CN112373578A - Longitudinal beam-free middle floor assembly structure - Google Patents
Longitudinal beam-free middle floor assembly structure Download PDFInfo
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- CN112373578A CN112373578A CN202011207558.9A CN202011207558A CN112373578A CN 112373578 A CN112373578 A CN 112373578A CN 202011207558 A CN202011207558 A CN 202011207558A CN 112373578 A CN112373578 A CN 112373578A
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- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000005452 bending Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
本发明公开了一种无纵梁中地板总成结构，包括中地板左侧边梁、中地板右侧边梁、中地板前横梁、中地板后横梁、中地板以及多个边梁连接插件，所述中地板包括中地板前段板、中地板中段板、中地板后段板，所述中地板左侧边梁、中地板右侧边梁的前后端分别连接多个边梁连接插件，所述中地板前横梁、中地板后横梁相互平行且连接在中地板左侧边梁、中地板右侧边梁之间，中地板左侧边梁、中地板右侧边梁之间与中地板前横梁、中地板后横梁将之间形成分别供中地板前段板、中地板中段板、中地板后段板安装的安装框架。所述中地板总成结构的整体重量轻，轻量化优势高，侧碰安全性好，有效提升中地板抗弯扭能力，实用性高。
The invention discloses a middle floor assembly structure without longitudinal beams, which comprises a left side beam of a middle floor, a right side beam of a middle floor, a front beam of a middle floor, a rear beam of a middle floor, a middle floor and a plurality of side beam connection inserts. The middle floor includes a middle floor front panel, a middle floor middle panel, and a middle floor rear panel. The front and rear ends of the middle floor left side beam and the middle floor right side beam are respectively connected with a plurality of side beam connection plug-ins. The front beam of the middle floor and the rear beam of the middle floor are parallel to each other and connected between the left side beam of the middle floor and the right side beam of the middle floor, between the left side beam of the middle floor and the right side beam of the middle floor and the front beam of the middle floor , The rear beams of the middle floor will form installation frames for the installation of the front panel of the middle floor, the middle panel of the middle floor, and the rear panel of the middle floor. The overall weight of the middle floor assembly structure is light, the advantages of light weight are high, the side impact safety is good, the bending and torsion resistance of the middle floor is effectively improved, and the practicability is high.
Description
Technical Field
The invention relates to a longitudinal beam-free middle floor assembly structure, and relates to the technical field of assembly and connection of automobile parts.
Background
The floor in the vehicle body is an important component of the vehicle body floor, and has high weight in the aspects of vehicle body performance, safety, light weight, cost and the like. At present, the common technology is that steel plate stamping forming parts are connected to form an integral middle floor structure, wherein the middle floor longitudinal beams are basically arranged, the integral structure is complex, and the number of parts forming the middle floor assembly is large, so that the difficulty of the production process is increased; meanwhile, in order to ensure the performance of the vehicle body and meet the safety requirement, the whole weight of the vehicle body is difficult to reduce all the time, so the manufacturing cost is higher.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the longitudinal beam-free middle floor assembly structure is convenient to manufacture and install, low in manufacturing cost and capable of effectively improving the structural strength of the floor assembly structure.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the utility model provides a floor assembly structure in no longeron, includes well floor left side boundary beam, well floor right side boundary beam, well floor front beam, well floor rear cross beam, well floor and a plurality of boundary beam connection plug-in components, well floor includes well floor anterior segment board, well floor middle section board, well floor rear section board, a plurality of boundary beam connection plug-in components are connected respectively to the front and back end of well floor left side boundary beam, well floor right side boundary beam, well floor front beam, well floor rear cross beam be parallel to each other and connect between well floor left side boundary beam, well floor right side boundary beam, and well floor front beam, well floor rear cross beam will form between with between well floor front beam, well floor rear cross beam and supply the installation frame of well floor anterior segment board, well floor middle section board, well floor rear section board installation respectively.
Preferably, the left side edge beam and the right side edge beam of the middle floor are identical in structure and are arranged in a left-right symmetrical mode.
Preferably, the front end and the rear end of the side beam on the left side of the middle floor and the side beam on the right side of the middle floor are respectively provided with a jack fixedly spliced with a plurality of side beam connecting plug-ins, each side beam connecting plug-in comprises a first left front connector, a second left front connector, a first right front connector, a second right front connector, a left rear connector, two rear splicing plugs and a right rear connector, the first right front connector and the second right front connector are riveted and fixed at the front end of the side beam on the right side of the middle floor, the first left front connector and the second left front connector are riveted and fixed at the front end of the side beam on the left side of the middle floor, the left rear connector and one of the rear splicing plugs are riveted and fixed at the rear end of the side beam on the left side of the middle floor, and the right rear splicing plug-in and another rear splicing plug are riveted and fixed at the rear end.
Preferably, the middle floor rear section plate comprises two blocks and is connected into a whole through the rear section middle beam.
