CN219387611U

CN219387611U - Platform screen door

Info

Publication number: CN219387611U
Application number: CN202223322669.1U
Authority: CN
Inventors: 包慧雯
Original assignee: Southwest Jiaotong University Hope College
Current assignee: Southwest Jiaotong University Hope College
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-07-21
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a platform screen door which comprises two front side door bodies, wherein rectangular grooves are vertically formed in the end faces of the two front side door bodies, which are opposite to each other, rear side door bodies are slidably arranged in each rectangular groove, a plurality of shock absorbers are arranged between the bottoms of the rectangular grooves and the rear side door bodies, and anti-collision rubber gaskets are arranged on the opposite end faces of the two front side door bodies. Through setting up two door body slip cap and establish the structure to regard as buffering and resilience part by the bumper shock absorber, make the shield door front end have certain elasticity, crashproof cushion is as front end protection device, can reduce the impact force when being cliied by the door, reaches the effect that can make the passenger that is pressed from both sides the clothing by the shield door can take out in the very first time.

Description

Platform screen door

Technical Field

The utility model relates to the field of station platform equipment, in particular to a platform screen door.

Background

When the subway is about to drive off the station, the platform shielding door is closed before the vehicle door, at the moment, if the traffic is too large, some passengers pass through the platform shielding door when the subway is about to be closed, the hanging parts, the backpacks or the clothes carried by the passengers are easily clamped by the shielding door, and the passengers can only be separated after being clamped and waiting for the workers to help, so that dangerous or inconvenient conditions are caused. The prior platform screen door is generally formed by a whole door plate, has no telescopic function or elastic structure and further has no anti-clamping device, so that further improvement is needed on the basis of the prior screen door.

Disclosure of Invention

The utility model provides a platform screen door, which has an anti-clamping structure and can solve the problem that the screen door clamps to clothes, backpacks or pendants of passengers when the passengers pass through.

The utility model is realized by the following technical scheme:

the platform screen door comprises two front side door bodies, wherein rectangular grooves are vertically formed in the end faces of the two front side door bodies, which are opposite to each other, rear side door bodies are slidably arranged in each rectangular groove, the bottoms of the rectangular grooves are connected with the rear side door bodies through a plurality of shock absorbers, and anti-collision rubber gaskets are arranged on the opposite end faces of the two front side door bodies; the control mechanism is arranged on the upper wall of the platform door opening and is used for driving the two rear side door bodies to open and close.

The shielding door adopts two door bodies to be connected in a sliding way, and is provided with the shock absorber as an elastic recovery device, if a person is clamped, the door body can shrink along with extrusion, so that the person can pull out the clamped part to break away from danger. And the anti-collision rubber cushion can buffer partial pressure at the first time, so that the damage of the impact belt to the human body is reduced.

The upper side inner wall and the downside inner wall of rectangle recess all are equipped with pulley assembly, the upper end and the lower extreme of back side door body all are equipped with the spout, pulley assembly slides and sets up in the spout. The pulley assembly is hidden in the door body, so that the attractive appearance is ensured, and the damage of dust or collision to the pulley assembly is reduced.

The pulley assembly comprises a pulley frame and a first pulley vertically arranged on the pulley frame, wherein a second pulley and a third pulley are symmetrically arranged on two sides of the first pulley, the second pulley and the third pulley are transversely arranged, and the pulley frame is arranged on the inner wall of the upper side of the rectangular groove. The pulley assembly can ensure that the pulley assembly slides on three contact surfaces simultaneously, can maximally reduce friction resistance between the pulley and the sliding groove, can reduce abrasion of parts, and can realize smooth sliding in a mute manner.

The end of each chute, which is close to the bottom of the rectangular groove, is provided with a baffle, each baffle comprises a fixed plate, the fixed plates are connected with movable plates through springs, and the movable plates are arranged in the chute.

Preferably, the fixing plate is an L-shaped plate, one end of the fixing plate is fixed at the edge position of the upper end or the lower end of the rear side door body by bolts, so that the other end of the fixing plate can be kept vertical and is connected with the edge of the door body. When the movable plate is used, when the weight of the front side door body and the weight of the rear side door body are minimum, the baffle acts on the pulley assembly to prevent the two door bodies from falling off, and the baffle and the pulley assembly are elastically contacted by the spring and the movable plate, so that the impact on the pulley assembly is reduced.

The shock absorber comprises a spring and a pulling compression bar sleeved on the spring, the end part of the pulling compression bar is arranged at the bottom of the rectangular groove, one end of the spring is arranged on the pulling compression bar, and the other end of the spring is arranged on the end face of the rear side door body, which is close to the anti-collision rubber cushion.

The shock absorber can play roles in buffering, rebounding and the like, when the front side door body and the rear side door body move relatively, the shock absorber can buffer, so that the shock absorber changes stably, and when external force disappears, the shock absorber can recover the door body to an original state by utilizing the rebounding function of the shock absorber.

