CN213734973U

CN213734973U - Subway door safety device

Info

Publication number: CN213734973U
Application number: CN202022954664.5U
Authority: CN
Inventors: 马俊龙; 沙金; 蔡茂盛; 杨彦江
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-07-20
Anticipated expiration: 2030-12-08

Abstract

The utility model relates to a vehicle safety protection technical field discloses a subway car door safety device, including the installation box that top and front end are the opening setting, be provided with the backup pad in the installation box, the left and right sides of backup pad is all movably provided with the lead screw, the one end of lead screw is located the backup pad rear side, the other end of lead screw and the extension board swing joint who sets up on the medial surface of the left and right sides of installation box, be provided with the drive assembly that drives the lead screw rotation in the installation box of backup pad rear end, the drive assembly is connected with the controller of control subway door switch, be provided with the sliding block on the lead screw, the sliding block top is provided with protective steel plate, be provided with the direction supporting component between protective steel plate bottom and the installation box bottom surface, and the direction supporting component is located between two lead screws of the left and right sides; the installation box body is arranged in an accommodating groove formed below a subway door; the utility model discloses, can reduce the emergence of potential safety hazard, promote the security when passenger takes the car.

Description

Subway door safety device

Technical Field

The utility model relates to a vehicle safety protection technical field especially relates to a subway door safety device.

Background

The subway is a rapid, large-traffic and electric power traction rail transit built in cities; because the subway is built underground, the occupation of land can be saved, meanwhile, the subway also has the advantages of reducing noise, reducing interference, saving energy and the like, and is taken as an ideal mass transportation tool by some large and medium-sized cities; after the existing subway arrives at a station, when a vehicle door is opened, a certain gap exists between the vehicle door and the station, the phenomenon of stepping on the air easily occurs when the passenger flow is large, and particularly, large potential safety hazards exist for children and women with small figures, and in addition, the situation that a mobile wallet of a passenger drops from the gap carelessly due to operation can also occur, so that inconvenience is brought to the traveling experience of the passenger.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a subway car door safety device can solve the subway and arrive the station after, takes place to step on empty phenomenon when the passenger gets on or off the bus, reduces the emergence of potential safety hazard, promotes the security when passenger takes the bus.

The utility model provides a following technical scheme:

a safety protection device for a subway car door comprises an installation box body with openings at the top end and the front end, a support plate is arranged in the installation box body, lead screws are movably arranged on the left side and the right side of the support plate, one end of each lead screw is positioned on the rear side of the support plate, the other end of each lead screw is movably connected with a support plate arranged on the inner side surface of the left side and the right side of the installation box body, a driving assembly for driving the lead screws to rotate is arranged in the installation box body at the rear end of the support plate, the driving assembly is connected with a controller for controlling opening and closing of the subway car door, sliding blocks are arranged on the lead screws, a protection steel plate is arranged at the top ends of the sliding blocks, a guide support assembly is arranged between the bottom ends of the protection steel plates and the bottom surface of the installation box body, and the guide support assembly is positioned between the left lead screw and the right lead screws; wherein the mounting box body is arranged in an accommodating groove arranged below the subway door.

The driving assembly comprises a driving motor arranged on one side inside the installation box body, the driving motor is connected with a rotating shaft through a coupler, one end, away from the coupler, of the rotating shaft is movably connected with a supporting block arranged on the inner side face of the installation box body, driven bevel gears are arranged on each lead screw located on the rear side of the supporting plate and meshed with driving bevel gears arranged on the rotating shaft, and the driving motor is connected with a controller for controlling the opening and closing of the subway car door.

The direction supporting component be provided with two left and right sides that are located the installation box respectively.

The direction supporting component including setting up the I-shaped steel roof beam on the installation box bottom surface, the protection steel sheet bottom is provided with the direction support frame, the left and right sides of direction support frame bottom all is provided with the walking gyro wheel, the walking gyro wheel is located the recess of the I-shaped steel roof beam left and right sides.

The height of the supporting plate is not lower than the sum of the heights of the protective steel plate and the sliding block, the rear end of the protective steel plate is provided with a buffer spring, and one end, far away from the protective steel plate, of the buffer spring is provided with a buffer plate.

The front end of the protective steel plate is provided with a mounting groove, and a rubber cushion block matched with the mounting groove is arranged in the mounting groove.

Ball bearings are arranged between the screw rod and the support plate and between the rotating shaft and the support block.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a drive assembly's optimization sets up, can provide stable power to the back-and-forth movement of protection steel sheet, ensures the stability that the protection steel sheet removed along with the rotation of lead screw.

