A rail vehicle inspection door installation structure

By designing a combined structure of hidden damping hinges and multi-functional connecting plates in rail vehicles, the problems of checking door sag, uneven gaps and opening and closing interference are solved, and the uniformity and service life of the gap between the door panel and the wall panel are achieved.

CN222742683UActive Publication Date: 2025-04-11QINGDAO VICTALL LUOMEI NEW MATERIALS MFG CO LTD
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Patent Information

Application Number
CN202420828602.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-22
Publication Date
2025-04-11
Estimated Expiration
2034-04-22

AI Technical Summary

Technical Problem

The inspection doors in rail vehicles are exposed to their hinges, too long cantilevers, and insufficient adjustment space, which leads to sagging, uneven gaps, and interference with the wall when opening and closing, which easily causes bumps and reduces service life.

Method used

A rail vehicle inspection door installation structure is designed, using a hidden damping hinge, and the functions of multi-directional adjustment and fixing any angle are achieved through the combination of the door body connecting plate, the door body transition plate and the wall connecting plate.

Benefits of technology

The uniformity of the gap between the door panel and the wall panel is achieved, interference during opening and closing is avoided, service life is extended, and the structural simplicity and production efficiency of the product are improved.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222742683U_ABST
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Abstract

In order to solve the problems of sagging, uneven gaps, interference with walls during opening and closing, which affect the life of the door body, etc., of the long inspection doors installed in existing rail vehicles, the utility model provides a rail vehicle inspection door installation structure, including a wall, a door body, a damping hinge, a door body connecting plate, a door body transition plate, and a wall panel connecting plate; the door body and the damping hinge are fixedly connected via a door body connecting plate and a door body transition plate; the wall and the damping hinge are fixedly connected via a wall connecting plate; wherein the door body transition plate is fixedly connected to the damping hinge, the door body transition plate is fixedly connected to the door body connecting plate, and the wall connecting plate is fixedly connected to the wall; the structure is simple and the precision is high, so that the inspection door can realize multi-directional adjustment function after installation, and can be opened to any fixed angle, with a maximum opening and closing angle of 180°, a uniform gap between the door body and the wall, and the door body does not interfere with the wall during opening and closing, and the opening and closing service life is greater than 20,000 times.
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Description

Technical Field

[0001] The utility model relates to a rail vehicle, in particular to an inspection door installation structure of a rail vehicle. Background Art

[0002] Medium-long inspection doors are often installed in the interior decoration design of rail vehicles. After the inspection door is assembled, the hinges are exposed, the cantilever of the inspection door is too long, and the adjustment space is insufficient, so the inspection door sags and the overall gap of the inspection door is uneven, which affects the aesthetics of the door panel installation. When opening and closing, it interferes with the wall, easily causing bumps, damaging the door body, and reducing the service life of the door body. Summary of the invention

[0003] In order to solve the above problems, the utility model provides a rail vehicle inspection door installation structure with uniform gaps between a door panel and a wall panel, which can be fixed at any angle after opening and has no collision when closed.

[0004] The rail vehicle inspection door installation structure described in the utility model comprises a wall, a door body, a damping hinge, a door body connecting plate, a door body transition plate, and a wall panel connecting plate; the door body and the damping hinge are fixedly connected via the door body connecting plate and the door body transition plate; the wall and the damping hinge are fixedly connected via the wall connecting plate; wherein the door body transition plate is fixedly connected to the damping hinge, the door body transition plate is fixedly connected to the door body connecting plate, and the wall connecting plate is fixedly connected to the wall.

[0005] Furthermore, the door body connecting plate is of type B, and the door body transition plate and the wall body connecting plate are both of type L.

[0006] Furthermore, the door connecting plate and the door body, and the wall connecting plate and the wall are respectively bonded by glue; the door connecting plate and the door transition plate, the door transition plate and the damping hinge, and the wall connecting plate and the damping hinge are respectively fixed by bolts and nuts.

[0007] Furthermore, the bolt holes for connecting the door body connecting plate and the door body transition plate, and the bolt holes for connecting the wall body connecting plate and the wall are all oblong holes, so as to facilitate the adjustment of the relative positions of the damping hinge, the door body and the wall.

[0008] Furthermore, the oblong shapes of the bolt holes on the door body connecting plate, the door body transition plate connection and the wall connecting plate are arranged along the width direction.

