CN111959614A - Front wall support of crumple energy absorption box and instrument board beam - Google Patents
Front wall support of crumple energy absorption box and instrument board beam Download PDFInfo
- Publication number
- CN111959614A CN111959614A CN202010886096.1A CN202010886096A CN111959614A CN 111959614 A CN111959614 A CN 111959614A CN 202010886096 A CN202010886096 A CN 202010886096A CN 111959614 A CN111959614 A CN 111959614A
- Authority
- CN
- China
- Prior art keywords
- front wall
- energy absorption
- crumple energy
- box
- support
- Prior art date
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/14—Dashboards as superstructure sub-units
- B62D25/145—Dashboards as superstructure sub-units having a crossbeam incorporated therein
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a crumple energy absorption box which comprises an upper bending plate, a lower bending plate and a reinforcing plate, wherein the upper bending plate is provided with a first bending hole; one end of the reinforcing plate is connected with the upper bending plate, and the other end of the reinforcing plate is connected with the lower bending plate. The invention also discloses a front wall bracket of the instrument board beam, which comprises the crumple energy-absorbing box, wherein the crumple energy-absorbing box and the front wall fixing bracket are made of different materials; and the strength of the front wall fixing support is higher than that of the crumpling energy absorption box. The front wall fixing support can ensure that the crumple energy absorption box generates crumple energy absorption due to low strength when a vehicle collides in the forward direction, and the front wall fixing support cannot deform due to high strength, so that the crumple energy absorption effect of the front wall support is improved, and the support rigidity of the directional pipe column is improved.
Description
Technical Field
The invention belongs to the field of automobile anticollision, and particularly relates to a crumple energy absorption box and a front wall support of an instrument board beam.
Background
In order to guarantee driver's safety, steering wheel invades to the driver when reducing the vehicle head-on collision, encloses the support before the instrument board crossbeam and need design the collision scheme of collapsing, and the general steel crossbeam of present scheme encloses before the steel and increases the reduction structure on the fixed bolster. However, with the improvement of the safety performance requirement of the automobile collision and the increase of the weight of the automobile, the requirement of the crush space cannot be met only by weakening the steel bracket.
Patent publication No. CN206384041U entitled instrument panel beam assembly and automobile proposes that a front wall bracket is provided as a collision holding area and a collision deformation area, the entire front wall bracket is made of an aluminum alloy, the collision holding area is provided with a reinforcing plate, and the collision deformation area is provided with a deformation guide groove, so that when a vehicle collides, the collision deformation area bears the collapsing effect. When a vehicle is subjected to a large forward collision force, the front wall support still deforms, but the collision holding area also deforms together, namely, the front wall support and the collision holding area generate crumpling energy absorption together, a steering column connected with the front wall support also generates certain deformation and displacement, and the supporting requirement of the automobile on the steering column cannot be met. If the steering column is displaced relatively, the safety airbag on the steering wheel is changed in position, so that the safety of a driver cannot be effectively protected, and if the displacement is large, the safety of the driver can be threatened.
Disclosure of Invention
The invention aims to provide a crumple energy absorption box and a front wall bracket of an instrument board beam, wherein the crumple energy absorption box can improve the crumple energy absorption effect of an automobile; the front wall support of the instrument panel beam can improve the crumple energy absorption effect of the front wall support, can also improve the support rigidity of the tubular column, and meets the support requirement of an automobile on the directional tubular column.
The technical scheme adopted by the invention is as follows:
a crumple energy absorption box comprises an upper bending plate, a lower bending plate and a reinforcing plate; one end of the reinforcing plate is connected with the upper bending plate, and the other end of the reinforcing plate is connected with the lower bending plate.
According to the scheme, the upper bending plate and the lower bending plate are continuous V-shaped bending plates.
According to the scheme, the upper bending plate, the lower bending plate and the reinforcing plate form a diamond structure which is connected in sequence.
According to the scheme, the front end of the crumpling energy absorption box is provided with a rivet nut; the rivet nut is fastened on the front wall of the body in white through the X-direction bolt.
The invention also provides a front wall bracket structure of the instrument panel beam, which comprises the crumple energy absorption box; the crumple energy absorption box and the front wall fixing support are made of different materials, and the strength of the front wall fixing support is higher than that of the crumple energy absorption box.