The control mechanism comprises a controller, a motor and two gears which are arranged side by side, wherein the controller is electrically connected with the motor, the output end of the motor is connected with the center of any one gear, a chain is wound on the gear, a first hanging wheel is clamped on a chain conveying section positioned on the upper layer, a second hanging wheel is clamped on a chain conveying section positioned on the lower layer, the first hanging wheel is connected with one rear side door body, and the second hanging wheel is connected with the other rear side door body.

The controller sends out a door opening or closing instruction, and the motor rotates forwards or reversely to drive the two hanging wheels to move far away or close to drive the door body to open or close.

The train further comprises an outer receiver and a plurality of infrared transmitters matched with the outer receiver, each infrared transmitter is arranged on each train, the infrared receiver is arranged on the front side door body, and the infrared receiver is electrically connected with the controller. The infrared receiver is used for detecting whether the vehicle stops standing or not, when the train does not stop standing, the infrared receiver can not receive the infrared signal, the shielding door is closed, when the train stops standing, the infrared transmitter on the train is aligned with the infrared receiver on the shielding door, the infrared receiver receives the infrared signal, the controller sends out a door opening command, and the shielding door is opened.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

according to the platform shielding door provided by the utility model, the two door bodies are arranged in a sliding sleeve structure, the shock absorber is used as the buffering and rebound part, so that the front end of the shielding door has certain elasticity, the anti-collision rubber cushion is used as the front end protection device, the impact force when being clamped by the door can be reduced, and the effect that passengers clamped by the shielding door to clothes can be pulled out in the first time can be achieved.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model. In the drawings:

FIG. 1 is a schematic diagram of example 1;

FIG. 2 is a top view of example 1;

FIG. 3 is an enlarged view of A in FIG. 1;

FIG. 4 is a side view of example 1;

fig. 5 is an enlarged view of the pulley assembly of embodiment 1;

in the drawings, the reference numerals and corresponding part names:

the novel anti-collision device comprises a front side door body, a rear side door body, a 3-rectangular groove, a 4-pulley frame, a 5-shock absorber, a 6-anti-collision rubber mat, a 7-pulley assembly, an 8-sliding groove, a 9-first pulley, a 10-second pulley, a 11-third pulley, a 12-fixed plate, a 13-movable plate, a 14-first hanging wheel, a 15-spring, a 16-pulling pressure rod, a 17-control mechanism, a 18-controller, a 19-motor, a 20-gear, a 21-chain and a 22-second hanging wheel.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.

Example 1

As shown in fig. 1-5, the present embodiment includes two front side door bodies 1, rectangular grooves 3 are vertically arranged on opposite end surfaces of the two front side door bodies 1, rear side door bodies 2 are slidably arranged in each rectangular groove 3, the bottoms of the rectangular grooves 3 and the rear side door bodies 2 are connected through a plurality of shock absorbers 5, and anti-collision rubber pads 6 are arranged on opposite end surfaces of the two front side door bodies 1; and the control mechanism 17 is arranged on the upper wall of the platform door opening and is used for driving the two rear side door bodies 2 to open and close.

Preferably, the difference in the cross-sectional sizes of the front side door body 1 and the rear side door body 2 is not more than 2 cm, so that the rectangular groove 3 is also large enough to accommodate the sliding end of the rear side door body 2, and besides the sleeving manner of the embodiment, the rear side door body 2 can also be sleeved on the front side door body 1, but the arrangement exposes the gap between the two door bodies, so that the hidden danger of gap clamping exists, and the sleeving manner of the embodiment can avoid the problem. The number of the dampers 5 can be determined according to the size of the door body and the strength of the dampers 5, and 4 springs 15 are adopted in the embodiment to reduce the vibration of the dampers 5.

The upper side inner wall and the lower side inner wall of the rectangular groove 3 are respectively provided with a pulley component 7, the upper end and the lower end of the rear side door body 2 are respectively provided with a chute 8, and the pulley components 7 are slidably arranged in the chute 8. Preferably, the length of the chute 8 should be equal to the length of the front side door body 1 minus the shortest length of the damper 5. The pulley assembly 7 is arranged at the top of the front side door body 1 and is best near the positions of the two side edges, so that the pulley assembly 7 is always inside the sliding chute 8 in the whole sliding process, and the two door bodies can only relatively move along the sliding chute 8, so that the operation safety of the shielding door is ensured.

The pulley assembly 7 comprises a pulley frame 4 and a first pulley 9 vertically arranged on the pulley frame 4, wherein a second pulley 10 and a third pulley 11 are symmetrically arranged on two sides of the first pulley 9, the second pulley 10 and the third pulley 11 are transversely arranged, and the pulley frame 4 is arranged on the upper inner wall of the rectangular groove 3. The first pulley 9 acts on the bottom of spout 8, and second pulley 10 and third pulley 11 act on the both sides wall of spout 8 respectively, compares ordinary pulley and is equipped with only one pulley that acts on the spout 8 bottom, and this pulley assembly 7 operation is more stable, receives the frictional force less, also can play the effect of silence simultaneously.

