A downward sliding panel type emergency evacuation door cover plate structure

By introducing a sliding structure into the flip-down sliding emergency evacuation door, the automatic covering and retraction of the cover plate is achieved, solving the problem of inconvenient cover plate movement in the existing design and improving the safety and operational efficiency of the evacuation door.

CN223590722UActive Publication Date: 2025-11-25XIAN JIAYE AVIATION TECH
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Patent Information

Application Number
CN202423196583.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-11-25
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

The existing flip-down sliding emergency evacuation door cover design is not easy to move, which affects the evacuation speed, and it needs to be manually flipped when opening or closing, which poses a safety hazard.

Method used

A sliding plate-type emergency evacuation door cover structure, including a cover body and a sliding structure, was designed. The cover is automatically covered and retracted by components such as a slide block, rollers, pull ropes and tension springs, ensuring that the cover covers the visual glass window when the evacuation door is open and does not affect the use of the window when closed.

Benefits of technology

It improves the safety and ease of opening or closing evacuation doors, shortens the opening or closing time of evacuation doors, and avoids the inconvenience of manual operation and potential safety risks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The lower-flipping sliding plate type emergency evacuation door cover plate structure can cover the visual glass window when the evacuation door is opened, can conveniently open or close the evacuation door, is favorable for improving the safety, and is favorable for shortening the door closing time.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of the emergency evacuation door of the down -turning sliding plate, concretely, the utility model relates to a down -turning sliding plate type emergency evacuation door cover plate structure. BACKGROUND

[0002] The driver's room of the city subway is equipped with the emergency evacuation door at the front end, generally adopts a down -turning sliding plate type emergency evacuation door, the visual glass window for observation is arranged on the evacuation door panel, the visual glass window can be used to observe the situation in front of the subway when the evacuation door panel is not opened, when the evacuation door panel is opened, the cover plate needs to be used to cover the visual glass window to prevent the personnel from stepping on the glass window during evacuation, influence evacuation, endanger personnel, the cover plate in the prior art generally adopts the flip type design, and it is inconvenient to move the cover plate, and the cover plate also needs to be manually flipped first when opening or closing the evacuation door, thereby influencing the evacuation speed.

[0003] To solve the above problems, the patent document 203198966U discloses a subway locomotive ramp type emergency evacuation door, the door panel body is divided into a light-transmitting part and a closed part, the light-transmitting part is provided with a window; two longitudinal columns of the door page are each fixed with a first stage pedal support, two first stage pedal supports are each hinged with a second stage pedal support, a first stage fixed pedal and a first stage folding pedal are fixed between the two first stage pedal supports, a second stage folding pedal and a second stage fixed pedal are arranged between the second stage pedal supports, the second stage folding pedal and the first stage folding pedal are hinged, when the door page is unfolded, the first stage fixed pedal, the first stage folding pedal, the second stage folding pedal and the second stage fixed pedal are in the same plane, forming a ramp, when the door page is closed, the first stage folding pedal and the second stage folding pedal are clamped between the first stage fixed pedal and the second stage fixed pedal, and all the pedals are folded on the back of the closed part of the door page panel body, but the above problems cannot be solved. UTILITY MODEL CONTENTS

[0004] The utility model discloses in order to solve the above -mentioned problem and carries out, the purpose is in providing a kind of, can cover visual glass window when opening evacuation door, can facilitate opening or closing evacuation door, can improve the security of the down -turning sliding plate type emergency evacuation door cover plate structure, to realize the above-mentioned purpose, the technical scheme that the utility model adopts is as follows:

[0005] The utility model provides a kind of down -turning sliding plate type emergency evacuation door cover plate structure, with such characteristics, including cover plate body and the sliding structure being connected with cover plate body, cover plate body is movably arranged in evacuation door panel.

[0006] In the down -turning sliding plate type emergency evacuation door cover plate structure provided by the utility model, it can also have the following characteristics: a sliding groove is arranged on the evacuation door panel, and the cover plate body is movably arranged in the sliding groove.

[0007] In the emergency evacuation door cover plate structure of the utility model, the sliding structure comprises a sliding seat and a roller arranged on the sliding seat, the sliding seat is arranged on the cover plate body, and the roller is movably arranged in the sliding groove.

