CN103707938B - A kind of automobile cab - Google Patents
A kind of automobile cab Download PDFInfo
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- CN103707938B CN103707938B CN201310755394.7A CN201310755394A CN103707938B CN 103707938 B CN103707938 B CN 103707938B CN 201310755394 A CN201310755394 A CN 201310755394A CN 103707938 B CN103707938 B CN 103707938B
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Abstract
The invention provides a kind of automobile cab, including: threshold assembly, described threshold assembly is welded by inner door sill body and external reinforcing plate for car and forms " mouth " type cavity structure；Side wall assembly, described side wall assembly has front column, central post and rear column；Floor assembly, described floor assembly includes front floor panel beating, rear floor panel beating, connects described front floor panel beating and the middle cross beam of rear floor panel beating, is welded on the front beam of panel beating front end, described front floor, welds the rear cross beam of floor panel beating rear end in the rear；Described threshold assembly is welded to connect described floor assembly, and described threshold assembly is welded to connect with described side wall assembly in corresponding described front column, central post and rear column position；On described inner door sill body, the position of corresponding described central post is welded with front floor reinforcement beam, is welded with back-floor reinforcement beam at described front floor reinforcement beam rear；Described front floor reinforcement beam is welded to connect with wherein the middle cross beam, and described back-floor reinforcement beam is welded to connect with described rear floor panel beating.Present invention improves the stress performance of automobile cab.
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 structural member connecting gusset bottom with floor assembly.When driver's cabin is by side collision, threshold needs to bear great role power, prevents driver's cabin side from deforming, and plays a very important role protection occupant safety tool；In vehicle travel process, in order to ensure that driver's cabin meets reliability and load requirement, threshold needs the power born on floor effectively to pass, it is thus possible to ensure vehicle body not have stress raisers and cause driver's cabin to ftracture.
Existing body structure, threshold connects floor and gusset front column, central post assembly, is not connected with gusset rear column, causes when side collision, and the power of lower car body effectively cannot be transmitted by threshold, and gusset deformation is serious, affects occupant safety.
Existing body sill beam is designed to closed " mouth " type cavity structure mostly, there is the insufficient rigidity of threshold, and its bending-twisting performance is unsatisfactory for the defect required.If by increasing reinforcing plate on internal whole section of threshold, the bending rigidity of vehicle can be effectively improved, but vehicle do not reaches lightweight target, affects fuel economy.
Summary of the invention
It is an object of the invention to overcome disadvantages mentioned above, it is provided that a kind of more preferable automobile cab of stress-bearing capability, meet anti-side collision, the transmission of floor stress and light-weighted requirement simultaneously.
For achieving the above object, The embodiment provides following technical scheme:
A kind of automobile cab, including: threshold assembly, described threshold assembly is welded by inner door sill body and external reinforcing plate for car and forms " mouth " type cavity structure；Side wall assembly, described side wall assembly has front column, central post and rear column；Floor assembly, described floor assembly includes front floor panel beating, rear floor panel beating, connects described front floor panel beating and the middle cross beam of rear floor panel beating, is welded on the front beam of panel beating front end, described front floor, welds the rear cross beam of floor panel beating rear end in the rear；Described threshold assembly is welded to connect described floor assembly, and described threshold assembly is welded to connect with described side wall assembly in corresponding described front column, central post and rear column position；On described inner door sill body, the position of corresponding described central post is welded with front floor reinforcement beam, is welded with back-floor reinforcement beam at described front floor reinforcement beam rear；Described front floor reinforcement beam is welded to connect with wherein the middle cross beam, and described back-floor reinforcement beam is welded to connect with described rear floor panel beating.
Preferably, described inner door sill body is welded by leading portion and back segment and is formed, and is provided with central post connecting plate at welding position, and the width of described central post connecting plate is more than described leading portion and the width of described back segment.
Preferably, described back segment rear end is welded with rear column connecting plate, and the width of described rear column connecting plate is more than described leading portion, described back segment and the width of described central post connecting plate.
Preferably, described external reinforcing plate for car is welded by front reinforcing plate and rear reinforcing plate and is formed, and towards described cavity side, described central post position is provided with Z-shaped reinforcing plate.
