CN109969272B - Automobile framework, automobile top cover framework and automobile side wall framework - Google Patents
Automobile framework, automobile top cover framework and automobile side wall framework Download PDFInfo
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- CN109969272B CN109969272B CN201910364804.2A CN201910364804A CN109969272B CN 109969272 B CN109969272 B CN 109969272B CN 201910364804 A CN201910364804 A CN 201910364804A CN 109969272 B CN109969272 B CN 109969272B
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- 229910052782 aluminium Inorganic materials 0.000 claims description 67
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 65
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 12
- 229910000838 Al alloy Inorganic materials 0.000 claims description 9
- 238000013461 design Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 3
- 239000011521 glass Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D31/00—Superstructures for passenger vehicles
- B62D31/02—Superstructures for passenger vehicles for carrying large numbers of passengers, e.g. omnibus
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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
The invention discloses an automobile framework, an automobile roof framework and an automobile side wall framework, and relates to the technical field of automobiles. The first connecting piece comprises a connecting plate and L-shaped guard plates, wherein the internal corners of the two L-shaped guard plates are oppositely arranged at two ends of the connecting plate outwards, so that one side of the first connecting piece forms a U-shaped mounting part, and the other side forms a mounting surface. One end of the first vehicle beam is inserted into the mounting part, and the side wall of the second vehicle beam is fixedly arranged on the mounting surface. The invention has the beneficial effects that: the invention overcomes the defects of the prior art, is suitable for large-scale design and manufacture of the bus body framework, and has the advantages of high light weight level, high material utilization rate, strong structural stability, good technical state adaptability and the like.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to an automobile framework, an automobile top cover framework and an automobile side wall framework.
Background
The traditional bus skeleton is generally of a steel skeleton structure and is formed by welding rectangular steel pipes. Because aluminum alloy materials have the characteristics of high specific strength, light weight, corrosion resistance, convenience in processing and manufacturing and the like compared with rectangular steel pipes, the aluminum alloy materials have been gradually applied to the technical field of automobiles in recent years so as to realize the light weight of a bus body structure. However, most of the existing all-aluminum bus frameworks have the problems of complex structural design, multiple installation parts and the like, cannot realize standardized production, are assembled in a welding mode generally, and are inconvenient to detach and maintain.
The Chinese patent with application number 201710160800.3 discloses an automobile framework, which comprises a main beam arranged vertically, an auxiliary beam arranged horizontally and a connecting piece detachably connected between the main beam and the auxiliary beam; the main beam comprises a first mounting surface and a second mounting surface which are perpendicular to each other, at least two first fixing grooves are concavely formed on the first mounting surface, at least one second fixing groove is concavely formed on the second mounting surface, and the first fixing grooves and the second fixing grooves extend along the vertical direction; the auxiliary beam comprises a third installation surface and a fourth installation surface which are perpendicular to each other, at least one third fixing groove is formed in the third installation surface, at least one fourth fixing groove is formed in the fourth installation surface, and the third fixing groove and the fourth fixing groove extend along the horizontal direction; the end face of the auxiliary beam is attached to the second mounting face of the main beam; the connecting piece comprises a first mounting plate and a second mounting plate which are perpendicular to each other, wherein the first mounting plate is provided with a mounting hole corresponding to the position of the second fixing groove, the second mounting plate is provided with a mounting hole corresponding to the position of the third fixing groove, the edge of the first mounting plate is vertically extended to form a third mounting plate, the edge of the third mounting plate is provided with a mounting hole corresponding to the position of the first fixing groove, the edge of the second mounting plate is vertically extended to form a fourth mounting plate, and the fourth mounting plate is provided with a mounting hole corresponding to the position of the fourth fixing groove; the main beam and the auxiliary beam are made of aluminum alloy. The technical proposal has the advantages that: can realize quick demountable installation between girder, auxiliary beam and the connecting piece, girder, auxiliary beam have constituted the main frame of automobile body, and required spare part kind is few, conveniently carries out standardized operation, and installation cost is low, and structural strength is high, and the maintenance of being convenient for.
However, this solution has the following drawbacks: firstly, in the scheme, the structural strength of a single connecting piece is weaker, and when the connecting piece is applied to a connecting point with higher structural strength requirement, the two connecting pieces are symmetrically installed at the same time, so that the structural stability can be ensured; and the third mounting plate and the fourth mounting plate of the connecting piece are respectively fixedly arranged on the first mounting surface of the main beam and the fourth mounting surface of the auxiliary beam through screws, so that the surface of the joint of the first mounting surface and the fourth mounting surface is uneven, and the subsequent bonding of glass, window frames, side skins or interior trim parts made of different materials is inconvenient.
Disclosure of Invention
The invention provides an automobile framework, an automobile roof framework and an automobile side wall framework, and aims to solve the problems.
The invention adopts the following technical scheme:
an automobile framework comprises a plurality of connection points formed by mutually perpendicular connection of a plurality of automobile beams, wherein the connection points comprise first connection points, and the first connection points are formed by connecting a first automobile beam and a second automobile beam through connecting pieces; the first connecting piece comprises a connecting plate and L-shaped guard plates, wherein the internal corners of the two L-shaped guard plates are oppositely arranged at two ends of the connecting plate outwards, so that one side of the first connecting piece forms a U-shaped mounting part, and the other side of the first connecting piece forms a mounting surface; one end of the first vehicle beam is inserted into the mounting part, and the side wall of the second vehicle beam is fixedly arranged on the mounting surface.
