CN106697057B - Front longitudinal beam stiffening plate, front longitudinal beam assembly and automobile - Google Patents
Front longitudinal beam stiffening plate, front longitudinal beam assembly and automobile Download PDFInfo
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- CN106697057B CN106697057B CN201510438391.XA CN201510438391A CN106697057B CN 106697057 B CN106697057 B CN 106697057B CN 201510438391 A CN201510438391 A CN 201510438391A CN 106697057 B CN106697057 B CN 106697057B
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- stiffening plate
- longitudinal beam
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- 238000005452 bending Methods 0.000 claims description 17
- 241000826860 Trapezium Species 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims 1
- 238000005728 strengthening Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The present invention provides a kind of front longitudinal beam stiffening plate, front longitudinal beam assembly and automobiles.Wherein, front longitudinal beam stiffening plate includes the first energy-absorbing section and strengthening segment, and the first energy-absorbing section has groove structure.The technical solution provided through the invention is able to solve the front longitudinal beam stiffening plate insufficient problem of crumple deflection after an impact in the prior art.
Description
Technical field
The present invention relates to automobile technical fields, in particular to a kind of front longitudinal beam stiffening plate, front longitudinal beam assembly and vapour
Vehicle.
Background technique
Currently, automobile front longitudinal beam assembly is power transmission and the second energy-absorbing segment important in vehicle collisions.Such as Fig. 1 institute
Show, the front longitudinal beam assembly of automobile includes stringer front shroud 1, stringer ontology 2, stringer upper cover plate 3, front longitudinal beam stiffening plate 4, subframe
The leading portion of stringer ontology 2 is arranged in stiffening plate 6 after preceding stiffening plate 5 and subframe, front longitudinal beam stiffening plate 4.When collision occurs, indulge
Crumple deformation occurs for the impact force that beam ontology 2 will receive collision, and impact force can transmit backward along self structure.
Crumple deflection is insufficient after an impact for front longitudinal beam stiffening plate 4 in the prior art, causes collision energy not preceding
The absorption well of longitudinal beam reinforcing plate 4, the back segment that so will cause stringer ontology 2 cause biggish bending to deform.
Summary of the invention
The main purpose of the present invention is to provide a kind of front longitudinal beam stiffening plate, front longitudinal beam assembly and automobiles, existing to solve
There is in technology the front longitudinal beam stiffening plate insufficient problem of crumple deflection after an impact.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of front longitudinal beam stiffening plate, front longitudinal beam add
Strong plate includes the first energy-absorbing section and strengthening segment, and the first energy-absorbing section has groove structure.
Further, length direction of the length direction of groove structure perpendicular to the first energy-absorbing section.
Further, the first energy-absorbing section includes multiple groove structures, multiple groove structure interval settings.
Further, the width of the slot bottom of groove structure is less than the width of the opening of groove structure.
Further, the cross section of groove structure is V-structure or trapezium structure.
Further, the first energy-absorbing section is the first concave inward structure, and the first energy-absorbing section has the inner surface and the outer surface, groove knot
Structure is arranged on the outer surface of the first energy-absorbing section.
Further, the first energy-absorbing section includes the first side and second side of ontology with the two sides that ontology is arranged in, the
A side, ontology and second side form the first concave inward structure, are provided with the first groove on first side, are arranged on second side
There is the second groove, third groove is provided on ontology, the first groove, the second groove and third groove are interconnected.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of front longitudinal beam assembly, including stringer sheet
Body and front longitudinal beam stiffening plate, front longitudinal beam stiffening plate are arranged in stringer ontology, and front longitudinal beam stiffening plate is the above-mentioned front longitudinal beam provided
Stiffening plate, the first energy-absorbing section correspond to the leading portion of stringer ontology.
Further, front longitudinal beam assembly further includes stiffening plate after stiffening plate and subframe before subframe；Stringer ontology is the
Two concave inward structures, stringer ontology include the second energy-absorbing section and bending part, and stiffening plate is all provided with after stiffening plate and subframe before subframe
Stiffening plate setting is set before the outside of the second concave inward structure, subframe after stiffening plate and subframe on bending part and after subframe
Side of the stiffening plate far from the second energy-absorbing section before subframe is arranged in stiffening plate；Front longitudinal beam stiffening plate is inhaled from the second of stringer ontology
Energy section extends to the position on bending part corresponding to stiffening plate after subframe.
