Auxiliary energy absorption box structure of vehicle

By designing auxiliary energy-absorbing boxes and collapse holes with rectangular beam structures in pure electric commercial vehicles, combining traditional energy-absorbing boxes, and using the subframe to fix the structure, effective energy absorption in front of the vehicle is achieved, and the entire vehicle is improved The collision performance solves the problem of insufficient energy absorption performance of pure electric commercial vehicles.

CN222247380UActive Publication Date: 2024-12-27DERRY NEW ENERGY AUTOMOBILE CO LTD
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Patent Information

Application Number
CN202420405002.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-04
Publication Date
2024-12-27
Estimated Expiration
2034-03-04

AI Technical Summary

Technical Problem

Due to the small front cabin space and limited length of the energy-absorbing box structure, pure electric commercial vehicles have completely collapsed and energy absorption is not enough to achieve the frontal collision performance of the entire vehicle.

Method used

A vehicle auxiliary energy-absorbing box structure is designed, including the auxiliary energy-absorbing box main body of the rectangular beam structure, which is arranged inclined and evenly spaced on it. The auxiliary energy-absorbing box and the traditional energy-absorbing box are jointly absorbed by energy through the secondary The frame is fixed to the frame to form an acute angle structure to increase the energy absorption effect.

Benefits of technology

The safety performance of the frontal collision of the whole vehicle is improved. Through the design of the auxiliary energy-absorbing box, the deformation energy absorption is collapsed and the safety of the passengers in the vehicle is protected, and the problem of insufficient energy absorption performance of pure electric commercial vehicles is solved.

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Patent Text Reader

Abstract

The utility model discloses a vehicle auxiliary energy absorption box structure which comprises an auxiliary energy absorption box body, the auxiliary energy absorption box body is of a rectangular beam structure, the auxiliary energy absorption box body is obliquely arranged, crumple holes are evenly formed in the auxiliary energy absorption box body at intervals, an energy absorption box is arranged above the auxiliary energy absorption box body, and the crumple holes are evenly formed in the auxiliary energy absorption box body. The two ends of the auxiliary energy absorption box body are connected with a front mounting plate and a rear mounting plate respectively, one end of the front mounting plate and one end of the energy absorption box are jointly connected with an anti-collision beam, a frame is arranged at the other end of the energy absorption box, an auxiliary frame is arranged below the frame, and the auxiliary frame is connected with the rear mounting plate. And the auxiliary energy absorption box main body is fixed on the frame through the auxiliary frame. According to the auxiliary energy absorption box structure of the vehicle, through the design that the auxiliary energy absorption box is additionally arranged below the energy absorption box, when the vehicle is in head-on collision, the energy absorption box and the auxiliary energy absorption box can absorb energy at the same time, and therefore the head-on collision safety performance of the whole vehicle is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of energy absorption boxes, in particular to a vehicle auxiliary energy absorption box structure. Background Art

[0002] The car energy absorption box is a safety device installed between the anti-collision beam and the body or frame longitudinal beam. When the vehicle collides, it can collapse and absorb energy, absorbing part of the impact force. By absorbing and consuming energy, it can reduce the injury to the car occupants and the degree of damage to the vehicle.

[0003] The existing pure electric commercial vehicles have a small front cabin space and a limited length of energy absorption box structure. The energy of complete crushing energy absorption is not enough to make the whole vehicle meet the frontal collision performance standards. Improving the energy absorption performance of the energy absorption box of pure electric commercial vehicles is an urgent problem to be solved. Utility Model Content