Further, a boss I is arranged on an external corner surface of the L-shaped guard plate, the connecting plate is arranged between the bosses I of the two L-shaped guard plates, and the mounting part is formed; the end of the first beam is provided with a first mounting groove which is embedded with the mounting part.
Further, the other Yang Jiaomian of the L-shaped guard plates is provided with a second boss, the second bosses of the two L-shaped guard plates form the mounting surface, and the side wall of the second vehicle beam is provided with a second mounting groove which is embedded with the mounting surface.
Further, this automobile skeleton still includes the second tie point, the second tie point comprises third roof beam and fourth roof beam through connecting piece two connection, connecting piece two is the L type, two connecting piece two reentrant corners outwards set up in opposite directions in the lateral wall of fourth roof beam, the middle part peg graft have the third roof beam.
Further, a boss III is arranged on an external corner surface of the second connecting piece, and third mounting grooves which are embedded with the bosses in three phases are formed in two side walls of the third vehicle beam.
Further, the other Yang Jiaomian of the second connecting piece is provided with a boss IV, and the side wall of the fourth vehicle beam is provided with a fourth mounting groove which is embedded with the boss IV.
Furthermore, the first vehicle beam, the second vehicle beam, the third vehicle beam, the fourth vehicle beam, the first connecting piece and the second connecting piece are all aluminum alloy sections.
Still further, the first connection point has a structural strength greater than that of the second connection point.
An automobile framework comprises a top cover framework and a side wall framework, wherein the top cover framework comprises a top arc rod and a top side longitudinal beam, and the side wall framework comprises an upright post connected with the top side longitudinal beam; the top edge longitudinal beam and the upright post are connected through the first connecting piece and form a first connecting point; the two top edge longitudinal beams are provided with a plurality of top arc rods through the second connecting piece, and the top arc rods form a second connecting point.
The automobile roof framework comprises a roof arc rod and top side longitudinal beams, wherein a plurality of roof arc rods are arranged between the two top side longitudinal beams through the second connecting piece, and the roof arc rods form a second connecting point.
The automobile side wall skeleton comprises a top side longitudinal beam, a waist beam, a bottom side longitudinal beam and upright posts, wherein a plurality of upright posts are arranged between the waist beam and the top side longitudinal beam and between the waist beam and the bottom side longitudinal beam through the first connecting piece, and the first connecting point is formed.
The automobile side wall skeleton comprises a top side longitudinal beam, a waist beam, a bottom side longitudinal beam, a reinforcing beam and upright posts, wherein a plurality of upright posts are arranged between the waist beam and the top side longitudinal beam and between the waist beam and the bottom side longitudinal beam through the first connecting piece, and the upright posts form a first connecting point; and a plurality of reinforcing beams are arranged between two adjacent upright posts through the second connecting piece, and the second connecting point is formed.
Compared with the prior art, the invention has the beneficial effects that:
1. the first vehicle beam, the second vehicle beam and the connecting piece I can be quickly and detachably installed, and form a main frame of the vehicle body; the first connecting piece adopts a symmetrical integrated design, has a simple and practical structure, and can meet the high requirement of main connecting points of the automobile framework on the structural strength; the installation department of connecting piece one is pegged graft in the tip of first roof beam, and the installation face sets firmly in the lateral wall of second roof beam, can not cause the interference to other sides of first roof beam and second roof beam, does not influence follow-up relevant accessory bond and lay, has overcome prior art's defect.
2. According to the invention, three connecting pieces with different structural strengths are designed according to different requirements of different parts of the automobile framework on the structural strength, and each connecting piece can be matched with bolts to assemble various aluminum profiles into an automobile framework structure, so that the welding connection mode adopted by the existing all-aluminum bus is replaced, the assembly and disassembly of the automobile framework are more flexible and convenient, the variability of the assembly process and the technical state of glass, window frames, skins and cabins of the bus is fully considered, and the market adaptability of the aluminum alloy body structure is greatly improved.
3. The clamping groove type combined design of the embedded groove and the boss can increase the contact area of the aluminum profile and the connecting piece, ensure uniform stress between the aluminum profile and the connecting piece, further increase the stability of the structure, improve the bending resistance and torsion resistance of the vehicle, and improve the reliability and safety of the vehicle.
4. The automobile framework structure provided by the invention is formed by assembling various aluminum profile matched connecting pieces, each component is simple in structural design, high in material utilization rate and light weight level, and can be flexibly applied to different parts of a passenger car body or different types of passenger car bodies according to design requirements and structural requirements, so that large-scale standardized production is convenient, and the automobile framework structure meets the characteristics of production and manufacturing processes of various passenger cars in small batches.
In summary, the invention overcomes the defects of the prior art, is suitable for large-scale design and manufacture of the bus body framework, and has the advantages of high light weight level, high material utilization rate, strong structural stability, good technical state adaptability and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of a first connector according to the present invention.
Fig. 3 is a schematic structural diagram of a second connector according to the present invention.
Fig. 4 is a schematic structural view of an aluminum profile one in the present invention.
Fig. 5 is a schematic structural diagram of a second aluminum profile in the present invention.
Fig. 6 is a schematic structural view of the column according to the present invention.
Fig. 7 is a schematic structural diagram of an aluminum profile III in the invention.
FIG. 8 is a schematic view of the assembly of the top side rail and the pillar in accordance with the present invention.
Fig. 9 is an assembly schematic diagram of a wale and a column in the present invention.
Fig. 10 is a schematic structural view of an aluminum profile four in the present invention.
Fig. 11 is a schematic structural view of a third connecting member according to the present invention.
Fig. 12 is an enlarged schematic view of a portion a of fig. one.
Fig. 13 is an enlarged schematic view of a portion B of fig. one.
Fig. 14 is an enlarged schematic view of a portion C of fig. one.
Detailed Description
Specific embodiments of the present invention will be described below with reference to the accompanying drawings. Numerous details are set forth in the following description in order to provide a thorough understanding of the present invention, but it will be apparent to one skilled in the art that the present invention may be practiced without these details.
Referring to fig. 1, 2 and 3, an automobile framework comprises a plurality of connection points formed by mutually perpendicular connection of a plurality of automobile beams, wherein the plurality of connection points comprise a first connection point and a second connection point, the first connection point is formed by connecting a first automobile beam and a second automobile beam through a first connecting piece 15, and the second connection point is formed by connecting a third automobile beam and a fourth automobile beam through a second connecting piece 23.
Referring to fig. 1 and 2, the first connector 15 includes a connection plate 153 and L-shaped guard plates 154, and the two L-shaped guard plates 154 are disposed at opposite ends of the connection plate 153 with their inner corners facing outwardly, so that one side of the first connector 15 forms a U-shaped mounting portion 155 and the other side forms a mounting surface. One end of the first beam is inserted into the mounting portion 155, and a side wall of the second beam is fixedly disposed on the mounting surface.
Referring to fig. 1 and 2, specifically, an external corner surface of the L-shaped guard plate 154 is provided with a boss first 151, a connecting plate 153 is arranged between the bosses first 151 of the two L-shaped guard plates 154, and a mounting portion 155 is formed, and a first mounting groove is formed at an end portion of the first beam and is engaged with the mounting portion 155; the other Yang Jiaomian of the L-shaped shields 154 is provided with a second boss 152, the second bosses 152 of the L-shaped shields 154 form the mounting surface, and the side wall of the second beam is provided with a second mounting groove which is embedded with the mounting surface. More specifically, the L-shaped guard plate 154 is provided with a plurality of first mounting screw holes 156 arranged along the first boss 151 and the second boss 152; the connecting plate 153 is provided with lightening holes 158 near the left and right sides of the L-shaped guard plate; the L-shaped guard plate 154 is provided with a first ramp 157 at the inside corner for increasing the structural strength, and the first ramp 157, the L-shaped guard plate 154, the first boss 151, the second boss 152 and the connecting plate 153 are integrally formed.
Referring to fig. 1 and 3, the second connecting member 23 is L-shaped, the inside corners of the second connecting member 23 are oppositely disposed on the side wall of the fourth beam, and the third beam is inserted in the middle.
Referring to fig. 1 and 3, specifically, an external corner surface of the second connecting piece 23 is provided with a third boss 231, and both side walls of the third beam are provided with third mounting grooves which are engaged with the third boss 231; the other Yang Jiaomian of the second connecting member 23 is provided with a fourth boss 232, and a fourth mounting groove engaged with the fourth boss 232 is formed in a side wall of the fourth beam. More specifically, the second connector 23 is provided with a plurality of second mounting screw holes 234 along the third boss 231 and the fourth boss 232, and a second ramp 233 for increasing structural strength is provided at the internal corner of the second connector 23.
Referring to fig. 1, 2 and 3, the first beam, the second beam, the third beam, the fourth beam, the first connecting member 15 and the second connecting member 23 are all aluminum alloy sections, and the structural strength of the first connecting point is greater than that of the second connecting point. The first connection point and the second connection point may be distributed at a plurality of different connection positions of the automobile skeleton, and the following embodiments will mainly take the side wall skeleton 1 in the automobile skeleton as an example for explanation and analysis, but the practical application of the first connection point and the second connection point is not limited to this embodiment.
Referring to fig. 1, 12, 13 and 14, an automobile chassis includes a roof chassis 2, a front wall chassis 3, a rear wall chassis 4 and both side wall chassis 1. The side wall skeleton 1 comprises a top side longitudinal beam 11, a waist beam 13, a bottom side longitudinal beam 14, a reinforcing beam 16, a stand column 12 and a small stand column 17. A plurality of upright posts 12 are arranged between the waist rail 13 and the top side longitudinal beam 11 and between the waist rail 13 and the bottom side longitudinal beam 14 through a first connecting piece 15, and the first connecting points are formed; a plurality of reinforcing beams 16 are arranged between two adjacent upright posts 12 through a second connecting piece 23, and the second connecting point is formed; a plurality of small upright posts 17 are arranged between the top side longitudinal beam 11 and the stiffening beam 16 closest to the top side longitudinal beam through a second connecting piece 23.
