A column sealing structure and automobile with same

By combining the foamed body made of elastic deformation material in the A-pillar sealing structure with the outer cavity cavity partition skeleton, the problem that the existing A-pillar cavity partitions cannot be assembled, and sealing and smooth assembly of areas with a larger Z-directional height is achieved.

CN119568278APending Publication Date: 2025-03-07VOYAH AUTOMOBILE TECH CO LTD
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Patent Information

Application Number
CN202411941444.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-03-07

AI Technical Summary

Technical Problem

The existing A-pillar cavity partition design causes the side enclosure outer plate and the door ring to be unable to be assembled smoothly, especially when the side enclosure outer plate has a high Z-directional height.

Method used

An A-pillar sealing structure is designed, wherein the cavity partition assembly includes an outer cavity cavity partition frame and a foam body. The foam body is made of an elastic deformation material, fixed to the outer cavity cavity partition frame, and partly fits with the inner wall of the side outer plate. This design allows the side enclosure outer plate to directly squeeze the foam body when the Y-direction is combined. After the welding edge passes, the foam body rebounds to its original position, and fits with the inner wall of the side enclosure outer plate to achieve smooth assembly.

Benefits of technology

Through this design, the problem that the side enclosure outer plate and the door ring cannot be assembled by the traditional cavity partition solution, and the sealing of areas with a larger Z-directional height is achieved, and it is suitable for structures with a larger Z-directional height and a smaller Y-directional gap.

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Abstract

The A column sealing structure comprises a door ring, a side wall outer plate and a cavity partition assembly, the side wall outer plate is connected with the door ring, and an outer cavity is formed between the side wall outer plate and the door ring; the cavity partition assembly comprises an outer cavity partition framework and a foaming body, the outer cavity partition framework is arranged on the door ring and located in the outer cavity, the foaming body is made of elastic deformation materials and fixed to the outer cavity partition framework, and part of the foaming body is attached to the inner wall of the side wall outer plate. The cavity partition assembly is arranged on the door ring, the foaming body is made of the elastic deformation material, when the side wall outer plate is assembled in the Y direction, the welding edge of the side wall outer plate can directly extrude the foaming body, the welding edge can fall on the door ring in the Z direction after passing through the foaming body, and meanwhile the extruded foaming body rebounds to the original position to be attached to the inner wall of the side wall outer plate; therefore, the side wall outer plate can be assembled smoothly.
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Description

Technical Field

[0001] The present application relates to the automotive field, and in particular to an A-pillar sealing structure and a vehicle thereof. Background Art

[0002] Body cavity partition is an important means of sound insulation and noise reduction for the body. By blocking and sealing the cavities of the A, B, and C pillars of the body-in-white, the noise transmitted from the cavity to the interior of the vehicle due to external excitation and air flow in the cavity when the vehicle is driving at high speed is reduced. Cavity partition parts are usually designed to be similar in shape to the cross-section of the body cavity to ensure that the parts can be foamed and bonded to the surrounding sheet metal parts to form a seal after baking in the electrophoretic drying oven. However, due to the shape of the side panel outer panel and the need for the glass mounting surface in the A-pillar area, the side panel is usually designed to have a higher height in the Z+ direction, and the side panel can only be assembled in the Y direction when assembled with the door ring assembly. If the shape design of the A-pillar cavity partition is contoured to the inner side of the side panel outer panel, the side panel outer panel and the door ring cannot be assembled smoothly.

[0003] There are usually two traditional solutions for A-pillar cavity partitions: injection-molded contoured cavity partitions and extruded rubber strips. The former uses two-color injection molding or secondary injection molding to clip the parts onto the door ring, but if the Z-height of the side panel cavity is high, the side panel will be unable to be assembled onto the door ring; the latter uses self-adhesive bonding to the door ring or the inside of the side panel cavity, but due to the extrusion process, the equal-section design can only adapt to smaller cavity positions, resulting in the inability to seal areas with larger Z-heights in the cavity. Summary of the invention

[0004] The present application provides an A-pillar sealing structure and a vehicle thereof, which can solve the problem that the cavity partition provided in the related art may cause the side outer panel and the door ring to be unable to be assembled smoothly.

