CN201597537U - Automobile collision protecting device and automobile comprising same - Google Patents
Automobile collision protecting device and automobile comprising same Download PDFInfo
- Publication number
- CN201597537U CN201597537U CN2009202774711U CN200920277471U CN201597537U CN 201597537 U CN201597537 U CN 201597537U CN 2009202774711 U CN2009202774711 U CN 2009202774711U CN 200920277471 U CN200920277471 U CN 200920277471U CN 201597537 U CN201597537 U CN 201597537U
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- buffering
- deformed plate
- collision
- protective device
- bumper beam
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Abstract
An automobile collision protecting device comprises a bumper transverse beam (1). The bumper transverse beam (1) is connected onto an automobile frame through buffer deformation plates (2, 3); the bumper transverse beam (1) and the buffer deformation plates (2, 3) are connected into a structure provided with at least three collision protection surfaces (13, 14 and 15) which are sequentially arranged; and at least two collision deformation spaces (11 and 12) are formed among the collision protecting surfaces (13, 14 and 15). The collision protecting device forms at least three collision protection surfaces, and correspondingly is provided with at least two collision deformation spaces, thereby being capable of remarkably increasing bearing capacity for collision impacting load. Besides, when collision impacting load is larger, the collision protecting device can effectively absorb and consume collision kinetic energy through three-stage plastic deformation of the three collision protecting surfaces, thereby reducing automobile body deformation in the collision process of an automobile, and ensuring safety of passengers and drivers.
Description
Technical field
The utility model relates to a kind of auto against protective device, particularly, relates to a kind of auto against protective device that comprises bumper beam.In addition, the utility model also relates to a kind of automobile that comprises described auto against protective device.
Background technology
Along with the development of society, people are more and more higher to the requirement of life.Automobile is as current social important walking-replacing tool, and people are strict day by day to its performance requriements, and wherein the safety of automobile is most important.
From the angle of mechanics study, should improve bus body strength with the opposing body distortion as far as possible.Yet, under the situation that bus body strength can't continue to improve, just must seek other solution.Wherein, the structure of auto against protective device is the key of safety in the automobile collision procedure.Therefore, from the automobile development, whether the designer must consider whether its structure design is reasonable, safe and reliable.
In order to guarantee the safety of collision back occupant as far as possible, modern automobile vehicle body front and rear part is provided with bigger collision deformation zone and high-intensity bumper/spoiler mostly, with the power of withstanding shocks, absorbs collision energy, to reduce the distortion of passenger compartment as far as possible, safeguards occupant's safety.
But, with regard to the proof equipment of existing automobile, it bears collision impact power by a bumper/spoiler mostly, though be provided with bigger collision deformation space at the rear portion of bumper/spoiler, but these collision deformation spaces can not absorb impact load, in fact, in these auto against protective devices, when automobile bumps, the load ability to bear of proof equipment only depends on the intensity of an independent bumper/spoiler, and the plastic deformation that attenuation by absorption collision impact load also only depends on this single bumper/spoiler realizes.
From safety that at utmost guarantees the passenger and the angle that reduces the automobile damage, this is far from being enough.Because in automobile collision procedure, collision impact load is sizable, and only bearing also by single bumper/spoiler, attenuate shock load can't guarantee vehicle safety.In the collision process of reality, common situation is, has been deformed to the limit and after being torn at this single bumper/spoiler, impact load is still very big, so that collision process proceeds, thereby causes a tremendous loss of lives, and vitals such as badly damaged automotive engine.
That is to say that the ability that the proof equipment of above-mentioned prior art is born collision impact load is not enough, and can not cushion the collision attenuating impact load effectively.
The utility model content
Technical problem to be solved in the utility model provides a kind of auto against protective device, and this auto against protective device not only has the ability to bear of good collision impact load, and can cushion the collision attenuating impact load at many levels.
The utility model also will provide a kind of automobile, and this automobile has described auto against protective device, and this automobile protective device is installed in the front and/or rear of automobile.
For solving the problems of the technologies described above, the utility model provides a kind of auto against protective device, this auto against protective device comprises bumper beam, wherein, described bumper beam is connected on the vehicle frame by the buffering deformed plate, wherein said bumper beam and described buffering deformed plate connect into the structure with collision protection face that at least three roads are arranged in order, and are formed with two collision deformation spaces between this collision protection face at least.
Preferably, described buffering deformed plate comprises the first buffering deformed plate and the second buffering deformed plate, and described bumper beam is the plate product with channel shape cross-section, the described first buffering deformed plate is the plate product with rectangular cross section, the described second buffering deformed plate is the plate product that is bent with predetermined angular, wherein said bumper beam, the first buffering deformed plate and the second buffering deformed plate connect successively, first collision protection face on this bumper beam, the 3rd collision protection face on the second collision protection face on the first buffering deformed plate and the second buffering deformed plate is parallel to each other, and at this first collision protection face, be formed with the first collision deformation space and the second collision deformation space between the second collision protection face and the 3rd collision protection face.
This proof equipment is owing to formed at least three collision protection faces, and correspondingly be provided with at least two collision deformation spaces, the plate product that wherein constitutes three collision protection faces all can bear collision impact load, therefore can improve the ability to bear to the collision impact load significantly.And, when collision impact load is big, the three grade plastics distortion of the plate product by constituting three collision protection faces, to cushion the collision attenuating impact load layer by layer, therefore can absorb the consumption impact kinetic energy effectively, thereby reduced the distortion of vehicle body in the automobile collision procedure, guaranteed the safety of passenger and chaufeur.In addition, the parameters such as cross sectional shape, size, wall thickness and material behavior by changing this proof equipment can make it have different intensity and cushion energy absorbing property, thereby satisfy the security requirement of different automobiles.The advantage of relevant other preferred implementation of the utility model is partly described the specific embodiment below in detail.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in detail, in the accompanying drawings:
Fig. 1 is the installation block diagram from the auto against protective device of the utility model embodiment of beneath;
Fig. 2 is the exploded perspective view of the proof equipment of the utility model embodiment;
Fig. 3 is the front elevation of the auto against protective device installing condition of the utility model embodiment;
Fig. 4 is the birds-eye view of the auto against protective device installing condition of the utility model embodiment;
Fig. 5 is the upward view of the auto against protective device installing condition of the utility model embodiment;
Fig. 6 is the lateral plan of the auto against protective device installing condition of the utility model embodiment;
Fig. 7 is the annexation figure of major part of the auto against protective device of the utility model embodiment;
Fig. 8 is the block diagram of bumper beam of the auto against protective device of the utility model embodiment;
Fig. 9 be the utility model embodiment the auto against protective device first the buffering deformed plate block diagram;
Figure 10 be the utility model embodiment the auto against protective device second the buffering deformed plate block diagram.
The reference marker explanation:
The 1-bumper beam 2-first buffering deformed plate
The 3-second buffering deformed plate 4-left side connecting panel
The right connecting panel 6-of 5-sinistral carriage longeron
Longeron among the 7-dextral carriage longeron 8-
9-crossbeam 10-floor frame
The 11-first collision deformation space 12-second collision deformation space
The 13-first collision protection face 14-second collision protection face
15-the 3rd collision protection face 16-bumper beam reinforced rib
The 17-first buffering deformed plate reinforced rib 18-second buffering deformed plate reinforced rib
19-first connects flange 20-second and connects flange
21-the 3rd connects the dogleg section of the flange 22-second buffering deformed plate
The specific embodiment
The specific embodiment of the utility model auto against protective device is described below in conjunction with accompanying drawing.Need to prove that auto against protective device of the present utility model both can be the preceding proof equipment of automobile, also can be the back proof equipment of automobile.In addition, in the description of following body embodiment, the relevant left and right noun of locality that waits only is to adopt for convenience of description, but these orientation are consistent with front, rear, left and right direction under the automobile installing condition.
