CN217048530U - Automobile rear end protection structure - Google Patents

Abstract

The application discloses car rear end protection architecture includes: the rear end plate, the rear anti-collision beam and the rear safety mounting brackets are arranged in sequence; the two ends of the rear anti-collision beam are of an open structure, the rear anti-collision beam comprises a front panel, an upper panel, a lower panel, an upper edge and a lower edge, the upper panel and the lower panel are symmetrically arranged and integrally formed with the front panel, the upper edge and the upper panel are integrally formed and folded towards the outer side of the upper edge, and the lower edge and the lower panel are integrally formed and folded towards the outer side of the lower edge; the top and the rear portion of back safety protection dress support are open structure, and back safety protection dress support includes bottom surface panel, first curb plate, second curb plate and front end plate, and first curb plate and second curb plate symmetry set up and constitute with bottom surface panel is integrative, and the front end of first curb plate, second curb plate and bottom surface panel corresponds separately and the base of front end plate, first side and the integrative constitution of second side. Through the rear anti-collision beam and the rear safety mounting support with the structure, the impact resistance can be further improved, and the structure is simple and convenient to process.

Description

Automobile rear end protection structure

Technical Field

The utility model relates to a technical field of car protection architecture particularly relates to car rear end protection architecture.

Background

In order to satisfy the regulations of 'front and rear end protection devices of automobiles', the rear end protection structure of a mature automobile type on the market generally comprises a rear end plate, an energy absorption box connected with the rear end plate and a rear anti-collision beam connected with the energy absorption box. Wherein, back anticollision roof beam receives external shock at first, the energy-absorbing box is receiving impact absorption partly external force simultaneously, in order to resist impact, because the energy-absorbing box is located between rear end plate and the back anticollision roof beam, the energy-absorbing effect is relatively poor, this energy-absorbing box is all around and can't be with the better absorption of external force when receiving external force for seal structure, the both ends of back anticollision roof beam are not enough for seal structure shock resistance, in addition, the energy-absorbing box and the back anticollision roof beam welding point that adopt above-mentioned structure are more, the structure is too loaded down with trivial details, it is convenient inadequately to process.

SUMMERY OF THE UTILITY MODEL

It is an object of the present application to overcome the above problems or to at least partially solve or alleviate the above problems.

For realizing the utility model discloses a first aspect, the technical scheme of the utility model provide an automobile rear end protection architecture, include: the rear bumper beam is fixedly connected with the rear end plate, and a plurality of rear safety mounting brackets are fixedly connected with the rear anti-collision beam; the two ends of the rear anti-collision beam are of an open structure and comprise a front panel, an upper panel, a lower panel, an upper edge and a lower edge, wherein the upper panel and the lower panel are symmetrically arranged and integrally formed with the front panel, the upper edge and the upper panel are integrally formed and folded towards the outer side of the upper edge, and the lower edge and the lower panel are integrally formed and folded towards the outer side of the lower edge; the top and the rear portion of back safety protective clothing support are open structure, and it includes bottom surface panel, first curb plate, second curb plate and positive end plate, wherein, first curb plate with second curb plate symmetry set up and with a bottom surface panel is integrative to be constituted, just first curb plate the second curb plate with the front end of bottom surface panel respectively correspondingly with the base of positive end plate, first side and the integrative constitution of second side.

The beneficial effect of this application is: through the both ends design of back anticollision roof beam for open structure, can save materials, the energy-absorbing effect is better simultaneously, and this back anticollision roof beam includes positive panel, top panel, lower panel, top edge and lower limb, and this top panel and this lower panel symmetry set up and constitute with this positive panel is integrative, and top edge and top panel are integrative to be constituted and turn over to its outside, and this lower limb and this lower panel are integrative to be constituted and turn over to its outside, can save more solder joint like this. The top and the rear portion of back safety protection dress support are open structure, can save materials, and the energy-absorbing effect is better simultaneously, and this back safety protection dress support includes bottom surface panel, first curb plate, second curb plate and front end plate, and this first curb plate and this second curb plate symmetry set up and constitute with this bottom surface panel is integrative, the front end of first curb plate, second curb plate and bottom surface panel respectively corresponding ground and the base of front end plate, first side and the integrative constitution of second side, because solderless rigidity is better when receiving the impact. Through setting gradually back end plate, back anticollision roof beam and a plurality of back safety protective clothing support, can further promote the impact resistance, and simple structure, the processing of being convenient for.

