CN203020243U - Automobile rear energy absorption device - Google Patents
Automobile rear energy absorption device Download PDFInfo
- Publication number
- CN203020243U CN203020243U CN 201320016439 CN201320016439U CN203020243U CN 203020243 U CN203020243 U CN 203020243U CN 201320016439 CN201320016439 CN 201320016439 CN 201320016439 U CN201320016439 U CN 201320016439U CN 203020243 U CN203020243 U CN 203020243U
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- Prior art keywords
- absorbent block
- energy
- energy absorbent
- energy absorption
- automobile rear
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Abstract
The utility model discloses an automobile rear energy absorption device used for solving the problems of maintenance difficulty and high cost of rear energy absorption devices in the prior art. The energy absorption device has a split structure and is transversely installed on the automobile rear along the automobile body, and the energy absorption device comprises a first energy absorption block, a second energy absorption block and a third energy absorption block; and the first energy absorption block and the second energy absorption block are installed at corresponding positions on the automobile rear and a back automobile body stringer, and the third energy absorption block is located between the first energy absorption block and the second energy absorption block. During the maintenance process, the automobile rear energy absorption device is easy to install and detach, and a single energy absorption block can be changed, so that the automobile rear energy absorption device is economical and practical.
Description
Technical field
The utility model relates to a kind of energy absorption device that can be widely used in the automobile design field, particularly relates to a kind of automobile rear energy absorption device.
Background technology
In recent years, along with the fast development of auto-industry, arteries of communication pressure increases, and unexpected rear-end collision takes place frequently, and the automobile rear energy absorption device becomes extremely damageable part.The rear portion energy absorption device of present automobile is by to the two ends of crash bar, energy absorber being set at integrated transverse mostly, and is connected to that automobile rear realizes.Divide from material and mainly contain plastics, aluminum, iron.
Fig. 1 is common aluminum rear portion energy-absorption bracket, and its Grard Assy body 11 is bolted on the first energy absorbent block nutplate 12; The second energy absorbent block nutplate 13 is bolted the rear end at the body tail longeron; Small rack 15 is bolted the side at the body tail longeron; When vehicle generation rear impact, by the distortion of Grard Assy body 11 and energy absorber main body 14, absorb collision energy.
Fig. 2 is common iron rear portion energy-absorption bracket, and Grard Assy 21 and nutplate 23 all link together by mode and the energy absorbent block 22 of welding; Nutplate 23 is bolted the rear portion of chassis runner; Energy absorbent block 22 forms an integral body by two independent structures by the mode of welding usually.When vehicle generation rear impact, by the distortion of Grard Assy 21 and energy absorbent block 22, absorb collision energy.
Fig. 3 is common plastic posterior energy-absorption bracket, and Grard Assy comprises the upper and lower crash bar body 31,32 that combines, and wherein descends crash bar body 32 also to be provided with for the lower bracket 33 that connects automobile rear.As shown in Figure 4, an end of energy absorber body 34 connects Grard Assy, other end coupling nut plate 35, and then be bolted on support 36, described support 36 is connected to the rear end of body tail longeron.
In general, above-mentioned energy absorption device more complicated, material usage is relatively large, and after collision, the car owner must pull down whole energy-absorbing bar and keep in repair or change when maintenance or replacing energy-absorbing bar, wastes time and energy, and cost is higher.
The utility model content
In view of this, the purpose of this utility model is, a kind of novel automobile rear energy absorption device is provided, under the prerequisite that satisfies the rear impact rules, and the existing maintenance difficult of solution prior art postmedian energy absorption device, the problem that cost is high.
For achieving the above object, the utility model is by the following technical solutions:
A kind of automobile rear energy absorption device, wherein, described energy absorption device is Split type structure, is arranged on automobile rear along cross-car, comprises the first energy absorbent block, the second energy absorbent block and the 3rd energy absorbent block; Described the first energy absorbent block and the second energy absorbent block are arranged on the automobile rear position corresponding with the vehicle body floor side member, and described the 3rd energy absorbent block is between the first energy absorbent block and the second energy absorbent block.
Preferably, described the 3rd energy absorbent block is arranged on place in the middle of first and second energy absorbent block, described the 3rd energy absorbent block along the length of cross-car be the first or second energy absorbent block length 3-6 doubly.
Preferably, described the 3rd energy absorbent block is in a plurality of energy absorbent block of separating between the first energy absorbent block and the second energy absorbent block, and the energy absorbent block of described a plurality of separation distributes along cross-car between the first energy absorbent block and the second energy absorbent block.
Preferably, the energy absorbent block of described a plurality of separation, the first energy absorbent block are identical with the second energy absorbent block structure.