Preferably, two ends of the middle floor rear section plate are respectively connected and fixed with the inner sides of the beam bodies of the middle floor left side edge beam and the middle floor right side edge beam through a middle floor rear section left connecting piece and a middle floor rear section right connecting piece.
Preferably, the joints between the middle floor left side edge beam and the middle floor right side edge beam and the middle floor front cross beam and between the middle floor rear cross beam are welded and connected.
Preferably, reinforcing rib structures are arranged inside the middle floor left side edge beam and the middle floor right side edge beam.
Compared with the prior art, the invention has the advantages that: the stringer-less mid-floor assembly structure has the following advantages,
the structural material of the middle floor assembly structure is aluminum alloy material, the whole weight is light, the advantage of light weight is obvious, and the labor intensity of manual workpiece feeding and the energy consumption of mechanical workpiece feeding are reduced after the whole structure is light and convenient;
the main body frame of the middle floor assembly structure is composed of a left side beam, a right side beam and a middle two beams, the structure is simple, the middle two beams are directly connected with the left side beam and the right side beam, and the side collision safety is good;
and thirdly, the side beams and the cross beams of the middle floor assembly structure are both extruded sections, and the reinforcing ribs with reasonable internal structures of the extruded sections can effectively improve the bending and twisting resistance of the middle floor.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a perspective view from the front side of the present invention;
FIG. 2 is a perspective view of a rear side viewing angle of the present invention;
FIG. 3 is an enlarged view of the front end of the right side sill of the mid-floor of the present invention with a sill attachment insert installed;
FIG. 4 is an enlarged view of the rear end of the right side sill of the mid-floor of the present invention with a sill attachment insert installed.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention:
as shown in fig. 1 to 4, the stringer-free middle floor assembly structure includes a middle floor left side edge beam 1, a middle floor right side edge beam 2, a middle floor front cross beam 3, a middle floor rear cross beam 4, a middle floor and a plurality of edge beam connecting plug-ins, wherein the middle floor left side edge beam and the middle floor right side edge beam are made of extruded profiles by an extrusion process, the interior of the extruded profiles includes a plurality of hollow pipes partitioned by a plurality of partition plates, and the extruded profiles can refer to the existing window frame beam structure and are made of aluminum profiles, so that the aluminum profile structure of the hollow pipes effectively improves the structural strength and rigidity of the beam body The structure of the middle floor right side boundary beam does not need to be specially designed, and a conventional porous hollow aluminum profile structure formed by extrusion is adopted, the porous structure can be selected according to the requirement, and the structural strength can be met, the reinforcing rib structure is a reinforcing plate with certain strength formed by thickening a certain part of plate bodies in the middle floor, when in actual manufacture, the positions of the internal reinforcing ribs can be reasonably designed and distributed according to the requirements of the structural strength and rigidity, so that the strength of the whole structure is improved, in addition, in order to conveniently connect and fix the end parts of the middle floor left side boundary beam and the middle floor right side boundary beam with external parts, the front end and the rear end of the middle floor left side boundary beam and the middle floor right side boundary beam are respectively connected with a plurality of boundary beam connecting plug-in pieces, correspondingly, the porous shapes of pipe orifices of the front end and the rear end of the middle floor left side boundary beam and the middle floor right side boundary beam correspond to the structural shape of the boundary beam connecting plug-, the boundary beam connecting plug-in is a commonly used connecting piece structure in the technical field of the existing automobile part connection, can be installed and fixed at the end parts of the boundary beam on the left side of the middle floor and the boundary beam on the right side of the middle floor and can be fixedly connected with external parts in an inserting mode, and the shape of the boundary beam connecting plug-in can be adjusted and changed conventionally according to the porous shapes of the end parts of the boundary beam on the left side of the middle floor and the boundary beam on the right side of the middle floor.
Further, in this embodiment, the front and rear ends of the side beam on the left side of the middle floor and the side beam on the right side of the middle floor are respectively provided with a jack which is fixedly inserted into a plurality of side beam connecting plug-ins, the side beam connecting plug-ins include a first left front connector 5, a second left front connector 6, a first right front connector 7, a second right front connector 8, a left rear connector 9, two rear connectors 10 and a right rear connector 11, the first right front connector and the second right front connector are riveted and fixed to the front end of the side beam on the right side of the middle floor, the first left front connector and the second left front connector are riveted and fixed to the front end of the side beam on the left side of the middle floor, the left rear connector and one of the rear connectors are riveted and fixed to the rear end of the side beam on the left side of the middle floor, the right rear connector and the other rear connector are riveted and fixed to the rear end of the side beam on the right side of the middle floor, and, effectively improve the steadiness that boundary beam and outside spare part are connected, can arrange the connecting plug-in components of different shapes according to the mouth of pipe shape of well floor left side boundary beam, well floor right side boundary beam tip moreover, the flexibility is high.