Referring to fig. 4, specifically, the top side rail 11 is an aluminum profile one 110, the cross section of the aluminum profile one 110 is similar to a sector, a cavity one 111 is provided in the middle along the axial direction, a left groove one 112 and a right groove one 113 are provided on two sides, and a concave portion one 114 and a concave portion two 115 are provided on corners of the arc side and the two sides, respectively. More specifically, the first aluminum profile 110 is provided with a first right trapezoid through hole 116 at the corners of the two sides of the first left groove 112 and the first right groove 113; two supporting walls 117 are arranged in the first cavity 111; the lower side of the cross section of the aluminum profile one 110 is symmetrically provided with two T-shaped reinforcing ribs 118. The arrangement of the first cavity 111 and the first through hole 116 can sufficiently reduce the weight of the first aluminum profile 110, and is helpful for further improving the light weight level of the passenger car. The supporting wall 117 can play a role of supporting the arc surface, and can effectively improve the deformation resistance of the aluminum profile one 110.
Referring to fig. 5 and 6, specifically, the upright post 12, the bottom side girder 14, the reinforcing beam 16, and the small upright post 17 are all aluminum profiles two 120, the cross section of the aluminum profile two 120 is approximately rectangular, a cavity two 121 is arranged in the middle along the axis direction, and grooves two 122 are symmetrically arranged on two sides; and the two ends of the upright post 12 are provided with a relief groove 123 matched with the connecting plate 153 at the second groove 122. More specifically, the second through holes 124 in a right trapezoid shape are respectively arranged at the sides and four corners of the cross section of the second aluminum profile 120. The arrangement of the second cavity 121 and the second through hole 124 can fully lighten the weight of the second aluminum profile 120, and is beneficial to further improving the light weight level of the passenger car.
Referring to fig. 7, specifically, the wale 13 is an aluminum profile three 130, the cross section of the aluminum profile three 130 is approximately rectangular, a cavity three 131 is provided in the middle along the axial direction, grooves three 132 are provided symmetrically on both sides, and recesses three 133 are provided at the corners of the upper and left sides. More specifically, cavity three 131 has an inclined stiffening wall 134 disposed therein; the third aluminum profile 130 is provided with a third right trapezoid through hole 135 at the corners of the two sides of the third groove 132. The arrangement of the cavity III 131 and the through hole III 135 can fully lighten the weight of the aluminum profile III 130, and is beneficial to further improving the light weight level of the passenger car.
With reference to fig. 1 to 9, 13 and 14, a specific assembly mode when the first connection point and the second connection point are applied to side frame 1 will be described:
(1) A plurality of upright posts 12 are arranged between the waist rail 13 and the top edge longitudinal beam 11 through a first connecting piece 15, and the first connecting point is formed: the first connecting pieces 15 are fixedly inserted into the two ends of the upright post 12 through the mounting parts 155 respectively; the boss second 152 of one of the first connecting members 15 is fixedly embedded in the right groove first 113 of the top side longitudinal beam 11 through a bolt (not shown) matched with the first mounting screw hole 156, and the boss second 152 of the other connecting member 15 is fixedly embedded in the groove third 132 of the waist rail 13 through a bolt matched with the first mounting screw hole 156. Wherein, the upright post 12 corresponds to the first vehicle beam, and the groove two 122 and the abdication groove 123 at two ends of the upright post 12 jointly form a first mounting groove of the first vehicle beam; the top side rail 11 and the wale 13 correspond to the second vehicle beam, and the right groove 113 of the top side rail 11 and the groove three 132 of the wale 13 respectively form the second mounting groove of the second vehicle beam.
(2) A plurality of upright posts 12 are arranged between the waist beam 13 and the bottom side longitudinal beam 14 through a first connecting piece 15, and the first connecting point is formed: the first connecting pieces 15 are fixedly inserted into the two ends of the upright post 12 through the mounting parts 155 respectively; the boss second 152 of one first connecting piece 15 is fixedly embedded in the groove third 132 of the waist rail 13 through the first bolt-fit mounting screw hole 156, and the boss second 152 of the other first connecting piece 15 is fixedly embedded in the groove second 122 of the bottom edge longitudinal beam 14 through the first bolt-fit mounting screw hole 156. Wherein, the upright post 12 corresponds to the first vehicle beam, and the groove two 122 and the abdication groove 123 at two ends of the upright post 12 jointly form a first mounting groove of the first vehicle beam; the side sill 13 and the bottom side rail 14 correspond to the second vehicle beam, and the third groove 132 of the side sill 13 and the second groove 122 of the bottom side rail 14 respectively form a second mounting groove of the second vehicle beam.
(3) A plurality of reinforcing beams 16 are arranged between two adjacent upright posts 12 through a second connecting piece 23, and the second connecting point is formed: the second grooves 122 on the two sides of the end part of the reinforcing beam 16 are fixedly embedded with the second connecting piece 23 through the third boss 231 matched with bolts, and the fourth boss 232 of the connecting piece 23 is fixedly embedded with the second grooves 122 of the upright post 12. Wherein the reinforcement beam 16 corresponds to the third vehicle beam, and the second groove 122 of the reinforcement beam 16 forms the third mounting groove; the upright 12 corresponds to the fourth beam, and the second groove 122 of the upright 12 constitutes the fourth mounting groove.
