CN113085768A - Vehicle side collision protection structure - Google Patents

Vehicle side collision protection structure Download PDF

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Publication number
CN113085768A
CN113085768A CN201911344418.3A CN201911344418A CN113085768A CN 113085768 A CN113085768 A CN 113085768A CN 201911344418 A CN201911344418 A CN 201911344418A CN 113085768 A CN113085768 A CN 113085768A
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CN
China
Prior art keywords
cabin door
collision
plate body
door
vehicle side
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911344418.3A
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Chinese (zh)
Inventor
刘刚
崔崇桢
李建平
张小伟
黄明辉
易成刚
冯令甫
刘亚勋
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Zhengzhou Yutong Bus Co Ltd
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Zhengzhou Yutong Bus Co Ltd
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Publication date
Application filed by Zhengzhou Yutong Bus Co Ltd filed Critical Zhengzhou Yutong Bus Co Ltd
Priority to CN201911344418.3A priority Critical patent/CN113085768A/en
Publication of CN113085768A publication Critical patent/CN113085768A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/42—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects extending primarily along the sides of, or completely encircling, a vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The invention relates to a vehicle side collision protection structure, comprising: the cabin door frame is used for forming a cabin opening on the side surface of the vehicle, and a transverse anti-collision beam is arranged in the cabin door frame; the cabin door is arranged at the door frame of the cabin door and is used for sealing the cabin door; the cabin door stiffening beam is arranged on the cabin door, and the transverse anti-collision beam and the cabin door stiffening beam are arranged in a crossed mode. The cabin door stiffening beam is arranged on the cabin door, and the cabin door stiffening beam and the transverse anti-collision beam are arranged in a crossed manner, so that when the cabin door is subjected to side collision, the cabin door stiffening beam arranged on the cabin door can prevent the cabin door from being deformed too much and prevent the impact force from bypassing the transverse anti-collision beam to directly touch the energy supply device, the collision risk of the energy supply device is favorably reduced, and the protection capability is improved; compared with the prior art, the rigidity and the strength are improved by simply increasing the materials, the overall lightweight of the protective structure can be realized by increasing the reinforcing beam of the cabin door, and the production cost is reduced.

Description

Vehicle side collision protection structure
Technical Field
The invention relates to a vehicle side collision protection structure.
Background
In order to place a power supply device such as a battery box, a fuel tank, or a gas cylinder for supplying power to a vehicle, a mounting compartment is often provided on a side surface of the vehicle. In order to ensure the safety of the energy supply devices in the installation cabin, a protective structure for protecting the energy supply devices is arranged at a hatch of the installation cabin in the vehicle, and the hatch and an anti-collision beam are arranged at the hatch of the vehicle in the common protective structure in the prior art.
In order to protect the protection capability of the protection structure, the technical personnel at the present stage mainly adopt the following measures: firstly, the size of vehicle-mounted energy such as a battery box, a fuel tank or a fuel gas bottle is changed, the vehicle-mounted energy moves towards the inside of the vehicle along the lateral direction as much as possible, the distance between the vehicle-mounted energy and the lateral part is prolonged, the protection structure blocks external force on the path of external force invasion, and the direct impact of the external force on the vehicle-mounted energy is reduced or even avoided; secondly, the rigidity and the strength of the anti-collision beam or the cabin door are directly improved from the structure.
For the first step, the vehicle-mounted energy source is too close to the interior of the vehicle, the operation space for technicians to disassemble, assemble and maintain is small, and the operation is inconvenient, so the technicians generally select the second step. However, in the implementation of the measure (II), there are still some problems: thickening, extension anticollision roof beam or hatch door increase rigidity and intensity can increase the material, and then lead to the increase of anticollision roof beam or hatch door weight, are unfavorable for the vehicle lightweight, also can lead to the cost increase.
Disclosure of Invention
The invention aims to provide a vehicle side collision protection structure which can solve the problems of light weight and high cost of the protection structure in the prior art.
