Lifting type balcony escape device

Abstract

The utility model discloses a lifting type balcony escape device, which relates to the technical field of escape fire-fighting articles, and comprises a mounting frame body, a lifting device and a lifting device, the pulley assembly is mounted on the corresponding side wall of the mounting frame body; the section of the lifting platform is matched with the inner cavity of the mounting frame body, and the lifting platform can be flatly placed in the mounting frame body; the speed limiter is mounted in the mounting frame body, and the lifting platform is in transmission connection with the speed limiter through a lifting inhaul cable; wherein the middle of the lifting inhaul cable is wound on the pulley assembly, and the lifting platform can descend at a constant speed under the limiting effect of the speed limiter. The escape device can be used without climbing or professional training, escape is facilitated, special crowds can use the escape device conveniently, meanwhile, guide rails or stand columns do not need to be arranged, the space below the escape device is not occupied, and it can be guaranteed that daily use of the space below the escape device is not affected.

Description

Technical Field

[0001] This utility model relates to the field of escape and fire-fighting equipment technology, specifically to a lifting balcony escape device. Background Technology

[0002] Nowadays, residential buildings are becoming increasingly tall and overcrowded. When a fire breaks out, people can escape primarily through two methods: safe evacuation and passively waiting for rescue. During a fire, stairwells are often filled with thick smoke, and the fire can obstruct evacuation, making active evacuation impossible, especially for the elderly and children. Tragically, people often cannot escape safely in time. Passive waiting for rescue is limited by conditions such as traffic congestion, blocked fire lanes, and the time required for fire trucks to reach their destinations. Often, the fire department's rescue time exceeds the critical window for firefighting, allowing large amounts of smoke to enter the apartments. Many deaths in high-rise fires are due to the inhalation of deadly toxic fumes. Therefore, time is the most crucial factor in a fire.

[0003] Balcony evacuation ladders refer to a type of safety escape facility added to balconies. They are mainly used in fire self-rescue scenarios. In case of fire or emergency situations where people cannot evacuate through safety exits due to thick smoke, they can open the balcony escape device to go to a relatively safe place on the next floor. This makes up for the lack of single escape methods in the original residential buildings and is suitable for residential communities.

[0004] In existing technologies, evacuation ladders used for balcony escape mostly employ a scissor-link telescopic staircase installed within a vertically opening and closing housing. This allows the staircase to automatically deploy when the housing's top cover is opened. While existing balcony evacuation ladders can quickly deploy, the hinged, folding telescopic staircase has one end fixedly connected to the housing, while the other end is in a free-falling vertical state. This results in poor stability, requires climbing, and is difficult to use without professional training. It also increases the risk of falls and injuries during escape operations, especially when there are elderly people or children present. Utility Model Content

[0005] To address the technical problem of poor stability of existing balcony evacuation ladders after deployment, this utility model provides a lifting balcony escape device. Through the cooperation of a cable pulley mechanism and a speed limiter, the lifting platform descends at a uniform speed with good stability. Users only need to move onto the lifting platform; no climbing or professional training is required for use. This facilitates escape and is convenient for special groups. Furthermore, it eliminates the need for guide rails or columns, does not occupy the space below the escape device, and ensures that the daily use of the space below the escape device is not affected.

[0006] This utility model is achieved through the following technical solution:

[0007] This utility model provides a lifting balcony escape device, comprising: a mounting frame with a cover plate hinged to its upper side; a pulley assembly mounted on the corresponding side wall of the mounting frame; a lifting platform with a cross-section adapted to the inner cavity of the mounting frame and capable of being placed flat within the mounting frame; and a speed limiter mounted within the mounting frame, wherein the lifting platform is connected to the speed limiter via a lifting cable; wherein the lifting cable is wound around the pulley assembly in the middle, and the lifting platform can descend at a uniform speed under the limiting effect of the speed limiter.

[0008] The lifting balcony escape device provided by this utility model includes a mounting frame, a pulley assembly, a lifting platform, and a speed limiter. The mounting frame can be embedded in the floor slab, and a cover plate is hinged to the upper side of the mounting frame to cover the internal cavity of the mounting frame, so that the balcony escape device is integrated with the floor slab when not in use and does not affect the use of the balcony. The pulley assembly is installed on the corresponding side wall of the mounting frame. The cross-section of the lifting platform is adapted to the inner cavity of the mounting frame and is placed flat in the mounting frame when not in use. The speed limiter is installed in the mounting frame, and the lifting platform is connected to the speed limiter through a lifting cable. The middle part of the lifting cable is wound around the pulley assembly.