Preferably, described first, second, and third energy absorbent block is the housing structure of boss shape, comprises top, sidewall and the bottom that energy absorbent block is installed to automobile rear, and described sidewall is wavy, and described energy absorbent block progressively increases from the top to the bottom size.
Preferably, described first, second, and third energy absorbent block is the housing structure of boss shape, comprises top, sidewall and the bottom that energy absorbent block is installed to automobile rear, and described sidewall is stepped, and described energy absorbent block progressively increases from the top to the bottom size.
Preferably, the energy absorbent block of described a plurality of separation is 2-4.
As seen from the above technical solution, the utility model has the advantage of and adopt along the horizontal split-type structural of vehicle body, under the prerequisite that satisfies the rear impact rules, integral type energy-absorbing bar is designed to independent energy absorbent block, in maintenance process, easily installation is quick detachable, can change for single energy absorbent block, and is economical and practical.In addition, energy absorbent block adopts step structure, when bumping, is easy to deform, and absorbs energy, and is difficult for transferring its energy to body shell, reaches the purpose in protection passenger space.
Description of drawings
Fig. 1 is traditional aluminum automobile rear energy absorption device;
Fig. 2 is traditional iron automobile rear energy absorption device;
Fig. 3 is traditional plastics automobile rear energy absorption device;
Fig. 4 is the schematic diagram of regional A in Fig. 3;
A kind of embodiment of the automobile rear energy absorption device that Fig. 5 provides for the utility model;
The another kind of embodiment of the automobile rear energy absorption device that Fig. 6 provides for the utility model;
Fig. 7 is the schematic diagram when in Fig. 6, the energy absorbent block structure is identical;
Fig. 8 is the section drawing of a kind of embodiment of energy absorbent block in Fig. 5-7;
Fig. 9 is the section drawing of the another kind of embodiment of energy absorbent block in Fig. 5-7.
The specific embodiment
Below with reference to accompanying drawing, the utility model is elaborated, but the utility model is not limited to this.
The automobile rear energy absorption device that the utility model provides adopts the Split type structure design, each in described Split type structure all is designed to independent energy absorbent block, these independent energy absorbent block are arranged on automobile rear along cross-car, when auto against, can be out of shape the absorption collision energy, owing to adopting the split design, therefore only have the energy absorbent block of corresponding position of collision to be out of shape, the energy absorbent block of other position remains intact.Those skilled in the art easily expect, are satisfying under the prerequisite of collision performance, and described energy absorbent block can be multiple structure of being out of shape the absorption collision energy when collision, such as bevel casing structure or boss shape housing structure etc.Described energy absorbent block can be by metal or non-metallic material preparation.When adopting metal material, the connection mode between described energy absorbent block and body structure can or be spirally connected for welding, preferably, adopts the connection mode that is spirally connected between described energy absorbent block and body structure, to be convenient for changing; When adopting non-metallic material, the connection mode between described energy absorbent block and body structure can be for bonding or be spirally connected.
As shown in Figure 5, according to a kind of embodiment of the present utility model, described energy absorption device comprises the first energy absorbent block 52, the second energy absorbent block 53 and the 3rd energy absorbent block 54.Described the first energy absorbent block 52 and the second energy absorbent block 53 are arranged on automobile rear 51 position corresponding with vehicle body floor side member (not shown); Described the 3rd energy absorbent block 54 is between the first energy absorbent block 52 and the second energy absorbent block 53, and its particular location (comprising height and length) can determine according to height and the length of collision barrier in the collision rules.In one embodiment; described the 3rd energy absorbent block 54 is arranged on the middle place of the first energy absorbent block 52 and the second energy absorbent block 53; described the 3rd energy absorbent block 54 along the length of cross-car can be the first energy absorbent block 52 or the second energy absorbent block 53 length 3-6 doubly, to strengthen the protection domain to automobile rear.Satisfying under the prerequisite of collision performance, described the first energy absorbent block and the second energy absorbent block 52,53 structures can be identical, also can be different.Preferably, described the first energy absorbent block is the identical energy absorbent block of structure with the second energy absorbent block 52,53.
