Emergency escape door and lift car suitable for elevator

Abstract

The utility model provides an emergency escape door and lift car suitable for elevator, the emergency escape door is installed on the lift car of the elevator with an emergency entrance and exit, the emergency escape door comprises a first door plate, a second door plate, a third door plate and a fourth door plate, the first side of the first door plate is rotatably installed at the emergency entrance and exit of the side wall of the lift car around a first axis; the rotating mechanism is mounted on the side edge, perpendicular to the first axis, of the first door plate so as to allow the first door plate to rotate around the first axis; the second door plate is rotatably mounted on a second side, opposite to the first side, of the first door plate around a second axis parallel to the first axis, so that the second door plate rotates along with the first door plate around the first axis in a first circumferential direction and rotates around the second axis relative to the first door plate in a second circumferential direction opposite to the first circumferential direction; the decorative plate is installed on the surface, located on the inner side of the lift car, of the second door plate; the first door plate and the second door plate are constructed to have a closed state for closing the emergency entrance and exit and an open state for opening the emergency entrance and exit.

Description

Technical Field

[0001] At least one embodiment of the utility model relates to the technical field of elevators, and in particular to an emergency escape door and a car suitable for elevators. Background Art

[0002] Elevators are important means of transportation in high-rise buildings. Elevators are usually used to transport people, goods or equipment vertically between different floors in a building.

[0003] The car is a box-shaped space used by the elevator to carry and transport people and materials. The car body generally includes the car bottom, car wall, car roof, car door and other main parts. The car body is provided with entrances and exits for passengers to enter and exit, and the car door is provided at the entrance and exit. The car wall on both sides of the entrance and exit is provided with emergency entrances and exits, and the emergency entrance and exit is provided with an emergency escape door. Under normal circumstances, the emergency escape door is in a normally closed state. In the case of an elevator failure and trapping passengers in the car, rescuers can open the emergency escape door to rescue the trapped passengers from the emergency entrance and exit.

[0004] like Figure 1 and Figure 2 In the conventional emergency escape door, the door panel 01 is generally rotatably mounted on the side wall of the car 7 through a hinge 02 around a vertical axis. However, the inner wall of the car body and the inner side wall of the emergency escape door are usually paved with decorative panels such as mirrored stainless steel or marble. The decorative panel increases the thickness of the door panel, affecting the normal opening and closing of the emergency escape door. During the rescue process, the decorative panel and the door panel usually need to be removed, affecting the normal use of the emergency escape door. Utility Model Content

[0005] In view of the existing technical problems, the utility model provides an emergency escape door and car suitable for an elevator, which is used to at least partially solve the above technical problems. The first door panel and the second door panel are folded open, and the decorative panel is separated from the second door panel, eliminating the influence of the excessive thickness of the decorative panel on the opening of the emergency entrance and exit, thereby improving the rescue efficiency.

[0006] An embodiment of the utility model provides an emergency escape door suitable for an elevator, which is suitable for being installed on a car of an elevator with an emergency entrance and exit, comprising: a first door panel, a first side of the first door panel being rotatably installed on the emergency entrance and exit of the side wall of the car around a first axis; a rotating mechanism being installed on a side of the first door panel perpendicular to the first axis to allow the first door panel to rotate around the first axis; a second door panel being rotatably installed on a second side of the first door panel opposite to the first side around a second axis parallel to the first axis, so that the second door panel rotates with the first door panel around the first axis in a first circumferential direction, and rotates around the second axis relative to the first door panel in a second circumferential direction opposite to the first circumferential direction; and a decorative panel being installed on the surface of the second door panel located on the inner side of the car; wherein the first door panel and the second door panel are constructed to have a closed state for closing the emergency entrance and exit, and an open state for opening the emergency entrance and exit.

[0007] According to an embodiment of the utility model, a first connecting plate and a second connecting plate are respectively provided at the connection of the inner side walls of the first door panel and the second door panel. The first connecting plate and the second connecting plate are arranged opposite to each other and abut against each other to prevent the first door panel and the second door panel from folding and opening outside the car.

[0008] According to an embodiment of the present invention, a plurality of hinges are provided at the connection between the inner side walls of the first door panel and the second door panel, and the plurality of hinges are evenly spaced apart on the second axis.