[0008] In the emergency evacuation door cover plate structure of the utility model, the sliding structure comprises a sliding seat and a roller arranged on the sliding seat, the sliding seat is arranged on the cover plate body, and the roller is movably arranged in the sliding groove.

[0009] In the emergency evacuation door cover plate structure of the utility model, the sliding structure comprises a sliding seat and a roller arranged on the sliding seat, the sliding seat is arranged on the cover plate body, and the roller is movably arranged in the sliding groove.

[0010] In the emergency evacuation door cover plate structure of the utility model, the sliding structure comprises a sliding seat and a roller arranged on the sliding seat, the sliding seat is arranged on the cover plate body, and the roller is movably arranged in the sliding groove.

[0011] In the emergency evacuation door cover plate structure of the utility model, the sliding structure comprises a sliding seat and a roller arranged on the sliding seat, the sliding seat is arranged on the cover plate body, and the roller is movably arranged in the sliding groove.

[0012] The emergency evacuation door cover plate structure of the utility model comprises a cover plate body and a sliding structure connected with the cover plate body, the cover plate body is movably arranged on the evacuation door panel, a visual glass window is arranged on the evacuation door panel, the sliding structure can drive the cover plate body to cover the visual glass window when the evacuation door is opened, so that the visual glass window is prevented from being stepped on during evacuation, the safety is improved, the sliding structure can also drive the cover plate body to retreat when the evacuation door is closed, the use of the visual glass window is not affected, and the door closing time is shortened.

[0013] Therefore, the emergency evacuation door cover plate structure of the utility model can cover the visual glass window when the evacuation door is opened, can conveniently open or close the evacuation door, improves the safety, and shortens the door closing time. BRIEF DESCRIPTION OF DRAWINGS

[0014] The present specification includes the following drawings, and the shown contents are as follows:

[0015] Figure 1 is a structural schematic view of the emergency evacuation door cover plate structure in the embodiment of the utility model;

[0016] Figure 2 is a structural schematic view of the evacuation door panel in the embodiment of the utility model.

[0017] The figure is marked as: the door plate of the evacuation door 1, the visual glass window 2, the sliding groove 3, the fixed pulley 4, the cover plate body 10, the limiting rod 11, the sliding structure 20, the sliding seat 21, the roller 22, the tension spring 23, the pull rope 30. DETAILED DESCRIPTION

[0018] The specific embodiments of the present application will be further described in detail below with reference to the drawings, and the purpose is to help the technical personnel in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present application, and to help its implementation.

[0019] Figure 1 It is the structure schematic view of the down-flip sliding plate type emergency evacuation door cover plate structure in the embodiment of the present application. Figure 2 It is the structure schematic view of the evacuation door door plate in the embodiment of the present application.

[0020] As shown in Figure 1 and Figure 2 The down-flip sliding plate type emergency evacuation door cover plate structure provided by the present application comprises a cover plate body 10 and a sliding structure 20 connected with the cover plate body 10, the cover plate body 10 is movably arranged on the evacuation door door plate 1, the evacuation door door plate 1 is provided with a visual glass window 2, the sliding structure 20 can drive the cover plate body 10 to cover on the visual glass window 2 when the evacuation door is opened, so as to prevent the visual glass window 2 from being stepped on when the personnel evacuates, which is beneficial to improve the safety, and the sliding structure 20 can also drive the cover plate body 10 to retreat when the evacuation door is closed, which does not affect the use of the visual glass window 2, and is beneficial to shorten the door closing time.

[0021] As shown in Figure 2 The evacuation door door plate 1 is provided with a sliding groove 3, and the two sliding grooves 3 are arranged on the two sides of the visual glass window 2, and the two sides of the cover plate body 10 are movably arranged in the sliding grooves 3, so that the cover plate body 10 is movably arranged on the evacuation door door plate 1.