[0009] The hinge of the installation structure of the rail vehicle inspection door described in the utility model is a hidden structure with high precision, so that the inspection door can realize multi-directional adjustment function after installation, and can be fixed at any angle when opened. The maximum opening and closing angle is 180°, and the gap between the door body and the wall is uniform. The door body and the wall do not interfere with each other when opening and closing. The opening and closing service life is greater than 20,000 times, and the product structure is simple, the production efficiency is high, and it is easy to promote and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a diagram of the installation of the hinge of the rail vehicle inspection door installation structure of the utility model on a vehicle.

[0011] Figure 2 It is a cross-sectional view of the installation structure of the rail vehicle inspection door of the utility model;

[0012] Figure 3 It is a three-dimensional diagram of the installation structure of the rail vehicle inspection door of the utility model.

[0013] Description of each mark in the figure:

[0014] 1-door body; 2-wall body; 3-damping hinge; 4-door body connecting plate; 5-door body transition plate; 6-wall panel connecting plate; 7-bolts and nuts; 8-adjustment hole. DETAILED DESCRIPTION

[0015] Combine the following Figures 1 to 3 The vehicle inspection door installation structure of the utility model is described in detail.

[0016] like Figures 1 to 3 As shown, the rail vehicle inspection door installation structure of the utility model includes a wall body 2, a door body 1, a damping hinge 3, a door body connecting plate 4, a door body transition plate 5, and a wall panel connecting plate 6.

[0017] The door transition plate 5 is angle-shaped and fixedly connected to the damping hinge 3 by bolts and nuts 7; the door connecting plate 4 is B-shaped, one end of which is bonded to the door body 2 by glue, and the other end is fixedly connected to the door transition plate 5 by bolts and nuts 7.

[0018] The wall connecting plate 6 is angle-shaped, one plane of the wall connecting plate 6 is bonded to the wall 2 by adhesive, and the other plane is fixedly connected to the damping hinge 3 by bolts and nuts 7 .

[0019] The bolt holes connecting the door connecting plate 4 and the door transition plate 5, as well as the bolt holes on the wall connecting plate 6 connected to the wall 2 are all oblong holes, and the oblong shapes of the bolt holes are arranged along the width direction of the door connecting plate 4, the door transition plate 5, and the wall connecting plate 6, so as to facilitate the adjustment of the relative positions of the damping hinge 3, the door 1, and the wall 2.

[0020] The hinge of the installation structure of the rail vehicle inspection door described in the utility model is a hidden structure with high precision, so that the inspection door can realize multi-directional adjustment function after installation, and can be fixed at any angle when opened. The maximum opening and closing angle is 180°, and the gap between the door body and the wall is uniform. The door body and the wall do not interfere with each other when opening and closing. The opening and closing service life is greater than 20,000 times, and the product structure is simple, the production efficiency is high, and it is easy to promote and use.

[0021] The above is only the preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model.

Claims

1. A rail vehicle inspection door installation structure, characterized in that: It includes a wall, a door body, a damping hinge, a door body connecting plate, a door body transition plate, and a wall panel connecting plate; the door body and the damping hinge are fixedly connected via the door body connecting plate and the door body transition plate; the wall and the damping hinge are fixedly connected via the wall connecting plate; wherein the door body transition plate is fixedly connected to the damping hinge, the door body transition plate is fixedly connected to the door body connecting plate, and the wall connecting plate is fixedly connected to the wall.

2. The rail vehicle inspection door installation structure according to claim 1, characterized in that: The door body connecting plate is of type B, and the door body transition plate and the wall connecting plate are both of type L.

3. The rail vehicle inspection door installation structure according to claim 1, characterized in that: The door connecting plate and the door body, the wall connecting plate and the wall are respectively bonded by glue; the door connecting plate and the door transition plate, the door transition plate and the damping hinge, and the wall connecting plate and the damping hinge are respectively fixed by bolts and nuts.

4. The rail vehicle inspection door installation structure according to claim 2, characterized in that: The door connecting plate and the door body, the wall connecting plate and the wall are respectively bonded by glue, and the door connecting plate and the door transition plate, the door transition plate and the damping hinge, and the wall connecting plate and the damping hinge are respectively fixed by bolts and nuts.

5. The rail vehicle inspection door installation structure according to any one of claims 1 to 4, characterized in that: The bolt holes for connecting the door body connecting plate with the door body transition plate, and the bolt holes for connecting the wall body connecting plate with the wall are all oblong holes.

6. The rail vehicle inspection door installation structure according to claim 5, characterized in that: The oblong shapes of the bolt holes on the door body connecting plate, the door body transition plate connection and the wall connecting plate are arranged along the width direction.