CN202783408U - Back part structure of car body - Google Patents
Back part structure of car body Download PDFInfo
- Publication number
- CN202783408U CN202783408U CN 201220230027 CN201220230027U CN202783408U CN 202783408 U CN202783408 U CN 202783408U CN 201220230027 CN201220230027 CN 201220230027 CN 201220230027 U CN201220230027 U CN 201220230027U CN 202783408 U CN202783408 U CN 202783408U
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- China
- Prior art keywords
- brace panel
- car body
- wheel cover
- part structure
- back part
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 241000276425 Xiphophorus maculatus Species 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005728 strengthening Methods 0.000 abstract 3
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Body Structure For Vehicles (AREA)
Abstract
The utility model discloses a back part structure of a car body. The back part structure of the car body comprises car body side plates which are arranged symmetrically, back wheel covers, back longitudinal beams, and strengthening plates, wherein the car body side plates are connected with the back wheel covers, the back wheel covers are connected with the back longitudinal beams, a back transverse beam is arranged between the two longitudinal beams, a coating frame is arranged between the two car body side plates, and the strengthening plates are respectively connected with the car body side plates and the back wheel covers. The strengthening plates are connected with the car body side plates and the back wheel covers to form a cavity body structure, and section modulus of the section can be increased by the cavity body structure and torsional rigidity of the back part of the car body is enhanced, and an effect of improving car body rigidity and modality is achieved. The back part of the car is in a cage-type structure formed by the coating frame and the back transverse beam, and rear-end collision load of the back part of the car can be decomposed and transferred to the whole back part structure, collision energy can be absorbed well, and collision safety is improved. Due to the cavity body structure and the cage-type structure, the weight of the back part structure of the car body is relatively light.
Description
Technical field
The utility model relates to the auto Body Technology field, especially relates to a kind of rear part structure of automobile body.
Background technology
Along with the fast development of automotive technology, automobile is towards safe, comfortableization, lightweight, information-based in the future development of one.Wherein, the safe of automobile, comfortableization, lightweight and vehicle body rear part structure have very large relation.
Automobile rear will load Fuel Tank, and what have also will load battery, hybrid fuel gaholder, improves body tail rigidity, guarantees the safety of automobile when rear-end impact; For improving the traveling comfort of passenger riding, also need improve the mode of body tail; When improving body tail rigidity and mode; guarantee that body tail can be out of shape the absorption collision energy preferably when collision; protection driver and crew's life security will guarantee that also body tail has than light weight, can not affect dynamic property and the economy of automobile.
At present the package rack construction of the rear structure of vehicle body of disclosed rear part structure of automobile body such as Chinese patent CN200810088004.4 rear part structure of automobile body, CN200810134145.5 vehicle, CN200810086642.2 body tail does not all have fine that safe, comfortableization, lightweight is integrated, in the situation of not gaining in weight, rigidity, the mode of body tail are improved, can when collision, can well be out of shape the absorption collision energy again.
The utility model content
Technical problem to be solved in the utility model provides a kind of rear part structure of automobile body, to reach in the situation of not gaining in weight, when improving body tail rigidity, mode, can well be out of shape the purpose that absorbs collision energy when collision again.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of rear part structure of automobile body, comprise symmetrically arranged body side, rear wheel cover, floor side member, brace panel, body side is connected with rear wheel cover, rear wheel cover is connected with floor side member, be provided with after cross member between two floor side members, be provided with package shelf between two body sides, described brace panel is connected with body side, rear wheel cover respectively.
Described brace panel comprises brace panel epimere and brace panel hypomere, is connected in the opening of the end embedding brace panel hypomere of brace panel epimere.
Described brace panel epimere is located between package shelf and the rear wheel cover, the brace panel epimere is connected with body side, package shelf, rear wheel cover respectively, described brace panel hypomere is located between rear wheel cover and the floor side member, and the brace panel hypomere is connected with rear wheel cover, floor side member respectively.