The middle floor comprises a middle floor front section plate 12, a middle floor middle section plate 13 and a middle floor rear section plate 14, the middle floor front cross beam and the middle floor rear cross beam are parallel to each other and connected between the middle floor left side edge beam and the middle floor right side edge beam, an installation frame for installing the middle floor front section plate, the middle floor middle section plate and the middle floor rear section plate is formed between the middle floor left side edge beam and the middle floor right side edge beam and between the middle floor front cross beam and the middle floor rear cross beam, in this embodiment, the middle floor rear section plate comprises two pieces and is connected as a whole by the rear section center sill 15, and the two ends of the middle floor rear section plate are respectively fixedly connected with the inner sides of the beam bodies of the middle floor left side boundary beam and the middle floor right side boundary beam through a middle floor rear section left connecting piece 16 and a middle floor rear section right connecting piece 17, the joints are connected in a riveting mode, the installation and the disassembly are convenient, and the structural strength of the middle floor rear section plate is improved.
In order to further improve the connection strength between the middle floor left side edge beam and the middle floor right side edge beam and the middle floor front cross beam and between the middle floor rear cross beam, the joints between the middle floor left side edge beam and the middle floor right side edge beam and the middle floor front cross beam and between the middle floor rear cross beam are welded and connected.
In the actual installation process, a left side edge beam, a first left front connector, a second left front connector, a left rear connector and one of the rear connectors are connected into a left side edge beam assembly through a riveting process, then a right side edge beam, a first right front connector, a second right front connector, a right rear connector and the other rear connector of the middle floor are connected into a right side edge beam assembly through a riveting process, then the left and right side edge beam assemblies are placed on a tool fixture, a middle floor front cross beam and a middle floor rear cross beam are placed on the inner side lap joint edges of the left side edge beam and the right side edge beam of the middle floor, the left side edge beam and the right side edge beam of the middle floor and two cross beams form a frame structure, then a middle floor front section plate, a middle floor plate and a middle floor rear section plate formed by a middle floor rear section left connecting piece, a middle floor rear section right connecting piece and a rear section middle beam are placed on the inner side lap joint edges of a frame formed by the two side edge beams and the cross beam, and then, the lapping process of the whole middle floor is finished, and finally, all the connecting pieces and the assemblies are connected by using a riveting process at the joint of the lapping edges.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011207558.9A CN112373578A (en) | 2020-11-03 | 2020-11-03 | Longitudinal beam-free middle floor assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011207558.9A CN112373578A (en) | 2020-11-03 | 2020-11-03 | Longitudinal beam-free middle floor assembly structure |
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| Publication Number | Publication Date |
|---|---|
| CN112373578A true CN112373578A (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011207558.9A Pending CN112373578A (en) | 2020-11-03 | 2020-11-03 | Longitudinal beam-free middle floor assembly structure |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209176797U (en) * | 2018-12-04 | 2019-07-30 | 苏州同捷汽车科技发展有限公司 | Floor assembly in a kind of automobile |
| CN209479763U (en) * | 2018-11-23 | 2019-10-11 | 北京宏瑞汽车科技股份有限公司 | A kind of pure electric vehicle body frame structure for automotive |
| CN110329362A (en) * | 2018-03-30 | 2019-10-15 | 比亚迪股份有限公司 | Body structure and automobile |
| CN110723220A (en) * | 2019-09-29 | 2020-01-24 | 江苏大学 | Aluminum alloy lower vehicle body structure of electric vehicle |
| JP2020026664A (en) * | 2018-08-10 | 2020-02-20 | コベルコ建機株式会社 | Floor member of work machine, and work machine comprising the same |
| CN211238330U (en) * | 2019-12-20 | 2020-08-11 | 蜂巢能源科技有限公司 | Lower shell assembly and battery pack thereof |
| CN213921246U (en) * | 2020-11-03 | 2021-08-10 | 苏州同捷汽车工程技术股份有限公司 | A mid-floor assembly structure without longitudinal beams |
-
2020
- 2020-11-03 CN CN202011207558.9A patent/CN112373578A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110329362A (en) * | 2018-03-30 | 2019-10-15 | 比亚迪股份有限公司 | Body structure and automobile |
| JP2020026664A (en) * | 2018-08-10 | 2020-02-20 | コベルコ建機株式会社 | Floor member of work machine, and work machine comprising the same |
| CN209479763U (en) * | 2018-11-23 | 2019-10-11 | 北京宏瑞汽车科技股份有限公司 | A kind of pure electric vehicle body frame structure for automotive |
| CN209176797U (en) * | 2018-12-04 | 2019-07-30 | 苏州同捷汽车科技发展有限公司 | Floor assembly in a kind of automobile |
| CN110723220A (en) * | 2019-09-29 | 2020-01-24 | 江苏大学 | Aluminum alloy lower vehicle body structure of electric vehicle |
| CN211238330U (en) * | 2019-12-20 | 2020-08-11 | 蜂巢能源科技有限公司 | Lower shell assembly and battery pack thereof |
| CN213921246U (en) * | 2020-11-03 | 2021-08-10 | 苏州同捷汽车工程技术股份有限公司 | A mid-floor assembly structure without longitudinal beams |
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