CN203005534U - Automobile girder outer plate structure - Google Patents
Automobile girder outer plate structure Download PDFInfo
- Publication number
- CN203005534U CN203005534U CN 201220610679 CN201220610679U CN203005534U CN 203005534 U CN203005534 U CN 203005534U CN 201220610679 CN201220610679 CN 201220610679 CN 201220610679 U CN201220610679 U CN 201220610679U CN 203005534 U CN203005534 U CN 203005534U
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- China
- Prior art keywords
- outside plate
- girder
- outer plate
- stage casing
- leading portion
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an automobile girder outer plate structure which comprises a girder outer plate body, wherein the girder outer plate body adopts a sectional structure and comprises a front section of the outer plate, a middle section of the outer plate and a rear section of the outer plate, and the thickness of the front section, the thickness of the middle section and the thickness of the rear section of the outer plate are sequentially increased. The automobile girder outer plate structure solves problems of poor structural strength, unstable quality, and incapacity of sectional crushing of a conventional girder outer plate, and can effectively achieve sectional crushing, fully absorb energy produced by collision, effectively improve safety performance of an automobile and protect safety of people in the automobile.
Description
Technical field
The utility model relates to the automotive body structure technical field, especially relates to a kind of automobile longitudinal girder outer panel structure.
Background technology
Along with the lifting day by day of living standard, the popularity rate of automobile increases year by year.Automobile is as the requisite vehicle in people's daily life, and it is important that the safety performance of vehicle seems all the more.The automobile purchase person is more and more higher to the attention degree of safety performance.The safety performance of vehicle has directly had influence on the sales volume of vehicle.The active safety performance of vehicle also more and more is subject to each large automaker and customer's attention.As affecting the most important part of frontal crash of vehicles, it is important that the design of longeron seems all the more.
Tradition girder plate structure is formed by a monoblock steel plate punched or is integrated by two block plate roll-ins.Have that girder work undercapacity, part self exist that quality is unstable, the longeron problem of conquassation progressively.
Chinese patent literature (the day for announcing: on May 4th, 2011, notification number: CN 201816646U) disclose a kind of energy-absorbing external girder plate, comprise the energy-absorbing external girder plate body, described girder plate body cross-section is " U " font, girder plate body leading portion is provided with deformation inductdion groove group, described deformation inductdion groove group comprises and is arranged on girder plate body front end and connects the first deformation inductdion groove of girder plate body upper base surface and at least one pair of is arranged on deformation inductdion after the first deformation inductdion groove to groove, and described deformation inductdion is blind slot to groove.
The purpose of technique scheme is in order to overcome the existing girder plate structure leading portion weak defective of automobile longitudinal girder outside plate collision energy-absorbing structure energy absorption ability that causes really up to the mark, although this technical scheme can guide longeron collapse energy-absorption successively from front to back in collision, this scheme exists girder work undercapacity, part self to have the unsettled problem of quality.
The utility model content
The purpose of this utility model be have in order to solve girder work undercapacity in prior art, part self that quality is unstable, problem that can't the segmentation conquassation and a kind of automobile longitudinal girder outer panel structure that can improve longeron quality, intensity and safety performance is provided.
The utility model realizes that the technical scheme that its technical purpose adopts is: a kind of automobile longitudinal girder outer panel structure, comprise the girder plate body, described girder plate body is segmentation structure, the girder plate body comprises outside plate leading portion, outside plate stage casing and outside plate back segment, and the thickness of described outside plate leading portion, outside plate stage casing and outside plate back segment increases progressively successively.this automobile longitudinal girder outer panel structure, the girder plate body is formed by connecting by being thinned to the thick steel plate that increases progressively successively by three sections thickness, because outside plate leading portion conquassation amount when the collision happens is maximum, so the plate at outside plate leading portion place is set to the thinnest, and outside plate middle section conquassation amount less, so it is thicker that the plate of outside plate middle section is set to, and the conquassation amount at outside plate back segment place is minimum, so the plate at outside plate back segment place is set to the thickest in three sections, outside plate leading portion due to the girder plate body, the outside plate stage casing, the thickness of outside plate back segment increases progressively successively, can effectively realize the segmentation conquassation, fully absorb the energy that collision produces, effectively raise the safety performance of vehicle, protected the safety of member in car.This automobile longitudinal girder outer panel structure has solved the problem of traditional girder work undercapacity, traditional girder work and self has had the problem that the unsettled problem of quality, traditional girder plate can't the segmentation conquassation.