(4) A plurality of small upright posts 17 are arranged between the top edge longitudinal beam 11 and the stiffening beam 16 closest to the top edge longitudinal beam through a second connecting piece 23: the second groove 122 on at least one side of the upper end part of the small upright post 17 is fixedly embedded with the second connecting piece 23 through the third boss 231 matched with the bolt, and the fourth boss 232 of the connecting piece 23 is fixedly embedded with the first right groove 113 of the top edge longitudinal beam; the second groove 122 on at least one side of the lower end part of the small upright post 17 is fixedly embedded with the second connecting piece 23 through the third boss 231 matched with the bolt, and the fourth boss 232 of the connecting piece 23 is fixedly embedded with the second groove 122 of the reinforcing beam 16. Because the small upright 17 only plays a role of auxiliary support, the requirement on structural strength is not high, and only one connecting piece II 23 is needed to be connected with the top side longitudinal beam 11 and the reinforcing beam 16 respectively. In order to sufficiently secure the stability of the structure, the assembly method of the present embodiment is preferably as follows: and a second connecting piece is arranged on different sides of the upper end and the lower end of the small upright post 17 respectively. But the manner of assembly thereof is not limited thereto.
(5) The groove III 132 of the waist beam 13, the upright post 12 and the groove II 122 of the stiffening beam 16 are provided with decorative longitudinal beams 18 in a covering manner at the installation position of the aluminum alloy vehicle window, so that the plane extension line on the decorative longitudinal beams 18 is flush with the bolts on the first connecting piece 15 and the second connecting piece 23, and forms a right angle with the first inclined platform 157 and the second inclined platform 233, thereby facilitating the subsequent installation of the sliding aluminum frame sliding window and solving the technical problem that other aluminum alloy vehicle body structures cannot be provided with the sliding aluminum frame sliding window.
Referring to fig. 1 and 12, the roof framework 2 includes a roof arc rod 21, roof stringers 22, top edge stringers 11, a second connecting piece 23 and a third connecting piece 24, and a plurality of roof arc rods 21 are arranged between the two top edge stringers 11 through the second connecting piece 23 and form the second connecting point; a plurality of top longitudinal beams 22 are arranged between two adjacent top arc rods 21 through a connecting piece three 24.
Referring to fig. 10, specifically, the top arc rod 21 and the top longitudinal beam 22 are aluminum profiles four 210, the cross section of the aluminum profiles four 210 is approximately rectangular, two mutually symmetrical grooves four 211 are formed by inward recessing on the side surfaces of two long sides, and cavities four 212 are formed at the upper end and the lower end of the middle part along the axial direction of the grooves four. More specifically, the cross section of the aluminum profile IV 210 is provided with a rectangular through hole IV 213 at the middle of the two grooves IV 211. The arrangement of the cavity IV 212 and the through hole IV 213 can fully lighten the weight of the aluminum profile IV 210, and is beneficial to further improving the light weight level of the passenger car.
Referring to fig. 11, specifically, the third connecting member 24 has an L shape, and the two external corner surfaces of the third connecting member 24 are respectively provided with a fifth boss 241 and a sixth boss 242. The third connecting piece 24 is provided with a third mounting screw hole 243 along the fifth boss 241 and the sixth boss 242.
Referring to fig. 1, 3, 4, 10, 11, 12 and 14, a specific assembly method of the roof skeleton 2 will be described:
(1) A plurality of arc-ejecting rods 21 are arranged between the two top edge stringers 11 through a second connecting piece 23, and the second connecting point is formed: the fourth grooves 211 on the two sides of the end part of the top arc rod 21 are fixedly embedded with the second connecting piece 23 through the third boss 231 matched with bolts, and the fourth boss 232 of the second connecting piece 23 is fixedly embedded with the first left groove 112 of the top edge longitudinal beam 11. Wherein, the arc-ejecting rod 21 corresponds to the third beam, and the groove IV 211 of the arc-ejecting rod 21 forms the third mounting groove; the top side member 11 corresponds to the fourth frame member, and the left groove one 112 of the top side member 11 constitutes the fourth mounting groove.
(2) A plurality of top longitudinal beams 22 are arranged between two adjacent top arc rods 21 through a connecting piece three 24: the fourth grooves 211 on the two sides of the end part of the top longitudinal beam 22 are fixedly embedded with the third connecting piece 24 through the fifth boss 241 and the bolt, and the sixth boss 242 of the third connecting piece 24 is fixedly embedded with the fourth groove 211 of the top arc rod 21.
Referring to fig. 1, 5, 10 and 14, the front wall skeleton 3 includes a front top arc rod 31 and two front wall side posts 32, and the rear wall skeleton 4 includes a rear top arc rod 41 and two rear wall side posts 42; the front top arc rod 31 and the rear top arc rod 41 are aluminum profiles four 210, and the front wall side upright 32 and the rear wall side upright 42 are aluminum profiles two 120. The front arc ejection rod 31 and the rear arc ejection rod 41 are respectively fixedly arranged on the arc ejection rods 21 on two sides of the top cover bracket 2; the top side longitudinal beam 11, the waist beam 13 and the bottom side longitudinal beam 14 are connected between the adjacent front wall side upright posts 32 and the rear wall side upright posts 42, so that a complete automobile framework structure is assembled.
