Side wall plate structure of a rail vehicle detachable inner frame

Abstract

In order to solve the problem of disassembly and environmental protection hidden trouble of post-processing of product scrap caused by damage or maintenance of the existing glass fiber reinforced plastic integrally formed side wall plate, the utility model provides a kind of side wall plate structure of rail vehicle detachable inner frame, including wall plate outer frame component, wall plate inner frame component, windowsill cover plate component;The back of wall plate outer frame component is provided with fixed screw sleeve below the opening of car window;The upper portion of the back of wall plate inner frame component is provided with inner frame plug-in section bar, and the inner frame air duct section bar is provided close to the windowsill surface;The upper portion of wall plate inner frame component is plugged in with wall plate outer frame component through inner frame plug-in section bar, and the lower portion is connected with the fixed screw sleeve of wall plate outer frame component through bolt group;Windowsill cover plate component is provided with turnup, and the back is provided with adhesive snap fastener, the back of turnup is provided with cover plate plug-in section bar, and the cover plate plug-in section bar is plugged in with wall plate inner frame component, and the adhesive snap fastener is bonded with inner frame air duct section bar to achieve fixed connection with wall plate inner frame component;Its advantages are easy to disassemble, quick maintenance and green environmental protection.

Description

Technical Field

[0001] This utility model relates to the interior side wall panel of a rail vehicle, specifically to the side wall panel structure of a detachable inner frame of a rail vehicle. Background Technology

[0002] The side wall panels inside the rail vehicle body are decorative and functional components between the floor and the luggage rack. They not only directly shape the spatial visual experience of the carriage, but also bear the heavy responsibility of integrating many practical functional sub-components such as sunshades and coat hooks.

[0003] The existing sidewall panels are made of one-piece molded fiberglass, which presents a significant engineering challenge: when the windows are broken or require repair, technicians must spend considerable time disassembling the entire large and heavy panel assembly. This process is not only tedious and complex, and prone to damaging adjacent components, but also directly extends the train's downtime for maintenance, posing a challenge to efficient operation. Furthermore, as a thermosetting composite material, traditional fiberglass is difficult to recycle and has low value after disposal, often only suitable for landfill or incineration, posing certain environmental concerns. Summary of the Invention

[0004] To address the above technical problems, this utility model provides a side wall panel structure for a detachable inner frame of a rail vehicle that is easy to disassemble, allows for quick maintenance, is environmentally friendly, and offers high structural strength and passenger comfort.

[0005] The side wall panel of the detachable inner frame of the rail vehicle described in this utility model includes an outer wall panel frame assembly, an inner wall panel frame assembly, a window sill cover assembly, an inner frame insert profile, a cover plate insert profile, and an inner frame air duct profile. The outer wall panel frame assembly has a window opening, and a fixing screw sleeve is provided below the window opening. The inner wall panel frame assembly has a window opening, and an inner frame insert profile is provided on the upper part of the back of the inner wall panel frame assembly, and an inner frame air duct profile is provided on the back of the inner wall panel frame assembly close to the window sill surface. The upper part of the inner wall panel frame assembly is inserted into the outer wall panel frame assembly through the inner frame insert profile, and the lower part is connected to the fixing screw sleeve of the outer wall panel frame assembly through bolts. The window sill cover assembly has a downward-curved edge facing inward, and a cover plate insert profile is provided on the back of the curved edge. The window sill cover assembly is inserted into the inner wall panel frame assembly through the cover plate insert profile, and the back of the window sill cover assembly is bonded to the upper surface of the inner frame air duct profile.

[0006] Furthermore, the outer frame of the wall panel, the inner frame of the wall panel, and the window sill cover are all made of PC material and formed by vacuum forming.

[0007] Furthermore, the air duct profile formed by the inner surface of the window sill cover and the inner wall panel is bonded together with adhesive fasteners.

[0008] Furthermore, the inner wall panel assembly has a window sealing strip on its end face around the window.

[0009] Furthermore, the back of the wall panel frame is provided with a main air duct, and aluminum-magnesium alloy profiles for reinforcement and installation are provided along the circumference, while coat hooks are provided on the front.

[0010] Furthermore, the inner frame of the wall panel is equipped with a sunshade curtain and aluminum-magnesium alloy sunshade curtain tracks located on both sides.

[0011] Furthermore, the inner frame insert profile and the inner frame of the wall panel are bonded together, and the cover plate insert profile and the cover plate assembly are bonded together.

