CN204055683U - A kind of vehicle Rear Underrun Protection Devices - Google Patents
A kind of vehicle Rear Underrun Protection Devices Download PDFInfo
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- CN204055683U CN204055683U CN201420439390.8U CN201420439390U CN204055683U CN 204055683 U CN204055683 U CN 204055683U CN 201420439390 U CN201420439390 U CN 201420439390U CN 204055683 U CN204055683 U CN 204055683U
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Abstract
The utility model relates to Vehicle protector equipment technical field, a kind of vehicle Rear Underrun Protection Devices is provided, it comprises the transom beam that is fixedly mounted on vehicle or/and at least two connection brackets on chassis side rail, connection bracket comprises close-type box structure and is arranged on the first installation portion and second installation portion at close-type box structure two ends, close-type box structure inside is provided with crusherbull zone compression space, close-type box structure is fixedly mounted on transom beam or/and on chassis side rail by the first installation portion, and the second installation portion is installed with rear lower protection crossbeam.When vehicle with after the collision happens that knocks into the back make, connection bracket is progressively destroyed in crusherbull zone compression space, the energy collided is consumed uniformly in whole impact process, collision is well cushioned, reduce the deceleration value that collision produces, the function strengthening buffer action, improve energy-obsorbing and damping, injury to car inner personnel when more efficiently alleviating rear-end impact, improves chances of survival.
Description
Technical field
The utility model belongs to Vehicle protector equipment technical field, particularly relates to a kind of vehicle Rear Underrun Protection Devices.
Background technology
The Rear Underrun Protection Devices of vehicle is the injury alleviating car inner personnel of knocking into the back in vehicle rear-end collision, a kind of protective device of the chances of survival of raising personnel, the Rear Underrun Protection Devices of existing commercial vehicle/comm..vehicle generally adopts connection bracket as protection fulcrum, wherein, the connection bracket adopted is the non-enclosed structure of veneer, this kind of structure is when car and commercial vehicle/comm..vehicle generation rear-end collision, only stop that car creeps into commercial vehicle/comm..vehicle bottom space, the huge energy produced during opposing initial collision, but because this kind of rigidity of structure is excessively strong, larger deceleration/decel can be produced, car inner personnel cannot be born.
Owing to not playing buffer action, also do not possess the function of energy-obsorbing and damping, the antagonistic force that collision produces is directly passed to car inner personnel and causes secondary injury even dead.
Utility model content
The purpose of this utility model is to provide a kind of vehicle Rear Underrun Protection Devices, the connection bracket being intended to solve the Rear Underrun Protection Devices that prior art provides can not play buffer action, also do not possess the function of energy-obsorbing and damping, the antagonistic force that collision produces is directly passed to the problem that car inner personnel cause secondary injury even dead.
The utility model realizes like this, a kind of vehicle Rear Underrun Protection Devices, described vehicle Rear Underrun Protection Devices comprises the transom beam that is fixedly mounted on vehicle or/and at least two connection brackets on chassis side rail, described connection bracket comprises close-type box structure and is arranged on the first installation portion and second installation portion at described close-type box structure two ends, described close-type box structure inside is provided with crusherbull zone compression space, described close-type box structure is fixedly mounted on described transom beam or/and on chassis side rail by described first installation portion, described second installation portion is installed with rear lower protection crossbeam.
As a kind of improved plan, described first installation portion is provided with the first attachment face and the second attachment face, and described first attachment face and the second attachment face are respectively equipped with some mounting holes.
As a kind of improved plan, described first attachment face is fixed on the perpendicular side of described chassis side rail by described mounting hole, and described second attachment face is fixed on the horizontal side of described chassis side rail by described mounting hole.
As a kind of improved plan, described first attachment face is fixed on the horizontal side of described chassis side rail by described mounting hole, and described second attachment face is fixed on the perpendicular side of described transom beam by described mounting hole.
As a kind of improved plan, described second installation portion is provided with U-type groove, and described rear lower protection crossbeam is fixed in described U-type groove by the mode of welding.
As a kind of improved plan, described second installation portion is provided with tubular annulus, the described rear lower protection crossbeam of suit in described tubular annulus.
As a kind of improved plan, described rear lower protection crossbeam is tubular structure, and the two ends of described rear lower protection crossbeam are provided with blanking cover.
