CN113978561A - Front floor structure - Google Patents
Front floor structure Download PDFInfo
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- CN113978561A CN113978561A CN202111245706.0A CN202111245706A CN113978561A CN 113978561 A CN113978561 A CN 113978561A CN 202111245706 A CN202111245706 A CN 202111245706A CN 113978561 A CN113978561 A CN 113978561A
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- threshold
- front floor
- connecting arm
- front longitudinal
- floor structure
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 21
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims 4
- 238000005728 strengthening Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000004197 pelvis Anatomy 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011076 safety test Methods 0.000 description 1
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Classifications
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- 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
- B62D25/20—Floors or bottom sub-units
- B62D25/2072—Floor protection, e.g. from corrosion or scratching
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- 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 front floor structure, which relates to the technical field of automobiles and comprises a bottom plate, and a threshold beam, a front longitudinal beam and a sled plate which are arranged on the bottom plate, wherein the threshold beam and the sled plate are arranged in parallel, and one end of the sled plate, which corresponds to the threshold beam, is fixedly connected through the front longitudinal beam; the bottom plate is also provided with a reinforcing cross beam, the reinforcing cross beam is arranged between the threshold beam and the ski board, and two ends of the reinforcing cross beam are respectively connected to the threshold beam and the reinforcing cross beam; through designing the position between threshold roof beam, front longitudinal and the sled board on the bottom plate, simultaneously through addding strengthening the crossbeam for the integrality of front floor structure can promote, has very big promotion effect to guaranteeing its security performance, has reduced the risk of side impact structural instability on Y is to the route effectively simultaneously.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a front floor structure.
Background
The safety test items related to the side surfaces of the automobile mainly comprise side trolley collision and side column collision. The side trolley collision is mainly used for simulating typical crossroad safety accidents, and the method is that a moving trolley is used for impacting the side of a cab at a certain speed, and the injury of the head, the chest and the pelvis of a dummy on the driver side is mainly measured.
Side pillar collision is a test in which a vehicle is moved laterally at a certain speed per hour against a fixed rigid pillar (similar to an object such as a side-impact utility pole in an accident), and this test focuses on detecting the rigidity of the vehicle body.
No matter the side trolley collides or the side column collides, the force transmission structure on the side surface of the vehicle body has higher requirements for protecting passengers in the vehicle.
In the side collision test process of the existing scheme, the existing front floor is easy to have structural instability, so that the intrusion amount of a vehicle body structure is too large, and the side collision safety is influenced; therefore, how to improve the safety performance of the front floor and reduce the risk of structural instability is a problem to be solved at present.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a novel front floor structure, which improves the overall strength of the front floor through the improvement of the structure and ensures the safety performance of a vehicle body.
Specifically, the scheme provided by the scheme comprises the following specific steps:
a front floor structure comprises a bottom plate, a threshold beam, a front longitudinal beam and a sled plate, wherein the threshold beam, the front longitudinal beam and the sled plate are arranged on the bottom plate; the bottom plate is further provided with a reinforcing cross beam, the reinforcing cross beam is arranged between the threshold beam and the ski board, and two ends of the reinforcing cross beam are connected to the threshold beam and the reinforcing cross beam respectively.
Further, the reinforcing cross beam comprises a cross beam body, and a first extending edge and a second extending edge which are arranged on the left side and the right side of the cross beam body, wherein the first extending edge and the cross beam body are arranged in parallel and used for being fixed with the sled plate; the second extending edge is perpendicular to the beam body and is used for being fixed with the threshold beam.
Furthermore, a lightening hole is formed in the beam body.
Furthermore, the other two sides of the beam body are provided with lateral wing edges, the lateral wing edges opposite to the front longitudinal beam are smooth, and the lateral wing edges opposite to the front longitudinal beam are wavy.
Furthermore, the reinforcing beam is of an integrally formed structure.
Furthermore, an upright post is arranged at one end, facing the front longitudinal beam, of the threshold beam, and the upright post is perpendicular to the threshold beam and is in smooth transition through an arc angle;
the front longitudinal beam is provided with a first connecting arm, a second connecting arm and a third connecting arm, so that the front longitudinal beam is in a Y-shaped structure, and the first connecting arm and the second connecting arm are respectively fixed with the threshold beam and the upright post; one end of the ski board is fixed with the side surface of the first connecting arm.
Further, the threshold beam and the upright column form a joint position, and the reinforcing cross beam is fixed at the joint position.
Further, still be provided with first crossbeam and second crossbeam on the bottom plate, first crossbeam with second crossbeam parallel arrangement and all with threshold roof beam vertical fixation, first crossbeam is located the second crossbeam with between the sled board just the other end of sled board with first crossbeam is fixed.