[0009] According to an embodiment of the present utility model, the inner side walls of the first door panel and the second door panel are both provided with ribs, and the ribs extend in a direction perpendicular to the second axis.

[0010] According to an embodiment of the utility model, the hinge comprises: a hinge shaft extending in the direction of the second axis; and two hinge plates rotatably mounted on the hinge shaft, and the two hinge plates are respectively mounted on the rib plate on the first door panel and the rib plate on the second door panel.

[0011] According to an embodiment of the utility model, the rotating mechanism includes: a mounting assembly installed on the top and / or bottom of the first door panel and adjacent to the first side of the first door panel; and a rotating shaft installed on the mounting assembly, the rotating shaft extending in the direction of the first axis, and the rotating shaft rotatably mounted on the side wall of the car.

[0012] According to an embodiment of the present invention, a gap is formed between the first side of the first door panel and the side wall of the car to allow the first door panel to rotate around the first axis to the open state.

[0013] According to an embodiment of the utility model, the mounting assembly includes: a mounting plate, a first side of which is mounted on the top and / or bottom of the inner wall of the first door panel, and a second side of the mounting plate is bent toward the middle of the first door panel to form a bent portion; and a mounting rod, which is mounted on the mounting plate and located between the bent portion and the first door panel; wherein both the mounting plate and the mounting rod are provided with mounting holes that allow the installation of a rotating shaft.

[0014] According to an embodiment of the utility model, a bending plate is provided on the first side of the first door panel, the first side of the bending plate is perpendicular to the first door panel, and the second side of the bending plate is bent toward the middle of the first door panel to abut against the outer side of the bent portion of the mounting plate and the end of the mounting rod.

[0015] According to an embodiment of the utility model, it also includes a locking mechanism, which is installed on the car and is constructed to prevent the second door panel from moving relative to the car, so that the second door panel is in the closed state, or allow the second door panel to move relative to the car.

[0016] According to an embodiment of the present invention, the locking mechanism comprises a trigger switch, and the trigger switch is configured to disconnect the circuit of the elevator when the second door panel moves relative to the car to prevent the car from carrying passengers.

[0017] According to an embodiment of the utility model, the locking mechanism also includes a locking assembly, which is installed between the second door panel and the car, and the locking assembly includes: a locking rod, which is installed on the inner side wall of the second door panel; a locking tongue, which is rotatably installed on the inner side wall of the car, and the locking tongue is constructed to have a locked state in which it is engaged with the locking rod to prevent the second door panel from moving, and a released state in which it is separated from the locking rod to allow the second door panel to move; and a driving member, which is installed on the side wall of the car, and the driving member is constructed to allow the locking tongue to be driven outside the car to move between the locked state and the released state.

[0018] An embodiment of the utility model also provides a car including: a car body, provided with an entrance and exit for passengers to enter and exit, and an emergency entrance and exit is provided on the side wall of the car body adjacent to the entrance and exit; the emergency escape door as described above, installed at the emergency entrance and exit of the car body; and an interior trim panel, installed on the inner wall of the car body.

[0019] According to the emergency escape door and car suitable for elevators provided by the utility model, when rescue personnel open the emergency entrance and exit in the elevator shaft to rescue trapped people in the elevator, the rescue personnel push the second door panel, so that the second door panel rotates around the second axis toward a second circumferential direction close to the first door panel and folds, and the first door panel rotates around the first axis toward a first circumferential direction opposite to the second circumferential direction, and the first door panel and the second door panel approach each other and fold to fold into the car. During the folding process, the decorative panel is separated from the second door panel, eliminating the influence of the decorative panel on the opening of the emergency entrance and exit due to excessive thickness, so as to ensure the normal use of the emergency entrance and exit during rescue, making the emergency entrance and exit easy to open or close, and improving the rescue efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic diagram of the background technology;

[0021] Figure 2 is another stereoscopic schematic diagram of the background technology;

[0022] Figure 3 It is a three-dimensional schematic diagram of an emergency escape door according to an embodiment of the utility model;

[0023] Figure 4 is a top view of an emergency escape door according to an embodiment of the utility model, wherein the emergency escape door is in a closed state;