According to the scheme, the front wall support structure of the instrument board beam comprises a beam main pipe straight pipe, a left side wall support and a right side wall support; the left side wall bracket and the right side wall bracket are respectively positioned at two sides of the straight pipe of the beam main pipe; a front wall fixing support, a vertical support, an air conditioner mounting support and a glove box mounting support are arranged on the straight pipe of the beam main pipe; the crumple energy absorption box is arranged on the front wall fixing support.
According to the scheme, the crumple energy absorption box is made of aluminum alloy; the front wall fixing bracket is made of steel.
According to the scheme, two sides of a front wall support structure of the instrument board beam are mounted on a white vehicle body through a left side wall support and a right side wall support; the middle part is fixed with the body-in-white through a vertical bracket.
According to the scheme, the rear end of the crumpling energy absorption box is connected with the front wall fixing support through the bolt.
The invention has the beneficial effects that:
the crumple energy absorption box and the front wall fixing support are made of different materials, and the strength of the front wall fixing support is higher than that of the crumple energy absorption box, so that the crumple energy absorption box is guaranteed to have a crumple energy absorption effect due to lower strength when a vehicle collides forwards, the front wall fixing support cannot deform due to high strength, and further the support rigidity of the directional pipe column is improved while the crumple energy absorption effect of the front wall fixing support is improved.
The crumple energy-absorbing box is made of aluminum alloy, the front wall fixing support is made of steel, the crumple energy-absorbing box can be realized when the vehicle collides positively, the crumple energy-absorbing box is low in strength, the crumple energy-absorbing effect is achieved, the front wall fixing support is not deformed due to high strength (the risk that the front wall fixing support is deformed due to crumple is reduced), the crumple energy-absorbing effect of the front wall fixing support is improved, the supporting rigidity of the direction tubular column is also improved, the stability of the instrument board beam and the direction tubular column when a collision accident occurs is also improved, and the NVH performance of the whole vehicle is further improved.
The special-structure crumple energy absorption box is adopted, so that good crumple energy absorption is realized, and the damage to the vehicle caused by forward collision is reduced.
By adopting the crumple energy absorption box with a special structure, the X-direction crumple energy absorption capacity is met, the Z-direction rigidity is improved, the risk of shaking of the vehicle during normal running is reduced, and the NVH performance of the whole vehicle is improved.
The invention fully utilizes the performance difference of different materials, improves the crumple energy absorption effect of the crumple energy absorption box, simultaneously improves the rigidity of the front wall fixing support, reduces the risk of crumple deformation during collision, and further improves the support rigidity of the directional pipe column.
The front wall fixing support and the crumpling energy absorption box form a front support, and the split design of the front support can improve the universality of the crumpling energy absorption box and is suitable for different vehicle types.
The crumple energy absorption box comprises a bending plate and a reinforcing plate, so that the X-direction crumple energy absorption effect of the crumple energy absorption box is guaranteed, the Z-direction stability of the crumple energy absorption box is improved, the stability of a direction pipe column and an instrument board beam is effectively improved, and the NVH performance of a steering wheel and a steering pipe column assembly is improved.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic structural view of a cowl brace structure of an instrument panel beam of the present invention;
FIG. 2 is a schematic view of a connection structure of the crumple energy absorption box and the front wall fixing bracket;
FIG. 3 is a schematic structural view of a crush box.
In the figure: 1. a beam main pipe straight pipe; 2. a left side wall bracket; 3. a front wall fixing bracket; 4. a collapsing energy-absorbing box; 41. a bending plate; 42. a reinforcing plate; 5. a vertical support; 6. an air conditioner mounting bracket; 7. a glove box mounting bracket; 8. a right side wall bracket; 9. a bolt; 10. and (6) riveting a nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 2-3, a crush box 4 includes an upper bent plate 41, a lower bent plate 43, and a plurality of reinforcing plates 42; the reinforcing plate 42 has one end connected to the upper bending plate 41 and the other end connected to the lower bending plate 42. In the preferred embodiment, the upper bending plate 41 and the lower bending plate 43 are continuous V-shaped bending plates, and the upper bending plate 41, the lower bending plate 43 and the reinforcing plate 42 form a diamond structure connected in sequence. The front end (the reinforcing plate 42 at the front end) of the collapse energy absorption box 4 is provided with a rivet nut 10; the blind rivet nut 10 is fastened to the front body shell by an X-direction bolt. The crumpling energy absorption effect of the crumpling energy absorption box 4 mainly occurs in the X direction, and in the Z direction, in order to guarantee the stability of the steering wheel during normal driving, the steering wheel is prevented from vibrating in the Z direction, a reinforcing plate 42 is arranged on the crumpling energy absorption box 4 along the Z direction, so that the crumpling energy absorption box 4 is improved to have certain rigidity in the Z direction, the stability of a direction pipe column is improved, and the NVH performance of the whole vehicle is improved.
