CN217100172U - Rear anti-collision beam and vehicle - Google Patents

Abstract

The utility model provides a back anticollision roof beam and vehicle, the utility model discloses a back anticollision roof beam includes inside hollow anticollision roof beam body to and connect the connecting seat on the terminal surface before the anticollision roof beam body, two that the connecting seat set up respectively for being close to anticollision roof beam body both ends. Simultaneously, the anticollision roof beam body adopts the extrusion aluminium structure, and the transversal rectangle of personally submitting of anticollision roof beam body, and the ratio between the width of anticollision roof beam body cross section and the height is not less than 0.7. The utility model discloses a back anticollision roof beam can realize this anticollision roof beam body large cross-section design through the width that increases the anticollision roof beam body, can improve its structural strength from this, promotes vehicle anticollision performance, simultaneously, adopts the extrusion aluminium structure, can also reduce mould development cost and self weight to improve whole car lightweight degree and use quality.

Description

Rear anti-collision beam and vehicle

Technical Field

The utility model relates to an automobile parts technical field, in particular to back anticollision roof beam, simultaneously, the utility model discloses still relate to a vehicle that is equipped with this back anticollision roof beam.

Background

The existing anti-collision beam is a device for reducing the impact force on a vehicle during collision, and mainly comprises a main beam, an energy absorption box and a mounting plate connected with the vehicle, wherein the main beam and the energy absorption box can effectively absorb the collision energy when the vehicle is collided at low speed, the damage of the impact force to a longitudinal beam of the vehicle body is reduced as much as possible, and the protective effect of the anti-collision beam on the vehicle body is further obtained.

However, when the anti-collision beam is designed, the anti-collision beam has the defects of large weight, complex structure, poor energy absorption effect and the like, so that the anti-collision performance is poor, the maintenance is difficult, the light weight design of the whole vehicle is influenced, and the use quality of the vehicle is further reduced.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a back anticollision roof beam, when it has good structural strength to can promote whole car lightweight degree.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a back anticollision roof beam, includes inside hollow anticollision roof beam body, and connects connecting seat on the terminal surface before the anticollision roof beam body, the connecting seat is for being close to two that anticollision roof beam body both ends set up respectively, the anticollision roof beam body adopts the extrusion aluminium structure, just the transversal rectangle of personally submitting of anticollision roof beam body, the ratio between the width of anticollision roof beam body cross section and the height is not less than 0.7.

Furthermore, the middle part of the anti-collision beam body is arched backwards to enable the anti-collision beam body to be arc-shaped.

Further, the inside integrated into one piece of anticollision roof beam body has the reinforcing plate, the reinforcing plate is connected between the front and back lateral wall of anticollision roof beam body.

Furthermore, the reinforcing plates are a plurality of reinforcing plates which are arranged at intervals up and down; and/or the reinforcing plate is provided with an anti-collision beam crumple hole which penetrates through at least one of the upper side wall and the lower side wall of the anti-collision beam body.

Further, the connecting seat includes that inside is formed with the connecting box of blind hole, and with the connecting plate that the connecting box links firmly, the connecting plate ring the drill way setting of blind hole, just the connecting box with the anticollision roof beam body links to each other, be equipped with on the connecting plate and be used for with the connecting portion of back anticollision roof beam connection in the automobile body.

Furthermore, the connecting seat is detachably connected to the anti-collision beam body.

Furthermore, the connecting seat is connected to the front side wall of the anti-collision beam body through a bolt connection structure, and a connection through hole corresponding to the bolt connection structure is formed in the rear side wall of the anti-collision beam body.

Compared with the prior art, the utility model discloses following advantage has:

back anticollision roof beam, set up the anticollision roof beam body into the width of cross section and the rectangle that the ratio between the height is not less than 0.7, the width of accessible increase anticollision roof beam body to realize the design of this anticollision roof beam body large cross section, and can improve its structural strength, and then promote vehicle anticollision performance, and simultaneously, the anticollision roof beam body adopts the extrusion aluminium structure, can also reduce mould development cost and self weight, realize the lightweight design of this anticollision roof beam body, thereby improve whole car lightweight degree and use quality.

Another object of the utility model is to provide a vehicle, be connected in the automobile body of vehicle as above the back anticollision roof beam.

Furthermore, the rear portion of automobile body has the fashioned back floor of integrative die-casting, the shaping has the back floor longeron of establishing respectively in both sides on the back floor, and both sides the rear end of back floor longeron all is connected with back floor longeron back end, back anticollision roof beam and both sides back floor longeron back end links to each other.