Preferably, towards described cavity side on described external reinforcing plate for car, described front column position is provided with front end reinforcing plate.
Preferably, at described leading portion towards described cavity side, it is provided with Troffer.
Preferably, described Z-shaped reinforcing plate is arranged in pairs formation the second box-like structure.
Preferably, described front end reinforcing plate is arranged in pairs formation the first box-like structure.
Preferably, described Troffer is arranged in pairs formation the 3rd box-like structure.
Preferably, described threshold assembly is welded to connect the front beam of described floor assembly, middle cross beam, rear cross beam, and welding position corresponding described front column, described central post and described rear column respectively.
In embodiments of the invention, threshold assembly uses " mouth " type cavity structure, maintain lightweight, threshold assembly and gusset front column simultaneously, central post and rear column all exist and are welded to connect, and the front floor reinforcement beam in the position welded with central post is welded to connect with middle cross beam, 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 closing on front column and rear column, when side collision, on the one hand the deflection of central post is reduced, on the other hand power can be along threshold assembly towards front, rear is transmitted, it is distributed on the panel beating of floor via back-floor reinforcement beam, reduce the risk of car body strain cracking, protection front passenger and rear passenger simultaneously；In the process of moving, the power that floor is subject to can be transferred to front column, central post and rear column by threshold assembly, then transmits towards body top section.
Further, owing to threshold assembly is the longest, so inner door sill body is welded to be formed by leading portion and back segment reduces difficulty of processing, for inner door sill body itself, the weld intensity of two sections is the strongest simultaneously, in this position, central post connecting plate is set, central post connecting plate itself also is able to play reinforcing plate effect, and central post connecting plate has bigger width beneficially absorption side collision power simultaneously.
Further, rear column connecting plate has Breadth Maximum, and beneficially in driving process, the dispersion of the power that floor is subject to is transmitted.
Further, external reinforcing plate for car uses the Z-shaped reinforcing plate of two-part Welding Structure and centre to also play the effect the highest so that threshold assembly intensity at central post.
Further, front end reinforcing plate and Troffer all can play the effect improving weakness intensity, do not result in significantly improving of threshold assembly quality simultaneously.
Further, the present invention have employed box-like structure at ad-hoc location and not only acted as the booster action of weak location, also helps the decay in side collision power transmittance process, and will 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 the anti-side improving three columns of gusset to collision energy.
Accompanying drawing explanation
Next the detailed description of the invention of the present invention is described in further detail combining accompanying drawing, wherein:
Fig. 1 is the automobile cab partial exploded view of embodiments of the invention；
Fig. 2 is the explosive view of the threshold assembly in Fig. 1；
Fig. 3 is the R direction view of the external reinforcing plate for car in Fig. 2；
Fig. 4 is the axonometric drawing of the external reinforcing plate for car in Fig. 3；
Fig. 5 is the S direction view of the inner door sill body in Fig. 2；
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 3, floor assembly 2, front floor reinforcement beam 101, back-floor reinforcement beam 102, inner door sill body 103, external reinforcing plate for car 104, central post connecting plate 105, rear column connecting plate 106, first box-like structure 107, second box-like structure 108, 3rd box-like structure 109, leading portion 1031, back segment 1032, Troffer 1033, front reinforcing plate 1041, rear reinforcing plate 1042, Z-shaped reinforcing plate 1043, front end reinforcing plate 1044, front floor panel beating 201, middle cross beam 202, rear floor panel beating 203, front beam 204, rear cross beam 205, front column 301, central post 302, rear column 303.