[0005] In the first aspect, the embodiment of the present application provides an A-pillar sealing structure, which includes: a door ring, a side outer panel and a cavity partition assembly, wherein the side outer panel is connected to the door ring and forms an outer cavity between the side outer panel and the door ring; the cavity partition assembly includes an outer cavity cavity partition frame and a foam body, wherein the outer cavity cavity partition frame is arranged on the door ring and is located in the outer cavity cavity, wherein the foam body is made of an elastically deformable material and is fixed on the outer cavity cavity partition frame, and a part of the foam body is in contact with the inner wall of the side outer panel. The cavity partition assembly is arranged on the door ring, and since the foam body is made of an elastically deformable material, when the side outer panel is assembled in the Y direction, the welding edge of the side outer panel can directly squeeze the foam body, and after the welding edge passes, it can fall downward on the door ring in the Z direction, and at the same time, the squeezed foam body rebounds to the original position and is in contact with the inner wall of the side outer panel, so that the assembly of the side outer panel can be successfully completed.

[0006] In combination with the first aspect, in one embodiment, the foam body includes: a first claw, a second claw and a third claw, the first claw is fixed to the outer cavity partition frame, and one end is fitted with the inner wall of the side outer panel; the second claw is fixed to the outer cavity partition frame, and is fitted with the door knocker; the third claw is fixed to the outer cavity partition frame, and is fitted with the door knocker.

[0007] In combination with the first aspect, in one embodiment, one end of the first claw extends to the angle between the side panel and the door ring.

[0008] In combination with the first aspect, in one embodiment, the first claw is obliquely disposed in the outer cavity, and the other end extends toward a side close to the top end of the side outer panel.

[0009] In combination with the first aspect, in one embodiment, the side outer panel includes a first wall panel, a second wall panel and a third wall panel;

[0010] The first wall plate is connected to one end of the door ring, the third wall plate is connected to the other end of the door ring, and the second wall plate is connected between the first wall plate and the third wall plate.

[0011] In combination with the first aspect, in one embodiment, a foaming space is formed between the first claw and the first wall plate and between the first claw and the door ring;

[0012] A foaming space is formed between the third clamping claw and the second wall plate, and between the second clamping claw and the third wall plate;

[0013] A foaming space is formed between the second clamping claw and the third wall plate.

[0014] In combination with the first aspect, in one implementation, the A-pillar sealing structure further includes:

[0015] An A-pillar inner plate is connected to the door ring and an inner cavity is formed between the A-pillar inner plate and the door ring.

[0016] In combination with the first aspect, in one embodiment, the cavity partition assembly further includes an inner cavity partition frame, and the inner cavity partition frame is fixed between the A-pillar inner panel and the door ring.

[0017] In combination with the first aspect, in one embodiment, the inner cavity partition frame, the door knocker and the outer cavity partition frame are connected by a connecting piece.

[0018] In a second aspect, an embodiment of the present application provides a car, comprising: an A-pillar sealing structure as described above.

[0019] The beneficial effects brought by the technical solution provided in the embodiments of the present application include:

[0020] An embodiment of the present application provides an A-pillar sealing structure and a vehicle thereof, wherein a cavity partition assembly is arranged on a door ring. Since the foam body is made of an elastically deformable material, when the side outer panel is assembled in the Y direction, the welding edge of the side outer panel can directly squeeze the foam body, and after the welding edge passes through, it can fall downward in the Z direction onto the door ring, and at the same time, the squeezed foam body rebounds to its original position and fits with the inner wall of the side outer panel, thereby successfully completing the assembly of the side outer panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 A side sectional view of the A-pillar sealing structure provided in an embodiment of the present application;

[0023] Figure 2 A schematic diagram of a door knocker and a cavity partition assembly provided in an embodiment of the present application;

[0024] Figure 3 A top view of a foam provided in an embodiment of the present application;

[0025] Figure 4 for Figure 3 Cross-sectional view at BB in the middle.

[0026] In the figure: 1, side outer panel; 10, first wall panel; 11, second wall panel; 12, third wall panel; 2, outer cavity partition frame; 3, door knocker; 4, inner cavity partition frame; 5, A-pillar inner panel; 6, first claw; 7, second claw; 8, third claw; 9, stud. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0028] The embodiment of the present application provides an A-pillar sealing structure and a vehicle thereof, which can solve the problem that the cavity partition provided in the related art may cause the side outer panel and the door ring to be unable to be assembled smoothly.

