Subway door protection device
By designing the extension and rotation mechanism of the subway door protection device, safety hazards and wheelchair access problems for passengers when getting on and off the vehicle are solved, and safety and convenience are improved.
Patent Information
- Application Number
- CN202422631739.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-10-30
AI Technical Summary
The existing subway door protection device lacks effective protective measures when opening, resulting in safety risks of air stomping and falling items when getting on and off the vehicle, and it is impossible to easily deal with the passing needs of wheelchair passengers.
A subway door protection device is designed, including an extension mechanism and a rotating mechanism. Through the cooperation of gears, threaded rods, threaded sleeves and connecting rods, the sliding plate slides to block the gap between the door and the platform in the mounting frame to prevent air stomping and items from falling, and facilitate wheelchair passengers to get on the vehicle through the oblique support of the flip plate and the telescopic plate.
Effectively prevent safety hazards when passengers get on and off the vehicle, improve the safety of passengers leaving the vehicle, and facilitate the passage of wheelchair passengers, reducing the operating burden of staff.
Smart Images

Figure CN223148440U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of subway door protection, and specifically relates to a subway door protection device. Background Technique
[0002] The subway door protection device is one of the essential devices for subways. In the subway, passengers without seats will lean against the subway door, which is very dangerous when the subway door opens. The existing subway door protection devices have no external protection measures during operation. In view of this, the traditional devices are not perfect and lack facilities for convenient protection.
[0003] When the subway vehicle arrives at the station and the door is opened, a large gap will be formed between the subway exit and the platform. When passengers get on and off the train, accidents are likely to occur, items are likely to fall into the gap, and if the passenger flow is large, there is also a risk of passengers stepping on empty, resulting in sprained ankles. When the existing subway vehicle door is opened, it cannot protect passengers. Therefore, it is necessary to improve a subway door protection device to solve the above problems. Content of the Utility Model
[0004] The purpose of the utility model is to provide a subway door protection device to solve the problems raised in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A subway door protection device, including a carriage, a door is slidably installed on the front of the carriage, a mounting frame is fixedly installed at the bottom of the carriage, an extension mechanism is arranged inside the mounting frame, and a rotating mechanism is arranged inside the mounting frame.
[0006] Preferably, the extension mechanism includes a gear, the gear is rotatably installed inside the mounting frame, a threaded rod is fixedly installed at the bottom of the gear, a threaded sleeve is externally threaded on the threaded rod, a lifting frame is fixedly installed outside the threaded sleeve, a connecting rod is rotatably installed at the top of the lifting frame, and a sliding plate is rotatably installed at the end of the connecting rod away from the lifting frame. A rack is fixedly installed at the bottom of the door, preventing passengers from stepping on empty and having an accident when getting on and off the train, and preventing items from falling into the gap, reducing the occurrence of potential safety hazards and improving the safety of passengers getting off the train.
[0007] Preferably, the gear meshes with the rack, and the sliding plate is slidably installed inside the mounting frame, so that the connecting rod pushes the sliding plate to slide inside the mounting frame.
[0008] Preferably, two sets of the gear, the threaded rod, the threaded sleeve, the connecting rod and the rack are provided and symmetrically distributed about the center line of the front of the mounting frame, so that the sliding plate blocks the gap between the door and the platform.
[0009] Preferably, the rotating mechanism includes a fixed plate fixedly installed on the top of the sliding plate. A turning plate is rotatably installed on the left side of the fixed plate. A spring is fixedly installed inside the turning plate, and one end of the spring away from the turning plate is fixedly installed with a telescopic plate. A cylinder is rotatably installed on the top of the sliding plate, and a sliding seat is rotatably installed at the end of the cylinder away from the sliding plate, facilitating wheelchair passengers to get on the vehicle without the need for staff to lift the wheelchair and place it inside the carriage, thus facilitating the passage of wheelchair passengers.
[0010] Preferably, the telescopic plate is slidably installed inside the turning plate. A chute is opened at the corresponding position of the turning plate and the cylinder, and the sliding seat is slidably installed at the chute position, enabling the telescopic plate and the turning plate to perform an inclined support operation.
[0011] Preferably, two sets of the rotating mechanisms are provided and symmetrically distributed along the center line of the front surface of the mounting frame, facilitating wheelchair passengers to get on the vehicle.