As shown in Figure 6, according to a kind of embodiment of the present utility model, described energy absorption device comprises the first energy absorbent block 52, the second energy absorbent block 53 and the 3rd energy absorbent block 54, described the first energy absorbent block and the second energy absorbent block 52,53 are arranged on the position corresponding with the vehicle body floor side member, automobile rear both sides, described the 3rd energy absorbent block 54 is the energy absorbent block 55 of a plurality of separation between first and second energy absorbent block 52,53, such as 2-4.The particular location of the energy absorbent block 55 of described a plurality of separation (comprising height and length) can determine according to height and the length of collision barrier in the collision rules.In one embodiment, the energy absorbent block 55 of described a plurality of separation evenly distributes along cross-car between the first energy absorbent block and the second energy absorbent block 52,53, strengthens the protection domain to automobile rear.Satisfying under the prerequisite of collision performance, the structure of the energy absorbent block 55 of described a plurality of separation can be the same or different, and described the first energy absorbent block and the second energy absorbent block 52,53 structures can be the same or different.Preferably, energy absorbent block 55 structures of described a plurality of separation are identical, and described the first energy absorbent block 52 is identical with the second energy absorbent block 53 structures.As shown in Figure 7, further preferably, the energy absorbent block 55 of described a plurality of separation, the first energy absorbent block 52 are identical with the second energy absorbent block 53 structures.
As shown in Figure 8, according to an embodiment of the invention, described first, second, and third energy absorbent block 52,53,54 is the housing structure of boss shape, comprise top 56, sidewall 58 and the bottom 57 that energy absorbent block is installed to automobile rear, described sidewall 58 is wavy, and energy absorbent block progressively increases from the top to the bottom size.When bumping, be easy to deform, absorb energy, and be difficult for transferring its energy to body shell, reach the purpose in protection passenger space.
As shown in Figure 9, according to another implementation of the invention, described first, second, and third energy absorbent block 52,53,54 is the housing structure of boss shape, comprise top 61, sidewall 63 and the bottom 62 that energy absorbent block is installed to automobile rear, described sidewall 63 is stepped, and energy absorbent block progressively increases from the top to the bottom size.When bumping, be easy to deform, absorb energy, and be difficult for transferring its energy to body shell, reach the purpose in protection passenger space.
Above-described embodiment is only for illustration of the utility model; but not be to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the prerequisite that does not break away from spirit and scope of the present utility model; can also make a variety of changes and be out of shape; therefore all technical schemes that are equal to also should belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.
Claims (7)
1. an automobile rear energy absorption device, is characterized in that, described energy absorption device is Split type structure, is arranged on automobile rear along cross-car, comprises the first energy absorbent block, the second energy absorbent block and the 3rd energy absorbent block; Described the first energy absorbent block and the second energy absorbent block are arranged on the automobile rear position corresponding with the vehicle body floor side member, and described the 3rd energy absorbent block is between the first energy absorbent block and the second energy absorbent block.
2. automobile rear energy absorption device as claimed in claim 1, is characterized in that, described the 3rd energy absorbent block is arranged on place in the middle of first and second energy absorbent block, described the 3rd energy absorbent block along the length of cross-car be the first or second energy absorbent block length 3-6 doubly.
3. automobile rear energy absorption device as claimed in claim 1, it is characterized in that, described the 3rd energy absorbent block is in a plurality of energy absorbent block of separating between the first energy absorbent block and the second energy absorbent block, and the energy absorbent block of described a plurality of separation distributes along cross-car between the first energy absorbent block and the second energy absorbent block.
4. automobile rear energy absorption device as claimed in claim 3, is characterized in that, the energy absorbent block of described a plurality of separation, the first energy absorbent block are identical with the second energy absorbent block structure.
5. automobile rear energy absorption device as claimed in claim 2 or claim 3, it is characterized in that, described first, second, and third energy absorbent block is the housing structure of boss shape, comprise top, sidewall and the bottom that energy absorbent block is installed to automobile rear, described sidewall is wavy, and described energy absorbent block progressively increases from the top to the bottom size.
6. automobile rear energy absorption device as claimed in claim 2 or claim 3, it is characterized in that, described first, second, and third energy absorbent block is the housing structure of boss shape, comprise top, sidewall and the bottom that energy absorbent block is installed to automobile rear, described sidewall is stepped, and described energy absorbent block progressively increases from the top to the bottom size.
7. automobile rear energy absorption device as claimed in claim 3, is characterized in that, the energy absorbent block of described a plurality of separation is 2-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320016439 CN203020243U (en) | 2013-01-11 | 2013-01-11 | Automobile rear energy absorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320016439 CN203020243U (en) | 2013-01-11 | 2013-01-11 | Automobile rear energy absorption device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203020243U true CN203020243U (en) | 2013-06-26 |
Family
ID=48644246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320016439 Expired - Fee Related CN203020243U (en) | 2013-01-11 | 2013-01-11 | Automobile rear energy absorption device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203020243U (en) |
-
2013
- 2013-01-11 CN CN 201320016439 patent/CN203020243U/en not_active Expired - Fee Related
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Legal Events
| 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: 20130626 Termination date: 20210111 |