[0029] Body cavity partition is an important means of sound insulation and noise reduction for the body. By blocking and sealing the cavities of the A, B, and C pillars of the body-in-white, the noise transmitted from the cavity to the interior of the vehicle due to external excitation and air flow in the cavity when the vehicle is driving at high speed is reduced. Cavity partition parts are usually designed to be similar in shape to the cross-section of the body cavity to ensure that the parts can be foamed and bonded to the surrounding sheet metal parts to form a seal after baking in the electrophoretic drying oven. However, due to the shape of the side panel outer panel and the need for the glass mounting surface in the A-pillar area, the side panel is usually designed to have a higher height in the Z+ direction, and the side panel can only be assembled in the Y direction when assembled with the door ring assembly. If the shape design of the A-pillar cavity partition is contoured to the inner side of the side panel outer panel, the side panel outer panel and the door ring cannot be assembled smoothly.

[0030] There are usually two traditional solutions for A-pillar cavity partitions: injection-molded contoured cavity partitions and extruded rubber strips. The former uses two-color injection molding or secondary injection molding to clip the parts onto the door ring, but if the Z-height of the side panel cavity is high, the side panel will be unable to be assembled onto the door ring; the latter uses self-adhesive bonding to the door ring or the inside of the side panel cavity, but due to the extrusion process, the equal-section design can only adapt to smaller cavity positions, resulting in the inability to seal areas with larger Z-heights in the cavity.

[0031] See also Figures 1 to 4 , aiming at the problem that the cavity partition set up will cause the side outer panel and the door ring to be unable to be assembled smoothly. On the first aspect, the embodiment of the present application provides an A-pillar sealing structure, which includes: a door ring 3, a side outer panel 1 and a cavity partition assembly, the side outer panel 1 is connected to the door ring 3, and an outer cavity is formed between the side outer panel 1 and the door ring 3; the cavity partition assembly includes an outer cavity cavity partition frame 2 and a foam body, the outer cavity cavity partition frame 2 is arranged on the door ring 3 and is located in the outer cavity cavity, the foam body is made of elastic deformation material, and is fixed on the outer cavity cavity partition frame 2, and part of the foam body is in contact with the inner wall of the side outer panel 1.

[0032] In the present application, the cavity partition assembly is arranged on the door ring 3. Since the foam body is made of elastically deformable material, when the side outer panel 1 is assembled in the Y direction, the welding edge of the side outer panel 1 can directly squeeze the foam body. After the welding edge passes, it can fall downward in the Z direction onto the door ring 3. At the same time, the squeezed foam body rebounds to its original position and fits with the inner wall of the side outer panel 1, so that the assembly of the side outer panel 1 can be successfully completed.

[0033] The A-pillar sealing structure can solve the problem that the side panel and the door ring 3 cannot be assembled due to the traditional full-contact structure, and can also solve the difficulty of using extruded rubber strips to simultaneously seal large and small gaps in the cavity. The design is suitable for all structures where the A-pillar and the side panel enclose a cavity with a large Z-direction height (usually greater than 30mm) and a small Y-direction gap (the gap is as small as 5mm), and is particularly suitable for models with front corner windows, and side panel assemblies where the side panel outer panel 1 can be adjusted up and down in the Z direction within a range of about 10mm when assembled in the Y direction.

[0034] In addition, the A-pillar sealing structure further includes: an A-pillar inner plate 5, the A-pillar inner plate 5 is connected to the door ring 3, and an inner cavity is formed between the A-pillar inner plate 5 and the door ring 3. Therefore, the cavity partition assembly further includes an inner cavity partition frame 4, and the inner cavity partition frame 4 is fixed between the A-pillar inner plate 5 and the door ring 3.

[0035] Among them, the outer cavity partition frame 2, the door ring 3, the inner cavity partition frame 4 and the A-pillar inner panel 5 are welded and assembled at the supplier, which is called the front pillar assembly, and the side outer panel 1 is finally assembled on the door ring 3.

