阅读说明：本技术 一种站台门活动门结构 (Platform door dodge gate structure ) 是由 不公告发明人 于 2021-08-20 设计创作，主要内容包括：本发明公开一种站台门活动门结构,其特征在于,包括主门体和副门体,所述副门体通过伸展机构安装到所述主门体上,所述副门体的重量完全靠所述伸展机构承托、并随所述伸展机构的运动实现与所述主门体之间的贴合与分离；在所述副门体上还设有向所述主门体所在侧突出的安全挡板。其工作原理为：在活动门开启时,安全挡板侵入车辆限界,进而起到填满车门与站台门之间间隙的目的,解决车门与站台门之间间隙过大,门体之间夹人的问题。在活动门关闭时,副门体和主门体分离、并可以与站台固定门对齐,这时,安全挡板随副门体移动,不会侵入车辆限界,不影响车辆的正常行驶；同时从站台侧看活动门与固定门齐平,美观整齐。(The invention discloses a platform door movable door structure which is characterized by comprising a main door body and an auxiliary door body, wherein the auxiliary door body is installed on the main door body through an extension mechanism, and the weight of the auxiliary door body is completely supported by the extension mechanism and attached to and separated from the main door body along with the movement of the extension mechanism; the auxiliary door body is also provided with a safety baffle protruding towards the side where the main door body is located. The working principle is as follows: when the dodge gate is opened, safety shield invades the vehicle clearance, and then plays the purpose of filling up the clearance between door and the platform door, solves the too big clearance between door and the platform door, presss from both sides the problem of people between the door body. When the movable door is closed, the auxiliary door body is separated from the main door body and can be aligned with the platform fixed door, and at the moment, the safety baffle moves along with the auxiliary door body, so that the safety baffle cannot invade the clearance of a vehicle and cannot influence the normal running of the vehicle; meanwhile, the movable door is flush with the fixed door when seen from the platform side, and the movable door is attractive and neat.)

1. A platform door movable door structure is characterized by comprising a main door body and an auxiliary door body, wherein the auxiliary door body is installed on the main door body through an extending mechanism, the weight of the auxiliary door body is completely supported by the extending mechanism, and the auxiliary door body is attached to and separated from the main door body along with the movement of the extending mechanism; the auxiliary door body is also provided with a safety baffle protruding towards the side where the main door body is located;

when the device is installed and applied, the main door body faces one side of the track, the auxiliary door body faces one side of the platform, the upper part of the main door body is connected with a door machine system, the lower part of the main door body is limited by a threshold, and the auxiliary door body moves horizontally along with the main door body;

when the movable door is opened, the safety baffle plate invades into the vehicle clearance and fills the gap between the vehicle door and the platform door; when the movable door is closed, the auxiliary door body is separated from the main door body and is aligned with the platform fixed door, and at the moment, the safety baffle moves along with the auxiliary door body and exits from the limit of the vehicle.

2. The platform door flexible door structure according to claim 1, wherein the main door body is a main door frame structure; the auxiliary door body comprises an auxiliary door frame and a panel arranged on the auxiliary door frame, and the panel is arranged on the auxiliary door frame; the extension mechanism is connected between the auxiliary door frame and the main door frame, and the safety baffle is installed on the auxiliary door frame; when the auxiliary door frame is in work, the auxiliary door frame is attached to and separated from the main door frame through the movement of the extension mechanism.

3. A platform door flexible door structure according to claim 2, wherein the main door frame and the sub door frame are square frames, and four side frames constituting the square frames are made of metal.

4. The platform door sliding door structure according to claim 2, wherein the sub-door frame comprises an inner frame capable of being sleeved on the main door frame and a flange capable of blocking the main door frame and extending towards two sides.

5. A platform door fly door structure according to claim 2, wherein the panel is a glass panel, a metal panel, a ceramic panel or a composite panel.

6. The structure of claim 2, wherein the extension mechanisms are four in number, and two sets of the extension mechanisms are respectively disposed on the left and right sides of the secondary door frame, and are symmetrically arranged.

7. The structure of claim 1, wherein the extension mechanism comprises a slider, a bracket, a long arm, a short arm and a transmission rod, the slider is slidably mounted on the bracket and can slide up and down, the bracket is mounted on the main doorframe, one end of the long arm is hinged on the auxiliary doorframe, the other end of the long arm is hinged on the slider, one end of the short arm is hinged on the main doorframe, the other end of the short arm is hinged on the middle part of the long arm, and the transmission rod connects the slider with the portal crane system and the portal crane system to provide power for the transmission rod to drive the slider to slide.

8. The structure of claim 7, wherein the side frame of the main door frame is a hollow body, the transmission rod is inserted into the hollow side frame, and the top of the transmission rod is inserted out of the main door frame; the side wall of the side frame is provided with a long hole, and the sliding block and the transmission rod are connected and fixed through a connecting piece penetrating through the long hole.

9. A platform door fly door structure according to claim 8, wherein the end of the long arm is hinged between the slider and the elongated hole.

10. A platform door dodge gate structure according to claim 1, wherein said safety barrier is formed of an internally rigid core and an externally coated flexible facing extending away from said secondary door body.

Technical Field

The invention relates to the technical field of rail transit platform doors, in particular to a brand new platform door movable door structure.

Background

With the progress of technology, the requirements of rail transit transportation such as high-speed rails and urban rails on safety are higher and higher, and the active safety requirements on equipment are more and more urgent. When the distance between the platform door and the train door is designed, the problem of overlarge gap between the platform door and the train door cannot be solved all the time due to the existence of the vehicle limit. In recent years, passengers are clamped between a platform door and a train door when getting on or off the train, so that safety accidents are caused. For the problem, various subway construction and operation units are actively researching solutions, and the existing solutions have the following modes: firstly, set up the anti-climb baffle on inclined plane in dodge gate track side below, secondly set up the people's baffle of preventing pressing from both sides (generally for the height of crossing the knee) in the middle side of dodge gate, thirdly, set up laser and infrared ray barrier detection device.

The chinese patent application with publication number CN107310560A discloses a lifting safety protection device for a platform door system, which comprises a lifting movable unit and a groove structure, wherein the groove structure is arranged below a platform floor between a fixed structure and a track, the lifting movable unit is vertically arranged in the groove structure, the lifting movable unit comprises a plate structure arranged in the groove structure, the lifting movable unit is hidden in the groove structure below the platform floor in an initial state, and when the lifting movable unit is in an open state, the plate structure is vertically lifted from the inside of the groove structure to form a shielding structure; thereby preventing passengers from transversely passing through and staying in the gap.

Also, as disclosed in the chinese utility model patent with publication number CN211402787U, a detection device for detecting a gap between a platform door and a train door is disclosed, which comprises a detection mechanism and a subway platform door, wherein the subway platform door comprises a fixed door and a sliding door, the detection mechanism is arranged on the fixed door and is positioned in a vertical groove below the middle part of the inner side surface of the fixed door, and a fixed bracket is fixed in the vertical groove; the detection mechanism is a four-bar mechanism, and the four-bar mechanism comprises a mounting bracket, a connecting bar and a spiral transmission mechanism; the screw transmission mechanism comprises a screw rod, a nut and a driving motor, the driving motor is fixed in the middle of the front face of the fixed support, the driving motor is a bidirectional output shaft motor, an output shaft of the driving motor is vertically arranged, and the upper end and the lower end of the output shaft are symmetrically connected with the two screw rods to synchronously rotate in the same direction. When the sensor mounting bracket works, the driving motor drives the screw rod and the nut to realize the function of quick extension and retraction of the sensor mounting bracket through screw transmission, and then whether foreign matters exist between the subway platform door and the train door is detected.

However, there are limitations to the several existing approaches to solving the problem. The anti-climbing baffle with the inclined plane is additionally arranged below the track side of the movable door, but the problem of the gap between a platform door and a train door cannot be solved, and the difficulty of passengers standing in the gap is increased. The anti-people-clamping baffle is additionally arranged on the middle side of the movable door, but the edge of the baffle cannot invade the train limit, and gaps still exist or passengers are in danger of being clamped in the baffle. The laser and infrared obstacle detection device is additionally arranged, when station dust is large or vibrates, a false alarm event occurs, and frequent maintenance is needed. Are not a good solution. Therefore, it is necessary to develop a new movable door structure of platform door to solve the problem of passenger clamping in the gap between the platform door and the train door.

Disclosure of Invention

In view of the problems in the prior art, an object of the present invention is to provide a platform door movable door that can fill the gap between the vehicle door and the platform door when opened and does not intrude into the vehicle clearance when closed.

In order to achieve the purpose, the invention adopts the following technical scheme.

A platform door movable door structure is characterized by comprising a main door body and an auxiliary door body, wherein the auxiliary door body is installed on the main door body through an extending mechanism, the weight of the auxiliary door body is completely supported by the extending mechanism, and the auxiliary door body is attached to and separated from the main door body along with the movement of the extending mechanism; the auxiliary door body is also provided with a safety baffle protruding towards the side where the main door body is located.

When the platform door is installed and applied, the main door body faces one side of the track, the auxiliary door body faces one side of the platform, the upper portion of the main door body is connected with a door machine system, the lower portion of the main door body is limited by a threshold, and the auxiliary door body moves horizontally along with the main door body.

When the movable door is opened, the safety baffle plate invades into the vehicle clearance and fills the gap between the vehicle door and the platform door; when the movable door is closed, the auxiliary door body is separated from the main door body and is aligned with the platform fixed door, and at the moment, the safety baffle moves along with the auxiliary door body and exits from the limit of the vehicle.

More preferably, the main door body is of a main door frame structure; the auxiliary door body comprises an auxiliary door frame and a panel arranged on the auxiliary door frame, and the panel is arranged on the auxiliary door frame; the extension mechanism is connected between the auxiliary door frame and the main door frame, and the safety baffle is installed on the auxiliary door frame. When the auxiliary door frame is in work, the auxiliary door frame is attached to and separated from the main door frame through the movement of the extension mechanism.

More preferably, the main door frame and the auxiliary door frame are both square frames, and four side frames forming the square frames are metal pieces.

More preferably, the auxiliary door frame comprises an inner frame capable of being sleeved on the main door frame and an outward flange capable of blocking the main door frame and extending towards two sides.

More preferably, the panel is a glass panel, a metal panel, a ceramic panel or a composite panel.

More preferably, the extension mechanisms have four groups, and two groups are respectively arranged on the left side and the right side of the auxiliary door frame and symmetrically arranged in a left-right manner.

More preferably, the extension mechanism includes slider, support, long support arm, short support arm and transfer line, slider slidable mounting be in on the support, can slide from top to bottom, the support mounting be in on the main door frame, the one end of long support arm articulates on the vice door frame, the long support arm other end articulates on the slider, the one end of short support arm articulates on the main door frame, the other end of short support arm articulates the middle part of long support arm, the transfer line is connected slider and door machine system, door machine system give the transfer line provides power, is used for driving the slider slides.

More preferably, the side frame of the main door frame is a hollow body, the transmission rod is arranged in the hollow side frame in a penetrating manner, and the top of the transmission rod penetrates out of the main door frame; the side wall of the side frame is provided with a long hole, and the sliding block and the transmission rod are connected and fixed through a connecting piece penetrating through the long hole.

More preferably, the end of the long arm is hinged between the slider and the elongated hole.

More preferably, the safety barrier is composed of a built-in rigid core and an outer-coated flexible surface layer, and the outer-coated flexible surface layer extends in a direction away from the auxiliary door body.

The invention has the beneficial effects that: when the door is actually installed and applied, the main door body faces one side of the track, the auxiliary door body faces one side of the platform, the upper portion of the main door body is connected with the door machine system, the lower portion of the main door body is limited by the doorsill, and the auxiliary door body moves horizontally along with the main door body. The working principle is as follows: when the dodge gate is opened, safety shield invades the vehicle clearance, and then plays the purpose of filling up the clearance between door and the platform door, solves the too big clearance between door and the platform door, presss from both sides the problem of people between the door body. When the movable door is closed, the auxiliary door body is separated from the main door body and can be aligned with the platform fixed door, and at the moment, the safety baffle moves along with the auxiliary door body, so that the safety baffle cannot invade the clearance of a vehicle and cannot influence the normal running of the vehicle; meanwhile, the movable door is flush with the fixed door when seen from the platform side, and the movable door is attractive and neat.

Drawings

Fig. 1 is a schematic structural view of a platform door sliding door according to the present invention.

Fig. 2 is a schematic structural view showing the separation of the sub-door body and the main door body.

Fig. 3 is a partially enlarged view of fig. 2.

Reference numerals indicate the same.

1: main door body, 2: sub-door body, 3: stretching mechanism, 4: safety shield.

2-1: auxiliary door frame, 2-2: a panel.

2-1-1: inner frame, 2-1-2: and (5) outward flanging.

3-1: slide block, 3-2: support, 3-3: long support arm, 3-4: short support arm, 3-5: transmission rod, 3-6: and (4) a long hole.

Detailed Description

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the feature, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the present invention, unless otherwise specified and limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.

The following describes the embodiments of the present invention with reference to the drawings of the specification, so that the technical solutions and the advantages thereof are more clear and clear. The embodiments described below are exemplary and are intended to be illustrative of the invention, but are not to be construed as limiting the invention.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

As shown in fig. 1 and 2, a platform door movable door structure includes a main door body 1 and a sub door body 2, wherein the sub door body 2 is mounted on the main door body 1 through an extension mechanism 3, the weight of the sub door body 2 is completely supported by the extension mechanism 3, and the extension mechanism 3 is further used for realizing the attachment and separation between the sub door body 2 and the main door body 1; the auxiliary door body 2 is provided with a safety baffle 4 protruding towards one side of the main door body 1.

During actual installation and application, the main door body 1 faces one side of the track, the auxiliary door body 2 faces one side of the platform, the upper portion of the main door body 1 is connected with the door machine system, the lower portion of the main door body is limited by the doorsill, and the auxiliary door body 2 moves horizontally along with the main door body 1. The working principle is as follows: when the dodge gate is opened, safety shield 4 invades the vehicle clearance, and then plays the purpose of filling up the clearance between door and the platform door, solves the too big clearance between door and the platform door, presss from both sides the problem of people between the door body. When the movable door is closed, the auxiliary door body 2 is separated from the main door body 1 and is aligned with the platform fixed door, and at the moment, the safety baffle 4 moves along with the auxiliary door body 2 and cannot intrude into the vehicle limit; meanwhile, the movable door is flush with the fixed door when seen from the platform side, and the movable door is attractive and neat.

The main door body 1 is of a main door frame structure, the periphery of the main door frame is formed by welding square steel or other metal pieces, the upper portion of the main door frame is connected with a door machine system, and the lower portion of the main door frame is limited by a threshold. The auxiliary door body 2 comprises an auxiliary door frame 2-1 and a panel 2-2 installed on the auxiliary door frame 2-1, the periphery of the auxiliary door frame 2-1 is formed by welding square steel or other metal pieces, and the panel 2-2 is bonded on the auxiliary door frame 2-1 through structural adhesive. The extension mechanism 3 is connected between the auxiliary door frame 2-1 and the main door frame, and the safety baffle 4 is installed on the auxiliary door frame 2-1.

