Subway safety protection door with anti-pinch structure

By introducing human body sensors and movable column structures into subway safety doors, the problems of insensitive and unstable connections of anti-pinch sensors have been solved, thereby improving safety performance and stability.

CN224013580UActive Publication Date: 2026-03-20DALIAN JIAOTONG UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-14
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

The existing anti-pinch sensors on subway safety doors are not sensitive enough, easily trapping small items and causing safety problems, and their connection stability is also poor.

Method used

It uses a human body sensor to detect foreign objects, a motor to control the movement of the intercepting door, and is equipped with a movable column and a return spring to facilitate the removal of clothing. The stability is improved by the connection of knobs and screws, and a display screen displays safety regulations.

Benefits of technology

This improves the safety performance and connection stability of subway safety doors, prevents passengers from being pinched, and enhances the applicability and safety of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of subway safety protection doors, in particular to a subway safety protection door with an anti-pinch structure. Comprising a left vertical box, a human body sensor, a switch assembly, a right vertical box, a base, an expansion bolt, a third screw hole, a sliding groove, a reset spring, a movable column, a rotating groove, a roller, a display screen, an open groove, a rotary knob, a storage groove, a special-shaped plate, a clamping groove, a first screw hole, a connecting box, a special-shaped groove and a second screw hole, movable grooves are formed in the left vertical box and the right vertical box correspondingly, and interception doors are arranged on the inner sides of the movable grooves; a sliding groove is formed in the outer side of the intercepting door, one end of a reset spring is fixedly connected to the inner side of the sliding groove, a movable column is fixedly connected to the other end of the reset spring, a rotating groove is formed in the outer side of the movable column, a roller is arranged on the inner side of the rotating groove, a display screen is arranged on the outer side of the intercepting door, and an open groove is formed in the upper end face of the right vertical box. When an object with a large size is clamped by mistake, the movable column slides towards the interior of the sliding groove, a passenger can conveniently draw out the object, and the safety performance of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to subway safety door technical field especially, it relates to subway safety door with anti -jam structure has. BACKGROUND

[0002] The function of subway safety door is to prevent passenger from falling or jumping down the track, separates the platform and train operation area, avoids passenger from entering dangerous area, keeps closing when train does not enter the station, when train arrives at the station and stops in the allowable error range, aligns with train door and opens synchronously.

[0003] Now the subway safety door with anti -jam structure most anti -jam inductor is not sensitive enough, lead to some small volume long goods easy to be clamped, for example, scarf, long coat, and the clothes are clamped and lead to passenger when riding train is pulled, in turn, produces more serious safety problem, and the connection between safety door only relies on bolt, and the stability is poor.

[0004] Therefore, in view of the most anti -jam inductor of the subway safety door with anti -jam structure is not sensitive enough, and the small volume goods are easy to be clamped, and the safety problem is produced, and the connection between safety door is poor in stability, can be extracted through the roller rotation, prevent the emergence of safety hazard, through the sliding of movable column to the sliding groove, the passenger is convenient to extract goods, improve the safety performance of device, rotate the knob on right vertical box, make special-shaped plate move out, make the connection box on another left vertical box align special-shaped plate and insert, make special-shaped groove and special-shaped plate engage, install through screwing into screw hole two and screw hole one, improve the applicability and connection stability of device. SUMMARY

[0005] In order to overcome the most anti -jam inductor of the subway safety door with anti -jam structure is not sensitive enough, lead to some small volume long goods easy to be clamped, for example, scarf, long coat, and the clothes are clamped and lead to passenger when riding train is pulled, in turn, produces more serious safety problem, and the connection between safety door only relies on bolt, lead to poor stability.

