Shielding door of subway platform

Abstract

The invention provides a subway platform shielding door which comprises two fixed doors, a sliding door and a driving mechanism, the two fixed doors are arranged at an interval, and a linear guide rail is arranged on one side of each fixed door; the number of the sliding doors is two, one sliding door is arranged on each of the two linear guide rails, each sliding door comprises a door plate body and a supporting sliding seat fixed to the bottom of the door plate body, a guide strip groove is formed in the bottom of each supporting sliding seat, and the linear guide rails are located in the guide strip grooves; and the driving mechanism is used for driving the sliding door to slide along the linear guide rail. Normal operation of the shielding door is not easily affected by external sundries and impurities.

Description

Technical Field

[0001] The present application relates to the technical field of urban rail transit safety facilities, and in particular to a subway platform screen door. Background Art

[0002] With the rapid development of urban rail transit, subway platform safety protection issues are increasingly valued. Traditional subway platforms usually use full-height shielding doors or no shielding facilities. Although full-height shielding doors are highly secure, they are expensive and require high maintenance costs; platforms without shielding facilities pose safety hazards. Therefore, half-height shielding doors, as a compromise solution, are gradually gaining attention.

[0003] The utility model with publication number CN205823054U discloses a semi-high shielded platform door, including an emergency door, a first fixed side box, a second fixed side box, a first sliding door, a second sliding door, a fixed door, a first bottom support, a second bottom support, a first threshold, and a second threshold. The sliding door adopts a double overlapping guide rail type, with an adjustable opening and a large stroke, and can solve the opening problem of the sliding door at the front and rear of the vehicle without affecting the driver's getting on and off at the driver's door.

[0004] However, in the semi-high shielded platform door, the first support seat slides on the first linear guide rail, and the second support seat is slidably set on the second linear guide rail; during the sliding of the first sliding door and the second sliding door, most of the first linear guide rail and the second linear guide rail are in an exposed state. During use, foreign impurities and debris can easily enter and remain on the surface of the linear guide rail, affecting the normal sliding of the sliding door. Especially in an environment such as a subway platform, where there is a large flow of people and a lot of debris such as dust and paper scraps, it is easier to affect the stability and service life of the existing shielding door. Therefore, how to prevent these debris from affecting the linear guide rail has become a problem that needs to be solved urgently. Summary of the invention

[0005] In order to prevent external debris and impurities from easily affecting the normal operation of the platform shielding door, the present application provides a subway platform shielding door.

[0006] The present application provides a subway platform screen door, which adopts the following technical solution: A subway platform screen door, comprising: Fixed doors, wherein two fixed doors are provided at intervals, and a linear guide rail is provided on one side of each fixed door; Sliding doors, wherein two sliding doors are provided, and one sliding door is provided on each of the two linear guide rails, wherein the sliding door comprises a door panel body and a support slide fixed to the bottom of the door panel body, wherein a guide strip groove is provided at the bottom of the support slide, and the linear guide rail is located in the guide strip groove; A driving mechanism is used to drive the sliding door to slide along the linear guide rail.

[0007] By adopting the above technical solution, the guide groove at the bottom of the supporting slide completely covers the top of the linear guide rail, which can effectively prevent foreign debris and impurities from adhering to the surface of the linear guide rail, ensuring that the sliding door slides smoothly along the linear guide rail, thereby ensuring the normal operation of the shielding door.

[0008] Optionally, a stabilizing slide bar is provided on the inner side wall of the guide bar groove, and the stabilizing slide bar is arranged along the length direction of the guide bar groove, and a slide groove for the stabilizing slide bar to slide is opened on the side wall of the linear guide rail.

[0009] By adopting the above technical scheme, a stabilizing slide bar is provided on the inner side wall of the guide strip groove, and the stabilizing slide bar is arranged along the length direction of the guide strip groove. A sliding groove for the stabilizing slide bar to slide is opened on the side wall of the linear guide rail, thereby effectively improving the stability of the sliding door during the sliding process, preventing the sliding door from shifting during the sliding process, ensuring that the surface coverage of the linear guide rail is more reliable, and further preventing the adhesion of debris; on the other hand, the stabilizing strip cooperates with the sliding groove on the linear guide rail, reducing the possibility of impurities entering from the bottom of the guide strip groove.

[0010] Optionally, a mounting opening is provided at one end of the support slide, the mounting opening is communicated with the guide bar groove, and an opening and closing member for opening or closing the mounting opening is provided at the mounting opening.