[0004] The purpose of the utility model is to provide a vehicle auxiliary energy absorption box structure to solve the problem raised by the above background technology that the energy of the energy absorption box structure of pure electric commercial vehicles on the market is limited due to the small front cabin space and the limited length of the energy absorption box structure, and the energy of complete collapse absorption is not enough to make the frontal collision performance of the whole vehicle meet the standards.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vehicle auxiliary energy absorption box structure, including an auxiliary energy absorption box main body, the auxiliary energy absorption box main body is a rectangular beam structure, and the auxiliary energy absorption box main body is inclined, and the auxiliary energy absorption box main body is evenly spaced with collapse holes, an energy absorption box is provided above the auxiliary energy absorption box main body, and the two ends of the auxiliary energy absorption box main body are respectively connected to a front mounting plate and a rear mounting plate, the front mounting plate and one end of the energy absorption box are commonly connected to an anti-collision beam, and the other end of the energy absorption box is provided with a frame, a sub-frame is provided below the frame, and the sub-frame is connected to the rear mounting plate so that the auxiliary energy absorption box main body is fixed to the frame through the sub-frame.

[0006] Preferably, the energy absorption box constitutes the longitudinal beam structure of the frame, and the energy absorption box is welded and fixed to the anti-collision beam.

[0007] Preferably, the energy absorbing box is fixed to the crossbeam of the auxiliary frame by welding, and an acute angle structure is formed between the energy absorbing box and the auxiliary energy absorbing box body.

[0008] Preferably, the collapse holes are opened at the edges of the rectangular structure of the auxiliary energy absorption box body.

[0009] Preferably, a connecting plate is welded to one side of the rear mounting plate, and the connecting plate is welded and fixed to the end of the auxiliary energy absorption box body.

[0010] Preferably, the rear mounting plate is a bent piece, and mounting holes are provided at both upper and lower ends of the rear mounting plate and the connecting plate.

[0011] Preferably, an arc-shaped groove structure is provided in the middle of the rear mounting plate, and the arc-shaped groove structure of the rear mounting plate is snap-fitted with the sub-frame.

[0012] Preferably, positioning holes are symmetrically provided at the upper and lower ends of the front mounting plate, and the positioning holes have the same size as the mounting holes.

[0013] Preferably, the front mounting plate is vertically arranged, and the front mounting plate is respectively welded and fixed to the anti-collision beam and the auxiliary energy absorption box body.

[0014] Preferably, the sub-frame is fixed to the longitudinal beam and the transverse beam of the frame respectively by screw connection, and the sub-frame is fixed to the rear mounting plate by welding.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the auxiliary energy absorption box structure of the vehicle adds an auxiliary energy absorption box below the energy absorption box, so that when the vehicle has a frontal collision, the energy absorption box and the auxiliary energy absorption box can absorb energy at the same time, thereby improving the frontal collision safety performance of the whole vehicle. The auxiliary energy absorption box structure of the vehicle designs the auxiliary energy absorption box into a rectangular beam structure with a collapse hole in the middle, so that it is crushed and deformed to absorb energy during a collision, thereby achieving the purpose of protecting the occupants in the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The following are drawings of exemplary embodiments of the present invention, in which the same or similar reference numerals are used to represent the same or similar elements.

[0017] Figure 1 It is a structural schematic diagram of the auxiliary energy absorption box structure of the vehicle of the utility model;

[0018] Figure 2 This is a schematic diagram of the connection structure between the auxiliary energy absorption box structure main body and the rear mounting plate of the vehicle of the utility model;

[0019] Figure 3 It is a schematic diagram of the connection structure between the auxiliary energy absorption box structure main body and the front mounting plate of the vehicle of the utility model;

[0020] Figure 4 It is a schematic diagram of the front mounting plate structure of the auxiliary energy absorption box structure of the vehicle of the utility model;

[0021] Figure 5 It is a schematic diagram of the rear mounting plate structure of the auxiliary energy absorption box structure of the vehicle of the utility model;

[0022] Figure 6 The utility model is a schematic diagram of a structure in which a collapse hole is provided in the auxiliary energy absorption box structure main body of the vehicle.

[0023] In the figure: 1. anti-collision beam; 2. energy absorption box; 3. auxiliary energy absorption box body; 301. collapse hole; 302. rear mounting plate; 3021. mounting hole; 3022. connecting plate; 303. front mounting plate; 3031. positioning hole; 4. subframe; 5. frame. DETAILED DESCRIPTION

[0024] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation modes in conjunction with the accompanying drawings.

