Subway station platform door with anti-pinch structure

Abstract

The utility model relates to the technical field of subway station platform doors, in particular to a subway station platform door with an anti-pinch structure, which comprises a door frame, door bodies are arranged on two sides in the door frame, a mounting groove is arranged in the top end of the door frame, a two-way screw is arranged in the mounting groove, and a double-shaft motor is arranged in the middle of the two-way screw. The door bodies can be detected through the infrared sensor, when people or objects are detected between the door bodies, the single chip microcomputer can control the double-shaft motor, so that the double-shaft motor cannot drive the two-way screw to rotate, the anti-pinch effect is achieved, the door bodies are provided with the movable frames, and therefore the door bodies can be prevented from being clamped by the movable frames. And the movable frame is provided with a fixed rod, a spring, a sliding sleeve and a rotating connecting rod, so that the movable frame can extrude the spring through the rotating connecting rod, then the movable frame is retracted into a fixed groove, a certain buffering effect is achieved between the door bodies, the anti-pinch effect of the door bodies is improved, and clamping injuries are effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of subway station platform doors, in particular to a subway station platform door with an anti-pinch structure. Background Art

[0002] Subway is a fast, high-capacity, electric-powered rail transit system built in cities. Trains run on fully enclosed lines. Lines in the central city are basically located in underground tunnels, and lines outside the central city are generally located on viaducts or on the ground. Subway is a high-density, high-capacity urban rail transit system that covers all kinds of underground and above-ground road rights in urban areas. In order to improve the safety of subway departures, subway stations generally have platform doors on the edge of the subway platform to protect the safety of passengers.

[0003] The existing subway station platform doors do not have an anti-pinch function when in use, which can easily cause pinching injuries to pedestrians, and are less safe and less practical. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a subway station platform door with an anti-pinch structure.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a subway station platform door with an anti-pinch structure, comprising a door frame, door bodies are arranged on both sides of the door frame, a mounting groove is arranged inside the top of the door frame, a bidirectional screw is arranged inside the mounting groove, a biaxial motor is arranged in the middle of the bidirectional screw, moving blocks are arranged at both ends of the bidirectional screw, the moving block is threadedly connected to the bidirectional screw, the bottom end of the moving block is connected to the door body, a fixing groove is arranged inside one side of the door body, a movable frame is arranged on one side of the door body, an infrared sensor is arranged on one side of the movable frame, a fixing rod is arranged on one side of the fixing groove, a spring is arranged on the fixing rod, the spring is sleeved on the fixing rod, sliding sleeves are arranged at both ends of the fixing rod, the sliding sleeve is slidably arranged on the fixing rod, one end of the spring is against the sliding sleeve, a rotating connecting rod is arranged on one side of the sliding sleeve, one end of the rotating connecting rod is connected to the inner wall of the movable frame, the rotating connecting rod is rotatably connected to the sliding sleeve and the movable frame respectively, the movable frame is slidably connected to the fixing groove, and a single-chip microcomputer is arranged on the top of one side of the door frame.

[0008] Furthermore, the utility model is improved in that sliding blocks are provided on both sides of the moving block, sliding grooves are provided on both sides of the inner wall of the installation groove, one end of the sliding block is slidably provided inside the sliding groove, and the sliding block is fixedly connected to the moving block.

[0009] Furthermore, the utility model is improved in that sliding bars are arranged at the bottom of both sides of the door body, sliding grooves are arranged on both sides of the door frame, one end of the sliding bar is slidably arranged inside the sliding groove, and the sliding bar and the door body are an integrated structure.

[0010] Furthermore, the utility model is improved in that a plurality of infrared sensors are provided, the plurality of infrared sensors are electrically connected to the single-chip microcomputer, and the dual-axis motor is electrically connected to the single-chip microcomputer.

[0011] Furthermore, the utility model is improved in that the dual-axis motor adopts a servo motor.

[0012] Furthermore, the utility model is improved in that both the door body and the door frame are provided with an anti-corrosion layer, and the anti-corrosion layer is a cold-dip galvanized paint layer.

[0013] Furthermore, the utility model is improved in that a warning device is provided on one side of the top of the door frame, the warning device comprises a warning light and a speaker, and the warning device is electrically connected to the single chip microcomputer.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a subway station platform door with an anti-pinch structure, which has the following beneficial effects:

[0016] The subway station platform door with an anti-pinch structure can detect between door bodies through infrared sensors. When a person or object is detected between the door bodies, the single-chip machine controls the dual-axis motor so that the dual-axis motor will not drive the bidirectional screw to rotate, thereby achieving an anti-pinch effect. The door body is provided with a movable frame, and the movable frame is provided with a fixed rod, a spring, a sliding sleeve and a rotating connecting rod, so that the movable frame can squeeze the spring through the rotating connecting rod, and then shrink the movable frame into the fixed groove, so that there is a certain buffering effect between the door bodies, thereby improving the anti-pinch effect of the door body and effectively avoiding pinching. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 A schematic diagram of a top view structure;

[0019] Figure 3 For this utility model Figure 1 Schematic diagram of the structure of the middle door body;

[0020] Figure 4 For this utility model Figure 3 A schematic diagram of the internal structure from a side view;

[0021] In the figure: 1. door frame; 2. door body; 3. movable frame; 4. bidirectional screw; 5. dual-axis motor; 6. moving block; 7. single-chip microcomputer; 8. slider; 9. infrared sensor; 10. slide bar; 11. fixing groove; 12. fixing rod; 13. spring; 14. sliding sleeve; 15. rotating connecting rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 A subway station platform door with an anti-pinch structure comprises a door frame 1, a door body 2 is arranged on both sides of the door frame 1, a mounting groove is arranged inside the top of the door frame 1, a bidirectional screw 4 is arranged inside the mounting groove, a biaxial motor 5 is arranged in the middle of the bidirectional screw 4, moving blocks 6 are arranged at both ends of the bidirectional screw 4, the moving block 6 is threadedly connected to the bidirectional screw 4, the bottom end of the moving block 6 is connected to the door body 2, a fixing groove 11 is arranged inside one side of the door body 2, a movable frame 3 is arranged on one side of the door body 2, an infrared sensor 9 is arranged on one side of the movable frame 3, a fixing rod 12 is arranged on one side of the fixing groove 11, and a spring is arranged on the fixing rod 12 Spring 13, the spring 13 is sleeved on the fixed rod 12, and sliding sleeves 14 are provided at both ends of the fixed rod 12. The sliding sleeve 14 is slidably set on the fixed rod 12, one end of the spring 13 is against the sliding sleeve 14, and a rotating connecting rod 15 is provided on one side of the sliding sleeve 14. One end of the rotating connecting rod 15 is connected to the inner wall of the movable frame 3, and the rotating connecting rod 15 is respectively rotatably connected with the sliding sleeve 14 and the movable frame 3, and the movable frame 3 is slidably connected with the fixed groove 11. A single-chip microcomputer 7 is provided on the top of one side of the door frame 1, and a plurality of infrared sensors 9 are provided, and the plurality of infrared sensors 9 are electrically connected to the single-chip microcomputer 7, and the dual-axis motor 5 is electrically connected to the single-chip microcomputer 7.

[0024] In the actual use of the above structure, first, the door body 2 can detect the space between the door bodies 2 in real time through the infrared sensor 9 on the side of the movable frame 3. When it is detected that there is a person or an object between the door bodies 2, the infrared sensor 9 transmits the signal to the single-chip microcomputer 7, and then the single-chip microcomputer 7 controls the dual-axis motor 5, so that the dual-axis motor 5 will not drive the bidirectional screw 4 to rotate, thereby achieving an anti-pinch effect. When it is detected that there is no person or object between the door bodies 2, the dual-axis motor 5 will drive the bidirectional screw 4 to rotate, and the rotation of the bidirectional screw 4 will drive the movable frame 3 to rotate. The movable block 6 drives the door body 2 at the same time, so that the door body 2 is closed, and the door body 2 can have a certain buffering effect through the setting of the movable frame 3. When the movable frame 3 is subjected to pressure, the movable frame 3 rotates the connecting rod 15, and the rotating connecting rod 15 drives the sliding sleeve 14, and the sliding sleeve 14 squeezes the spring 13 on the fixed rod 12, so that the movable frame 3 will retract into the fixed groove 11, so that the door body 2 can be closed at one time conveniently, causing pinching injuries, and can have a high protection ability for the human body and is more practical.

[0025] In this embodiment, sliders 8 are provided on both sides of the moving block 6, and sliding grooves are provided on both sides of the inner wall of the installation groove. One end of the slider 8 is slidably set inside the sliding groove. The slider 8 is fixedly connected to the moving block 6, thereby improving the stability of the moving block 6 when sliding.

[0026] In this embodiment, sliding strips 10 are provided at the bottom of both sides of the door body 2, and sliding grooves are provided on both sides of the door frame 1. One end of the sliding strip 10 is slidably set inside the sliding groove. The sliding strip 10 and the door body 2 are an integrated structure, which improves the stability of the door body 2 when opening and closing.

[0027] In this embodiment, the door body 2 and the door frame 1 are both provided with an anti-corrosion layer, and the anti-corrosion layer is a cold-dip galvanized paint layer, which improves the durability of the door body 2 and the door frame 1.

[0028] In this embodiment, a warning device is provided on one side of the top of the door frame 1, and the warning device includes a warning light and a speaker. The warning device is electrically connected to the single-chip computer 7, so that the door body 2 can alarm when an accident or other dangerous situation occurs, thereby facilitating reminders.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A subway station platform door with an anti-pinch structure, characterized in that: The invention comprises a door frame (1), wherein a door body (2) is arranged on both sides of the door frame (1), a mounting groove is arranged inside the top of the door frame (1), a bidirectional screw (4) is arranged inside the mounting groove, a biaxial motor (5) is arranged in the middle of the bidirectional screw (4), moving blocks (6) are arranged at both ends of the bidirectional screw (4), the moving blocks (6) are threadedly connected to the bidirectional screw (4), the bottom end of the moving block (6) is connected to the door body (2), a fixing groove (11) is arranged inside one side of the door body (2), a movable frame (3) is arranged on one side of the door body (2), an infrared sensor (9) is arranged on one side of the movable frame (3), and a fixed sensor (11) is arranged on one side of the fixing groove (11). A rod (12), a spring (13) is arranged on the fixed rod (12), the spring (13) is sleeved on the fixed rod (12), sliding sleeves (14) are arranged at both ends of the fixed rod (12), the sliding sleeve (14) is slidably arranged on the fixed rod (12), one end of the spring (13) is against the sliding sleeve (14), a rotating connecting rod (15) is arranged on one side of the sliding sleeve (14), one end of the rotating connecting rod (15) is connected to the inner wall of the movable frame (3), the rotating connecting rod (15) is respectively connected to the sliding sleeve (14) and the movable frame (3) in a rotating manner, the movable frame (3) is connected to the fixed groove (11) in a sliding manner, and a single chip computer (7) is arranged on the top of one side of the door frame (1).

2. The subway station platform door with an anti-pinch structure according to claim 1, characterized in that: Slide blocks (8) are arranged on both sides of the moving block (6), and slide grooves are arranged on both sides of the inner wall of the installation groove. One end of the slide block (8) is slidably arranged inside the slide groove, and the slide block (8) is fixedly connected to the moving block (6).

3. The subway station platform door with an anti-pinch structure according to claim 2, characterized in that: Slide bars (10) are arranged at the bottom of both sides of the door body (2), and sliding grooves are arranged on both sides of the door frame (1). One end of the slide bar (10) is slidably arranged inside the sliding groove, and the slide bar (10) and the door body (2) are an integrated structure.

4. The subway station platform door with an anti-pinch structure according to claim 3, characterized in that: A plurality of the infrared sensors (9) are provided, and the plurality of the infrared sensors (9) are electrically connected to the single-chip microcomputer (7), and the dual-axis motor (5) is electrically connected to the single-chip microcomputer (7).

5. The subway station platform door with an anti-pinch structure according to claim 4, characterized in that: The dual-axis motor (5) is a servo motor.

6. The subway station platform door with an anti-pinch structure according to claim 5, characterized in that: The door body (2) and the door frame (1) are both provided with an anti-corrosion layer, and the anti-corrosion layer is a cold-dip galvanized paint layer.

7. The subway station platform door with an anti-pinch structure according to claim 6, characterized in that: A warning device is provided on one side of the top of the door frame (1), the warning device comprising a warning light and a speaker, and the warning device is electrically connected to the single-chip computer (7).

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