Furthermore, the rear section of the rear floor longitudinal beam is made of extruded aluminum profiles, and a plurality of longitudinal beam rear section collapse holes are formed in the rear section of the rear floor longitudinal beam.

The utility model discloses a vehicle sets up foretell back anticollision roof beam, can promote the crashworthiness of vehicle and whole car lightweight degree to make back anticollision roof beam directly link to each other with back floor longeron back end, can replace the energy-absorbing box by back floor longeron back end, save the back energy-absorbing box structure in the traditional vehicle, reach simplified structure, help the effect of whole car lightweight design.

In addition, the rear section of the rear floor longitudinal beam is made of extruded aluminum profiles, and the rear section of the longitudinal beam rear section is provided with the collapse holes, so that the collapse energy absorption effect of the rear section of the rear floor longitudinal beam can be improved by utilizing the consistent sections of the extruded aluminum profiles and the collapse guidance of the collapse holes.

Drawings

The accompanying drawings, which form a part of the present disclosure, are included to provide a further understanding of the present disclosure, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present disclosure and together with the description serve to explain the present disclosure. In the drawings:

fig. 1 is a schematic view of a rear impact beam according to a first embodiment of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a schematic view of another perspective structure of the rear impact beam according to the first embodiment of the present invention;

FIG. 4 is a partial enlarged view of portion B of FIG. 3;

fig. 5 is a schematic structural view of an impact beam body according to a first embodiment of the present invention;

FIG. 6 is an enlarged view of a portion C of FIG. 5;

fig. 7 is a schematic view of a view angle structure of a connection seat according to a first embodiment of the present invention;

fig. 8 is a schematic view of another view angle structure of the connection seat according to the first embodiment of the present invention;

fig. 9 is a schematic structural view of a rear floor according to a second embodiment of the present invention;

fig. 10 is a partially enlarged view of a portion D in fig. 9.

Description of the reference numerals:

1. an impact beam body; 100. a reinforcing plate; 1000. collapse holes of the anti-collision beam; 101. a front side wall; 1010. a sidewall connection hole; 102. a rear sidewall; 1020. a connecting via; 103. an upper side wall; 104. a lower sidewall;

2. a connecting seat; 201. a connection box; 2010. a box attachment hole; 202. a connecting plate; 2020. a plate attachment hole;

3. a rear floor stringer; 4. a rear wheel cover; 5. a rear floor beam; 6. a rear floor stringer rear section; 600. collapsing holes at the rear section of the longitudinal beam;

7. a longitudinal beam rear section connecting plate; 700. and connecting holes are formed in the rear section of the longitudinal beam.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", "front", "rear", "left", "right", etc. appear, they are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same item, but are instead intended to cover the same item.

In addition, in the description of the present invention, the terms "mounted," "connected," and "connected" are to be construed broadly unless otherwise specifically limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example one

The utility model relates to a back anticollision roof beam, on overall structure, it includes inside hollow anticollision roof beam body 1 to and connect connecting seat 2 on the terminal surface before the anticollision roof beam body 1, connecting seat 2 is for being close to two that 1 both ends of anticollision roof beam body set up respectively. Simultaneously, crashproof roof beam body 1 adopts the extrusion aluminium structure, and crashproof roof beam body 1's cross section is the rectangle, and the ratio between the width of crashproof roof beam body 1 cross section and the height is not less than 0.7.

It is worth mentioning that the front end face of the present embodiment means an end face of the impact beam body 1 facing the front side of the vehicle in a state of being assembled in the vehicle body. In the present embodiment, the cross section of the impact beam body 1 is rectangular, that is, as shown in fig. 4, the cross section is substantially rectangular in overall vision, but compared with the strict rectangular, the angles of the four corners of the cross section of the impact beam body 1 are not right angles, but certain structural changes can be made according to the requirements of appearance, structural performance and the like, for example, a chamfer design is made at the connection position of each side length.

Preferably, the structural design that the ratio of the width to the height of the cross section of the impact beam body 1 in this embodiment is not less than 0.7 means that compared with the cross section height of the existing impact beam body 1, the cross section height dimension (the height direction means the vehicle height direction) of this embodiment is increased in the width dimension (the width means the vehicle length direction) of the cross section under the premise that the height dimension of the cross section is not changed, so as to realize the aspect ratio not less than 0.7, thereby realizing the large-section design of the impact beam body 1, and improving the structural strength of the impact beam body 1.