As preferably, the length of described outside plate leading portion, outside plate stage casing and outside plate back segment increases progressively successively.The length of outside plate leading portion, outside plate stage casing and outside plate back segment also increases progressively successively this and also arranges for the needs that further satisfy girder plate body segmentation conquassation.
As preferably, the cross-sectional plane in described outside plate leading portion and outside plate stage casing is the U font, and the cross-sectional plane of outside plate back segment is several fonts.The cross-sectional plane of outside plate leading portion, outside plate stage casing and outside plate back segment is set to said structure to be satisfied the needs that the girder plate body installs and arranges.
As preferably, be structure as a whole by laser welding respectively between outside plate leading portion and outside plate stage casing, outside plate stage casing and outside plate back segment.Outside plate leading portion, outside plate stage casing and outside plate back segment form by laser assembly solder, and laser tailor-welded weld intensity is high, have compared obvious advantage with traditional longeron on part quality, intensity and safety performance.
As preferably, the thickness of outside plate leading portion is 1.8mm to 2mm, and the thickness in outside plate stage casing is 2.2mm to 2.4mm, and the thickness of outside plate back segment is 2.4mm to 2.6mm.The preferred above-mentioned thickness of outside plate leading portion, outside plate stage casing and outside plate back segment can either satisfy quality, the requirement of strength of girder plate body, can not increase again the weight of girder plate body, is conducive to the lightweight of plate.
The beneficial effects of the utility model are: this automobile longitudinal girder outer panel structure has solved the problem of traditional girder work undercapacity, traditional girder work and self has had the problem that the unsettled problem of quality, traditional girder plate can't the segmentation conquassation.Can effectively realize the segmentation conquassation, fully absorb the energy that collision produces, effectively improve the safety performance of vehicle, member's safety in the protection car.Especially girder plate localized crush when vehicle frontal collision, effectively absorbed the energy that collision produces, and is comparatively obvious to the protection effect of member in car.Remarkable contribution has been made in lifting to the safety performance of vehicle.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is the cross sectional representation of A-A place outside plate leading portion in Fig. 1;
Fig. 3 is the cross sectional representation in outside plate stage casing, B-B place in Fig. 1;
Fig. 4 is the cross sectional representation of C-C place outside plate back segment in Fig. 1;
In figure: 1, girder plate body, 2, the outside plate leading portion, 3, the outside plate stage casing, 4, the outside plate back segment.
The specific embodiment
Also by reference to the accompanying drawings the technical solution of the utility model is described in further detail below by specific embodiment.
Embodiment 1:
In the embodiment shown in fig. 1, a kind of automobile longitudinal girder outer panel structure, comprise girder plate body 1, girder plate body 1 is segmentation structure, girder plate body 1 comprises outside plate leading portion 2, outside plate stage casing 3 and outside plate back segment 4, and the thickness of outside plate leading portion 2, outside plate stage casing 3 and outside plate back segment 4 increases progressively (seeing Fig. 2, Fig. 3 and Fig. 4) successively, and in the present embodiment, the thickness of outside plate leading portion adopts 1.8mm, the thickness in outside plate stage casing is 2.2mm, and the thickness of outside plate back segment is 2.4mm.The length of outside plate leading portion 2, outside plate stage casing 3 and outside plate back segment 4 also increases progressively successively.The cross-sectional plane in outside plate leading portion 2 and outside plate stage casing 3 is the U font, and the cross-sectional plane of outside plate back segment 4 is several fonts.Be structure as a whole by laser welding respectively between outside plate leading portion 2 and outside plate stage casing 3, outside plate stage casing 3 and outside plate back segment 4.
This automobile longitudinal girder outer panel structure, the steel plate that girder plate body 1 is increased progressively successively by three thickness and length adopts the laser assembly solder technology to be welded to each other and forms.Solve the problem of traditional girder work undercapacity, traditional girder work and self had the problem that the unsettled problem of quality, traditional girder plate can't the segmentation conquassation.
