Valve structure of apron board of bullet train

By designing a valve structure on the train skirt, including a movable door and sliding parts, and using self-locking points and anti-rotation bolts for connection, the problem of inconvenience in opening and closing the train skirt when the stop time is short is solved, and convenient maintenance operations are realized.

CN224107155UActive Publication Date: 2026-04-10NANJING XINGYU RAILWAY TECH EQUIP MFG CO
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NANJING XINGYU RAILWAY TECH EQUIP MFG CO
Filing Date
2025-04-29
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

When the stop time on a high-speed train is short, opening and closing the train skirts is inconvenient, which affects the inspection and maintenance time.

Method used

Design a gate structure for a train skirt panel, comprising a movable gate and a sliding component. The movable gate is slidably connected to the skirt panel via the sliding component, and a self-locking point is provided for easy opening and closing. The sliding component includes a gate slide plate and a slide rail, which are fixedly connected using anti-rotation bolts and washers to achieve a self-locking function.

Benefits of technology

The process of opening and closing the train skirts has been simplified, saving maintenance time and improving maintenance efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a movable door structure of a bullet train apron board, which comprises the bullet train apron board, the bullet train apron board is provided with a movable door assembly used for self-locking, the movable door assembly comprises a movable door and a sliding piece, and the movable door is arranged on the bullet train apron board through the sliding piece used for opening and closing the movable door; the movable door is simple in structure and reasonable in design, the movable door slides inwards according to the movable door slide way to open the apron board of the motor car, then internal maintenance is carried out, a self-locking point is arranged at the opening position of the movable door, the movable door does not need to be locked additionally, the movable door is closed after maintenance is completed, and the movable door cannot be turned up under the limitation of the movable door slide way and the action of the gravity of the movable door. Compared with a tedious lock arranged on the bullet train apron board, the valve assembly enables the bullet train apron board to be opened and closed more conveniently and simply, inspection and maintenance of the bottom of the bullet train are facilitated, and the maintenance time is saved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to advanced manufacturing and automation technical field, concretely is a kind of flap structure of high-speed train apron. BACKGROUND

[0002] The apron structure is used to protect the lower equipment of the high-speed train from being damaged by flying stones and foreign matters, thereby avoiding unnecessary losses.

[0003] Disadvantages of prior art:

[0004] At present, the apron needs to be opened and closed frequently when the lower facilities of the high-speed train need to be checked and operated frequently, and the inconvenience of opening and closing the apron affects the time of checking and repairing under the condition that the stopping time is becoming shorter and shorter. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of flap structure of high-speed train apron to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of flap structure of high-speed train apron, including high-speed train apron, the high-speed train apron is provided with the flap assembly for self-locking, the flap assembly includes:

[0007] movable door;

[0008] sliding part, the movable door is set in the high-speed train apron by being provided with the sliding part for the opening and closing of the movable door.

[0009] Preferably, the movable door both sides are provided with movable door frame for connecting the sliding part.

[0010] Preferably, the sliding part includes:

[0011] flap slide plate, the movable door frame is set in the flap slide plate by being provided with rotation-stopping bolt;

[0012] flap slide, the flap slide plate is opened with the flap slide for the sliding of the movable door frame, and the movable door frame is movably connected to the flap slide by the rotation-stopping bolt.

[0013] Preferably, the flap slide plate is provided with mounting seat for connecting the high-speed train apron.

[0014] Preferably, the flap slide plate is provided with slide way backing plate.

[0015] Preferably, the rotation-stopping bolt and the movable door frame connecting place are provided with washer.

[0016] Compared with prior art, the utility model has the beneficial effects that:

[0017] The door structure of the train apron is provided with a door assembly, the door assembly comprises a movable door and a sliding piece, the sliding piece comprises a door sliding plate and a door sliding channel, the door sliding plate is provided with the door sliding channel, the door sliding plate is provided with a mounting seat for connecting the train apron, a movable door frame is slidably connected to the door sliding channel in the door sliding plate through a rotation-stopping bolt, the movable door slides inward along the door sliding channel to open the train apron, and then internal maintenance is carried out; the opening position of the movable door is provided with a self-locking point, so that the movable door does not need to be locked separately; after the maintenance is completed, the movable door is closed, and the movable door will not be turned up under the limitation of the door sliding channel and the gravity of the movable door itself; compared with the complicated lock provided on the train apron, the door assembly makes the opening and closing of the train apron more convenient and simple, facilitates the inspection and maintenance of the bottom of the train, and saves the maintenance time. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is a movable assembly schematic view of the utility model;