[0036] An outer cavity is formed between the side outer panel 1 and the door ring 3 , and an inner cavity is formed between the A-pillar inner panel 5 and the door ring 3 .

[0037] Furthermore, the inner cavity partition frame 4, the door knocker 3 and the outer cavity partition frame 2 are connected by a connector. Holes are opened on the door knocker 3, the inner cavity partition frame 4 and the outer cavity partition frame 2, the inner cavity partition frame 4 is set at the bottom of the door knocker 3, the outer cavity partition frame 2 is set at the top of the door knocker 3, the holes on the door knocker 3, the inner cavity partition frame 4 and the outer cavity partition frame 2 are aligned, and the inner cavity partition frame 4, the door knocker 3 and the outer cavity partition frame 2 are fixed by piercing the holes with the connector and then locking them. Among them, the connector may include a stud 9 and a nut, and the stud 9 is locked with a nut. This connection method is not only easy to operate, but also can provide a long-lasting and stable connection effect, ensuring the stability and safety of the entire structure.

[0038] On the basis of the above embodiments, in this embodiment, the foam body includes: a first claw 6, a second claw 7 and a third claw 8, the first claw 6 is fixed on the outer cavity partition frame 2, and one end is in contact with the inner wall of the side outer panel 1; the second claw 7 is fixed on the outer cavity partition frame 2, and is in contact with the door knocker 3; the third claw 8 is fixed on the outer cavity partition frame 2, and is in contact with the door knocker 3.

[0039] The studs 9 on the outer cavity partition frame 2 are arranged on both sides of the second clamping claw 7 and the third clamping claw 8 .

[0040] The first claw 6, the second claw 7 and the third claw 8 can seal the outer cavity up to 30 mm, and the first claw 6 has a frameless design, which not only reduces the overall weight but also improves the flexibility and convenience of installation. When the side panel 1 is assembled in the Y direction, the side panel welding edge can directly squeeze the first claw 6, and the welding edge can fall Z downward onto the door ring 3 after passing through. At the same time, the first claw 6 can quickly rebound to its original position after the welding edge passes through due to its good elastic recovery ability.

[0041] In this embodiment, two installation grooves are opened on the outer cavity partition frame 2, and the second claw 7 and the third claw 8 are arranged inside the corresponding installation grooves. Among them, the width of the second claw 7 is L1, which ranges from 5-8mm, the width of the third claw 8 is L2, which ranges from 3-5mm, and the thickness L3 and L4 of the second claw 7 and the third claw 8 are generally in the range of 3-8mm. In practical applications, the specific dimensions of the second claw 7 and the third claw 8 will be carefully designed according to the size of the cavity to be sealed to ensure the best sealing effect and installation convenience. Therefore, when designing the installation groove, it is necessary to refer to the design parameters of the second claw 7 and the third claw 8 to ensure that the size, shape and position of the installation groove can perfectly match the second claw 7 and the third claw 8, so as to achieve the best installation effect and sealing performance.

[0042] See also Figure 1 As shown, the outer cavity formed between the side outer panel 1 and the door ring 3 presents a "y" shape. In order to ensure that the foam body can simultaneously seal the larger and smaller gaps in the outer cavity, one end of the first clamping claw 6 is extended to the angle between the side outer panel 1 and the door ring 3, and the first clamping claw 6 is tilted in the outer cavity, and the other end extends to the side close to the top of the side outer panel 1; the upward angle of the first clamping claw 6 is about 45°, which is close to the angle between the side outer panel 1 and the door ring 3, which is more conducive to the first clamping claw 6 expanding with the side outer panel 1 when heated. Adhesive sealing, the first claw 6 is relatively long, and seals the smaller gap and the maximum gap between the side outer panel 1 and the door ring 3 at the same time. The minimum gap is sealed by injection molding the first claw 6 with a minimum thickness of about 2 mm. The structure is designed to be tilted upward by 45° and compressible during assembly. Such a structure can not only provide a certain elasticity during assembly to ensure the tightness of the seal, but also can deform moderately when under pressure to better adapt to gaps of different sizes, thereby jointly sealing the entire outer cavity to ensure excellent and lasting sealing effect.