Described brace panel hypomere also is connected with after cross member.
Described package shelf is the platy structure that is provided with projection and pit.
Also be provided with lightening hole on the described package shelf.
The utility model compared with prior art, have the following advantages: make it form cavity type structure by brace panel connection body side and rear wheel cover, cavity type structure can increase the section modulus in cross section, improves the torsional stiffness of body tail, plays the effect that improves body stiffness and mode; Make body tail form cagelike structure by package shelf and after cross member, the rear-end impact load decomposition at rear portion can be delivered to whole rear structure, good absorption collision energy improves crash survivability, cavity type structure and cagelike structure, and weight is lighter.
Description of drawings
The below makes brief description to the expressed content of each width of cloth accompanying drawing of this specification sheets and the mark among the figure:
Fig. 1 is the utility model vehicle body rear part structure organigram.
Fig. 2 is the utility model vehicle body rear part structure local structure scheme drawing.
Fig. 3 is the cutaway view along A-A among Fig. 2.
Fig. 4 is the cutaway view along B-B among Fig. 2.
Fig. 5 is that the utility model after cross member is connected organigram with floor side member.
Among the figure: 1. package shelf, 2. vehicle body left side board, 3. vehicle body right side board, 4. left brace panel epimere, 5. right brace panel epimere, 6. left back wheel cover, 7. right back wheel cover, 8. left brace panel hypomere, 9. right brace panel hypomere, 10. left rear longitudinal beam, 11. right back longerons, 12. after cross members.
The specific embodiment
The below contrasts accompanying drawing, by the description to embodiment, the specific embodiment of the present utility model is described in further detail.
Extremely shown in Figure 5 such as Fig. 1, a kind of rear part structure of automobile body, comprise symmetrically arranged body side, rear wheel cover, floor side member, brace panel, namely comprise vehicle body left side board 2, vehicle body right side board 3, left back wheel cover 6, right back wheel cover 7, left rear longitudinal beam 10, right back longeron 11.Wherein, brace panel comprises brace panel epimere and brace panel hypomere, be divided into left brace panel epimere 4, left brace panel hypomere 8, right brace panel epimere 5, right brace panel hypomere 9, be connected in the opening of the end embedding brace panel hypomere of brace panel epimere, be convenient to the orientation assemble welding operation.
Body side is connected with rear wheel cover, rear wheel cover is connected with floor side member, between left rear longitudinal beam 10 and right back longeron 11, be provided with after cross member 12, between vehicle body left side board 2 and vehicle body right side board 3, be provided with package shelf 1, make body tail form cagelike structure, the rear-end impact load decomposition at rear portion can be delivered to whole rear structure, good absorption collision energy, improve crash survivability, cagelike structure weight is lighter.Brace panel is connected with body side, rear wheel cover respectively, make the brace panel enclosed cross by body side and rear wheel cover, form cavity type structure, this cavity type structure can increase the section modulus in cross section, improve the torsional stiffness of body tail, play the effect that improves body stiffness and mode, cavity type structural weight is lighter.
The rear part structure of automobile body arranged on left and right sides is symmetrical, and arranged on left and right sides structure is the same, below only body tail right side preferred structure is described.
Right brace panel epimere 5 is located between package shelf 1 and the right back wheel cover 7, and right brace panel epimere 5 is connected with vehicle body right side board 3, package shelf 1, right back wheel cover 7 respectively, and package shelf 1, vehicle body right side board 3, right back wheel cover 7 are linked together, and improves the rigidity of structure.
After cross member 12 horizontal ends are connected with right back longeron 11, be specially, the lower aerofoil of after cross member 12 1 ends is connected flange and is connected with the flank face of right back longeron 11 with flank face, the flange that the top airfoil flange of after cross member 12 1 ends is provided with welded nut and right brace panel hypomere 9 is bolted.