Additionally, the above technical solution of the present invention can also have the following additional technical features:

in the technical scheme, a plurality of vertical first convex belts are arranged on the upper part and the lower part of the outer surface of the rear end plate at equal intervals, and a first plane is arranged between the adjacent first convex belts; a plurality of vertical second raised belts are arranged on the outer surfaces of the upper edge and the lower edge at equal intervals, and a second plane is arranged between every two adjacent second raised belts; the first protruding belt and the second protruding belt are pressed and welded in a matched mode, and a gap is formed between the first plane and the second plane.

In the technical scheme, the width of the gap is 3-7 mm, and the gap is used for electrophoresis exhaust.

In the above technical scheme, the opening structure is a transverse U-shaped opening.

In the technical scheme, the rear security installation bracket is in a dustpan shape.

In the technical scheme, the rear ends of the first side plate and the second side plate are respectively provided with a connecting sheet which is turned over towards the outer side of the first side plate and is used for welding with the rear anti-collision beam, the rear end of the front end plate is provided with a connecting plate, the middle part of the connecting plate is transversely provided with a bend so that the upper part of the connecting plate forms a slope, and the connecting plate is used for abutting against and welding with the lower part of the anti-collision beam.

In the above technical scheme, the joints between the first side plate and the bottom surface plate, the joints between the second side plate and the bottom surface plate, and the joints between the first side plate, the second side plate, the front end of the bottom surface plate and the front surface end plate are all formed with communicated second grooves, and the upper parts of the first side plate and the second side plate are all provided with third grooves and communicated with the second grooves.

In the technical scheme, the connecting plate is vertically provided with the first groove.

In the above technical scheme, the bottom panel is provided with a first through hole and a second through hole.

In the above technical scheme, the front end plate is provided with a mounting hole.

The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present application will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily to scale. In the drawings:

FIG. 1 is a schematic front view of an automotive rear end protection architecture according to one embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of the rear end protection structure of the automobile shown in FIG. 1;

fig. 3 is a schematic perspective view of a rear mounting bracket of the rear end protection structure of the vehicle shown in fig. 1.

The labels in the figure are:

1. a rear end plate; 1-1, a first raised strip; 1-2, a first plane;

2. a rear impact beam; 2-1, a front panel; 2-2, an upper panel; 2-3, a lower panel; 2-4, upper edge; 2-5, lower edge; 2-6; a second plane; 2-7, gaps; 2-8, a second raised strip;

3. a rear security mounting bracket; 3-1, a bottom panel; 3-2, a first side plate; 3-3, a second side plate; 3-4, front end plate; 3-5, a first through hole; 3-6, a second through hole; 3-7, mounting holes.

Detailed Description

The present application will now be described in further detail by way of specific embodiments with reference to the accompanying drawings. The following examples are intended to illustrate the present application, but are not intended to limit the scope of the present application.

The utility model provides a rear end protection architecture of automobile, as shown in fig. 1, fig. 2 and fig. 3, in a specific embodiment, this rear end protection architecture of automobile generally can be including the rear end plate 1, the back anticollision roof beam 2 and the back safety guard's support 3 that set gradually. The rear end plate 1 is welded and installed at the rear part of the automobile body, the rear anti-collision beam 2 is fixedly connected with the rear end plate 1 in a welding mode, and the rear safety mounting support 3 is fixedly connected with the rear anti-collision beam 2 in a welding mode.

In a specific implementation, both ends of the rear impact beam 2 are of an open structure, and the rear impact beam 2 generally comprises a front panel 2-1, an upper panel 2-2, a lower panel 2-3, an upper edge 2-4 and a lower edge 2-5. The upper panel 2-2 and the lower panel 2-3 are symmetrically arranged and are integrated with the front panel 2-1, the upper edge 2-4 and the upper panel 2-2 are integrated and are folded towards the outer side, and the lower edge 2-5 and the lower panel 2-3 are integrated and are folded towards the outer side.

Specifically, the upper panel 2-2 and the lower panel 2-3 are identical in structural size and are rectangular strips, and the front panel 2-1 is a rectangular strip. Wherein, the upper panel 2-2, the lower panel 2-3 and the front panel 2-1 can also be formed by splitting and welding.