Major technique design of the present utility model is that multilayer buffering deformed plate is set at the rear of bumper beam 1, improving ability to bear, and form multi-level buffering attenuating structure to the collision impact load to collision impact load when head-on crash or rear-end collision (especially longitudinal impact load).For this reason, the basic technical scheme that the utility model adopts is that bumper beam 1 is connected on the vehicle frame by the buffering deformed plate, wherein bumper beam 1 and described buffering deformed plate connect into the structure with collision protection face that at least three roads are arranged in order, and are formed with two collision deformation spaces between this collision protection face at least.
In above-mentioned basic technical scheme, bumper beam 1 is connected on the vehicle frame by the buffering deformed plate, because need on the impact direction of impact load, form multi-level buffer structure, therefore the upper surface of vehicle frame generally also needs to be provided with intermediate connector (not shown)s such as the adapter plate that stretches out, support, so that the buffering deformed plate is along being installed as multi-level buffer structure on the impact direction of impact load.
For reducing above-mentioned intermediate connector as far as possible, can make full use of existing floor frame 10.Therefore, more preferably, bumper beam 1 is also connected on the floor frame 10 by described buffering deformed plate.In this preferred scheme, can save intermediate connectors such as above-mentioned adapter plate, support, thereby save the manufacturing cost of automobile.
On the basis of above-mentioned basic technical scheme, a kind of preferred form of this auto against protective device is described below in conjunction with accompanying drawing.
The proof equipment of this preferred form mainly comprises bumper beam 1, the first buffering deformed plate 2 and the second buffering deformed plate 3.At first describe the structure of each parts of the proof equipment of this preferred form, these parts mainly are the plate products, and for example steel plateelement, plastic-steel plate etc. mainly are that example is set forth with the steel plateelement in the following description.
As shown in Figure 8, bumper beam 1 is for having the steel plateelement of grooved cross-sectional plane, and this steel stamping part can form by Sheet Metal Forming Technology.Because in the installation process of proof equipment, the preferred welding process that adopts, therefore can be formed with at two opposing sideplates edges of the notch side of bumper beam 1 open side of the cross-sectional plane of bumper beam 1 (promptly) towards what notch turned up and first connect flange 19, this first connects flange 19 and reclines when being connected to the first following buffering deformed plate 2 on this first buffering deformed plate 2, so that weld.In order to strengthen the intensity of this bumper beam 1, on this bumper beam 1, can be formed with reinforced rib 16, this reinforced rib 16 mainly is formed on the lower surface of bumper beam in Fig. 8, also can be formed on other position as the case may be certainly.Has first collision protection face 13 on this bumper beam 1, this first collision protection face 13 is made of the steel plate relative with notch side part (promptly on the cross-sectional plane of bumper beam 1 steel plate part) relative with open side, when auto against took place, this first collision protection face 13 was faces that described proof equipment at first contacts with the collision thing.Generally speaking, because this bumper beam 1 is used for erection insurance thick stick ornamental trimming, and the bumper/spoiler ornamental trimming generally with automobile before enclose or the radian of back wall consistent, therefore described bumper beam 1 also can be formed with predetermined radian or curvature with erection insurance thick stick ornamental trimming along the horizontal direction of automobile, correspondingly, the following first buffering deformed plate 2 and the second buffering deformed plate 3 also can form same or analogous radian or curvature.
As shown in Figure 9, the first buffering deformed plate 2 is basic for having the steel plateelement of rectangular cross section, and as mentioned above, this steel plateelement is formed with predetermined radian along horizontal direction.Certainly, in the left and right side of this first buffering deformed plate 2 and the structure that the upper end also can form flange and so on, to be connected with the lower surface of vehicle body left and right side coaming plate or floor frame 10 easily.Preferably, also be formed with reinforced rib 17 on this first buffering deformed plate 2, in Fig. 9, this reinforced rib 17 is arranged on the zone line of the first buffering deformed plate 2.Wherein, the surface that is connected with bumper beam 1 of this first buffering deformed plate 1 is the second collision protection face 14.
