CN109927797B - Electric vehicle wheel cover reinforcing plate for improving side collision safety performance - Google Patents
Electric vehicle wheel cover reinforcing plate for improving side collision safety performance Download PDFInfo
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- CN109927797B CN109927797B CN201910203693.7A CN201910203693A CN109927797B CN 109927797 B CN109927797 B CN 109927797B CN 201910203693 A CN201910203693 A CN 201910203693A CN 109927797 B CN109927797 B CN 109927797B
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Abstract
The invention relates to the field of automobile manufacturing, in particular to an electric vehicle wheel cover reinforcing plate for improving the side collision safety performance. The electric vehicle wheel cover reinforcing plate comprises a reinforcing plate body arranged on a vehicle body, wherein the reinforcing plate body comprises a reinforcing plate upper section, the cross section of the reinforcing plate upper section is in a shape of a Chinese character 'ji', a reinforcing plate lower section is arranged at the bottom of the reinforcing plate upper section, an inner plate front section is arranged on one side, close to the vehicle body, of the reinforcing plate upper section, an inner plate upper section is arranged at the top end of the inner plate front section, and a first threshold supporting plate and a second threshold supporting plate which are used for being connected with the vehicle body are arranged on the reinforcing plate lower section. The invention is mainly used for two-door and two-seat vehicles, so that the efficiency and the stability of absorbing energy in the side collision process are better, a relatively reasonable intrusion amount and intrusion speed can be obtained, and passengers can be better protected and hurt can be reduced.
Description
Technical Field
The invention relates to the field of automobile manufacturing, in particular to an electric vehicle wheel cover reinforcing plate for improving the side collision safety performance.
Background
Automobile collisions are generally classified into frontal collisions, side collisions, rear collisions, and also cases of rolling over and pedestrian collisions. In traffic accidents, the proportion of collisions in different forms and the personnel mortality are different, side collision accidents account for 28% of the total number, but because the side collisions have almost no buffer space, the protection of passengers in the accidents is more difficult, so the personnel mortality is higher (accounting for 34% of the total number of the accidents and deaths), the injury of the passengers in the side collisions comes from two aspects, the impact speed of side structures to the people and the living space caused by the intrusion of the side structures are reduced, in the development and research of actual vehicle types, a reasonable and complete load path is designed, and a relatively reasonable intrusion amount and intrusion speed are obtained.
The wheel cover reinforcing plates of most vehicle types on the market at present are generally L-shaped wheel cover reinforcing plates, and have the advantages of high manufacturability, high economy and low impact resistance, wherein the two-door two-seat vehicle type side impact barriers mainly act on the wheel cover reinforcing plate area, the wheel cover reinforcing plates are main stress parts, the impact resistance of the L-shaped wheel cover reinforcing plate structure seems to catch an elbow, and the cross section of the L-shaped wheel cover reinforcing plate structure is in a parallelogram shape in a cavity formed by the L-shaped wheel cover reinforcing plate structure; on the other hand, the wheel cover belongs to panel parts and non-framework parts, and each vehicle enterprise generally selects mild steel in consideration of weight reduction and cost reduction, and has the defects of thick and thin material, poor impact resistance and overlarge intrusion amount and intrusion speed.
Disclosure of Invention
The invention mainly aims at the problems and provides the electric wheel cover reinforcing plate which is mainly used for two-door and two-seat vehicles, has better energy absorption efficiency and stability in the side collision process, can obtain relatively reasonable invasion amount and speed, better protects passengers, reduces the injury of the passengers and improves the side collision safety performance.
The purpose of the invention is mainly realized by the following scheme: the electric vehicle wheel cover reinforcing plate comprises a reinforcing plate body arranged on a vehicle body, wherein the reinforcing plate body comprises a reinforcing plate upper section, the cross section of the reinforcing plate upper section is in a shape of a Chinese character 'ji', a reinforcing plate lower section is arranged at the bottom of the reinforcing plate upper section, an inner plate front section is arranged on one side, close to the vehicle body, of the reinforcing plate upper section, an inner plate upper section is arranged at the top end of the inner plate front section, and a first threshold supporting plate and a second threshold supporting plate which are used for being connected with the vehicle body are arranged on the reinforcing plate lower section. This body of reinforcing plate includes the reinforcing plate upper segment, the transversal several style of calligraphy of personally submitting of reinforcing plate upper segment, the bottom of reinforcing plate upper segment is provided with the reinforcing plate hypomere, one side that is close to the automobile body of reinforcing plate upper segment is provided with the inner panel anterior segment, the top of inner panel anterior segment is provided with the inner panel upper segment, be provided with on the reinforcing plate hypomere and be used for first threshold fagging and second threshold fagging with the automobile body coupling, make the automobile body side when receiving the collision, this structural design's stability is higher, anti-collision nature promotes more obviously.
Preferably, the thickness of the upper section of the reinforcing plate is 1.0 mm. The thickness of the upper section of the reinforcing plate is reduced from 1.2mm to 1.0mm, so that the weight is reduced and the production cost is reduced.
