CN219619247U - Multi-material lightweight cage-shaped cab framework structure - Google Patents
Multi-material lightweight cage-shaped cab framework structure Download PDFInfo
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- CN219619247U CN219619247U CN202320392998.9U CN202320392998U CN219619247U CN 219619247 U CN219619247 U CN 219619247U CN 202320392998 U CN202320392998 U CN 202320392998U CN 219619247 U CN219619247 U CN 219619247U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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Abstract
The utility model relates to a multi-material lightweight cage cab skeleton structure, which comprises a vehicle body upper assembly and a vehicle body lower assembly, wherein the vehicle body upper assembly is fixedly connected with the vehicle body lower assembly; the vehicle body lower assembly comprises a front wall assembly, a floor assembly and a rear wall assembly; the floor assembly is of an integrated structure; the front wall assembly and the rear wall assembly are respectively arranged at the front end and the rear end of the floor assembly; the upper assembly of the vehicle body is fixedly connected with the lower assembly of the vehicle body through the front wall assembly and the rear wall assembly. The cage type vehicle body framework structure is formed by connecting the upper vehicle body assembly and the lower vehicle body assembly, so that the vehicle body framework structure and the connection mode are simplified; meanwhile, the upper assembly and the lower assembly of the automobile body are all aluminum profiles with reinforcing ribs inside, so that the overall weight of the automobile body framework is reduced on the premise of ensuring the overall rigidity and strength, the automobile body framework has enough strength and torsional strength, and the driver is prevented from being injured when the cab is deformed.
Description
Technical Field
The utility model relates to the technical field of automobile structures, in particular to a multi-material lightweight cage-shaped cab framework structure.
Background
The cab is an important component of the commercial vehicle and is where the driver works. The structure is directly related to the safety, working efficiency and health of the driver. The existing cab body framework generally adopts a sheet metal welding structure and does not bear load, so that the existing cab body framework can bear huge impact force when a vehicle collides and overturns, and the cab body framework structure does not have enough rigidity and torsional strength, so that the cab can deform and the driver is injured. The existing cab body framework is large in weight, large in number of parts and complex in structure and connecting process.
Disclosure of Invention
The utility model provides a multi-material lightweight cage-shaped cab framework structure, which simplifies a vehicle body framework structure and a connection mode by connecting an upper assembly of a vehicle body and a lower assembly of the vehicle body to form the cage-shaped vehicle body framework structure; meanwhile, the upper assembly and the lower assembly of the automobile body are all aluminum profiles, so that the overall weight of the automobile body framework is reduced on the premise of ensuring the overall rigidity and strength, the automobile body framework has enough strength and torsional strength, and the driver is prevented from being injured when the cab is deformed.
In order to solve the problems in the background art, the utility model is realized by the following technical scheme:
the multi-material lightweight cage cab framework structure comprises a vehicle body upper assembly and a vehicle body lower assembly, wherein the vehicle body upper assembly is fixedly connected with the vehicle body lower assembly; the automobile body lower assembly comprises a front wall assembly, a floor assembly and a rear wall assembly; the floor assembly is of an integrated structure; the front wall assembly and the rear wall assembly are respectively arranged at the front end and the rear end of the floor assembly; the automobile body upper assembly is fixedly connected with the automobile body lower assembly through the front wall assembly and the rear wall assembly.
Preferably, the front wall assembly comprises a front baffle upper assembly and a front baffle lower assembly, and the front baffle upper assembly is fixedly connected with the front baffle lower assembly through welding; the front baffle lower assembly is fixedly connected with the front end of the floor assembly through SPR self-punching willow nails and structural adhesive; the back wall assembly comprises a back wall outer plate and a back wall cross beam; the rear wall cross beam comprises a rear wall upper cross beam and a rear wall lower cross beam; the rear wall outer plate is arranged between the rear wall upper beam and the rear wall lower beam and is positioned at the outer ends of the rear wall upper beam and the rear wall lower beam; the inner end of the rear upper cross beam is connected with the vehicle body upper assembly; the inner end of the rear lower cross beam is connected with the floor assembly; the front wall assembly, the floor assembly and the rear wall cross beam are all aluminum profiles with reinforcing ribs inside, and the rear wall outer plate is an aluminum plate stamping part; the left side and the right side of the floor assembly are respectively arranged on a threshold beam, and the threshold beam is an aluminum profile with reinforcing ribs inside; the threshold beam is connected with the floor assembly by FDS flow drilling screws or bolts.
Preferably, the upper vehicle body assembly comprises a top cover assembly, a left side wall assembly and a right side wall assembly; the upper end of the left side wall assembly and the upper end of the right side wall assembly are connected with the top cover assembly; the left side wall assembly and the right side wall assembly are connected with the floor assembly and the front wall assembly respectively.