According to another aspect of the present invention, a kind of automobile, including front longitudinal beam assembly are provided, front longitudinal beam assembly is above-mentioned mentions
The front longitudinal beam assembly of confession.
It applies the technical scheme of the present invention, front longitudinal beam stiffening plate can be improved the branch of stringer ontology in normal use process
Intensity is held, by the way that groove structure is arranged in the first energy-absorbing section of front longitudinal beam stiffening plate, so that front longitudinal beam stiffening plate is sent out in vehicle body
During raw collision, which can occur fully to be crushed deformation, improve front longitudinal beam stiffening plate in collision process
Cushion performance, to reduce the deflection of stringer ontology back segment.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the front longitudinal beam assembly of the prior art；
Fig. 2 shows the structural schematic diagrams of the front longitudinal beam stiffening plate provided according to the present invention；
Fig. 3 shows the scheme of installation of the front longitudinal beam assembly provided according to the present invention；
Fig. 4 shows the structural schematic diagram of the front longitudinal beam assembly provided according to the present invention；
Fig. 5 shows the scheme of installation of front longitudinal beam stiffening plate in Fig. 2.
Wherein, the above drawings include the following reference numerals:
1, stringer front shroud；2, stringer ontology；3, stringer upper cover plate；4, front longitudinal beam stiffening plate；5, stiffening plate before subframe；
6, stiffening plate after subframe；10, stringer ontology；11, the second energy-absorbing section；12, bending part；20, front longitudinal beam stiffening plate；21, first
Energy-absorbing section；21a, groove structure；22, strengthening segment；23, through-hole；30, stiffening plate before subframe；40, stiffening plate after subframe.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figures 2 to 5, the present invention provides a kind of embodiment of front longitudinal beam stiffening plate, the front longitudinal beam stiffening plates 20
It is arranged inside stringer ontology 10.Wherein, front longitudinal beam stiffening plate 20 includes the first energy-absorbing section 21 and strengthening segment 22, the first energy-absorbing section
21 and strengthening segment 22 be structure as a whole, the front end of stringer ontology 10 is arranged in the first energy-absorbing section 21, and strengthening segment 22 is along stringer ontology
10 extending direction setting.Specifically, groove structure 21a, as a preferred embodiment, groove are provided in the first energy-absorbing section 21
Structure 21a is limited by length dimension, depth dimensions and width dimensions, wherein the length direction of groove structure 21a is perpendicular to first
The length direction of energy-absorbing section 21.
Using embodiment provided by the invention, front longitudinal beam stiffening plate 20 can be improved stringer ontology in normal use process
10 holding strength, by the way that groove structure 21a is arranged in the first energy-absorbing section 21 of front longitudinal beam stiffening plate 20, so that front longitudinal beam adds
During vehicle body collides, groove structure 21a can occur fully to be crushed deformation strong plate 20, improve front longitudinal beam and add
Strong cushion performance of the plate 20 in collision process, to reduce the deflection of 10 back segment of stringer ontology.
In embodiment provided by the invention, the first energy-absorbing section 21 and strengthening segment 22 are the first concave inward structure, wherein
First concave inward structure includes ontology, first side and second side, and groove structure 21a may be provided at the outer of the first concave inward structure
Side may also be arranged on the inside of the first concave inward structure, and as a preferred embodiment, groove structure 21a is arranged in the first energy-absorbing section
21 outer surface.
Wherein, in order to reach better deformation effect, the width of groove structure 21a slot bottom is less than the opening of groove structure 21
Width.Optionally, the width of groove structure 21a becomes larger from slot bottom to aperture position.Specifically, the first concave inward structure can
To be set as V-structure, and slot bottom is provided with arc-shaped transition section, trapezium structure can also be set by the first concave inward structure.?
In the present embodiment, which is V-structure.
In order to reach good energy-absorbing effect, it is provided with the first groove on first side, is provided with second on second side
Groove, third groove is provided on ontology, and the first groove, the second groove and third groove are interconnected to constitute the groove knot
Structure 21a.Also, the free end of the first groove extends to the upper edge of first side, and the free end of the second groove extends to second
The upper edge of side can make the first fully deformed during colliding of energy-absorbing section 21 by groove structure 21a.