[0024] Figure 5 is a top view of an emergency escape door according to an embodiment of the utility model, wherein the emergency escape door is in an open state;

[0025] Figure 6 is a top view of an emergency escape door according to an embodiment of the utility model, wherein the emergency escape door is in an open state;

[0026] Figure 7 is a top view of an emergency escape door according to an embodiment of the utility model, wherein the emergency escape door is in an open state;

[0027] Figure 8 is a top view of an emergency escape door according to an embodiment of the utility model, wherein the emergency escape door is in an open state;

[0028] Fig. 9 yes Figure 3 The enlarged view of point A in the middle;

[0029] Fig.10 yes Figure 3 A magnified view of point B in the middle; and

[0030] Fig.11 yes Figure 3 Enlarged view of point C in the middle.

[0031] Reference numerals

[0032] 1. The first door panel;

[0033] 11. Bending plate;

[0034] 12. A first connecting plate;

[0035] 2. Second door panel;

[0036] 21. Second connecting plate;

[0037] 3. Rotation mechanism;

[0038] 31. Install components;

[0039] 311, mounting plate;

[0040] 3111, bending part;

[0041] 312, installation rod;

[0042] 32. Rotation axis;

[0043] 4. Ribs;

[0044] 5. Articulated parts;

[0045] 51. Articulated shaft;

[0046] 52. Hinge board;

[0047] 6. Locking mechanism;

[0048] 61. A first locking assembly;

[0049] 62. Second locking assembly;

[0050] 621, locking rod;

[0051] 622, lock tongue;

[0052] 623, driving member;

[0053] 7. Car;

[0054] 71. compartment;

[0055] 72. Emergency entrances and exits;

[0056] 8. Decorative panels. DETAILED DESCRIPTION

[0057] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0058] However, it should be understood that these descriptions are exemplary only and are not intended to limit the scope of the present application. In the following detailed description, for ease of explanation, many specific details are set forth to provide a comprehensive understanding of the embodiments of the present application. However, it is apparent that one or more embodiments may also be implemented without these specific details. In addition, in the following description, the description of the known technology is omitted to avoid unnecessary confusion of the concept of the present application.

[0059] The terms used herein are only for describing specific embodiments and are not intended to limit the present application. The term "comprising" used herein indicates the existence of features, steps, operations, but does not exclude the existence or addition of one or more other features.

[0060] In the case of using expressions such as "at least one of A, B, and C, etc.", it should generally be interpreted in accordance with the meaning of the expression generally understood by those skilled in the art (for example, "a system having at least one of A, B, and C" should include but is not limited to a system having A alone, B alone, C alone, A and B, A and C, B and C, and / or A, B, C, etc.). In the case of using expressions such as "at least one of A, B, or C, etc.", it should generally be interpreted in accordance with the meaning of the expression generally understood by those skilled in the art (for example, "a system having at least one of A, B, or C" should include but is not limited to a system having A alone, B alone, C alone, A and B, A and C, B and C, and / or A, B, C, etc.).

[0061] All terms (including technical and scientific terms) used herein have the meanings commonly understood by those skilled in the art unless otherwise defined. It should be noted that the terms used herein should be interpreted as having a meaning consistent with the context of this specification and should not be interpreted in an idealized or overly rigid manner.

[0062] The present invention is disclosed herein in its structural embodiments and method descriptions. It should be understood that this is not intended to limit the present invention to the specific disclosed embodiments, and the present invention can be implemented by using other features, elements, methods and embodiments. Similar elements in different embodiments are usually marked with similar numbers.

[0063] The elevator car is a box-shaped space used by the elevator to carry and transport people and materials. The body of the car generally includes the car bottom, car wall, car roof, car door and other main parts. The emergency escape door is set on the elevator car with emergency entrance and exit. Under normal circumstances, the emergency escape door is in a normally closed state. In the event of an elevator failure and passengers are trapped in the car, rescuers can open the emergency escape door to rescue the trapped passengers from the emergency entrance and exit.

[0064] Figure 1 It is a three-dimensional schematic diagram of the background technology. Figure 2 It is another stereoscopic schematic diagram of the background technology.

