Automobile body structure of automobile split type rear door and automobile
By forming an installation cavity between the rear and front side outer panels of the vehicle, hiding the hinges and utilizing bolt connections and a sealing structure, the problems of increased door size and styling constraints caused by the existing hinge installation of split rear doors are solved, achieving greater entry and exit space and improved sealing performance.
Patent Information
- Application Number
- CN202422608612.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-10-28
AI Technical Summary
The existing hinge installation structure of the split rear door leads to an increase in the X-direction dimension of the door or an increase in the cost of exterior trim, and has strong constraints on the exterior styling. In addition, the installation process requires space inside the vehicle, affecting the styling creativity and sealing performance.
By forming a semi-enclosed installation cavity between the rear side panel and the front side panel, the rear door hinge is installed along the length of the car, and is connected using bolts and bolt sleeve tools through the holes in the inner panel of the C-pillar inside the car, the hinge is hidden, and the sealing problem is solved by combining sealant and drainage gaps.
The hinge is hidden in the Y direction to ensure the door opening angle and entry and exit space, reduce costs, improve sealing performance, match the existing shape without adding doors or exterior trim, and enhance the competitiveness of the car.
Smart Images

Figure CN223370961U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of automobile body structures, in particular to a body structure with split rear doors and an automobile. Background Art
[0002] The current body-mounted structure for the hinges of split rear doors leaves the hinge mounting surface unobstructed in the Y direction (the width of the vehicle). To prevent direct visibility of the hinge structure, after installation, the door panel must be extended in the X direction (the length of the vehicle) to provide shielding, or exterior trim must be added to conceal the hinge. This structure increases the X-direction size of the door or the cost of exterior trim, and imposes strict engineering constraints on the exterior styling. Furthermore, the hinges of split rear doors are mounted on the C-pillar sheet metal, requiring the final assembly process to provide the necessary space for the hinges and door wiring harness to pass through the vehicle in the Y direction. Furthermore, the hinges and door wiring harness must not be visible in the Y direction when the door is closed, hindering styling creativity. Utility Model Content
[0003] The purpose of the utility model is to provide a car body structure with double-door rear doors and a car, which can break through the limitations of the car body's outer styling surface, realize the Y-direction installation of the hinge, ensure the door opening angle, realize a larger entry and exit space, and facilitate people to enter and exit the rear row of the car.
[0004] The embodiment of the present utility model is achieved as follows:
[0005] In the first aspect, an embodiment of the present application provides a body structure for a double-door rear door of an automobile, the body structure comprising a rear side inner panel, a rear side outer panel, a front side outer panel, a hinge mounting cover plate and a rear door hinge; the rear side outer panel is connected to the front side outer panel, the rear side outer panel is also connected to the rear side inner panel, the hinge mounting cover plate is arranged on the rear side outer panel, the rear side inner panel, the rear side outer panel and the front side outer panel together form a semi-enclosed mounting cavity open along the length direction of the automobile, the rear door hinge is used to be connected to the rear door of the automobile, and the rear door hinge is connected to the rear side outer panel through the mounting cavity along the length direction of the automobile.
[0006] In a possible embodiment, the rear door hinge is connected to the rear side outer panel by bolts, and the bolts are screwed to the rear door hinge and the rear side outer panel through holes in the inner panel of the C-pillar of the vehicle using a bolt sleeve tool.
[0007] In a possible embodiment, the vehicle body structure further includes a wiring harness, a door connector and a vehicle body connector; the wiring harness is connected to the door connector, the hinge mounting cover plate is arranged at the opening of the mounting cavity, the door connector is arranged in the through hole of the inner panel of the door C-pillar and is connected to the inner side surface of the hinge mounting cover plate, and the vehicle body connector is arranged in the mounting cavity and plugged into the door connector.
[0008] In a possible implementation manner, the shape and size of the hinge installation sealing plate match the opening of the installation cavity, and the hinge installation sealing plate is sealingly disposed at the opening of the installation cavity.
[0009] In a possible embodiment, sealant is provided on the edge of the hinge installation sealing plate to form a sealing structure that seals the opening of the installation cavity, and a drainage gap is provided at the bottom of the sealing structure.
[0010] In a possible implementation manner, the vehicle body structure further includes a rear side inner panel reinforcement plate, and the rear side inner panel reinforcement plate is provided at a top edge of the rear side inner panel.
[0011] In a possible implementation manner, the hinge installation sealing plate is welded to the rear side panel outer panel, and welding glue is provided at the welding point between the hinge installation sealing plate and the rear side panel outer panel.
[0012] In a second aspect, an embodiment of the present application further provides a car, which includes the above-mentioned body structure.
[0013] In a possible implementation, the vehicle is a fuel vehicle, an electric vehicle, or a hybrid vehicle.
[0014] The beneficial effects of the embodiments of the present invention are as follows: the vehicle body structure of the present application breaks through the limitations of the vehicle body's exterior styling, enabling Y-axis hinge installation, ensuring a precise door opening angle, creating a larger entry and exit space, and facilitating rear entry and exit. This door structure also takes into account the Y-axis installation of the door wiring harness and the sealing performance of the vehicle body. This door installation structure matches the existing vehicle body shape, eliminating the need to enlarge the door or side panels or disassemble exterior trim, effectively reducing costs, improving the competitiveness of the vehicle, and enhancing product strength. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.
[0016] Figure 1 This is an overall assembly diagram of a vehicle body structure with split rear doors according to an embodiment of the present utility model;
[0017] Figure 2 This is an exploded view of a vehicle body structure with split rear doors according to an embodiment of the present utility model;
[0018] Figure 3 This is a cross-sectional view of the body structure of a vehicle with split rear doors taken along the AA line according to an embodiment of the utility model;
[0019] Figure 4 This is an assembly diagram of a vehicle body structure and a door sheet metal of a vehicle from a first perspective according to an embodiment of the utility model;
[0020] Figure 5 This is a cross-sectional view of a vehicle body structure of a split rear door of an automobile taken along line BB according to an embodiment of the present utility model;
[0021] Figure 6 This is an assembly drawing of a vehicle body structure and a door sheet metal of a vehicle from a second perspective according to an embodiment of the utility model;
[0022] Figure 7 This is a cross-sectional view of a vehicle body structure of a split rear door in the CC direction according to an embodiment of the present utility model;
[0023] Figure 8 This is an assembly diagram of a vehicle body structure hinge installation cover plate and a rear outer panel of a split rear door of an automobile according to an embodiment of the present utility model.
[0024] Icons: 1. Rear side panel inner panel; 2. Rear side panel outer panel; 3. Front side panel outer panel; 4. Hinge installation cover plate; 5. Rear door hinge; 6. Rear side panel inner panel reinforcement plate; 7. Installation cavity; 71. Opening; 8. Door sheet metal; 9. Bolt; 10. Hinge installation tool hole; 11. Door wiring harness installation hole; 12. Spot welding glue; 13. Sealant; 14. Door connector; 15. Body connector; 16. Body structure; 17. Drainage gap. DETAILED DESCRIPTION
[0025] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.
[0026] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are also within the scope of protection of the present invention.
[0027] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.
[0028] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer" and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is typically placed when in use. These terms are intended solely to facilitate the description of this utility model and to simplify the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are used solely to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0029] Furthermore, terms such as "horizontal" and "vertical" do not necessarily mean that a component must be absolutely horizontal or overhanging, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but rather that it can be slightly tilted.
[0030] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.
[0031] like Figures 1 to 8As shown, an embodiment of the present application is a body structure of a car's double-door rear door, which body structure includes a rear side inner panel, a rear side outer panel, a front side outer panel, a hinge mounting cover plate and a rear door hinge; the rear side outer panel is connected to the front side outer panel, and the rear side outer panel is also connected to the rear side inner panel, and the hinge mounting cover plate is arranged on the rear side outer panel, the rear side inner panel, the rear side outer panel and the front side outer panel together form a semi-closed mounting cavity that is open along the length direction of the car, and the rear door hinge is used to be connected to the rear door of the car, and the rear door hinge is connected to the rear side outer panel through the mounting cavity along the length direction of the car.
[0032] In combination with the above embodiment, after the rear side panel and the front side panel are spot-welded together, the rear side panel and the front side panel are spot-welded together, thereby forming a semi-enclosed cavity structure open in the X direction (the length direction of the vehicle), providing installation space for the rear door hinge. At the same time, the rear door hinge is hidden along the Y direction (the width direction of the vehicle), meeting the design requirements of the appearance.
[0033] In the body structure of the automobile's double-door rear door in the embodiment of the present application, the rear door hinge is connected to the rear side outer panel by bolts, and the bolts are screwed to the rear door hinge and the rear side outer panel through the holes in the inner panel of the C-pillar inside the automobile through a bolt sleeve tool.
[0034] In combination with the above embodiment, the rear door hinge enters the installation point of the rear body through the installation cavity in the X direction, and the rear door hinge is screwed to the body through the hinge installation tool hole on the inner panel of the C-pillar inside the vehicle using a bolt sleeve tool, thereby realizing the installation of the rear door hinge and the rear door hinge is not exposed in the Y direction, meeting the styling design requirements.
[0035] The body structure of the automobile's double-leaf rear doors in the embodiment of the present application also includes a wiring harness, a door connector and a body connector; the wiring harness is connected to the door connector, the hinge mounting cover plate is arranged at the opening of the mounting cavity, the door connector is arranged in the through hole of the inner panel of the C-pillar of the door and is connected to the inner side surface of the hinge mounting cover plate, and the body connector is arranged in the mounting cavity and plugged into the door connector.
[0036] In combination with the above embodiment, the door connector is first installed into the mounting hole of the hinge cover plate through the door wiring harness mounting hole of the C-pillar inner panel, and then the door connector and the body connector are plugged into the mounting cavity to realize the wiring harness installation and the wiring harness structure does not leak in the Y direction, meeting the styling and appearance design requirements.
[0037] In the body structure of the automobile's double-leaf rear door in the embodiment of the present application, the hinge mounting cover plate has a shape and size that matches the opening of the mounting cavity, and the hinge mounting cover plate is sealingly arranged at the opening of the mounting cavity. The hinge mounting cover plate is used to seal the opening of the mounting cavity to prevent damage to the structure inside the mounting cavity.
[0038] In the body structure of the automobile's double-leaf rear doors in the embodiment of the present application, sealant is provided on the edge of the hinge mounting cover plate to form a sealing structure for sealing the opening of the mounting cavity, and a drainage gap is provided at the bottom of the sealing structure.
[0039] In conjunction with the above-mentioned embodiment, since the vehicle body structure is semi-enclosed, water ingress and sealing issues arise when the vehicle is exposed to rain. The hinge mounting plate for the rear door hinges requires a circumferential sealant to prevent water and air from entering the vehicle through the gaps between the sheet metal. Furthermore, after the circumferential seal, water can accumulate. A drainage notch is designed at the bottom to drain water out of the notch when the vehicle is exposed to rain, effectively solving the waterproofing issue of the vehicle body structure.
[0040] The body structure of the automobile's double-door rear door in the embodiment of the present application also includes a rear side inner panel reinforcement plate, which is arranged at the top edge of the above-mentioned rear side inner panel, thereby increasing the structural strength of the rear side inner panel.
[0041] In the body structure of the automobile's double-door in the embodiment of the present application, the hinge mounting cover plate is welded to the rear side outer panel, and spot welding glue is provided at the welding point between the hinge mounting cover plate and the rear side outer panel. The spot welding glue plays a role in protecting the welding point and improving the welding quality.
[0042] Based on the same inventive concept, the present application also provides a car. Since the basic principle of the car is the same as the body structure of the above-mentioned car with double-doors, the specific implementation method of the car is the same as the body structure of the car with double-doors, and the similarities are not repeated here.
[0043] The automobile of the embodiment of the present application includes the above-mentioned vehicle body structure and is a fuel vehicle, an electric vehicle, or a hybrid vehicle.
[0044] Combined with the above-mentioned embodiments, this vehicle body structure overcomes the limitations of the vehicle's exterior styling, enabling Y-axis hinge installation. This ensures a precise door opening angle, creates a larger entry and exit space, and facilitates rear-seat entry and exit. While also taking into account the Y-axis installation of the door wiring harness and the vehicle's sealing performance, this door installation structure complements existing vehicle body styling without requiring the enlargement of doors or side panels or the removal of exterior trim, effectively reducing costs, enhancing the vehicle's competitiveness, and improving product quality.
[0045] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.
Claims
1. A vehicle body structure with split rear doors, characterized in that: The vehicle body structure includes a rear side inner panel, a rear side outer panel, a front side outer panel, a hinge mounting cover plate and a rear door hinge; the rear side outer panel is connected to the front side outer panel, and the rear side outer panel is also connected to the rear side inner panel; the hinge mounting cover plate is arranged on the rear side outer panel; the rear side inner panel, the rear side outer panel and the front side outer panel together form a semi-enclosed mounting cavity that is open along the length direction of the car; the rear door hinge is used to be connected to the rear door of the car, and the rear door hinge is connected to the rear side outer panel through the mounting cavity along the length direction of the car.
2. The vehicle body structure for split rear doors according to claim 1, characterized in that: The rear door hinge is connected to the rear side outer panel by bolts, and the bolts are screwed together by a bolt sleeve tool through a through hole of an inner panel of a C-pillar inside the vehicle.
3. The vehicle body structure for split rear doors according to claim 2, wherein: The vehicle body structure also includes a wiring harness, a door connector and a vehicle body connector; the wiring harness is connected to the door connector, the hinge mounting cover is arranged at the opening of the mounting cavity, the door connector is arranged in the through hole of the inner panel of the C-pillar of the door and is connected to the inner side surface of the hinge mounting cover, and the vehicle body connector is arranged in the mounting cavity and plugged into the door connector.
4. The vehicle body structure for split rear doors according to claim 3, characterized in that: The shape and size of the hinge installation sealing plate match the opening of the installation cavity, and the hinge installation sealing plate is sealingly arranged at the opening of the installation cavity.
5. The vehicle body structure for split rear doors according to claim 4, characterized in that: The edge of the hinge installation sealing plate is provided with sealant to form a sealing structure for sealing the opening of the installation cavity, and the bottom of the sealing structure is provided with a drainage gap.
6. The vehicle body structure for split rear doors according to claim 1, wherein: The vehicle body structure further includes a rear side inner panel reinforcement plate, which is arranged at the top edge of the rear side inner panel.
7. The vehicle body structure for split rear doors according to claim 1, wherein: The hinge installation sealing plate is welded to the rear side panel outer panel, and welding glue is provided at the welding point between the hinge installation sealing plate and the rear side panel outer panel.
8. An automobile, characterized in that: The automobile comprises the vehicle body structure according to any one of claims 1 to 7.
9. The automobile according to claim 8, characterized in that The car is a fuel car, an electric car or a hybrid car.