Based on the above general description, in the present embodiment, as a preferred embodiment, as shown in fig. 1 and 3, the middle portion of the impact beam body 1 of the present embodiment is arched rearward so that the impact beam body 1 has an arc shape. Here, the middle part of anticollision roof beam body 1 is encircleed backward, means that anticollision roof beam body 1 assembles under the state in the automobile body, on the length direction of vehicle, the middle part of anticollision roof beam body 1 is encircleed out to the direction at vehicle rear portion, and makes anticollision roof beam body 1 be the arc setting, can promote this anticollision roof beam body 1's self structural strength, suffers when colliding at the vehicle rear portion, plays better safeguard effect to the vehicle.

Preferably, as shown in fig. 3 and 4, a reinforcing plate 100 is integrally formed inside the impact beam body 1, and the reinforcing plate 100 is connected between the front and rear side walls of the impact beam body 1. The front and rear side walls referred to herein respectively refer to the front side wall 101 and the rear side wall 102 of the impact beam body 1 in the length direction of the vehicle, the front end face of the impact beam body 1 is the outer end face of the front side wall 101, and the arrangement of the reinforcing plate 100 can effectively improve the structural strength of the impact beam body 1, thereby improving the impact resistance of the vehicle.

In specific implementation, the reinforcing plate 100 is two pieces arranged at intervals up and down, so that the cross section of the impact beam body 1 is substantially in a 'mesh' shape on the whole structure, and better structural strength is obtained. Meanwhile, the reinforcing plate 100 is further provided with an impact beam collapse hole 1000, and the impact beam collapse hole 1000 penetrates through the upper side wall 103 and the lower side wall 104 of the impact beam body 1. With such an arrangement, on the one hand, the structural strength of the impact beam body 1 is improved by setting the number of the reinforcing plates 100, and on the other hand, by setting the impact beam crush holes 1000, crush guidance of the reinforcing plates 100 can be realized when a vehicle is collided, so that the impact beam body 1 has energy absorption performance.

Of course, the upper side wall 103 and the lower side wall 104 described above refer to a top side wall and a bottom side wall of the impact beam body 1 in the vehicle height direction, respectively, in a state where the impact beam body 1 is assembled in the vehicle body. The number of the reinforcing plates 100 can be adjusted and set according to the actual structural strength requirement of the impact beam body 1, such as three or four reinforcing plates arranged in a one-piece, vertical-spaced manner.

The number and arrangement of the crush-reducing holes 1000 of the impact beam can be adjusted and set according to the actual crush-reducing guide requirement of the reinforcing plate 100, except that the crush-reducing holes 1000 of the impact beam penetrate through the upper sidewall 103 and the lower sidewall 104 of the impact beam body 1, for example, the crush-reducing holes 1000 of the impact beam are arranged in two groups at intervals, and the two groups of crush-reducing holes 1000 of the impact beam penetrate through the upper sidewall 103 and the lower sidewall 104 of the impact beam body 1, or the crush-reducing holes 1000 of the impact beam are arranged in one group penetrating through the upper sidewall 103 of the impact beam body 1, or the crush-reducing holes 1000 of the impact beam are arranged in one group penetrating through the lower sidewall 104 of the impact beam body 1.

It should be noted that, a chamfer structure is formed between the rear sidewall 102 and the upper sidewall 103 and the lower sidewall respectively, and the chamfer structure can play a role in guiding the collapse of the upper sidewall 103 and the lower sidewall 104 when the vehicle is collided, so as to improve the collapse energy absorption effect of the impact beam body 1.

As shown in fig. 1, fig. 3, fig. 7 and fig. 8, as preferable, the connecting socket 2 of this embodiment includes a connecting box 201 having a blind hole formed therein, and a connecting plate 202 fixedly connected to the connecting box 201, the connecting plate 202 is disposed around an orifice of the blind hole, the connecting box 201 is connected to the impact beam body 1, and a connecting portion for connecting the rear impact beam in the vehicle body is further disposed on the connecting plate 202.

When the connecting portion is implemented in detail, one example structure of the connecting portion may be a plurality of plate connecting holes 2020 arranged on the connecting plate 202, and the plate connecting holes 2020 are arranged at intervals around the hole of the blind hole, and the connecting plate 202 may be connected to the rear floor longitudinal beam 3 in the vehicle body through bolts penetrating through the plate connecting holes 2020, so as to achieve convenient assembly and disassembly between the impact beam body 1 and the vehicle body.