Preferably, the thickness of the lower section of the reinforcing plate is 0.8 mm. The lower section material thickness of the reinforcing plate is thinned to 0.8mm from the original 1.2mm, so that the weight is reduced and the production cost is reduced.
Preferably, the material of the upper section of the reinforcing plate is HC340/590DP, and the material of the lower section of the reinforcing plate is HC 260Y. The material of the upper section of the reinforcing plate is HC340/590DP, the material of the lower section of the reinforcing plate is HC260Y, the weight of the bicycle can be reduced by 1.05kg, the structural performance is improved, and meanwhile, the cost and the weight are reduced.
Preferably, inner panel anterior segment and reinforcing plate upper segment between be provided with buffer stop, buffer stop include the base, the base on evenly be provided with a plurality of bumping posts, the bumping post on keep away from the one end of base and be provided with the fluting clearance, the fluting clearance separate into a plurality of crashproof monomers with the bumping post. Be provided with buffer stop between inner panel anterior segment and the reinforcing plate upper segment, buffer stop includes the base, evenly be provided with a plurality of bumping posts on the base, the one end of keeping away from the base on the bumping post is provided with the fluting clearance, the fluting clearance is separated into a plurality of crashproof monomers with the bumping post, buffer stop's design makes the reinforcing plate when receiving the impact, the impact can be along on the reinforcing plate upper segment transmits the bumping post, thereby a plurality of crashproof monomers are separated into through the fluting clearance on the bumping post, thereby a plurality of crashproof monomer atress toward not equidirectional skew, thereby can play good effectual dispersion and the effect of buffering striking power, thereby effectively protect passenger's safety.
Preferably, the slotting gap is in a cross shape or a Chinese character 'mi' shape. The slotting gap is cross or rice style of calligraphy form, and the slotting gap of cross or rice style of calligraphy form can evenly separate into four or eight anticollision monomers with the anticollision post for the design of anticollision post can have more stable effectual buffering effect.
Preferably, the crash post is made of natural rubber. The anti-collision column is made of natural rubber, and the natural rubber has good elasticity, good tear resistance and electrical insulation and good wear resistance, so that the anti-collision column is not easy to be damaged by collision and has good buffer force.
Therefore, the electric vehicle wheel cover reinforcing plate for improving the side collision safety performance has the following advantages: the invention has simple structure, is mainly used for two-door and two-door vehicle types, has better efficiency and stability of absorbing energy in the process of side collision, can obtain relatively reasonable invasion amount and invasion speed, and has the function of well and effectively dispersing and buffering the impact force by the design of the anti-collision device, thereby effectively protecting the safety of passengers.
Drawings
FIG. 1 is a schematic view of a reinforcing plate body of the present invention mounted on a vehicle body.
Fig. 2 is a schematic view of an angle of the present invention.
Fig. 3 is a schematic view of another angle of the present invention.
Fig. 4 is an exploded view of an angle of the present invention.
Fig. 5 is an exploded view of another aspect of the present invention.
Fig. 6 is a front view of the bump guard of the present invention.
Fig. 7 is a side view of a bump guard of the present invention.
Fig. 8 is a schematic structural view of the anti-collision device of the invention after being subjected to impact force.
Fig. 9 is a cross-sectional view taken at a-a of fig. 1.
Illustration of the drawings: 1-reinforcing plate body, 2-inner plate upper section, 3-reinforcing plate upper section, 4-reinforcing plate lower section, 5-first threshold supporting plate, 6-second threshold supporting plate, 7-inner plate front section, 8-anti-collision device, 9-base, 10-slotted gap, 11-anti-collision monomer and 12-anti-collision column.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example 1:
as shown in fig. 1, 2, 3, 4 and 9, an electric vehicle wheel house reinforcing plate for improving side collision safety performance, including reinforcing plate body 1 installed on the vehicle body, reinforcing plate body 1 includes reinforcing plate upper segment 3, reinforcing plate upper segment 3's transversal several style of calligraphy of personally submitting, reinforcing plate upper segment 3's bottom is provided with reinforcing plate hypomere 4, one side of reinforcing plate upper segment 3 that is close to the vehicle body is provided with inner panel anterior segment 7, the top of inner panel anterior segment 7 is provided with inner panel upper segment 2, be provided with first threshold fagging 5 and second threshold fagging 6 that are used for being connected with the vehicle body on the reinforcing plate hypomere 4, make the vehicle body side when receiving the collision, this structural design's stability is higher, the crashworthiness promotion is more obvious, the arrow head direction in fig. 9 is the impact force direction.
The thickness of the upper section 3 of the reinforcing plate is 1.0mm, and the material thickness of the upper section 3 of the reinforcing plate is reduced from 1.2mm to 1.0mm, so that the weight is reduced and the production cost is reduced; the thickness of the lower section 4 of the reinforcing plate is 0.8mm, and the thickness of the material of the lower section 4 of the reinforcing plate is reduced to 0.8mm from the original 1.2mm, so that the weight is reduced and the production cost is reduced; the material of the upper section of the reinforcing plate is HC340/590DP, the material of the lower section of the reinforcing plate is HC260Y, the weight of the bicycle can be reduced by 1.05kg, the structural performance is improved, and meanwhile, the cost and the weight are reduced.
