A safety window escape mechanism for an elevator car roof

Abstract

The utility model discloses an elevator car roof safety window escape mechanism, including safety window main part, and safety window main part is rotated with car roof panel through hinge and is linked, and the left side wall of safety main part is equipped with the accommodation groove, and the inboard slide connection of accommodation groove has no.

Description

Technical Field

[0001] This utility model relates to the technical field of safety window escape mechanism, specifically an elevator car top safety window escape mechanism. Background Technology

[0002] As an indispensable vertical transportation tool in high-rise buildings, the operational safety of elevators is directly related to the lives of passengers and maintenance personnel. The car top safety window, as one of the key emergency escape routes, is mainly used when the elevator stops at a non-door zone due to a malfunction. It allows maintenance personnel or trapped passengers to open the safety window and use external rescue devices to escape, or for maintenance personnel to enter the car top for troubleshooting and repair work.

[0003] Currently, elevator car top safety windows lack built-in climbing mechanisms. When people need to escape through the safety window, they must rely on external ladders or simple handrails inside the shaft. However, carrying and setting up external tools is time-consuming and can delay the escape opportunity. Climbing by hand or using unstable supports to move upwards is difficult to maintain balance, especially for those with mobility impairments, increasing the risk of falls and significantly increasing the difficulty and safety hazards of escape. Therefore, a new technical solution is proposed to address this issue. Utility Model Content

[0004] The purpose of this utility model is to provide an escape mechanism for the safety window on the top of an elevator car, which solves the problems mentioned in the background art. The current safety window on the top of the elevator car lacks a built-in auxiliary climbing structure, and it takes a long time to carry and set up external tools, which can delay the escape opportunity. Moreover, climbing by hand or moving upward with the help of unstable supports can easily lead to the risk of falling.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an elevator car top safety window escape mechanism, comprising a safety window body, the safety window body being rotatably connected to the car top plate via a hinge, a storage groove being provided on the left side wall of the safety body, a first slide being slidably connected to the inner side of the storage groove, a second slide being slidably connected to the inner side of the first slide, the second slide also being located inside the storage groove, and limiting grooves being provided on the front and rear surfaces of the safety window body near the hinge.

[0006] In this technical solution, when the main body of the safety window is rotated downwards and opened, the No. 1 and No. 2 slide out of the storage slots automatically under the action of gravity, directly serving as temporary ladders to provide stable climbing support for people in the car. There is no need to find or build external auxiliary tools, which significantly reduces the difficulty of upward escape and improves emergency escape efficiency.

[0007] Preferably, the front and rear inner walls of the car top plate are provided with telescopic grooves, the inner side of the telescopic groove is slidably connected with a locking block, the locking block is fixedly connected to the inner wall of the telescopic groove with a spring, and the bottom of the locking block is fixedly connected with a lever.

[0008] Preferably, the bottom of the safety window body is provided with a bottom groove, and a movable cover is movably connected to the opening of the bottom groove by a snap fastener.

[0009] Preferably, a transmission column runs through the center of the main surface of the safety window, the transmission column is rotatably connected to the main body of the safety window, and a gear and a wheel are fixedly connected to the upper and lower ends of the transmission column, respectively, with the wheel located inside the bottom groove.

[0010] Preferably, a retaining strip is fixedly connected to the top of the safety window body on both sides of the gear, and a rack is slidably connected to the inner side of the retaining strip, the rack meshing with the gear.

[0011] Preferably, a limit frame is fixedly connected to the top of the car roof on both the front and rear sides of the safety window body, and the inner height of the limit frame is the same as the height of the rack.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model features a storage groove on the side wall of the safety window body, within which a first and second sliding frame are nested and slidably connected, forming a retractable built-in climbing structure. When the safety window body is rotated downwards to open, the first and second sliding frames automatically slide out of the storage groove under gravity, directly serving as temporary ladders to provide stable climbing support for passengers inside the car. This eliminates the need to find or build external auxiliary tools, significantly reducing the difficulty of upward escape and improving emergency escape efficiency.