[0020] Figure 3 It is a specific schematic view of A of the utility model;

[0021] Figure 4 It is a door sliding plate schematic view of the utility model;

[0022] In the drawing: 110, train apron; 120, movable door; 121, movable door frame; 130, sliding piece; 131, door sliding plate; 132, door sliding channel; 140, rotation-stopping bolt; 150, mounting seat; 160, sliding channel backing plate; 170, gasket; 180, nut; 190, split pin. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which 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 indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0025] In the description of the patent, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, set, or detachably connected, set, or integrally connected, set.

[0026] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "several" is two or more than two, unless otherwise explicitly specified and limited.

[0027] Embodiment

[0028] Please refer to Figures 1-4 As shown in the drawings, the utility model provides a kind of door structure of motor train skirt, and the technical scheme of motor train skirt 110 is installed for self-locking door assembly, and door assembly includes movable door 120 and sliding piece 130, movable door 120 is slidably connected to motor train skirt 110 by sliding piece 130, movable door 120 both sides are set as the movable door frame 121 of connecting sliding piece 130, movable door 120 is slid inwards by sliding piece 130 to open motor train skirt 110, and reaches the top point to form self-locking, self-locking point is set in the opening position of movable door 120, so that movable door 120 does not need to be locked again, and when closing, movable door 120 is not turned up and falls under the restriction of sliding piece 130 and the gravity of movable door 120 itself, improve the security of use, compared with the cumbersome lock of motor train skirt 110, door assembly makes motor train skirt 110 more convenient and simple to open and close.

[0029] Further, the sliding member 130 comprises a shutter sliding plate 131 and a shutter sliding groove 132, the shutter sliding plate 131 is provided with the shutter sliding groove 132, the shutter sliding plate 131 is provided with a mounting seat 150 for connecting the motor train skirt 110, the shutter sliding plate 131 is provided with a sliding groove backing plate 160, the movable door frame 121 is slidably connected to the shutter sliding groove 132 in the shutter sliding plate 131 through a rotation-stopping bolt 140, the rotation-stopping bolt 140 and the movable door frame 121 are connected and provided with a gasket 170 to improve stability, and are fixed by a nut 180 and an open-end pin 190.

[0030] The working principle of the utility model is as follows:

[0031] In use, the shutter structure of the motor train skirt of the embodiment is installed with a shutter assembly on the motor train skirt 110, the shutter assembly comprises a movable door 120 and a sliding member 130, the sliding member 130 comprises a shutter sliding plate 131 and a shutter sliding groove 132, the movable door 120 slides to the inside according to the shutter sliding groove 132 to open the motor train skirt 110, and then internal maintenance is carried out, the opening position of the movable door 120 is provided with a self-locking point, so that the movable door 120 does not need to be locked separately, and after the maintenance is completed, the movable door 120 is closed, and the movable door 120 will not be turned up under the limitation of the shutter sliding groove 132 and the self-gravity of the movable door 120.

[0032] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A door structure of a train skirt, comprising a train skirt (110), characterized in that: The train skirt (110) is provided with a self-locking shutter assembly, which comprises: a movable door (120); a sliding piece (130), the movable door (120) is provided on the train skirt (110) through the sliding piece (130) for opening and closing the movable door (120).

2. The door structure of a train according to claim 1, wherein: The movable door (120) is provided with a movable door frame (121) on both sides for connecting the sliding piece (130).

3. The door structure of a train according to claim 2, wherein: The sliding piece (130) comprises: a shutter sliding plate (131), the movable door frame (121) is provided on the shutter sliding plate (131) through a rotation-stopping bolt (140); a shutter sliding channel (132), the shutter sliding plate (131) is provided with the shutter sliding channel (132) for the sliding of the movable door (120), and the movable door frame (121) is movably connected to the shutter sliding channel (132) through the rotation-stopping bolt (140).

4. The door structure of a train according to claim 3, wherein: The shutter sliding plate (131) is provided with a mounting seat (150) for connecting the train skirt (110).

5. The door structure of a train according to claim 3, wherein: The shutter sliding plate (131) is provided with a sliding channel backing plate (160).

6. The door structure of a train according to claim 3, wherein: A gasket (170) is arranged at the connection between the rotation-stopping bolt (140) and the movable door frame (121).