Platform door unlocking device and platform door with multiple unlocking passages

Abstract

The application provides a platform door unlocking device and a platform door with multiple unlocking channels, which comprises an electromagnetic door lock and a manual unlocking module. The electromagnetic door lock comprises an electromagnet, an unlocking toggle pivot and an unlocking toggle. The electromagnet comprises a movable iron core, which is connected with a center locking pin shaft and a manual unlocking plate. The unlocking toggle pivot is arranged on the shell of the electromagnet, and the unlocking toggle is rotatably arranged on the unlocking toggle pivot. The manual unlocking module comprises a toggle lever seat, a toggle lever pivot, a toggle lever and a cable. The toggle lever pivot is arranged on the toggle lever seat, the toggle lever is rotatably arranged on the toggle lever pivot, the cable is connected with one end of the toggle lever, and a return spring is arranged between the toggle lever seat and the toggle lever. The application has the advantages that: it provides a platform door unlocking device with multiple manual unlocking channels, a large unlocking position coverage range, strong adaptability, good operability and high safety. The device can meet the emergency escape requirements of the platform door of various types of vehicles parked at the platform, and has a broad market prospect.

Description

Technical Field

[0001] This invention relates to the field of rail transit platform screen door technology, and in particular to a platform screen door unlocking device and a platform screen door with multiple unlocking channels. Background Technology

[0002] Currently, the railway system involves the mixed operation of various train types, requiring railway platforms to accommodate trains of different models. Furthermore, the stopping accuracy of high-speed trains is relatively low. Therefore, traditional half-height platform screen doors are no longer adequate. In recent years, a double-door or nested half-height platform screen door has emerged to adapt to the different door opening positions required by various train types. This platform screen door consists of a movable module composed of a main frame that moves along the platform edge and two sliding doors that move in opposite directions. This movable module is installed on the platform in a movable and front-to-back limited manner. Several adjacent movable door modules cooperate to move, enabling doors to open at any position and achieve a large door opening. Because the movable module of this new high-speed railway platform screen door is arranged along the entire length of the platform, both the two sliding doors hidden within the frame structure and sliding relative to the frame structure, as well as the frame itself, can be considered movable door structures. Therefore, there are no traditional fixed doors or emergency doors. Due to the unique characteristics of high-speed railways with mixed train models, there is a need for emergency escape along the entire length of the platform. The traditional manual unlocking structure of platform doors with a single unlocking channel is no longer suitable for the new high-speed railway platform door system. Therefore, a platform door that can be manually unlocked for emergency escape at any position on the track side along the entire length of the platform is needed. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a platform door unlocking device and a multi-unlocking channel platform door that can unlock the door unit lock at multiple points on the track side to enable emergency escape from the track side.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a platform door unlocking device, comprising an electromagnetic door lock and a manual unlocking module. The electromagnetic door lock includes an electromagnet, an unlocking paddle shaft, and an unlocking paddle. The electromagnet includes a movable iron core, which is connected to a central locking pin and a manual unlocking plate. The electromagnet can drive the movable iron core to reciprocate along the axial direction of the movable iron core, inserting the central locking pin into the corresponding locking pin hole to achieve locking, or pulling the central locking pin out of the corresponding locking pin hole to achieve unlocking. The unlocking paddle shaft is disposed on the housing of the electromagnet, and the unlocking paddle is rotatably disposed on the unlocking paddle shaft. The manual unlocking module includes a lever seat, a lever shaft, at least two levers, and at least two pull cables. The lever shaft is disposed on the lever seat, and at least two levers are rotatably disposed on the lever shaft. Each pull cable is connected to one end of a lever. A return spring is provided between the lever seat and the lever.

[0005] When any cable is pulled in the unlocking direction, the other end of the corresponding lever drives the unlocking lever to rotate around the unlocking lever shaft in the unlocking direction. The unlocking lever can drive the manual unlocking plate of the electromagnetic door lock to move in the unlocking direction, thereby driving the central lock pin to be pulled out from the corresponding lock pin hole to achieve unlocking.

[0006] Furthermore, a pin-shaped return spring is provided between the manual unlocking plate and the electromagnet.

[0007] Furthermore, an isolation sleeve is provided between two adjacent levers.

[0008] Furthermore, the movable iron core is fitted with a release buffer pad, which is located at the end of the manual unlocking plate away from the electromagnet.

[0009] Furthermore, the movable iron core is fitted with a suction buffer pad, which is located on the manual unlocking plate at the end near the electromagnet.