[0006] The technical solution of this utility model is as follows: a subway safety door with an anti-pinch structure, comprising a left upright box, a human body sensor, a switch assembly, a right upright box, a base, expansion bolts, three screw holes, a slide groove, a return spring, a movable column, a rotating groove, a roller, a display screen, a slot, a knob, a storage compartment, a shaped plate, a card slot, a screw hole one, a connecting box, a shaped groove, and a screw hole two. Movable grooves are respectively provided inside the left and right upright boxes. An interception door is provided on the inner side of the movable groove, and a slide groove is provided on the outer side of the interception door. A return spring is fixedly connected to the inner side of the slide groove. One end of the spring and the other end of the return spring are fixedly connected to a movable column. A rotating groove is opened on the outer side of the movable column, and a roller is set on the inner side of the rotating groove. A display screen is set on the outer side of the intercepting door. A slot is opened on the upper end face of the right vertical box, and a knob is set on the inner side of the slot. A storage compartment is opened on the outer side of the right vertical box, and an irregular plate is set on the inner side of the storage compartment. A slot is opened on the upper end face of the irregular plate, and screw holes are set on both sides of the irregular plate. A connecting box is set on the outer side of the left vertical box, and an irregular groove is opened on the outer side of the connecting box. Screw holes are set on both sides of the connecting box.

[0007] Preferably, a human body sensor is used to monitor the movement of the intercepting gate. When a foreign object is detected, the motor stops rotating to prevent the gate from continuing to advance and injuring passengers. When a scarf or other clothing is accidentally caught, the roller rotates to facilitate the passenger's removal of the clothing, preventing safety hazards. When a large item is accidentally caught, the movable column slides into the chute to facilitate the passenger's removal of the item. After the item is removed, the movable column rebounds and resets under the action of the return spring, continuing to perform the interception task. The installation width of the movable column does not exceed six centimeters, and the installation height of the movable column does not exceed ten centimeters from the ground to prevent passengers from squeezing into or crawling into the station. The train status is displayed on the screen. The left and right vertical boxes can be used individually or in combination. When used in combination, the knob on the right vertical box is turned, and the irregular plate is moved out of the storage slot through the engagement of the knob with the slot. The connecting box on the other left vertical box is aligned with the irregular plate and inserted, so that the irregular slot and the irregular plate are engaged. The screws are screwed into screw holes two and one for installation, improving the applicability and connection stability of the device.

[0008] Preferably, multiple sets of return springs are equidistantly arranged in the slide groove, the movable column is slidably connected to the slide groove, the roller is rotatably connected to the rotating groove, and the display screen is slidably connected to the movable groove.

[0009] Preferably, the knob and the slot are rotatably connected, the irregular plate and the storage tank are slidably connected, the slot and the storage tank are interconnected, the slots are evenly distributed on the irregular plate, and the knob and the slots are meshing.

[0010] Preferably, the horizontal position of screw hole two is the same as that of screw hole one, and screw hole two passes through the connecting box.

[0011] Preferably, the switch assembly comprises a motor, a threaded rod, a movable slot and an intercepting door, the inner part of the left vertical box and the right vertical box is fixedly provided with a motor respectively, the output shaft of the motor is fixedly connected with a threaded rod, the outer side of the threaded rod is provided with an intercepting door, and the outer side of the intercepting door is provided with a human body sensor.

[0012] Preferably, the intercepting door is in threaded connection with the threaded rod, the intercepting door is in sliding connection with the movable slot, and the installation direction of the motor in the left vertical box is opposite to that of the motor in the right vertical box.

[0013] Preferably, the outer side of the left vertical box and the right vertical box is fixedly provided with a base respectively, a plurality of screw holes three are formed in the outer side of the base, and the inner side of the screw hole three is provided with an expansion bolt.

[0014] The utility model discloses beneficial effects:

[0015] When the subway safety protection door with the anti-pinch structure is used, the safety specification is played through the display screen, the train is prompted to arrive, the human body sensor is arranged, and when the intercepting door moves, observation is carried out, when foreign matters are found, the motor stops rotating, the intercepting door is prevented from continuing to advance and pinching passengers, when scarves and other clothes are mistakenly pinched, the roller rotates, and passengers can conveniently take out the clothes, safety hazards are prevented, when large-size articles are mistakenly pinched, the movable column slides into the sliding groove, passengers can conveniently take out the articles, after the articles are taken out, the movable column rebounds and resets under the action of the reset spring, continues to perform the intercepting task, the safety performance of the device is improved, the left vertical box and the right vertical box can be used alone or in combination, when used in combination, the knob on the right vertical box is rotated, the meshing connection of the knob and the clamping groove makes the special-shaped plate move out of the storage groove, the connecting box on the other left vertical box is aligned and inserted into the special-shaped plate, the special-shaped groove and the special-shaped plate are clamped, the screw is screwed into the screw hole two and the screw hole one and is installed, the applicability and the connection stability of the device are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The three-dimensional structure schematic diagram of the subway safety protection door with the anti-pinch structure is shown.