[0014] 2. This utility model features limiting grooves on the front and rear surfaces of the safety window body, combined with a locking block and spring structure within the telescopic groove of the car roof. When the safety window body rotates to the open position, the locking block automatically engages with the limiting groove under the spring force, quickly locking the position of the safety window body and preventing it from shaking and affecting climbing safety. When the safety window needs to be closed later, simply push the lever manually to disengage the locking block from the limiting groove and unlock it. The operation is simple and convenient, balancing safety and stability with flexibility of use. Attached Figure Description

[0015] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0016] Figure 1 This is an overall view of the present invention;

[0017] Figure 2This is a cross-sectional schematic diagram of the present invention;

[0018] Figure 3 This is a schematic diagram of the interior of the safety window body of this utility model;

[0019] Figure 4 This is a cross-sectional view of the expansion joint of this utility model.

[0020] In the diagram: 1. Car top plate; 101. Limiting bracket; 2. Safety window body; 201. Bottom groove; 202. Storage groove; 3. Locking strip; 4. Rack; 5. Gear; 6. Transmission column; 601. Rotating wheel; 7. Movable cover; 8. No. 1 slide; 801. No. 2 slide; 9. Limiting groove; 10. Telescopic groove; 11. Locking block; 12. Spring; 121. Pulley. Detailed Implementation

[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the following description will further elaborate on them in conjunction with specific embodiments.

[0022] An elevator car top safety window escape mechanism, see Figures 1 to 4 The system includes a safety window body 2, which is rotatably connected to the car top plate 1 via hinges. A storage groove 202 is located on the left side wall of the safety window body. A first slide 8 is slidably connected to the inner side of the storage groove 202, and a second slide 801 is slidably connected to the inner side of the first slide 8. The second slide 801 is also located inside the storage groove 202. In the non-escaping state, the first slide 8 and the second slide 801 retract and nest within the storage groove 202, avoiding space occupation. When an elevator malfunctions and escaping is required, the safety window body 2 is rotated to open downwards around the hinges. At this time, the first slide 8 and the second slide 801 slide and unfold along the storage groove 202 and the inner side of the first slide 8 under their own weight, forming a stepped climbing structure. No additional ladders are needed; the safety window automatically extends after opening, significantly shortening emergency preparation time. Furthermore, it can be completely retracted when not in use, without affecting the normal operation space of the elevator, balancing practicality and space utilization.

[0023] Specifically, such as Figure 3 and Figure 4As shown, the safety window body 2 has limiting grooves 9 on both the front and rear surfaces near the hinge, and telescopic grooves 10 on both the front and rear inner walls of the car top plate 1. A locking block 11 is slidably connected to the inner side of the telescopic groove 10, and a spring 12 is fixedly connected between the locking block 11 and the inner wall of the telescopic groove 10. A lever 121 is fixedly connected to the bottom of the locking block 11. During the rotation and opening process of the safety window body 2, its surface will press against the locking block 11, causing it to compress the spring 12 and retract into the telescopic groove 10. When the safety window body 2 rotates to the fully open position, the limiting groove 9 and the telescopic groove 10 are precisely aligned, and the spring 12 releases its elastic force to push the locking block 11 out of the telescopic groove 10 and into the limiting groove 9 to lock the safety window body 2. When the safety window needs to be closed, pushing the lever 121 will cause the locking block 11 to compress the spring 12 and disengage from the limiting groove 9, allowing the safety window body 2 to rotate in the opposite direction. The automatic locking function of the locking block 11 and the limiting groove 9 can prevent the climbing safety from being affected by external force shaking after the safety window is opened, and ensure the support stability when personnel are trapped.

[0024] Furthermore, such as Figure 2 As shown, a bottom groove 201 is provided at the bottom of the safety window body 2. A movable cover 7 is movably connected to the opening of the bottom groove 201 by a snap fastener. A transmission column 6 runs through the center of the surface of the safety window body 2. The transmission column 6 is rotatably connected to the safety window body 2. A gear 5 and a rotating wheel 601 are fixedly connected to the upper and lower ends of the transmission column 6, respectively. The rotating wheel 601 is located inside the bottom groove 201.

