CN104986225A - Vehicle body A-column bottom connection structure - Google Patents
Vehicle body A-column bottom connection structure Download PDFInfo
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- CN104986225A CN104986225A CN201510305958.6A CN201510305958A CN104986225A CN 104986225 A CN104986225 A CN 104986225A CN 201510305958 A CN201510305958 A CN 201510305958A CN 104986225 A CN104986225 A CN 104986225A
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- connecting panel
- flange
- vehicle body
- connection structure
- column bottom
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Abstract
The invention relates to the technical field of body structures of cars, and discloses a vehicle body A-column bottom connection structure. The vehicle body A-column bottom connection structure is characterized by comprising a first connection plate, a second connection plate, a longitudinal beam, a vehicle body A-column and a cross beam which are connected into the shape of a box, wherein the front ends of the first connection plate and the second connection plate are fixedly connected with the longitudinal beam; the rear ends of the first connection plate and the second connection plate are fixedly connected with the body A-column; the top ends of the first connection plate and the second connection plate are fixedly connected with the cross beam. The connection structure is in the form of a torque box, thus the impact strength and torsional rigidity of joints are effectively improved, and the vehicle safety and comfort are enhanced.
Description
Technical field
The present invention relates to automotive body structure technical field, particularly relate to a kind of vehicle body A column bottom connection structure.
Background technology
Auto body A post is the joint pin that vehicle left front or right front connect roof and front deck.The connection structure of vehicle body A column bottom and longeron directly affects the side impact result of automobile, so this connection structure needs to possess enough intensity; In addition, between vehicle body A column bottom and longeron, the rigidity of connection structure has a great impact the overall torsional stiffness of vehicle body, and body torsional rigdity performance is the important factor in order of auto NVH traveling comfort.Therefore, the connection structure of vehicle body A column bottom has important impact to the safety of car load and traveling comfort.
At present, vehicle body A post adopts single-skin panel structure to be connected with longeron usually, and single-skin panel one end connects vehicle body A post, other end longitudinal beam connected; Thick or use high-strength plate to improve Joint strenght and rigidity by increasing body part material, but this can increase weight and the cost of car load; Further, this mode does not form good impact force bang path, therefore to increase side collision strength and body torsional rigdity effect little.
Therefore, those skilled in the art need to improve the connection structure of vehicle body A column bottom and longeron, to improve the above-mentioned problems in the prior art.
Summary of the invention
The object of the present invention is to provide a kind of vehicle body A column bottom connection structure, it has higher side collision strength and body torsional rigdity, to improve safety and the traveling comfort of car load.
To achieve these goals, the invention provides following technical scheme:
A kind of vehicle body A column bottom connection structure, comprise the first connecting panel, the second connecting panel, longeron, vehicle body A post and the crossbeam that connect into box body shape, wherein, described first connecting panel is all fixedly connected with described longeron with the front end of described second connecting panel, described first connecting panel is all fixedly connected with described vehicle body A post with the rear end of described second connecting panel, and described first connecting panel is all fixedly connected with described crossbeam with the top of described second connecting panel.
Preferably, described first connecting panel and described second connecting panel be arranged in parallel.
Preferably, described vehicle body A column bottom connection structure also comprises the stay bearing plate between described first connecting panel and described second connecting panel, one end of described stay bearing plate is provided with the first flange be fixedly connected with the medial surface of described first connecting panel, and the relative other end is provided with the second flange be fixedly connected with the medial surface of described second connecting panel.
Preferably, the circumferential edge of described first connecting panel is equipped with the 3rd flange, wherein described 3rd flange of front end and described longitudinal beam welding, and described 3rd flange of rear end welds with described vehicle body A post.
Preferably, the circumferential edge of described second connecting panel is equipped with the 4th flange, wherein described 4th flange of front end and described longitudinal beam welding, and described 4th flange of rear end welds with described vehicle body A post.