In order to achieve the purpose, the vehicle side collision protection structure adopts the following technical scheme:
vehicle side impact protective structure comprising:
the cabin door frame is used for forming a cabin opening on the side surface of the vehicle, and a transverse anti-collision beam is arranged in the cabin door frame;
the cabin door is arranged at the door frame of the cabin door and is used for sealing the cabin door;
the cabin door stiffening beam is arranged on the cabin door, and the transverse anti-collision beam and the cabin door stiffening beam are arranged in a crossed mode.
The beneficial effects are that: the cabin door stiffening beam is arranged on the cabin door, and the cabin door stiffening beam and the transverse anti-collision beam are arranged in a crossed manner, so that when the cabin door is subjected to side collision, the cabin door stiffening beam arranged on the cabin door can prevent the cabin door from being deformed too much and prevent the impact force from bypassing the transverse anti-collision beam to directly touch the energy supply device, the collision risk of the energy supply device is favorably reduced, and the protection capability is improved; compared with the prior art, the rigidity and the strength are improved by simply increasing the materials, the overall lightweight of the protective structure can be realized by increasing the reinforcing beam of the cabin door, and the production cost is reduced.
Further, the cabin door stiffening beam is of a hollow structure, and integrated fillers are filled in the cabin door stiffening beam; the inner wall of the cabin door reinforcing beam is fixedly bonded with the integrated filler, so that the strength of the cabin door reinforcing beam is improved.
The beneficial effects are that: the filler is filled in the reinforcing beam of the cabin door with a hollow structure, which is equal to the improvement of the reinforced wall thickness of the cabin door, thereby being beneficial to improving the strength of the reinforcing beam of the cabin door and reducing the deformation of the reinforcing beam of the cabin door when the reinforcing beam is stressed. Meanwhile, the filler can be made of light materials, so that the lightweight degree of a vehicle side collision protection system can be improved.
Further, the integrated filler is formed by structural adhesive cured in the door reinforcing beam.
The beneficial effects are that: the structural adhesive is attached to the inner wall of the cabin door stiffening beam, the bonding strength is good, the strength of the cabin door stiffening beam is better improved, the structural adhesive is light in weight, and the requirement of light weight can be met.
Furthermore, the structural adhesive is epoxy resin adhesive.
The beneficial effects are that: the epoxy resin adhesive is mature in application and easy to obtain, and the lightweight level of the cabin door is improved while the strength of the cabin door is considered on the premise of ensuring the cabin door.
Furthermore, the cabin door stiffening beam comprises a U-shaped bending structure, and a U-shaped opening of the U-shaped bending structure is arranged back to the transverse anti-collision beam.
The beneficial effects are that: the lateral wall of U-shaped bending structure can form the floor on the hatch door, improves the bending resistance of hatch door to the adhesion is on U nature bending structure's lateral wall when the structure glue solidification, and when the structure of buckling receives external force impact buckling deformation, the structure glue can taut lateral wall, makes lateral wall deformation motion receive the hindrance, reduces the lateral wall deflection, improves the resistance to deformation ability of hatch door stiffening beam, and guarantees protective structure's lightweight.
Furthermore, the cabin door stiffening beam is provided with a binding surface which is attached to the inner side surface of the cabin door, and the binding surface is bonded with the inner side surface of the cabin door.
The beneficial effects are that: the long door stiffening beam and the cabin door are reinforced by adopting a bonding mode, so that the use of fasteners is reduced while the connection strength is ensured, and the lightweight of a vehicle side collision protection system is facilitated.
Furthermore, more than two U-shaped bending structures are arranged in the cabin door reinforcing beam, the U-shaped bending structures are arranged at intervals along the extending direction of the transverse anti-collision beam, a plate-shaped connecting part is arranged between every two adjacent U-shaped bending structures, two sides of the width direction of the plate-shaped connecting part are connected to the opening side of the U-shaped bending structures, and the binding face is formed by the plate-shaped connecting part towards the side face of the cabin door.
The beneficial effects are that: the arrangement of the plurality of U-shaped bending structures enables the side walls of the U-shaped bending structures to form a plurality of rib plates arranged at intervals on one side of the cabin door, and the deformation resistance of the cabin door is improved.
Furthermore, the two ends of each U-shaped bending structure in the length direction are respectively provided with a connecting lug plate, and each connecting lug plate is riveted and fixed with the cabin door.
The beneficial effects are that: the tip of U-shaped bending structure sets up the connection otic placode to realize the relatively fixed of hatch door stiffening beam and hatch door through connecting the otic placode with the hatch door riveting, on the one hand, assembly efficiency is high, on the other hand when the hatch door stiffening beam receives the striking, the impact force need cut the rivet off just can make the hatch door stiffening beam break away from the hatch door, the rivet has improved the degree of difficulty that the direct conquassation hatch door stiffening beam of impact force and hatch door, all adopt riveted mode at each U-shaped bending structure simultaneously, it has also improved the degree of difficulty that the direct damage hatch door of impact force to have increased the riveting position, protective structure's protective capacities has been improved.
Further, the door frame of the cabin door comprises two upright columns which are arranged oppositely, and the transverse anti-collision beam is arranged between the upright column opposite surfaces of the two upright columns; anti-collision beam connecting seats are respectively arranged between the two ends of the transverse anti-collision beam and the corresponding upright columns; the anti-collision beam connecting seat comprises a first plate body and a second plate body, the first plate body and the second plate body are arranged perpendicularly, the first plate body is connected with the side face, facing the inside one side of the hatch, of the transverse anti-collision beam, and the second plate body is connected with the upright post opposite face of the upright post.
The beneficial effects are that: two plate bodies of anticollision roof beam connecting seat are connected with horizontal anticollision roof beam and the stand that corresponds respectively, and first plate body is fixed with the laminating of horizontal anticollision roof beam side, and when receiving external force and assault, two plate bodies can be through self deformation absorption external force's impact energy, reduce the impact of external force to structures such as hatch door rear battery box, fuel tank, improve vehicle side collision protective structure's protective capacities.
Further, the door frame of the cabin door comprises a cross beam arranged along the horizontal direction, and a cabin door supporting seat is arranged on the cross beam; the cabin door supporting seat comprises a first plate body and a second plate body, the first plate body and the second plate body are vertically arranged, the first plate body is connected with the side face of the cross beam in the vertical direction, and the second plate body extends vertically and is used for blocking the cabin door from moving towards the inside of the frame.
The beneficial effects are that: the second plate body of hatch door supporting seat extends along vertical direction, has reduced the impact force and can directly strike the possibility in the vehicle side collision protection system, avoids the hatch door to warp too big, walks around horizontal crashproof roof beam and directly touches energy supply device, has improved vehicle side collision protection system's protective capacities.
Further, the door frame of the cabin door comprises a cross beam arranged along the horizontal direction, the inward side surface of the cross beam is connected with an auxiliary reinforcing beam, the length of the auxiliary reinforcing beam is smaller than that of the corresponding cross beam, and a slope is arranged at the end part of the auxiliary reinforcing beam; the length of the side surface of the auxiliary reinforcing beam, which is attached to the cross beam, is greater than the length of the opposite surface opposite to the side surface.
The beneficial effects are that: the auxiliary reinforcing beam is arranged on the cross beam and can resist external force impact at the same time, so that the deformation resistance of the cross beam is improved, and the protection capability of a vehicle side collision protection structure is improved; and the length of the side surface, attached to the cross beam, of the auxiliary reinforcing beam is larger than that of the opposite surface opposite to the side surface, so that when the cross beam is impacted and bent by external force, the slope surface can support the deformation of the cross beam, and the deformation resistance of the cross beam is improved.
Furthermore, the transverse anti-collision beam is formed by bending a plate, the whole section of the transverse anti-collision beam is in a shape of Chinese character 'ri', and the transverse anti-collision beam is provided with an upper closed section and a lower closed section; the side of one side of the transverse anti-collision beam facing the cabin door is provided with a reinforcing rib groove extending along the length direction of the transverse anti-collision beam, and the notch of the reinforcing rib groove faces the cabin door.
The beneficial effects are that: the transverse anti-collision beam is formed by bending a plate, and is bent for multiple times to be finally in a shape like a Chinese character 'ri', the deformation resistance of the transverse anti-collision beam can be improved by a multi-bending structure, the strength is improved by bending, and the transverse anti-collision beam meets the requirement of light weight compared with a mode of improving the rigidity by simply increasing materials; in addition, the reinforcing rib grooves are formed in the transverse anti-collision beam, so that the deformation resistance of the transverse anti-collision beam can be improved.
Furthermore, the plate comprises a middle connecting part corresponding to the middle of the Chinese character 'ri', and two bent tail ends of the plate are respectively attached to two opposite sides of the middle connecting part and welded and fixed.
The beneficial effects are that: the two bent tail ends of the plate are bent towards the middle connecting part, the two bent tail ends are bent in opposite directions to obtain the closed cross sections of two sides, the bending mode is simple, and the bent tail ends and the middle connecting part are welded and fixed, so that the overall anti-deformation capacity of the transverse anti-collision beam is improved, and the overall protection structure has higher anti-deformation capacity.
Drawings
FIG. 1 is a schematic view of a vehicle side collision protection structure according to embodiment 1 of the vehicle side collision protection structure of the present invention in cooperation with a battery box;
FIG. 2 is a schematic perspective view of a side collision prevention structure for a vehicle according to embodiment 1 of the present invention;
FIG. 3 is a schematic view of the structure of the hatch door of FIG. 2;
FIG. 4 is a schematic perspective view of the door reinforcement beam of FIG. 2 filled with structural adhesive;
FIG. 5 is a schematic perspective view of the beam body of the door reinforcement beam of FIG. 2, without structural adhesive filling;
FIG. 6 is a perspective view of the impact beam of FIG. 2;
FIG. 7 is a side view of the impact beam of FIG. 2;
FIG. 8 is a schematic structural view of the lower beam of FIG. 2;
FIG. 9 is a schematic view of the two angle blocks of FIG. 2;
in the figure:
10-a battery box;
21-a cross beam; 211-front side rail; 2111-lower beam; 2112-auxiliary reinforcing beam; 22-upright post;
221-front side column; 23-a hatch door; 231-a skin; 24-a door stiffening beam; 241-U-shaped bending structure;
242-structural glue; 243-connecting ear plate; 244-riveting holes; 245-a plate-like connection portion; a 25-square protective beam;
251-a horizontal portion; 252-vertical section; 26-transverse impact beams; 261-an intermediate linking moiety;
262-peripheral bent portion; 263-end; 264-groove; 27-angular seats; 271-a first plate body;
272-a second plate; 273-rib plate; 274-long holes; 275-long hole; 276-circular hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the vehicle side impact protection structure according to the present invention will be described in further detail with reference to the following embodiments.
Embodiment 1 of the vehicle side collision-preventing structure according to the present invention, the vehicle side collision-preventing structure according to the present invention is applied to a passenger car. As shown in fig. 1 and 2, the passenger car includes a frame, a battery compartment for mounting a battery box is reserved in a lateral direction of the frame, and a vehicle side collision protection structure is provided at the battery compartment for laterally protecting the battery box in the passenger car.
The vehicle side collision prevention structure includes a main body frame formed by combining vertical pillars 22 extending in a vertical direction and horizontal beams 21 extending in a horizontal direction, and a space for accommodating a vehicle-mounted energy source, i.e., a battery box 10, is formed in the main body frame.
Specifically, the cross member 21 in the main body frame includes a front side cross member 211 at the opening of the main body frame, and the front side cross member 211 is vertically divided into an upper cross member and a lower cross member. The pillar 22 in the main body frame includes a front pillar 221 at the opening of the main body frame, and the front pillar is divided into a left pillar and a right pillar arranged oppositely in the horizontal direction. The upper cross beam, the lower cross beam, the left upright post and the right upright post jointly enclose a cabin door frame at the inlet, and the hatch is correspondingly formed by the openings of the corresponding cabin door frames.
The vehicle side collision protection structure further comprises a hatch 23, and the hatch 23 is arranged at the hatch and is positioned at the outward side of the door frame of the hatch. The hatch 23 is hinged with the upper beam on the frame and can turn over towards the outer side of the frame. When the hatch 23 is turned up to be in an opening posture, the hatch is exposed; when the hatch 23 hangs down and assumes a closed posture, the hatch is covered with the hatch 23.