[0043] The second claw 7 and the third claw 8 are both fitted with the door knocker 3, and the first claw 6, the second claw 7 and the third claw 8 are foamed in a specific direction and finally connected together to seal the outer cavity.

[0044] Specifically, the side outer panel 1 includes a first wall panel 10, a second wall panel 11 and a third wall panel 12; the first wall panel 10 is connected to one end of the door ring 3, the third wall panel 12 is connected to the other end of the door ring 3, and the second wall panel 11 is connected between the first wall panel 10 and the third wall panel 12.

[0045] Among them, a foaming space is formed between the first claw 6 and the first wall panel 10, and between the first claw 6 and the door knocker 3; a foaming space is formed between the third claw 8 and the second wall panel 11, and between the second claw 7 and the third wall panel 12; a foaming space is formed between the second claw 7 and the third wall panel 12.

[0046] The main sealing direction of the first clamp 6 is the Z-direction sealing, the main sealing direction of the second clamp 7 is the Y-direction sealing, filling the Y-direction of the side outer panel 1 and bonding with the first clamp 6, and the main sealing direction of the third clamp 8 is the Y-direction and Z-direction. After expanding in the Y-direction, it is bonded to the second clamp 7 and the first clamp 6, and bonded to the first clamp 6 in the Z-direction. When the first clamp 6 is heated, its material begins to foam and quickly connects to the highest point of the side outer panel 1 in the Z-direction. As the foaming material continues to expand, it begins to flow downward under the influence of gravity. This flow process not only helps to fill the outer cavity, but also further enhances the tightness of the seal. At the same time, the third claw 8 will also foam in the Z and Y directions, closely connected with the foam material of the first claw 6, forming a seamless sealing layer; while the second claw 7 will foam in the Y direction in a directional manner. Once it is closely connected with the side outer panel 1, the excess foam material will be squeezed in the X direction and finally connected with the foam material of the third claw 8; the first claw 6, the second claw 7 and the third claw 8 will finally gather together to successfully seal the outer cavity. In this application, the Y direction, Z direction and X direction are the Y direction, Z direction and X direction of the vehicle coordinate system.

[0047] In summary, the cavity partition assembly of the present application is fixed on the door ring 3 (or A-pillar reinforcement plate) by a clamping method, and the foam body is divided into three parts, namely the first claw 6, the second claw 7 and the third claw 8. The elastically deformable first claw 6 (usually EVA, i.e., ethylene-vinyl acetate copolymer) can avoid interference when assembling the side outer panel 1Y. Among them, the EVA foam body has high flexibility and can maintain good elasticity at different temperatures; this makes the A-pillar sealing structure not easy to deform, thereby extending the service life of the product; due to its internal porous structure, the EVA foam body has excellent buffering performance, which can effectively reduce the impact of external impact on the product and protect the A-pillar sealing structure from damage; there are a large number of microporous structures inside the EVA foam body, and these micropores can effectively prevent the transfer of heat, thereby achieving a good thermal insulation effect; the EVA foam body has good plasticity and processing performance, and can be processed into products of various shapes and sizes by hot pressing, molding and other processes to meet different application requirements. This feature makes the EVA foam body have high flexibility and adaptability in the manufacturing process. The first claw 6 is closer to the upper part of the side outer panel 1, which is beneficial to the sealing with the upper part of the inner part of the side outer panel 1 after foaming. At the same time, the second claw 7 is oriented to foam in the Y direction, and the third claw 8 is foamed in the Z direction and the Y direction at the same time. After the foaming is completed, the first claw 6, the second claw 7 and the third claw 8 are finally connected together to form a seal for the A-pillar cavity.

[0048] In a second aspect, an embodiment of the present application provides a car, which includes: an A-pillar sealing structure provided by any of the above embodiments of the present application.

[0049] In the present application, the cavity partition assembly is arranged on the door ring 3. Since the foam body is made of elastically deformable material, when the side outer panel 1 is assembled in the Y direction, the welding edge of the side outer panel 1 can directly squeeze the foam body. After the welding edge passes, it can fall downward in the Z direction onto the door ring 3. At the same time, the squeezed foam body rebounds to its original position and fits with the inner wall of the side outer panel 1, so that the assembly of the side outer panel 1 can be successfully completed.