As shown in fig. 5, 6 and 7, an anti-collision device 8 is arranged between the front section 7 of the inner plate and the upper section 3 of the reinforcing plate, the anti-collision device 8 comprises a base 9, a plurality of anti-collision columns 12 are uniformly arranged on the base 9, one ends of the anti-collision columns 12, which are far away from the base 9, are provided with slotted gaps 10, and the slotted gaps 10 divide the anti-collision columns 12 into a plurality of anti-collision single bodies 11, as shown in fig. 8, the design of the anti-collision device 8 enables the impact force to be transmitted to the anti-collision columns 12 along the upper section 3 of the reinforcing plate when the reinforcing plate is subjected to the impact force, and as the anti-collision columns 12 are divided into the plurality of anti-collision single bodies 11 through the slotted gaps 10, the plurality of anti-collision single bodies 11 are stressed to deviate in; the slotted gap 10 is in a cross shape or a meter shape, and the cross-shaped or meter-shaped slotted gap 10 can uniformly divide the anti-collision column 12 into four or eight anti-collision single bodies 11, so that the design of the anti-collision column 12 can have a more stable and effective buffering effect; the post 12 is made of natural rubber, which has good elasticity, good tear resistance and electrical insulation, and good wear resistance, so that the post 12 is not easy to be damaged by collision and has good buffer force.
It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (5)
1. The electric vehicle wheel cover reinforcing plate is characterized by comprising a reinforcing plate body arranged on a vehicle body, wherein the reinforcing plate body comprises a reinforcing plate upper section, the cross section of the reinforcing plate upper section is in a shape of a Chinese character 'ji', a reinforcing plate lower section is arranged at the bottom of the reinforcing plate upper section, an inner plate front section is arranged on one side, close to the vehicle body, of the reinforcing plate upper section, an inner plate upper section is arranged at the top end of the inner plate front section, and a first threshold supporting plate and a second threshold supporting plate which are used for being connected with the vehicle body are arranged on the reinforcing plate lower section; an anti-collision device is arranged between the front section of the inner plate and the upper section of the reinforcing plate, the anti-collision device comprises a base, a plurality of anti-collision columns are uniformly arranged on the base, a slotted gap is formed in one end, far away from the base, of each anti-collision column, and the slotted gap divides each anti-collision column into a plurality of anti-collision single bodies; the slotting gap is in a cross shape or a shape like a Chinese character 'mi'.
2. An electric vehicle wheel house reinforcing plate for improving side impact safety performance according to claim 1, wherein the thickness of the upper section of the reinforcing plate is 1.0 mm.
3. An electric vehicle wheel house reinforcing plate for improving side impact safety performance according to claim 1, wherein the thickness of the lower section of the reinforcing plate is 0.8 mm.
4. An electric vehicle wheel house reinforcing plate for improving side impact safety performance according to claim 1, 2 or 3, characterized in that the material of the upper section of the reinforcing plate is HC340/590DP, and the material of the lower section of the reinforcing plate is HC 260Y.
5. An electric vehicle wheel house reinforcing plate for improving side impact safety according to claim 1, wherein the crash post is made of natural rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910203693.7A CN109927797B (en) | 2019-03-18 | 2019-03-18 | Electric vehicle wheel cover reinforcing plate for improving side collision safety performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910203693.7A CN109927797B (en) | 2019-03-18 | 2019-03-18 | Electric vehicle wheel cover reinforcing plate for improving side collision safety performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109927797A CN109927797A (en) | 2019-06-25 |
| CN109927797B true CN109927797B (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910203693.7A Active CN109927797B (en) | 2019-03-18 | 2019-03-18 | Electric vehicle wheel cover reinforcing plate for improving side collision safety performance |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202966441U (en) * | 2012-10-31 | 2013-06-05 | 浙江吉利汽车研究院有限公司杭州分公司 | Center post inner plate structure of automobile |
| US8864216B2 (en) * | 2013-01-18 | 2014-10-21 | Sabic Global Technologies B.V. | Reinforced body in white and method of making and using the same |
| CN104802863B (en) * | 2014-01-27 | 2018-09-14 | 北汽福田汽车股份有限公司 | Vehicle body and vehicle with the vehicle body |
| CN204978885U (en) * | 2015-09-02 | 2016-01-20 | 北京汽车股份有限公司 | Automobile threshold roof beam assembly and car |
| CN108516015B (en) * | 2018-04-24 | 2023-10-13 | 雷丁汽车集团有限公司 | C column inner plate assembly of low-speed electric automobile and welding process thereof |
| CN108674488B (en) * | 2018-06-01 | 2020-03-17 | 上汽通用五菱汽车股份有限公司 | Automobile rear side wall reinforcing structure and automobile |
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Address after: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Zero run Technology Co.,Ltd. Address before: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG LEAPMOTOR TECHNOLOGY Co.,Ltd. |