Preferably, the bottom of described stay bearing plate is provided with the 5th flange, described 5th flange respectively with described 3rd flange of described first connecting panel bottom, described 4th flanging welded of described second connecting panel bottom.
Preferably, the first side of described crossbeam is welded with the medial surface of described first connecting panel, is positioned at the 6th flange of described first lateral end and described 3rd flanging welded on described first connecting panel top; Second side of described crossbeam is welded with the medial surface of described second connecting panel, is positioned at the 7th flange of described second lateral end and described 4th flanging welded on described second connecting panel top.
Preferably, described first connecting panel is provided with many groups the first reinforced rib, and described first reinforced rib is protruding to the direction away from described second connecting panel.
Preferably, described second connecting panel is provided with many groups the second reinforced rib and boss, and described boss is provided with the 3rd reinforced rib, and described second reinforced rib is all identical with the protrusion direction of described first reinforced rib with described 3rd reinforced rib.
Preferably, described stay bearing plate is provided with many groups the 4th reinforced rib.
The invention provides a kind of novel vehicle body A column bottom connection structure, according to the position relationship of longeron, crossbeam and vehicle body A post, by two pieces of connecting panels, longeron, crossbeam and vehicle body A post are linked together, a closed moment of torsion box structure is formed in the bottom of vehicle body A post, particularly, described first connecting panel is all fixedly connected with longeron with the front end of described second connecting panel, described first connecting panel is all fixedly connected with vehicle body A post with the rear end of described second connecting panel, and described first connecting panel is all fixedly connected with crossbeam with the top of described second connecting panel.Compared with the mode only connected with longeron by veneer with vehicle body A post in prior art, the moment of torsion box structure closed is more conducive to the transmission of power, thus improve side collision strength and the torsional stiffness of junction, improve safety and the traveling comfort of vehicle, and complete vehicle weight and cost can not be increased.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, being briefly described to the accompanying drawing used required in embodiment below, and will being described in further detail specific embodiments of the invention by reference to the accompanying drawings, wherein:
The schematic diagram of the vehicle body A column bottom connection structure that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the partial schematic diagram of vehicle body A column bottom connection structure in Fig. 1;
Fig. 3 is the first exploded view of body bottom connection structure in Fig. 1;
Fig. 4 is the second exploded view of vehicle body A column bottom connection structure in Fig. 1.
Label declaration wherein in above-mentioned accompanying drawing is as follows:
1-first connecting panel, 2-second connecting panel, 3-longeron, 4-vehicle body A post, 5-crossbeam, 6-stay bearing plate;
11-the 3rd flange, 12-first reinforced rib;
21-the 4th flange, 22-second reinforced rib, 23-boss, 24-the 3rd reinforced rib;
51-the 6th flange, 52-the 7th flange;
61-first flange, 62-second flange, 63-the 5th flange, 64-the 4th reinforced rib.
Detailed description of the invention
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with specific embodiment, this programme is further detailed.
With reference to figure 1 and Fig. 2, the invention provides a kind of novel vehicle body A column bottom connection structure, comprise the first connecting panel 1, second connecting panel 2, longeron 3, vehicle body A post 4 and the crossbeam 5 that connect into box body shape, wherein, described first connecting panel 1 is all fixedly connected with described longeron 3 with the front end of described second connecting panel 2, described first connecting panel 1 is all fixedly connected with described vehicle body A post 4 with the rear end of described second connecting panel 2, and described first connecting panel 1 is all fixedly connected with described crossbeam 5 with the top of described second connecting panel 2.
Compared with prior art, except described longeron 3 and described vehicle body A post 4, also using the part of described crossbeam 5 as connection structure, simultaneously by two pieces of connecting panels, described longeron 3, described vehicle body A post 4 and described crossbeam 5 are connected into box body structure, makes connection structure constitute moment of torsion box, thus improve side impact and reverse stressed bang path, be beneficial to the side collision strength and body torsional rigdity that strengthen junction, make vehicle possess better safety and traveling comfort.Meanwhile, this connection structure is simple, without the need to blocked up car body component or special high strength plate, is beneficial to cost-saving and car load lightweight.