As shown in fig. 3, the door 23 includes a skin 231 and a skeleton fixed on the inner surface of the skin 231, and the skeleton includes two parts, i.e., a square-shaped protection beam 25 and a door reinforcement beam 24 connected thereto. The square guard beam 25 includes a horizontal portion 251 and a vertical portion 252. As shown in fig. 4 and 5, the door reinforcement beam 24 includes two U-shaped bent structures 241 in the width direction, and the U-shaped bent structures 241 have a U-shaped cross section and extend along the length direction of the door reinforcement beam 241. The two U-shaped bent structures 241 are connected by a plate-shaped connecting portion 245 extending along the arrangement direction of the U-shaped bent structures, so that the cross section of the whole door reinforcing beam 24 is in a bow shape.
The inner cavity of each U-shaped bending structure 241 is filled with an integrated filler, so that the overall rigidity and strength of each U-shaped bending structure 241 and the hatch door reinforcing beam 24 are improved, and the deformation resistance of the hatch door reinforcing beam 24 when being impacted by external force is improved. In this embodiment, the integral filler in the U-shaped bending structure 241 is the structural adhesive 242, and the structural adhesive 242 is fluid during filling, and is cured after filling, so that not only can the rigidity and strength be increased, but also the overall light weight of the hatch door reinforcing beam 24 can be realized by the light weight of the hatch door reinforcing beam. The structural adhesive 242 used in this embodiment is an epoxy adhesive, and specifically, an epoxy adhesive of the type terroson may be used. Polypropylene glue may also be used in other embodiments.
The door stiffening beam 24 is arranged along the vertical direction, a connecting ear plate 243 is arranged at the end position of each U-shaped bent structure 241, the plate body corresponding to the bottom of the U is provided with the connecting ear plate 243, and the connecting ear plate 243 is provided with a riveting hole 244 for a rivet to pass through. When the hatch reinforcing beam 24 is connected with the square-shaped protective beam 25, one side of the hatch reinforcing beam 24 with an opening is opposite to the inner side surface of the skin 231 of the hatch, the connecting lug plate 243 of the hatch reinforcing beam 24 is abutted against the horizontal part 251 of the square-shaped protective beam 25 and is riveted with the horizontal part 251, and the hatch reinforcing beam 24 filled with the structural adhesive 242 is embedded in the space enclosed by the square-shaped protective beam 25. Meanwhile, the two ends of the cabin door reinforcing beam 24 are both in riveted structures, so that the connection strength can be further improved, and the problem of riveting failure caused by collision and tearing is avoided. In addition, the production efficiency of the cabin door 23 can be further improved by adopting a double-riveting connection mode to replace the traditional profile welding.
The plate-shaped connecting portion 245 located between the two U-shaped bent structures 241 is closely attached to the skin 231 of the door 23 when the door reinforcement beam 24 is integrally connected to the square-shaped protection beam 25, and one surface of the plate-shaped connecting portion 245 facing the skin 231 serves as an attachment surface. In order to ensure the connection strength, the plate-like connection portion 245 is adhesively fixed to the skin 231 in the door reinforcement beam 24. And a transverse anti-collision beam 26 is connected between opposite surfaces of the left upright post and the right upright post of the door frame of the cabin door, and the transverse anti-collision beam 26 extends along the horizontal direction and is crossed with the cabin door stiffening beam 24. Two angle seats 27 serving as connecting seats of the anti-collision beams are arranged between the two end parts of the transverse anti-collision beam 26 and the corresponding side upright columns, and the angle seats 27 are simultaneously connected with the upright columns 22 and the transverse anti-collision beam 26, so that the transverse anti-collision beam 26 and the upright columns 22 are relatively fixed.
As shown in fig. 9, the angle seat 27 includes a first plate 271 and a second plate 272, and the first plate 271 and the second plate 272 perpendicularly intersect with each other, so that the cross section of the angle seat 27 is L-shaped. A rib plate 273 for reinforcing the overall structural strength of the angle seat is further provided between the first plate body 271 and the second plate body 272.