Further, the optimization setting of direction supporting component can provide the guide effect for the removal of protection steel sheet on the one hand, and on the other hand can provide certain supporting role for the protection steel sheet, and the dispersion protection steel sheet promotes at the pressure that the sliding block receives in the use the utility model discloses a practicality, the life of extension sliding block.

Further, the setting of buffer spring and buffer board can be for the protection steel sheet provide the cushioning effect at the in-process that removes to the install bin inside, avoids protection steel sheet and the direct bump of backup pad, the extension the utility model discloses a life.

Drawings

FIG. 1 is a view of the installation position of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a side view of the present invention.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings:

as shown in fig. 1 to 4, the utility model discloses a subway door safety device, including the installation box 1 that top and front end are the opening setting, installation box 1 sets up in the holding groove 2 that sets up below the subway door, installation box 1 top sets up the opening and is convenient for later maintenance and repair, the front end sets up the opening, can be after the subway arrives at a station, be convenient for protection steel sheet 3 with the rotation of lead screw 4 progressively remove to the subway platform from installation box 1, shelter from the gap between subway door and the platform, ensure passenger's safety when getting on or off the bus, avoid the passenger to hand-carry article because of the accident simultaneously, and the risk that falls from the gap between subway door and the platform; the mounting box body 1 is internally provided with a supporting plate 5, the left side and the right side of the supporting plate 5 are both movably provided with a screw rod 4, the screw rod 4 is provided with a sliding block 6, the top end of the sliding block 6 is provided with a protective steel plate 3, one end of the screw rod 4 is positioned at the rear side of the supporting plate 5, the other end of the screw rod 4 is movably connected with a support plate 7 arranged on the inner side surfaces of the left side and the right side of the mounting box body 1, the mounting box body 1 at the rear end of the supporting plate 5 is internally provided with a driving component for driving the screw rod 4 to rotate, the driving component is connected with a controller for controlling the opening and closing of a subway car door, the controller can start a driving motor 8 in the driving component to rotate while controlling the opening and closing of the subway car door, so that the protective steel plate 3 is driven by the driving motor 8 to move, and the distance between the car door and a platform is smaller than the transverse distance of the car door, so that the protective steel plate 3 can be opened before the car door is completely, the contact with the platform is completed, so that the protection effect on passengers is achieved; the driving assembly is used for driving the screw rod 4 to rotate so as to drive the protective steel plate 3 to move, the driving assembly comprises a driving motor 8 arranged on one side inside the installation box body 1, the driving motor 8 is connected with a rotating shaft 10 through a coupler 9, one end, far away from the coupler 9, of the rotating shaft 10 is movably connected with a supporting block 11 arranged on the inner side surface of the installation box body 1, a driven bevel gear 12 is arranged on each screw rod 4 located on the rear side of the supporting plate 5, and the driven bevel gear 12 is meshed with a driving bevel gear 13 arranged on the rotating shaft 10; during operation, drive axis of rotation 10 through opening driving motor 8 and rotate to drive driven bevel gear 12 by setting up initiative bevel gear 13 in axis of rotation 10 and rotate, and then drive lead screw 4 and rotate, drive sliding block 6 that sets up on lead screw 4 along with the rotation of lead screw 4 and remove, finally drive the protection steel sheet 3 that sets up on the sliding block and remove.

A guide supporting component is arranged between the bottom end of the protective steel plate 3 and the bottom surface of the installation box body 1, and is positioned between the left lead screw 4 and the right lead screw 4, preferably, the guide supporting component is provided with two left sides and two right sides which are respectively positioned in the installation box body 1 and are positioned between the left lead screw 4 and the right lead screw 4; the direction supporting component can provide the support guide effect for the removal of protection steel sheet 3, and the direction supporting component is including setting up I-shaped steel roof beam 14 on the 1 bottom surface of installation box, and 3 bottoms of protection steel sheet are provided with direction support frame 15, and the left and right sides of direction support frame 15 bottom all is provided with walking gyro wheel 16, and walking gyro wheel 16 is located the recess of the I-shaped steel roof beam 14 left and right sides.

In order to promote the utility model discloses a practicality, the utility model discloses still carry out following optimization:

