CN210598665U

CN210598665U - Subway platform door based on rolling friction

Info

Publication number: CN210598665U
Application number: CN201920747797.XU
Authority: CN
Inventors: 周荷珍
Original assignee: Yilong Track Traffic Equipment Suzhou Co ltd
Current assignee: Yilong Track Traffic Equipment Suzhou Co ltd
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-05-22
Anticipated expiration: 2029-05-23

Abstract

The utility model relates to a subway equipment technical field especially relates to a subway platform door based on rolling friction, include: the device comprises a base, a top box and a fixed door body; a fixed door body and a movable door body are arranged between the base and the top box, and the fixed door body is connected with the base and the top box through screws; the top end of the movable door body is connected with the top box through a driving mechanism, and the bottom of the movable door body is connected with the base through a rolling device; the rolling device consists of a mounting seat, a wheel carrier, a roller and a buffer, and the mounting seat is connected with the movable door body through a screw; the wheel carrier is provided with a roller, and the roller is connected with the wheel carrier through a wheel shaft; one end of the wheel carrier is connected with the mounting seat through a pin shaft, and the other end of the wheel carrier is connected with the buffer through a pin shaft; through above structural improvement, have simple structure, use reliably, it is smooth to slide, is applicable to the advantage that the complex environment used to the effectual problem and the not enough that exist in having solved current device.

Description

Subway platform door based on rolling friction

Technical Field

The utility model relates to a subway equipment technical field especially relates to a subway platform door based on rolling friction.

Background

The subway platform door is also called as a subway shielding door, can separate a platform from a train operation area, and guarantees the absolute safety of trains and passengers when entering and leaving the station. The existing subway shield door mainly comprises a fixed door body, a movable door body and a base, wherein the movable door body can horizontally slide along the base under the control of a driving mechanism, so that passengers can conveniently get in and out.

At the in-process of the slip activity door body, the bottom of the activity door body directly contacts with the spout of base, and the frictional force that this kind of slip mode produced is great, is unfavorable for the smooth of the activity door body to open and close, though some activity door bodies slide mutually through gyro wheel and base at present, but at the in-process of passenger business turn over platform door, can bring dust impurity into the base in inevitable, and normal roll of gyro wheel can be hindered to this type of impurity, influences the smooth degree of use of the activity door body.

In view of the above, the present invention provides a subway platform door based on rolling friction, which aims to solve the problems and improve the practical value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a subway platform door based on rolling friction to the frictional force that produces at the slip mode that proposes in solving above-mentioned background art is great, is unfavorable for the smooth of the activity door body to open and close, at the in-process of passenger business turn over platform door, can bring dust impurity into the base in inevitable, and this type of impurity can hinder the normal roll of gyro wheel, influences the problem and the not enough of the smooth degree of use of the activity door body.

The purpose and the efficacy of the utility model are achieved by the following specific technical proposal:

a rolling friction based subway platform door comprising: the device comprises a base, a top box, a fixed door body, a movable door body, a driving mechanism, a rolling device, a mounting seat, a wheel carrier, a roller, a buffer, a barrel, a telescopic rod and a spring; a fixed door body and a movable door body are arranged between the base and the top box, and the fixed door body is connected with the base and the top box through screws; the top end of the movable door body is connected with the top box through a driving mechanism, and the bottom of the movable door body is connected with the base through a rolling device; the rolling device consists of a mounting seat, a wheel carrier, a roller and a buffer, and the mounting seat is connected with the movable door body through a screw; the wheel carrier is provided with a roller, and the roller is connected with the wheel carrier through a wheel shaft; one end of the wheel carrier is connected with the mounting seat through a pin shaft, and the other end of the wheel carrier is connected with the buffer through a pin shaft; the buffer is composed of a barrel, a telescopic rod and a spring, and one end of the telescopic rod is connected with the mounting seat through a pin shaft; the other end of the telescopic rod extends into the barrel, and the telescopic rod is connected with the barrel in a sliding mode.

As a further optimization of this technical scheme, the utility model relates to a subway platform door based on rolling friction set up the annular groove on the wheel face of gyro wheel, just the annular groove is located the centre of gyro wheel face.

As a further optimization of this technical scheme, the utility model relates to a subway platform door based on rolling friction the appearance of wheel carrier is the L shape, and the inboard appearance of wheel carrier is circular-arc.

As a further optimization of this technical scheme, the utility model relates to a subway platform door based on rolling friction the spring cup joints in the outside of telescopic link, and the telescopic link is connected with the barrel through the spring.

As a further optimization of this technical scheme, the utility model relates to a subway platform door based on rolling friction the appearance in base cross-section is "nearly" font, and seted up on the base with the activity door body matched with spout.