Referring to fig. 1-3, the front wall support structure of the instrument panel beam comprising the crumple energy absorption box 4 comprises a beam main pipe straight pipe 1, a left side wall support 2, a right side wall support 8, a front wall fixing support 3, a vertical support 5, an air conditioner mounting support 6, a glove box mounting support 7 and the crumple energy absorption box 4. The left side wall bracket 2 and the right side wall bracket 8 are respectively positioned at two sides of the straight pipe 1 of the beam main pipe; the front wall fixing support 3, the vertical support 5, the air conditioner mounting support 6 and the glove box mounting support 7 are connected with the beam main pipe straight pipe 1; the crumple energy-absorbing box 4 is connected with the front wall fixing bracket 3 through a bolt 9. The crumple energy-absorbing box 4 and the front wall fixing support 3 form a front support, the front support and the front wall fixing support are made of different materials, and the strength of the front wall fixing support 3 is higher than that of the crumple energy-absorbing box 4. In the preferred embodiment, the crush boxes 4 are made of aluminum alloy; the cowl stay 3 is made of steel. In the running process of the vehicle, when the vehicle is collided in the forward direction, the deformation is mainly concentrated on the crumple energy absorption box 4 due to different materials and different strengths of the two materials. Therefore, by arranging the front wall and the rear wall to be made of different materials, the crumpling and energy absorption effect of the crumpling and energy absorption box 4 can be improved, and meanwhile, the stability of the front wall fixing bracket 3 can be improved; the structure can improve the crumple energy absorption effect of the front wall bracket and reduce the invasion amount of the steering wheel to the human body during forward collision; the rigidity of the front wall fixing support is improved, the support of the directional pipe column is improved, and the modal characteristic is improved. The front support is in a split type design, the universality of the crumpling energy absorption box can be improved, the front support can be used on different vehicle types, replacement is convenient, and the maintenance cost is reduced.
Two sides of a front wall bracket structure of the instrument board beam are arranged on a white vehicle body through a left side wall bracket and a right side wall bracket; the middle part is fixed with the body-in-white through a vertical bracket; the structure is stable and reliable.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (9)
1. The utility model provides a crumple energy-absorbing box which characterized in that: comprises an upper bending plate, a lower bending plate and a reinforcing plate; one end of the reinforcing plate is connected with the upper bending plate, and the other end of the reinforcing plate is connected with the lower bending plate.
2. The crush box of claim 1, wherein: the upper bending plate and the lower bending plate are continuous V-shaped bending plates.
3. The crush box of claim 1, wherein: the upper bending plate, the lower bending plate and the reinforcing plate form a diamond structure which is connected in sequence.
4. The crush box of any one of claims 1-3, wherein: the front end of the collapsing energy absorption box is provided with a rivet nut; the rivet nut is fastened on the front wall of the body in white through the X-direction bolt.
5. The utility model provides a preceding wall supporting structure of instrument board crossbeam which characterized in that: the cowl brace structure comprising the crush box of any of claims 1-4; the crumple energy absorption box and the front wall fixing support are made of different materials, and the strength of the front wall fixing support is higher than that of the crumple energy absorption box.
6. The cowl brace structure of a dash cross member according to claim 5, wherein: the device comprises a beam main pipe straight pipe, a left side wall bracket and a right side wall bracket; the left side wall bracket and the right side wall bracket are respectively positioned at two sides of the straight pipe of the beam main pipe; a front wall fixing support, a vertical support, an air conditioner mounting support and a glove box mounting support are arranged on the straight pipe of the beam main pipe; the crumple energy absorption box is arranged on the front wall fixing support.
7. The cowl brace structure of a dash cross member according to claim 6, wherein: the crumple energy absorption box is made of aluminum alloy; the front wall fixing bracket is made of steel.
8. The cowl brace structure of a dash cross member according to claim 6, wherein: two sides of the front wall bracket structure of the instrument board beam are arranged on a white vehicle body through a left side wall bracket and a right side wall bracket; the middle part is fixed with the body-in-white through a vertical bracket.
9. The cowl brace structure of a dash cross member according to claim 6, wherein: the rear end of the crumple energy absorption box is connected with the front wall fixing support through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010886096.1A CN111959614A (en) | 2020-08-28 | 2020-08-28 | Front wall support of crumple energy absorption box and instrument board beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010886096.1A CN111959614A (en) | 2020-08-28 | 2020-08-28 | Front wall support of crumple energy absorption box and instrument board beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111959614A true CN111959614A (en) | 2020-11-20 |
Family
ID=73400622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010886096.1A Pending CN111959614A (en) | 2020-08-28 | 2020-08-28 | Front wall support of crumple energy absorption box and instrument board beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111959614A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635977A (en) * | 2021-08-30 | 2021-11-12 | 恒大新能源汽车投资控股集团有限公司 | Connecting mechanism and instrument board beam assembly |
| CN115214794A (en) * | 2021-05-12 | 2022-10-21 | 广州汽车集团股份有限公司 | Header board beam assembly |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003212069A (en) * | 2002-01-25 | 2003-07-30 | Aisin Seiki Co Ltd | Bumper device for automobile |
| EP1510411A1 (en) * | 2003-08-29 | 2005-03-02 | Euromotive Gesellschaft m.b.H. & Co. KG | Bumper for a motor vehicle |
| DE102006018282A1 (en) * | 2006-04-20 | 2007-10-31 | Daimlerchrysler Ag | Energy absorbing deformation profile for motor vehicle, has carrying structure provided for receiving forces, and connected by bending element with hollow profile sections that are connected together along common deformation axis |
| CN201914323U (en) * | 2010-11-23 | 2011-08-03 | 贾伯芳 | High absorption function longitudinal beam structure of vehicle |
| CN206141482U (en) * | 2016-09-30 | 2017-05-03 | 杭州比亚迪汽车有限公司 | Anticollision roof beam and have vehicle of this anticollision roof beam |
| CN206384041U (en) * | 2016-11-28 | 2017-08-08 | 上海汽车集团股份有限公司 | Dashboard cross member assembly and automobile |
| CN207972674U (en) * | 2017-07-17 | 2018-10-16 | 上海汽车集团股份有限公司 | Fascia board girder |
| CN109113810A (en) * | 2018-08-09 | 2019-01-01 | 南京航空航天大学 | Engine with honeycomb type negative poisson's ratio structure contains ring and manufacturing method |
| CN209426867U (en) * | 2018-11-27 | 2019-09-24 | 重庆金康新能源汽车设计院有限公司 | A kind of dashboard cross member assembly and its vehicle |
| CN210191600U (en) * | 2019-04-18 | 2020-03-27 | 阿尔特汽车技术股份有限公司 | Lightweight motorcycle type anticollision roof beam energy-absorbing box connection structure |
| CN210634564U (en) * | 2019-08-19 | 2020-05-29 | 哈尔滨乾行达科技有限公司 | Multi-stage energy absorption device |
| CN210652995U (en) * | 2019-09-26 | 2020-06-02 | 扬州大学 | Energy absorption box for electric vehicle |
-
2020
- 2020-08-28 CN CN202010886096.1A patent/CN111959614A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003212069A (en) * | 2002-01-25 | 2003-07-30 | Aisin Seiki Co Ltd | Bumper device for automobile |
| EP1510411A1 (en) * | 2003-08-29 | 2005-03-02 | Euromotive Gesellschaft m.b.H. & Co. KG | Bumper for a motor vehicle |