Preferably, the left side wall assembly and the right side wall assembly are respectively composed of an A column assembly, a roof side rail assembly, a B column assembly and a threshold beam assembly; the roof side beam assembly is connected with the threshold beam assembly through the A column assembly and the B column assembly respectively; the roof side beam assembly, the B column assembly, the A column assembly and the threshold beam assembly are all aluminum profiles with reinforcing ribs inside; the A column assembly is also provided with a high-strength plate, and the high-strength plate is connected with the A column assembly in a welding mode; the upper end of the A column assembly is connected with one end of a connecting joint through an FDS flow drilling screw or an SPR self-punching willow joint pin, and the other end of the connecting joint is connected with the roof side rail assembly through the FDS flow drilling screw or the SPR self-punching willow joint pin; the lower end of the A column assembly is connected with the threshold beam assembly through FDS flow drilling screws or SPR self-punching willow connecting nails; the upper end of the B column assembly is connected with the roof side rail assembly through an FDS stream drilling screw or an SPR self-punching willow joint screw; the lower end of the B column assembly is connected with the threshold beam assembly through FDS flow drilling screws or SPR self-punching willow connecting nails.
Preferably, the top cover assembly comprises a top cover outer plate, and the top cover outer plate is provided with a top cover cross beam; the top cover assembly is connected with the left side wall assembly and the right side wall assembly through the top cover outer plate; the top cover beam is an aluminum profile with reinforcing ribs inside, and the top cover outer plate is an aluminum plate stamping part.
Compared with the prior art, the utility model has the following beneficial technical effects:
1. the cage type vehicle body framework structure is formed by connecting the upper vehicle body assembly and the lower vehicle body assembly, so that the vehicle body framework structure and the connection mode are simplified; meanwhile, the upper assembly and the lower assembly of the automobile body are all aluminum profiles with reinforcing ribs inside, so that the overall weight of the automobile body framework is reduced on the premise of ensuring the overall rigidity and strength, the automobile body framework has enough strength and torsional strength, and the driver is prevented from being injured when the cab is deformed.
And the A column assembly is provided with a high-strength plate, so that the side collision safety performance of the whole vehicle is improved.
Drawings
FIG. 1 is a schematic diagram of an explosive structure according to the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a cross-sectional view at A-A in FIG. 2;
FIG. 4 is a schematic view of a B-pillar assembly of the present utility model;
FIG. 5 is a cross-sectional view at B-B in FIG. 4;
FIG. 6 is a schematic view of a rocker assembly according to the present utility model;
FIG. 7 is a cross-sectional view taken at C-C of FIG. 6;
FIG. 8 is a schematic view of the floor assembly of the present utility model;
FIG. 9 is a schematic view of the top cover assembly of the present utility model;
fig. 10 is an assembled state diagram of the present utility model.
Description of the reference numerals
10. A front wall assembly; 11. a front baffle upper assembly; 12. a front baffle lower assembly; 20. a floor assembly; 30. a rear wall assembly; 31. a rear outer panel; 40. a top cover assembly; 41. a left side wall assembly; 42. a right side wall assembly; 43. a column A assembly; 44. a roof side rail assembly; 45. a B column assembly; 46. and the threshold beam assembly.
Detailed Description
1-6, the multi-material lightweight cage cab skeleton structure comprises a vehicle body upper assembly and a vehicle body lower assembly, wherein the vehicle body upper assembly is fixedly connected with the vehicle body lower assembly; the vehicle body lower assembly comprises a front wall assembly 10, a floor assembly 20 and a rear wall assembly 30; the floor assembly 20 is of unitary construction; the front wall assembly 10 and the rear wall assembly 30 are respectively arranged at the front end and the rear end of the floor assembly 20; the upper assembly of the vehicle body is fixedly connected with the floor assembly 20 through the front wall assembly 10 and the rear wall assembly 30. The upper assembly and the lower assembly of the vehicle body are connected to form a cage-type vehicle body framework structure, so that the vehicle body framework structure and the connection mode are simplified; meanwhile, the front wall assembly 10, the floor assembly 20 and the rear wall assembly 30 are all aluminum profiles, so that the overall weight of the automobile body framework is reduced on the premise of ensuring the overall rigidity and strength, the automobile body framework has enough strength and torsional strength, and the driver injury caused when the cab is deformed is avoided
The front wall assembly 10 comprises a front baffle upper assembly 11 and a front baffle lower assembly 12, and the front baffle upper assembly 11 is fixedly connected with the front baffle lower assembly 12 through welding; the front baffle lower assembly 12 is fixedly connected with the front end of the floor assembly 20 through SPR self-punching willow nails and structural adhesive; the back wall assembly 30 comprises a back wall outer plate 31 and a back wall cross beam; the rear wall cross beam comprises a rear wall upper cross beam and a rear wall lower cross beam; the back wall outer plate 31 is arranged between the back wall upper beam and the back wall lower beam and is positioned at the outer ends of the back wall upper beam and the back wall lower beam; the inner end of the rear upper cross beam is connected with the upper assembly of the vehicle body; the inner end of the lower cross beam of the rear wall is connected with the floor assembly 20; the front wall assembly 10, the floor assembly 20 and the rear wall cross beams are all aluminum profiles with reinforcing ribs inside, and the rear wall outer plate 31 is an aluminum plate stamping part; the left and right sides of the floor assembly 20 are respectively arranged on a threshold beam, and the threshold beam is an aluminum profile with reinforcing ribs inside; the threshold beam is connected to the floor assembly 20 by FDS flow drilling screws or bolts. The front wall assembly 10, the floor assembly 20 and the rear wall assembly 30 are all aluminum profiles, so that the overall weight of the automobile body framework is reduced on the premise of ensuring the overall rigidity and strength, the automobile body framework has enough strength and torsion resistance, the rear wall outer plate 31 is sealed, and meanwhile, the rear wall outer plate 31 uses aluminum plate stamping parts, so that the light weight and the integration of the whole automobile are realized while the development of a die are reduced.
