An elevator car emergency ventilation device

Abstract

The utility model discloses an elevator car emergency ventilation device belongs to elevator technical field, and its technical scheme main points include car structure, the top of car structure is provided with the air intake frame, the front side of air intake frame is provided with standby power supply, the inner wall of air intake frame is inserted with filter agency, the bottom of car structure is hinged with the air outlet mechanism, the inner wall of car structure is hinged with the air outlet frame, has solved the existing elevator car emergency ventilation device when using, mostly inconvenient effective filtration outside air, leads to dust, sundries easy to enter the car, influences air quality and is easy to block the ventilation device, simultaneously, air circulation effect is limited, difficult in the emergency situation fast update car interior air, in addition, the dependence of emergency ventilation device to power supply is high, when the main power supply fails, easy to appear the situation of unable to continue running, inconvenient guarantee the air supply safety of the personnel in the car in the emergency moment.

Description

Technical Field

[0001] This utility model relates to the field of elevator technology, and in particular to an emergency ventilation device for elevator cars. Background Technology

[0002] An elevator car emergency ventilation system is a device that ensures air circulation inside the elevator car when the power is off or the elevator malfunctions. It is usually driven by a backup power source and provides fresh air to passengers through a fan or ventilation system to prevent oxygen deficiency or discomfort caused by prolonged stagnation. This device is an important part of the elevator safety system and is designed to ensure the basic survival conditions of passengers in emergency situations.

[0003] Existing emergency ventilation devices have poor ventilation effects and cannot filter or purify the air, which increases the growth of bacteria in the elevator car;

[0004] An existing patent (publication number: CN212673429U) discloses an emergency ventilation device for elevator cars. Addressing the problem that existing emergency ventilation devices have poor ventilation effects and cannot filter or purify the air, thus increasing bacterial growth in the elevator car, the following solution is proposed: It includes an elevator car, with a first fan and a second fan fixedly installed on both sides of the elevator car. The air outlet pipe of the first fan and the air inlet pipe of the second fan are both fixedly installed inside the elevator car. This utility model has a reasonable structure, is easy to operate, and provides good ventilation effects while filtering and purifying the air, reducing bacterial growth in the elevator car.

[0005] To address the aforementioned issues, existing patents offer solutions. However, most existing elevator car emergency ventilation devices are not effective at filtering outside air, allowing dust and debris to easily enter the car, affecting air quality and clogging the ventilation system. Furthermore, their air circulation is limited, making it difficult to quickly refresh the air inside the car in emergencies. In addition, emergency ventilation devices are highly dependent on power supply; if the main power supply fails, they may cease operation, compromising the safety of air supply for passengers in the car during emergencies.

[0006] Therefore, an emergency ventilation device for elevator cars is proposed. Utility Model Content

[0007] The purpose of this utility model is to provide an emergency ventilation device for elevator cars, which can solve the problems of existing emergency ventilation devices for elevator cars, which are mostly not good at filtering outside air, allowing dust and debris to easily enter the car, affecting air quality and easily clogging the ventilation device. At the same time, the air circulation effect is limited, making it difficult to quickly refresh the air in the car in emergency situations. In addition, the emergency ventilation device is highly dependent on the power supply, and when the main power supply fails, it is easy to stop operating, which makes it difficult to ensure the safety of air supply for people in the car in emergency situations.

[0008] To achieve the above objectives, this utility model provides the following technical solution: an emergency ventilation device for an elevator car, comprising a car structure, an air inlet frame provided on the top of the car structure, a backup power supply provided on the front side of the air inlet frame, a filter mechanism inserted into the inner wall of the air inlet frame, an air outlet mechanism bolted to the bottom of the car structure, an air outlet frame bolted to the inner wall of the car structure, and a dust filter assembly inserted into the inner wall of the air outlet frame;

[0009] The filtration mechanism includes a pull rod, a filter screen, and a movable frame. The surface of the filter screen is fixedly connected to the inner wall of the movable frame, the surface of the movable frame is inserted into the inner wall of the air inlet frame, and the bottom of the pull rod is bolted to the top of the movable frame.

[0010] Preferably, a connecting pipe is fixedly connected to the rear side of the air outlet frame, and a connecting pipe is fixedly connected to the front side of the connecting pipe, with the front side of the connecting pipe being fixedly connected to the rear side of the air outlet mechanism.