| DE102006018282A1 (en) * | 2006-04-20 | 2007-10-31 | Daimlerchrysler Ag | Energy absorbing deformation profile for motor vehicle, has carrying structure provided for receiving forces, and connected by bending element with hollow profile sections that are connected together along common deformation axis |
| CN201914323U (en) * | 2010-11-23 | 2011-08-03 | 贾伯芳 | High absorption function longitudinal beam structure of vehicle |
| CN206141482U (en) * | 2016-09-30 | 2017-05-03 | 杭州比亚迪汽车有限公司 | Anticollision roof beam and have vehicle of this anticollision roof beam |
| CN206384041U (en) * | 2016-11-28 | 2017-08-08 | 上海汽车集团股份有限公司 | Dashboard cross member assembly and automobile |
| CN207972674U (en) * | 2017-07-17 | 2018-10-16 | 上海汽车集团股份有限公司 | Fascia board girder |
| CN109113810A (en) * | 2018-08-09 | 2019-01-01 | 南京航空航天大学 | Engine with honeycomb type negative poisson's ratio structure contains ring and manufacturing method |
| CN209426867U (en) * | 2018-11-27 | 2019-09-24 | 重庆金康新能源汽车设计院有限公司 | A kind of dashboard cross member assembly and its vehicle |
| CN210191600U (en) * | 2019-04-18 | 2020-03-27 | 阿尔特汽车技术股份有限公司 | Lightweight motorcycle type anticollision roof beam energy-absorbing box connection structure |
| CN210634564U (en) * | 2019-08-19 | 2020-05-29 | 哈尔滨乾行达科技有限公司 | Multi-stage energy absorption device |
| CN210652995U (en) * | 2019-09-26 | 2020-06-02 | 扬州大学 | Energy absorption box for electric vehicle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115214794A (en) * | 2021-05-12 | 2022-10-21 | 广州汽车集团股份有限公司 | Header board beam assembly |
| CN115214794B (en) * | 2021-05-12 | 2023-07-25 | 广州汽车集团股份有限公司 | Automobile instrument board beam assembly |
| CN113635977A (en) * | 2021-08-30 | 2021-11-12 | 恒大新能源汽车投资控股集团有限公司 | Connecting mechanism and instrument board beam assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102971203B (en) | For the suspension mounting structure of vehicle | |
| CN210000408U (en) | Front engine room assembly for electric automobile, automobile body assembly and electric automobile | |
| CN210555161U (en) | Aluminum alloy automobile instrument board beam assembly with square closed reinforcing structure | |
| CN111959614A (en) | Front wall support of crumple energy absorption box and instrument board beam | |
| CN101920685B (en) | Automobile front body structure | |
| CN110282017B (en) | Front cabin structure of vehicle body | |
| CN102390432A (en) | Automobile longitudinal beam inner plate assembly | |
| CN101228060A (en) | Front-end vehicle structure for a commercial vehicle | |
| CN113562077B (en) | Multi-level collision energy-absorbing steel front auxiliary frame structure | |
| CN206734403U (en) | A kind of fore sub frame back segment collision energy-absorbing structure of passenger car | |
| JP3045337B2 (en) | Car front structure | |
| KR20220021103A (en) | Front vehicle body structure | |
| CN113942577B (en) | Preceding sub vehicle frame assembly reaches car including it | |
| CN111746650B (en) | Front auxiliary frame of automobile and automobile | |
| CN210526649U (en) | Anti-collision energy-absorbing structure | |
| CN113844545A (en) | Automobile front end structure and vehicle | |
| CN210882325U (en) | Crumple energy-absorbing connecting device of front section of automobile longitudinal beam | |
| CN210912613U (en) | Front auxiliary frame with energy absorption function and automobile | |
| CN217598684U (en) | Front auxiliary frame and vehicle | |
| CN219706860U (en) | Head-up display system mounting structure and vehicle | |
| CN115257938B (en) | A post, door ring and vehicle | |
| CN217022661U (en) | Vehicle front collision energy-absorbing structure and vehicle | |
| CN218703111U (en) | Auxiliary energy absorption structure of frame | |
| CN210133185U (en) | Steering gear mounting structure | |
| CN216833950U (en) | Instrument board crossbeam encloses linking bridge and vehicle before with |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201120 |
|
| RJ01 | Rejection of invention patent application after publication |