Modularized heavy truck body structure
By dividing the heavy truck body structure into driving module and living module, and adopting a wedge-shaped body structure, the problems of poor versatility, low assembly efficiency and high wind resistance coefficient in the prior art are solved, and higher versatility, efficiency and fuel economy are achieved.
Patent Information
- Application Number
- CN202311761137.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-20
- Publication Date
- 2025-06-20
AI Technical Summary
During the platform and serial design process of existing heavy truck body structure, the components are poor, the assembly efficiency is low, the wind resistance coefficient is large, and the fuel economy is poor, which cannot meet the market's demand for rapid modification and replacement.
The modular heavy truck body structure is adopted, and the body is divided into driving modules and living modules, which are assembled separately by interior parts and function keys, and then connected to improve the versatility of parts and assembly efficiency, and a wedge-shaped body structure is used to reduce the wind resistance coefficient.
It improves the versatility and assembly efficiency of parts, meets the needs of different body widths and lengths, reduces the resistance coefficient of the entire vehicle, improves fuel economy, shortens the design cycle and reduces R&D costs.
Smart Images

Figure CN120171648A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of automobile manufacturing, and in particular to a modular heavy truck body structure. Background Art
[0002] At present, the body structure of heavy trucks is basically composed of six parts: front wall, rear wall, floor, roof, left wall, and right wall. Each part is combined to form an overall body structure. In the process of platformization and serialization design of heavy truck bodies, different body widths such as wide body and narrow body are usually set, and there are many types of body, which leads to poor versatility between parts, and workers need to assemble interior parts in a closed space inside the body, which has poor ergonomics and assembly efficiency. With the increasingly fierce market competition, rapid realization of automobile modification is the key to adapting to market competition. The previous body structure development and design method has a long design cycle and large capital investment, which cannot meet market needs; and the existing heavy truck body structure is basically a flat head body, with a large wind resistance coefficient and poor fuel economy. Summary of the invention
[0003] The present invention proposes a modular heavy-duty truck body structure, which divides the body structure into a driving module and a living module. Interior decoration parts and function keys can be assembled separately, and then the driving module and the living module are connected, thereby improving the versatility of parts and components, while improving the assembly convenience and efficiency to meet different body widths and lengths; the wedge-shaped body structure can reduce the vehicle's wind resistance coefficient.
[0004] In order to solve the problems in the above background technology, the present invention is implemented by the following technical solutions:
[0005] A modular heavy truck body structure is a wedge-shaped body structure; the body structure comprises a driving module and a living module, the driving module is connected to the living module, and a sealing device is provided at the connection between the driving module and the living module.
[0006] Preferably, the driving module includes a floor assembly, a door frame, a front wall and a cross beam on the windshield, the door frame includes an A-pillar and a B-pillar, and the widths between the A-pillar and the B-pillar are successively increased to form the wedge-shaped body structure; the floor assembly includes a floor panel, a left longitudinal beam, a right longitudinal beam, a left beam, a right beam and a cross beam, and the left longitudinal beam, the right longitudinal beam, the left beam and the right beam are connected by the cross beam; the floor panel is fixed to the left longitudinal beam, the right longitudinal beam, the left beam, the right beam and the upper ends of the cross beam.
[0007] Preferably, the left longitudinal beam and the right longitudinal beam have the same cross-section; the left beam and the right beam have the same cross-section.
[0008] Preferably, the left longitudinal beam, right longitudinal beam, left side beam, and right side beam are of an integral structure formed by extrusion of aluminum profiles.
[0009] Preferably, the living module includes a top cover, a rear enclosure, a left side enclosure, and a right side enclosure; the front end of the top cover is respectively connected to the upper ends of the door frame and the upper cross member of the windshield; the lower end of the rear enclosure is connected to the rear end of the floor assembly; the front ends of the left side enclosure and the right side enclosure are respectively connected to the rear end of the door frame; the lower ends of the left side enclosure and the right side enclosure are respectively connected to the left and right side ends of the floor assembly;
[0010] The sealing devices are provided at the joints of the top cover with the door frame and the upper cross member of the windshield, the joint of the rear enclosure with the floor assembly, the joints of the left side enclosure and the right side enclosure with the door frame, and the joints of the left side enclosure and the right side enclosure with the floor assembly.
[0011] Preferably, a skylight is provided at the upper end of the top cover.
[0012] Preferably, a rear window is provided on the rear enclosure.
[0013] Compared with the prior art, the present invention has the following beneficial technical effects:
[0014] The vehicle body structure is divided into a driving module and a living module, and the interior parts and function keys can be assembled separately, and then the driving module and the living module are connected, which improves the versatility of parts, and at the same time improves the assembly convenience and assembly efficiency, and meets different vehicle body widths and lengths; the wedge-shaped vehicle body structure can reduce the wind resistance coefficient of the whole vehicle, and the corresponding production of the driving module and the living module can be carried out according to different vehicle body widths and lengths, which shortens the design cycle and reduces the R & D costs of vehicle manufacturers; at the same time, the wedge-shaped vehicle body structure can reduce the wind resistance coefficient of the whole vehicle. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a schematic structural view of the driving module of the present invention;
[0016] Figure 2 is a schematic structural view of the living module of the present invention;
[0017] Figure 3 is a schematic structural view of the floor assembly of the present invention.