[0009] Therefore, the lifting balcony escape device provided by this utility model can be embedded and concealed in the balcony floor slab. When needed, the cover is opened, and the device is moved to the lifting platform. The lifting platform is connected to a speed limiter via a lifting cable. Under the weight of the lifting platform and the user, the lifting platform is driven to move downwards, while the speed limiter restricts the downward movement of the lifting platform, ensuring a uniform descent and transferring the person to the next floor for escape. Throughout the escape process, no climbing or professional training is required, facilitating escape and making it convenient for special groups. Furthermore, it eliminates the need for guide rails or columns, does not occupy the space below the escape device, and ensures that the daily use of the space below the escape device is not affected. It has a wide range of applications and minimal impact on the building facade.

[0010] In an optional embodiment of this application, the mounting frame is equipped with an electromagnetic lock, which is used to lock the cover plate onto the mounting frame to prevent accidental opening of the cover plate.

[0011] In an optional embodiment of this application, the electromagnetic lock is demagnetized and opened in the event of a fire, so as to immediately unlock the cover in the event of a fire and shorten the escape time.

[0012] In an optional embodiment of this application, the electromagnetic lock is connected to an alarm component, which can provide alerts and location information in the event of a fire, facilitating personnel to quickly locate the escape device and escape.

[0013] In an optional embodiment of this application, the pulley assembly includes four fixed pulleys, which are installed at the corners of the cavity of the mounting frame that houses the lifting platform; four lifting cables are provided, with the middle of the four lifting cables wound around the corresponding fixed pulleys, and one end of each of the four lifting cables is fixedly connected to the corresponding corner of the lifting platform to ensure the smooth descent of the lifting platform.

[0014] In an optional embodiment of this application, the wheel body of the fixed pulley is a grooved wheel to prevent the lifting cable from slipping off the fixed pulley during movement, thereby ensuring the safety of the lifting platform during descent.

[0015] In an optional embodiment of this application, a connecting spindle is further included. The connecting spindle is installed in the mounting frame and is rotatable along its own axis. A cable reel is fixedly connected to the connecting spindle, and one end of the lifting cable is wound on the cable reel. The connecting spindle is drivenly connected to the speed limiter to facilitate the transmission connection between the lifting platform and the speed limiter.

[0016] In an optional embodiment of this application, two cable reels are provided, which are respectively located at both ends of the connecting main shaft, and the lifting cables located on the same side are wound on the corresponding cable reels to avoid the lifting cables from getting tangled during winding.

[0017] In an optional embodiment of this application, the lifting platform is equipped with a foot switch, which is used to lock the lifting platform onto the mounting frame so as to quickly release the lifting platform.

[0018] In an optional embodiment of this application, the lifting platform is equipped with folding handrails so that personnel can hold onto the lifting platform during descent, ensuring safety during escape.

[0019] Compared with the prior art, this utility model has the following advantages and beneficial effects:

[0020] 1. The lifting balcony escape device provided by this utility model includes a mounting frame, a pulley assembly, a lifting platform, and a speed limiter. The mounting frame can be embedded in the floor slab, and a cover plate is hinged to the upper side of the mounting frame to cover the internal cavity of the mounting frame. The pulley assembly is installed on the corresponding side wall of the mounting frame. The cross-section of the lifting platform is adapted to the inner cavity of the mounting frame and lies flat in the mounting frame when not in use. The speed limiter is installed in the mounting frame, and the lifting platform is connected to the speed limiter via a lifting cable. The middle part of the lifting cable is wound around the pulley assembly. When needed, the cover plate is opened, and the user moves onto the lifting platform. The lifting platform is connected to the speed limiter via the lifting cable. At this time, under the gravity of the lifting platform and the user, the lifting platform is driven to move downward, while the speed limiter restricts the downward movement of the lifting platform, so that the lifting platform descends at a uniform speed, thereby transferring the person to the next floor for escape. No climbing is required, and it can be used without professional training, which is convenient for escape and suitable for special groups.

[0021] 2. The lifting balcony escape device provided by this utility model achieves uniform descent of the lifting platform through the cooperation of the cable pulley mechanism and the speed limiter. It does not require the installation of guide rails or columns, does not occupy the space below the escape device, and can ensure that the daily use of the space below the escape device is not affected. It has a wide range of applications and has little impact on the building facade. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0023] In the attached diagram:

[0024] Figure 1 This is a schematic diagram of the internal structure of the lifting balcony escape device according to an embodiment of the present invention;

[0025] Figure 2 This is a cross-sectional structural diagram of a lifting balcony escape device according to an embodiment of the present invention.