In a specific implementation, the top and rear of the rear mounting rack 3 are open structures, and the rear mounting rack 3 may generally include a bottom panel 3-1, a first side panel 3-2, a second side panel 3-3, and a front end panel 3-4. The first side plate 3-2 and the second side plate 3-3 are symmetrically arranged and are integrally formed with the bottom panel 3-1, and the front ends of the first side plate 3-2, the second side plate 3-3 and the bottom panel 3-1 are respectively and correspondingly integrally formed with the bottom edge, the first side edge and the second side edge of the front end plate 3-4, so that the structure is simple and the processing is convenient.

In addition, the front end plate 3-4 is provided with a mounting hole 3-7 for mounting a buffer foam block.

Optionally, the bottom panel 3-1 is provided with a first through hole 3-5 and a second through hole 3-6 for positioning during welding and for wire harness installation.

Specifically, the first side plate 3-2 and the second side plate 3-3 have the same structural size and are rectangular strips.

Preferably, the first side plate 3-2 and the second side plate 3-3 are each inclined outwardly thereof to increase the force-receiving area.

The beneficial effect of this application is: the two ends of the rear anti-collision beam 2 are designed to be open structures, so that materials can be saved, the energy absorption effect is better, the rear anti-collision beam 2 can comprise a front panel 2-1, an upper panel 2-2, a lower panel 2-3, an upper edge 2-4 and a lower edge 2-5, the upper panel 2-2 and the lower panel 2-3 are symmetrically arranged and are integrally formed with the front panel 2-1, the upper edge 2-4 and the upper panel 2-2 are integrally formed and are folded outwards, and the lower edge 2-5 and the lower panel 2-3 are integrally formed and are folded outwards, so that more welding spots can be saved. The top and the rear part of the rear security protection bracket 3 are of an open structure, so that materials can be saved, and meanwhile, the energy absorption effect is better, the rear security protection bracket 3 comprises a bottom panel 3-1, a first side panel 3-2, a second side panel 3-3 and a front end panel 3-4, wherein the first side panel 3-2 and the second side panel 3-3 are symmetrically arranged and are integrally formed with the bottom panel 3-1, the front ends of the first side panel 3-2, the second side panel 3-3 and the bottom panel 3-1 are respectively and correspondingly integrally formed with the bottom edge of the front end panel 3-4, the first side edge and the second side edge, and the rigidity is better when the rear security protection bracket is impacted due to no welding points. Through setting up back end plate 1, back anticollision roof beam 2 and a plurality of back safety device support 3 in proper order, can further promote the impact resistance, and simple structure, the processing of being convenient for.

Through adopting the rear cartridge support 3 and the rear anti-collision beam 2 of above-mentioned structure, its connection reduces 24 solder joints than current same structure motorcycle type, and this rear cartridge support 3 and rear anti-collision beam 2 part unloading size weight reduce 1.2kg totally. Compare a plurality of parts of original energy-absorbing box installation component structure fewly, reduce development such as part mould development and welding frock tool, need not increase artifical construction bolt, direct welding. Meanwhile, the rear anti-collision beam 2 is sequentially arranged on the rear end plate 1, the rear security support 3 is arranged on the rear anti-collision beam 2, and the rear security support 3 absorbs energy, so that the damage probability of the rear anti-collision beam 2 can be reduced. The rear safety mounting bracket 3 is connected with the rear anti-collision beam 2 through 4 welding points, and when a vehicle collides, the rear safety mounting bracket 3 is firstly contacted with the rear skin, so that the collision force is transmitted to the rear safety mounting bracket 3 through the rear skin and then transmitted to the vehicle body. The rear door area is directly damaged by collision when the vehicle is collided, the rear door is damaged and cannot be opened, and finally the requirement of a low-speed collision rear-end protection rule is met.

In the present embodiment, optionally, as shown in fig. 1 and 2, a plurality of vertical first raised strips 1-1 are equally spaced from the upper portion and the lower portion of the outer surface of the rear end plate 1, and a first plane 1-2 is formed between adjacent first raised strips 1-1. The outer surfaces of the upper edge 2-4 and the lower edge 2-5 are respectively provided with a plurality of vertical second convex belts 2-8 at equal intervals, and a second plane 2-6 is arranged between the adjacent second convex belts 2-8. Wherein, the first convex strip 1-1 and the second convex strip 2-8 are pressed and welded in a matching way. The rear end plate 1 and the rear anti-collision beam 2 are connected by arranging the first convex strip 1-1 and the second convex strip 2-8 to cooperate, so that a first plane 1-2 and a second plane 2-6 are formed, a gap 2-7 is arranged between the first plane 1-2 and the second plane 2-6, the width of the gap 2-7 is 3-7 mm and is used for electrophoresis exhaust, and preferably, the width of the gap 2-7 is 5 mm.