In this embodiment, the sub-door frame 2-1 preferably includes an inner frame 2-1-1 that can be sleeved in the main door frame and an outward flange 2-1-2 that can block the main door frame and extend toward both sides. The arrangement has the advantages that when the auxiliary door body 2 is jointed with the main door body 1, the joint stability of the auxiliary door body and the main door body can be ensured; when the auxiliary door bodies 2 are separated from the main door body 1, the side edges of two adjacent auxiliary door bodies 2 can be tightly attached, and the complete closing of the door opening is realized. Of course, in other embodiments, the inner frame 2-1-1 may be sleeved outside the main door frame, so as to achieve similar technical effects.

In addition, in this embodiment, the panel 2-2 is preferably a glass panel, which is more beautiful. Obviously, according to different actual needs, a person skilled in the art may also select other panels such as a metal panel, a ceramic panel or a composite panel to replace the glass panel; the present embodiment is not limited.

As shown in fig. 2, the extension mechanisms 3 have four groups, and two groups are respectively disposed on the left and right sides of the sub-door frame 2-1, and are symmetrically arranged in a left-right manner. Therefore, the motion stability of the auxiliary door body 2 during stretching can be ensured, and the problems of cost and material consumption caused by the arrangement of too many groups of stretching mechanisms 3 are avoided.

Referring to fig. 3, the extension mechanism 3 includes a slider 3-1, a bracket 3-2, a long arm 3-3, a short arm 3-4 and a transmission rod 3-5, the slider 3-1 is slidably mounted on the bracket 3-2 and can slide up and down, two ends of the bracket 3-2 are mounted on the inner side of the main doorframe by bolts, one end of the long arm 3-3 is mounted on the inner side of the sub doorframe 2-1 by a hinge or other hinge member, the other end of the long arm 3-3 is mounted on the slider 3-1 by a hinge or other hinge member, one end of the short arm 3-4 is mounted on the inner side of the main doorframe by a hinge or other hinge member, the other end of the short arm 3-4 is mounted on the middle portion of the long arm 3-3 by a hinge or other hinge member, the transmission rod 3-5 is connected with the sliding block 3-1, the gantry crane system and the gantry crane system to provide power for the transmission rod 3-5, and is used for driving the sliding block 3-1 to slide. Therefore, the sub door body 2 can be attached to or separated from the main door body 1 along with the reciprocating sliding of the sliding block 3-1.

It should be noted that the bracket 3-2 may also be disposed on the outer side of the main doorframe, and accordingly, other components engaged therewith may also be moved to the outer side of the main doorframe for connection, which may achieve similar technical effects.

In this embodiment, preferably, the side frame of the main door frame is a hollow body, and the transmission rod 3-5 is inserted into the hollow side frame, and the top of the transmission rod penetrates out of the main door frame, so as to connect a door machine system; the inner side wall of the side frame is provided with a long hole 3-6, and the sliding block 3-1 and the transmission rod 3-5 are connected and fixed through a connecting piece penetrating through the long hole 3-6. The advantage of this arrangement is that the driving rods 3-5 are basically hidden in the side frames, and the operation is safer and more stable.

During actual work, the transmission rod 3-5 is driven by a gantry crane system to move up and down so as to drive the sliding block 3-1 to slide back and forth, and therefore the auxiliary door body 2 and the main door body 1 are attached and separated.

In particular, in the present embodiment, the end of the long arm 3-3 is hinged between the slider 3-1 and the elongated hole 3-6. Such as rotatably sleeved on the connecting piece. Therefore, the installation is more convenient, and the operation stability is better.

The safety barrier 4 is composed of a built-in rigid core and an outer flexible surface layer, and the outer flexible surface layer extends in a direction away from the sub-door 2, that is, in a direction away from the platform and close to the track. The advantage of setting up like this makes flexible contact between safety shield 4 and the vehicle, avoids scraping colored vehicle to avoid clearance error to lead to platform door and vehicle hard contact and the card is died and can not open.

In this embodiment, the rigid core is preferably a metal core, such as a steel core, an iron core, or the like, and the flexible surface layer is preferably a rubber or other soft composite material.

It will be appreciated by those skilled in the art from the foregoing description of construction and principles that the invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the teachings of the art may be made without departing from the scope of the invention as defined by the appended claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.