[0022] The sliding structure 20 comprises a sliding seat 21 and a roller 22 arranged on the sliding seat 21, the sliding seat 21 is uniformly arranged on the cover plate body 10, four sliding seats 21 are arranged in two groups, and the two groups of sliding seats 21 are arranged on the two sides of the cover plate body 10, the roller 22 is rollably arranged in the sliding groove 3, so that the sliding of the cover plate body 10 is more stable and smooth, and it is ensured that the cover plate body 10 can smoothly cover the visual glass window 1.

[0023] The lower-flipping slide plate type emergency evacuation door cover plate structure further comprises a pull rope 30, one end of the pull rope 30 is connected with the sliding seat 21, the other end of the pull rope 30 is connected with the evacuation door door plate 1, when the evacuation door door plate 1 is opened downward, the pull rope 30 can drive the cover plate body 10 to move along the sliding groove 3, after the evacuation door door plate 1 is completely opened, the cover plate body 10 covers the visual glass window 2, so that the visual glass window 2 is prevented from being stepped on during evacuation, and safety is improved.

[0024] The sliding seat 21 is connected with a tension spring 23, one end of the tension spring 23 is connected with the sliding seat 21, and the other end of the tension spring 23 is connected with the evacuation door door body 1, when the evacuation door is opened, the tension spring 23 is in a stretched state, when the evacuation door is closed, the evacuation door door plate 1 is retracted, the tension spring 23 drives the cover plate body 10 to retract, the visual glass window 1 is uncovered, the use of the visual glass window 2 is not affected, and the door closing time is shortened.

[0025] The side of the cover plate body 10 close to the fixed pulley 4 is provided with a limiting rod 11, and the sliding groove 3 is provided with a limiting groove matched with the limiting rod 11, after the evacuation door door plate 1 is completely opened, the limiting rod 11 is clamped in the limiting groove, so that the cover plate body 10 is prevented from shaking or loosening when covering the visual glass window 1, and the reliability of the structure is improved.

[0026] The lower-flipping slide plate type emergency evacuation door cover plate structure can cover the visual glass window 2 when the evacuation door is opened, can conveniently open or close the evacuation door, improves safety, avoids manual shading of the visual glass window 2 when the evacuation door is opened or closed, and shortens the time required for opening or closing the evacuation door.

[0027] Effects of the embodiment

[0028] The lower-flipping sliding plate type emergency evacuation door cover plate structure can cover the visual glass window when the evacuation door is opened, can conveniently open or close the evacuation door, is favorable for improving the safety, and is favorable for shortening the door closing time.

[0029] The utility model is exemplarily described above in combination with the drawings. Obviously, the utility model specific implementation is not limited by the above-mentioned mode. As long as various non-essential improvements are carried out by adopting the method concept and technical scheme of the utility model, or the above-mentioned concept and technical scheme of the utility model are directly applied to other occasions without improvement, all are within the protection scope of the utility model.

Claims

1. A downward-folding sliding plate type emergency evacuation door cover structure, characterized in that, The device includes a cover plate body (10) and a sliding structure (20) connected to the cover plate body (10). The cover plate body (10) is movably mounted on the evacuation door panel (1). The evacuation door panel (1) is provided with a sliding groove (3). The cover plate body (10) is movably mounted in the sliding groove (3). The sliding structure (20) includes a slide seat (21) and a roller (22) mounted on the slide seat (21). The slide seat (21) is mounted on the cover plate body (10). The roller (22) is movably mounted in the sliding groove (3). The device also includes a pull rope (30). One end of the pull rope (30) is connected to the slide seat (21), and the other end of the pull rope (30) is connected to the evacuation door panel (1).

2. The flip-down sliding plate type emergency evacuation door cover structure according to claim 1, characterized in that, The evacuation door panel (1) is provided with a fixed pulley (4), and one end of the pull rope (30) is wound around the fixed pulley (4) and connected to the slide block (21).

3. The downward-folding sliding plate type emergency evacuation door cover structure according to claim 2, characterized in that, The slide (21) is connected to a tension spring (23), one end of which is connected to the slide (21) and the other end of which is connected to the evacuation door body ().

4. The downward-folding sliding plate type emergency evacuation door cover structure according to claim 3, characterized in that, A limiting rod (11) is provided on the side of the cover plate body (10) near the fixed pulley (4), and a limiting groove adapted to the limiting rod (11) is provided in the sliding groove (3).