[0018] REFERENCE NUMERALS IN THE DRAWINGS
[0019] 1. Driving module; 11. Floor assembly; 111. Floor panel; 112. Left longitudinal beam; 113. Right longitudinal beam; 114. Left side beam; 115. Right side beam; 116. Cross beam; 12. Door frame; 121. A-pillar; 122. B-pillar; 13. Front panel; 14. Upper cross beam of windshield; 15. Sealing device; 2. Living module; 21. Roof; 211. Sunroof; 22. Right side panel; 23. Rear panel; 231. Rear window; 24. Left side panel. Detailed implementation manner
[0020] As Figures 1 - 3 described, a modular heavy truck body structure, the body structure is a wedge-shaped body structure; the body structure includes a driving module 1 and a living module 2, the driving module 1 is connected to the living module 2, and a sealing device 15 is provided at the connection between the driving module 1 and the living module 2.
[0021] The driving module 1 includes a floor assembly 11, a door frame 12, a front panel 13 and an upper cross beam 14 of the windshield. The door frame 12 includes an A-pillar 121 and a B-pillar 122. The width between the A-pillar 121 and the B-pillar 122 increases in sequence to form a wedge-shaped body structure; the floor assembly 11 includes a floor panel 111, a left longitudinal beam 112, a right longitudinal beam 113, a left side beam 114, a right side beam 115 and a cross beam 116. The left longitudinal beam 112, the right longitudinal beam 113, the left side beam 114 and the right side beam 115 are connected by the cross beam 116; the floor panel 111 is fixedly arranged on the upper ends of the left longitudinal beam 112, the right longitudinal beam 113, the left side beam 114, the right side beam 115 and the cross beam 116.
[0022] The driving module 1 can be installed with front panels 13 of different heights to form driving modules 1 with different windshield opening sizes.
[0023] The left longitudinal beam 112 and the right longitudinal beam 113 have the same cross section; the left side beam 114 and the right side beam 115 have the same cross section.
[0024] The left longitudinal beam 112, the right longitudinal beam 113, the left side beam 114 and the right side beam 115 are of an integral structure formed by extrusion of aluminum profiles.
[0025] The living module 2 includes a roof 21, a rear panel 23, a left side panel 24 and a right side panel 22; the front end of the roof 21 is respectively connected to the upper ends of the door frame 12 and the upper cross beam 14 of the windshield; the lower end of the rear panel 23 is connected to the rear end of the floor assembly 11; the front ends of the left side panel 24 and the right side panel 22 are respectively connected to the rear end of the door frame 12; the lower ends of the left side panel 24 and the right side panel 22 are respectively connected to the left and right side ends of the floor assembly 11;
[0026] Sealing devices 15 are provided at the joints of the top cover 21 with the door frame 12 and the upper cross member 14 of the windshield, at the joint of the rear wall 23 with the floor assembly 11, at the joints of the left side wall 24 and the right side wall 22 with the door frame 12, and at the joints of the left side wall 24 and the right side wall 22 with the floor assembly 11.
[0027] The driving module 1 can form vehicle body structures of different lengths and different heights by changing the length of the floor assembly 11, and the living module 2 can form vehicle body structures of different lengths and different heights by changing the height of the top cover 21 and the lengths of the left side wall 24 and the right side wall 22.
[0028] A skylight 211 is provided at the upper end of the top cover 21.
[0029] A rear window 231 is provided on the rear wall 23.
Claims
1. A modular heavy truck body structure, characterized in that: The vehicle body structure is a wedge-shaped vehicle body structure; the vehicle body structure includes a driving module (1) and a living module (2), the driving module (1) is connected to the living module (2), and a sealing device (15) is provided at the connection between the driving module (1) and the living module (2).
2. The modular heavy truck body structure according to claim 1, characterized in that The driving module (1) includes a floor assembly (11), a door frame (12), a front wall (13) and a windshield upper cross member (14). The door frame (12) includes an A-pillar (121) and a B-pillar (122). The width between the A-pillar (121) and the B-pillar (122) increases sequentially to form the wedge-shaped vehicle body structure. The floor assembly (11) includes a floor panel (111), a left longitudinal beam (112), a right longitudinal beam (113), a left side beam (114), a right side beam (115) and a cross beam (116). The left longitudinal beam (112), the right longitudinal beam (113), the left side beam (114) and the right side beam (115) are connected by the cross beam (116). The floor panel (111) is fixedly provided at the upper ends of the left longitudinal beam (112), the right longitudinal beam (113), the left side beam (114), the right side beam (115) and the cross beam (116).
3. The modular heavy truck body structure according to claim 2, characterized in that The left longitudinal beam (112) and the right longitudinal beam (113) have the same cross-section; the left side beam (114) and the right side beam (115) have the same cross-section.
4. The modular heavy truck body structure according to claim 2, characterized in that The left longitudinal beam (112), the right longitudinal beam (113), the left side beam (114) and the right side beam (115) are of an integral structure formed by extrusion of aluminum profiles.
5. The modular heavy truck body structure according to claim 2, characterized in that The living module (2) includes a roof (21), a rear wall (23), a left side wall (24) and a right side wall (22). The front end of the roof (21) is respectively connected to the upper ends of the door frame (12) and the windshield upper cross member (14). The lower end of the rear wall (23) is connected to the rear end of the floor assembly (11). The front ends of the left side wall (24) and the right side wall (22) are respectively connected to the rear end of the door frame (12). The lower ends of the left side wall (24) and the right side wall (22) are respectively connected to the left and right side ends of the floor assembly (11). The sealing device (15) is provided at the connection between the roof (21) and the door frame (12) and the windshield upper cross member (14), the connection between the rear wall (23) and the floor assembly (11), the connection between the left side wall (24) and the right side wall (22) and the door frame (12), and the connection between the left side wall (24) and the right side wall (22) and the floor assembly (11).
6. The modular heavy truck body structure according to claim 5, characterized in that A skylight (211) is provided at the upper end of the roof (21).
7. The modular heavy truck body structure according to claim 5, characterized in that A rear window (231) is provided on the rear wall (23).
Citation Information
Patent Citations
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