Also, as a preferred embodiment, the attachment seat 2 of the present embodiment is detachably attached to the impact beam body 1. As a further arrangement, as shown in fig. 1 and 2, the connecting base 2 is connected to the front side wall 101 of the impact beam body 1 through a bolt structure, and a connecting through hole 1020 arranged corresponding to the bolt structure is provided on the rear side wall 102 of the impact beam body 1.

During specific implementation, as shown in fig. 1, 5, 6 and 7, a plurality of box connecting holes 2010 are formed in the box body of the connecting box 201, a plurality of side wall connecting holes 1010 are formed in the front side wall 101 of the anti-collision beam body 1, and the connecting seat 2 and the anti-collision beam body 1 are fixedly connected through a plurality of bolts penetrating through the box connecting holes 2010 and the side wall connecting holes 1010 to realize convenient disassembly and assembly between the connecting seat and the anti-collision beam body. The connecting through holes 1020 are used for assembling and disassembling the bolts.

The back anticollision roof beam of this embodiment sets up anticollision roof beam body 1 into the rectangle that the ratio between the width of cross section and the height is not less than 0.7, and accessible increase anticollision roof beam body 1's width to realize the design of this anticollision roof beam body 1 big cross-section, improve its structural strength, and then promote vehicle anticollision performance. Simultaneously, crashproof roof beam body 1 adopts the extrusion aluminium structure, also can reduce mould development cost and self weight, realizes this crashproof roof beam body 1's lightweight design to improve whole car lightweight degree and use quality.

Example two

The embodiment relates to a vehicle, wherein a rear anti-collision beam in the first embodiment is connected to a vehicle body of the vehicle.

In a preferred embodiment, the rear floor of the vehicle body is integrally formed by die-casting, and the rear floor is formed with rear floor stringers 3 respectively disposed on both sides, and rear ends of the rear floor stringers 3 on both sides are connected to rear floor stringer rear sections 6, and the rear impact beam is connected to the rear floor stringer rear sections 6 on both sides.

As shown in fig. 9, in the present embodiment, the rear floor panel is integrally formed with a rear wheel house 4 connected to each side rear floor side member 3, and a rear floor cross member 5 connected between both side rear floor side members 3. The rear floor cross member 5 may be, for example, two members arranged at a distance from each other in the front-rear direction as shown in fig. 9, and the rear floor cross member 5 at the front end is normally provided with a rear seat mounting hole for mounting a rear seat. And the rear floor cross member 5 at the rear end can be used for mounting the spare tire box.

Further, rear sub-frame attachment structures are generally provided on the rear floor side members on both sides, and rear shock absorber attachment seats and the like are generally provided on the rear wheel covers on both sides.

In this embodiment, as shown in fig. 1, 7, 9 and 10, in specific implementation, the rear anti-collision beam is connected to the rear sections 6 of the two side rear floor stringers through the connecting seat 2, and preferably in a screw connection manner, since the connecting plate 202 is provided with a plurality of plate connecting holes 2020, and the plate connecting holes 2020 are arranged at intervals around the hole opening of the blind hole. At this time, the rear floor longitudinal beam rear section 6 is provided with the longitudinal beam rear section connecting plate 7, and the longitudinal beam rear section connecting plate 7 is provided with the longitudinal beam rear section connecting hole 700, so that the connecting plate 202 of the connecting socket 2 and the longitudinal beam rear section connecting plate 7 can be connected by a plurality of bolts respectively inserted into the plate connecting holes 2020 and the longitudinal beam rear section connecting holes 700.

As a further arrangement, the rear floor longitudinal beam rear section 6 is made of an extruded aluminum profile to reduce the mold development cost and the self weight, so as to realize the lightweight design of the rear floor longitudinal beam rear section 6, and as shown in fig. 9 and 10, the rear floor longitudinal beam rear section 6 is provided with a plurality of longitudinal beam rear section crumple holes 600 to enhance the energy absorption performance of the rear floor longitudinal beam rear section 6, thereby improving the quality of the whole vehicle.