[0065] like Figure 1 and Figure 2 As shown, the existing emergency escape door is generally a door panel 01 rotatably mounted on the side wall of the car 7 around a vertical axis through a hinge 02. Due to the inner side wall of the door panel 02.

[0066] Figure 3 It is a three-dimensional schematic diagram of an emergency escape door according to an embodiment of the utility model. Figure 4 It is a top view of the emergency escape door according to an embodiment of the utility model, wherein the emergency escape door is in a closed state. Figure 5 It is a top view of the emergency escape door according to an embodiment of the utility model, wherein the emergency escape door is in an open state.

[0067] The embodiment of the utility model provides an emergency escape door suitable for an elevator, such as Figure 3 , Figure 4 and Figure 5 As shown, it is suitable for installation on the elevator car 7 with an emergency entrance 72, and includes a first door panel 1, a rotating mechanism 3, a second door panel 2 and a decorative panel 8. The first side of the first door panel 1 is rotatably installed on the emergency entrance 72 of the side wall of the car 7 around a first axis; the rotating mechanism 3 is installed on the side of the first door panel 1 perpendicular to the first axis to allow the first door panel 1 to rotate around the first axis; the second door panel 2 is rotatably installed on the second side of the first door panel 1 opposite to the first side around a second axis parallel to the first axis, so that the second door panel 2 rotates with the first door panel 1 around the first axis in the first circumferential direction, and rotates relative to the first door panel 1 around the second axis in the second circumferential direction opposite to the first circumferential direction, and the decorative panel 8 is installed on the surface of the second door panel 2 located on the inner side of the car 7. Among them, the first door panel 1 and the second door panel 2 are constructed to have a closed state of closing the emergency entrance 72, and an open state of opening the emergency entrance 72.

[0068] In an exemplary embodiment, Figure 3 and Figure 4 As shown, the car 7 is located in the elevator shaft, the car 7 is vertically arranged, the first door panel 1 and the second door panel 2 are both rectangular plate structures, and the first side of the first door panel 1 extending in the vertical direction is rotatably mounted on the side wall of the car 7 around a first axis extending in the vertical direction. The side of the second door panel 2 extending in the vertical direction is rotatably mounted on the second side of the first door panel 1 opposite to the first side around a second axis extending in the vertical direction. The decorative panel 8 is a stainless steel plate or a marble plate, etc., which is used to decorate the inner wall of the car 7, and is not limited here. Figure 5As shown, the decorative panel 8 is installed on the surface of the second door panel 2 located on the inner side of the car 7 , and the decorative panel 8 is configured to cover the first door panel 1 and the second door panel 2 , and the decorative panel 8 is separated from the inner wall of the first door panel 1 .

[0069] According to the embodiment of the utility model, when the elevator breaks down and passengers are trapped in the car 7, the rescuer pushes the second door panel 2 in the elevator shaft, so that the second door panel 2 rotates around the second axis in the second circumferential direction, so that the second door panel 2 rotates toward the direction close to the first door panel 1 and folds into the car 7. At this time, the decorative panel 8 is separated from the inner side wall of the first door panel 1, so that the first door panel 1 rotates around the first axis in the first circumferential direction opposite to the second circumferential direction, thereby opening the emergency entrance 72. Since the first door panel 1 and the second door panel 2 are folded with each other, the influence of the excessive thickness of the decorative panel 8 on the opening of the emergency entrance 72 is eliminated, so as to ensure the normal use of the emergency entrance 72 during rescue, so that the emergency entrance 72 is convenient to open or close, and the rescue efficiency is improved.

[0070] Figure 6 It is a top view of the emergency escape door according to an embodiment of the utility model, wherein the emergency escape door is in an open state. Figure 7 It is a top view of the emergency escape door according to an embodiment of the utility model, wherein the emergency escape door is in an open state. Figure 8 It is a top view of the emergency escape door according to an embodiment of the utility model, wherein the emergency escape door is in an open state.

[0071] In an exemplary embodiment, Figure 3 As shown, a plurality of hinges 5 are provided at the connection between the inner side walls of the first door panel 1 and the second door panel 2. The plurality of hinges 5 are evenly spaced on the second axis so that the first door panel 1 and the second door panel 2 can rotate relative to each other around the second axis in the vertical direction. Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the first door panel 1 and the second door panel 2 move from a closed state for closing the emergency entrance 72 to an open state for opening the emergency entrance 72 .