[0011] Preferably, the air outlet mechanism includes a fixed frame, a rubber block, and a fan assembly. The side of the rubber block closest to the fan assembly is bolted to the fan assembly, and the side of the rubber block closest to the fixed frame is bolted to the fixed frame. The top of the fixed frame is bolted to the bottom of the car structure, and the front side of the connecting pipe is fixedly connected to the rear side of the fixed frame.

[0012] Preferably, a protective plate is bolted to the front side of the fixing frame, and a protective net is bolted to the inner wall of the protective plate.

[0013] Preferably, a handle assembly is bolted to the front side of the dust filter assembly, and the inner wall of the air outlet frame is provided with a mounting groove for use with the dust filter assembly.

[0014] Preferably, a connecting frame is bolted to the left side of the air inlet frame, and a louvered curtain is provided on the inner wall of the connecting frame.

[0015] Preferably, the inner wall of the air inlet frame is provided with a fan structure, and the inner wall of the air inlet frame is provided with a movable groove for use with the movable frame.

[0016] Preferably, a knob is movably connected to the inner wall of the air inlet frame, and the surface of the knob is threadedly connected to the inner wall of the movable frame.

[0017] Preferably, the inner wall of the air inlet frame has a through hole for use with the knob, and the inner wall of the movable frame has a threaded groove for use with the knob.

[0018] Preferably, a barrier frame is bolted to the bottom of the air inlet frame, and a protective rod is bolted to the inner wall of the barrier frame.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] 1. This application, by setting up a filtration mechanism, can effectively filter the air entering the car structure. The combination of the filter screen and the movable frame is easy to disassemble and clean, and the pull rod is easy to operate. It can intercept external dust, debris and other particulate pollutants, improve the air quality inside the car structure, reduce the risk of blockage inside the air intake frame due to impurities, and ensure the normal operation of the air intake frame.

[0021] 2. This application incorporates an air outlet mechanism. During use, a dust filter assembly is inserted into the inner wall of the air outlet frame to filter out impurities in the discharged air. At the same time, it forms air convection with the top air inlet, promoting air circulation in the car. The backup power supply located at the front of the top air inlet frame can supply power to the emergency ventilation device in case of main power failure, ensuring continuous ventilation function in emergency situations and providing a safe air environment for passengers. Attached Figure Description

[0022] Figure 1 This is an overall structural diagram of the elevator car emergency ventilation device of this utility model;

[0023] Figure 2 This is a structural diagram of the filtration mechanism of this utility model;

[0024] Figure 3 This is a structural diagram of the fan structure of this utility model;

[0025] Figure 4 This is a structural diagram of the air outlet frame of this utility model;

[0026] Figure 5 This is a structural diagram of the dust filter assembly of this utility model;

[0027] Figure 6 This is a structural diagram of the air outlet mechanism of this utility model.

[0028] In the diagram, 1. Car structure; 2. Filtering mechanism; 201. Pull rod; 202. Filter screen; 203. Movable frame; 3. Air outlet mechanism; 301. Fixed frame; 302. Rubber block; 303. Fan assembly; 4. Air inlet frame; 5. Backup power supply; 6. Air outlet frame; 7. Dust filter assembly; 8. Connecting pipe; 9. Connecting pipe; 10. Guard plate; 11. Protective net; 12. Handle assembly; 13. Mounting slot; 14. Connecting frame; 15. Venetian blind; 16. Fan structure; 17. Movable slot; 18. Knob; 19. Through hole; 20. Threaded groove; 21. Barrier frame; 22. Guard rod. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Please see Figure 1-6 The present invention provides the following technical solution:

[0031] An emergency ventilation device for an elevator car includes a car structure 1, an air inlet frame 4 is provided on the top of the car structure 1, a backup power supply 5 is provided on the front side of the air inlet frame 4, a filter mechanism 2 is inserted into the inner wall of the air inlet frame 4, an air outlet mechanism 3 is bolted to the bottom of the car structure 1, an air outlet frame 6 is bolted to the inner wall of the car structure 1, and a dust filter assembly 7 is inserted into the inner wall of the air outlet frame 6.

[0032] The filter mechanism 2 includes a pull rod 201, a filter screen 202, and a movable frame 203. The surface of the filter screen 202 is fixedly connected to the inner wall of the movable frame 203, the surface of the movable frame 203 is inserted into the inner wall of the air inlet frame 4, and the bottom of the pull rod 201 is bolted to the top of the movable frame 203.

