Multi-material mixed structure vehicle door of heavy truck

Abstract

The invention relates to a heavy truck multi-material mixed structure door which comprises a door outer plate assembly, an aluminum profile framework assembly and a door inner protective plate, the door outer plate assembly is arranged at one end of the aluminum profile framework assembly, and a door frame upper ornament and the door inner protective plate are arranged at the other end of the aluminum profile framework assembly; the car door outer plate assembly and the reinforcing plate are both made of non-metal materials with the thickness of 3 mm; the connecting structure of the vehicle door outer plate assembly, the vehicle door inner protection plate and the door frame upper ornament and the aluminum profile framework assembly is simple, the vehicle door outer plate assembly is made of non-metal materials, the framework assembly is made of aluminum profiles, the vehicle door is made to be light, and cost is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of automobiles, and particularly to a multi-material hybrid structure door for heavy trucks. Background Art

[0002] Automobile lightweighting has become a trend in the industry. The main materials used for the truck body-in-white of domestic mainstream automobile manufacturers are still mainly soft steel, and the application of lightweight materials and lightweight process technologies is relatively less. There are also some automobile manufacturers conducting research on lightweight structures using materials such as aluminum plates and carbon fibers. The existing heavy truck doors in China are mainly made of soft steel. The inner and outer panels and the reinforcement plates of the door are stamped and formed, and are connected together by hemming and spot welding.

[0003] However, the doors produced by the existing technology are relatively heavy, and it is difficult to reduce the weight. Usually, without affecting the mold, high-strength steel is used, the material thickness is reduced to reduce the door weight, or the door structure is optimized through topological optimization to reduce the door weight. However, the weight reduction effects of the above two methods are not obvious, and the implementation is difficult, the cycle is long, and the cost is high. Summary of the Invention

[0004] The purpose of the present invention is to provide a multi-material hybrid structure door for heavy trucks in view of the deficiencies of the existing technology. The connection structure between the outer panel assembly of the door, the inner door trim panel, and the upper trim of the door frame and the aluminum profile skeleton assembly is simple. Moreover, the outer panel assembly of the door uses non-metallic materials, and the skeleton assembly uses aluminum profiles, so that the door is lightweight and the cost is reduced.

[0005] The present invention is implemented by adopting the following technical solutions:

[0006] A multi-material hybrid structure door for heavy trucks, including an outer panel assembly of the door, an aluminum profile skeleton assembly, and an inner door trim panel. One end of the aluminum profile skeleton assembly is provided with the outer panel assembly of the door, and the other end of the aluminum profile skeleton assembly is provided with the upper trim of the door frame and the inner door trim panel; both the outer panel assembly of the door and the reinforcement plate are non-metallic materials with a thickness of 3 mm.

[0007] Preferably, the outer panel assembly of the door is provided with welding studs, embedded nuts, glue application grooves, and reinforcement plates. The reinforcement plate is provided with bosses. The welding studs pass through the bosses to fixedly connect the outer panel assembly of the door and the reinforcement plate. The outer panel assembly of the door is connected to the inner door trim panel and the upper trim of the door frame through bolts in cooperation with the embedded nuts.

[0008] Preferably, the aluminum profile skeleton assembly includes a hinge profile, a lock body profile, a lower side profile of the vehicle door, a front side profile of the vehicle door frame, a rear side profile of the vehicle door frame, and an upper side profile of the vehicle door. A cross beam is provided between the hinge profile and the lock body profile. An upper anti-collision beam and a lower anti-collision beam are respectively provided at the upper and lower ends of the cross beam. A reinforcing profile is provided between the lower anti-collision beam and the lower side profile of the vehicle door. The lock body profile is provided with a lock body mounting plate, the lock body mounting plate is provided with a lock body, the hinge profile is provided with a sleeve nut, and the sleeve nut is connected to the hinge.

[0009] Preferably, the lock body mounting plate is connected to the lock body profile by a blind rivet, and the upper anti-collision beam and the lower anti-collision beam are both connected to the cross beam by blind rivets.

[0010] Preferably, the hinge profile, the lock body profile, the lower side profile of the vehicle door, the front side profile of the vehicle door frame, the rear side profile of the vehicle door frame, and the upper side profile of the vehicle door are all provided with square holes for connecting the outer panel assembly of the vehicle door, the inner trim panel of the vehicle door, and the upper trim of the door frame. <G

[0011] Preferably, the reinforcing plate is further provided with a clamping angle. One end of the reinforcing plate is connected to the outer panel of the vehicle door, and the other end of the reinforcing plate is connected to the aluminum profile skeleton through the cooperation of the clamping angle and the square hole.

[0012] Preferably, the inner trim panel of the vehicle door and the upper trim of the door frame are both provided with clamping angles. One end of the inner trim panel of the vehicle door and the upper trim of the door frame is connected to the aluminum profile skeleton assembly through the cooperation of the clamping angle and the square hole. The other end of the inner trim panel of the vehicle door and the upper trim of the door frame is provided with a sealing groove, and a sponge rubber strip is provided in the sealing groove.

[0013] Compared with the prior art, the present invention has the following beneficial technical effects:

[0014] The connection structure between the outer panel assembly of the vehicle door, the inner trim panel of the vehicle door, and the upper trim of the door frame and the aluminum profile skeleton assembly is simple. Moreover, the outer panel assembly of the vehicle door uses non-metallic materials and the skeleton assembly uses aluminum profiles, making the vehicle door lightweight and reducing costs;

[0015] The outer panel assembly of the vehicle door is provided with a reinforcing plate to improve the stiffness and strength of the outer panel assembly of the vehicle door; the aluminum profile skeleton assembly is composed of a reinforcing profile, a lock body mounting plate, and an anti-collision beam, which plays a role in stable support;

[0016] The inner trim panel of the vehicle door and the upper trim of the door frame are provided with sponge rubber strips, which play a sealing effect on the vehicle door and the cab. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 is a schematic diagram of the structure of the outer panel assembly of the vehicle door in the present invention;

[0019] Figure 3 Schematic diagram of the reinforcing plate in the present invention;

[0020] Figure 4 Installation schematic diagram of the reinforcing plate and the outer door panel assembly of the present invention;

[0021] Figure 5 Connection schematic diagram of the reinforcing plate and the outer door panel assembly of the present invention;

[0022] Figure 6 Schematic diagram of the structure of the aluminum profile skeleton assembly of the present invention;

[0023] Figure 7 Connection schematic diagram of the reinforcing plate and the aluminum profile skeleton assembly of the present invention;

[0024] Figure 8 Connection schematic diagram of the inner door panel and the outer door panel assembly of the present invention;

[0025] Figure 9 Schematic diagram of the structure of the inner door panel of the present invention;

[0026] Figure 10 Schematic diagram of the structure of the upper trim of the door frame of the present invention.

[0027] Annotation of the attached drawings:

[0028] 1. Outer door panel assembly; 11. Reinforcing plate; 12. Welding stud; 13. Embedded nut; 14. Glue application groove; 111. Boss; 112. Clamping angle; 2. Aluminum profile skeleton assembly; 21. Hinge profile; 22. Lock body profile; 221. Lock body mounting plate; 23. Lower side profile of the door; 24. Front side profile of the door window frame; 25. Rear side profile of the door window frame; 26. Upper side profile of the door; 27. Cross beam; 28. Upper anti-collision beam; 29. Lower anti-collision beam; 30. Reinforcing profile; 3. Inner door panel; 4. Upper trim of the door frame; 5. Bolt. Detailed implementation manners

[0029] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0030] As Figures 1 - 10As shown in the figure, a multi-material hybrid structure door for a heavy-duty truck includes an outer door panel assembly 1, an aluminum profile skeleton assembly 2, and an inner door trim 3. One end of the aluminum profile skeleton assembly 2 is provided with the outer door panel assembly 1, and the other end of the aluminum profile skeleton assembly 2 is provided with a door frame upper trim 4 and the inner door trim 3. The outer door panel assembly 1 is provided with a reinforcement plate 11, and both the outer door panel assembly 1 and the reinforcement plate 11 are non-metallic materials with a thickness of 3 mm.

[0031] The outer door panel assembly 1 is provided with welding studs 12, embedded nuts 13, and glue application grooves 14. The reinforcement plate 11 is provided with bosses 111. The welding studs 12 pass through the bosses 111 to fixedly connect the outer door panel assembly 1 and the reinforcement plate 11. The outer door panel assembly 1 is connected to the inner door trim 3 and the door frame upper trim 4 through bolts 5 in cooperation with the embedded nuts 13.

[0032] The reinforcement plate 11 and the outer door panel assembly 1 are heated at high temperature to melt the welding studs 12 and the bosses 111 into one body, connecting the reinforcement plate 11 and the outer door panel assembly 1 together.

[0033] The aluminum profile skeleton assembly 2 includes a hinge profile 21, a lock body profile 22, a lower side door profile 23, a front side door frame profile 24, a rear side door frame profile 25, and an upper side door profile 26. A cross beam 27 is provided between the hinge profile 21 and the lock body profile 22. Upper and lower anti-collision beams 28 and 29 are respectively provided at the upper and lower ends of the cross beam 27. A reinforcement profile 30 is provided between the lower anti-collision beam 29 and the lower side door profile 23. The lock body profile 22 is provided with a lock body mounting plate 221, and a lock body is provided on the lock body mounting plate 221. The hinge profile 21 is provided with a sleeve nut, and the sleeve nut is connected to the hinge.

[0034] The lock body mounting plate 221 is connected to the lock body profile 22 through blind rivets, and both the upper anti-collision beam 28 and the lower anti-collision beam 29 are connected to the cross beam 27 through blind rivets.

[0035] The hinge profile 21, the lock body profile 22, the lower side door profile 23, the front side door frame profile 24, the rear side door frame profile 25, and the upper side door profile 26 are all provided with square holes for connecting the outer door panel assembly 1, the inner door trim 3, and the door frame upper trim 4.

[0036] The reinforcement plate 11 is further provided with clamping corners 112. One end of the reinforcement plate 11 is connected to the outer door panel assembly 1, and the other end of the reinforcement plate 11 is connected to the aluminum profile skeleton assembly 2 through the cooperation of the clamping corners 112 and the square holes.

[0037]

[0038] The outer door panel assembly 1 is first connected to the aluminum profile frame assembly 2 through the clamping corners 112 provided on the reinforcement plate 11. Then, the inner door trim 3 and the door frame trim 4 are connected to the aluminum profile frame assembly 2 through the clamping corners 112. Finally, bolts 5 are used in cooperation with the embedded nuts 13 to connect the outer door panel assembly 1 to the inner door trim 3 and the door frame trim 4, forming a multi-material hybrid structure door.

Claims

1. A multi-material hybrid structure door for a heavy-duty truck, characterized in that, It includes an outer door panel assembly (1), an aluminum profile skeleton assembly (2), and an inner door trim (3). One end of the aluminum profile skeleton assembly (2) is provided with the outer door panel assembly (1), and the other end of the aluminum profile skeleton assembly (2) is provided with a door frame upper trim (4) and the inner door trim (3); the outer door panel assembly (1) is provided with a reinforcement plate (11), and both the outer door panel assembly (1) and the reinforcement plate (11) are non-metallic materials with a thickness of 3 mm.

2. The multi-material hybrid structure door of a heavy-duty truck according to claim 1, wherein The outer door panel assembly (1) is provided with a fusion welding post (12), an embedded nut (13), and an adhesive application groove (14). The reinforcement plate (11) is provided with a boss (111). The fusion welding post (12) passes through the boss (111) to fixedly connect the outer door panel assembly (1) and the reinforcement plate (11). The outer door panel assembly (1) is connected to the inner door trim (3) and the door frame upper trim (4) by bolts (5) in cooperation with the embedded nut (13).

3. The multi-material hybrid structure door for heavy trucks according to claim 2, characterized in that, The aluminum profile skeleton assembly (2) includes a hinge profile (21), a lock body profile (22), a lower side door profile (23), a front side door frame profile (24), a rear side door frame profile (25), and an upper side door profile (26). A cross beam (27) is provided between the hinge profile (21) and the lock body profile (22). An upper anti-collision beam (28) and a lower anti-collision beam (29) are respectively provided at the upper and lower ends of the cross beam (27). A reinforcement profile (30) is provided between the lower anti-collision beam (29) and the lower side door profile (23). The lock body profile (22) is provided with a lock body mounting plate (221), and a lock body is provided on the lock body mounting plate (221). The hinge profile (21) is provided with a sleeve nut, and the sleeve nut is connected to the hinge.

4. The multi-material hybrid structure door of a heavy-duty truck according to claim 3, wherein, The lock body mounting plate (221) is connected to the lock body profile (22) by blind rivets. Both the upper anti-collision beam (28) and the lower anti-collision beam (29) are connected to the cross beam (27) by blind rivets.

5. The multi-material hybrid structure door of a heavy-duty truck according to claim 3, wherein The hinge profile (21), the lock body profile (22), the lower side door profile (23), the front side door frame profile (24), the rear side door frame profile (25), and the upper side door profile (26) are all provided with square holes for connecting the outer door panel assembly (1), the inner door trim (3), and the door frame upper trim (4).

6. The multi-material hybrid structure door of a heavy-duty truck according to claim 5, characterized in that, The reinforcement plate (11) is further provided with a clamping angle (112). One end of the reinforcement plate (11) is connected to the outer door panel assembly (1), and the other end of the reinforcement plate (11) is connected to the aluminum profile skeleton assembly (2) by the cooperation of the clamping angle (112) and the square hole.

7. The heavy truck multi-material hybrid structure door according to claim 2, characterized in that, Both the inner door trim (3) and the door frame upper trim (4) are provided with clamping angles (112). One end of the inner door trim (3) and the door frame upper trim (4) is connected to the aluminum profile skeleton assembly (2) by the cooperation of the clamping angle (112) and the square hole. The other ends of the inner door trim (3) and the door frame upper trim (4) are provided with a sealing groove, and a sponge rubber strip is provided in the sealing groove.

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