Referring to fig. 1, 2, 3, 5, 9, 10 and 14, a specific assembly method of the roof skeleton 2 will be described:
(1) The upper side and the lower side between the adjacent front wall side upright posts 32 and the rear wall side upright posts 42 are respectively connected with a top side longitudinal beam 11 and a bottom side longitudinal beam 14 through a connecting piece II 23 matched with bolts. The specific connection and fixing manner is the same as the connection manner between the small upright 17 and the top side rail 11, and can be understood and implemented by those skilled in the art with reference to the above description, so that the details are not repeated here.
(2) The waist beam 13 is provided at the middle part between the adjacent front surrounding side column 32 and rear surrounding side column 42 through the first connecting piece 15, and constitutes the first connecting point. The wale 13 corresponds to the first beam, and the two ends of the wale 13 are provided with a yielding groove (not shown in the figure) at the position of the groove three 132, which is matched with the connecting plate 153, and the groove three 132 and the yielding groove together form a first mounting groove of the first beam; the front wall side pillar 32 and the rear wall side pillar 42 correspond to the second vehicle beam, and the second grooves 122 of the front wall side pillar 32 and the rear wall side pillar 42 respectively constitute the second mounting grooves of the second vehicle beam. The specific connection and fixation manner is the same as the connection manner between the upright post 12 and the waist beam 13, and can be understood and implemented by those skilled in the art with reference to the above description, so that the detailed description is omitted herein.
(3) As a preferable scheme: the front arc-ejecting rod 31 and the rear arc-ejecting rod 41 are respectively and directly fixed on the arc-ejecting rods 21 on two sides of the top cover bracket 2 through bolts.
Referring to fig. 1 to 14, as a preferable scheme: the cross sections of the left groove I112, the right groove I113, the groove II 122, the groove III 132 and the groove IV 211 are isosceles trapezoids; the first boss 151, the second boss 152, the third boss 231, the fourth boss 232, the fifth boss 241 and the sixth boss 242 are respectively embedded with the first left groove 112, the first right groove 113, the second groove 122, the third groove 132 and the fourth groove 211. The contact area of the aluminum profile and the connecting piece can be increased by the clamping groove type combined design of the embedded groove and the boss, and the stress between the aluminum profile and the connecting piece is ensured to be uniform, so that the stability of the structure is improved, the bending resistance and the torsion resistance of the vehicle are improved, and the reliability and the safety of the vehicle are improved.
Referring to fig. 1 to 14, as a preferable scheme: the cross-sections of the first recess 114, the second recess 115 and the third recess 133 are all L-shaped. When the aluminum profile I110, the aluminum profile II 120, the aluminum profile III 130 and the aluminum profile IV 210 are applied to a passenger car body structure, glass, window frames, side skins or interior trim pieces of different materials are usually required to be adhered to the outer surfaces of the aluminum profile I110 and the aluminum profile III, and according to the specific use environments (respectively applied to the top edge longitudinal beam 11 and the waist beam 13) of the aluminum profile I110 and the aluminum profile III, L-shaped concave parts are formed on the outer surfaces of the aluminum profile I and the aluminum profile III, and are used for adhering glass, window frames, side skins or interior trim pieces of different materials with different thicknesses, the outer surfaces of the adhered glass, window frames, side skins or interior trim pieces of different materials can be ensured to be in the same plane, and accordingly the attractiveness of the passenger car is ensured.
Referring to fig. 1 to 14, it should be noted that, when the aluminum profile one 110, the aluminum profile two 120, the aluminum profile three 130 and the aluminum profile four 210 are applied to the passenger car body structure, besides the scheme provided in this embodiment, the method can be flexibly applied to different parts of the passenger car body or different types of passenger car bodies according to actual design needs and structural requirements. The structural strength of the first connecting piece 15, the second connecting piece 23 and the third connecting piece 24 is reduced from strong to weak, the first connecting piece 15 is mainly applied to the connection between aluminum profiles with higher structural strength requirements, and the second connecting piece 23 and the third connecting piece 24 are mainly applied to the connection between aluminum profiles with lower structural strength requirements. Therefore, when the first connecting piece 15, the second connecting piece 23 and the third connecting piece 24 are applied to the passenger car body structure, besides the assembly scheme provided by the embodiment, the assembly can be selected according to specific requirements of specific aluminum profile structures and assembly positions on structural strength and the like.
The foregoing is merely illustrative of specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention by using the design concept shall fall within the scope of the present invention.