[0072] Fig. 9 yes Figure 3 Enlarged view of point A in the middle.

[0073] In an exemplary embodiment, Fig. 9As shown, the first connecting plate 12 and the second connecting plate 21 are respectively provided at the connection of the inner side walls of the first door panel 1 and the second door panel 2, and the first connecting plate 12 and the second connecting plate 21 are both parallel to the second axis. The first connecting plate 12 and the second connecting plate 21 are respectively perpendicular to the first door panel 1 and the second door panel 2, so that the first connecting plate 12 and the second connecting plate 21 are arranged opposite to each other and abut against each other to prevent the first door panel 1 and the second door panel 2 from folding and opening outside the car 7.

[0074] According to the embodiment of the utility model, the rescue personnel push the second door panel 2, and the second door panel 2 rotates around the second axis relative to the first door panel 1. Since the first connecting plate 12 and the second connecting plate 21 are arranged relatively to each other and abut against each other, the first door panel 1 and the second door panel 2 are prevented from folding and opening outside the car 7, thereby reducing the degree of damage to the decorative panel 8 caused by external force.

[0075] In an exemplary embodiment, Fig. 9 As shown, the inner side walls of the first door panel 1 and the second door panel 2 are both provided with ribs 4, and the ribs 4 are provided in plurality, and the plurality of ribs 4 extend in a direction perpendicular to the second axis. Fig. 9 The rib plate 4 extends in the transverse direction of the first door panel 1 and the second door panel 2 at positions opposite to the plurality of hinges 5 by means of bolts or welding.

[0076] Specifically, Fig. 9 As shown, each hinge 5 includes a hinge shaft 51 and two hinge plates 52. The hinge shaft 51 extends in the direction of the second axis. The two hinge plates 52 are rotatably mounted on the hinge shaft 51, and the two hinge plates 52 are respectively located on both sides of the hinge shaft 51. The two hinge plates 52 are respectively mounted on the rib plate 4 on the first door panel 1 and the rib plate 4 on the second door panel 2. The rib plate 4 enhances the connection strength between the hinge plate 52 and the first door panel 1 and the second door panel 2.

[0077] Fig.10 yes Figure 3 Enlarged view of point B in the middle.

[0078] In an exemplary embodiment, Figure 3 and Fig.10 As shown, the rotating mechanism 3 includes a mounting assembly 31 and a rotating shaft 32. The mounting assembly 31 is mounted on the top and / or bottom of the first door panel 1 and is adjacent to the first side of the first door panel 1. In this embodiment, two mounting assemblies 31 are provided, and the two mounting assemblies 31 are respectively located at the top and bottom of the first side of the first door panel 1. The rotating shaft 32 is mounted on the mounting assembly 31, and the rotating shaft 32 extends in the direction of the first axis. The rotating shaft 32 is rotatably mounted on the side wall of the car 7, so that there is a gap between the first side of the first door panel 1 and the side wall of the car 7, so as to allow the first door panel 1 to rotate around the first axis to an open state.

[0079] According to an embodiment of the utility model, the first door panel 1 is pushed, and the first door panel 1 rotates around the rotation axis 32 extending in the vertical direction. The rotation axis 32 is located at the top and bottom of the first side of the first door panel 1, so that there is a gap between the first side of the first door panel 1 and the side wall of the car 7 to allow the first door panel 1 to rotate around the first axis to an open state, such as Figures 4 to 7 As shown, the first door panel 1 and the second door panel 2 in the folded state are rotated to a state perpendicular to the side wall of the car 7. Since there is a gap between the first door panel 1 and the side wall of the car 7, the first door panel 1 is rotated toward the side wall of the car 7, and the angle between the first door panel 1 and the side wall of the car 7 can be greater than 90 degrees. For example, the angle between the first door panel 1 and the side wall of the car 7 can be 100 degrees, 120 degrees, 140 degrees, etc. Figure 8 As shown, the maximum angle between the first door panel 1 and the side wall of the car 7 is 140 degrees, which is not limited here, so as to maximize the opening of the emergency entrance 72, making it easier for trapped persons to escape from the trapped elevator car 7 through the emergency entrance 72.

[0080] In an exemplary embodiment, Figure 3 and Fig.10 As shown, the mounting assembly 31 includes a mounting plate 311 and a mounting rod 312. The first side of the mounting plate 311 is mounted on the top and / or bottom of the inner wall of the first door panel 1 by welding or bolts, the mounting plate 311 extends in the transverse direction, the first side of the mounting plate 311 is perpendicular to the first door panel 1, the second side of the mounting plate 311 is bent toward the middle of the first door panel 1 to form a bent portion 3111, the second side of the mounting plate 311 is parallel to the first door panel 1, the longitudinal section of the mounting plate 311 is L-shaped, and the second side of the mounting plate 311 may also intersect with the first door panel 1, which is not limited here. The mounting rod 312 is mounted on the mounting plate 311, the mounting rod 312 extends in the transverse direction, and the mounting rod 312 is located between the bent portion 3111 and the first door panel 1. Wherein, both the mounting plate 311 and the mounting rod 312 are provided with mounting holes that allow the rotating shaft 32 to be installed.

[0081] According to the embodiment of the utility model, the mounting rod 312 is located between the second side of the mounting plate 311 and the first door panel 1, and the rotating shaft 32 passes through the mounting holes of the mounting plate 311 and the mounting rod 312 in sequence, completing the installation of the first door panel 1 on the elevator car 7. The mounting plate 311 limits the mounting rod 312, which reduces the degree of movement of the mounting rod 312 relative to the mounting plate 311, and improves the stability of the installation of the mounting rod 312 and the rotating shaft 32.

[0082] In an exemplary embodiment, Figure 3 and Fig.10As shown, a bending plate 11 is provided on the first side of the first door panel 1, and the bending plate 11 extends in the vertical direction. The first side of the bending plate 11 is perpendicular to the first door panel 1, and the second side of the bending plate 11 is bent toward the middle of the first door panel 1 to abut against the outer side of the bending portion 3111 of the mounting plate 311 and the end of the mounting rod 312. The bending plate 11 further limits the mounting rod 312, reducing the degree of movement of the mounting rod 312 and the rotating shaft 32 relative to the mounting plate 311 in the lateral direction. The connection between the first side and the second side of the bending plate 11 is rounded, so that the first door panel 1 and the bending plate 11 do not interfere with the side wall of the car 7, allowing the first door panel 1 to rotate normally around the rotating shaft 32.

[0083] In an exemplary embodiment, Figure 3 As shown, the emergency escape door further includes a locking mechanism 6 , which is mounted on the car 7 and is configured to prevent the second door panel 2 from moving relative to the car 7 , to keep the second door panel 2 in a closed state, or to allow the second door panel 2 to move relative to the car 7 .

[0084] In an exemplary embodiment, Figure 3 As shown, the locking mechanism 6 can be installed at the position where the car 7 is located at the top, bottom or side of the second door panel 2. Generally, the locking mechanism 6 is installed at the position where the car 7 is located at the top or side of the second door panel 2, which is not limited here. The locking mechanism 6 includes a trigger switch 61, which is configured to disconnect the circuit of the elevator when the second door panel 2 is allowed to move relative to the car 7, so as to prevent the car 7 from carrying passengers.

[0085] According to an embodiment of the utility model, when rescuing trapped passengers in a faulty elevator, the trigger switch 61 cancels the restriction on the second door panel 2 and allows the second door panel 2 to move relative to the car 7. At the same time, the trigger switch 61 disconnects the elevator circuit, preventing the car 7 from being triggered and running again due to a fault, causing harm to the rescue personnel.

[0086] Fig.11 yes Figure 3 Enlarged view of point C in the middle.

[0087] In an exemplary embodiment, Figure 3 and Fig.11As shown, the locking mechanism 6 also includes a locking assembly 62, which is installed between the second door panel 2 and the car 7, and the locking assembly 62 is installed in the middle of the second door panel 2, so that the rescue personnel can operate the locking assembly 62. The locking assembly 62 includes a locking rod 621, a locking tongue 622 and a driving member 623. The locking rod 621 is installed on the inner side wall of the second door panel 2, and the locking rod 621 is perpendicular to the second door panel 2. The end of the locking rod 621 is provided with a clamp. The locking tongue 622 is rotatably installed on the inner side wall of the car 7 around an axis perpendicular to the side wall of the car 7. The locking tongue 622 is configured to have a locking state in which the locking tongue 622 is clamped with the clamp of the locking rod 621 to prevent the second door panel 2 from moving, and a release state in which the locking tongue 622 is separated from the clamp of the locking rod 621 to allow the second door panel 2 to move. The driving member 623 is installed on the side wall of the car 7, and the driving member 623 is configured to allow the locking tongue 622 to be driven outside the car 7 to move between the locking state and the release state. The driving member 623 is a lock core that can be driven by a key.

[0088] According to the embodiment of the utility model, during rescue, the rescuer uses the key to make the driving member 623 drive the lock tongue 622 to rotate, so that the lock tongue 622 is separated from the locking member of the lock rod 621 to allow the second door panel 2 to move, thereby opening the emergency entrance 72. The locking assembly 62 further controls the second door panel 2 through a mechanical structure to prevent the trigger switch 61 from failing and causing the second door panel 2 to lose control, thereby improving the safety of the emergency escape door.

[0089] The embodiment of the utility model further provides a car 7, such as Figure 3 and Figure 5 As shown, it includes a car body 71, an emergency escape door and an interior trim panel. The car body 71 is provided with an entrance and exit for passengers to enter and exit, and an emergency entrance and exit 72 is provided on the side wall of the car body 71 adjacent to the entrance and exit. The emergency escape door as described above is installed at the emergency entrance and exit 72 of the car body 71. The interior trim panel (not shown in the figure) is installed on the inner wall of the car body 71, and the interior trim panel is the same as the decorative panel 8 of the emergency escape door. The interior trim panel and the decorative panel 8 cover the inner wall of the car 7 to decorate the car 7 and improve the passenger experience.

[0090] According to the emergency escape door and car 7 suitable for elevators provided in this embodiment, when rescue personnel open the emergency entrance 72 in the elevator shaft to rescue trapped people in the elevator, the rescue personnel push the second door panel 2, so that the second door panel 2 rotates and folds around the second axis toward the second circumferential direction close to the first door panel 1, and the first door panel 1 rotates around the first axis toward the first circumferential direction opposite to the second circumferential direction, and the first door panel 1 and the second door panel 2 approach each other and fold to fold into the car 7. During the folding process, the decorative panel 8 is separated from the second door panel 2, eliminating the influence of the excessive thickness of the decorative panel 8 on the opening of the emergency entrance 72, so as to ensure the normal use of the emergency entrance 72 during rescue, so that the emergency entrance 72 is convenient to open or close, thereby improving the rescue efficiency.

[0091] The above specific embodiments further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above are only specific embodiments of the utility model and are not used to limit the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An emergency escape door suitable for an elevator, characterized in that: The invention is suitable for installation on a car (7) of an elevator having an emergency entrance and exit (72), comprising: A first door panel (1), a first side of the first door panel (1) being rotatably mounted around a first axis at an emergency entrance (72) of a side wall of the car (7); A rotating mechanism (3) is mounted on a side of the first door panel (1) perpendicular to the first axis to allow the first door panel (1) to rotate around the first axis; a second door panel (2) rotatably mounted on a second side of the first door panel (1) opposite to the first side around a second axis parallel to the first axis, so that the second door panel (2) rotates with the first door panel (1) around the first axis in a first circumferential direction and rotates around the second axis relative to the first door panel (1) in a second circumferential direction opposite to the first circumferential direction; and A decorative panel (8) mounted on the surface of the second door panel (2) located on the inner side of the car (7); The first door panel (1) and the second door panel (2) are constructed to have a closed state for sealing the emergency entrance (72) and an open state for opening the emergency entrance (72).

2. The emergency escape door according to claim 1, characterized in that: A first connecting plate (12) and a second connecting plate (21) are respectively arranged at the connection points of the inner side walls of the first door panel (1) and the second door panel (2); the first connecting plate (12) and the second connecting plate (21) are arranged opposite to each other and abut against each other to prevent the first door panel (1) and the second door panel (2) from folding and opening outside the car (7).

3. The emergency escape door according to claim 1, characterized in that: A plurality of hinges (5) are provided at the connection between the inner side walls of the first door panel (1) and the second door panel (2), and the plurality of hinges (5) are evenly spaced and distributed on the second axis.

4. The emergency escape door according to claim 3, characterized in that: The inner side walls of the first door panel (1) and the second door panel (2) are both provided with ribs (4), and the ribs (4) extend in a direction perpendicular to the second axis.

5. The emergency escape door according to claim 4, characterized in that: The hinge (5) comprises: an articulation axis (51) extending in the direction of the second axis; and Two hinge plates (52) are rotatably mounted on the hinge shaft (51), and the two hinge plates (52) are respectively mounted on the rib plate (4) on the first door plate (1) and the rib plate (4) on the second door plate (2).

6. The emergency escape door according to any one of claims 1 to 5, characterized in that: The rotating mechanism (3) comprises: A mounting assembly (31) mounted on the top and / or bottom of the first door panel (1) and adjacent to the first side of the first door panel (1); and A rotating shaft (32) is mounted on the mounting assembly (31); the rotating shaft (32) extends in the direction of the first axis; and the rotating shaft (32) is rotatably mounted on the side wall of the car (7).

7. The emergency escape door according to any one of claims 1 to 5, characterized in that: A gap is formed between the first side of the first door panel (1) and the side wall of the car (7) to allow the first door panel (1) to rotate around the first axis to the open state.

8. The emergency escape door according to claim 6, characterized in that: The installation assembly (31) comprises: a mounting plate (311), a first side of the mounting plate (311) being mounted on the top and / or bottom of the inner side wall of the first door panel (1), and a second side of the mounting plate (311) being bent toward the middle of the first door panel (1) to form a bent portion (3111); and A mounting rod (312) mounted on the mounting plate (311) and located between the bent portion (3111) and the first door panel (1); Wherein, both the mounting plate (311) and the mounting rod (312) are provided with mounting holes that allow the rotating shaft (32) to be installed.

9. The emergency escape door according to claim 8, characterized in that: A bending plate (11) is provided on the first side of the first door panel (1), the first side of the bending plate (11) is perpendicular to the first door panel (1), and the second side of the bending plate (11) is bent toward the middle of the first door panel (1) to abut against the outer side of the bent portion (3111) of the mounting plate (311) and the end of the mounting rod (312).

10. The emergency escape door according to any one of claims 1 to 5, characterized in that: The invention also comprises a locking mechanism (6), which is installed on the car (7) and is configured to prevent the second door panel (2) from moving relative to the car (7), so that the second door panel (2) is in the closed state, or to allow the second door panel (2) to move relative to the car (7).

11. The emergency escape door according to claim 10, characterized in that: The locking mechanism (6) comprises a trigger switch (61) which is configured to disconnect the circuit of the elevator when the second door panel (2) moves relative to the car (7) to prevent the car (7) from carrying passengers.

12. The emergency escape door according to claim 10, characterized in that: The locking mechanism (6) further comprises a locking assembly (62), wherein the locking assembly (62) is installed between the second door panel (2) and the car (7), and the locking assembly (62) comprises: A locking rod (621) mounted on the inner side wall of the second door panel (2); a lock tongue (622) rotatably mounted on the inner side wall of the car (7), the lock tongue (622) being configured to have a locked state in which it is engaged with the lock rod (621) to prevent the second door panel (2) from moving, and a released state in which it is separated from the lock rod (621) to allow the second door panel (2) to move; and A driving member (623) is installed on the side wall of the car (7), and the driving member (623) is configured to allow the locking tongue (622) to be driven outside the car (7) to move between the locking state and the releasing state.

13. A car, characterized in that: include: The compartment (71) is provided with an entrance and exit for passengers to enter and exit, and an emergency entrance and exit (72) is provided on a side wall of the compartment (71) adjacent to the entrance and exit; The emergency escape door according to any one of claims 1 to 11, installed at the emergency entrance (72) of the compartment (71); and An interior trim panel is mounted on the inner wall of the compartment (71).

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