Preferably, described first connecting panel 1 be arranged in parallel with described second connecting panel 2, makes described vehicle body A column bottom connection structure be rectangular box structure, conveniently arranges and fix, be also beneficial to the intensity improving each attaching parts.
With reference to figure 3 and Fig. 4, in the present embodiment, described vehicle body A column bottom connection structure also comprises the stay bearing plate 6 between described first connecting panel 1 and described second connecting panel 2, to improve the intensity of whole connection structure further.Particularly, the both sides that described stay bearing plate 6 is relative are respectively equipped with the first flange 61 and the second flange 62, wherein said first flange 61 is fixedly connected with the medial surface of described first connecting panel 1, and described second flange 62 is fixedly connected with the medial surface of described second connecting panel 2, and all preferred weld is fixed.
In addition, conveniently fix and ensure fixed, described first connecting panel 1 and described second connecting panel 2 all adopt flange form to be connected with described longeron 3, described crossbeam 5.Particularly, the circumferential edge of described first connecting panel 1 is equipped with the 3rd flange 11, and wherein described 3rd flange 11 of front end welds with described longeron 3, and described 3rd flange 11 of rear end welds with described vehicle body A post 4.
Further, the circumferential edge of described second connecting panel 2 is equipped with the 4th flange 21, and wherein described 4th flange 21 of front end welds with described longeron 3, and described 4th flange 21 of rear end welds with described vehicle body A post 4.
Preferably, the bottom of described stay bearing plate 6 is also provided with the 5th flange 63, described 5th flange 63 welds with described 3rd flange 11 of described first connecting panel 1 bottom, described 4th flange 21 of described second connecting panel 2 bottom respectively, to ensure the reliability that described stay bearing plate 6 connects, and optimize the stressed of described stay bearing plate 6, prevent when colliding or reverse, described stay bearing plate 6 distribution of stress is uneven and rupture.
In the present embodiment, described crossbeam 5 is preferably U-lag structure, and described crossbeam 5 is relatively respectively the first side and the second side in two sides, the end of described first side is provided with the 6th flange 51, the end of described second side is provided with the 7th flange 52, when connecting, described first side is welded with the medial surface of described first connecting panel 1, and described 6th flange 51 welds with described 3rd flange 11 on described first connecting panel 1 top; Described second side is welded with the medial surface of described second connecting panel 2, described 7th flange 52 welds with described 4th flange 21 on described second connecting panel 2 top, by being welded and fixed while face of weld and welding flange, can ensure that crossbeam 5 and connecting panel are fixed.
On the basis of the above-mentioned technical solutions of this embodiment, described first connecting panel 1 is also provided with many groups the first reinforced rib 12, described first reinforced rib 12 is protruding to the direction away from described second connecting panel 1; Described first reinforced rib 12 is kidney-shaped reinforced rib preferably, and described first reinforced rib of many groups be arranged in parallel along the line direction of the front and back end of described first connecting panel 1.
Further, described second connecting panel 2 is provided with many groups the second reinforced rib 22 and boss 23, described boss 22 is provided with the 3rd reinforced rib 24, and described second reinforced rib 22 and described 3rd reinforced rib 24 are all identical with the protrusion direction of described first reinforced rib 12, to coordinate vehicle body to reverse Impact direction, two pieces of connecting panels are made to possess the intensity of coupling mutually.
In addition, described stay bearing plate 6 is provided with many groups the 4th reinforced rib 64, and wherein described in one group, the 4th reinforced rib 64 is positioned at the center of described stay bearing plate 6, and described 4th reinforced rib 64 of all the other many groups along described stay bearing plate 6 circumferentially.