Claims (8)
1. The utility model provides an automobile skeleton, includes a plurality of tie points that constitute by the mutually perpendicular connection of a plurality of roof beams, its characterized in that:
the plurality of connection points includes a first connection point and a second connection point, wherein:
the first connecting point is formed by connecting a first vehicle beam and a second vehicle beam through a connecting piece; the first connecting piece comprises a connecting plate and L-shaped guard plates, wherein the internal corners of the two L-shaped guard plates are oppositely arranged at two ends of the connecting plate outwards, so that one side of the first connecting piece forms a U-shaped mounting part, and the other side of the first connecting piece forms a mounting surface; one end of the first vehicle beam is inserted into the mounting part, and the side wall of the second vehicle beam is fixedly arranged on the mounting surface; a boss I is arranged on an external corner surface of the L-shaped guard plate, the connecting plate is arranged between the bosses I of the two L-shaped guard plates, the mounting part is formed, and a first mounting groove which is embedded with the mounting part is formed at the end part of the first vehicle beam; the other Yang Jiaomian of the L-shaped guard plates is provided with a boss II, the bosses II of the two L-shaped guard plates form the mounting surface, and the side wall of the second vehicle beam is provided with a second mounting groove which is embedded with the mounting surface;
the second connecting point is formed by connecting a third vehicle beam and a fourth vehicle beam through a second connecting piece, the second connecting piece is L-shaped, the two concave angles of the second connecting piece are oppositely arranged on the side wall of the fourth vehicle beam outwards, and the third vehicle beam is inserted in the middle of the second connecting piece; a boss III is arranged on an external corner surface of the connecting piece II, and third mounting grooves which are embedded with the bosses in three phases are formed in two side walls of the third vehicle beam; the other Yang Jiaomian of the connecting piece II is provided with a boss IV, and the side wall of the fourth vehicle beam is provided with a fourth mounting groove which is embedded with the boss IV;
the side wall framework comprises a top side longitudinal beam, a waist beam, a bottom side longitudinal beam, a reinforcing beam and an upright post; the top edge longitudinal beam is an aluminum profile I, the cross section of the aluminum profile I is in a fan shape, a cavity I is formed in the middle of the aluminum profile I along the axis direction, a left groove I and a right groove I are respectively formed in two side edges, and a concave part I and a concave part II are respectively formed in corners of the arc-shaped edges and the two side edges; the upright post, the bottom side longitudinal beam and the stiffening beam are all aluminum profiles II, the cross section of the aluminum profile II is rectangular, a cavity II is formed in the middle of the aluminum profile II along the axis direction, grooves II are symmetrically formed in the two side edges of the aluminum profile II, and the two ends of the upright post are provided with abdicating grooves matched with the connecting plate at the grooves II; the waist beam is an aluminum section III, the cross section of the aluminum section III is rectangular, a cavity III is formed in the middle of the aluminum section III along the axis direction, grooves III are symmetrically formed in the two side edges of the waist beam, and a concave part III is formed in the corner of the upper edge and the left edge of the waist beam;
the specific assembly mode of the first connecting point and the second connecting point when being applied to the side wall skeleton is as follows:
(1) The waist beam and the top edge longitudinal beam are provided with a plurality of upright posts through the first connecting piece, and the first connecting point is formed: the upright post is equivalent to the first vehicle beam, and the grooves II at the two ends of the upright post and the abdication groove jointly form a first mounting groove of the first vehicle beam; the top side longitudinal beam and the waist beam are equivalent to the second vehicle beam, and a right groove I of the top side longitudinal beam and a groove III of the waist beam respectively form a second mounting groove of the second vehicle beam;
(2) A plurality of upright posts are arranged between the waist beam and the bottom edge longitudinal beam through a first connecting piece, and the first connecting point is formed: the upright post is equivalent to the first vehicle beam, and the grooves II at the two ends of the upright post and the abdication groove jointly form a first mounting groove of the first vehicle beam; the waist beam and the bottom edge longitudinal beam are equivalent to the second vehicle beam, and the groove III of the waist beam and the groove III of the bottom edge longitudinal beam respectively form a second mounting groove of the second vehicle beam;
(3) A plurality of reinforcing beams are arranged between two adjacent upright posts through the second connecting piece, and the second connecting point is formed: the reinforcing beam is equivalent to the third car beam, and the second groove of the reinforcing beam forms the third mounting groove; the upright post is equivalent to the fourth car beam, and the second groove of the upright post forms the fourth mounting groove.
2. An automobile chassis according to claim 1, wherein: the side wall skeleton also comprises a small upright post, and the small upright post is an aluminum profile II; and a plurality of small upright posts are arranged between the top side longitudinal beam and the stiffening beam closest to the top side longitudinal beam through a second connecting piece.
3. An automobile chassis according to claim 1, wherein: and the third groove of the waist beam, the second grooves of the upright posts and the reinforcing beams are provided with decorative longitudinal beams in a covering manner at the installation positions of the aluminum alloy car window.
4. An automobile chassis according to claim 1, wherein: the top cover framework comprises a top arc rod and a top edge longitudinal beam, the top arc rod is an aluminum section IV, the cross section of the aluminum section IV is rectangular, two long side surfaces are inwards sunken to form two mutually symmetrical grooves IV, and the upper end and the lower end of the middle part are provided with cavities IV along the axial direction of the grooves IV;
the specific assembly mode when the second connection point is applied to the top cover framework is as follows:
a plurality of top arc rods are arranged between the two top edge longitudinal beams through the second connecting piece, and the second connecting point is formed: the arc-ejecting rod is equivalent to the third car beam, and a groove IV of the arc-ejecting rod forms the third mounting groove; the top side longitudinal beam is equivalent to the fourth car beam, and the first left groove of the top side longitudinal beam forms the fourth mounting groove.
5. An automobile chassis according to claim 4, wherein: the top cover framework further comprises a top longitudinal beam and a connecting piece III, wherein the top longitudinal beam is an aluminum profile IV, the connecting piece III is L-shaped, and a boss IV and a boss VI are respectively arranged on two external corner surfaces of the connecting piece III; a plurality of top longitudinal beams are arranged between every two adjacent top arc rods through a connecting piece III: the groove IV on two sides of the end part of the top longitudinal beam is fixedly embedded with a connecting piece III through a boss five-fit bolt, and the boss six of the connecting piece III is fixedly embedded with the groove IV of the top arc rod.