[0017] Figure 2 The movable column three-dimensional structure schematic diagram of the subway safety protection door with the anti-pinch structure is shown.

[0018] Figure 3 The left vertical box cross section three-dimensional structure schematic diagram of the subway safety protection door with the anti-pinch structure is shown.

[0019] Figure 4 The right vertical box cross section three-dimensional structure schematic diagram of the subway safety protection door with the anti-pinch structure is shown.

[0020] Explanation of reference signs: 1, left vertical box; 21, motor; 22, threaded rod; 23, movable groove; 24, intercepting door; 3, human body sensor; 41, sliding groove; 42, return spring; 43, movable column; 44, rotating groove; 45, roller; 46, display screen; 5, right vertical box; 61, slot; 62, knob; 63, storage groove; 64, special-shaped plate; 65, clamping groove; 66, screw hole one; 71, connecting box; 72, special-shaped groove; 73, screw hole two; 8, base; 9, expansion bolt; 10, screw hole three. DETAILED DESCRIPTION

[0021] The utility model is further explained below in combination with the drawings and examples.

[0022] Please refer to Figure 1 With Figure 2 , the utility model provides an embodiment: subway safety protection door with anti -pinching structure, including left vertical box 1, human body sensor 3, switch component, right vertical box 5, base 8, expansion bolt 9, screw hole three 10, sliding groove 41, return spring 42, movable column 43, rotating groove 44, roller 45, display screen 46, slot 61, knob 62, storage groove 63, special-shaped plate 64, clamping groove 65, screw hole one 66, connecting box 71, special-shaped groove 72 and screw hole two 73, and the inside of left vertical box 1 and right vertical box 5 are provided with movable groove 23 respectively, the inside of movable groove 23 is provided with intercepting door 24, sliding groove 41 is set up at the outside of intercepting door 24, one end of return spring 42 is fixedly connected with the inside of sliding groove 41, the other end of return spring 42 is fixedly connected with movable column 43, rotating groove 44 is set up at the outside of movable column 43, the inside of rotating groove 44 is provided with roller 45, the outside of intercepting door 24 is provided with display screen 46, the upper end surface of right vertical box 5 is provided with slot 61, the inside of slot 61 is provided with knob 62, the outside of right vertical box 5 is provided with storage groove 63, the inside of storage groove 63 is provided with special-shaped plate 64, the upper end surface of special-shaped plate 64 is provided with clamping groove 65, the both sides of special-shaped plate 64 are provided with screw hole one 66, the outside of left vertical box 1 is provided with connecting box 71, special-shaped groove 72 is set up at the outside of connecting box 71, the both sides of connecting box 71 are provided with screw hole two 73, return spring 42 is provided with multiple groups equidistantly in sliding groove 41, movable column 43 and sliding groove 41 are slidingly connected, roller 45 and rotating groove 44 are rotationally connected, display screen 46 and movable groove 23 are slidingly connected, when scarf and other clothes are misclipped, roller 45 rotates to facilitate passenger to draw out clothes, prevent the emergence of security risk, when the bulky article is misclipped, movable column 43 slides into sliding groove 41, and it is convenient for passenger to draw out article, and after the article is drawn out, movable column 43 rebounds and resets under the action of return spring 42, continues to perform the intercepting task, the installation width of movable column 43 is not more than six centimeters, and the installation height of movable column 43 is not more than ten centimeters from the ground, prevent passenger from squeezing or drilling into the station, and show train state through display screen 46;