The end of each chute 8, which is close to the bottom of the rectangular groove 3, is provided with a baffle, each baffle comprises a fixed plate 12, the fixed plates 12 are connected with a movable plate 13 through springs 15, and the movable plates 13 are arranged in the chute 8.

The baffle plate is used for preventing the front door body and the rear door body from slipping, and is convenient to detach and maintain.

The shock absorber 5 comprises a spring 15 and a pulling compression bar 16 sleeved on the spring 15, the end part of the pulling compression bar 16 is arranged at the bottom of the rectangular groove 3, one end of the spring 15 is arranged on the pulling compression bar 16, and the other end of the spring 15 is arranged on the end face of the rear side door body 2, which is close to the anti-collision rubber cushion 6.

Preferably, the damper 5 is connected to the front side door body 1 and the rear side door body 2 through bolts, so that the disassembly and the maintenance are convenient.

The control mechanism 17 comprises a controller 18, a motor 19 and two gears 20 which are arranged side by side, wherein the controller 18 is electrically connected with the motor 19, the output end of the motor 19 is connected with the center of any one gear 20, a chain 21 is wound on the gears, a first hanging wheel 14 is clamped on a conveying section of the chain 21 positioned on the upper layer, a second hanging wheel 22 is clamped on a conveying section of the chain 21 positioned on the lower layer, the first hanging wheel 14 is connected with one rear side door body 2, and the second hanging wheel 22 is connected with the other rear side door body 2.

The hanging wheel 14 hangs the door body, can reduce the friction of the door body and ground, makes the resistance that the slip of shield door received less, and motor 19 drive gear rotates, and the chain drives hanging wheel 14 displacement, can guarantee the synchronous symmetry that the shield door moved, and the controller 18 is then used for receiving, handling and sending the instruction.

And the train further comprises an infrared receiver and a plurality of paired infrared transmitters, each infrared transmitter is arranged on each train, the infrared receiver is arranged on the front side door body 1, and the infrared receiver is electrically connected with the controller 18. The infrared receiver is also connected with a battery module and a comparator circuit, and signals received by the receiver are amplified by the comparator circuit and then transmitted to the controller 18. The effective detection distance of infrared sensing is 2-30 cm, and the working voltage is 3.3V-5V.

Claims

1. A platform screen door, characterized by: the anti-collision device comprises two front side door bodies (1), wherein rectangular grooves (3) are vertically formed in the end faces of the two front side door bodies (1) which are opposite to each other, rear side door bodies (2) are slidably arranged in each rectangular groove (3), the bottoms of the rectangular grooves (3) are connected with the rear side door bodies (2) through a plurality of shock absorbers (5), and anti-collision rubber gaskets (6) are arranged on the opposite end faces of the two front side door bodies (1); the control mechanism (17) is arranged on the upper wall of the platform door opening and is used for driving the two rear side door bodies (2) to open and close.

2. A platform screen door according to claim 1, wherein: the upper side inner wall and the lower side inner wall of the rectangular groove (3) are respectively provided with a pulley component (7), the upper end and the lower end of the rear side door body (2) are respectively provided with a chute (8), and the pulley components (7) are slidably arranged in the chute (8).

3. A platform screen door according to claim 2, wherein: the pulley assembly (7) comprises a pulley frame (4) and a first pulley (9) vertically arranged on the pulley frame (4), wherein a second pulley (10) and a third pulley (11) are symmetrically arranged on two sides of the first pulley (9), and the second pulley (10) and the third pulley (11) are transversely arranged.

4. A platform screen door according to claim 2, wherein: every the tip that is close to of spout (8) rectangle recess (3) bottom all is equipped with the baffle, every the baffle includes fixed plate (12), fixed plate (12) are connected with fly leaf (13) through spring (15), fly leaf (13) all set up in spout (8).

5. A platform screen door according to claim 1, wherein: the shock absorber (5) comprises a spring (15) and a pulling compression bar (16) sleeved on the spring (15), the end part of the pulling compression bar (16) is arranged at the bottom of the rectangular groove (3), one end of the spring (15) is arranged on the pulling compression bar (16), and the other end of the spring (15) is arranged on the end face of the rear side door body (2) close to the anti-collision rubber cushion (6).

6. A platform screen door according to any one of claims 1 to 5, wherein: the control mechanism (17) comprises a controller (18), a motor (19) and two gears (20) which are arranged side by side, wherein the controller (18) is electrically connected with the motor (19), the output end of the motor (19) is connected with the center of any one gear (20), a chain (21) is wound on the gear, a first hanging wheel (14) is clamped on a conveying section of the chain (21) positioned on the upper layer, a second hanging wheel (22) is clamped on a conveying section of the chain (21) positioned on the lower layer, the first hanging wheel (14) is connected with one rear side door body (2), and the second hanging wheel (22) is connected with the other rear side door body (2).

7. A platform screen door according to claim 1, wherein: the train is characterized by further comprising an infrared receiver and a plurality of infrared transmitters matched with the infrared receiver, wherein each infrared transmitter is arranged on each train, the infrared receiver is arranged on the front side door body (1), and the infrared receiver is electrically connected with the controller (18).