Specifically, multiple groove structure 21a are provided in the first energy-absorbing section 21, and multiple groove structure 21a are parallel to each other
Setting, the spacing of two neighboring groove structure 21a differ, and specifically, one end in the first energy-absorbing section 21 far from strengthening segment 22 is
First end, for groove structure 21a closer to the first end of the first energy-absorbing section 21, the spacing of two neighboring groove structure 21a is smaller.
In the embodiment that the present invention mentions, the thickness of the first energy-absorbing section 21 is set smaller than to the thickness of strengthening segment 22.
The intensity that strengthening segment 22 can so be increased while meeting the energy-absorbing effect of the first energy-absorbing section 21, so that front longitudinal beam stiffening plate
20 the first energy-absorbing section 21 is sufficiently crushed deformation when colliding, and avoids the back segment excessive deformation of stringer ontology 10.Tool
Body, 2.2mm is set by the thickness of the first energy-absorbing section 21, the thickness of strengthening segment 22 is set as 2.8mm.
As shown in Fig. 2, the front longitudinal beam stiffening plate 20 further includes through-hole 23, the setting of through-hole 23 is in the first energy-absorbing section 21 and reinforces
In section 22.It can guarantee circulation of the oil liquid in front longitudinal beam stiffening plate 20 by through-hole 23.Optionally, two neighboring groove structure
A through-hole 23 is provided between 21a.
As shown in Figures 2 to 5, the present invention also provides a kind of front longitudinal beam assembly, which includes stringer ontology
10 and front longitudinal beam stiffening plate 20, front longitudinal beam stiffening plate 20 is arranged in stringer ontology 10, and front longitudinal beam stiffening plate 20 is above-mentioned implementation
Front longitudinal beam stiffening plate 20 in example, the first energy-absorbing section 21 correspond to the leading portion of stringer ontology 10.
Using front longitudinal beam assembly provided in an embodiment of the present invention, by the first energy-absorbing section 21 of front longitudinal beam stiffening plate 20
Groove structure 21a is set, so that vehicle, when colliding, the first energy-absorbing section 21 can sufficiently be crushed deformation, and then make stringer
The leading portion of ontology is sufficiently crushed deformation, and absorbs the energy generated by collision, reduces the change of 20 strengthening segment 22 of front longitudinal beam stiffening plate
Shape, and then reduce the deflection of stringer ontology back segment.
In embodiment provided by the invention, the front longitudinal beam assembly further include before subframe after stiffening plate 30 and subframe plus
Strong plate 40, stringer ontology 10 are the second concave inward structure, and stringer ontology 10 includes the second energy-absorbing section 11 and bending part 12, and front longitudinal beam adds
First energy-absorbing section 21 of strong plate 20 is arranged in the second energy-absorbing section 11, and the strengthening segment 22 of front longitudinal beam stiffening plate 20 is correspondingly arranged at bending
Portion 12.Wherein, stringer ontology 10 and front longitudinal beam stiffening plate 20 are structure as a whole.Add after stiffening plate 30 and subframe before subframe
Strong plate 40 is arranged at the outside of the second concave inward structure, and stiffening plate 40 is arranged in bending after stiffening plate 30 and subframe before subframe
Side of the stiffening plate 30 far from the second energy-absorbing section 11 before subframe is arranged in stiffening plate 40 in portion 12 and after subframe.Pass through secondary vehicle
Stiffening plate 40 can reinforce the intensity of bending part 12 after stiffening plate 30 and subframe before frame.Wherein, the second concave inward structure can be set
It is set to U-shaped structure, may be alternatively provided as trapezium structure.In the present embodiment, which is U-shaped structure.
Specifically, in order to increase the rigidity at 10 bending part 12 of stringer ontology, by the front longitudinal beam stiffening plate 20 from stringer sheet
Second energy-absorbing section 11 of body 10 extends to the position on bending part 12 corresponding to stiffening plate 40 after subframe.
In order to which when vehicle collides, the second energy-absorbing section 11 of stringer ontology 10 can sufficiently be crushed deformation, and
The deformation at the bending part 12 of stringer ontology 10 is reduced, the thickness of the second energy-absorbing section 11 is set smaller than to the thickness of bending part 12
Degree.Wherein, as a preferred embodiment, 2.2mm is set by the thickness at the second energy-absorbing section 11, the thickness setting at bending part 12
For 2.8mm.
As shown in Figures 2 to 5, the present invention also provides a kind of automobile, including front longitudinal beam assembly, front longitudinal beam assembly is above-mentioned
The front longitudinal beam assembly provided in embodiment.