Specifically, the first raised strip 1-1 and the second raised strip 2-8 are generally formed by directly pressing through a die, and are matched in size and shape, and are mostly rectangular strips.

Optionally, a plurality of vertical first raised strips 1-1 are arranged on the upper part and the lower part of the outer surface of the rear end plate 1 at equal intervals, wherein the number of the upper first raised strips 1-1 and the number of the lower first raised strips 1-1 may be uniform or nonuniform. The number of the second raised strips 2-8 of the upper edge 2-4 and the second raised strips 2-8 of the lower edge 2-5 may be uniform or non-uniform. Further, the number of the first raised strips 1-1 at the upper part and the number of the second raised strips 2-8 at the upper edge 2-4 are kept consistent, and the number of the first raised strips 1-1 at the lower part and the number of the second raised strips 2-8 at the lower edge 2-5 are kept consistent, so that structural integrity is realized, and the rear end plate 1 and the rear anti-collision beam 2 are structurally matched.

Optionally, the rear impact beam 2 is further connected with the rear end plate 1 by bolts to increase the firmness.

Specifically, the opening structure is a transverse U-shaped opening structure, the problem that a die needs to be formed by a drawing die due to the fact that the two ports of the rear anti-collision beam 2 are closed is solved, the utilization rate of part materials is low, and meanwhile materials can be saved.

In this embodiment, the rear jack mount 3 is optionally dustpan shaped, as shown in fig. 1 and 3.

Alternatively, the rear security equipment support 3 may be integrally formed or separately formed, and welding is adopted in the separate formation, so that the firmness is good.

In this embodiment, optionally, as shown in fig. 3, the connecting pieces 3-8 folded toward the outer sides are provided at the rear ends of the first side plate 3-2 and the second side plate 3-3, and are used for welding with the rear impact beam 2, so that the firmness is good. The rear end of the front end plate 3-4 is provided with a connecting plate 3-9, and the middle part of the connecting plate 3-9 is transversely provided with a bend 3-10 so that the upper part of the connecting plate 3-9 forms a slope 3-11 for abutting against and welding with the lower part of the anti-collision beam 2, thereby increasing the buffer force when being impacted. By manufacturing the rear security installation support 3 into the structure, the impact resistance can be further improved, and the structure is simple and convenient to process.

Specifically, the first side plate 3-2 and the second side plate 3-3 are substantially rectangular bodies and are respectively inclined towards the outer side of the bottom plate 3-1 by an angle of 30 degrees, so that the stress area is increased, and the impact resistance is improved.

Specifically, the front end plate 3-4 is a U-shaped plate and is structurally matched with the first side plate 3-2 and the second side plate 3-3.

Specifically, the connecting sheet 3-8 is a triangle with a round chamfer, and the connecting sheet 3-8 and the front panel 2-1 are welded to realize the fixed connection of the rear security support 3 and the rear anti-collision beam 2.

Specifically, the connecting plates 3-9 are rectangular bodies, so that the contact area between the connecting plates and the front panel 2-1 and the contact area between the connecting plates and the lower panel 2-3 can be increased, and the firmness is improved by welding.

Furthermore, the slope 3-11 is abutted against the lower part of the front panel 2-1, and the bend 3-10 is matched with and abutted against an included angle between the front panel 2-1 and the lower panel 2-3, so that the impact force is further improved.

