CN103707938A - Automobile cab - Google Patents
Automobile cab Download PDFInfo
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- CN103707938A CN103707938A CN201310755394.7A CN201310755394A CN103707938A CN 103707938 A CN103707938 A CN 103707938A CN 201310755394 A CN201310755394 A CN 201310755394A CN 103707938 A CN103707938 A CN 103707938A
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- floor
- welded
- assembly
- central post
- automobile cab
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Abstract
The invention provides an automobile cab. The automobile cab comprises a threshold assembly, a side wall assembly and a floor assembly, wherein the threshold assembly is of a square cavity structure which is formed by an inner threshold body and an outer reinforcing plate in a welded mode, the side wall assembly is provided with a front vertical column, a middle vertical column and a rear vertical column, and the floor assembly comprises a front floor metal plate, a rear floor metal plate, a middle cross beam connected with the front floor metal plate and the rear floor metal plate, a front cross beam welded to the front end of the front floor metal plate and a rear cross beam welded to the rear end of the rear floor metal plate. The threshold assembly is welded to the floor assembly. The threshold assembly is welded to the side wall assembly at the positions corresponding to the front vertical column, the middle vertical column and the rear vertical column. A front floor reinforcing beam is welded to the position, corresponding to the middle vertical column, of the inner threshold body. A rear floor reinforcing beam is welded behind the front floor reinforcing beam. The front floor reinforcing beam is connected with the middle cross beam in a welded mode. The rear floor reinforcing beam is connected with the rear floor metal plate in a welded mode. According to the automobile cab, the stress performance is improved.
Description
Technical field
The present invention relates to automobile manufacturing field, be specifically related to the structure of automobile cab.
Background technology
Body sill is the framing member that connects gusset bottom and floor assembly.When operator's compartment is subject to side collision, threshold need to bear great role power, prevents the distortion of operator's compartment side, and protection occupant safety tool is played a very important role; In Vehicle Driving Cycle process, in order to guarantee that operator's compartment meets reliability and load requirement, the power actv. that threshold need to bear floor passes, thereby can guarantee vehicle body to there will not be stress raisers and cause operator's compartment cracking.
Existing body structure, threshold connection floor and gusset A-pillar, central post assembly, be not connected with gusset rear column, causes when side collision, and the power of car body bottom cannot obtain actv. transmission by threshold, and gusset distortion is serious, affects occupant safety.
Existing body sill beam is designed to closed " mouth " type cavity structure mostly, has the insufficient rigidity of threshold, the defect that its bending-twisting performance does not meet the demands.If by increasing brace panel on inner whole section of threshold, can effectively improve the bending rigidity of vehicle, but vehicle out of reach lightweight target affects fuel economy.
Summary of the invention
The object of the invention is to overcome above-mentioned shortcoming, provide a kind of stress-bearing capability better automobile cab, meet anti-side collision, the stressed transmission in floor and weight-saving requirement simultaneously.
For achieving the above object, embodiments of the invention provide following technical scheme:
An automobile cab, comprising: threshold assembly, and described threshold assembly forms " mouth " type cavity structure by inner door sill body and external reinforcing plate for car welding; Side wall assembly, described side wall assembly has A-pillar, central post and rear column; Floor assembly, described floor assembly comprises front floor panel beating, rear floor panel beating, connect the center member of described front floor panel beating and rear floor panel beating, be welded on described front floor panel beating front end front cross rail, be welded on the after cross member of panel beating rear end, described rear floor; Described threshold assembly is welded to connect described floor assembly, and described threshold assembly is welded to connect in the described A-pillar of correspondence, central post and rear column position and described side wall assembly; On described inner door sill body, the position of corresponding described central post is welded with front floor reinforcement beam, at described front floor reinforcement beam rear, is welded with back-floor reinforcement beam; Described front floor reinforcement beam and described center member are welded to connect, and described back-floor reinforcement beam and described rear floor panel beating are welded to connect.
Preferably, described inner door sill body is formed by leading portion and back segment welding, and in position of weld, place is provided with central post connecting panel, and the width of described central post connecting panel is greater than the width of described leading portion and described back segment.
Preferably, described back segment rear end is welded with rear column connecting panel, and the width of described rear column connecting panel is greater than the width of described leading portion, described back segment and described central post connecting panel.
Preferably, described external reinforcing plate for car is formed by front brace panel and the welding of rear brace panel, towards described cavity one side, corresponding to described central post position, is provided with Z-shaped brace panel.