Detailed description of the invention
With reference to Fig. 1, it illustrates a part for automobile cab, including threshold assembly 1, floor assembly 2 and side wall assembly 3.Floor assembly 2 include middle cross beam 202 and the front floor panel beating 201 being welded to connect with middle cross beam 202 and, rear floor panel beating 203, front beam 204, middle cross beam 202, rear cross beam 205.Middle cross beam 202 connects front floor panel beating 201 and rear floor panel beating 203, front beam 204 is welded on panel beating 201 front end, front floor, rear cross beam 205 is welded on panel beating 203 rear end, rear floor, front beam 204, middle cross beam 202 and rear cross beam 205 constitute the skeleton of floor assembly 2, improve the bulk strength of floor assembly 2.Side wall assembly 3 has front column (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 is all welded to connect relation with side wall assembly 3 existence in the position of corresponding front column 301, central post 302 and rear column 303.As a preferred version, the position of the front beam 204 of floor assembly 2, middle cross beam 202 and rear cross beam 205 the most corresponding front column 301, central post 302 and the position of rear column 303 just, 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 Fig. 2, threshold assembly 1 is welded by inner door sill body 103 and external reinforcing plate for car 104 and forms " mouth " type cavity structure, should " mouth " type cavity structure be automobile door sill common structure, and no longer be shown specifically in figure.On inner door sill body 103, it is welded with front floor reinforcement beam 101, is welded with back-floor reinforcement beam 102 at front floor reinforcement beam 101 rear.
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 welded onto on middle cross beam 202, and back-floor reinforcement beam 102 is welded on rear floor panel beating 203.When side collision, in central post 302 position, power is transmitted towards threshold assembly 1, front floor reinforcement beam 101 and middle cross beam 202 via gusset 3, intensity at this is the highest, and closing on front column 301 and the position of rear column 303, power through gusset 3 towards threshold assembly 1, front beam 204, front floor panel beating 201 and rear cross beam 205, after transmit at floor panel beating 203, the intensity at two positions is relatively low.So; the deflection of central post 302 is reduced; and side collision power is transmitted towards forward and backward side readily along threshold assembly 1; via back-floor reinforcement beam 102, front beam 204, rear cross beam 205 or be dispersed directly on the panel beating of floor on 201,203; reduce the risk of car body strain cracking, simultaneously protection front passenger and rear passenger.And, in the process of moving, the power that floor assembly 2 is subject to can be transferred to front column 301, central post 302 and rear column 303 by threshold assembly 1, transmits towards body top section further along side wall assembly 3.
In conjunction with Fig. 3, Fig. 4, owing to threshold assembly 1 length is longer, therefore external reinforcing plate for car 104 is welded formed by front reinforcing plate 1041 and rear reinforcing plate 1042.At external reinforcing plate for car 104 towards cavity side, the position being welded to connect corresponding to threshold assembly 1 and central post 302 is provided with Z-shaped reinforcing plate 1043, and Z-shaped reinforcing plate 1043 is to be arranged in pairs, two Z-shaped reinforcing plates 1043 together form the second box-like structure 108 with external reinforcing plate for car 104, inner door sill body 103.Simultaneously, towards the side of cavity on external reinforcing plate for car 104, it is welded to connect position corresponding to threshold assembly 1 and front column 301 and is provided with front end reinforcing plate 1044, and front end reinforcing plate 1044 is arranged in pairs, two front end reinforcing plates 1044 together form the first box-like structure 107 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 welded formed by leading portion 1031 and back segment 1032, is provided with central post connecting plate 105, and the width of central post connecting plate 105 is more than leading portion 1031 and the width of back segment 1032 at welding position.Although it should be understood by one skilled in the art that length central post connecting plate 105 being not particularly limited at this in the longitudinal direction, but its length should be advisable with the requirement of strength that is welded to connect of guarantee central post connecting plate 105 with central post 302.Central post connecting plate 105 has bigger width and means that it can preferably absorb side collision energy.It is welded with rear column connecting plate 106 in the rear end of back segment 1032, and the width of rear column connecting plate 106 is more than leading portion 1031, back segment 1032 and the width of central post connecting plate 105.At leading portion 1031 towards cavity side, being arranged in pairs Troffer 1033, Troffer 1033 and external reinforcing plate for car 104, inner door sill body 103 together form the 3rd box-like structure 109.