It is recessed by being arranged in the first energy-absorbing section 21 of front longitudinal beam stiffening plate 20 using automobile provided in an embodiment of the present invention
Slot structure 21a, so that vehicle, when colliding, the first energy-absorbing section 21 can sufficiently be crushed deformation, and then make stringer ontology
The sufficiently conquassation of second energy-absorbing section 11 deforms and absorbs the energy generated by collision, to reduce 20 strengthening segment 22 of front longitudinal beam stiffening plate
Deformation, and then reduce stringer ontology back segment deflection, guarantee the safety of driver's cabin.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of front longitudinal beam stiffening plate, which is characterized in that the front longitudinal beam stiffening plate (20) includes the first energy-absorbing section (21) and adds
Strong section (22), the first energy-absorbing section (21) have groove structure (21a)；The first energy-absorbing section (21) is the first indent knot
Structure, the first energy-absorbing section (21) have the inner surface and the outer surface, and the groove structure (21a) is arranged in the first energy-absorbing section
(21) on outer surface；The first energy-absorbing section (21) include ontology and be arranged in the ontology two sides first side and the
Dual side-edge, the first side, the ontology and the second side form first concave inward structure, on the first side
It is provided with the first groove, the second groove is provided on the second side, is provided with third groove on the ontology, described first
Groove, second groove and the third groove are interconnected.
2. front longitudinal beam stiffening plate according to claim 1, which is characterized in that the length direction of the groove structure (21a)
Perpendicular to the length direction of the first energy-absorbing section (21).
3. front longitudinal beam stiffening plate according to claim 2, which is characterized in that the first energy-absorbing section (21) includes multiple institutes
It states groove structure (21a), multiple groove structure (21a) interval settings.
4. front longitudinal beam stiffening plate according to claim 3, which is characterized in that the width of the slot bottom of the groove structure (21a)
The width of opening of the degree less than the groove structure (21a).
5. front longitudinal beam stiffening plate according to claim 4, which is characterized in that the cross section of the groove structure (21a) is V
Type structure or trapezium structure.
6. a kind of front longitudinal beam assembly, including stringer ontology (10) and front longitudinal beam stiffening plate (20), the front longitudinal beam stiffening plate (20)
Setting is in the stringer ontology (10), which is characterized in that the front longitudinal beam stiffening plate (20) is any in claim 1 to 5
Front longitudinal beam stiffening plate (20) described in, the first energy-absorbing section (21) correspond to the leading portion of the stringer ontology (10).
7. front longitudinal beam assembly according to claim 6, which is characterized in that
The front longitudinal beam assembly further includes stiffening plate (40) after stiffening plate (30) and subframe before subframe；
The stringer ontology (10) is the second concave inward structure, and the stringer ontology (10) includes the second energy-absorbing section (11) and bending part
(12), stiffening plate (40) is arranged at second concave inward structure after stiffening plate (30) and the subframe before the subframe
Outside, stiffening plate (40) is arranged on the bending part (12) and institute after stiffening plate (30) and the subframe before the subframe
Side of the stiffening plate (30) far from the second energy-absorbing section (11) is arranged before the subframe in stiffening plate (40) after stating subframe；
The front longitudinal beam stiffening plate (20) extends to the bending part from the second energy-absorbing section (11) of the stringer ontology (10)
(12) position on corresponding to stiffening plate (40) after the subframe.