The girder work that the tradition vehicle is formed by a monoblock steel plate punched; the part monolith is thick consistent; during collision happens, (longitudinal beam front section conquassation amount is large for the very difficult segmentation conquassation of longeron; back segment conquassation amount minor benefit is in energy-absorbing protection member safety); the utility model adopt outside plate leading portion 2 steel plate material thick thinner, length is shorter; outside plate stage casing 3 thicker long, outside plate back segment 4 is the thickest the longest, three sections different steel plates of thickness are welded as a whole by laser assembly solder.Because the outside plate leading portion 2 of girder plate body 1, outside plate stage casing 3, outside plate back segment 4 thickness and length increase progressively, but actv. is realized the segmentation conquassation, fully absorbs the safety performance of the raising vehicle of the Energy Efficient that collision produces, member's safety in the protection car.
This girder plate structure has been compared obvious advantage with traditional longeron on part quality, intensity and safety performance; especially longeron localized crush when vehicle frontal collision; effectively absorbed the energy that collision produces; protection effect to member in car is comparatively obvious, and remarkable contribution has been made in the lifting of the safety performance of vehicle.
Claims (5)
1. automobile longitudinal girder outer panel structure, comprise girder plate body (1), it is characterized in that: described girder plate body (1) is segmentation structure, girder plate body (1) comprises outside plate leading portion (2), outside plate stage casing (3) and outside plate back segment (4), and the thickness of described outside plate leading portion (2), outside plate stage casing (3) and outside plate back segment (4) increases progressively successively.
2. a kind of automobile longitudinal girder outer panel structure according to claim 1, it is characterized in that: the length of described outside plate leading portion (2), outside plate stage casing (3) and outside plate back segment (4) increases progressively successively.
3. a kind of automobile longitudinal girder outer panel structure according to claim 1, it is characterized in that: the cross-sectional plane in described outside plate leading portion (2) and outside plate stage casing (3) is the U font, and the cross-sectional plane of outside plate back segment (4) is several fonts.
4. according to claim 1 and 2 or 3 described a kind of automobile longitudinal girder outer panel structures, is characterized in that: be structure as a whole by laser welding respectively between outside plate leading portion (2) and outside plate stage casing (3), outside plate stage casing (3) and outside plate back segment (4).
5. according to claim 1 and 2 or 3 described a kind of automobile longitudinal girder outer panel structures, it is characterized in that: the thickness of outside plate leading portion (2) is 1.8mm to 2mm, the thickness in outside plate stage casing (3) is 2.2mm to 2.4mm, and the thickness of outside plate back segment (4) is 2.4mm to 2.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220610679 CN203005534U (en) | 2012-11-16 | 2012-11-16 | Automobile girder outer plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220610679 CN203005534U (en) | 2012-11-16 | 2012-11-16 | Automobile girder outer plate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203005534U true CN203005534U (en) | 2013-06-19 |
Family
ID=48597152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220610679 Expired - Fee Related CN203005534U (en) | 2012-11-16 | 2012-11-16 | Automobile girder outer plate structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203005534U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108367786A (en) * | 2015-12-09 | 2018-08-03 | 安赛乐米塔尔公司 | Vehicle front-body structure and its manufacturing method |
| CN109131576A (en) * | 2018-08-03 | 2019-01-04 | 武汉理工大学 | A kind of continuous intensity adjustable front rail structure |
| CN114802446A (en) * | 2021-01-19 | 2022-07-29 | 宝山钢铁股份有限公司 | Differential-strength-difference thick hot-stamped automobile front longitudinal beam and preparation method and die thereof |
-
2012
- 2012-11-16 CN CN 201220610679 patent/CN203005534U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108367786A (en) * | 2015-12-09 | 2018-08-03 | 安赛乐米塔尔公司 | Vehicle front-body structure and its manufacturing method |
| CN109131576A (en) * | 2018-08-03 | 2019-01-04 | 武汉理工大学 | A kind of continuous intensity adjustable front rail structure |
| CN114802446A (en) * | 2021-01-19 | 2022-07-29 | 宝山钢铁股份有限公司 | Differential-strength-difference thick hot-stamped automobile front longitudinal beam and preparation method and die thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20201116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |