Escape door for public area

The sliding and swing-opening combination escape door design solves the problem of slow opening of existing escape doors, realizes the rapid opening of escape passages and space utilization, and improves escape efficiency.

CN223434258UActive Publication Date: 2025-10-14CHINA RAILWAY ENG CONSULTING GRP CO LTD +1
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Patent Information

Application Number
CN202422645273.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-10-14
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

The opening area of ​​existing escape doors is limited by the size of the door frame, resulting in a slow opening process, large space occupation, and affected escape time.

Method used

The design combines sliding and casement doors to achieve maximum opening of the escape route through the combined use of sliding door panels and casement door panels. The sliding plate, connecting groove and pressure rod are used to adjust and rotate the door panels, thereby improving escape efficiency.

Benefits of technology

Under normal circumstances, it opens by sliding. When escaping, the door panel size is changed by sliding and opening horizontally to maximize the opening of the channel and improve escape efficiency and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of escape doors, in particular to an escape door for public areas, which comprises a door frame, the inner side of the door frame is movably connected with a vertical hinged door plate, the inner side of the door frame is slidably connected with a sliding door plate, the surface of the sliding door plate is fixedly connected with a handle, and the inner side of the door frame is movably connected with an abutting wheel. A sliding groove is formed in the surface of the vertical hinged door plate, a connecting groove is formed in the inner wall of the sliding groove, a connecting rod is fixedly connected to the face, close to the vertical hinged door plate, of the sliding door plate, and a rotating wheel is movably connected to the outer surface of the connecting rod. Through the combination of a sliding mode and a side-hung mode, under the normal condition, control over opening and closing of a channel is achieved in a sliding opening mode, when the sliding door is used for escape, the action size of the door plate is changed in the sliding mode, then the escape channel is opened to the maximum extent in the side-hung mode, and therefore the escape channel is opened to the maximum extent. And the escape use efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of escape doors, in particular to an escape door for public areas. Background Art

[0002] Escape doors are essential for building fire safety and are used as quick access doors for emergency escape and fire rescue.

[0003] An escape door is a partition door used as an escape passage in a public area. By using the escape door, the opening and closing of the passage are controlled. When the existing escape door is used, the flow of people in the public area is large, so the required escape door passage size must be large to avoid congestion and stampede accidents. However, most of the existing escape doors are of the casement type, and the opening area is limited by the size of the door frame. When a larger opening passage is required, a door frame of a corresponding size is required. The resulting door panel is large in size, the opening process is slow, and it occupies a large space. During the escape process, a long delay time is added, which affects the escape time. Utility Model Content

[0004] The purpose of the present utility model is to provide an escape door for public areas, so as to solve the problem proposed in the above-mentioned background technology that the opening area is limited by the size of the door frame. When a larger opening channel is required, a door frame of corresponding size is required, and the door panel formed is large in size, the opening process is slow, and it occupies a large space. During the escape process, the delay time is long, which affects the escape time.

[0005] The cam is fixedly provided with a lever, and the lever is hinged on the top of the lever, and the lever is hinged on the top of the lever for locking the lever when the cam is unlocked.

[0006] Preferably, the sliding door panel and the casement door panel are slidably connected, the sliding door panel and the abutting wheel are rotatably connected, and the rotating wheel and the connecting groove are rotatably connected.

[0007] Preferably, the slide plate is slidably connected to the connecting groove through a rotating wheel and a sliding groove, the adjusting block is slidably connected to the fixed groove through a pressure rod, the adjusting block and the movable block have the same shape, and the adjusting block and the movable block are distributed in opposite directions.

[0008] Preferably, the movable block is elastically slidably connected to the fixed slot via a support spring, a through slot is provided between the fixed slot and the regulating slot, and the control plate acts in the regulating slot and the fixed slot via the through slot.

[0009] Preferably, a side of the control plate away from the movable block is fixedly connected with an inclined block, and the inclined block acts on the inside of the regulating groove through the control plate.

[0010] Preferably, a circular groove is provided at the contact position between the door frame and the rotating column, and a groove is provided on the inner side of the circular groove, and the insert block passes through the regulating groove and is plugged into the groove.

[0011] Preferably, the cross section of the plug is T-shaped, a spring is fixedly connected to the surface of the plug, and the spring is in contact with the inner wall of the regulating groove, and the control board passes through the surface of the plug through the control groove.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. Through the combination of sliding and flat opening, under normal use, the opening and closing of the passage can be controlled by sliding. When used for escape, the effective size of the door panel can be changed by sliding, and then the escape passage can be opened to the maximum extent by flat opening, thereby improving the efficiency of escape.

