, and further comprising the energy absorption box according to any one of claims 1-6, wherein one end of the energy absorption box is provided with a U-shaped opening, and the anti-collision beam is accommodated in the U-shaped opening and connected with the energy absorption box.

9. The anti-collision mechanism of claim 8, in which the spring is configured to move the spring,

the energy absorption box is provided with a mounting hole in a penetrating way;

the anti-collision mechanism further comprises a longitudinal beam, and the energy-absorbing box is detachably connected with the longitudinal beam through the mounting hole.

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