Furthermore, the first cross beam, the second cross beam and one end, opposite to the threshold beam, of the first cross beam and the second cross beam are provided with extending edges, and the first cross beam and the second cross beam are fixed with the threshold beam through the extending edges.
The beneficial effect that adopts this technical scheme to reach does:
through designing the position between threshold roof beam, front longitudinal and the sled board on the bottom plate, simultaneously through addding strengthening the crossbeam for the integrality of front floor structure can promote, has very big promotion effect to guaranteeing its security performance, has reduced the risk of side impact structural instability on Y is to the route effectively simultaneously.
Drawings
Fig. 1 is a plan view of a front floor structure.
Fig. 2 is an exploded view of the front floor structure.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
Fig. 4 is a perspective view of a front floor structure.
Wherein: the structure comprises a sill beam 10, a vertical column 11, a front longitudinal beam 20, a first connecting arm 21, a second connecting arm 22, a third connecting arm 23, a skiboard 30, a reinforced cross beam 40, a cross beam body 41, a first extending edge 42, a second extending edge 43, a side wing edge 44, a first cross beam 50 and a second cross beam 60.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
The embodiment provides a front floor structure, and further improved design is carried out on the front floor structure, so that the overall strength of the front floor structure is enhanced, and the safety performance of a vehicle body is improved.
Specifically, referring to fig. 1-2, the front floor structure includes a bottom plate, and a threshold beam 10, a front longitudinal beam 20 and a sled 30 which are arranged on the bottom plate, wherein the threshold beam 10 and the sled 30 are arranged in parallel, and one end of the sled 30 corresponding to the threshold beam 10 is connected and fixed through the front longitudinal beam 20; it is understood that the rocker beam 10 is spaced side by side from the ski 30, the front longitudinal beam 20 is arranged on the same side of the rocker beam 10 as the ski 30, and the front longitudinal beam 20 connects and secures the rocker beam 10 and the ski 30.
The bottom plate is also provided with a reinforcing cross beam 40, the reinforcing cross beam 40 is arranged between the threshold beam 10 and the sled plate 30, and two ends of the reinforcing cross beam 40 are respectively connected to the threshold beam 10 and the sled plate 30.
It will be appreciated that the sill beam 10 and the sled 30 are not only secured in connection by the front longitudinal beam 20, but are also further secured in connection by the cross reinforcement beam 40, which ensures the stability of the connection.
In the scheme, referring to fig. 3, a reinforcing beam 40 is provided, which includes a beam body 41, and a first extending edge 42 and a second extending edge 43 disposed on the left and right sides of the beam body 41, wherein the first extending edge 42 is disposed in parallel with the beam body 41 for fixing with the sled 30; the second extended edge 43 is provided perpendicularly to the cross member body 41 for fixation to the rocker beam 10.
Through adopting above structure setting, can accomplish smoothly and be connected between threshold roof beam 10, sled board 30 fixedly, specific fixed mode is, places strengthening beam 40 between threshold roof beam 10 and sled board 30 for first edge 42 that prolongs can the overlap joint and fix on sled board 30, and the second edge 43 that prolongs is in vertical setting state and just can carry out the butt with the side of threshold roof beam 10 and fix.
Optionally, lightening holes are formed in the beam body 41, and the overall weight is reduced as much as possible by means of the lightening holes without affecting the connection strength.
Optionally, the other two sides of the cross beam body 41 are provided with side wing edges 44, the two side wing edges 44 are different in specific arrangement structure, the side wing edge opposite to the front longitudinal beam 20 is smooth, and the side wing edge opposite to the front longitudinal beam 20 is wavy.
Through set up side wing limit 44 on crossbeam body 41, guarantee crossbeam body 41 now fixed in-process and the laminating nature of bottom plate, simultaneously through setting up side wing limit 44 for whole strengthening beam 40 has still guaranteed holistic side and has turned round intensity when reaching to subtract heavy, has very big promotion effect to promoting holistic intensity.
In this scheme, stiffening beam 40 is the integrated into one piece structure.
In the scheme, referring to fig. 1-2 and 4, an upright post 11 is arranged at one end of the threshold beam 10 facing the front longitudinal beam 20, and the upright post 11 is perpendicular to the threshold beam 10 and is in smooth transition through an arc angle; meanwhile, the front longitudinal beam 20 is provided with a first connecting arm 21, a second connecting arm 22 and a third connecting arm 23, the front longitudinal beam 20 formed by the three connecting arms (namely the first connecting arm 21, the second connecting arm 22 and the third connecting arm 23) is of a Y-shaped structure, and the first connecting arm 21 and the second connecting arm 22 are respectively fixed with the upright post 11 and the threshold beam 10; one end of the ski 30 is fixed to the side of the second connecting arm 22.
Connect stand 11 and threshold roof beam 10 respectively through first connecting arm 21, second connecting arm 22 for the connection of threshold roof beam 10 and stand 11 is more stable, still sets up strengthening beam 40 in this scheme simultaneously at the hookup location of threshold roof beam 10 and stand 11, with this intensity between further improving stand 11 and threshold roof beam 10, prevents to lead to the collision structure unstability because of the intensity difference of hookup location department.
Specifically, the threshold beam 10 and the upright post 11 form a joint position, one end of the reinforcing cross beam 40 is fixed at the joint position, and the other end is fixedly connected with the sled 30; the safety performance of the vehicle body is improved.
In the scheme, a first cross beam 50 and a second cross beam 60 are further arranged on the bottom plate, the first cross beam 50 and the second cross beam 60 are arranged in parallel and are both vertically fixed with the threshold beam 10, the first cross beam 50 is positioned between the second cross beam 60 and the sled plate 30, and the other end of the sled plate 30 is fixed with the first cross beam 50; the first and second cross members 50 and 60 herein serve as front and rear cross members of the seat to ensure stability of the seat.
Optionally, the opposite ends of the first cross member 50 and the second cross member 60 to the rocker beam 10 are provided with extending edges, and the first cross member 50 and the second cross member 60 are fixed to the rocker beam 10 by the extending edges.
According to the technical scheme, positions among the threshold beam 10, the front longitudinal beam 20 and the sled plate 30 are designed on the bottom plate, and meanwhile, the reinforcement cross beam 40 is additionally arranged, so that the integrity of the front floor structure is improved; in the Y direction, the newly added reinforcement beam 40 makes up for the drawbacks of the conventional structure. For example, a transverse connection is added between the second cross member 60 (i.e., the rear seat cross member) and the front side member 20, so that poor structural stability caused by an excessively long X-direction distance is prevented; secondly, the reinforcement cross member 40 is designed at the joint position between the rocker beam 10 and the pillar 11 to prevent the crash structure from being unstable due to the difference in strength at the joint position.
Through the above structural design, the safety performance of the front floor structure is greatly promoted, and the risk of structural instability of side collision on a Y-direction path is effectively reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The front floor structure comprises a bottom plate, and a threshold beam (10), a front longitudinal beam (20) and a sled plate (30) which are arranged on the bottom plate, wherein the threshold beam (10) and the sled plate (30) are arranged in parallel, and one end, corresponding to the threshold beam (10), of the sled plate (30) is fixedly connected through the front longitudinal beam (20); the structure is characterized in that a reinforcing cross beam (40) is further arranged on the bottom plate, the reinforcing cross beam (40) is arranged between the threshold beam (10) and the ski board (30), and two ends of the reinforcing cross beam are respectively connected to the threshold beam (10) and the reinforcing cross beam (40).
2. A front floor structure according to claim 1, characterized in that the reinforcing beam (40) comprises a beam body (41) and a first extending edge (42) and a second extending edge (43) arranged at the left and right sides of the beam body (41), the first extending edge (42) is arranged in parallel with the beam body (41) for fixing with the ski board (30); the second extending edge (43) is perpendicular to the beam body (41) and is used for being fixed with the threshold beam (10).
3. A front floor structure according to claim 2, characterized in that the beam body (41) is provided with lightening holes.
4. A front floor structure according to claim 2, characterized in that the beam body (41) is provided with side flanges (44) on the other two sides, the side flanges (44) opposite to the front longitudinal beam (20) are smooth, and the side flanges opposite to the front longitudinal beam (20) are wavy.
5. A front floor structure according to claim 3 or 4, characterised in that the reinforcement beam (40) is of one-piece construction.
6. A front floor structure according to any one of claims 1-4, characterized in that the end of the sill beam (10) facing the front longitudinal beam (20) is provided with a pillar (11), which pillar (11) is perpendicular to the sill beam (10) and smoothly transits through a radius angle;
the front longitudinal beam (20) is provided with a first connecting arm (21), a second connecting arm (22) and a third connecting arm (23) so that the front longitudinal beam (20) is of a Y-shaped structure, and the first connecting arm (21) and the second connecting arm (22) are respectively fixed with the upright post (11) and the doorsill beam (10); one end of the ski board (30) is fixed with the side surface of the second connecting arm (22).