[0011] By adopting the above technical solution, an installation opening is opened at one end of the support slide, the installation opening is connected to the guide bar groove, and an opening and closing member for opening or closing the installation opening is provided at the installation opening, which facilitates the installation and maintenance of the support slide and improves maintenance efficiency.

[0012] Optionally, the opening and closing member includes a first opening and closing plate rotatably connected to the mounting opening.

[0013] By adopting the above technical solution, a first opening and closing plate is provided at the installation opening opened at one end of the supporting slide. The first opening and closing plate is rotatably connected to the installation opening, and can effectively open or close the installation opening, thereby facilitating the cleaning of the inside of the guide groove. At the same time, in the closed state, it can better prevent external debris from entering the guide groove, thereby ensuring the cleanliness of the surface of the linear guide rail.

[0014] Optionally, the opening and closing member includes a second opening and closing plate slidably disposed at the mounting opening.

[0015] By adopting the above technical solution, the installation opening opened at one end of the supporting slide can be opened or closed by the second opening and closing plate, which is convenient for cleaning or maintenance of the inside of the guide groove. At the same time, in the closed state, it can effectively prevent foreign impurities and debris from entering the inside of the guide groove, further ensuring the cleanliness of the linear guide rail and ensuring the smooth sliding of the sliding door.

[0016] Optionally, an auxiliary guide rail is fixed on the top of the sliding door, an auxiliary groove body is provided on the top of the fixed door, and the auxiliary guide rail is slidably disposed in the auxiliary groove body.

[0017] By adopting the above technical solution, an auxiliary guide rail is fixed on the top of the sliding door, an auxiliary groove body is arranged on the top of the fixed door, and the auxiliary guide rail is slidably arranged in the auxiliary groove body, thereby improving the stability of the sliding door during the sliding process, effectively preventing the sliding door from lateral deviation, and ensuring the smoothness and reliability of the operation of the shielding door.

[0018] Optionally, a receiving groove is provided on the linear guide rail, and the driving mechanism includes a driving source, a synchronous belt and a synchronous wheel rotatably arranged in the receiving groove, two synchronous wheels are arranged at intervals, and the synchronous belt is wound around the two synchronous wheels; The synchronous belt is connected with a transmission slider, the transmission slider is connected to the inner side wall of the guide strip groove, and the driving source is used to drive the synchronous wheel to rotate.

[0019] By adopting the above technical solution, the accommodating groove opened on the linear guide rail and the cooperation of the driving source, synchronous belt and synchronous wheel in the driving mechanism enable the sliding door to slide smoothly along the linear guide rail. The synchronous belt is wound around the two synchronous wheels and connected to the inner wall of the guide strip groove through a transmission slider 44, ensuring the stability of the sliding door during the sliding process and effectively improving the operating efficiency and reliability of the shielding door.

[0020] Optionally, a rain shield edge is provided on the auxiliary trough body, and the rain shield edge is inclined relative to the fixed door.

[0021] By adopting the above technical solution, a rain shield edge is provided on the auxiliary trough body, and the rain shield edge is inclined relative to the fixed door, which can effectively prevent rainwater from entering the auxiliary trough body and avoid corrosion of the auxiliary guide rail on the top of the sliding door caused by accumulation of rainwater, thereby improving the sliding stability and service life of the sliding door.

[0022] Optionally, anti-pinch rubber strips are provided on opposite side walls of the two sliding doors.

[0023] By adopting the above technical solution, the two sliding doors are provided with anti-pinch rubber strips on the opposite side walls, which can play a buffering role when the sliding doors are closed, avoid pinching passengers, and improve the safety of use. In addition, after the sliding door pinches the passenger's clothes, the elasticity of the anti-pinch rubber strip makes it easy to pull out the clothes.