[0025] In the present utility model, the term "and / or" is intended to cover all possible combinations and sub-combinations of the listed elements, including any one of the elements listed separately, any sub-combination or all elements, without excluding other elements. Unless otherwise specified, the terms "first", "second", etc. are used to describe various elements without intending to limit the positional relationship, timing relationship or importance relationship of these elements. Such terms are only used to distinguish one element from another. Unless otherwise specified, the orientation or positional relationship indicated by the terms "front, back, up, down, left, right", etc. is usually based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience and simplification of description, and cannot be understood as limiting the scope of protection of the present utility model.

[0026] See also Figure 1-6The utility model provides a technical solution: a vehicle auxiliary energy absorption box structure, including an auxiliary energy absorption box body 3, the auxiliary energy absorption box body 3 is a rectangular beam structure, and the auxiliary energy absorption box body 3 is tilted, and the auxiliary energy absorption box body 3 is evenly spaced with collapse holes 301, and the collapse holes 301 are opened at the edges of the rectangular structure of the auxiliary energy absorption box body 3. This structure enables the auxiliary energy absorption box body 3 to change the predetermined deformation path of the auxiliary energy absorption box body 3 through the opening of the collapse holes 301, thereby improving its energy absorption effect and stability. An energy absorption box 2 is arranged above the auxiliary energy absorption box body 3, and the two ends of the auxiliary energy absorption box body 3 are respectively connected to a front mounting plate 303 and a rear mounting plate 302, a connecting plate 3022 is welded to one side of the rear mounting plate 302, and the connecting plate 3022 is connected to the auxiliary The end of the energy absorption box body 3 is welded and fixed. This structure enables the connecting plate 3022 and the rear mounting plate 302 to be fixed to the auxiliary energy absorption box body 3 and the sub-frame 4 respectively. Then, the connecting plate 3022 and the rear mounting plate 302 are welded to realize the connection between the sub-frame 4 and the auxiliary energy absorption box body 3. The rear mounting plate 302 is a bent part, and the upper and lower ends of the rear mounting plate 302 and the connecting plate 3022 are jointly provided with mounting holes 3021. In this structure, the rear mounting plate 302 and the connecting plate 3022 can be screwed and fixed through the mounting holes 3021 to improve the stability of the installation. An arc groove structure is provided in the middle of the rear mounting plate 302, and the arc groove structure of the rear mounting plate 302 is snap-fitted with the sub-frame 4. This structure enables the rear mounting plate 302 to be fixed through The arc groove structure is welded and positioned with the subframe 4, and the positioning stability between the subframe 4 and the rear mounting plate 302 is improved to ensure the installation strength of the auxiliary energy absorption box body 3, thereby ensuring the safety performance of the vehicle in the event of a frontal collision. The front mounting plate 303 and one end of the energy absorption box 2 are commonly connected to the anti-collision beam 1, and the upper and lower ends of the front mounting plate 303 are symmetrically provided with positioning holes 3031, and the positioning holes 3031 have the same size as the mounting holes 3021. This structure allows the front mounting plate 303 to be screwed and positioned through the positioning holes 3031. The front mounting plate 303 is vertically arranged, and the front mounting plate 303 is respectively welded and fixed to the anti-collision beam 1 and the auxiliary energy absorption box body 3. This structure allows the auxiliary energy absorption box body 3 to be positioned through the front mounting plate 303 and the anti-collision beam 1 The welding positioning treatment is performed, and the welding surface between the anti-collision beam 1 and the auxiliary energy absorption box body 3 is increased by the front mounting plate 303 to ensure the strength of the auxiliary energy absorption box body 3, so that the auxiliary energy absorption box body 3 assists the energy absorption box 2 in absorbing energy, and a frame 5 is provided at the other end of the energy absorption box 2, and the energy absorption box 2 constitutes the longitudinal beam structure of the frame 5, and the energy absorption box 2 is welded and fixed to the anti-collision beam 1. The function of the anti-collision beam 1 in this structure is to absorb energy when the vehicle has a frontal collision, and transfer the absorbed energy to the energy absorption box 2. The energy absorption box 2 is a traditional energy absorption box structure on the vehicle. The energy absorption box 2 realizes the consumption and absorption of the impact energy in a short time through the collapse structure, which ensures the stability and controllability of the vehicle after the collision and effectively protects the safety of the passengers in the vehicle. A subframe 4 is provided under the frame 5.The energy absorption box 2 is welded and fixed to the crossbeam of the subframe 4, and an acute angle structure is formed between the energy absorption box 2 and the auxiliary energy absorption box body 3. This structure enables the auxiliary energy absorption box body 3 to reinforce the energy absorption box 2 from below and increase the crushing effect. The auxiliary energy absorption box body 3 assists the energy absorption box 2 in crushing and energy absorption, thereby improving the frontal collision safety performance of the whole vehicle. By designing the auxiliary energy absorption box body 3 below the energy absorption box 2, the problem of limited installation space for the energy absorption box 2 in pure electric commercial vehicles due to the small front cabin space is avoided, thereby ensuring The frontal collision performance of the whole vehicle is improved, and the subframe 4 is connected to the rear mounting plate 302, so that the auxiliary energy absorption box body 3 is fixed to the frame 5 through the subframe 4, and the longitudinal beams and cross beams of the subframe 4 and the frame 5 are respectively fixed by screw connection, and the subframe 4 is welded and fixed to the rear mounting plate 302. This structure fixes the auxiliary energy absorption box body 3 through the subframe 4, so that the auxiliary energy absorption box body 3 can be relatively stable relative to the frame 5 and the energy absorption box 2, so that the energy absorption box 2 and the auxiliary energy absorption box body 3 can collapse and absorb energy at the same time, so that the frontal collision performance of the whole vehicle meets the standard.