In the present embodiment, optionally, as shown in fig. 3, a connecting portion between the first side plate 3-2 and the bottom surface plate 3-1, a connecting portion between the second side plate 3-3 and the bottom surface plate 3-1, and a connecting portion between the first side plate 3-2, the second side plate 3-3, and the front end of the bottom surface plate 3-1 and the front end plate 3-2 are all formed with a communicating second groove 3-13, upper portions of the first side plate 3-2 and the second side plate 3-3 are all provided with a third groove 3-14 and are communicated with the second groove 3-13, and the connecting plate 3-9 is vertically provided with a first groove 3-12. The first grooves 3-12, the second grooves 3-13 and the third grooves 3-14 are arranged to reinforce the whole structure of the rear security equipment support 3, so that the force in the direction of the front end plate 3-4 can be better borne, and the effect of impact resistance is improved.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. In the description of the present application, "a plurality" means two or more unless specifically defined otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections or integral parts thereof; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. An automobile rear end protection structure, comprising:

the rear bumper beam assembly comprises a rear end plate (1) sequentially arranged at the rear part of an automobile body, a rear anti-collision beam (2) fixedly connected with the rear end plate (1), and a plurality of rear security installations (3) fixedly connected with the rear anti-collision beam (2);

the two ends of the rear anti-collision beam (2) are of an open structure and comprise a front panel (2-1), an upper panel (2-2), a lower panel (2-3), an upper edge (2-4) and a lower edge (2-5), wherein the upper panel (2-2) and the lower panel (2-3) are symmetrically arranged and integrally formed with the front panel (2-1), the upper edge (2-4) and the upper panel (2-2) are integrally formed and folded towards the outer side of the upper panel, and the lower edge (2-5) and the lower panel (2-3) are integrally formed and folded towards the outer side of the upper panel;

the top and the rear portion of back safety protective clothing support (3) are open structure, and it includes bottom surface board (3-1), first curb plate (3-2), second curb plate (3-3) and front end plate (3-4), wherein, first curb plate (3-2) with second curb plate (3-3) symmetry set up and with bottom surface board (3-1) an organic whole constitutes, just first curb plate (3-2), second curb plate (3-3) with the front end of bottom surface board (3-1) respectively corresponding with the base of front end plate (3-4), first side and the integrative constitution of second side.

2. The automobile rear-end protection structure according to claim 1, characterized in that:

a plurality of vertical first convex belts (1-1) are arranged on the upper part and the lower part of the outer surface of the rear end plate (1) at equal intervals, and a first plane (1-2) is arranged between the adjacent first convex belts (1-1);

the outer surfaces of the upper edges (2-4) and the lower edges (2-5) are respectively provided with a plurality of vertical second raised strips (2-8) at equal intervals, and a second plane (2-6) is arranged between the adjacent second raised strips (2-8);

the first convex belt (1-1) and the second convex belt (2-8) are pressed and welded in a matching mode, and a gap (2-7) is formed between the first plane (1-2) and the second plane (2-6).

3. The automobile rear-end protection structure according to claim 2, characterized in that:

the width of the gap (2-7) is 3-7 mm, and the gap is used for electrophoresis exhaust.

4. The automobile rear-end protection structure according to claim 1, characterized in that:

the opening structure is a transverse U-shaped opening.

5. The automobile rear-end protection structure according to claim 1, characterized in that:

the rear security installation support (3) is dustpan-shaped.

6. The automobile rear-end protection structure according to claim 1, characterized in that:

the rear ends of the first side plate (3-2) and the second side plate (3-3) are respectively provided with a connecting piece (3-8) which is turned over towards the outer side of the first side plate and the second side plate and used for being welded with the rear anti-collision beam (2), the rear end of the front end plate (3-4) is provided with a connecting plate (3-9), the middle of the connecting plate (3-9) is transversely provided with a bend (3-10) so that the upper portion of the connecting plate (3-9) forms a slope (3-11) and is used for being abutted against and welded with the lower portion of the anti-collision beam (2).

7. The automobile rear-end protection structure according to claim 1 or 6, characterized in that:

the joint between the first side plate (3-2) and the bottom panel (3-1), the joint between the second side plate (3-3) and the bottom panel (3-1), and the joint between the first side plate (3-2), the second side plate (3-3), the front end of the bottom panel (3-1) and the front end plate (3-4) are all formed with communicated second grooves (3-13), and the upper parts of the first side plate (3-2) and the second side plate (3-3) are all provided with third grooves (3-14) and communicated with the second grooves (3-13).

8. The automobile rear-end protection structure according to claim 6, characterized in that:

the connecting plate (3-9) is vertically provided with a first groove (3-12).

9. The automobile rear-end protection structure according to claim 1, characterized in that:

the bottom panel (3-1) is provided with a first through hole (3-5) and a second through hole (3-6).

10. The automobile rear-end protection structure according to claim 1, characterized in that:

the front end plate (3-4) is provided with a mounting hole (3-7).

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