Because vehicle Rear Underrun Protection Devices comprises at least two connection brackets, connection bracket comprises close-type box structure and the first installation portion and the second installation portion, crusherbull zone compression space is provided with in close-type box structure, close-type box structure is arranged on transom beam or/and chassis side rail by the first installation portion, described second installation portion is installed with rear lower protection crossbeam, when vehicle with after the collision happens that knocks into the back make, connection bracket is progressively destroyed in the crusherbull zone compression space of close-type box structure, the energy collided is consumed uniformly in whole impact process, collision is well cushioned, reduce the deceleration value that collision produces, strengthen buffer action, improve the function of energy-obsorbing and damping, injury to car inner personnel when more efficiently alleviating rear-end impact, improve chances of survival.
Because the first installation portion is provided with the first attachment face and the second attachment face, described first attachment face and the second attachment face are respectively equipped with some mounting holes, are convenient to connection bracket to be fixedly mounted on transom beam or/and on chassis side rail.
Due to the first attachment face is fixed on the perpendicular side of described chassis side rail by described mounting hole, second attachment face is fixed on the horizontal side of described chassis side rail by described mounting hole, the mode be bolted realizes connection bracket to fix, and improves the intensity of connection bracket.
Due to the first attachment face is fixed on the horizontal side of described chassis side rail by described mounting hole, second attachment face is fixed on the perpendicular side of described transom beam by described mounting hole, make the intensity of connection bracket by transom beam and chassis side rail shared, further improve the intensity of connection bracket.
Because the second installation portion is provided with U-type groove, described rear lower protection crossbeam is fixed in described U-type groove by the mode of welding, and structure is simple, be convenient to realize, and crashproof intensity is higher.
Because the second installation portion is provided with tubular annulus, in described tubular annulus, the described rear lower protection crossbeam of suit, realizes fixing rear lower protection crossbeam, improves crashproof intensity.
Accompanying drawing explanation
Fig. 1 is the structural representation of the vehicle Rear Underrun Protection Devices that the utility model provides;
Fig. 2 is the structural representation of the connection bracket that the utility model embodiment provides;
Wherein, 1-transom beam, 2-chassis side rail, 3-connection bracket, 31-close-type box structure, 32-first installation portion, 321-first attachment face, 322-second attachment face, 33-second installation portion, 34-crusherbull zone compression space, protects crossbeam under after 4-, 5-blanking cover.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 shows the structural representation of the vehicle Rear Underrun Protection Devices that the utility model provides, and for convenience of explanation, only gives the part relevant to the utility model in figure.
Consult Fig. 2 simultaneously, vehicle Rear Underrun Protection Devices comprises the transom beam 1 that is fixedly mounted on vehicle or/and at least two connection brackets 3 on chassis side rail 2, described connection bracket 3 comprises close-type box structure 31 and is arranged on first installation portion 32 and second installation portion 33 at described close-type box structure 31 two ends, described close-type box structure 31 inside is provided with crusherbull zone compression space 34, described close-type box structure 31 is fixedly mounted on described transom beam 1 or/and on chassis side rail 2 by described first installation portion 32, described second installation portion 33 is installed with rear lower protection crossbeam 4.
In the utility model, close-type box structure 31 can arrange 2, effect as illustrated in the drawing, be positioned at the left and right sides, can certainly arrange multiple, increase the impact strength of vehicle Rear Underrun Protection Devices, can select according to the aesthetic measure of the environment for use of reality and overall appearance, do not repeat them here, but not in order to limit the utility model;
Meanwhile, above-mentioned close-type box structure 31 can adopt the box body structure shown in figure, can certainly adopt the structure of other types, as long as can hold crusherbull zone compression space 34, possesses the effect of buffer shock-absorbing.
In the utility model, the first installation portion 32 and the second installation portion 33 can adopt following structure, but not in order to limit the utility model.
First installation portion 32 is provided with the first attachment face 321 and the second attachment face 322, described first attachment face 321 and the second attachment face 322 are respectively equipped with some mounting holes (unmarked in figure), and this mounting hole is corresponding with the mounting hole that chassis side rail or transom beam are arranged;
First attachment face 321 is fixed on the perpendicular side of described chassis side rail 2 by described mounting hole, or/and described second attachment face 322 is fixed on the horizontal side of described chassis side rail 2 by described mounting hole.