[0012] Compared with the prior art, the present utility model provides a subway door protection device, having the following beneficial effects:
[0013] 1. For this subway door protection device, through the provided extension mechanism, during use, the connecting rod pushes the sliding plate to slide inside the mounting frame, and then the sliding plate is pushed out of the mounting frame, enabling the sliding plate to block the gap between the door and the platform, preventing passengers from accidentally stepping into the void when getting on and off the vehicle, and preventing items from falling into the gap, reducing the occurrence of potential safety hazards and improving the safety of passengers getting off the vehicle.
[0014] 2. For this subway door protection device, through the provided rotating mechanism, during use, the telescopic plate and the turning plate perform an inclined support operation, facilitating wheelchair passengers to get on the vehicle without the need for staff to lift the wheelchair and place it inside the carriage, thus facilitating the passage of wheelchair passengers. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for description in the embodiments. Obviously, the following described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings:
[0016] Figure 1 It is a schematic diagram of the external structure of the present utility model;
[0017] Figure 2 It is a schematic diagram of the external structure of the extension mechanism of the present utility model;
[0018] Figure 3 It is a schematic diagram of the external structure of the extension mechanism of the present utility model;
[0019] Figure 4 This is a schematic cross-sectional structure diagram of the rotating mechanism of the present utility model.
[0020] In the figure: 1, carriage; 2, extension mechanism; 21, gear; 22, threaded rod; 23, threaded sleeve; 24, lifting frame; 25, connecting rod; 26, sliding plate; 27, rack; 3, rotating mechanism; 31, fixing plate; 32, flipping plate; 33, spring; 34, telescopic plate; 35, cylinder; 36, sliding seat; 4, car door; 5, mounting bracket. Specific embodiments
[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0022] In the present utility model, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0023] Embodiment 1:
[0024] Please refer to Figures 1-3 , the present utility model provides a technical solution: a subway car door protection device, including a carriage 1, a car door 4 is slidably installed on the front of the carriage 1, a mounting bracket 5 is fixedly installed at the bottom of the carriage 1, an extension mechanism 2 is arranged inside the mounting bracket 5, and a rotating mechanism 3 is arranged inside the mounting bracket 5.
[0025] Furthermore, the extension mechanism 2 includes a gear 21, the gear 21 is rotatably installed inside the mounting bracket 5, a threaded rod 22 is fixedly installed at the bottom of the gear 21, a threaded sleeve 23 is threadedly installed outside the threaded rod 22, a lifting frame 24 is fixedly installed outside the threaded sleeve 23, a connecting rod 25 is rotatably installed at the top of the lifting frame 24, one end of the connecting rod 25 away from the lifting frame 24 is rotatably installed with a sliding plate 26, and a rack 27 is fixedly installed at the bottom of the car door 4, which can prevent passengers from accidentally stepping into the air when getting on and off the car, and prevent items from falling into the gap, reducing the occurrence of potential safety hazards and improving the safety of passengers getting off the car.
[0026] Further, the gear 21 meshes with the rack 27, and the sliding plate 26 is slidably installed inside the mounting bracket 5, so that the connecting rod 25 pushes the sliding plate 26 to slide inside the mounting bracket 5.
[0027] Further, there are two sets of the gear 21, the threaded rod 22, the threaded sleeve 23, the connecting rod 25 and the rack 27, and they are symmetrically distributed with respect to the center line on the front side of the mounting bracket 5, so that the sliding plate 26 shields the gap between the car door 4 and the platform.
[0028] Embodiment 2:
[0029] Please refer to Figure 4 , and in combination with Embodiment 1, it is further obtained that the rotating mechanism 3 includes a fixing plate 31, the fixing plate 31 is fixedly installed on the top of the sliding plate 26, a turning plate 32 is rotatably installed on the left side of the fixing plate 31, a spring 33 is fixedly installed inside the turning plate 32, and one end of the spring 33 away from the turning plate 32 is fixedly installed with a telescopic plate 34. A cylinder 35 is rotatably installed on the top of the sliding plate 26, and one end of the cylinder 35 away from the sliding plate 26 is rotatably installed with a sliding seat 36, which is convenient for wheelchair passengers to get on the vehicle without the need for staff to lift the wheelchair and place it inside the carriage 1, facilitating the passage of wheelchair passengers.
[0030] Further, the telescopic plate 34 is slidably installed inside the turning plate 32, a chute is provided at the corresponding position of the turning plate 32 and the cylinder 35, and the sliding seat 36 is slidably installed at the chute position, so that the telescopic plate 34 and the turning plate 32 perform an inclined support operation.
[0031] Further, there are two sets of the rotating mechanism 3, and they are symmetrically distributed with respect to the center line on the front side of the mounting bracket 5, which is convenient for wheelchair passengers to get on the vehicle.
[0032] During the actual operation process, when this device is in use, after the subway arrives at the station, the car doors 4 are opened to both sides, the car doors 4 move outward, and when they move to the position of the gear 21, the rack 27 drives the meshing gear 21 to rotate. The rotation of the gear 21 causes the threaded rod 22 to rotate, and the rotation of the threaded rod 22 causes the threaded sleeve 23 to move upward. The upward movement of the threaded sleeve 23 causes the connecting rod 25 to push the sliding plate 26 to slide inside the mounting bracket 5, and then the sliding plate 26 is pushed out of the inside of the mounting bracket 5, so that the sliding plate 26 shields the gap between the car door 4 and the platform, preventing passengers from accidentally stepping on empty when getting on and off the vehicle, and preventing items from falling into the gap, reducing the occurrence of potential safety hazards and improving the safety of passengers getting off the vehicle. The cylinder 35 is started, and the cylinder 35 pushes the turning plate 32, so that the sliding seat 36 slides at the bottom of the turning plate 32, and then the telescopic plate 34 and the turning plate 32 perform an inclined support operation, which is convenient for wheelchair users to get on the vehicle without the need for staff to lift the wheelchair and place it inside the carriage 1, facilitating the passage of wheelchair passengers.
[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.
Claims
1. A subway door protection device, comprising a carriage (1), characterized in that: A door (4) is slidably installed on the front of the carriage (1). An installation frame (5) is fixedly installed at the bottom of the carriage (1). An extension mechanism (2) is arranged inside the installation frame (5), and a rotation mechanism (3) is arranged inside the installation frame (5).
2. The subway door protection device according to claim 1, wherein: The extension mechanism (2) includes a gear (21). The gear (21) is rotatably installed inside the installation frame (5). A threaded rod (22) is fixedly installed at the bottom of the gear (21). A threaded sleeve (23) is threadedly installed on the outside of the threaded rod (22). A lifting frame (24) is fixedly installed on the outside of the threaded sleeve (23). A connecting rod (25) is rotatably installed at the top of the lifting frame (24). One end of the connecting rod (25) away from the lifting frame (24) is rotatably installed with a sliding plate (26). A rack (27) is fixedly installed at the bottom of the door (4).
3. The subway door protection device according to claim 2, characterized in that: The gear (21) meshes with the rack (27), and the sliding plate (26) is slidably installed inside the installation frame (5).
4. The subway door protection device according to claim 2, characterized in that: There are two sets of the gear (21), the threaded rod (22), the threaded sleeve (23), the connecting rod (25) and the rack (27), and they are symmetrically distributed with respect to the center line on the front of the installation frame (5).
5. The subway door protection device according to claim 2, characterized in that: The rotation mechanism (3) includes a fixing plate (31). The fixing plate (31) is fixedly installed at the top of the sliding plate (26). A turning plate (32) is rotatably installed on the left side of the fixing plate (31). A spring (33) is fixedly installed inside the turning plate (32). One end of the spring (33) away from the turning plate (32) is fixedly installed with a telescopic plate (34). A cylinder (35) is rotatably installed at the top of the sliding plate (26). One end of the cylinder (35) away from the sliding plate (26) is rotatably installed with a sliding seat (36).
6. The subway door protection device according to claim 5, characterized in that: The telescopic plate (34) is slidably installed inside the turning plate (32). A chute is formed at the corresponding position of the turning plate (32) and the cylinder (35), and the sliding seat (36) is slidably installed at the chute position.
7. A subway door protection device according to claim 5, characterized in that: There are two sets of the rotation mechanism (3), and they are symmetrically distributed with respect to the center line on the front of the installation frame (5).