[0024] In summary, the present application includes at least one of the following beneficial effects: The top of the linear guide is completely covered by the support slide, which effectively prevents foreign debris and impurities from adhering to the surface of the linear guide, ensuring smooth sliding of the sliding door; 2. The stabilizing slide bar cooperates with the slide groove on the side wall of the linear guide rail to enhance the stability of the sliding door and further improve the smoothness of the sliding door during the sliding process; 3. The setting of the opening and closing parts facilitates the maintenance and inspection of the support slide, and also reduces the possibility of debris entering the guide groove during daily use. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the structure of a subway platform screen door according to Example 1 of the present application; Figure 2 This is a schematic diagram of a partial explosion structure of a subway platform screen door according to Example 1 of the present application; Figure 3 yes Figure 2 A partial enlarged structural diagram of the stabilizing slider and the slideway is shown in FIG. Figure 4 This is a schematic structural diagram of a subway platform screen door according to Example 2 of the present application; Figure 5 yes Figure 4 A schematic diagram of the local enlarged structure at point A in the middle; Explanation of the reference numerals in the accompanying drawings: 1. Fixed door; 2. Linear guide rail; 21. Slide groove; 22. Accommodating groove; 3. Sliding door; 31. Door panel body; 32. Support slide seat; 321. Guide strip groove; 322. Mounting port; 33. Stabilizing slide strip; 34. First opening and closing plate; 35. Second opening and closing plate; 351. Operating strip; 352. Closing piece; 4. Driving mechanism; 41. Driving source; 42. Synchronous belt; 43. Synchronous wheel; 44. Transmission slider; 5. Auxiliary guide rail; 6. Auxiliary groove body; 7. Rain shield edge; 8. Anti-pinch rubber strip; 9. Mounting base plate. DETAILED DESCRIPTION

[0026] The following is combined with Figure 1-5 This application is described in further detail.

[0027] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions in the embodiments of the present invention. The described embodiments are only possible technical implementations of the present invention, not all possible implementations. Those skilled in the art can completely combine the embodiments of the present invention to obtain other embodiments without creative work, and these embodiments are also within the scope of protection of the present invention.

[0028] Embodiment 1: Reference Figure 1 and Figure 2 A subway platform screen door provided in an embodiment of the present application includes a fixed door 1 and a sliding door 3, and a driving mechanism 4 for driving the sliding door 3 to slide along a linear guide rail 2.

[0029] Two fixed doors 1 are arranged at intervals, and the fixed doors 1 can be directly fixed on the platform floor when in use. A linear guide rail 2 is arranged on one side of each fixed door 1, and a mounting base plate 9 is fixed at the bottom of the linear guide rail 2. When in use, the linear guide rail 2 is fixedly installed on the ground by the mounting base plate 9. In this embodiment, a plurality of mounting base plates 9 are arranged at intervals. The fixed door 1 is generally made of high-strength steel or aluminum alloy materials to ensure sufficient firmness and durability. Windows or other transparent materials can also be arranged on the fixed door 1 so that passengers can see the arrival of the train while waiting.

[0030] A sliding door 3 is provided on one side of the fixed door 1 close to the linear guide rail 2. Specifically, two sliding doors 3 are provided and are arranged one by one with the fixed door 1. The sliding door 3 includes a door panel body 31 and a support slide 32 fixed to the bottom of the door panel body 31. A guide strip groove 321 is provided at the bottom of the support slide 32, and the linear guide rail 2 is located in the guide strip groove 321. In the present embodiment, the support slide 32 is specifically configured as a hollow rectangular trough with an open bottom. The door panel body 31 is generally made of aluminum alloy or other high-strength materials and has a certain weight to ensure stability during sliding. The thickness and length of the door panel body 31 can be adjusted according to specific needs. The support slide 32 is also made of high-strength material, and its shape is designed to completely cover the top of the linear guide rail 2 to effectively prevent foreign debris and impurities from falling on the linear guide rail 2.

[0031] Reference Figure 3 In order to improve the stability of the sliding door 3 when sliding, a stabilizing slide bar 33 is fixedly connected to the inner wall of the guide strip groove 321, and the inside of the guide strip groove 321 is provided with a stabilizing slide bar 33. The stabilizing slide bar 33 is arranged along the length direction of the guide strip groove 321, and a slide groove 21 for the stabilizing slide bar 33 to slide is provided on the side wall of the linear guide rail 2. In the present embodiment, two stabilizing slide bars 33 are specifically arranged in the guide strip groove 321, and the two stabilizing slide bars 33 are arranged opposite to each other. The stabilizing slide bar 33 is preferably made of wear-resistant material such as polyurethane or nylon material, which can effectively reduce friction and wear during sliding. The width and shape design of the slide groove 21 match the stabilizing slide bar 33 to ensure the stability of the sliding door 3 when sliding and reduce the shaking amplitude of the sliding door 3.