From the above, on threshold assembly 1, corresponding front column 301, near rear column 303, and at correspondence central post 302, constitute three box-like structures, these three box-like structures can each or be applied in combination to improve the structural strength of threshold assembly 1, and first, 3rd box-like structure 107, 109 lay respectively at the weakest before, near rear column, second box-like structure 108 is positioned at intensity the strongest central post 302 position, this kind of layout type had both improve the bending rigidity of whole threshold assembly 1, and be still susceptible to side impact force and transmit forwards, backwards at central post 302, and the power of floor assembly 2 can be absorbed in normal driving process.
Although the present invention combines above example and is described, but the present invention is not limited to above-described embodiment, and only limited by claim, above example easily can be modified and change by those of ordinary skill in the art, but and without departing from the essential idea of the present invention and scope.
Claims (8)
1. an automobile cab, it is characterised in that including:
Threshold assembly, described threshold assembly is welded by inner door sill body and external reinforcing plate for car and forms " mouth " type
Cavity structure；
Side wall assembly, described side wall assembly has front column, central post and rear column；
Floor assembly, described floor assembly include front floor panel beating, rear floor panel beating, connect described before
Floor panel beating and the middle cross beam of rear floor panel beating, be welded on panel beating front end, described front floor front beam,
Weld the rear cross beam of floor panel beating rear end in the rear；
Described threshold assembly is welded to connect described floor assembly, and described threshold assembly is vertical before correspondence is described
Post, central post and rear column position are welded to connect with described side wall assembly；At described inner door sill body
On, the position of corresponding described central post is welded with front floor reinforcement beam, after described front floor reinforcement beam
Side is welded with back-floor reinforcement beam；Described front floor reinforcement beam is welded to connect with wherein the middle cross beam, described
Back-floor reinforcement beam is welded to connect with described rear floor panel beating, and described inner door sill body is by leading portion and back segment
Welding is formed, and is provided with central post connecting plate, the width of described central post connecting plate at welding position
More than described leading portion and the width of described back segment, described back segment rear end is welded with rear column connecting plate, institute
State the width of rear column connecting plate more than described leading portion, described back segment and the width of described central post connecting plate
Degree.
Automobile cab the most according to claim 1, it is characterised in that described external reinforcing plate for car by
Front reinforcing plate and the welding of rear reinforcing plate are formed, towards described cavity side, corresponding to described central post
Position is provided with Z-shaped reinforcing plate.
Automobile cab the most according to claim 1, it is characterised in that at described external reinforcing plate for car
On towards described cavity side, described front column position is provided with front end reinforcing plate.
Automobile cab the most according to claim 1, it is characterised in that described leading portion towards
Described cavity side, is provided with Troffer.
Automobile cab the most according to claim 2, it is characterised in that described Z-shaped reinforcing plate
It is arranged in pairs formation the second box-like structure.
Automobile cab the most according to claim 3, it is characterised in that described front end reinforcing plate
It is arranged in pairs formation the first box-like structure.
Automobile cab the most according to claim 4, it is characterised in that described Troffer becomes
To arranging formation the 3rd box-like structure.
Automobile cab the most according to claim 1, it is characterised in that described threshold assembly welds
Meet the front beam of described floor assembly, middle cross beam, rear cross beam, and the most corresponding institute in welding position in succession
State front column, 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 CN103707938A (en) | 2014-04-09 |
| CN103707938B true CN103707938B (en) | 2016-08-24 |
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ID=50401381
Family Applications (1)
| 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) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109204505B (en) * | 2017-06-30 | 2021-12-07 | 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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| US20080258498A1 (en) * | 2007-04-20 | 2008-10-23 | Honda Motor Co., Ltd. | Truss structure for pickup bed area |
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| DE102009015157A1 (en) * | 2009-03-26 | 2010-09-30 | Volkswagen Ag | Front body column i.e. A-column, foot connecting arrangement for motor vehicle, has longitudinal beam firmly and indirectly connected with foot by reinforcement element directly fixed at foot of front body column |
| CN201587457U (en) * | 2009-05-21 | 2010-09-22 | 浙江吉利汽车研究院有限公司 | Reinforced structure of rear doorsill of automobile |
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| CN103707938A (en) | 2014-04-09 |
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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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Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230022 No. 176 Dongliu Road, Hefei City, Anhui Province Patentee before: Anhui Jianghuai Automobile Group Limited by Share Ltd |
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