[0027] Working principle: When using the auxiliary energy absorption box structure of the vehicle, first, a collapse hole 301 is opened at the edge of the rectangular beam of the auxiliary energy absorption box body 3, and the connecting plate 3022 and the front mounting plate 303 are respectively welded to the two ends of the auxiliary energy absorption box body 3, and then the rear mounting plate 302 is clamped with the subframe 4 through the arc groove structure, and the subframe 4 and the rear mounting plate 302 are welded and fixed, and the subframe 4 is screwed and fixed to the corresponding position of the frame 5, and then the energy absorption box 2 and the front mounting plate 303 are welded to the anti-collision beam 1, and the connecting plate 3022 and the rear mounting plate 302 are welded and fixed to realize the connection between the auxiliary energy absorption box body 3 and the subframe 4, and then the energy absorption box 2 is welded to the frame 5 to form a longitudinal beam structure, the mounting hole 3021 is used for the screw connection positioning processing of the rear mounting plate 302 and the subframe 4, and the positioning hole 3031 is used for the screw connection positioning processing of the front mounting plate 303 and the anti-collision beam 1, thereby completing a series of work.

[0028] It should be noted that the utility model (e.g., utility model concepts, etc.) has been described in the specification of this patent document and / or illustrated in the drawings according to the exemplary embodiments; the embodiments of the utility model are presented only by way of example and are not intended to limit the scope of the utility model. The structure and / or arrangement of the elements of the utility model concepts embodied in the utility model as described in the specification and / or illustrated in the drawings are only illustrative. Although the exemplary embodiments of the utility model have been described in detail in this patent document, it is easy for a person of ordinary skill in the art to understand that equivalents, modifications, changes, etc. of the subject matter of the exemplary embodiments and alternative embodiments are possible and are considered to be within the scope of the utility model; all of these subject matters (e.g., modifications, changes, embodiments, combinations, equivalents, etc.) are intended to be included within the scope of the utility model. It should also be noted that various / other modifications, changes, substitutions, equivalents, changes, omissions, etc. can be made in the configuration and / or arrangement of the exemplary embodiments (e.g., in terms of concepts, designs, structures, devices, forms, assemblies, constructions, means, functions, systems, processes / methods, steps, the order of process / method steps, operations, operating conditions, performance, materials, compositions, combinations, etc.). ) without departing from the scope of the present invention; all of these subjects (such as modifications, changes, embodiments, combinations, equivalents, etc.) are intended to be included within the scope of the present invention. The scope of the present invention is not intended to be limited to the subject matter described in the specification and / or drawings of this patent document (such as details, structures, functions, materials, behaviors, steps, sequences, systems, results, etc.). Considering that the claims of this patent document will be appropriately interpreted as covering the full scope of the subject matter of the present invention (for example, including any and all such modifications, changes, embodiments, combinations, equivalents, etc.); it should be understood that the terms used in this patent document are intended to provide a description of the subject matter of the exemplary embodiments, rather than as a limitation on the scope of the present invention.