6. An automobile chassis according to claim 1, wherein: the front wall framework comprises two front wall side stand columns, the rear wall framework comprises two rear wall side stand columns, and the front wall side stand columns and the rear wall side stand columns are aluminum profiles II;
the specific assembly mode of the first connecting point when being applied to the top cover framework is as follows:
the middle part between the adjacent front wall side stand column and the rear wall side stand column is provided with a waist beam through a first connecting piece, and the first connecting point is formed: the waist beam is equivalent to the first vehicle beam, the two ends of the waist beam are provided with abdicating grooves matched with the connecting plates at three positions of the grooves, and the grooves III and the abdicating grooves jointly form a first mounting groove of the first vehicle beam; the front wall side stand column and the rear wall side stand column are equivalent to the second vehicle beam, and the grooves of the front wall side stand column and the rear wall side stand column respectively form a second mounting groove of the second vehicle beam.
7. An automobile chassis according to claim 6, wherein: the front wall framework further comprises a front top arc rod, and the rear wall framework comprises a rear top arc rod; the front top arc rod and the rear top arc rod are aluminum profiles IV, and the upper side and the lower side between the adjacent front wall side stand column and the rear wall side stand column are respectively connected with the top edge longitudinal beam and the bottom edge longitudinal beam through the second connecting piece matched bolts.
8. An automobile chassis according to any one of claims 1 to 7, wherein: the first connection point has a structural strength greater than that of the second connection point.
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| CN201910364804.2A CN109969272B (en) | 2019-04-30 | 2019-04-30 | Automobile framework, automobile top cover framework and automobile side wall framework |
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| CN201910364804.2A CN109969272B (en) | 2019-04-30 | 2019-04-30 | Automobile framework, automobile top cover framework and automobile side wall framework |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112441143B (en) | 2019-08-30 | 2022-06-10 | 比亚迪股份有限公司 | Body frame and vehicle having the same |
| CN112441144B (en) | 2019-08-30 | 2022-03-18 | 比亚迪股份有限公司 | Vehicle body framework connects and has its vehicle |
| CN112441142B (en) * | 2019-08-30 | 2022-04-15 | 比亚迪股份有限公司 | Body frame joint and vehicle having the same |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101863290A (en) * | 2010-06-13 | 2010-10-20 | 贾秉成 | Lightweight total-bearing body frame structure |
| CN203544138U (en) * | 2013-06-24 | 2014-04-16 | 东风汽车公司 | Light-duty passenger car body top cover skeleton structure |
| CN205769637U (en) * | 2016-05-19 | 2016-12-07 | 福建省南平铝业股份有限公司 | A kind of aluminium section connecting pieces |
| CN106864599A (en) * | 2017-04-02 | 2017-06-20 | 苏州安耐驰汽车科技有限公司 | A kind of vehicular modular skeleton component |
| CN207725498U (en) * | 2018-01-22 | 2018-08-14 | 无锡精科汽车配件有限公司 | Vehicle section bar connecting elements |
| CN207725497U (en) * | 2018-01-22 | 2018-08-14 | 无锡精科汽车配件有限公司 | Vehicle section bar connector |
| JP2018177125A (en) * | 2017-04-19 | 2018-11-15 | トヨタ車体株式会社 | Vehicle roof structure |
| CN209719750U (en) * | 2019-04-30 | 2019-12-03 | 厦门金龙联合汽车工业有限公司 | A car frame, a car roof frame and a car side wall frame |
| CN209719748U (en) * | 2019-04-30 | 2019-12-03 | 厦门金龙联合汽车工业有限公司 | A kind of car connector |
-
2019
- 2019-04-30 CN CN201910364804.2A patent/CN109969272B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101863290A (en) * | 2010-06-13 | 2010-10-20 | 贾秉成 | Lightweight total-bearing body frame structure |
| CN203544138U (en) * | 2013-06-24 | 2014-04-16 | 东风汽车公司 | Light-duty passenger car body top cover skeleton structure |
| CN205769637U (en) * | 2016-05-19 | 2016-12-07 | 福建省南平铝业股份有限公司 | A kind of aluminium section connecting pieces |
| CN106864599A (en) * | 2017-04-02 | 2017-06-20 | 苏州安耐驰汽车科技有限公司 | A kind of vehicular modular skeleton component |
| JP2018177125A (en) * | 2017-04-19 | 2018-11-15 | トヨタ車体株式会社 | Vehicle roof structure |
| CN207725498U (en) * | 2018-01-22 | 2018-08-14 | 无锡精科汽车配件有限公司 | Vehicle section bar connecting elements |
| CN207725497U (en) * | 2018-01-22 | 2018-08-14 | 无锡精科汽车配件有限公司 | Vehicle section bar connector |
| CN209719750U (en) * | 2019-04-30 | 2019-12-03 | 厦门金龙联合汽车工业有限公司 | A car frame, a car roof frame and a car side wall frame |
| CN209719748U (en) * | 2019-04-30 | 2019-12-03 | 厦门金龙联合汽车工业有限公司 | A kind of car connector |
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