[0014] 2. Through the sliding connection between the slide plate and the connecting groove, the position of the adjusting block in the fixed groove is changed under the abutment and contact between the connecting groove and the pressure rod. Through the abutment and contact between the adjusting block and the movable block, the position of the inclined block on the control panel in the control groove is regulated, the position of the insert block in the regulating groove is changed, and the rotation effect of the rotating column in the circular groove in the door frame is realized, thereby improving its opening space and stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a frontal perspective schematic diagram of the structure of the present utility model;

[0016] Figure 2 This is a three-dimensional schematic diagram of the structure of the door panel of the utility model sliding open;

[0017] Figure 3 This is a schematic diagram of the structure of the door panel of the utility model that opens horizontally;

[0018] Figure 4The utility model discloses a partial three-dimensional section view schematic diagram of the connecting structure of door frame and flat hinged door plate.

[0019] Figure 5 The utility model discloses a partial three-dimensional explosion schematic diagram of the connecting structure of flat hinged door plate and sliding door plate.

[0020] Figure 6 The utility model discloses Figure 4 The utility model discloses an enlarged structure schematic diagram of A place in the middle.

[0021] In the drawing: 1, door frame;2, flat hinged door plate;21, sliding groove;22, connecting groove;3, sliding door plate;31, handle;32, rotating wheel;33, sliding plate;4, abutting wheel;5, rotating column;6, pressing rod;61, adjusting block;7, fixed groove;71, supporting spring;72, movable block;73, control board;8, regulation and control groove;81, plug block;82, control groove. Specific implementation

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the range of the utility model protection.

[0023] Please refer to Figure 1-6 The utility model provides an embodiment:

[0024] An escape door for public areas includes a door frame 1, wherein the inner side of the door frame 1 is movably connected to a casement door panel 2, the inner side of the door frame 1 is slidably connected to a sliding door panel 3, a handle 31 is fixedly connected to the surface of the sliding door panel 3, and a wheel 4 is movably connected to the inner side of the door frame 1. A sliding groove 21 is provided on the surface of the casement door panel 2, and a connecting groove 22 is provided on the inner wall of the sliding groove 21. A connecting rod is fixedly connected to a side of the sliding door panel 3 close to the casement door panel 2, a rotating wheel 32 is movably connected to the outer surface of the connecting rod, and a slide plate 33 is fixedly connected to the end of the connecting rod away from the sliding door panel 3, a pressure rod 6 is movably connected to the inner side of the connecting groove 22, and an adjustment block 61 is fixedly connected to the surface of the pressure rod 6. A fixing groove 7 is provided inside the casement door panel 2, and a support spring 71 is fixedly connected to the inner wall of the fixing groove 7, a movable block 72 is fixedly connected to the surface of the support spring 71, and a control panel 73 is fixedly connected to the surface of the movable block 72. A rotating column 5 is fixedly connected to the surface of the casement door panel 2, and a regulating groove 8 is provided inside the rotating column 5. An insert block 81 is penetrated and connected to the inner side of the regulating groove 8, and a control groove 82 is penetrated and provided on the surface of the insert block 81. Through the connection between the door frame 1 and the casement door panel 2, under the sliding connection between the casement door panel 2 and the sliding door panel 3, the sliding opening of the sliding door panel 3 and the casement opening operation of the casement door panel 2 on the door frame 1 are realized, thereby improving the use range of the escape passage size.

[0025] Furthermore, the sliding door panel 3 and the casement door panel 2 are slidably connected, the sliding door panel 3 and the wheel 4 are abutted and rotatably connected, the rotating wheel 32 and the connecting groove 22 are abutted and rotatably connected, and the sliding connection of the sliding door panel 3 and the casement door panel 2 is used to realize the overlapping operation of the sliding door panel 3 and the casement door panel 2. Under the connection between the handle 31 and the sliding door panel 3, the control operation of the use position of the sliding door panel 3 on the door frame 1 is completed.

[0026] Furthermore, the slide 33 is slidably connected to the connecting groove 22 through the rotating wheel 32 and the slide groove 21, and the adjusting block 61 is slidably connected to the fixed groove 7 through the pressure rod 6. The adjusting block 61 and the movable block 72 have the same shape, and the adjusting block 61 and the movable block 72 are distributed in opposite directions. Through the connection between the connecting rod and the slide 33 on the sliding door panel 3, the position of the slide 33 in the connecting groove 22 is changed under the abutment and rotation of the rotating wheel 32 and the slide groove 21, and the adjustment operation of the position of the adjusting block 61 in the fixed groove 7 is completed through the abutment and contact between the slide 33 and the pressure rod 6.

[0027] Furthermore, the movable block 72 is elastically slidably connected to the fixed slot 7 through the support spring 71, a through slot is opened between the fixed slot 7 and the regulating slot 8, and the control plate 73 acts on the regulating slot 8 and the fixed slot 7 through the through slot. Through the connection between the adjusting block 61 and the movable block 72, under the connection between the movable block 72 and the support spring 71, the elastic sliding effect of the movable block 72 in the fixed slot 7 is realized, and under the connection between the movable block 72 and the control plate 73, the action position of the control plate 73 in the regulating slot 8 is changed.

[0028] Furthermore, a bevel block is fixedly connected to one side of the control board 73 away from the movable block 72, and the bevel block acts on the inside of the regulating slot 8 through the control board 73. Through the action of the bevel block on the control board 73, the regulating operation of the action position of the insert block 81 in the regulating slot 8 is realized.