[0050] Among them, an A-pillar sealing structure includes: a door ring 3, a side outer panel 1 and a cavity partition assembly, the side outer panel 1 is connected to the door ring 3, and an outer cavity is formed between the side outer panel 1 and the door ring 3; the cavity partition assembly includes an outer cavity partition frame 2 and a foam body, the outer cavity partition frame 2 is arranged on the door ring 3 and is located in the outer cavity, the foam body is made of an elastic deformation material and is fixed on the outer cavity partition frame 2, and part of the foam body is in contact with the inner wall of the side outer panel 1.

[0051] In one embodiment, the foam body includes: a first claw 6, a second claw 7 and a third claw 8, the first claw 6 is fixed on the outer cavity partition frame 2, and one end is in contact with the inner wall of the side outer panel 1; the second claw 7 is fixed on the outer cavity partition frame 2, and is in contact with the door knocker 3; the third claw 8 is fixed on the outer cavity partition frame 2, and is in contact with the door knocker 3.

[0052] In one embodiment, one end of the first claw 6 extends to the angle between the side outer panel 1 and the door ring 3. In one embodiment, the first claw 6 is tilted in the outer cavity, and the other end extends to the side close to the top of the side outer panel 1. The outer cavity formed between the side outer panel 1 and the door ring 3 is in a "y" shape. In order to ensure that the foam can simultaneously seal larger and smaller gaps in the outer cavity, one end of the first claw 6 is extended to the angle between the side outer panel 1 and the door ring 3, and the first claw 6 is tilted in the outer cavity, and the other end extends to the side close to the top of the side outer panel 1; the upward angle of the first claw 6 is about 45°, which is close to the angle between the side outer panel 1 and the door ring 3, which is more conducive to the first claw 6 to be bonded to the side outer panel 1 when it expands due to heat. Sealing, the first claw 6 is relatively long, and seals the smaller gap and the maximum gap between the side outer panel 1 and the door ring 3 at the same time. The minimum gap is sealed by injection molding the first claw 6 with a minimum thickness of about 2 mm. The structure is designed to be tilted upward by 45° and compressible during assembly. Such a structure can not only provide a certain elasticity during assembly to ensure the tightness of the seal, but also can deform moderately when under pressure to better adapt to gaps of different sizes, thereby jointly sealing the entire outer cavity to ensure excellent and lasting sealing effect.

[0053] In one embodiment, the side outer panel 1 includes a first wall panel 10, a second wall panel 11 and a third wall panel 12;

[0054] The first wall panel 10 is connected to one end of the door knocker 3 , the third wall panel 12 is connected to the other end of the door knocker 3 , and the second wall panel 11 is connected between the first wall panel 10 and the third wall panel 12 .

[0055] In one embodiment, a foaming space is formed between the first claw 6 and the first wall plate 10 and between the first claw 6 and the door ring 3;

[0056] A foaming space is formed between the third clamping claw 8 and the second wall plate 11, and between the second clamping claw 7 and the third wall plate 12;

[0057] A foaming space is formed between the second clamping claw 7 and the third wall plate 12 .

[0058] In one embodiment, the A-pillar sealing structure further includes: an A-pillar inner plate 5 , wherein the A-pillar inner plate 5 is connected to the door ring 3 and an inner cavity is formed between the A-pillar inner plate 5 and the door ring 3 .

[0059] In one embodiment, the cavity partition assembly further includes an inner cavity partition frame 4 , and the inner cavity partition frame 4 is fixed between the A-pillar inner plate 5 and the door ring 3 .

[0060] In one embodiment, the inner cavity partition frame 4, the door knocker 3 and the outer cavity partition frame 2 are connected via a connecting piece.