[0026] The attached diagram shows the markings and corresponding component names:

[0027] 1-Cover plate, 2-Mounting frame, 3-Lifting platform, 4-Folding handrail, 5-Foot switch, 6-Fixed pulley, 7-Lifting cable, 8-Roller reel, 9-Speed ​​limiter, 10-Connecting shaft, 11-Connecting main shaft, 21-Electromagnetic lock. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. It should be noted that similar reference numerals and letters in the following drawings indicate similar items. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0029] In the description of the embodiments of this application, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the product of this application is usually placed in when in use, or the orientation or positional relationship that is commonly understood by those skilled in the art. It is only for the convenience of describing this application and simplifying the description, and is not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this application.

[0030] Meanwhile, the terms "set up," "open," "install," "connect," and "connect" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0031] Example

[0032] Combination Figure 1 and Figure 2 This embodiment provides a lifting balcony escape device, including: a mounting frame 2, with a cover plate 1 hinged to the upper side of the mounting frame 2; a pulley assembly, which is installed on the corresponding side wall of the mounting frame 2; a lifting platform 3, the cross-section of which is adapted to the inner cavity of the mounting frame 2 and can be placed flat inside the mounting frame 2; and a speed limiter 9, which is installed inside the mounting frame 2, and the lifting platform 3 is connected to the speed limiter 9 via a lifting cable 7; wherein, the middle part of the lifting cable 7 is wound around the pulley assembly, and under the limiting action of the speed limiter 9, the lifting platform 3 can descend at a uniform speed.

[0033] Specifically, the mounting frame 2 is equipped with an electromagnetic lock 21, which is used to lock the cover plate 1 on the mounting frame 2 to prevent the cover plate 1 from being opened accidentally.

[0034] It is understandable that the electromagnetic lock 21 is demagnetized and opened in the event of a fire, so as to immediately unlock the cover plate 1 in the event of a fire, thereby shortening the escape time.

[0035] In this embodiment, the electromagnetic lock 21 is connected to an alarm component, which can provide alerts and location information in the event of a fire, making it easier for people to quickly find the location of the escape device and escape.

[0036] Specifically, the alarm activation component is connected to the building's low-voltage electrical system. The alarm activation component includes a wireless communication module, such as a Bluetooth or WiFi connection module, which enables communication with user terminal devices. It achieves the effect of being locked under normal conditions and automatically activating and alarming in case of fire, thus fulfilling the fire alarm function and effectively mitigating residents' concerns about theft and privacy.

[0037] In this embodiment, the pulley assembly includes four fixed pulleys 6, which are installed at the corners of the cavity of the mounting frame 2 that houses the lifting platform 3. Four lifting cables 7 are provided, with the middle of each cable wound around a corresponding fixed pulley 6, and one end of each cable fixedly connected to a corner of the lifting platform 3 to ensure the smooth descent of the lifting platform 3.

[0038] It should be understood that the wheel body of the fixed pulley 6 is a grooved wheel to prevent the lifting cable 7 from slipping off the fixed pulley 6 when moving, thus ensuring the safety of the lifting platform 3 during descent.

[0039] Based on this, this embodiment also includes a connecting spindle 11, which is installed inside the mounting frame 2 and is rotatable along its own axis; a cable reel 8 is fixedly connected to the connecting spindle 11, and one end of the lifting cable 7 is wound on the cable reel 8; wherein, the connecting spindle 11 is drivenly connected to the speed limiter 9 to facilitate the transmission connection between the lifting platform 3 and the speed limiter 9.

[0040] It is understood that there are two cable reels 8, which are respectively located at both ends of the connecting main shaft 11, and the lifting cables 7 located on the same side are wound on the corresponding cable reels 8 to avoid the lifting cables 7 from getting tangled when winding.

[0041] Typically, the lifting platform 3 is equipped with a foot switch 5, which is used to lock the lifting platform 3 onto the mounting frame 2 for quick release. The foot switch 5 is a common switching mechanism; it only needs to allow the locking tongue to slide out of the lock hole when the switch is pressed, thus releasing the restriction on the lifting platform 3.

[0042] Meanwhile, the lifting platform 3 is equipped with folding handrails 4 so that personnel can hold onto the lifting platform 3 during descent to ensure safety during escape.

[0043] It should be noted that the speed limiter 9 is used to control the descent speed of the lifting platform 3. It can be a commonly used spring balancer or other speed limiting device. This is prior art and is not the technical solution claimed in this application. Moreover, it does not affect the clarity and completeness of the technical solution of this application, and therefore will not be described in detail in this application. Similarly, the electromagnetic lock 21 and the foot switch 5 are both existing conventional accessories and are not the technical solution claimed in this application. Moreover, they do not affect the clarity and completeness of the technical solution of this application, and therefore will not be described in detail in this application.