7. A front floor construction according to claim 6, characterised in that the threshold beam (10) forms a joint location with the pillar (11), to which joint location the reinforcement beam (40) is fixed.
8. A front floor construction according to claim 7, characterized in that the floor is further provided with a first beam (50) and a second beam (60), the first beam (50) and the second beam (60) being arranged in parallel and both being fixed perpendicular to the threshold beam (10), the first beam (50) being located between the second beam (60) and the ski (30) and the other end of the ski (30) being fixed to the first beam (50).
9. A front floor construction according to claim 8, characterized in that the ends of the first and second beam (50, 60) opposite to the threshold beam (10) are provided with extensions, by means of which the first and second beam (50, 60) are fixed to the threshold beam (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111245706.0A CN113978561A (en) | 2021-10-26 | 2021-10-26 | Front floor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111245706.0A CN113978561A (en) | 2021-10-26 | 2021-10-26 | Front floor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113978561A true CN113978561A (en) | 2022-01-28 |
Family
ID=79741372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111245706.0A Pending CN113978561A (en) | 2021-10-26 | 2021-10-26 | Front floor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113978561A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328700A (en) * | 2011-06-08 | 2012-01-25 | 浙江吉利汽车研究院有限公司 | Vehicle front floor strengthening structure |
| CN102501905A (en) * | 2011-11-04 | 2012-06-20 | 重庆长安汽车股份有限公司 | Floor beam structure of automobile |
| CN103171629A (en) * | 2011-12-22 | 2013-06-26 | 通用汽车环球科技运作有限责任公司 | Motor vehicle body with reinforcing structure |
| JP2014043133A (en) * | 2012-08-24 | 2014-03-13 | Toyota Motor Corp | Car body front structure |
| CN103770841A (en) * | 2013-05-27 | 2014-05-07 | 广州汽车集团股份有限公司 | Autobody framework structure |
| CN207015455U (en) * | 2017-06-30 | 2018-02-16 | 奇瑞汽车股份有限公司 | A kind of side impact Floor frame structure |
| CN209776565U (en) * | 2018-12-30 | 2019-12-13 | 浙江众泰汽车制造有限公司 | Automobile body structure |
| CN209795613U (en) * | 2019-03-30 | 2019-12-17 | 长城汽车股份有限公司 | Front structure of lower body of automobile |
| CN211107729U (en) * | 2019-09-30 | 2020-07-28 | 广州汽车集团股份有限公司 | Automobile front floor structure and automobile |
| CN111547134A (en) * | 2020-04-23 | 2020-08-18 | 广汽蔚来新能源汽车科技有限公司 | Vehicle, vehicle body and force transmission structure thereof |
| CN112441129A (en) * | 2019-08-30 | 2021-03-05 | 北京宝沃汽车有限公司 | Preceding floor assembly of vehicle and have its vehicle |
-
2021
- 2021-10-26 CN CN202111245706.0A patent/CN113978561A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328700A (en) * | 2011-06-08 | 2012-01-25 | 浙江吉利汽车研究院有限公司 | Vehicle front floor strengthening structure |
| CN102501905A (en) * | 2011-11-04 | 2012-06-20 | 重庆长安汽车股份有限公司 | Floor beam structure of automobile |
| CN103171629A (en) * | 2011-12-22 | 2013-06-26 | 通用汽车环球科技运作有限责任公司 | Motor vehicle body with reinforcing structure |
| JP2014043133A (en) * | 2012-08-24 | 2014-03-13 | Toyota Motor Corp | Car body front structure |
| CN103770841A (en) * | 2013-05-27 | 2014-05-07 | 广州汽车集团股份有限公司 | Autobody framework structure |
| CN207015455U (en) * | 2017-06-30 | 2018-02-16 | 奇瑞汽车股份有限公司 | A kind of side impact Floor frame structure |
| CN209776565U (en) * | 2018-12-30 | 2019-12-13 | 浙江众泰汽车制造有限公司 | Automobile body structure |
| CN209795613U (en) * | 2019-03-30 | 2019-12-17 | 长城汽车股份有限公司 | Front structure of lower body of automobile |
| CN112441129A (en) * | 2019-08-30 | 2021-03-05 | 北京宝沃汽车有限公司 | Preceding floor assembly of vehicle and have its vehicle |
| CN211107729U (en) * | 2019-09-30 | 2020-07-28 | 广州汽车集团股份有限公司 | Automobile front floor structure and automobile |
| CN111547134A (en) * | 2020-04-23 | 2020-08-18 | 广汽蔚来新能源汽车科技有限公司 | Vehicle, vehicle body and force transmission structure thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220128 |
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| RJ01 | Rejection of invention patent application after publication |