Preferably, on described external reinforcing plate for car, towards described cavity one side, corresponding to described A-pillar position, be provided with front end brace panel.
Preferably, at described leading portion, towards described cavity one side, be provided with Troffer.
Preferably, described Z-shaped brace panel arranges in pairs and forms the second box-like structure.
Preferably, described front end brace panel arranges in pairs and forms the first box-like structure.
Preferably, described Troffer arranges in pairs and forms the 3rd box-like structure.
Preferably, described threshold assembly is welded to connect front cross rail, center member, the after cross member of described floor assembly, and position of weld difference corresponding described A-pillar, described central post and described rear column.
In embodiments of the invention, threshold assembly adopts " mouth " type cavity structure, kept lightweight, while threshold assembly and gusset A-pillar, central post and rear column all exist and are welded to connect, and be welded to connect at front floor reinforcement beam and the center member of the position with central post welding, and the back-floor reinforcement beam at its rear and rear floor panel beating are welded to connect, therefore on the length direction of threshold assembly, the intensity of central post position is the highest, and it is relatively low in the position intensity of closing on A-pillar and rear column, when side collision, the deflection of central post is reduced on the one hand, power can be along threshold assembly towards front on the other hand, transmit at rear, via back-floor reinforcement beam, be distributed on the panel beating of floor, reduced the risk of car body strain cracking, protect front-seat passenger and rear row passenger simultaneously, in the process of moving, the power that floor is subject to can be passed to A-pillar, central post and rear column by threshold assembly, then towards body top section transmission.
Further, because threshold assembly is generally longer, so inner door sill body is formed and has been reduced difficulty of processing by leading portion and back segment welding, simultaneously the strongest with regard to the weld intensity of two sections of inner door sill bodies itself, in this position, central post connecting panel is set, itself also can play brace panel effect central post connecting panel, and while central post connecting panel has larger width and is conducive to absorb broadside impact power.
Further, rear column connecting panel has maximum width, is conducive to the dispersion transmission of the power that in driving process, floor is subject to.
Further, external reinforcing plate for car employing two sectional type welded structure and middle Z-shaped brace panel have also played and have made threshold assembly in the highest effect of central post place intensity.
Further, front end brace panel and Troffer all can play the effect that improves weakness intensity, can not cause significantly improving of threshold assembly quality simultaneously.
Further, the present invention has adopted box-like structure not only to play the booster action of weak location at ad-hoc location, also helps the decay in broadside impact power transmittance process, and can not significantly improve threshold assembly quality.
Further, threshold assembly with before, during and after beam welding, and before, during and after column before, during and after the correspondence of crossbeam position, be conducive to improve the anti-broadside impact ability of three columns of gusset.
Accompanying drawing explanation
Next in connection with accompanying drawing, the specific embodiment of the present invention is described in further detail, wherein:
Fig. 1 is the automobile cab partial exploded view of embodiments of the invention;
Fig. 2 is the exploded view of the threshold assembly in Fig. 1;
Fig. 3 is that the R of the external reinforcing plate for car in Fig. 2 is to view;
Fig. 4 is the axonometric drawing of the external reinforcing plate for car in Fig. 3;
Fig. 5 is that the S of the inner door sill body in Fig. 2 is to view;
Fig. 6 is the axonometric drawing of the inner door sill body in Fig. 5.
Description of symbols in upper figure: threshold assembly 1, side wall assembly 2, floor assembly 3, front floor reinforcement beam 101, back-floor reinforcement beam 102, inner door sill body 103, external reinforcing plate for car 104, central post connecting panel 105, rear column connecting panel 106, the first box-like structure 107, the second box-like structure 108, the 3rd box-like structure 109, leading portion 1031, back segment 1032, Troffer 1033, front brace panel 1041, rear brace panel 1042, Z-shaped brace panel 1043, front end brace panel 1044, front floor panel beating 201, center member 202, rear floor panel beating 203, front cross rail 204, after cross member 205, A-pillar 301, central post 302, rear column 303.
The specific embodiment
With reference to figure 1, the part that it shows automobile cab, comprises threshold assembly 1, floor assembly 2 and side wall assembly 3.Floor assembly 2 comprise center member 202 and the front floor panel beating 201 that is welded to connect with center member 202 and, rear floor panel beating 203,, front cross rail 204, center member 202, after cross member 205.Center member 202 connects front floor panel beating 201 and rear floor panel beating 203, front cross rail 204 is welded on front floor panel beating 201 front ends, after cross member 205 is welded on panel beating 203 rear ends, rear floor, front cross rail 204, center member 202 and after cross member 205 have formed the skeleton of floor assembly 2, have improved the bulk strength of floor assembly 2.Side wall assembly 3 has A-pillar (A post) 301, central post (B post) 302 and rear column (C post) 303.Threshold assembly 1 is welded to connect floor assembly 2 and side wall assembly 3, and threshold assembly 1 all exists with side wall assembly 3 relation that is welded to connect in the position of corresponding A-pillar 301, central post 302 and rear column 303.As a preferred version, the position of the front cross rail 204 of floor assembly 2, center member 202 and after cross member 205 is distinguished the position of corresponding A-pillar 301, central post 302 and rear column 303 just, and both threshold assembly 1 was identical or adjacent with the position that side wall assembly 3, floor assembly 2 are welded to connect.
With reference to figure 2, threshold assembly 1 forms " mouth " type cavity structure by inner door sill body 103 and external reinforcing plate for car 104 welding, should " mouth " type cavity structure be automobile door sill common structure, in figure, is no longer shown specifically.On inner door sill body 103, be welded with front floor reinforcement beam 101, plate strength beam 101 rears are welded with back-floor reinforcement beam 102 previously.
In conjunction with Fig. 1, Fig. 2, after having welded, the position of the corresponding central post 302 of front floor reinforcement beam 101, and front floor reinforcement beam 101 is to be welded on center member 202, and back-floor reinforcement beam 102 is welded on rear floor panel beating 203.When side collision, in central post 302 positions, power is transmitted towards threshold assembly 1, front floor reinforcement beam 101 and center member 202 via gusset 3, the intensity at this place is the highest, and in the position of closing on A-pillar 301 and rear column 303, power through gusset 3 towards threshold assembly 1, front cross rail 204, front floor panel beating 201 and after cross member 205, after floor panel beating 203 places transmit, the intensity at two positions place is relatively low.Like this; the deflection of central post 302 is reduced; and broadside impact power is easily transmitted towards forward and backward side along threshold assembly 1; via back-floor reinforcement beam 102, front cross rail 204, after cross member 205 or be directly distributed on the panel beating of floor on 201,203; reduce the risk of car body strain cracking, protected front-seat passenger and rear row passenger simultaneously.And in the process of moving, the power that floor assembly 2 is subject to can be passed to A-pillar 301, central post 302 and rear column 303 by threshold assembly 1, then along side wall assembly 3 towards body top section transmission.
In conjunction with Fig. 3, Fig. 4, because threshold assembly 1 length is longer, so external reinforcing plate for car 104 is formed by front brace panel 1041 and 1042 welding of rear brace panel.External reinforcing plate for car 104 towards cavity one side, the position being welded to connect corresponding to threshold assembly 1 and central post 302 is provided with Z-shaped brace panel 1043, and Z-shaped brace panel 1043 is paired settings, two Z-shaped brace panels 1043 have formed the second box-like structure 108 jointly with external reinforcing plate for car 104, inner door sill body 103.Simultaneously, on external reinforcing plate for car 104 towards a side of cavity, corresponding to threshold assembly 1 and A-pillar 301, be welded to connect position and be provided with front end brace panel 1044, and front end brace panel 1044 arranges in pairs, two front end brace panels 1044 have formed the first box-like structure 107 jointly with external reinforcing plate for car 104, inner door sill body 103.
In conjunction with Fig. 5, Fig. 6, inner door sill body 103 is formed by leading portion 1031 and back segment 1032 welding, and in position of weld, place is provided with central post connecting panel 105, and the width of central post connecting panel 105 is greater than the width of leading portion 1031 and back segment 1032.Although it should be understood by one skilled in the art that at this and specifically do not limit the length of central post connecting panel 105 on fore-and-aft direction, its length should be advisable with the requirement of strength that is welded to connect of central post 302 with assurance central post connecting panel 105.Central post connecting panel 105 has larger width and means that it can absorb broadside impact energy better.In the rear end of back segment 1032, be welded with rear column connecting panel 106, and the width of rear column connecting panel 106 is greater than the width of leading portion 1031, back segment 1032 and central post connecting panel 105.At leading portion 1031, towards cavity one side, be provided with in couples Troffer 1033, Troffer 1033 has formed the 3rd box-like structure 109 jointly with external reinforcing plate for car 104, inner door sill body 103.
From the above, on threshold assembly 1, corresponding A-pillar 301, near rear column 303, and corresponding central post 302 places, three box-like structures have been formed, these three box-like structures can be separately or have been used in combination to improve the structural strength of threshold assembly 1, and first, the 3rd box- like structure 107, 109 lay respectively at the weakest before, near rear column, the second box-like structure 108 is positioned at central post 302 positions that intensity is the strongest, this kind of layout type both improved the bending rigidity of whole threshold assembly 1, and be still easy to side impact force and transmit forwards, backwards from central post 302, and in normal driving process, can absorb the power of floor assembly 2.
Although the present invention is described in conjunction with above embodiment, but the present invention is not limited to above-described embodiment, and being only subject to the restriction of claim, those of ordinary skills can easily modify and change above embodiment, but do not leave essence design of the present invention and scope.
Claims (10)
1. an automobile cab, is characterized in that, comprising:
Threshold assembly, described threshold assembly forms " mouth " type cavity structure by inner door sill body and external reinforcing plate for car welding;
Side wall assembly, described side wall assembly has A-pillar, central post and rear column;
Floor assembly, described floor assembly comprises front floor panel beating, rear floor panel beating, connect the center member of described front floor panel beating and rear floor panel beating, be welded on described front floor panel beating front end front cross rail, be welded on the after cross member of panel beating rear end, described rear floor;
Described threshold assembly is welded to connect described floor assembly, and described threshold assembly is welded to connect in the described A-pillar of correspondence, central post and rear column position and described side wall assembly; On described inner door sill body, the position of corresponding described central post is welded with front floor reinforcement beam, at described front floor reinforcement beam rear, is welded with back-floor reinforcement beam; Described front floor reinforcement beam and described center member are welded to connect, and described back-floor reinforcement beam and described rear floor panel beating are welded to connect.
2. automobile cab according to claim 1, it is characterized in that, described inner door sill body is formed by leading portion and back segment welding, and in position of weld, place is provided with central post connecting panel, and the width of described central post connecting panel is greater than the width of described leading portion and described back segment.
3. automobile cab according to claim 2, is characterized in that, described back segment rear end is welded with rear column connecting panel, and the width of described rear column connecting panel is greater than the width of described leading portion, described back segment and described central post connecting panel.
4. automobile cab according to claim 1, is characterized in that, described external reinforcing plate for car is formed by front brace panel and the welding of rear brace panel, towards described cavity one side, corresponding to described central post position, is provided with Z-shaped brace panel.
5. automobile cab according to claim 1, is characterized in that, on described external reinforcing plate for car, towards described cavity one side, corresponding to described A-pillar position, is provided with front end brace panel.
6. automobile cab according to claim 2, is characterized in that, at described leading portion, towards described cavity one side, is provided with Troffer.
7. automobile cab according to claim 4, is characterized in that, described Z-shaped brace panel arranges in pairs and forms the second box-like structure.
8. automobile cab according to claim 5, is characterized in that, described front end brace panel arranges in pairs and forms the first box-like structure.
9. automobile cab according to claim 6, is characterized in that, described Troffer arranges in pairs and forms the 3rd box-like structure.
10. automobile cab according to claim 1, is characterized in that, described threshold assembly is welded to connect front cross rail, center member, the after cross member of described floor assembly, and position of weld difference corresponding described A-pillar, described central post and described rear column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310755394.7A CN103707938B (en) | 2013-12-31 | 2013-12-31 | A kind of automobile cab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310755394.7A CN103707938B (en) | 2013-12-31 | 2013-12-31 | A kind of automobile cab |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103707938A true CN103707938A (en) | 2014-04-09 |
| CN103707938B CN103707938B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310755394.7A Active CN103707938B (en) | 2013-12-31 | 2013-12-31 | A kind of automobile cab |
Country Status (1)
| Country | Link |
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| CN (1) | CN103707938B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019001493A1 (en) * | 2017-06-30 | 2019-01-03 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
| CN114715285A (en) * | 2022-04-19 | 2022-07-08 | 岚图汽车科技有限公司 | New forms of energy automobile threshold stiffening beam |
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| US8177293B2 (en) * | 2007-04-20 | 2012-05-15 | Honda Motor Co., Ltd. | Vehicle frame assembly, system and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019001493A1 (en) * | 2017-06-30 | 2019-01-03 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
| US11225291B2 (en) | 2017-06-30 | 2022-01-18 | Byd Company Limited | Vehicle body structure and vehicle |
| CN114715285A (en) * | 2022-04-19 | 2022-07-08 | 岚图汽车科技有限公司 | New forms of energy automobile threshold stiffening beam |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103707938B (en) | 2016-08-24 |
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Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
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