[0012] The side wall panel structure of the detachable inner frame of the rail vehicle described in this utility model adopts a modular design consisting of separate inner and outer frames. This allows the outer and inner frames of the wall panel, as well as the window sill cover, to be assembled together through simple plug-in and bolt connections. This successfully overcomes the efficiency bottleneck of window maintenance, reducing critical maintenance time by approximately 50%. The modular design supports targeted replacement of damaged components, avoiding the high replacement costs associated with traditional integrated panels where a single issue affects the entire system. It also reduces the possibility of abnormal noises during operation and optimizes structural strength and passenger comfort. The PC material, combined with vacuum forming, incorporates significant environmental protection features. The recyclability of the material and the ease of disassembly due to the modular structure allow components to enter the recycling cycle more efficiently after reaching their service life, reducing waste disposal pressure and improving the product's overall life-cycle environmental performance. This reflects the deep integration and refinement of modern rail vehicle design in terms of functionality, maintainability, user-friendly experience, and environmental sustainability. This innovation is a vivid example of the pursuit of efficiency, reliability, comfort, and green development in the rail equipment manufacturing field. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the composition of the outer frame and the inner frame of the side wall panel in the detachable inner frame structure of the rail vehicle described in this utility model.

[0014] Figure 2 This is a schematic diagram of the composition of the inner frame of the wall panel and the window sill in the side wall panel structure of the detachable inner frame of the rail vehicle described in this utility model.

[0015] Figure 3 This is a cross-sectional view of the side wall panel structure of the detachable inner frame of the rail vehicle described in this utility model.

[0016] Figure 4 yes Figure 3 A cross-sectional view of the lower part of the middle window.

[0017] Figure 5 yes Figure 3 A cross-sectional view of the upper part of the middle window.

[0018] Explanation of each mark in the diagram: 1-Wall panel outer frame; 2-Wall panel inner frame; 3-Window sill cover; 4-Inner frame insert profile; 5-Fastening bolt assembly; 6-Fixing screw sleeve; 7-Cover plate insert profile; 8-3M adhesive fastener; 9-Inner frame air duct profile; 10-Window sealing strip. Detailed Implementation

[0019] The following is combined with Figures 1 to 5 The side wall panel structure of the detachable inner frame of the rail vehicle described in this utility model is described in detail.

[0020] like Figure 1 and Figure 2 As shown, the side wall panel structure of the detachable inner frame of the rail vehicle of this utility model mainly includes three parts: wall panel outer frame 1, wall panel inner frame 2, and window sill cover plate 3. The wall panel outer frame 1 is the base, the wall panel inner frame 2 is installed on the wall panel outer frame 1, and the window sill cover plate 3 is installed on the wall panel inner frame 2.

[0021] The outer frame of the wall panel is mainly made of PC material and manufactured by vacuum forming process. There is a window opening in the middle. The back has a main air duct. There is a fixing screw below the window. Aluminum-magnesium alloy profiles are bonded around the perimeter for reinforcement and installation. There are coat hooks on the front.

[0022] like Figure 3 and Figure 4 As shown, the inner frame of the wall panel 2 is mainly made of PC material and manufactured by vacuum forming process. A window opening is provided in the middle position. The upper part of the back is bonded with the inner frame insert profile 4, and the inner frame air duct profile 9 is provided close to the window sill. A window sealing strip 10 is provided on the end face around the window. The upper part of the inner frame of the wall panel 2 integrates a sunshade curtain, and aluminum-magnesium alloy sunshade roller blind sliding profiles are bonded to both sides.

[0023] like Figure 3 and Figure 4 The window sill cover assembly 3 shown is mainly made of PC material and is manufactured by vacuum forming process; the window sill cover assembly 3 has a downward folded edge facing the inside of the vehicle, and a cover plate insert profile 7 is glued to the back of the folded edge; 3M adhesive fasteners are glued to the back of the window sill cover assembly 3 along the circumferential direction.

[0024] like Figure 3 and Figure 5 As shown, the upper part of the inner frame assembly 2 is connected to the outer frame assembly 1 via the inner frame insert profile 4, and the lower part is connected to the outer frame assembly 1 via the fastening bolt group 5 and the fixing screw sleeve 6. The window sill cover assembly 3 is connected to the inner frame assembly 2 via the cover plate insert profile 7, and the 3M adhesive fastener 8 on the back is connected to the inner frame duct profile 9. The three parts of the outer frame assembly 1, the inner frame assembly 2, and the window sill cover assembly 3 are assembled together through simple insert and bolt connections. The assembly and disassembly are simple, require no tools, and are convenient for maintenance.