The self-piercing riveting SPR is a cold connection in the prior art, and two or more layers of plates made of different materials are penetrated and connected through rivets; the SPR self-piercing rivet can be used for connecting various materials such as high-strength steel, galvanized steel, aluminum, plastic, composite materials and the like. It is capable of joining together different materials and also of joining materials that have been subjected to various surface coatings without affecting the joining effect, such as materials that are lubricated, painted, coated or electroplated. SPR can also be used for material attachment involving sealants, adhesives or insulating materials.
FDS Flow drilling screw is a prior art, is a hot melt rotary tapping riveting, also called Flow Drilling Screw (FDS) technology, and adopts the principle that heat generated by high-speed rotation of the screw is utilized to melt a base material, pressure is increased to punch through the base material and make threads on the base material, so that two or more layers of plate materials are fixed together. FDS can be used for dissimilar metal or homogeneous metal joining. This technology is currently used in large numbers in aluminum car bodies.
The upper assembly of the vehicle body comprises a top cover assembly 40, a left side wall assembly 41 and a right side wall assembly 42; the upper end of the left side wall assembly 41 and the right side wall assembly 42 are connected with the top cover assembly 40; the lower ends of the left side wall assembly 41 and the right side wall assembly 42 are respectively connected with the floor assembly 20 and the front wall assembly 10.
The left side wall assembly 41 and the right side wall assembly 42 are composed of an A column assembly 43, a roof side rail assembly 44, a B column assembly 45 and a threshold beam assembly 46; roof side rail assembly 44 is connected to sill beam assembly 46 by a-pillar assembly 43 and B-pillar assembly 45, respectively; the roof side rail assembly 44, the B-pillar assembly 45, the A-pillar assembly 43 and the threshold beam assembly 46 are all aluminum profiles with reinforcing ribs inside; the A column assembly 43 is also provided with a high-strength plate, and the high-strength plate is connected with the A column assembly 43 in a welding mode; the upper end of the A column assembly 43 is connected with one end of a connecting joint through an FDS flow drilling screw or an SPR self-punching willow joint pin, and the other end of the connecting joint is connected with a roof side rail assembly 44 through the FDS flow drilling screw or the SPR self-punching willow joint pin; the lower end of the A column assembly 43 is connected with the threshold beam assembly 46 through FDS flow drilling screws or SPR self-punching willow nails; the upper end of the B column assembly 45 is connected with the roof side rail assembly 44 through FDS flow drilling screws or SPR self-punching willow connecting nails; the lower end of the B-pillar assembly 45 is connected with the threshold beam assembly 46 by FDS flow drilling screws or SPR self-punching willow nails. The A column assembly 43 is a high-strength plate, which is beneficial to improving the side collision safety performance of the whole vehicle; meanwhile, the roof side beam assembly 44, the B column assembly 45 and the threshold beam assembly 46 are all aluminum profiles with reinforcing ribs inside, and the whole vehicle body framework is small in weight, high in strength and better in collision safety performance, is favorable for light weight of an electric commercial vehicle, and can effectively prolong the endurance mileage of the electric vehicle.
The roof assembly 40 includes a roof outer panel provided with a roof cross member; the top cover assembly 40 is connected with the left side wall assembly 41 and the right side wall assembly 42 through the top cover outer plate; the top cover beam is an aluminum profile with reinforcing ribs inside, and the top cover outer plate is an aluminum plate stamping part. The top cover planking seals, and aluminum plate stamping workpiece is used to the top cover planking simultaneously, realizes the lightweight and the integration of whole car when reducing the mould development.
Claims (5)
1. A multi-material lightweight cage-shaped cab framework structure is characterized in that: the automobile body comprises an automobile body upper assembly and an automobile body lower assembly, wherein the automobile body upper assembly is fixedly connected with the automobile body lower assembly; the automobile body lower assembly comprises a front wall assembly (10), a floor assembly (20) and a rear wall assembly (30); the floor assembly (20) is of an integral structure; the front wall assembly (10) and the rear wall assembly (30) are respectively arranged at the front end and the rear end of the floor assembly (20); the vehicle body upper assembly is fixedly connected with the floor assembly (20) through the front wall assembly (10) and the rear wall assembly (30).
2. The multi-material lightweight cage cab skeleton structure of claim 1, wherein the front wall assembly (10) includes a front baffle upper assembly (11) and a front baffle lower assembly (12), the front baffle upper assembly (11) and the front baffle lower assembly (12) being fixedly connected by welding; the front baffle lower assembly (12) is fixedly connected with the front end of the floor assembly (20) through SPR self-punching willow nails and structural adhesive; the rear wall assembly (30) comprises a rear wall outer plate (31) and a rear wall cross beam; the rear wall cross beam comprises a rear wall upper cross beam and a rear wall lower cross beam; the rear outer plate (31) is arranged between the rear upper beam and the rear lower beam and is positioned at the outer ends of the rear upper beam and the rear lower beam; the inner end of the rear upper cross beam is connected with the vehicle body upper assembly; the inner end of the rear lower cross beam is connected with the floor assembly (20); the front wall assembly (10), the floor assembly (20) and the rear wall cross beam are all aluminum profiles with reinforcing ribs inside, and the rear wall outer plate (31) is an aluminum plate stamping part; the left side and the right side of the floor assembly (20) are respectively arranged on a threshold beam, and the threshold beam is an aluminum profile with reinforcing ribs inside; the threshold beam is connected to the floor assembly (20) by FDS flow drilling screws or bolts.
3. The multi-material lightweight cage cab skeleton structure of claim 2, wherein the upper body assembly includes a roof assembly (40), a left side wall assembly (41), and a right side wall assembly (42); the upper end of the left side wall assembly (41) and the upper end of the right side wall assembly (42) are connected with the top cover assembly (40); the lower ends of the left side wall assembly (41) and the right side wall assembly (42) are respectively connected with the floor assembly (20) and the front wall assembly (10).
4. A multi-material lightweight cage cab skeleton structure according to claim 3, characterized in that the left side wall assembly (41) and right side wall assembly (42) are each composed of an a-pillar assembly (43), a roof side rail assembly (44), a B-pillar assembly (45) and a sill beam assembly (46); the roof side beam assembly (44) is connected with the threshold beam assembly (46) through the A column assembly (43) and the B column assembly (45) respectively; the roof side beam assembly (44), the B column assembly (45), the A column assembly (43) and the threshold beam assembly (46) are all aluminum profiles with reinforcing ribs inside; the A column assembly (43) is also provided with a high-strength plate, and the high-strength plate is connected with the A column assembly (43) in a welding mode; the upper end of the A column assembly (43) is connected with one end of a connecting joint through an FDS flow drilling screw or an SPR self-punching willow connecting nail, and the other end of the connecting joint is connected with the roof side rail assembly (44) through the FDS flow drilling screw or the SPR self-punching willow connecting nail; the lower end of the A column assembly (43) is connected with the threshold beam assembly (46) through FDS flow drilling screws or SPR self-punching willow nails; the upper end of the B column assembly (45) is connected with the roof side rail assembly (44) through FDS flow drilling screws or SPR self-punching willow connecting nails; the lower end of the B column assembly (45) is connected with the threshold beam assembly (46) through FDS flow drilling screws or SPR self-punching willow connecting nails.
5. A multi-material lightweight cage cab skeleton structure as in claim 3, wherein the roof assembly (40) comprises a roof outer panel provided with a roof cross-member; the top cover assembly (40) is connected with the left side wall assembly (41) and the right side wall assembly (42) through the top cover outer plate; the top cover beam is an aluminum profile with reinforcing ribs inside, and the top cover outer plate is an aluminum plate stamping part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320392998.9U CN219619247U (en) | 2023-03-06 | 2023-03-06 | Multi-material lightweight cage-shaped cab framework structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320392998.9U CN219619247U (en) | 2023-03-06 | 2023-03-06 | Multi-material lightweight cage-shaped cab framework structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219619247U true CN219619247U (en) | 2023-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320392998.9U Active CN219619247U (en) | 2023-03-06 | 2023-03-06 | Multi-material lightweight cage-shaped cab framework structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219619247U (en) |
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- 2023-03-06 CN CN202320392998.9U patent/CN219619247U/en active Active
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