Two long holes 274 through which bolts pass are provided in the first plate body 271, the extending direction of the long holes 274 is the same as the longitudinal direction of the lateral impact beam 26, and one long hole 275 and one round hole 276 are provided in the second plate body 272, and the extending direction of the long hole 275 is the same as the longitudinal direction of the pillar 22. When the angle seat 27 is connected to the transverse impact beam 26 and the upright 22, the first plate 271 is tightly attached to the inward side of the transverse impact beam 26 and fixed by bolts, the transverse impact beam 26 is correspondingly provided with through holes for fasteners, the second plate 272 is tightly attached to the upright opposite side of the upright 22, and the long hole 275 is a plug welding hole. The opposite sides of the uprights 22 are the sides of the uprights 22 facing each other.
As shown in fig. 6 and 7, the transverse impact beam 26 in this embodiment is in a shape of a Chinese character ri, and is formed by bending a plate with a thickness of 1.6-2.0mm, and in this embodiment, the plate is preferably made of pure martensitic steel with a thickness of 1.6mm and a tensile strength of 1.5 Gpa. The plate material is divided in the bending direction into a middle connecting portion 261 and peripheral bent portions 262 located at both sides of the middle connecting portion 261. The two peripheral bending portions 262 are bent in opposite directions, and are bent three times to form a rectangular structure, and the two rectangular structures are distributed on two sides of the middle connecting portion 261. The ends 263 of the two peripheral bent portions 262 are attached to different sides of the middle connection portion 261 after being bent, and are fixedly connected with the middle connection portion by means of laser welding, and the welding positions are points a and B in the figure. The final dimension of the cross section of the transverse impact beam after bending forming is 40mm multiplied by 102 mm. On one side surface of the transverse impact beam 26 in the front-rear direction, an inwardly concave groove 264 is provided for improving the rigidity and strength of the transverse impact beam 26.
On the bottom end rail 2111 that encloses into the hatch door frame, the hatch door supporting seat has been arranged, the structure of hatch door supporting seat is the same with the structure of crashproof roof beam connecting seat, for angular seat 27, the second plate body 272 of angular seat 27 passes through the fastener with the last side of bottom end rail 2111 and is connected, the first plate body 271 of angular seat 27 is along vertical extension, and can block hatch door 23 to the frame inner motion, form the obstacle on impact force transmission route, it is too big to avoid the hatch door to warp, the impact force is walked around horizontal crashproof roof beam and is directly touched energy supply device, be favorable to reducing energy supply device's the risk of being collid.
As shown in fig. 8, in order to ensure the stability of the angle seat 27 connected to the lower cross member 2111 when the external force impacts, an auxiliary reinforcing beam 2112 is fixed to the inward side of the lower cross member 2111, and the side of the auxiliary reinforcing beam 2112 facing the lower cross member 2111 is welded to the lower cross member 2111. The length of the auxiliary reinforcing beam 2112 is smaller than that of the lower beam 2111, and slopes are provided at both ends of the auxiliary reinforcing beam 2112, and the length of the surface of the auxiliary reinforcing beam 2112, which is in close contact with the lower beam 2111, is longer than that of the opposite surface. In other embodiments, the lower cross member 2111 may be used alone as the front cross member 211, and the auxiliary reinforcing structure members are not provided.
The vehicle side collision prevention structure of the present invention is not limited to the technical solution provided in the above embodiment 1, and may also adopt the technical solutions provided in the following embodiments.
Embodiment 2 of the vehicle side collision prevention structure of the present invention: the difference from the above embodiments is that in this embodiment, only one door reinforcement beam is provided on the door and is arranged along the oblique line in an inclined manner, and the door reinforcement beam and the transverse impact beam can still form a crossed structure.
Embodiment 3 of the vehicle side collision prevention structure of the present invention: the difference from the above described embodiment is that in this embodiment the door reinforcement beam is a solid bar or rod. In other embodiments, the door reinforcement beam may take a hollow structure, which is no longer filled with an integral filler.
Embodiment 4 of the vehicle side collision prevention structure of the present invention: the difference from the above embodiment is that in this embodiment, the door reinforcement beam is a section bar with a rectangular cross section. In other embodiments, hollow tubes or square steel, etc. may be used. The sections are all hollow structures, and the inner cavities of the sections are filled with fillers.