[0032] Reference Figure 3, a mounting opening 322 is provided at one end of the support slide 32, the mounting opening 322 is communicated with the guide strip groove 321, and an opening and closing member for opening or closing the mounting opening 322 is provided at the mounting opening 322. The opening and closing member includes a first opening and closing plate 34 rotatably connected to the mounting opening 322, and the first opening and closing plate 34 can be opened and closed by setting a rotating shaft or a hinge support. In this embodiment, the first opening and closing plate 34 is rotatably connected to the support slide 32 by a rotating shaft, and there is a certain rotational friction between the rotating shaft and the support slide 32, so as to improve the stability of the first opening and closing plate 34 when closing the mounting opening 322. The detachable connection between the support slide 32 and the linear guide rail 2 is realized by setting the mounting opening 322, so as to facilitate the cleaning or maintenance of the inside of the guide strip groove 321.

[0033] Reference Figure 2 , anti-pinch rubber strips 8 are provided on the opposite side walls of the two sliding doors 3 to prevent passengers from being pinched when the sliding doors 3 are closed. The anti-pinch rubber strips 8 are made of soft rubber or other non-metallic materials, and have certain elasticity and weather resistance. The thickness of the anti-pinch rubber strips 8 can be designed to be between 5mm and 10mm, and the width can be adjusted according to actual needs. When the sliding door 3 encounters an obstacle during the closing process, such as the passenger's hand or clothing, the anti-pinch rubber strips 8 can be deformed in the first time to play a buffering role, thereby avoiding pinching passengers. In addition, the color of the anti-pinch rubber strips 8 can be adjusted according to requirements to improve its visibility and facilitate reminding passengers.

[0034] In order to further improve the stability of the sliding door 3 during sliding, an auxiliary guide rail 5 is fixed on the top of the sliding door 3, and an auxiliary groove body 6 is set on the top of the fixed door 1. The auxiliary guide rail 5 is slidably set in the auxiliary groove body 6. The auxiliary guide rail 5 can be made of stainless steel or other wear-resistant materials, and its shape is designed to be a groove type that matches the auxiliary groove body 6, which can reduce the shaking of the sliding door 3 during sliding. The auxiliary groove body 6 is also made of wear-resistant material, and its shape is designed to be a cross-sectional special-shaped structure that matches the auxiliary guide rail 5 to ensure that the auxiliary guide rail 5 can slide smoothly in the auxiliary groove body 6.

[0035] Reference Figure 2 A rain shield edge 7 is fixed on the auxiliary trough body 6. The rain shield edge 7 is tilted relative to the fixed door 1, and one side of the rain shield edge 7 extends toward the side of the fixed door 1 close to the linear guide rail 2. The rain shield edge 7 can be made of aluminum alloy or other corrosion-resistant materials, and the slope of the rain shield edge 7 can be adjusted according to actual conditions; wherein, the slope of the rain shield edge 7 ranges from 30° to 45° to achieve the best waterproof effect. The width and length of the rain shield edge 7 can be adjusted according to the actual size and needs of the platform, and the rain shield edge 7 needs to have a certain degree of elasticity so that it is not easily deformed during long-term use.

[0036] Reference Figure 2 , a receiving groove 22 is provided on the linear guide 2, and the receiving groove 22 is provided along the length direction of the linear guide 2. The driving mechanism 4 includes a driving source 41, a synchronous belt 42 rotatably arranged in the receiving groove 22, and a synchronous wheel 43. Two synchronous wheels 43 are arranged at intervals, and the synchronous wheel 43 is rotatably connected to the receiving groove 22 through a rotating shaft. The annular synchronous belt 42 is wound around the two synchronous wheels 43, and a transmission slider 44 is connected to the synchronous belt 42; one end of the transmission slider 44 is located outside the receiving groove 22 and is connected to the inner wall of the guide strip groove 321. It should be noted that the connection position between the transmission slider 44 and the guide strip groove 321 is located in the middle of the guide strip groove 321, so as to smoothly complete the door opening and closing actions.

[0037] The driving source 41 can be an electric motor or other types of power sources, with sufficient output power and torque to drive the sliding door 3 to slide smoothly along the linear guide 2. In this embodiment, the driving source 41 is specifically configured as a servo motor, and the driving source 41 is fixed to the bottom of the linear guide 2. The output shaft of the driving source 41 is inserted into the receiving groove 22 and coaxially fixed with the rotating shaft on a synchronous wheel 43. The synchronous belt 42 is made of high-strength material to ensure that it is not easy to wear during long-term use. The tooth shape design of the synchronous wheel 43 matches that of the synchronous belt 42 to ensure that the synchronous wheel 43 can accurately drive the synchronous belt 42 to move during the transmission process.