As shown in figure 10, the second buffering deformed plate 3 is the steel plateelement of bending, under the installing condition of this second buffering deformed plate 3, wherein this steel plateelement dogleg section is vertical state, the surface towards the first buffering deformation component 1 of this vertical dogleg section constitutes the 3rd collision protection face 15, another dogleg section 21 of this steel plateelement and the 3rd collision protection face 15 form predetermined angle, should predetermined angle can be 90 °, but needs according to installation situation, also can form and be greater than or less than 90 °, so the cross-sectional plane of this second buffering deformed plate 3 is L type or similar L type.For easy for installation, the edge that constitutes the dogleg section of the 3rd collision protection face 15 can be formed with second and connect flange 20, with the lower surface that abuts in floor frame 10 so that welding, the edge of another dogleg section 21 is formed with the 3rd downward connection flange 22, welds to cling on the first buffering deformation component 1.In addition, also be formed with reinforced rib 18 on this second buffering deformed plate 2, in Figure 10, this reinforced rib 18 is extended on another dogleg section 21 by the dogleg section that constitutes the 3rd collision protection face 15.
The installation (the actual installation process is not limited to following order) of the proof equipment of this preferred form is below described, so that the annexation of this proof equipment to be described.
] as shown in Figure 7, be welded on the first buffering deformed plate 1 by first of bumper beam 1 being connected on the second collision protection face 14 that flange 19 clings to the first buffering deformed plate 1 and bumper beam 1, and then on the side relative that the 3rd of the second buffering deformed plate 2 is connected that flange 22 clings to the first buffering deformed plate 1 with second collision protection surface 14, and with second the buffering deformed plate 2 be welded to first the buffering deformed plate 1 on, under this preferred form, bumper beam 1 after the welding, the first buffering deformed plate 1 and the second buffering deformed plate 2 make three collision protection faces 13,14,15 be parallel to each other be arranged in order buffering energy-absorbing better effects if like this.Then, extremely shown in Figure 5 as Fig. 1, bumper beam after the welding 1, the first buffering deformed plate 1 and the second buffering deformed plate 2 are welded on vehicle frame and the floor frame 10, wherein the position, both sides of the second buffering deformed plate 2 is welded to left and right chassis side rail 6 respectively, left and right connecting panel 4 preferably, can be passed through in 7 end, 5 are connected to the end of left and right chassis side rail 6,7.The upper end of this second buffering deformed plate 2 is welded to the lower surface of floor frame 10, is formed with under the situation of flange 20 in the upper end of the second buffering deformed plate 2, and welding will be easier.In addition, the impact load ability to bear that will more help improving proof equipment owing to the lower surface that first upper end of cushioning deformed plate 1 is welded to floor frame 10, therefore preferably, the upper end of this first buffering deformed plate 1 also is welded to the lower surface of floor frame 10.More preferably, the middle part of the second buffering deformed plate 2 can also be welded on the middle longeron 8 of vehicle frame, should be connected on the crossbeam 9 of vehicle frame by middle longeron 8, this can further improve the intensity of the proof equipment of this preferred form, to improve the ability to bear of collision impact load.
Under above-mentioned coupled condition, as shown in Figure 6, between the first collision protection face 13 and the second collision protection face 14, form first deformation space 11, between the second collision protection face 14 and the 3rd collision protection face 15, be formed with second deformation space 12, displacement zone when these deformation spaces 11,12 provide bumper beam 1 that constitutes first collision protection face 13 and first collision deformed plate 2 stress deformations that constitute the second collision protection face 14.Simultaneously, at the rear of the second buffering deformed plate 2, owing to have the space that is out of shape for the second buffering deformed plate 2 between the chassis side rail 6,7, so this second buffering deformed plate 2 also has enough distortion displacement zones.
(wherein the mechanism of Miao Shuing only is a principle to describe the mechanism of auto against protective device when automobile bumps of this preferred form below with reference to Fig. 6, strained condition is dynamic in the actual collision process), to show the technique effect of this proof equipment.