Structure of the present invention, feature and action effect is described in detail above according to graphic shown embodiment; the foregoing is only preferred embodiment of the present invention; but the present invention does not limit practical range with shown in drawing; every change done according to conception of the present invention; or be revised as the Equivalent embodiments of equivalent variations; do not exceed yet specification sheets with diagram contain spiritual time, all should in protection scope of the present invention.
Claims (10)
1. a vehicle body A column bottom connection structure, it is characterized in that, comprise the first connecting panel (1) connecting into box body shape, second connecting panel (2), longeron (3), vehicle body A post (4) and crossbeam (5), wherein, described first connecting panel (1) is all fixedly connected with described longeron (3) with the front end of described second connecting panel (2), described first connecting panel (1) is all fixedly connected with described vehicle body A post (4) with the rear end of described second connecting panel (2), and described first connecting panel (1) is all fixedly connected with described crossbeam (5) with the top of described second connecting panel (2).
2. vehicle body A column bottom according to claim 1 connection structure, is characterized in that, described first connecting panel (1) and described second connecting panel (2) be arranged in parallel.
3. vehicle body A column bottom according to claim 2 connection structure, it is characterized in that, also comprise the stay bearing plate (6) be positioned between described first connecting panel (1) and described second connecting panel (2), one end of described stay bearing plate (6) is provided with the first flange (61) be fixedly connected with the medial surface of described first connecting panel (1), and the relative other end is provided with the second flange (62) be fixedly connected with the medial surface of described second connecting panel (2).
4. vehicle body A column bottom according to claim 3 connection structure, it is characterized in that, the circumferential edge of described first connecting panel (1) is equipped with the 3rd flange (11), wherein described 3rd flange (11) of front end welds with described longeron (3), and described 3rd flange (11) of rear end welds with described vehicle body A post (4).
5. the vehicle body A column bottom connection structure according to claim 3 or 4, it is characterized in that, the circumferential edge of described second connecting panel (2) is equipped with the 4th flange (21), wherein described 4th flange (21) of front end welds with described longeron (3), and described 4th flange (21) of rear end welds with described vehicle body A post (4).
6. vehicle body A column bottom according to claim 5 connection structure, it is characterized in that, the bottom of described stay bearing plate (6) is provided with the 5th flange (63), and described 5th flange (63) is welded and fixed with described 3rd flange (11) of described first connecting panel (1) bottom, described 4th flange (21) of described second connecting panel (2) bottom respectively.
7. vehicle body A column bottom according to claim 6 connection structure, it is characterized in that, first side of described crossbeam (5) is welded with the medial surface of described first connecting panel (1), and described 3rd flange (11) of the 6th flange (51) and described first connecting panel (1) top that are positioned at described first lateral end welds; Second side of described crossbeam (5) is welded with the medial surface of described second connecting panel (2), and described 4th flange (21) of the 7th flange (52) and described second connecting panel (2) top that are positioned at described second lateral end welds.
8. vehicle body A column bottom according to claim 1 connection structure, it is characterized in that, described first connecting panel (1) is provided with many groups the first reinforced rib (12), and described first reinforced rib (12) is protruding to the direction away from described second connecting panel (1).
9. vehicle body A column bottom according to claim 8 connection structure, it is characterized in that, described second connecting panel (2) is provided with many groups the second reinforced rib (22) and boss (23), described boss (23) is provided with the 3rd reinforced rib (24), and described second reinforced rib (22) is all identical with the protrusion direction of described first reinforced rib (12) with described 3rd reinforced rib (24).