[0061] The cavity partition assembly of the present application is fixed on the door ring 3 (or A-pillar reinforcement plate) by a clamping method, and the foam body is divided into three parts, namely the first claw 6, the second claw 7 and the third claw 8. The elastically deformable first claw 6 (usually EVA, i.e., ethylene-vinyl acetate copolymer) can avoid interference when assembling the side outer panel 1Y direction. Among them, the EVA foam body has high flexibility and can maintain good elasticity at different temperatures; this makes the A-pillar sealing structure not easy to deform, thereby extending the service life of the product; due to its internal porous structure, the EVA foam body has excellent buffering performance, which can effectively reduce the impact of external impact on the product and protect the A-pillar sealing structure from damage; there are a large number of microporous structures inside the EVA foam body, and these micropores can effectively prevent the transfer of heat, thereby achieving a good thermal insulation effect; the EVA foam body has good plasticity and processing performance, and can be processed into products of various shapes and sizes by hot pressing, molding and other processes to meet different application requirements. This feature makes the EVA foam body have high flexibility and adaptability in the manufacturing process. The first claw 6 is closer to the upper part of the side outer panel 1, which is beneficial to the sealing with the upper part of the inner part of the side outer panel 1 after foaming. At the same time, the second claw 7 is oriented to foam in the Y direction, and the third claw 8 is foamed in the Z direction and the Y direction at the same time. After the foaming is completed, the first claw 6, the second claw 7 and the third claw 8 are finally connected together to form a seal for the A-pillar cavity.

[0062] In the description of the present application, it should be noted that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0063] It should be noted that, in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0064] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. An A-pillar sealing structure, characterized in that: It includes: Door knocker (3); A side outer panel (1), the side outer panel (1) being connected to the door ring (3) and forming an outer cavity between the side outer panel (1) and the door ring (3); A cavity partition component, the cavity partition component comprising an outer cavity cavity partition frame (2) and a foam body, the outer cavity cavity partition frame (2) being arranged on a door ring (3) and being located in the outer cavity cavity, the foam body being made of an elastically deformable material and being fixed on the outer cavity cavity partition frame (2), and part of the foam body being in contact with the inner wall of the side outer panel (1).

2. The A-pillar sealing structure according to claim 1, characterized in that: The foamed body comprises: A first clamping claw (6), wherein the first clamping claw (6) is fixed on the outer cavity partition frame (2), and one end of the first clamping claw is in contact with the inner wall of the side outer panel (1); A second claw (7), the second claw (7) being fixed on the outer cavity partition frame (2) and being in contact with the door knocker (3); A third clamping claw (8), wherein the third clamping claw (8) is fixed on the outer cavity partition frame (2) and fits with the door knocker (3).

3. The A-pillar sealing structure according to claim 2, characterized in that: One end of the first claw (6) extends to the angle between the side outer plate (1) and the door ring (3).

4. The A-pillar sealing structure according to claim 3, characterized in that: The first clamping claw (6) is obliquely arranged in the outer cavity, and the other end thereof extends toward a side close to the top end of the side enclosure outer plate (1).

5. The A-pillar sealing structure according to claim 2, characterized in that: The side outer panel (1) comprises a first wall panel (10), a second wall panel (11) and a third wall panel (12); The first wall plate (10) is connected to one end of the door knocker (3), the third wall plate (12) is connected to the other end of the door knocker (3), and the second wall plate (11) is connected between the first wall plate (10) and the third wall plate (12).

6. The A-pillar sealing structure according to claim 5, characterized in that: A foaming space is formed between the first clamping claw (6) and the first wall plate (10), and between the first clamping claw (6) and the door ring (3); A foaming space is formed between the third clamping claw (8) and the second wall plate (11), and between the second clamping claw (7) and the third wall plate (12); A foaming space is formed between the second clamping claw (7) and the third wall plate (12).

7. The A-pillar sealing structure according to claim 1, characterized in that: The A-pillar sealing structure further includes: An A-pillar inner plate (5) is connected to the door ring (3) and an inner cavity is formed between the A-pillar inner plate (5) and the door ring (3).

8. The A-pillar sealing structure according to claim 7, characterized in that: The cavity partition assembly further comprises an inner cavity partition frame (4), and the inner cavity partition frame (4) is fixed between the A-pillar inner plate (5) and the door ring (3).

9. The A-pillar sealing structure according to claim 8, characterized in that: The inner cavity partition frame (4), the door ring (3) and the outer cavity partition frame (2) are connected via a connecting piece.

10. An automobile, characterized in that: It includes: An A-pillar sealing structure as claimed in any one of claims 1 to 9.

Citation Information

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