[0025] In the above technical solution, when not in use, the movable cover 7 closes the bottom groove 201 with a snap-fit ​​mechanism, protecting the internal rotating wheel 601 and transmission column 6 from dust and debris. When the rack 4 needs adjustment, the movable cover 7 is opened, and the rotating wheel 601 inside the bottom groove 201 is rotated. The rotating wheel 601 drives the transmission column 6 to rotate synchronously, thereby driving the top gear 5 to rotate. The rotating wheel 601 is located at the bottom of the safety window body 2, making it convenient for personnel to operate inside the car or on the car roof, reducing the difficulty of transmission adjustment.

[0026] It is worth noting that, such as Figure 1 and Figure 2 As shown, locking strips 3 are fixedly connected to the top of the safety window body 2 on both sides of the gear 5. A rack 4 is slidably connected to the inner side of the locking strip 3, and the rack 4 meshes with the gear 5. Limiting brackets 101 are fixedly connected to the top of the car roof plates 1 on both the front and rear sides of the safety window body 2. The inner height of the limiting bracket 101 is the same as the height of the rack 4. When the gear 5 rotates, the meshing action drives the racks 4 on both sides to slide along the inner side of the locking strip 3, thus extending or retracting the racks 4. When the safety window body 2 is closed, the racks 4 can slide to embed into the inner side of the limiting bracket 101, forming a secondary fixation. The cooperation between the racks 4 and the limiting bracket 101 enhances the sealing and stability of the safety window after it is closed, preventing the safety window from accidentally opening during normal operation.

[0027] In addition, all components designed in this utility model are general standard parts or components known to those skilled in the art. Their structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods. Those skilled in the art can fully implement them, so there is no need to elaborate. The content protected by this utility model does not involve improvements to the internal structure and method.

Claims

1. An elevator car top safety window escape mechanism comprising a safety window body (2), characterized by: The safety window body (2) is rotatably connected to the car top plate (1) via a hinge. The left side wall of the safety window body is provided with a storage groove (202). A first slide (8) is slidably connected to the inner side of the storage groove (202). A second slide (801) is slidably connected to the inner side of the first slide (8). The second slide (801) is also located inside the storage groove (202). The front and rear surfaces of the safety window body (2) near the hinge are provided with limiting grooves (9).

2. The elevator car top safety window escape mechanism of claim 1, wherein: The front and rear inner walls of the car top plate (1) are provided with telescopic grooves (10), and a locking block (11) is slidably connected to the inner side of the telescopic groove (10). A spring (12) is fixedly connected between the locking block (11) and the inner wall of the telescopic groove (10), and a lever (121) is fixedly connected to the bottom of the locking block (11).

3. The elevator car top safety window escape mechanism of claim 1, wherein: The bottom of the safety window body (2) is provided with a bottom groove (201), and a movable cover (7) is movably connected to the opening of the bottom groove (201) by a snap fastener.

4. The elevator car top safety window escape mechanism of claim 1, wherein: A transmission column (6) runs through the center of the surface of the safety window body (2). The transmission column (6) is rotatably connected to the safety window body (2). A gear (5) and a rotating wheel (601) are fixedly connected to the upper and lower ends of the transmission column (6). The rotating wheel (601) is located inside the bottom groove (201).

5. The elevator car top safety window escape mechanism of claim 4, wherein: The top of the safety window body (2) on both sides of the gear (5) is fixedly connected with a locking strip (3), and a rack (4) is slidably connected to the inner side of the locking strip (3), and the rack (4) meshes with the gear (5).

6. The elevator car top safety window escape mechanism of claim 1, wherein: The top of the car roof plate (1) on both the front and rear sides of the safety window body (2) is fixedly connected to a limit frame (101), and the inner height of the limit frame (101) is consistent with the height of the rack (4).

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