Here, it is worth mentioning that, since the rear floor longitudinal beam rear section 6 and the rear impact beam body 1 both have the collapse energy absorption performance, and the two cooperate with each other, the energy absorption effect at the rear part of the vehicle body can be effectively improved, and the use quality of the vehicle can be effectively improved. In addition, when the longitudinal beam rear-section crush hole 600 is specifically designed, as shown in fig. 10, two longitudinal beam rear-section crush holes 600 are disposed at intervals on four side walls of the rear floor longitudinal beam rear section 6 and at the connection position of any two side walls.

Of course, the number and arrangement form of the rear-section crumple holes 600 of the longitudinal beams can be set and adjusted correspondingly according to the actual energy absorption requirement of the rear floor longitudinal beam rear section 6, for example, only two rear-section crumple holes 600 of the longitudinal beams are arranged on four side walls at intervals, and for example, the number of the rear-section crumple holes 600 of the longitudinal beams on the four side walls and at the connection position of any two side walls is set to be three or four.

The vehicle of this embodiment is through setting up the back anticollision roof beam of embodiment one, can promote the crashworthiness of vehicle and whole car lightweight degree to make back anticollision roof beam directly link to each other with back floor longeron back end 6, can replace the energy-absorbing box by back floor longeron back end 6, save the back energy-absorbing box structure in the traditional vehicle, reach and simplify the structure, help the effect of whole car lightweight design.

In addition, the rear floor longitudinal beam rear section 6 of the embodiment adopts an extruded aluminum profile, and the longitudinal beam rear section crumple hole 600 is arranged on the rear floor longitudinal beam rear section 6, so that the crumple energy absorption effect of the rear floor longitudinal beam rear section 6 can be improved by utilizing the uniform sections of the extruded aluminum profile and the crumple guide of the longitudinal beam rear section crumple hole 600.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A rear impact beam, characterized in that:

including inside hollow anticollision roof beam body (1), and connect connecting seat (2) on the terminal surface before anticollision roof beam body (1), connecting seat (2) are for being close to two that anticollision roof beam body (1) both ends set up respectively, anticollision roof beam body (1) adopts the extrusion aluminium structure, just the rectangle is personally submitted to the transversal cross section of anticollision roof beam body (1), the ratio between width and the height of anticollision roof beam body (1) cross section is not less than 0.7.

2. The rear impact beam of claim 1, wherein:

the middle part of the anti-collision beam body (1) is arched backwards, so that the anti-collision beam body (1) is arc-shaped.

3. The rear impact beam of claim 1, wherein:

inside integrated into one piece of anticollision roof beam body (1) has reinforcing plate (100), reinforcing plate (100) are connected between the front and back lateral wall of anticollision roof beam body (1).

4. A rear impact beam as claimed in claim 3, wherein:

the reinforcing plates (100) are arranged in an up-down interval manner; and/or the reinforcing plate (100) is provided with an anti-collision beam collapse hole (1000), and the anti-collision beam collapse hole (1000) penetrates through at least one of the upper side wall (103) and the lower side wall (104) of the anti-collision beam body (1) together.

5. The rear impact beam of claim 1, wherein:

the connecting seat (2) comprises a connecting box (201) with a blind hole formed inside and a connecting plate (202) fixedly connected with the connecting box (201), the connecting plate (202) is connected with the hole opening of the blind hole, the connecting box (201) is connected with the anti-collision beam body (1), and a connecting portion used for connecting the rear anti-collision beam in the vehicle body is arranged on the connecting plate (202).

6. A rear impact beam as claimed in any one of claims 1 to 5, wherein:

the connecting seat (2) is detachably connected to the anti-collision beam body (1).

7. The rear impact beam of claim 6, wherein:

the connecting seat (2) is connected to the front side wall (101) of the anti-collision beam body (1) through a bolt connection structure, and a connection through hole (1020) corresponding to the bolt connection structure is formed in the rear side wall (102) of the anti-collision beam body (1).

8. A vehicle, characterized in that:

a rear impact beam as claimed in any one of claims 1 to 7 is attached in the body of the vehicle.

9. The vehicle according to claim 8, characterized in that:

the rear portion of automobile body has integrative die-casting forming's back floor, the shaping has rear floor longeron (3) of establishing respectively in both sides on the back floor, and both sides the rear end of rear floor longeron (3) all is connected with rear floor longeron back end (6), back anticollision roof beam and both sides rear floor longeron back end (6) link to each other.

10. The vehicle according to claim 9, characterized in that:

the rear floor longitudinal beam rear section (6) is made of extruded aluminum profiles, and a plurality of longitudinal beam rear section collapse holes (600) are formed in the rear floor longitudinal beam rear section (6).

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