10. vehicle body A column bottom according to claim 9 connection structure, is characterized in that, described stay bearing plate (6) is provided with many groups the 4th reinforced rib (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510305958.6A CN104986225A (en) | 2015-06-03 | 2015-06-03 | Vehicle body A-column bottom connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510305958.6A CN104986225A (en) | 2015-06-03 | 2015-06-03 | Vehicle body A-column bottom connection structure |
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| Publication Number | Publication Date |
|---|---|
| CN104986225A true CN104986225A (en) | 2015-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510305958.6A Pending CN104986225A (en) | 2015-06-03 | 2015-06-03 | Vehicle body A-column bottom connection structure |
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| CN (1) | CN104986225A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106864595A (en) * | 2017-04-10 | 2017-06-20 | 上海蔚来汽车有限公司 | Connector, chassis assembly and electric automobile for vehicle frame |
| CN107985416A (en) * | 2017-12-08 | 2018-05-04 | 阿尔特汽车技术股份有限公司 | Front panel reinforcement structure |
| CN109421813A (en) * | 2017-08-24 | 2019-03-05 | 江苏锋驰汽车车身制造有限公司 | A kind of body structure of lightweight high-intensity |
| CN110550108A (en) * | 2019-07-26 | 2019-12-10 | 浙江飞碟汽车制造有限公司 | Underbody structure for a load-bearing vehicle body |
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| JPH11310160A (en) * | 1998-04-30 | 1999-11-09 | Daihatsu Motor Co Ltd | Cross member coupling structure of automobile |
| CN101054095A (en) * | 2007-05-30 | 2007-10-17 | 东风汽车公司 | Vehicle floor combined of truss girder and plate |
| DE102012001040A1 (en) * | 2012-01-20 | 2012-09-06 | Daimler Ag | Arrangement of longitudinal support structure in passenger car, has one longitudinal carrier portion provided in vehicle longitudinal direction, and connected to another longitudinal carrier portion and rear portion |
| CN104249776A (en) * | 2013-06-25 | 2014-12-31 | 铃木株式会社 | Vehicle body beam structure |
| CN204688224U (en) * | 2015-06-03 | 2015-10-07 | 安徽江淮汽车股份有限公司 | A kind of vehicle body A column bottom connection structure |
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2015
- 2015-06-03 CN CN201510305958.6A patent/CN104986225A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11310160A (en) * | 1998-04-30 | 1999-11-09 | Daihatsu Motor Co Ltd | Cross member coupling structure of automobile |
| CN101054095A (en) * | 2007-05-30 | 2007-10-17 | 东风汽车公司 | Vehicle floor combined of truss girder and plate |
| DE102012001040A1 (en) * | 2012-01-20 | 2012-09-06 | Daimler Ag | Arrangement of longitudinal support structure in passenger car, has one longitudinal carrier portion provided in vehicle longitudinal direction, and connected to another longitudinal carrier portion and rear portion |
| CN104249776A (en) * | 2013-06-25 | 2014-12-31 | 铃木株式会社 | Vehicle body beam structure |
| CN204688224U (en) * | 2015-06-03 | 2015-10-07 | 安徽江淮汽车股份有限公司 | A kind of vehicle body A column bottom connection structure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106864595A (en) * | 2017-04-10 | 2017-06-20 | 上海蔚来汽车有限公司 | Connector, chassis assembly and electric automobile for vehicle frame |
| CN106864595B (en) * | 2017-04-10 | 2021-02-09 | 上海蔚来汽车有限公司 | A connecting piece, frame subassembly and electric automobile for frame |
| CN109421813A (en) * | 2017-08-24 | 2019-03-05 | 江苏锋驰汽车车身制造有限公司 | A kind of body structure of lightweight high-intensity |
| CN107985416A (en) * | 2017-12-08 | 2018-05-04 | 阿尔特汽车技术股份有限公司 | Front panel reinforcement structure |
| CN110550108A (en) * | 2019-07-26 | 2019-12-10 | 浙江飞碟汽车制造有限公司 | Underbody structure for a load-bearing vehicle body |
| CN110550108B (en) * | 2019-07-26 | 2024-05-03 | 山东五征环保科技股份有限公司 | Vehicle body lower part structure for bearing type vehicle body |
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Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: Anhui Jianghuai Automotive Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151021 |