[0044] In summary, the lifting balcony escape device provided in this embodiment includes a mounting frame 2, a pulley assembly, a lifting platform 3, and a speed limiter 9. A cover plate 1 is hinged to the upper side of the mounting frame 2. The pulley assembly is installed on the corresponding side wall of the mounting frame 2. The cross-section of the lifting platform 3 is adapted to the inner cavity of the mounting frame 2, and it lies flat inside the mounting frame 2 when not in use. The speed limiter 9 is installed inside the mounting frame 2, and the lifting platform 3 is connected to the speed limiter 9 via a lifting cable 7. The lifting cable 7 is wound around the pulley assembly in the middle. Therefore, the lifting balcony escape device provided in this embodiment can be concealed by being embedded in the balcony floor slab.

[0045] When needed, open the cover 1, move to the lifting platform 3, and step on the foot switch 5. The lifting platform 3 is connected to the speed limiter 9 via the lifting cable 7. At this time, under the gravity of the lifting platform 3 and the user, the lifting platform 3 is driven to move downward, while the speed limiter 9 restricts the downward movement of the lifting platform 3, so that the lifting platform 3 descends at a constant speed, thereby transferring the personnel to the next floor for escape.

[0046] In summary, the lifting balcony escape device provided in this embodiment can be used without climbing or professional training, facilitating escape and making it convenient for special groups. It also does not require guide rails or columns, does not occupy the space below the escape device, and ensures that the daily use of the space below the escape device is not affected. It has a wide range of applications and minimal impact on the building facade.

[0047] In addition, the lifting balcony escape device provided in this embodiment has no guide rails, so it can be flexibly installed in any location, not limited to balconies. It only requires the installation of warning signs and can be used as an accessible escape facility for all people.

[0048] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above description is only a specific embodiment of this utility model and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A lifting balcony escape device, characterized in that, include: Mounting frame (2), the upper side of which is hinged with cover plate (1); A pulley assembly, which is mounted on the side wall corresponding to the mounting frame (2); The lifting platform (3) has a cross section that is adapted to the inner cavity of the mounting frame (2) and can be placed flat inside the mounting frame (2); Speed ​​limiter (9), the speed limiter (9) is installed in the mounting frame (2), and the lifting platform (3) is connected to the speed limiter (9) via lifting cable (7); The lifting cable (7) is wound around the pulley assembly in the middle, and the lifting platform (3) can descend at a constant speed under the limiting effect of the speed limiter (9).

2. The lifting balcony escape device according to claim 1, characterized in that, The mounting frame (2) is equipped with an electromagnetic lock (21) for locking the cover plate (1) onto the mounting frame (2).

3. A lifting balcony escape device according to claim 2, characterized in that, The electromagnetic lock (21) is demagnetized and opened in the event of a fire.

4. A lifting balcony escape device according to claim 2, characterized in that, The electromagnetic lock (21) is connected to an opening alarm component.

5. A lifting balcony escape device according to claim 1, characterized in that, The pulley assembly includes four fixed pulleys (6), which are installed at the corners of the cavity of the mounting frame (2) that houses the lifting platform (3). The lifting cable (7) is provided with four cables. The middle part of the four lifting cables (7) is wound around the corresponding fixed pulley (6), and one end of the four lifting cables (7) is fixedly connected to the corner of the lifting platform (3).

6. A lifting balcony escape device according to claim 5, characterized in that, The wheel body of the fixed pulley (6) is a grooved wheel.

7. A lifting balcony escape device according to claim 5, characterized in that, It also includes a connecting spindle (11), which is installed inside the mounting frame (2) and is capable of rotating along its own axis; A cable reel (8) is fixedly connected to the connecting main shaft (11), and one end of the lifting cable (7) is wound on the cable reel (8); The connecting spindle (11) is connected to the speed limiter (9) in a transmission connection.

8. A lifting balcony escape device according to claim 7, characterized in that, There are two cable reels (8), which are respectively located at both ends of the connecting main shaft (11), and the lifting cables (7) located on the same side are wound on the corresponding cable reels (8).

9. The lifting balcony escape device according to claim 1, characterized in that, The lifting platform (3) is equipped with a foot switch (5), which is used to lock the lifting platform (3) onto the mounting frame (2).

10. A lifting balcony escape device according to any one of claims 1 to 9, characterized in that, The lifting platform (3) is equipped with a folding handrail (4).

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