[0025] The side wall panel structure of the detachable inner frame of the rail vehicle described in this utility model consists of an outer wall panel frame 1, which forms the main decorative surface and is responsible for the connection with the vehicle body; and an inner wall panel frame 2, which serves as the core functional carrier, is firmly fixed to the outer wall panel frame 1 and seals against the window glass, while also connecting to the window sill cover 3. These three components are combined through a precise plug-in structure and bolt fastening method, achieving a clear separation between physical and functional aspects. This modular design also lays the foundation for convenient disassembly and material recycling in the future.

[0026] When window maintenance is required, simply loosening the bolts in specific locations allows for the quick and easy removal of the inner frame module, directly exposing the window area for repair or replacement. This completely eliminates the large-scale project of disassembling entire wall panels and other components as in traditional methods, drastically reducing maintenance time from hours to minutes, significantly improving operational efficiency, and reducing resource consumption and potential waste generated during maintenance.

[0027] Furthermore, the side wall panel structure of the detachable inner frame of the rail vehicle described in this utility model abandons traditional fiberglass and is made of lightweight, high-strength polycarbonate (PC) sheets combined with vacuum forming. PC material not only meets existing technical parameter requirements, but its thermoplastic nature also brings significant environmental advantages. Unlike fiberglass, which is difficult to recycle, PC material can be efficiently recycled through melt re-granulation, greatly reducing the environmental footprint throughout the product's life cycle and aligning with the green development trend of rail transit equipment.

[0028] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from its technical solution shall still fall within the protection scope of this utility model.

Claims

1. A side wall panel structure for a detachable inner frame of a rail vehicle, characterized in that: The system includes an outer wall panel frame, an inner wall panel frame, a window sill cover, an inner frame insert profile, a cover insert profile, and an inner frame air duct profile. The outer wall panel frame has a window opening, and a fixing screw sleeve is provided on its back below the window opening. The inner wall panel frame also has a window opening, and an inner frame insert profile is provided on the upper part of its back, while an inner frame air duct profile is provided close to the window sill. The upper part of the inner wall panel frame is inserted into the outer wall panel frame via the inner frame insert profile, and the lower part is connected to the fixing screw sleeve of the outer wall panel frame via a bolt group. The window sill cover has a downward-curved edge facing inward, and a cover insert profile is provided on the back of the curved edge. The window sill cover is inserted into the inner wall panel frame via the cover insert profile, and the back of the window sill cover is bonded to the upper surface of the inner frame air duct profile.

2. The side wall panel structure of the detachable inner frame of the rail vehicle according to claim 1, characterized in that: The outer frame of the wall panel, the inner frame of the wall panel, and the window sill cover are all made of PC material and formed by vacuum forming.

3. The side wall panel structure of the detachable inner frame of the rail vehicle according to claim 1, characterized in that: The window sill cover and the air duct profile composed of the inner wall panel are bonded together by an adhesive snap fastener.

4. The side wall panel structure of the detachable inner frame of the rail vehicle according to claim 2, characterized in that: The window sill cover and the air duct profile composed of the inner wall panel are connected by adhesive fasteners.

5. The side wall panel structure of the detachable inner frame of the rail vehicle according to any one of claims 1 to 4, characterized in that: The inner wall panel is provided with a window sealing strip on the end face around the window.

6. The side wall panel structure of the detachable inner frame of the rail vehicle according to any one of claims 1 to 4, characterized in that: The back of the wall panel frame is also equipped with a main air duct, and aluminum-magnesium alloy profiles for reinforcement and installation are provided along the circumference. Clothes hooks are provided on the front.

7. The side wall panel structure of the detachable inner frame of the rail vehicle according to claim 5, characterized in that: The back of the wall panel frame is also equipped with a main air duct, and aluminum-magnesium alloy profiles for reinforcement and installation are provided along the circumference. Clothes hooks are provided on the front.

8. The side wall panel structure of the detachable inner frame of the rail vehicle according to claim 1, 2, 3, 4, or 7, characterized in that: The inner frame of the wall panel is equipped with a sunshade curtain and aluminum-magnesium alloy sunshade curtain tracks on both sides.

9. The side wall panel structure of the detachable inner frame of a rail vehicle according to claim 1, 2, 3, 4, or 7, characterized in that: The inner frame insert profile and the inner frame of the wall panel are bonded together, and the cover plate insert profile and the cover plate are bonded together.

10. The side wall panel structure of the detachable inner frame of the rail vehicle according to claim 8, characterized in that: The inner frame insert profile and the inner frame of the wall panel are bonded together, and the cover plate insert profile and the cover plate are bonded together.

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