When automobile bumped, collision impact load at first forms first collision protection face 13 impacted, thereby bumper beam 1 bears huge impact load by the intensity of self, and began to take place plastic deformation with buffering absorption impact kinetic energy.Collision impact load is delivered on the first buffering deformed plate 1 by bumper beam 1, especially bumper beam 1 reach deformation limit and when rupturing collision impact load more can act directly on the second collision protection face 14 of the first buffering deformed plate 1, this first buffering deformed plate 1 also begins elasticity takes place so that plastic deformation absorbs with the secondary decay that forms the collision impact load.Similarly, collision impact load also can be delivered on the second buffering deformed plate 3 by the first buffering deformed plate 2, especially the first buffering deformed plate 2 reach deformation limit and when rupturing collision impact load more can act directly on the 3rd collision protection face 15 of the second buffering deformed plate 3, this second buffering deformed plate 3 also begins elasticity takes place so that plastic deformation absorbs with three grades of decay that form the collision impact load.
This shows; in the proof equipment of this preferred form; when automobile bumps; what bear collision impact load is not only bumper beam 1; also have the first buffering deformed plate 2 and the second buffering deformed plate 3 simultaneously; therefore the ability to bear of collision impact load strengthens greatly; collision impact load will reduce greatly through the buffering decay of the three grade plastics distortion of bumper beam 1, the first buffering deformed plate 2 and the second buffering deformed plate 3 simultaneously; thereby can not cause badly damagedly to automobile, and protect the safety of car occupant and chaufeur effectively.
Automobile of the present utility model comprises above-mentioned auto against protective device, therefore has above-mentioned advantage equally.
Basic technical scheme of the present utility model is that bumper beam 1 is connected on vehicle frame and the floor frame 10 by the buffering deformed plate, wherein bumper beam 1 and described buffering deformed plate are connected to and have three collision protection faces that are arranged in order at least, and are formed with two collision deformation spaces between this collision protection face at least.Under the instruction of this basic technical scheme, can have the proof equipment of multiple concrete form, and not only be confined to the structure of the proof equipment of above-mentioned preferred form.For example, in the proof equipment of above-mentioned preferred form, the first buffering deformed plate 2 and the second buffering deformed plate 3 can be formed as one, thereby only adopt a buffering deformed plate with U type cross-sectional plane, by above-mentioned connection mode, can realize equally bumper beam 1 and described buffering deformed plate be connected to and have three collision protection faces that are arranged in order at least, and between this collision protection face, be formed with two collision deformation spaces at least.For another example, in the proof equipment of above-mentioned preferred form, the first buffering deformed plate 1 can form has rectangle and trapezium channel section, and bumper beam 1 can be a block plate, bumper beam 1 is connected to the notch side of the first buffering deformed plate 1, the another kind of specific constructive form that realizes the utility model proof equipment also can be provided.These simple alterations of form or annexation conversion all belong to protection domain of the present utility model.
In addition, as required, if estimate that collision impact load is bigger, then can according to circumstances form more a plurality of collision protection faces, and not limit to three collision protection faces with above-mentioned preferred form, for example, in the proof equipment of above-mentioned preferred form, if installing space permission can increase a buffering deformed plate is set, thereby can form four collision protection faces and form three deformation spaces between these four collision protection faces.This simple increase of being carried out under the enlightenment of the utility model basic technical scheme or minimizing belong to protection domain of the present utility model equally.
And sectional dimension, material and material that proof equipment of the present utility model can also change the buffering deformed plate as required are thick, to resist different impulsive forces, satisfy different performance requriementss.The width of bumper beam 1, height can change with length, the width of car load, and first, second buffering deformed plate is the convergent-divergent area as required, adapts to reach with complete vehicle structure.
Specific embodiment more of the present utility model have more than been described; under the situation that does not deviate from the design of the utility model basic fundamental; those skilled in the art can make various corresponding changes and distortion to described proof equipment; for example adopt riveted joint to carry out the connection between each parts and do not adopt welding etc., but these simple variant all belong to the protection domain of the utility model claims.
Claims (11)
1. auto against protective device, this auto against protective device comprises bumper beam (1), it is characterized in that, described bumper beam (1) is by buffering deformed plate (2,3) be connected on the vehicle frame, wherein said bumper beam (1) and described buffering deformed plate (2,3) connect into has the collision protection face (13 that at least three roads are arranged in order, 14,15) structure, and at this collision protection face (13,14,15) be formed with two collision deformation spaces (11,12) between at least.