[0029] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A vehicle auxiliary energy absorption box structure, comprising an auxiliary energy absorption box body (3), characterized in that: The auxiliary energy absorption box body (3) is a rectangular beam structure, and the auxiliary energy absorption box body (3) is inclined, and the auxiliary energy absorption box body (3) is evenly spaced and provided with collapse holes (301), an energy absorption box (2) is provided above the auxiliary energy absorption box body (3), and the two ends of the auxiliary energy absorption box body (3) are respectively connected to a front mounting plate (303) and a rear mounting plate (302), one end of the front mounting plate (303) and the energy absorption box (2) are commonly connected to an anti-collision beam (1), and the other end of the energy absorption box (2) is provided with a frame (5), a sub-frame (4) is provided below the frame (5), and the sub-frame (4) is connected to the rear mounting plate (302), so that the auxiliary energy absorption box body (3) is fixed to the frame (5) through the sub-frame (4).

2. The auxiliary energy absorption box structure of a vehicle according to claim 1, characterized in that: The energy absorption box (2) constitutes the longitudinal beam structure of the vehicle frame (5), and the energy absorption box (2) and the anti-collision beam (1) are welded and fixed.

3. The auxiliary energy absorption box structure of a vehicle according to claim 1, characterized in that: The energy absorption box (2) is welded and fixed to the crossbeam of the auxiliary frame (4), and an acute angle structure is formed between the energy absorption box (2) and the auxiliary energy absorption box main body (3).

4. The auxiliary energy absorption box structure for a vehicle according to claim 1, characterized in that: The collapse hole (301) is provided at the edge of the rectangular structure of the auxiliary energy absorption box body (3).

5. The auxiliary energy absorption box structure of a vehicle according to claim 1, characterized in that: A connecting plate (3022) is welded to one side of the rear installation plate (302), and the connecting plate (3022) is welded and fixed to the end of the auxiliary energy absorption box body (3).

6. The auxiliary energy absorption box structure of a vehicle according to claim 5, characterized in that: The rear mounting plate (302) is a bent piece, and mounting holes (3021) are provided at the upper and lower ends of the rear mounting plate (302) and the connecting plate (3022).

7. The auxiliary energy absorption box structure for a vehicle according to claim 1, characterized in that: An arc-shaped groove structure is provided in the middle of the rear mounting plate (302), and the arc-shaped groove structure of the rear mounting plate (302) is snap-fitted with the auxiliary frame (4).

8. The auxiliary energy absorption box structure for a vehicle according to claim 1, characterized in that: Positioning holes (3031) are symmetrically provided at the upper and lower ends of the front mounting plate (303), and the positioning holes (3031) have the same size as the mounting holes (3021).

9. The auxiliary energy absorption box structure for a vehicle according to claim 1, characterized in that: The front mounting plate (303) is arranged vertically, and the front mounting plate (303) is respectively welded and fixed to the anti-collision beam (1) and the auxiliary energy absorption box main body (3).

10. The vehicle auxiliary energy absorption box structure according to claim 1, characterized in that: The auxiliary frame (4) and the longitudinal beam and the cross beam of the frame (5) are respectively fixed by screw connection, and the auxiliary frame (4) and the rear mounting plate (302) are fixed by welding.