As a further optimization of this technical scheme, the utility model relates to a subway platform door based on rolling friction actuating mechanism comprises driving motor, the lead screw that is connected with driving motor, the axle bed that is used for supporting the lead screw and installs the slider on the lead screw, just the lead screw is for controlling the lead screw, the slider is connected with the movable door body through the screw.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

1. the utility model relates to a subway platform door has seted up the annular groove on the wheel face through the gyro wheel based on rolling friction, just the annular groove is located the setting of the centre of gyro wheel face, can reduce the area of contact of gyro wheel and spout bottom, can reduce the possibility that impurity hinders the gyro wheel motion to a certain extent.

2. The utility model relates to a subway platform door passes through the appearance of wheel carrier and is the L shape based on rolling friction, and the inboard appearance of wheel carrier is circular-arc setting, can reduce the possibility of wheel carrier deformation, makes the wheel carrier support reliable.

3. The utility model relates to a subway platform door cup joints in the outside of telescopic link through the spring based on rolling friction, and the telescopic link passes through the setting that the spring is connected with the barrel, and the telescopic link is flexible can drive the gyro wheel and rotate along the mount pad, guarantees that the gyro wheel passes through the barrier smoothly.

4. The utility model discloses an above structural improvement has simple structure, uses reliably, and it is smooth to slide, is applicable to the advantage that complex environment used to the effectual problem and the not enough that exist in having solved current device.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of the present invention;

FIG. 3 is a schematic view of a buffer structure according to the present invention;

FIG. 4 is a schematic structural view of the present invention;

fig. 5 is a schematic perspective view of the present invention.

In the figure: the device comprises a base 1, a top box 2, a fixed door body 3, a movable door body 4, a driving mechanism 5, a rolling device 6, a mounting seat 601, a wheel carrier 602, a roller 603, a buffer 604, a cylinder 6041, an expansion rod 6042 and a spring 6043.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 5, the utility model provides a subway platform door technical scheme based on rolling friction:

a rolling friction based subway platform door comprising: the device comprises a base 1, a top box 2, a fixed door body 3, a movable door body 4, a driving mechanism 5, a rolling device 6, a mounting seat 601, a wheel carrier 602, a roller 603, a buffer 604, a cylinder 6041, an expansion link 6042 and a spring 6043; a fixed door body 3 and a movable door body 4 are arranged between the base 1 and the top box 2, and the fixed door body 3 is connected with the base 1 and the top box 2 through screws; the top end of the movable door body 4 is connected with the top box 2 through a driving mechanism 5, and the bottom of the movable door body 4 is connected with the base 1 through a rolling device 6; the rolling device 6 is composed of an installation seat 601, a wheel frame 602, a roller 603 and a buffer 604, and the installation seat 601 is connected with the movable door body 4 through a screw; the wheel carrier 602 is provided with a roller 603, and the roller 603 is connected with the wheel carrier 602 through a wheel shaft; one end of the wheel carrier 602 is connected to the mounting base 601 through a pin, and the other end of the wheel carrier 602 is connected to the buffer 604 through a pin; the buffer 604 is composed of a cylinder 6041, an expansion link 6042 and a spring 6043, and one end of the expansion link 6042 is connected with the mounting seat 601 through a pin shaft; the other end of the telescopic bar 6042 extends into the barrel 6041, and the telescopic bar 6042 is connected with the barrel 6041 in a sliding manner.

Specifically, an annular groove is formed in the wheel surface of the roller 603, and the annular groove is located in the middle of the wheel surface of the roller 603, so that the contact area between the roller 603 and the bottom of the sliding groove can be reduced, the possibility that impurities block the movement of the roller 603 can be reduced to a certain extent, and the passing performance of the roller 603 is improved.

Specifically, the wheel frame 602 has an L-shaped outer shape, and the inner side of the wheel frame 602 has an arc-shaped outer shape, so that the possibility of deformation of the bent portion of the wheel frame 602 is reduced, and the wheel frame 602 is reliably supported.

Specifically, the spring 6043 is sleeved on the outer side of the telescopic rod 6042, the telescopic rod 6042 is connected with the barrel 6041 through the spring 6043, and when the telescopic rod 6042 deforms, the spring 6043 can drive the telescopic rod 6042 to restore.

Specifically, the cross section of the base 1 is shaped like a Chinese character 'ji', and the base 1 is provided with a chute matched with the movable door body 4, so that the movable door body 4 can slide linearly along the base 1.

Specifically, the driving mechanism 5 is composed of a driving motor, a screw rod connected with the driving motor, a shaft seat used for supporting the screw rod and a sliding block installed on the screw rod, the screw rod is a left-right rotating screw rod, the sliding block is connected with the movable door body 4 through a screw, the driving motor drives the screw rod to rotate, the sliding block slides linearly along the top box 2, and opening and closing of the movable door body 4 are achieved.