2. auto against protective device according to claim 1 is characterized in that, described bumper beam (1) is also connected on the floor frame (10) by described buffering deformed plate (2,3).
3. auto against protective device according to claim 2, it is characterized in that, described buffering deformed plate (2,3) comprise the first buffering deformed plate (2) and the second buffering deformed plate (3), and the plate product of described bumper beam (1) for having channel shape cross-section, the described first buffering deformed plate (2) is for having the plate product of rectangular cross section, the described second buffering deformed plate (3) is for being bent with the plate product of predetermined angular, wherein said bumper beam (1), the first buffering deformed plate (2) and the second buffering deformed plate (3) connect successively, first collision protection face (13) on this bumper beam (1), the 3rd collision protection face (15) on the second collision protection face (14) on the first buffering deformed plate (2) and the second buffering deformed plate (3) is parallel to each other, and at this first collision protection face (13), be formed with the first collision deformation space (11) and the second collision deformation space (12) between the second collision protection face (14) and the 3rd collision protection face (15).
4. auto against protective device according to claim 3 is characterized in that, the upper end of the described first buffering deformed plate (2) and the second buffering deformed plate (3) is connected respectively to the lower surface of described floor frame (10).
5. auto against protective device according to claim 4 is characterized in that, the position, both sides of the described second buffering deformed plate (3) is connected respectively to the end of the chassis side rail (6,7) of described vehicle frame both sides.
6. auto against protective device according to claim 4 is characterized in that, the position, both sides of the described second buffering deformed plate (3) is connected to the end of the described chassis side rail (6,7) of both sides respectively by connecting panel (4,5).
7. auto against protective device according to claim 3 is characterized in that, is connected with middle longeron (8) between the crossbeam (9) of described second buffering deformed plate (3) and described vehicle frame.
8. according to each described auto against protective device in the claim 3 to 7, it is characterized in that, being formed with first of this first buffering deformed plate (2) that reclines with described first buffering deformed plate (2) the bonded assembly position and being connected flange (19) of described bumper beam (1), being formed with second of this first buffering deformed plate (2) that reclines with described first buffering deformed plate (2) the bonded assembly position and being connected flange (22) of the described second buffering deformed plate (3), and this second cushions being formed with the 3rd of this floor frame (10) lower surface that reclines with described floor frame (10) bonded assembly position and being connected flange (20) of deformed plate (3).
9. auto against protective device according to claim 8 is characterized in that, is connected by welding manner between each parts of this auto against protective device and between these parts and described vehicle frame and the floor frame (10).
10. auto against protective device according to claim 9 is characterized in that, is formed with reinforced rib (16,17,18) respectively on described bumper beam (1), the first buffering deformed plate (2) and the second buffering deformed plate (3).
11. an automobile is characterized in that, this automobile comprises each described auto against protective device in the claim 1 to 10, and this auto against protective device is installed in the position, front and/or rear of described automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202774711U CN201597537U (en) | 2009-11-27 | 2009-11-27 | Automobile collision protecting device and automobile comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202774711U CN201597537U (en) | 2009-11-27 | 2009-11-27 | Automobile collision protecting device and automobile comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201597537U true CN201597537U (en) | 2010-10-06 |
Family
ID=42808585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202774711U Expired - Fee Related CN201597537U (en) | 2009-11-27 | 2009-11-27 | Automobile collision protecting device and automobile comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201597537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106394707A (en) * | 2015-07-30 | 2017-02-15 | 保时捷股份公司 | Body part of a vehicle |
-
2009
- 2009-11-27 CN CN2009202774711U patent/CN201597537U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106394707A (en) * | 2015-07-30 | 2017-02-15 | 保时捷股份公司 | Body part of a vehicle |
| CN106394707B (en) * | 2015-07-30 | 2019-04-16 | 保时捷股份公司 | The car body component of vehicle |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101006 Termination date: 20171127 |