[0033] In this embodiment: By setting up a filter mechanism 2, when in use, the air entering the car structure 1 can be effectively filtered by setting up an air intake frame 4 at the top of the car structure 1 and equipping it with the filter mechanism 2. The combination of the filter screen 202 and the movable frame 203 is easy to disassemble and clean, and the pull rod 201 is easy to operate. It can intercept external dust, debris and other particulate pollutants, improve the air quality inside the car structure 1, reduce the risk of blockage inside the air intake frame 4 due to impurities, and ensure the normal operation of the air intake frame 4. By setting up an air outlet mechanism 3, when in use, the dust filter component 7 can be inserted into the inner wall of the air outlet frame 6 to filter and discharge impurities in the air. At the same time, it forms air convection with the top air intake to promote air circulation inside the car structure 1. The backup power supply 5 set on the front side of the top air intake frame 4 can supply power to the emergency ventilation device when the main power fails, ensuring the ventilation function continues in an emergency and providing a safe air environment for passengers.

[0034] Specifically, such as Figure 5 As shown, a connecting pipe 8 is fixedly connected to the rear side of the air outlet frame 6, and a connecting pipe 9 is fixedly connected to the front side of the connecting pipe 8. The front side of the connecting pipe 9 is fixedly connected to the rear side of the air outlet mechanism 3.

[0035] Specifically, such as Figure 6 As shown, the air outlet mechanism 3 includes a fixed frame 301, a rubber block 302 and a fan assembly 303. The side of the rubber block 302 near the fan assembly 303 is bolted to the fan assembly 303, and the side of the rubber block 302 near the fixed frame 301 is bolted to the fixed frame 301. The top of the fixed frame 301 is bolted to the bottom of the car structure 1, and the front side of the connecting pipe 9 is fixedly connected to the rear side of the fixed frame 301.

[0036] Specifically, such as Figure 6 As shown, a protective plate 10 is bolted to the front side of the fixing frame 301, and a protective net 11 is bolted to the inner wall of the protective plate 10.

[0037] In this embodiment: the air outlet frame 6 is connected to the air outlet mechanism 3 through the connecting pipe 8 and the connecting pipe 9 to ensure a smooth exhaust path. The rubber block 302 in the air outlet mechanism 3 connects the fan assembly 303 and the fixed frame 301, which plays a role in shock absorption and noise reduction, reducing the impact of the fan operation on the car structure 1. The guard plate 10 and the protective net 11 on the front side of the fixed frame 301 can prevent foreign objects from entering and damaging the fan assembly 303, ensuring the stable operation of the air outlet mechanism 3, and further promoting air circulation in the car structure 1.

[0038] Specifically, such as Figure 5 As shown, a handle assembly 12 is bolted to the front of the dust filter assembly 7, and an installation groove 13 is provided on the inner wall of the air outlet frame 6 to cooperate with the dust filter assembly 7.

[0039] Specifically, such as Figure 2As shown, a connecting frame 14 is bolted to the left side of the air inlet frame 4, and a louvered curtain 15 is provided on the inner wall of the connecting frame 14.

[0040] In this embodiment: the handle assembly 12 on the front side of the dust filter assembly 7 makes it easy to pull it out of the mounting slot 13 of the air outlet frame 6 for cleaning or replacement, maintaining the filtration effect on the exhaust air. The louvered curtain 15 on the left connecting frame 14 of the air inlet frame 4 can adjust the airflow and direction, and can also block larger debris from entering the air inlet frame 4 to a certain extent, thus optimizing the air intake process.

[0041] Specifically, such as Figure 3 As shown, the inner wall of the air intake frame 4 is provided with a fan structure 16, and the inner wall of the air intake frame 4 is provided with a movable groove 17 that works in conjunction with the movable frame 203.

[0042] Specifically, such as Figure 2 As shown, a knob 18 is movably connected to the inner wall of the air inlet frame 4, and the surface of the knob 18 is threadedly connected to the inner wall of the movable frame 203.

[0043] Specifically, such as Figure 2 As shown, the inner wall of the air inlet frame 4 has a through hole 19 that works with the knob 18, and the inner wall of the movable frame 203 has a threaded groove 20 that works with the knob 18.

[0044] Specifically, such as Figure 3 As shown, a barrier frame 21 is bolted to the bottom of the air inlet frame 4, and a protective rod 22 is bolted to the inner wall of the barrier frame 21.

[0045] In this embodiment: the fan structure 16 inside the air intake frame 4 provides air intake power to ensure that fresh air enters the car structure 1. Then, the knob 18 is rotated on the inner wall of the air intake frame 4 and the movable frame 203 to restrict the position of the movable frame 203 and prevent the movable frame 203 from accidentally falling off during use. The barrier frame 21 and the protective rod 22 at the bottom of the air intake frame 4 can prevent large objects from entering the air intake frame 4 from below, protect the internal components, and improve the safety of the air intake frame 4.