the height of the supporting plate 5 is not lower than the sum of the heights of the protective steel plate 3 and the sliding block 6, so that the supporting plate 5 can provide a limiting effect for the protective steel plate 3 in the process of moving in the installation box body 1, the buffer spring 17 is arranged at the rear end of the protective steel plate 3, the buffer spring 17 is in an initial state, the buffer plate 18 is arranged at one end, away from the protective steel plate 3, of the buffer spring 17, the buffer spring 17 and the buffer plate 18 can provide a buffering effect for the protective steel plate 3 in the process of moving to the inside of the installation box, the protective steel plate 3 is prevented from directly colliding with the supporting plate 5, and the service life of the protective steel plate is prolonged; the front end of the protection steel plate 3 is provided with an installation groove 19, a rubber cushion block 20 matched with the installation groove 19 is arranged in the installation groove 19, and the rubber cushion block 20 can play a protection role for the front end of the protection steel plate 3, so that the phenomenon that the protection steel plate 3 and a platform are both abraded due to the fact that the protection steel plate 3 is directly contacted with the platform is avoided; all be provided with ball bearing between lead screw 4 and the extension board 7 and between axis of rotation 10 and the supporting shoe 11, ball bearing's setting can reduce the frictional force between lead screw 4 and the extension board 7 to and the frictional force between axis of rotation 10 and the supporting shoe 11, the extension the utility model discloses a life.

The utility model discloses a work flow does: after the subway arrives at a station, the controller can control the subway door to be opened, meanwhile, the controller can control the driving motor 8 to be started, then the driving motor 8 drives the driving bevel gear 13 arranged on the rotating shaft 10 to rotate, then the driving bevel gear 13 drives the driven bevel gear 12 to rotate, and further drives the screw rod 4 to rotate, at the moment, the sliding block 6 arranged on the screw rod 4 can drive the protective steel plate 3 to move towards the station, when the protective steel protective plate moves to be in contact with the wall body of the station, the controller controls the motor to stop running, when the subway needs to run, the subway door is controlled to be closed by the controller, the controller can simultaneously start the driving motor 8 to reversely run, and drive the protective steel plate 3 to shrink towards the interior of the installation box body 1, and after the protective steel plate 3 shrinks into the interior of the installation box body 1, the controller controls the driving motor 8 to stop running; the utility model discloses an in using, because the subway train of every circuit is different because of the model, the carriage height can have the difference, and the platform of every station is because the position is different, and the platform height all has slight difference simultaneously, so protection steel sheet 3 need not to overlap completely on the plane on platform top or with platform top parallel and level, be less than platform top plane slightly also, as long as the gap between subway door and the platform shelters from completely after protection steel sheet 3 stretches out, can prevent that the passenger from stepping on empty and prevent that article from falling can.

Claims

1. The utility model provides a subway door safety device which characterized in that: the subway door opening and closing device comprises an installation box body with an opening at the top end and the front end, wherein a supporting plate is arranged in the installation box body, lead screws are movably arranged on the left side and the right side of the supporting plate, one end of each lead screw is positioned on the rear side of the supporting plate, the other end of each lead screw is movably connected with a supporting plate arranged on the inner side surface of the left side and the right side of the installation box body, a driving assembly for driving the lead screws to rotate is arranged in the installation box body at the rear end of the supporting plate, the driving assembly is connected with a controller for controlling the opening and closing of a subway door, a sliding block is arranged on each lead screw, a protective steel plate is arranged at the top end of each sliding block, a guide supporting assembly is arranged between the bottom end of each protective steel plate and the bottom surface of the installation box body, and the guide supporting assembly is positioned between the left lead screw and the right lead screws; wherein the mounting box body is arranged in an accommodating groove arranged below the subway door.

2. The subway car door safety device of claim 1, wherein: the driving assembly comprises a driving motor arranged on one side inside the installation box body, the driving motor is connected with a rotating shaft through a coupler, one end, away from the coupler, of the rotating shaft is movably connected with a supporting block arranged on the inner side face of the installation box body, driven bevel gears are arranged on each lead screw located on the rear side of the supporting plate and meshed with driving bevel gears arranged on the rotating shaft, and the driving motor is connected with a controller for controlling the opening and closing of the subway car door.

3. The subway car door safety device of claim 1, wherein: the direction supporting component be provided with two left and right sides that are located the installation box respectively.

4. A subway door safety shield as claimed in claim 3, wherein: the direction supporting component including setting up the I-shaped steel roof beam on the installation box bottom surface, the protection steel sheet bottom is provided with the direction support frame, the left and right sides of direction support frame bottom all is provided with the walking gyro wheel, the walking gyro wheel is located the recess of the I-shaped steel roof beam left and right sides.

5. The subway car door safety device of claim 1, wherein: the height of the supporting plate is not lower than the sum of the heights of the protective steel plate and the sliding block, the rear end of the protective steel plate is provided with a buffer spring, and one end, far away from the protective steel plate, of the buffer spring is provided with a buffer plate.

6. The subway car door safety device of claim 1, wherein: the front end of the protective steel plate is provided with a mounting groove, and a rubber cushion block matched with the mounting groove is arranged in the mounting groove.

7. The subway car door safety device of claim 1, wherein: ball bearings are arranged between the screw rod and the support plate and between the rotating shaft and the support block.