[0038] The implementation principle of Example 1 is as follows: the top of the linear guide rail 2 is completely covered by the support slide 32, and the stabilizing slide bar 33 and the opening and closing parts are arranged in the guide bar groove 321, so as to effectively prevent foreign debris and impurities from falling on the surface of the linear guide rail 2, and the shaking of the sliding door 3 during the sliding process is further reduced by the design of the auxiliary guide rail 5 and the auxiliary groove body 6, so as to ensure that the sliding door 3 can run smoothly. Through the combination of the synchronous belt 42 and the synchronous wheel 43, and the setting of the driving source 41, the sliding door 3 can be efficiently and smoothly slid along the linear guide rail 2, thereby improving the reliability and stability of the shielding door.

[0039] Embodiment 2: The difference between this embodiment and embodiment 1 is that: Figure 4 and Figure 5 In this embodiment, the first opening and closing plate 34 is not provided in the middle, and the opening and closing member is provided as a second opening and closing plate 35 sliding at the installation opening 322. The second opening and closing plate 35 includes an operation bar 351 and a closing piece 352 fixed to one end of the operation bar 351, and one end of the closing piece 352 passes through the upper surface of the support slide 32 and enters the guide bar groove 321. The thickness of the operation bar 351 is greater than that of the closing piece 352, and the shape of the closing piece 352 is designed to be a rectangle matching the installation opening 322, and the opening and closing operation can be realized by sliding the operation bar 351.

[0040] The implementation principle of this embodiment is as follows: this embodiment makes the structure inside the support slide 32 more compact through the design of the second opening and closing plate 35, and facilitates the maintenance of the sliding door 3. The design of sliding the second opening and closing plate 35 can effectively prevent foreign debris and impurities from falling into the support slide 32, further improving the working stability of the linear guide 2.

[0041] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A subway platform screen door, characterized in that: include: A fixed door (1), wherein two fixed doors (1) are arranged at intervals, and a linear guide rail (2) is arranged on one side of each fixed door (1); A sliding door (3), wherein two sliding doors (3) are provided, and one sliding door (3) is provided on each of the two linear guide rails (2), wherein the sliding door (3) comprises a door panel body (31) and a support slide seat (32) fixed to the bottom of the door panel body (31), wherein a guide groove (321) is provided at the bottom of the support slide seat (32), and the linear guide rail (2) is located in the guide groove (321); A driving mechanism (4), the driving mechanism (4) being used to drive the sliding door (3) to slide along the linear guide rail (2).

2. The subway platform screen door according to claim 1, characterized in that: The inner side wall of the guide groove (321) is provided with a stabilizing slide bar (33), and the stabilizing slide bar (33) is arranged along the length direction of the guide groove (321). The side wall of the linear guide rail (2) is provided with a slide groove (21) for the stabilizing slide bar (33) to slide.

3. The subway platform screen door according to claim 2, characterized in that: A mounting opening (322) is provided at one end of the support slide seat (32), the mounting opening (322) is communicated with the guide groove (321), and an opening and closing member for opening or closing the mounting opening (322) is provided at the mounting opening (322).

4. The subway platform screen door according to claim 3, characterized in that: The opening and closing member comprises a first opening and closing plate (34) rotatably connected to the installation opening (322).

5. The subway platform screen door according to claim 3, characterized in that: The opening and closing member comprises a second opening and closing plate (35) slidably arranged at the installation opening (322).

6. The subway platform screen door according to claim 1, characterized in that: An auxiliary guide rail (5) is fixed on the top of the sliding door (3), an auxiliary groove body (6) is arranged on the top of the fixed door (1), and the auxiliary guide rail (5) is slidably arranged in the auxiliary groove body (6).

7. The subway platform screen door according to claim 1, characterized in that: The linear guide rail (2) is provided with a receiving groove (22), and the driving mechanism (4) comprises a driving source (41), a synchronous belt (42) rotatably arranged in the receiving groove (22), and a synchronous wheel (43), two synchronous wheels (43) are arranged at intervals, and the synchronous belt (42) is wound around the two synchronous wheels (43); A transmission slider is connected to the synchronous belt (42), the transmission slider is connected to the inner wall of the guide groove (321), and the driving source (41) is used to drive the synchronous wheel (43) to rotate.

8. The subway platform screen door according to claim 6, characterized in that: The auxiliary trough body (6) is provided with a rainproof shield edge (7), and the rainproof shield edge (7) is arranged to be inclined relative to the fixed door (1).

9. The subway platform screen door according to claim 1, characterized in that: Anti-pinch rubber strips (8) are provided on opposite side walls of the two sliding doors (3).

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