Can certainly in the following way, the first attachment face 321 is fixed on the horizontal side of described chassis side rail 2 by described mounting hole, and described second attachment face 322 is fixed on by described mounting hole on the perpendicular side of described transom beam 1, not shown this kind of effect.As long as close-type box structure can be fixed on cross member of frame or/and on longeron.
In the utility model, the second installation portion 33 is for installing rear lower protection crossbeam 4, and its mounting means also can adopt various ways, such as:
Second installation portion 33 is provided with U-type groove, and described rear lower protection crossbeam 4 is fixed in described U-type groove by the mode of welding.
Can certainly in the following way, described second installation portion 33 is provided with tubular annulus, the described rear lower protection crossbeam 4 of suit in described tubular annulus.
In the utility model, described rear lower protection crossbeam 4 is tubular structure, and the two ends of described rear lower protection crossbeam 4 are provided with blanking cover 5.
In the utility model, adopt the connection bracket of close-type box structure, in close-type box structure, increase crusherbull zone compression space, there is the function reducing deceleration value, strengthen buffer action, improve energy-obsorbing and damping, reduce the secondary injury to car inner personnel, improve chances of survival;
Meanwhile, by include the connection bracket of close-type box structure effectively, controlledly collision deformation, stop that the car that knocks into the back pierces commercial vehicle/comm..vehicle bottom space, also reduce the secondary injury to car inner personnel, improve chances of survival.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a vehicle Rear Underrun Protection Devices, it is characterized in that, described vehicle Rear Underrun Protection Devices comprises the transom beam (1) that is fixedly mounted on vehicle or/and at least two connection brackets (3) on chassis side rail (2), described connection bracket (3) comprises close-type box structure (31) and is arranged on the first installation portion (32) and second installation portion (33) at described close-type box structure (31) two ends, described close-type box structure (31) inside is provided with crusherbull zone compression space (34), described close-type box structure (31) is fixedly mounted on described transom beam (1) or/and on chassis side rail (2) by described first installation portion (32), described second installation portion (33) is installed with rear lower protection crossbeam (4).
2. vehicle Rear Underrun Protection Devices according to claim 1, it is characterized in that, described first installation portion (32) is provided with the first attachment face (321) and the second attachment face (322), and described first attachment face (321) and the second attachment face (322) are respectively equipped with some mounting holes.
3. vehicle Rear Underrun Protection Devices according to claim 2, it is characterized in that, described first attachment face (321) is fixed on by described mounting hole on the perpendicular side of described chassis side rail (2), and described second attachment face (322) is fixed on the horizontal side of described chassis side rail (2) by described mounting hole.
4. vehicle Rear Underrun Protection Devices according to claim 2, it is characterized in that, described first attachment face (321) is fixed on by described mounting hole on the horizontal side of described chassis side rail (2), and described second attachment face (322) is fixed on the perpendicular side of described transom beam (1) by described mounting hole.
5. vehicle Rear Underrun Protection Devices according to claim 2, is characterized in that, described second installation portion (33) is provided with U-type groove, and described rear lower protection crossbeam (4) is fixed in described U-type groove by the mode of welding.
6. vehicle Rear Underrun Protection Devices according to claim 2, is characterized in that, described second installation portion (33) is provided with tubular annulus, the described rear lower protection crossbeam (4) of suit in described tubular annulus.
7. the vehicle Rear Underrun Protection Devices according to any one of claim 1 to 6, is characterized in that, described rear lower protection crossbeam (4) is tubular structure, and the two ends of described rear lower protection crossbeam (4) are provided with blanking cover (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420439390.8U CN204055683U (en) | 2014-08-06 | 2014-08-06 | A kind of vehicle Rear Underrun Protection Devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420439390.8U CN204055683U (en) | 2014-08-06 | 2014-08-06 | A kind of vehicle Rear Underrun Protection Devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204055683U true CN204055683U (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420439390.8U Active CN204055683U (en) | 2014-08-06 | 2014-08-06 | A kind of vehicle Rear Underrun Protection Devices |
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| CN (1) | CN204055683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108454550A (en) * | 2016-12-23 | 2018-08-28 | 曼卡车和巴士股份公司 | Rear portion underrun protection for delivery vehicle |
-
2014
- 2014-08-06 CN CN201420439390.8U patent/CN204055683U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108454550A (en) * | 2016-12-23 | 2018-08-28 | 曼卡车和巴士股份公司 | Rear portion underrun protection for delivery vehicle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |