Side wall reinforcing inner frame structure of sliding door vehicle type and vehicle
By designing a closed frame structure and an embedded overlapping method, the problems of weak connection, poor rigidity, and poor sealing of the side reinforcement inner frame structure of traditional sliding door models have been solved, thereby improving the overall strength and safety of the vehicle, while reducing costs and improving sealing.
Patent Information
- Application Number
- CN202520310126.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-25
AI Technical Summary
Traditional sliding door models have problems with their side reinforcement inner frame structure, such as the lack of a complete reinforcement frame, weak connection between the reinforcement frame and the guide rail, poor overall vehicle rigidity, poor sealing, and high transportation costs.
Design a side reinforcement inner frame structure for a sliding door vehicle, including a lower A-pillar reinforcement plate, an upper A-pillar reinforcement plate, a welded B-pillar reinforcement plate, and an outer sill reinforcement plate, forming a closed frame. It is connected to the upper and lower guide rails through an embedded overlapping method, optimizing the B-pillar reinforcement plate structure and increasing material utilization and sealing performance.
It enhances the overall strength and rigidity of the vehicle, meets the safety requirements of passenger vehicles, reduces parts and transportation costs, and improves sealing and the maximum opening of sliding doors.
Smart Images
Figure CN223750956U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of automobile structure, and particularly relates to a sliding door automobile side wall reinforcing inner frame structure and automobile. BACKGROUND
[0002] The side wall reinforcing inner frame assembly as a vehicle body framework needs to meet the crash performance of the vehicle body, absorb a large amount of energy during a crash, resist plastic deformation during a crash, and meet the rigidity performance of the vehicle body. For a sliding door automobile, the guide rail as a rear side door area framework structure also needs to meet the relevant strength requirements, and the effective connection between the reinforcing frame and the guide rail two framework structures is of great significance to the overall vehicle performance.
[0003] The traditional sliding door automobile side wall reinforcing inner frame assembly has the following problems:
[0004] 1. There is no complete reinforcing frame, and only a reinforcing plate is added in the key area, which is not suitable for the safety performance requirements of a passenger car;
[0005] 2. There is a complete reinforcing frame, but the reinforcing frame is not connected with the lower guide rail, the B column lower joint has poor rigidity, and stress concentration easily causes the durability welding point to crack;
[0006] 3. The reinforcing frame and the upper guide rail connection structure are weak, the inner plate performance requirements are high, and the overall vehicle rigidity is poor;
[0007] 4. The rocker outer reinforcing plate in the reinforcing frame needs to extend to the rear door hole area, the single piece size and mass are large, the transportation cost of the part is high, and this is not conducive to the lightweight of the overall vehicle;
[0008] 5. The A column reinforcing plate and the inner plate matching have a hollow, the cavity after the A column inner plate is connected with the reinforcing plate can be connected with the outside of the vehicle, the sealing performance is poor, and there is a risk of rainwater flowing into the vehicle during driving. INVENTION CONTENTS
[0009] The utility model aims at solving the problems in the prior art, and provides a sliding door automobile side wall reinforcing inner frame structure and automobile.
[0010] The utility model is implemented through the following technical solutions:
[0011] The utility model discloses a first aspect provides a kind of sliding door car type side wall reinforcing inner frame structure, including A column lower reinforcing plate, A column upper reinforcing plate, B column reinforcing plate welding piece and door sill outer reinforcing plate, the upper end of the A column lower reinforcing plate is overlapped with the front end of the A column upper reinforcing plate, the rear end of the A column upper reinforcing plate is overlapped with the upper end front side of the B column reinforcing plate welding piece, the lower end front side of the B column reinforcing plate welding piece is overlapped with the rear end of the door sill outer reinforcing plate, the front end of the door sill outer reinforcing plate is overlapped with the lower end of the A column lower reinforcing plate, to form a closed frame structure, the upper end rear side of the B column reinforcing plate welding piece is equipped with first gap, for being overlapped with upper rail welding piece, the lower end rear side of the B column reinforcing plate welding piece is equipped with second gap, for being overlapped with lower rail welding piece.
[0012] The utility model further improves in that:
[0013] The first gap is provided with a first lap surface overlapped with the upper rail welding piece.
[0014] The utility model further improves in that:
[0015] The second gap is provided with a second lap surface overlapped with the lower rail welding piece.
[0016] The utility model further improves in that:
[0017] The B column reinforcing plate welding piece comprises a B column reinforcing plate body and a B column lower reinforcing plate overlapped at the lower end of the B column reinforcing plate body.
[0018] The utility model further improves in that:
[0019] The lower end of the A column lower reinforcing plate and the lower end front side of the B column reinforcing plate welding piece are respectively equal to the width of the front and rear ends of the door sill outer reinforcing plate.
[0020] The utility model further improves in that:
[0021] The door sill outer reinforcing plate is a self-symmetrical structure.
[0022] The utility model further improves in that:
[0023] The lap surface of the lower end of the A column lower reinforcing plate overlapped with the front end of the door sill outer reinforcing plate is arranged at a rounded corner; and / or,
[0024] The lap surface of the lower end front side of the B column reinforcing plate welding piece overlapped with the rear end of the door sill outer reinforcing plate is arranged at a rounded corner.
[0025] The utility model further improves in that:
[0026] The edge of the lower reinforcement plate of the A-pillar extends to the front side plate to form a flange, which is used to seal the hole formed when the lower reinforcement plate of the A-pillar overlaps with the front side plate.
[0027] The further improvement of this utility model is as follows:
[0028] The overlap between the upper end of the lower reinforcing plate of the A-pillar and the front end of the upper reinforcing plate of the A-pillar is fixed by welding at least two rows of weld points; and / or,
[0029] The lower end of the A-pillar reinforcement plate and the front end of the sill reinforcement plate overlap and are fixed by welding at least two rows of weld points.
[0030] A second aspect of this utility model is to provide an automobile, including the aforementioned sliding door model side panel reinforced inner frame structure.
[0031] Compared with the prior art, the beneficial effects of this utility model are:
[0032] In this utility model, the upper end of the lower A-pillar reinforcing plate overlaps with the front end of the upper A-pillar reinforcing plate, the rear end of the upper A-pillar reinforcing plate overlaps with the front side of the upper end of the B-pillar reinforcing plate welded assembly, the front side of the lower end of the B-pillar reinforcing plate welded assembly overlaps with the rear end of the outer sill reinforcing plate, and the front end of the outer sill reinforcing plate overlaps with the lower end of the lower A-pillar reinforcing plate 1, thereby forming a closed frame structure. The rear side of the upper end of the B-pillar reinforcing plate welded assembly is provided with a first notch for overlapping with the upper guide rail welded assembly, and the rear side of the lower end of the B-pillar reinforcing plate welded assembly is provided with a second notch for overlapping with the lower guide rail welded assembly. This allows the side wall reinforcing inner frame structure to be welded together with the upper and lower guide rails to form an integral vehicle body frame, enhancing the overall vehicle strength and meeting the safety requirements of passenger vehicles.
[0033] In this utility model, the B-pillar reinforcing plate welded component is embedded and overlapped with the upper guide rail welded component and the lower guide rail welded component, which helps to weld the side wall reinforcing inner frame structure, the upper guide rail, the lower guide rail and the front of the rear side wall together into a whole. This enhances the connection structure between the side wall reinforcing inner frame structure and the upper and lower guide rails, thereby improving the rigidity of the whole vehicle, optimizing the body performance, and meeting the requirements for strength and safety collision. At the same time, it helps to limit the body size and ensure the maximum opening of the sliding door.
[0034] In this utility model, the overlap position of the welded joint of the A-pillar lower reinforcing plate and the B-pillar reinforcing plate with the sill outer reinforcing plate is adjusted to a gently rounded corner area (the cut edge of the overlap section is at the rounded corner), which shortens the X-axis dimension of the welded joint of the A-pillar lower reinforcing plate and the B-pillar reinforcing plate and improves the material utilization rate of the parts; the sill outer reinforcing plate is designed as a self-symmetrical structure that can be used on both sides, which reduces the overall vehicle mold development cost by 200,000.
[0035] The utility model discloses a B column reinforcing plate structure optimization, Z direction size extension is flush with the threshold outer reinforcing plate, thereby realizes the threshold outer reinforcing plate size reduction, realizes the self -symmetry structure of threshold outer reinforcing plate.
[0036] The utility model discloses A column lower reinforcing plate edge design overlock structure can be sealed with the hole that exists after A column lower reinforcing plate and front side plate fillet matching, avoids the risk that rainwater is reversed when driving fast in rainy day, improves the sealing effect of part matching, effectively prevents the problem such as water inlet, air leakage. BRIEF DESCRIPTION OF DRAWINGS
[0037] Figure 1 It is the explosion map of a kind of side wall reinforcing inner frame structure of the utility model;
[0038] Figure 2 It is the schematic diagram of a kind of side wall reinforcing inner frame structure of the utility model;
[0039] Figure 3 It is the effect diagram of a kind of side wall reinforcing inner frame structure and boundary part mounting structure of the utility model;
[0040] Figure 4 It is the structural schematic diagram of B column reinforcing plate welding piece;
[0041] Figure 5 It is Figure 4 Partial A enlarged view;
[0042] Figure 6 It is Figure 4 Partial B enlarged view;
[0043] Figure 7 It is the structural schematic diagram of threshold outer reinforcing plate;
[0044] Figure 8 It is the mounting structure schematic diagram of A column lower reinforcing plate and front side plate;
[0045] Figure 9 It is Figure 8 Partial enlarged view;
[0046] Figure 10 It is the structural schematic diagram of A column upper reinforcing plate.
[0047] In the drawing, 1, A column lower reinforcing plate, 2, A column upper reinforcing plate, 3, B column reinforcing plate, 4, B column lower reinforcing plate, 5, B column reinforcing plate welding piece, 6, threshold outer reinforcing plate, 7, front side plate, 8, upper guide rail welding piece, 9, lower guide rail welding piece, 10, flanging, 11, sealing assembly. DETAILED DESCRIPTION
[0048] The utility model will be described further in detail in connection with the drawings:
[0049] This utility model provides a side-reinforced inner frame structure, such as Figure 1 and Figure 2 As shown, the structure includes a lower A-pillar reinforcing plate 1, an upper A-pillar reinforcing plate 2, a B-pillar reinforcing plate welded assembly 5, and an outer sill reinforcing plate 6. The upper end of the lower A-pillar reinforcing plate 1 overlaps with the front end of the upper A-pillar reinforcing plate 2; the rear end of the upper A-pillar reinforcing plate 2 overlaps with the front side of the upper end of the B-pillar reinforcing plate welded assembly 5; the front side of the lower end of the B-pillar reinforcing plate welded assembly 5 overlaps with the rear end of the outer sill reinforcing plate 6; and the front end of the outer sill reinforcing plate 6 overlaps with the lower end of the lower A-pillar reinforcing plate 1, thus forming a closed frame structure. The upper end of the B-pillar reinforcing plate welded assembly 5 has a first notch on its rear side for overlapping with the upper guide rail welded assembly 8; and the lower end of the B-pillar reinforcing plate welded assembly 5 has a second notch on its rear side for overlapping with the lower guide rail welded assembly 89. This allows the side wall reinforcing inner frame structure to be welded together with the upper and lower guide rails to form an integral vehicle body frame, enhancing the overall vehicle strength and meeting passenger vehicle safety requirements. Figure 3 The image shown is a rendering of the side-reinforced inner frame structure and the installation structure of boundary parts according to this utility model.
[0050] As a preferred embodiment of this utility model, such as Figure 4 As shown, a first notch is provided on the rear side of the upper end of the B-pillar reinforcing plate welded component 5, and a first overlapping surface is provided at the first notch to overlap with the upper guide rail welded component 8, as shown. Figure 5 As shown, the upper rear end of the B-pillar reinforcing plate welded component 5 is overlapped with the upper guide rail welded component 8 at the first notch before welding, achieving an embedded overlap connection between the B-pillar reinforcing plate welded component 5 and the upper guide rail welded component 8; a second notch is provided on the lower rear end of the B-pillar reinforcing plate welded component 5, as shown... Figure 6 As shown, a second overlapping surface is provided at the second notch to overlap with the lower guide rail welded component 9. The rear side of the lower end of the B-pillar reinforcing plate welded component 5 is overlapped with the lower guide rail welded component 9 at the second notch before welding, realizing the embedded overlapping method of the B-pillar reinforcing plate welded component 5 and the lower guide rail welded component 9. This structure helps to weld the side wall reinforcing inner frame structure, upper guide rail, lower guide rail and the front part of the rear side wall together into a whole and form a double door ring structure, enhancing the connection structure between the side wall reinforcing inner frame structure and the upper and lower guide rails, thereby improving the rigidity of the whole vehicle, optimizing the body performance, and meeting the requirements of strength, safety collision, etc. At the same time, it helps to limit the body size and ensure the maximum opening of the sliding door. In this embodiment of the utility model, the B-pillar reinforcing plate welded component 5 and the lower guide rail welded component 9 are directly welded together, which meets the rigidity requirements proposed by the lower guide rail bearing the weight of the rear side door (door sheet metal, window lifting system, door lock, etc.), and can effectively improve the safety performance of the guide rail arrangement on the side wall structure.
[0051] As a preferred embodiment of the utility model, the B column reinforcing plate welding piece 5 includes the B column reinforcing plate main body 3 and the B column lower reinforcing plate 4 lapped at the lower end of the B column reinforcing plate main body 3, the B column reinforcing plate main body 3 lower end head rigidity is improved by butt welding the B column lower reinforcing plate 4 at the lower end of the B column reinforcing plate main body 3, and the Z direction size of the B column reinforcing plate main body 3 is lengthened, so that the B column reinforcing plate welding piece 5 is lengthened in the -Z direction and flush with the lower boundary of the rocker, and the size (length) of the rocker outer reinforcing plate 6 is relatively reduced.
[0052] As a preferred embodiment of the utility model, the lower end head of the A column lower reinforcing plate 1 and the lower end head of the B column reinforcing plate welding piece 5 are respectively equal in size (width) to the front and rear end heads of the rocker outer reinforcing plate 6, so that the B column reinforcing plate welding piece 5 is lengthened in the -Z direction and flush with the lower boundary of the rocker, partially replaces the function of the rocker outer reinforcing plate 6, and the size (length) of the rocker outer reinforcing plate 6 is relatively reduced.
[0053] As a preferred embodiment of the utility model, the lapping surface of the A column lower reinforcing plate 1 lapped with the rocker outer reinforcing plate 6 is arranged at a round corner, and the lapping surface of the B column reinforcing plate welding piece lower end head lapped with the rocker outer reinforcing plate is arranged at a round corner, so that the X direction size of the A column lower reinforcing plate 1 and the B column reinforcing plate welding piece 5 can be reduced, and material utilization can be improved. Preferably, as shown in Figure 7 the rocker outer reinforcing plate is a self-symmetrical structure, and the rocker outer reinforcing plate is shared left and right, so that the development cost of the parts is effectively reduced.
[0054] As a preferred embodiment of the utility model, in order to ensure the air tightness and the waterproof performance of the vehicle body, as shown in Figure 8 and Figure 9 the edge of the A column lower reinforcing plate 1 extends to the side of the front side plate to form a flange 10, the flange 10 forms a hemming structure to block the hole formed when the A column lower reinforcing plate 1 is lapped with the front side plate, the risk of water backflow to cause water entering the vehicle when driving fast in rainy days is avoided, the sealing effect of part matching is improved, and the problems of water entering and air leakage are effectively prevented.
[0055] As a preferred embodiment of the utility model, in order to improve the sound insulation performance and the air tightness of the cavity formed after the A column lower reinforcing plate 1 is spliced with the outer plate, reduce vibration and noise, and improve the riding comfort, a sealing assembly 11 is filled in the cavity formed by the upper end of the A column lower reinforcing plate 1 and the outer plate, the lower part of the A column lower reinforcing plate 1 is locally attached to the outer plate, there is still a cavity structure in the local area, a sealing assembly mounting groove is reserved in the lower part of the A column lower reinforcing plate 1, and is used for filling or mounting the sealing assembly.
[0056] As a preferred embodiment of the utility model, in order to ensure the coordination of the front and rear door holes of the sliding door structure, the A column upper reinforcing plate 2 is locally designed with a long flange on the side close to the upper end of the B column reinforcing plate welding piece, and a feature auxiliary part size detection is designed on the flange, as shown inFigure 10 .
[0057] As a preferred embodiment of the utility model, the lap joint of the upper end of the A-column lower reinforcing plate 1 and the front end of the A-column upper reinforcing plate 2 is welded and fixed by at least two rows of welding points, and the lap joint of the lower end of the A-column lower reinforcing plate 1 and the front end of the rocker outer reinforcing plate is welded and fixed by at least two rows of welding points, which effectively ensures the strength of the structure of the weak part of the side wall and meets the crash performance and stiffness performance of the vehicle body.
[0058] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0059] In the description of the utility model, unless otherwise stated, the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.
[0060] The above technical solution is only one embodiment of the utility model, for those skilled in the art, on the basis of the principle disclosed in the utility model, various types of improvements or deformations can be easily made, and the technical solution described in the above embodiment is not limited to the utility model, therefore the above description is only preferred, and does not have a limiting meaning.
Claims
1. A side-mounted reinforcing inner frame structure for a sliding door vehicle, characterized in that, The A-pillar lower reinforcement plate, the A-pillar upper reinforcement plate, the B-pillar reinforcement plate welding piece and the rocker outer reinforcement plate are overlapped at the upper end of the A-pillar lower reinforcement plate and the front end of the A-pillar upper reinforcement plate, the rear end of the A-pillar upper reinforcement plate and the front side of the upper end of the B-pillar reinforcement plate welding piece, the front side of the lower end of the B-pillar reinforcement plate welding piece and the rear end of the rocker outer reinforcement plate, and the front end of the rocker outer reinforcement plate and the lower end of the A-pillar lower reinforcement plate, thereby forming a closed frame structure, the rear side of the upper end of the B-pillar reinforcement plate welding piece is provided with a first notch for overlapping with the upper rail welding piece, and the rear side of the lower end of the B-pillar reinforcement plate welding piece is provided with a second notch for overlapping with the lower rail welding piece.
2. The sliding door vehicle side structure according to claim 1, wherein The first notch is provided with a first overlapping surface for overlapping with the upper rail welding piece.
3. The sliding door vehicle side structure according to claim 1, wherein The second notch is provided with a second overlapping surface for overlapping with the lower rail welding piece.
4. The sliding door vehicle side structure according to claim 1, wherein The B-pillar reinforcement plate welding piece comprises a B-pillar reinforcement plate body and a B-pillar lower reinforcement plate overlapping with the lower end of the B-pillar reinforcement plate body.
5. The sliding door vehicle side structure according to claim 1, wherein The lower end of the A-pillar lower reinforcement plate and the front side of the lower end of the B-pillar reinforcement plate welding piece are equal to the width of the front and rear ends of the rocker outer reinforcement plate, respectively.
6. The sliding door vehicle side structure according to claim 5, wherein The rocker outer reinforcement plate is a self-symmetrical structure.
7. The sliding door vehicle side structure according to claim 1, wherein The overlapping surface of the lower end of the A-pillar lower reinforcement plate and the front end of the rocker outer reinforcement plate is arranged at a rounded corner; and / or The overlapping surface of the front side of the lower end of the B-pillar reinforcement plate welding piece and the rear end of the rocker outer reinforcement plate is arranged at a rounded corner.
8. The sliding door vehicle side structure according to claim 1, wherein The edge of the A-pillar lower reinforcement plate extends to one side of the front side plate to form a flange, which is used to block the hole formed when the A-pillar lower reinforcement plate is overlapped with the front side plate.
9. The sliding door vehicle side structure according to claim 1, wherein The overlapping position of the upper end of the A-pillar lower reinforcement plate and the front end of the A-pillar upper reinforcement plate is welded and fixed by at least two rows of welding points; and / or The overlapping position of the lower end of the A-pillar lower reinforcement plate and the front end of the rocker outer reinforcement plate is welded and fixed by at least two rows of welding points.
10. An automobile characterized by comprising: The sliding door vehicle type side wall reinforcing inner frame structure comprises the sliding door vehicle type side wall reinforcing inner frame structure according to any one of claims 1-9.