Car body side wall door ring structure and car

By designing the side door ring structure of the body, including the A-pillar lower reinforcement plate, the pipe beam and the B-pillar reinforcement plate, to form a closed ring, the problem that the side door ring structure cannot be compatible with the closed and convertible bodies is solved, and the body strength enhancement and compatibility are achieved.

CN223045834UActive Publication Date: 2025-07-01BAIC MOTOR CORP LTD
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Patent Information

Application Number
CN202422343698.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-25
Publication Date
2025-07-01
Estimated Expiration
2034-09-25

AI Technical Summary

Technical Problem

In the prior art, the side door ring structure is not compatible with the closed body and convertible body, resulting in limited vehicle model development.

Method used

A side door ring structure of the vehicle body is designed, including the A-pillar lower reinforcement plate, pipe beam, B-pillar reinforcement plate and door sill outer plate, and a closed ring is formed by fixed connection of the head and tail. The pipe beam is a rigid tubular structure, which is set at the A-pillar and the upper beam to enhance the body strength and is compatible with closed and convertible bodies.

Benefits of technology

The side door ring structure of the body can simultaneously enhance the body strength and is compatible with the design needs of closed and convertible bodies, leaving design space for subsequent convertible body development.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an automobile body side wall door ring structure and an automobile, and belongs to the technical field of automobile manufacturing, the automobile body side wall door ring structure comprises an A column lower reinforcing plate, a tubular beam, a B column reinforcing plate and a doorsill outer plate which are fixedly connected end to end in sequence to form a closed ring; the tubular beam is of a rigid tubular structure, is arranged at the position of the A column and the upper edge beam and is arranged between the inner plate and the outer plate, the lower portion of the tubular beam is connected with the upper portion of the A column lower reinforcing plate, and the upper portion of the tubular beam is connected with the upper portion of the B column reinforcing plate. And a design reservation is made for the subsequent development of the convertible upper vehicle body.
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Description

Technical Field

[0001] The utility model belongs to the technical field of automobile manufacturing, and more specifically, relates to a body side door ring structure and an automobile. Background Art

[0002] The frameless door was once mainly applied to sports sedans or sports cars. It can make the side of the body have no surface difference, with a strong sense of technology and fashion, and reduce wind resistance. With the development of the automobile industry and the needs of consumers, automobile manufacturers have also begun to apply the frameless door technology to household cars. Correspondingly, due to the structural changes, it also has an impact on the side door ring structure.

[0003] Currently, SUVs are divided into urban SUVs and off-road SUVs according to different usage conditions. Their side door ring structures are generally integrally formed by hot-formed sheets or welded by split spot welding. Generally, the body of an off-road SUV is divided into a closed body and a convertible body, and the traditional side door ring structure cannot be compatible with both. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a body side door ring structure and an automobile, so as to solve the problem that the side door ring structure in the prior art cannot be compatible with a closed body and a convertible body.

[0005] To achieve the above purpose, in the first aspect, the utility model provides a body side door ring structure, which includes: a lower A-pillar reinforcement plate, a tube beam, a B-pillar reinforcement plate, and an outer sill panel. The four are fixedly connected end to end in sequence to form a closed ring;

[0006] The tube beam is a rigid tubular structure, which is arranged along the shape at the A-pillar and the upper side beam, and is arranged between the inner panel and the outer panel. The lower part of the tube beam is connected to the upper part of the lower A-pillar reinforcement plate, and the upper part of the tube beam is connected to the upper part of the B-pillar reinforcement plate.

[0007] Further, the tube beam is connected to the lower A-pillar reinforcement plate through a lower A-pillar joint connecting plate.

[0008] Further, the tube beam is connected to the B-pillar reinforcement plate through an upper B-pillar joint connecting plate; the upper B-pillar joint connecting plate is in a T shape, with the upper part fixedly connected to the tube beam and the lower part fixedly connected to the B-pillar reinforcement plate.

[0009] Further, the tube beam includes:

[0010] A first beam, arranged at the A-pillar;

[0011] A second beam, arranged at the upper side beam;

[0012] The first beam is connected to the second beam through an A-pillar upper joint connecting plate, one end of the A-pillar upper joint connecting plate is connected to the first beam, and the other end of the A-pillar upper joint connecting plate is connected to the second beam.

[0013] Furthermore, the vehicle body side door ring structure also includes:

[0014] The B-pillar reinforcement plate patch is fixedly attached to the side impact collision area of ​​the B-pillar reinforcement plate and covers the hinge installation point on the rear door.

[0015] Furthermore, the vehicle body side door ring structure also includes:

[0016] The B-pillar inner plate and the upper side beam inner plate, the upper portion of the B-pillar inner plate and the upper side beam inner plate are fixedly connected at the upper portion of the B-pillar to form a local fitting surface, and the local fitting surface is fitted and fixedly connected to the in-vehicle Y-direction surface of the tube beam.

[0017] Furthermore, bolts and riveted nuts are provided at the connection between the local fitting surface and the pipe beam.

[0018] Furthermore, a crush rib is provided at the lower portion of the B-pillar reinforcement plate.

[0019] Furthermore, a retractor opening is provided at the lower portion of the B-pillar inner plate, and the retractor opening has no flange.

[0020] A second aspect of the utility model provides a vehicle, comprising:

[0021] The vehicle body side door ring structure of the first aspect.

[0022] The beneficial effects of the utility model are: providing a body side door ring structure and a car, the body side door ring structure having a tubular beam of a rigid tubular structure, which is arranged at the A-pillar and the upper side beam and between the inner panel and the outer panel, can enhance the strength of the body, and is compatible with a closed body and a convertible body, making design reservations for the subsequent development of a convertible upper body.

[0023] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The above and other objects, features and advantages of the present invention will become more apparent through a more detailed description of exemplary embodiments of the present invention in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments of the present invention.

[0025] Figure 1 A schematic structural diagram of a vehicle body side door ring structure according to an embodiment of the utility model is shown.

[0026] Figure 2 A schematic exploded view of a vehicle body side door ring structure according to an embodiment of the utility model is shown.

[0027] Figure 3 A schematic diagram of the Y-direction cross-sectional structure of the B-pillar water cut position of a vehicle body side door ring structure according to an embodiment of the utility model is shown.

[0028] Figure 4 A schematic structural diagram of a B-pillar Z-direction section of a vehicle body side door ring structure according to an embodiment of the utility model is shown.

[0029] Figure 5 A schematic diagram of the lower partial structure of a B-pillar reinforcement plate of a vehicle body side door ring structure according to an embodiment of the utility model is shown.

[0030] Figure 6 A schematic diagram of the local structure of the lower portion of the B-pillar inner plate of a vehicle body side door ring structure according to an embodiment of the utility model is shown.

[0031] Description of reference numerals:

[0032] 01. A-pillar lower reinforcement plate; 02. Tube beam; 03. A-pillar upper joint connecting plate; 04. B-pillar upper joint connecting plate; 05. B-pillar reinforcement plate; 06. Door sill outer plate; 07. A-pillar lower joint connecting plate; 08. B-pillar reinforcement plate patch; 09. Upper side beam inner plate; 10. B-pillar inner plate; 11. Riveted nuts; 12. Bolts; 13. Crushing ribs; 14. Retractor opening. DETAILED DESCRIPTION

[0033] The preferred embodiments of the present invention will be described in more detail below. Although the preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0034] Embodiment 1

[0035] like Figure 1-2 As shown, this embodiment provides a body side door ring structure, which includes: an A-pillar lower reinforcement plate 01, a pipe beam 02, a B-pillar reinforcement plate 05 and a door sill outer plate 06, which are fixedly connected end to end in sequence to form a closed ring;

[0036] The tubular beam 02 is a rigid tubular structure, which is arranged at the A-pillar and the upper side beam and between the inner plate and the outer plate. The lower part of the tubular beam 02 is connected to the upper part of the A-pillar lower reinforcement plate 01, and the upper part of the tubular beam 02 is connected to the upper part of the B-pillar reinforcement plate 05.

[0037] Specifically, a tube beam 02 is provided between the inner and outer panels at the A-pillar and the upper side beam, which can enhance the body strength; after removing the inner and outer panels at the A-pillar and the upper side beam, the tube beam 02 can be used as a roll bar for a convertible body, compatible with both a closed body and a convertible body, making a design reservation for the subsequent development of the convertible upper body.

[0038] In this embodiment, the tube beam 02 adopts a hydroforming process and a welding process, uses high-strength steel material, increases the cross-sectional area of the tube beam 02 to improve the bending and torsion resistance performance, with a material thickness of 1.8 mm, and finally meets the roof pressing requirement. The reinforcement plates in the areas of the A-pillar, B-pillar and sill also adopt hot forming materials. This solution will increase the body weight. By overall planning the side body assembly and CAE analysis, the number of unnecessary parts, material thickness, dimensions, etc. are reduced, and at the same time, the side body weight target value is achieved.

[0039] Optionally, the tube beam 02 is connected to the lower A-pillar reinforcement plate 01 through the lower A-pillar joint connecting plate 07.

[0040] Specifically, the lower A-pillar joint connecting plate 07 can enhance the connection stiffness and is beneficial to the force transmission of the side body roof pressing.

[0041] Optionally, the tube beam 02 is connected to the B-pillar reinforcement plate 05 through the upper B-pillar joint connecting plate 04; the upper B-pillar joint connecting plate 04 is in a T shape, with the upper part fixedly connected to the tube beam 02 and the lower part fixedly connected to the B-pillar reinforcement plate 05.

[0042] Specifically, the upper B-pillar joint connecting plate 04 can enhance the connection stiffness and is beneficial to the force transmission of the side body roof pressing.

[0043] Optionally, the tube beam 02 includes:

[0044] The first beam, arranged at the A-pillar;

[0045] The second beam, arranged at the upper side beam;

[0046] The first beam and the second beam are connected through the upper A-pillar joint connecting plate 03. One end of the upper A-pillar joint connecting plate 03 is connected to the first beam, and the other end of the upper A-pillar joint connecting plate 03 is connected to the second beam.

[0047] Specifically, the upper A-pillar joint connecting plate 03 can enhance the connection stiffness and is beneficial to the force transmission of the side body roof pressing.

[0048] Optionally, as Figure 2 、 3 shown, the B-pillar reinforcement plate patch 08 is fixedly attached to the side impact collision area of the B-pillar reinforcement plate 05 and covers the upper hinge mounting point of the rear door.

[0049] In this embodiment, the B-pillar reinforcement patch 08 and the side wall reinforcement 05 are integrally hot-formed. The B-pillar reinforcement patch 08 is located in the side impact collision area, which is beneficial to the side impact performance of the side wall, protects the safety of the occupants, and ensures the strength of the upper hinge mounting point of the rear door.

[0050] Optionally, as Figure 2 , 4 shown, the body side wall door ring structure further includes an inner B-pillar 10 and an inner upper side member 09. The upper part of the inner B-pillar 10 and the inner upper side member 09 are fixedly connected at the upper part of the B-pillar to form a partial fitting surface, and the partial fitting surface is fitted and fixedly connected to the in-vehicle Y-direction surface of the tube beam 02.

[0051] Specifically, at the cross-section of the upper joint of the B-pillar, considering that the liquid tube beam 02 is prone to large displacement in the Y-direction during the top pressure analysis, in order to reduce this displacement, the boundary of the inner B-pillar 10 extends upward and the inner upper side member 09 forms a partial fitting welding surface at the B-pillar joint position. This welding surface is fitted to the in-vehicle Y-direction surface of the liquid tube beam 02 to enhance this local structure.

[0052] Optionally, bolts 12 and rivet nuts 11 are provided at the connection between the partial fitting surface and the tube beam 02.

[0053] Specifically, using multiple pairs of bolts 12 and rivet nuts 11 can further enhance this local structure.

[0054] Optionally, as Figure 2 , 5 shown, a crash rib 13 is provided at the lower part of the B-pillar reinforcement 05.

[0055] Specifically, during the side impact analysis, in order to better reduce the intrusion amount of the side wall and ensure the safety of the occupants. The strength of the lower part of the B-pillar reinforcement 05 needs to be weakened, so a crash rib 13 is added to absorb energy through collision deformation.

[0056] Optionally, as Figure 2 , 6 shown, a retractor opening 14 is provided at the lower part of the inner B-pillar 10, and the retractor opening 14 has no flanging.

[0057] Specifically, during the side impact analysis, in order to better reduce the intrusion amount of the side wall and ensure the safety of the occupants. Since the inner B-pillar 10 is made of hot-formed material, the strength of the lower part of the B-pillar needs to be weakened. In the prior art, the retractor opening of the inner B-pillar needs to be flanged to protect the operation of the human hand. In this embodiment, the inner B-pillar 10 has a weakened strength structure, this flanging is cancelled, and the opening size is increased, which is convenient for the operation of the human hand while reducing the intrusion amount of the side wall during side impact.

[0058] Embodiment 2

[0059] This embodiment provides a vehicle, including:

[0060] The vehicle body side door ring structure in the first embodiment.

[0061] The various embodiments of the utility model have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A vehicle body side door ring structure, characterized in that: The vehicle body side door ring structure comprises: an A-pillar lower reinforcement plate (01), a tube beam (02), a B-pillar reinforcement plate (05) and a door sill outer plate (06), the four being fixedly connected end to end in sequence to form a closed ring; The tubular beam (02) is a rigid tubular structure, which is arranged at the A-pillar and the upper side beam, and is arranged between the inner plate and the outer plate. The lower part of the tubular beam (02) is connected to the upper part of the A-pillar lower reinforcement plate (01), and the upper part of the tubular beam (02) is connected to the upper part of the B-pillar reinforcement plate (05).

2. The vehicle body side door ring structure according to claim 1, characterized in that: The tube beam (02) is connected to the A-pillar lower reinforcement plate (01) via an A-pillar lower joint connection plate (07).

3. The vehicle body side door ring structure according to claim 1, characterized in that: The tube beam (02) is connected to the B-pillar reinforcement plate (05) via a B-pillar upper joint connection plate (04); the B-pillar upper joint connection plate (04) is T-shaped, with an upper portion fixedly connected to the tube beam (02) and a lower portion fixedly connected to the B-pillar reinforcement plate (05).

4. The vehicle body side door ring structure according to claim 1, characterized in that: The tube beam (02) comprises: A first beam, disposed at the A-pillar; A second beam, arranged at the upper side beam; The first beam and the second beam are connected via an A-pillar upper joint connecting plate (03), one end of the A-pillar upper joint connecting plate (03) is connected to the first beam, and the other end of the A-pillar upper joint connecting plate (03) is connected to the second beam.

5. The vehicle body side door ring structure according to claim 1, characterized in that: The body side door ring structure also includes: The B-pillar reinforcement plate patch (08) is fixedly attached to the side impact collision area of ​​the B-pillar reinforcement plate (05) and covers the hinge installation point on the rear door.

6. The vehicle body side door ring structure according to claim 3, characterized in that: The body side door ring structure also includes: A B-pillar inner plate (10) and an upper side beam inner plate (09), wherein the upper portion of the B-pillar inner plate (10) is fixedly connected to the upper side beam inner plate (09) at the upper portion of the B-pillar to form a local fitting surface, and the local fitting surface is fitted and fixedly connected to the vehicle interior Y-direction surface of the tube beam (02).

7. The vehicle body side door ring structure according to claim 6, characterized in that: Bolts (12) and riveted nuts (11) are provided at the connection between the local abutment surface and the pipe beam (02).

8. The vehicle body side door ring structure according to claim 6, characterized in that: A collapse rib (13) is provided at the lower portion of the B-pillar reinforcement plate (05).

9. The vehicle body side door ring structure according to claim 8, characterized in that: A retractor opening (14) is provided at the lower part of the B-pillar inner plate (10), and the retractor opening (14) has no flange.

10. An automobile, characterized in that: include: The vehicle body side door ring structure as claimed in any one of claims 1 to 9.