The specific use method and the function are as follows:

when the movable door body 4 slides along the top box 2 and the base 1, the bottom of the movable door body 4 is connected with the base 1 through the rolling device 6, compared with the sliding friction, the rolling friction is formed between the rolling device 6 and the base 1, so that the friction force between the movable door body 4 and the base 1 is reduced, the opening and the closing of the movable door body 4 are convenient, in addition, when the roller 603 meets obstacles such as impurities in a sliding chute, the annular groove on the wheel surface of the roller 603 can reduce the contact area between the roller 603 and the bottom of the sliding chute, the passing performance of the roller 603 is improved, in addition, when the roller 603 presses the impurities, the roller 603 can rotate along the mounting seat 601 through the wheel carrier 602, at the moment, the telescopic rod 6042 in the cylinder 6041 correspondingly deforms, when the roller 603 finishes passing of the impurities, the spring 6043 can drive the telescopic rod 6042 to recover, so that the roller 603 is contacted with the bottom of the sliding chute, the sliding door is suitable for being used in a complex environment, and the sliding reliability of the movable door body 4 is ensured.

In summary, the following steps: according to the subway platform door based on rolling friction, the annular groove is formed in the wheel surface of the roller and is arranged in the middle of the wheel surface of the roller, so that the contact area between the roller and the bottom of the sliding groove can be reduced, and the possibility that impurities block the movement of the roller can be reduced to a certain extent; the wheel carrier is L-shaped, and the inner side of the wheel carrier is arc-shaped, so that the deformation possibility of the wheel carrier can be reduced, and the wheel carrier is reliably supported; the telescopic rod is sleeved outside the telescopic rod through the spring, and the telescopic rod is connected with the barrel through the spring, so that the telescopic rod can stretch and drive the roller to rotate along the mounting seat, and the roller can smoothly pass through an obstacle; through above structural improvement, have simple structure, use reliably, it is smooth to slide, is applicable to the advantage that the complex environment used to the effectual problem and the not enough that exist in having solved current device.

It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, for example, as being fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A rolling friction based subway platform door comprising: the device comprises a base (1), a top box (2), a fixed door body (3), a movable door body (4), a driving mechanism (5), a rolling device (6), a mounting seat (601), a wheel carrier (602), a roller (603), a buffer (604), a cylinder body (6041), an expansion rod (6042) and a spring (6043); the method is characterized in that: a fixed door body (3) and a movable door body (4) are arranged between the base (1) and the top box (2), and the fixed door body (3) is connected with the base (1) and the top box (2) through screws; the top end of the movable door body (4) is connected with the top box (2) through a driving mechanism (5), and the bottom of the movable door body (4) is connected with the base (1) through a rolling device (6); the rolling device (6) is composed of a mounting seat (601), a wheel carrier (602), a roller (603) and a buffer (604), and the mounting seat (601) is connected with the movable door body (4) through a screw; the wheel carrier (602) is provided with a roller (603), and the roller (603) is connected with the wheel carrier (602) through a wheel shaft; one end of the wheel carrier (602) is connected with the mounting seat (601) through a pin shaft, and the other end of the wheel carrier (602) is connected with the buffer (604) through a pin shaft; the buffer (604) is composed of a cylinder (6041), an expansion link (6042) and a spring (6043), and one end of the expansion link (6042) is connected with the mounting seat (601) through a pin shaft; the other end of the telescopic rod (6042) extends into the barrel (6041), and the telescopic rod (6042) is connected with the barrel (6041) in a sliding mode.

2. A rolling friction based subway platform door according to claim 1, wherein: an annular groove is formed in the wheel surface of the roller (603), and the annular groove is located in the middle of the wheel surface of the roller (603).

3. A rolling friction based subway platform door according to claim 1, wherein: the wheel frame (602) is L-shaped, and the inner side of the wheel frame (602) is arc-shaped.

4. A rolling friction based subway platform door according to claim 1, wherein: the spring (6043) is sleeved on the outer side of the telescopic rod (6042), and the telescopic rod (6042) is connected with the barrel (6041) through the spring (6043).

5. A rolling friction based subway platform door according to claim 1, wherein: the base (1) is in a cross section shape like a Chinese character 'ji', and the base (1) is provided with a sliding chute matched with the movable door body (4).

6. A rolling friction based subway platform door according to claim 1, wherein: the driving mechanism (5) is composed of a driving motor, a screw rod connected with the driving motor, a shaft seat used for supporting the screw rod and a sliding block installed on the screw rod, the screw rod is a left-right screw rod, and the sliding block is connected with the movable door body (4) through a screw.