Right brace panel hypomere 9 is located between right back wheel cover 7 and the right back longeron 11, and right brace panel hypomere 9 is connected with the flange of right back wheel cover 7, right back longeron 11 respectively.Be specially, right brace panel hypomere 9 horizontal seats are on the flange of right back longeron 11, the flange of right brace panel hypomere 9 openings is connected with right back wheel cover 7, right back wheel cover 7 is connected with right back longeron 11 1 flank faces again, right brace panel hypomere and right back longeron and after cross member three are bolted together, have improved Joint strenght and strength of joint.
Preferably, package shelf 1 also is provided with lightening hole for being provided with the platy structure of projection and pit on the package shelf, and the package shelf good rigidity of convex-concave structure is lightweight.
The above has carried out exemplary description to the utility model by reference to the accompanying drawings; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that design of the present utility model and technical scheme carry out; or without improving design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (6)
1. rear part structure of automobile body, comprise symmetrically arranged body side, rear wheel cover, floor side member, brace panel, body side is connected with rear wheel cover, rear wheel cover is connected with floor side member, between two floor side members, be provided with after cross member (12), it is characterized in that: be provided with package shelf (1) between two body sides, described brace panel is connected with body side, rear wheel cover respectively.
2. rear part structure of automobile body as claimed in claim 1, it is characterized in that: described brace panel comprises brace panel epimere and brace panel hypomere, the end of brace panel epimere embeds in the opening of brace panel hypomere and is connected.
3. rear part structure of automobile body as claimed in claim 2, it is characterized in that: described brace panel epimere is located between package shelf (1) and the rear wheel cover, the brace panel epimere is connected with body side, package shelf (1), rear wheel cover respectively, described brace panel hypomere is located between rear wheel cover and the floor side member, and the brace panel hypomere is connected with rear wheel cover, floor side member respectively.
4. rear part structure of automobile body as claimed in claim 3, it is characterized in that: described brace panel hypomere also is connected with after cross member (12).
5. such as each described rear part structure of automobile body of claim 1 to 4, it is characterized in that: described package shelf (1) is for being provided with the platy structure of projection and pit.
6. rear part structure of automobile body as claimed in claim 5, it is characterized in that: described package shelf also is provided with lightening hole on (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220230027 CN202783408U (en) | 2012-05-22 | 2012-05-22 | Back part structure of car body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220230027 CN202783408U (en) | 2012-05-22 | 2012-05-22 | Back part structure of car body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202783408U true CN202783408U (en) | 2013-03-13 |
Family
ID=47810725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220230027 Expired - Fee Related CN202783408U (en) | 2012-05-22 | 2012-05-22 | Back part structure of car body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202783408U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627762A (en) * | 2015-11-02 | 2017-05-10 | 本田技研工业株式会社 | Vehicle body front structure |
| CN107187503A (en) * | 2016-01-21 | 2017-09-22 | 通用汽车环球科技运作有限责任公司 | Motor vehicle tail |
| CN107264638A (en) * | 2017-06-27 | 2017-10-20 | 奇瑞汽车股份有限公司 | The main frame and automobile of a kind of boot |
-
2012
- 2012-05-22 CN CN 201220230027 patent/CN202783408U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627762A (en) * | 2015-11-02 | 2017-05-10 | 本田技研工业株式会社 | Vehicle body front structure |
| CN106627762B (en) * | 2015-11-02 | 2019-03-29 | 本田技研工业株式会社 | Car body fore part arrangement |
| CN107187503A (en) * | 2016-01-21 | 2017-09-22 | 通用汽车环球科技运作有限责任公司 | Motor vehicle tail |
| CN107264638A (en) * | 2017-06-27 | 2017-10-20 | 奇瑞汽车股份有限公司 | The main frame and automobile of a kind of boot |
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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 |
Granted publication date: 20130313 Termination date: 20150522 |
|
| EXPY | Termination of patent right or utility model |