Embodiment 5 of the vehicle side collision prevention structure of the present invention: the difference from the above embodiments is that in this embodiment, the overall cross section of the door reinforcing beam is U-shaped, and only one U-shaped bending structure is provided, and the arrangement is not limited to the scheme that two or more U-shaped bending structures are arranged.
Embodiment 6 of the vehicle side collision prevention structure of the present invention: the difference from the above embodiments is that in the present embodiment, the door reinforcing beam is fixed to the door by means of screw connection. In other embodiments, the fastening may be by welding.
Embodiment 7 of the vehicle side collision prevention structure of the present invention: the difference from the above embodiments is that in this embodiment, only one riveting hole is respectively provided at each of the two ends of the door reinforcement beam for riveting and fixing with the door, and the embodiment is not limited to the scheme of arranging a plurality of riveting points at the two ends of the door reinforcement beam.
Embodiment 8 of the vehicle side collision prevention structure of the present invention: the difference from the above embodiment is that, in this embodiment, the door stiffening beam is only fixedly connected with the door at two ends through fasteners, and the door stiffening beam is no longer provided with an abutting surface and correspondingly does not adopt a scheme of bonding the abutting surface with the inner side surface of the door.
Embodiment 9 of the vehicle side collision prevention structure of the present invention: the difference with the above embodiment is that in this embodiment, the faying surface of the door stiffening beam is located at the position corresponding to the two side walls of the U-shaped bending structure, and the position corresponding to the two side walls of the U-shaped bending structure is provided with a flanging that turns outwards, when the door stiffening beam is connected with the door, the flanging is attached to the inner side surface of the door, and an adhesive is arranged between the flanging and the door to bond the door stiffening beam and the door, and the flanging at this time becomes the faying surface on the door stiffening beam.
Embodiment 10 of the vehicle side collision prevention structure of the invention: the difference with the above embodiment is that in this embodiment, the end of the transverse impact beam is directly connected with the upright column by welding, riveting or screwing, and an angular seat is not arranged between the transverse impact beam and the upright column.
Embodiment 11 of the vehicle side collision prevention structure of the present invention: the difference with the above embodiment is that in this embodiment, only the carbon fiber rib plate is filled in the cabin door reinforcing beam, and the carbon fiber rib plate can enhance the deformation resistance of the cabin door reinforcing beam, and the lightweight of the cabin door reinforcing beam can be ensured due to the adoption of the carbon fiber material. And is not limited to the arrangement of structural glue in the door reinforcement beam.
The above-mentioned embodiments, the objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. Vehicle side impact protective structure comprising:
the cabin door frame is used for forming a cabin opening on the side surface of the vehicle, and a transverse anti-collision beam is arranged in the cabin door frame;
the cabin door is arranged at the door frame of the cabin door and is used for sealing the cabin door;
it is characterized by also comprising:
the cabin door stiffening beam is arranged on the cabin door, and the transverse anti-collision beam and the cabin door stiffening beam are arranged in a crossed mode.
2. The vehicle side collision protection structure according to claim 1, wherein the hatch reinforcement beam is a hollow structure, and the hatch reinforcement beam is filled with an integrated filler; the inner wall of the cabin door reinforcing beam is fixedly bonded with the integrated filler, so that the strength of the cabin door reinforcing beam is improved.
3. The vehicle side impact protection architecture according to claim 2, wherein the integrated filler is formed from a structural glue cured within the hatch reinforcement beam.
4. The vehicle side impact protection architecture of claim 3, wherein the structural adhesive is an epoxy adhesive.
5. The vehicle side impact protection structure according to any one of claims 2 to 4, wherein the hatch reinforcement beam comprises a U-shaped bent structure, the U-shaped opening of the U-shaped bent structure being disposed facing away from the transverse impact beam.
6. The vehicle side impact protection architecture of claim 5, wherein the hatch reinforcement beam has an abutting surface abutting the inside surface of the hatch, said abutting surface being bonded to the inside surface of the hatch.
7. The vehicle side impact protection structure according to claim 6,
more than two U-shaped bending structures are arranged in the cabin door reinforcing beam, and the U-shaped bending structures are arranged at intervals along the extending direction of the transverse anti-collision beam;
a plate-shaped connecting part is arranged between two adjacent U-shaped bent structures, and two sides of the plate-shaped connecting part in the width direction are connected to the opening sides of the U-shaped bent structures;
the abutting surface is formed by the side surface of the plate-shaped connecting part facing the cabin door.
8. The vehicle side collision protection structure according to claim 7, wherein the connecting ear plates are respectively provided at both ends of each U-shaped bent structure in the length direction, and each connecting ear plate is riveted and fixed with the cabin door.
9. The vehicle side collision protection structure according to any one of claims 1 to 4,
the door frame comprises two upright posts which are arranged oppositely, and the transverse anti-collision beam is arranged between the upright post opposite surfaces of the two upright posts; anti-collision beam connecting seats are respectively arranged between the two ends of the transverse anti-collision beam and the corresponding upright columns;
the anti-collision beam connecting seat comprises a first plate body and a second plate body, the first plate body and the second plate body are arranged perpendicularly, the first plate body is connected with the side face, facing the inside one side of the hatch, of the transverse anti-collision beam, and the second plate body is connected with the upright post opposite face of the upright post.
10. The vehicle side collision protection structure according to any one of claims 1 to 4,
the cabin door frame comprises a cross beam arranged along the horizontal direction, and a cabin door supporting seat is arranged on the cross beam;
the cabin door supporting seat comprises a first plate body and a second plate body, the first plate body and the second plate body are vertically arranged, the first plate body is connected with the side face of the cross beam in the vertical direction, and the second plate body extends vertically and is used for blocking the cabin door from moving towards the inside of the frame.
CN201911344418.3A 2019-12-23 2019-12-23 Vehicle side collision protection structure Pending CN113085768A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911344418.3A CN113085768A (en) 2019-12-23 2019-12-23 Vehicle side collision protection structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911344418.3A CN113085768A (en) 2019-12-23 2019-12-23 Vehicle side collision protection structure

Publications (1)

Publication Number Publication Date
CN113085768A true CN113085768A (en) 2021-07-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911344418.3A Pending CN113085768A (en) 2019-12-23 2019-12-23 Vehicle side collision protection structure

Country Status (1)

Country Link
CN (1) CN113085768A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203958055U (en) * 2014-05-30 2014-11-26 东风商用车有限公司 Automobile door anti-collision structure
CN204750309U (en) * 2015-06-26 2015-11-11 合肥长兴汽车配件有限公司 Passenger train luggage hatch door skeleton and covering connection structure
JP2016222228A (en) * 2015-05-28 2016-12-28 アイシン精機株式会社 Door impact beam for vehicle
CN207657577U (en) * 2017-12-12 2018-07-27 开沃新能源汽车集团有限公司 A kind of electric motor coach side hatch door
CN109927542A (en) * 2017-12-18 2019-06-25 郑州宇通客车股份有限公司 A kind of fuel gas bottle shielded frame and the vehicle using the frame
CN209080000U (en) * 2018-12-03 2019-07-09 湖南中车时代电动汽车股份有限公司 A kind of automobile-used anti-collision structure
CN110027405A (en) * 2018-01-11 2019-07-19 郑州宇通客车股份有限公司 Protective device of fuel tank and the vehicle for using the device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203958055U (en) * 2014-05-30 2014-11-26 东风商用车有限公司 Automobile door anti-collision structure
JP2016222228A (en) * 2015-05-28 2016-12-28 アイシン精機株式会社 Door impact beam for vehicle
CN204750309U (en) * 2015-06-26 2015-11-11 合肥长兴汽车配件有限公司 Passenger train luggage hatch door skeleton and covering connection structure
CN207657577U (en) * 2017-12-12 2018-07-27 开沃新能源汽车集团有限公司 A kind of electric motor coach side hatch door
CN109927542A (en) * 2017-12-18 2019-06-25 郑州宇通客车股份有限公司 A kind of fuel gas bottle shielded frame and the vehicle using the frame
CN110027405A (en) * 2018-01-11 2019-07-19 郑州宇通客车股份有限公司 Protective device of fuel tank and the vehicle for using the device
CN209080000U (en) * 2018-12-03 2019-07-09 湖南中车时代电动汽车股份有限公司 A kind of automobile-used anti-collision structure

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Application publication date: 20210709