[0023] Please refer to Figure 3 With Figure 4 In this embodiment, the knob 62 is rotatably connected with the slot 61, the special-shaped plate 64 is slidably connected with the storage slot 63, the slot 61 and the storage slot 63 are connected with each other, the clamping grooves 65 are equidistantly distributed on the special-shaped plate 64, the knob 62 is meshingly connected with the clamping grooves 65, the horizontal position of the second screw hole 73 is consistent with the horizontal position of the first screw hole 66, the second screw hole 73 penetrates through the connecting box 71, the outer sides of the left vertical box 1 and the right vertical box 5 are respectively fixedly installed with the bases 8, a plurality of third screw holes 10 are formed in the outer side of the base 8, the inner side of the third screw hole 10 is provided with the expansion bolts 9, the left vertical box 1 and the right vertical box 5 are placed in the standard position, the expansion bolts 9 are inserted into the third screw holes 10, the base 8 is tightly connected with the ground, when the device is used in combination, the knob 62 on the right vertical box 5 is rotated, the special-shaped plate 64 is moved out of the storage slot 63 through the meshing connection between the knob 62 and the clamping grooves 65, the connecting box 71 on the other left vertical box 1 is inserted into the special-shaped plate 64, the special-shaped groove 72 is clamped with the special-shaped plate 64, and the device is installed by screwing the second screw hole 73 and the first screw hole 66, so that the applicability and the connection stability of the device are improved;

[0024] Please refer to Figures 1 to 4 In this embodiment, the switch assembly includes the motor 21, the threaded rod 22, the movable slot 23 and the intercepting door 24, the inner sides of the left vertical box 1 and the right vertical box 5 are respectively fixedly installed with the motors 21, the output shafts of the motors 21 are fixedly connected with the threaded rods 22, the outer sides of the threaded rods 22 are provided with the intercepting doors 24, the outer sides of the intercepting doors 24 are provided with the human body sensors 3, the intercepting doors 24 are threadedly connected with the threaded rods 22, the intercepting doors 24 are slidably connected with the movable slots 23, the installation directions of the motors 21 in the left vertical box 1 and the right vertical box 5 are opposite, when the train is about to enter the station, the display screen 46 starts to play the safety specification and prompt the arrival of the train, when the device is closed, the motor 21 is started to drive the threaded rod 22 to rotate, the intercepting door 24 is moved under the limitation of the movable slot 23 through the threaded connection between the threaded rod 22 and the intercepting door 24, so that the function of automatic opening and closing of the device is realized, the human body sensor 3 is provided to observe when the intercepting door 24 moves, when foreign matter is found, the motor 21 is stopped to rotate, so that the intercepting door 24 is prevented from continuing to move forward and clamping the passenger;

[0025] In the process of working, first install the device, put the left stand 1 and the right stand 5 in the standard position, use the drilling device to drill the ground corresponding to the screw hole three 10, insert the plurality of expansion bolts 9 into the screw hole three 10, make the base 8 fit the ground tightly, the left stand 1 and the right stand 5 can be used alone or in combination, when used in combination, rotate the knob 62 on the right stand 5, through the meshing connection of the knob 62 and the clamping groove 65, make the special-shaped plate 64 move out of the storage groove 63, insert the connecting box 71 on the other left stand 1 into the special-shaped plate 64, make the special-shaped groove 72 and the special-shaped plate 64 clamped, install through the screw into the screw hole two 73 and the screw hole one 66, improve the applicability and connection stability of the device.

[0026] When the train is about to enter the station, the display screen 46 starts playing the safety specification, prompting the arrival of the train, the motor 21 starts to drive the threaded rod 22 to rotate, through the threaded connection of the threaded rod 22 and the intercepting door 24, the intercepting door 24 moves under the limiting of the movable slot 23, realizes the function of the device switch, through the setting of the human body sensor 3, when the intercepting door 24 moves, it is observed, when foreign matter is found, the motor 21 stops rotating, preventing the intercepting door 24 from continuing to move and clamping the passenger.

[0027] When the device is closed, the roller 45 on the left stand 1 is attached to the roller 45 on the right stand 5, the installation width of the movable column 43 is not more than six centimeters, the installation height of the movable column 43 is not more than ten centimeters from the ground, preventing passengers from squeezing or drilling into the station, when scarves and other clothes are clamped by mistake, the roller 45 rotates to facilitate passengers to pull out the clothes, preventing safety hazards, when the volume of the clamped object is large, the movable column 43 slides into the sliding groove 41, facilitating passengers to pull out the object, and after the object is pulled out, the movable column 43 rebounds under the action of the reset spring 42, continues to perform the interception task, improves the safety performance of the device.