[0046] Working principle: During the use of the car structure 1, the filter mechanism 2 is set up. By setting up the air intake frame 4 at the top of the car structure 1 and equipping it with the filter mechanism 2, the air entering the car structure 1 can be effectively filtered. The combination of filter screen 202 and movable frame 203 is easy to disassemble and clean, and the pull rod 201 is easy to operate. It can intercept external dust, debris and other particulate pollutants, improve the air quality inside the car structure 1, reduce the risk of blockage inside the air intake frame 4 due to impurities, and ensure the normal operation of the air intake frame 4. By setting up the air outlet mechanism 3, the dust filter component 7 is inserted into the inner wall of the air outlet frame 6 to filter and discharge impurities in the air. At the same time, it forms air convection with the top air intake to promote air circulation in the car. The backup power supply 5 set at the front of the top air intake frame 4 can supply power to the emergency ventilation device when the main power fails, ensuring the ventilation function continues in emergencies and providing a safe air environment for passengers.

[0047] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An elevator car emergency ventilation device comprising a car structure (1), characterized by: The top of the car structure (1) is provided with an air inlet frame (4), the front side of the air inlet frame (4) is provided with a backup power supply (5), the inner wall of the air inlet frame (4) is connected with a filter mechanism (2), the bottom of the car structure (1) is connected with an air outlet mechanism (3), the inner wall of the car structure (1) is connected with an air outlet frame (6), and the inner wall of the air outlet frame (6) is connected with a dust filter assembly (7). The filtration mechanism (2) includes a pull rod (201), a filter screen (202) and a movable frame (203). The surface of the filter screen (202) is fixedly connected to the inner wall of the movable frame (203), the surface of the movable frame (203) is inserted into the inner wall of the air inlet frame (4), and the bottom of the pull rod (201) is bolted to the top of the movable frame (203).

2. An emergency ventilation device for an elevator car according to claim 1, characterized in that: The rear side of the air outlet frame (6) is fixedly connected to a connecting pipe (8), and the front side of the connecting pipe (8) is fixedly connected to a connecting pipe (9). The front side of the connecting pipe (9) is fixedly connected to the rear side of the air outlet mechanism (3).

3. An emergency ventilation device for an elevator car according to claim 2, characterized in that: The air outlet mechanism (3) includes a fixed frame (301), a rubber block (302) and a fan assembly (303). The side of the rubber block (302) near the fan assembly (303) is bolted to the fan assembly (303). The side of the rubber block (302) near the fixed frame (301) is bolted to the fixed frame (301). The top of the fixed frame (301) is bolted to the bottom of the car structure (1). The front side of the connecting pipe (9) is fixedly connected to the rear side of the fixed frame (301).

4. An emergency ventilation device for an elevator car according to claim 3, characterized in that: A guard plate (10) is bolted to the front side of the fixing frame (301), and a protective net (11) is bolted to the inner wall of the guard plate (10).

5. An emergency ventilation device for an elevator car according to claim 1, characterized in that: The dust filter assembly (7) is bolted to the front side with a handle assembly (12), and the inner wall of the air outlet frame (6) is provided with an installation groove (13) that is used in conjunction with the dust filter assembly (7).

6. The elevator car emergency ventilation device according to claim 1, characterized in that: A connecting frame (14) is bolted to the left side of the air inlet frame (4), and a louvered curtain (15) is provided on the inner wall of the connecting frame (14).

7. An emergency ventilation device for an elevator car according to claim 1, characterized in that: The inner wall of the air intake frame (4) is provided with a fan structure (16), and the inner wall of the air intake frame (4) is provided with a movable groove (17) that works in conjunction with the movable frame (203).

8. An emergency ventilation device for an elevator car according to claim 1, characterized in that: A knob (18) is movably connected to the inner wall of the air intake frame (4), and the surface of the knob (18) is threadedly connected to the inner wall of the movable frame (203).

9. An emergency ventilation device for an elevator car according to claim 8, characterized in that: The inner wall of the air intake frame (4) is provided with a through hole (19) for use with the knob (18), and the inner wall of the movable frame (203) is provided with a threaded groove (20) for use with the knob (18).

10. An emergency ventilation device for an elevator car according to claim 1, characterized in that: The bottom of the air intake frame (4) is bolted with a barrier frame (21), and the inner wall of the barrier frame (21) is bolted with a protective rod (22).

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