[0029] Furthermore, a circular groove is provided at the contact position between the door frame 1 and the rotating column 5, and a groove is provided on the inner side of the circular groove. The insert block 81 passes through the regulating groove 8 and the groove and is plugged in and connected. Through the connection between the regulating groove 8 and the insert block 81, and the plug-in connection between the insert block 81 and the groove in the circular groove, the rotation limiting operation of the rotating column 5 in the circular groove of the door frame 1 is completed.

[0030] Furthermore, the cross-section of the plug 81 is T-shaped, and a spring is fixedly connected to the surface of the plug 81, and the spring is in contact with the inner wall of the regulating groove 8. The control plate 73 passes through the surface of the plug 81 through the control groove 82. Under the action of the spring on the plug 81, the elastic sliding effect of the plug 81 in the regulating groove 8 is achieved, and the control groove 82 and the inclined block on the control plate 73 are in contact with each other, so as to achieve the effect of regulating the position of the plug 81 in the regulating groove 8.

[0031] Working principle: When opening the escape passage, the sliding door panel 3 is pulled by the handle 31, so that the sliding door panel 3 slides under the action of the wheel 4. At this time, the sliding door panel 3 and the casement door panel 2 overlap. Under the connection of the slide groove 21 and the connecting groove 22, the connection of the rotating wheel 32 and the slide plate 33 makes the slide plate 33 and the pressure rod 6 abut. At this time, the adjusting block 61 drives the movable block 72 to slide in the fixed groove 7, the inclined block on the control panel 73 contacts the inner wall of the control groove 82, and the insert block 81 is separated from the groove in the circular groove of the door frame 1. At this time, the rotating column 5 can rotate in the inner circular groove of the door frame 1, so that the casement door panel 2 rotates on the door frame 1, achieving the casement use mode and increasing the usable area of ​​the passage opening.

[0032] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. An escape door for public areas, comprising a door frame (1), characterized in that: The inner side of the door frame (1) is movably connected to a casement door panel (2), the inner side of the door frame (1) is slidably connected to a sliding door panel (3), the surface of the sliding door panel (3) is fixedly connected to a handle (31), the inner side of the door frame (1) is movably connected to a wheel (4), the surface of the casement door panel (2) is provided with a slide groove (21), the inner wall of the slide groove (21) is provided with a connecting groove (22), the side of the sliding door panel (3) close to the casement door panel (2) is fixedly connected to a connecting rod, the outer surface of the connecting rod is movably connected to a rotating wheel (32), and the end of the connecting rod away from the sliding door panel (3) is fixedly connected to a slide plate (33), the connecting groove (22 ) is movably connected to the inner side of the door panel (2), the surface of the door panel (2) is fixedly connected to an adjusting block (61), a fixing groove (7) is provided inside the door panel (2), a support spring (71) is fixedly connected to the inner wall of the fixing groove (7), a movable block (72) is fixedly connected to the surface of the support spring (71), a control plate (73) is fixedly connected to the surface of the movable block (72), a rotating column (5) is fixedly connected to the surface of the door panel (2), a regulating groove (8) is provided inside the rotating column (5), an insert block (81) is connected to the inner side of the regulating groove (8), and a control groove (82) is provided on the surface of the insert block (81).

2. The public area escape door according to claim 1, characterized in that: The sliding door panel (3) is slidably connected to the casement door panel (2), the sliding door panel (3) is rotatably connected to the abutting wheel (4), and the rotating wheel (32) is rotatably connected to the connecting groove (22).

3. The public area escape door according to claim 1, characterized in that: The slide plate (33) is slidably connected to the connecting groove (22) via the rotating wheel (32) and the sliding groove (21); the adjusting block (61) is slidably connected to the fixing groove (7) via the pressing rod (6); the adjusting block (61) and the movable block (72) have the same shape, and the adjusting block (61) and the movable block (72) are distributed in opposite directions.

4. The public area escape door according to claim 1, characterized in that: The movable block (72) is elastically slidably connected to the fixed slot (7) via a support spring (71); a through slot is provided between the fixed slot (7) and the regulating slot (8); and the control plate (73) acts on the regulating slot (8) and the fixed slot (7) via the through slot.

5. The escape door for public areas according to claim 1, characterized in that: A side of the control plate (73) away from the movable block (72) is fixedly connected with an inclined block, and the inclined block acts on the inside of the regulating groove (8) through the control plate (73).

6. The public area escape door according to claim 1, characterized in that: A circular groove is provided at the contact position between the door frame (1) and the rotating column (5), and a groove is provided inside the circular groove. The inserting block (81) passes through the regulating groove (8) and is plugged into the groove.

7. The public area escape door according to claim 1, characterized in that: The cross section of the plug (81) is T-shaped. A spring is fixedly connected to the surface of the plug (81), and the spring is in contact with the inner wall of the regulating groove (8). The control plate (73) passes through the surface of the plug (81) through the control groove (82).