8. a kind of automobile, including front longitudinal beam assembly, which is characterized in that the front longitudinal beam assembly be claim 6 or 7 described in front of
Stringer assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510438391.XA CN106697057B (en) | 2015-07-23 | 2015-07-23 | Front longitudinal beam stiffening plate, front longitudinal beam assembly and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510438391.XA CN106697057B (en) | 2015-07-23 | 2015-07-23 | Front longitudinal beam stiffening plate, front longitudinal beam assembly and automobile |
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| Publication Number | Publication Date |
|---|---|
| CN106697057A CN106697057A (en) | 2017-05-24 |
| CN106697057B true CN106697057B (en) | 2019-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510438391.XA Active CN106697057B (en) | 2015-07-23 | 2015-07-23 | Front longitudinal beam stiffening plate, front longitudinal beam assembly and automobile |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109987140B (en) * | 2017-12-29 | 2020-07-24 | 长城汽车股份有限公司 | Automobile frame |
| CN108891484A (en) * | 2018-04-25 | 2018-11-27 | 力帆实业(集团)股份有限公司 | Automobile front longitudinal beam assembly |
| CN108583689B (en) * | 2018-05-08 | 2023-08-01 | 江苏敏安电动汽车有限公司 | Longitudinal beam with force transmission structure and automobile |
| CN110510005B (en) * | 2019-07-18 | 2024-05-10 | 东风商用车有限公司 | Commercial car driver's cabin floor longeron |
| CN110395315A (en) * | 2019-07-26 | 2019-11-01 | 鄂尔多斯市元盟工贸有限公司 | A kind of automobile front longitudinal beam inside reinforcement girder construction |
| CN113232726A (en) * | 2021-04-29 | 2021-08-10 | 宝能(广州)汽车研究院有限公司 | Longitudinal beam reinforcing plate and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011207263A (en) * | 2010-03-29 | 2011-10-20 | Jfe Steel Corp | Reinforcing structure of collision energy absorbing member of automobile |
| CN202295020U (en) * | 2011-10-16 | 2012-07-04 | 浙江吉利汽车研究院有限公司 | Front floor longitudinal beam reinforcing piece of automobile |
| JP2012236525A (en) * | 2011-05-12 | 2012-12-06 | Mazda Motor Corp | Vehicular frame structure |
| CN103552604A (en) * | 2013-10-08 | 2014-02-05 | 安徽江淮汽车股份有限公司 | Automobile longitudinal beam structure |
| CN104908816A (en) * | 2015-05-28 | 2015-09-16 | 华晨汽车集团控股有限公司 | Stiffening beam structure |
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2015
- 2015-07-23 CN CN201510438391.XA patent/CN106697057B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011207263A (en) * | 2010-03-29 | 2011-10-20 | Jfe Steel Corp | Reinforcing structure of collision energy absorbing member of automobile |
| JP2012236525A (en) * | 2011-05-12 | 2012-12-06 | Mazda Motor Corp | Vehicular frame structure |
| CN202295020U (en) * | 2011-10-16 | 2012-07-04 | 浙江吉利汽车研究院有限公司 | Front floor longitudinal beam reinforcing piece of automobile |
| CN103552604A (en) * | 2013-10-08 | 2014-02-05 | 安徽江淮汽车股份有限公司 | Automobile longitudinal beam structure |
| CN104908816A (en) * | 2015-05-28 | 2015-09-16 | 华晨汽车集团控股有限公司 | Stiffening beam structure |
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| CN106697057A (en) | 2017-05-24 |
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Effective date of registration: 20180508 Address after: No. 188, Miyun District, Miyun District, Beijing, Beijing Applicant after: Beijing treasure Car Co.,Ltd. Address before: 102206 Beiqi Futian Motor Company Limited, law and intellectual property department, Shayang Road, Shahe Town, Changping District, Beijing Applicant before: BEIQI FOTON MOTOR Co.,Ltd. |
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Address after: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee after: Beijing baowo Automobile Co.,Ltd. Address before: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee before: Beijing treasure Car Co.,Ltd. |
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Denomination of invention: Front longitudinal beam reinforcing plate, front longitudinal beam assembly and automobile Effective date of registration: 20211213 Granted publication date: 20190419 Pledgee: BEIJING AUTOMOTIVE GROUP Co.,Ltd. Pledgor: Beijing baowo Automobile Co.,Ltd. Registration number: Y2021990001167 |
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Date of cancellation: 20230925 Granted publication date: 20190419 Pledgee: BEIJING AUTOMOTIVE GROUP Co.,Ltd. Pledgor: Beijing baowo Automobile Co.,Ltd.|Borgward Automotive (China) Co., Ltd. Registration number: Y2021990001167 |
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Effective date of registration: 20231007 Address after: 102206, Beijing, Shahe, Changping District Town, Sha Yang Road, Lao Wan Village North Patentee after: BEIQI FOTON MOTOR Co.,Ltd. Address before: 101300 Shuanghe Street, Shunyi District, Beijing, 99 Patentee before: BEIJING AUTOMOTIVE GROUP Co.,Ltd. Effective date of registration: 20231007 Address after: 101300 Shuanghe Street, Shunyi District, Beijing, 99 Patentee after: BEIJING AUTOMOTIVE GROUP Co.,Ltd. Address before: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee before: Beijing baowo Automobile Co.,Ltd. |
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