[0028] Through the above steps, through the rotation of the roller 45, the passenger can easily pull out the clothes, preventing safety hazards, through the sliding of the movable column 43 into the sliding groove 41, the passenger can easily pull out the object, improving the safety performance of the device, rotating the knob 62 on the right stand 5, making the special-shaped plate 64 move out of the storage groove 63, inserting the connecting box 71 on the other left stand 1 into the special-shaped plate 64, making the special-shaped groove 72 and the special-shaped plate 64 clamped, installing through the screw into the screw hole two 73 and the screw hole one 66, improving the applicability and connection stability of the device.

[0029] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to the above-mentioned embodiments, within the knowledge range of the person skilled in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. A subway safety door with an anti-pinch structure, comprising a left upright box (1), a human body sensor (3), a switch assembly, a right upright box (5), a base (8), expansion bolts (9), and screw holes (10); characterized in that: It also includes a slide groove (41), a return spring (42), a movable column (43), a rotating groove (44), a roller (45), a display screen (46), a slot (61), a knob (62), a storage compartment (63), a shaped plate (64), a card slot (65), a screw hole one (66), a connecting box (71), a shaped groove (72), and a screw hole two (73); the left upright box (1) and the right upright box (5) are respectively provided with movable grooves (23), the inner side of the movable groove (23) is provided with an intercepting door (24), the outer side of the intercepting door (24) is provided with a slide groove (41), the inner side of the slide groove (41) is fixedly connected to one end of the return spring (42), the other end of the return spring (42) is fixedly connected to the movable column (43), the movable... A rotating groove (44) is provided on the outer side of the column (43), and a roller (45) is provided on the inner side of the rotating groove (44). A display screen (46) is provided on the outer side of the intercepting door (24). A slot (61) is provided on the upper surface of the right vertical box (5), and a knob (62) is provided on the inner side of the slot (61). A storage trough (63) is provided on the outer side of the right vertical box (5), and a shaped plate (64) is provided on the inner side of the storage trough (63). A slot (65) is provided on the upper surface of the shaped plate (64). A screw hole (66) is provided on both sides of the shaped plate (64). A connecting box (71) is provided on the outer side of the left vertical box (1), and a shaped groove (72) is provided on the outer side of the connecting box (71). A screw hole (73) is provided on both sides of the connecting box (71).

2. The subway safety door with an anti-pinch structure according to claim 1, characterized in that: Multiple sets of reset springs (42) are equidistantly arranged in the slide groove (41). The movable column (43) is slidably connected to the slide groove (41), the roller (45) is rotatably connected to the rotating groove (44), and the display screen (46) is slidably connected to the movable groove (23).

3. The subway safety door with an anti-pinch structure according to claim 1, characterized in that: The knob (62) and the slot (61) are rotatably connected, the irregular plate (64) and the storage tank (63) are slidably connected, the slot (61) and the storage tank (63) are connected to each other, the slots (65) are evenly distributed on the irregular plate (64), and the knob (62) and the slots (65) are meshing.

4. The subway safety door with an anti-pinch structure according to claim 1, characterized in that: The horizontal position of screw hole 2 (73) is the same as that of screw hole 1 (66), and screw hole 2 (73) passes through the connecting box (71).

5. The subway safety door with an anti-pinch structure according to claim 1, characterized in that: The switch assembly includes a motor (21), a threaded rod (22), a movable slot (23), and a blocking door (24). The motor (21) is fixedly installed inside the left upright box (1) and the right upright box (5). The output shaft of the motor (21) is fixedly connected to the threaded rod (22). The blocking door (24) is provided on the outside of the threaded rod (22). The human body sensor (3) is provided on the outside of the blocking door (24).

6. The subway safety door with an anti-pinch structure according to claim 5, characterized in that: The intercepting door (24) and the threaded rod (22) are threadedly connected, and the intercepting door (24) and the movable groove (23) are slidably connected. The motor (21) in the left vertical box (1) and the motor (21) in the right vertical box (5) are installed in opposite directions.

7. The subway safety door with an anti-pinch structure according to claim 1, characterized in that: The left upright box (1) and the right upright box (5) are respectively fixedly installed with bases (8). Multiple screw holes (10) are opened on the outside of the bases (8), and expansion bolts (9) are provided on the inside of the screw holes (10).