[0010] Furthermore, the electromagnet's housing is provided with a sliding bearing sleeve, and the central locking pin reciprocates along the sliding bearing sleeve.

[0011] Furthermore, there are two unlocking paddle shafts and two unlocking paddles. The two unlocking paddle shafts are located on both sides of the electromagnet housing. Each unlocking paddle shaft is connected to a rotatable unlocking paddle. Each side of the manual unlocking plate is provided with a pressing part corresponding to each unlocking paddle. The lower ends of the two unlocking paddles are connected to a pressing plate.

[0012] The present invention also relates to a multi-unlocking platform screen door, including the platform screen door unlocking device as described in any of the above claims.

[0013] Furthermore, the system includes a main frame and a sliding door assembly. The electromagnetic door lock of the platform door unlocking device is mounted on the main frame, and the sliding door assembly has a locking pin hole corresponding to the central locking pin of the electromagnetic door lock.

[0014] Furthermore, the sliding door assembly is provided with at least two manual unlocking components, each of which is connected to a lever of the manual unlocking module of the platform door unlocking device via a cable.

[0015] The beneficial effects of this invention are as follows: it provides a platform door unlocking device with multiple manual unlocking channels, a wide coverage of unlocking positions, strong adaptability, good operability, and high security. This device can meet the emergency escape needs of platform doors at various train station stops and has broad market prospects. Attached Figure Description

[0016] The specific structure of the present invention will be described in detail below with reference to the accompanying drawings:

[0017] Figure 1 This is a schematic diagram of the overall structure of the platform door unlocking device of the present invention from one perspective.

[0018] Figure 2 This is a schematic diagram of the overall structure of the platform door unlocking device of the present invention from another perspective.

[0019] Figure 3 This is a side view of the overall structure of the platform door unlocking device of the present invention;

[0020] Figure 4 This is a schematic diagram of the overall structure of the multi-unlocking channel platform door of the present invention;

[0021] Figure 5 This is a schematic diagram of the overall structure of the manual unlocking component of the present invention;

[0022] 1-Main frame; 2-Sliding door;

[0023] 110-Electromagnet; 111-Modible iron core; 112-Center lock pin; 113-Manual unlocking plate; 1131-Pressing part; 114-Housing shell;

[0024] 120 - Unlock paddle hinge; 121 - Unlock paddle; 1211 - Press plate;

[0025] 130-Lever seat; 1301-Base; 131-Lever pivot; 132-Lever; 133-Pull cable; 134-Return spring; 135-Isolation sleeve;

[0026] 140 - Pin return spring; 150 - Release buffer pad; 160 - Sliding bearing sleeve; 170 - Pull-in buffer pad; 201 - Manual unlocking seat; 202 - Manual unlocking shaft; 203 - Manual unlocking lever. Detailed Implementation

[0027] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0028] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0030] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0031] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0032] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. The illustrative expressions of the above terms in this specification should not be construed as necessarily referring to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.

[0033] Example

[0034] Please see Figures 1 to 3 This embodiment provides a platform door unlocking device, including an electromagnetic door lock and a manual unlocking module. The electromagnetic door lock includes an electromagnet 110, an unlocking lever shaft 120, and an unlocking lever 121. The electromagnet 110 includes a movable iron core 111, which is connected to a central locking pin 112 and a manual unlocking plate 113. The electromagnet 110 can drive the movable iron core 111 to reciprocate along its axial direction, inserting the central locking pin 112 into the corresponding locking pin hole to lock it, or pulling the central locking pin 112 out of the corresponding locking pin hole to unlock it. The unlocking paddle shaft 120 is mounted on the housing 114 of the electromagnet 110, and the unlocking paddle 121 is rotatably mounted on the unlocking paddle shaft 120. The manual unlocking module includes a lever seat 130, a lever shaft 131, at least two levers 132, and at least two cables 133. The lever shaft 131 is mounted on the lever seat 130, and at least two levers 132 are rotatably mounted on the lever shaft 131. Each cable 133 is connected to one end of a lever 132. A return spring 134 is provided between the lever seat 130 and the lever 132.

[0035] When any of the cables 133 is pulled in the unlocking direction, the other end of the corresponding lever 132 drives the unlocking lever 121 to rotate around the unlocking lever shaft 120 in the unlocking direction. The unlocking lever 121 can drive the manual unlocking plate 113 of the electromagnetic door lock to move in the unlocking direction, thereby driving the central lock pin shaft 112 to be pulled out from the corresponding lock pin hole to achieve unlocking.

[0036] In this embodiment, the platform door unlocking device specifically includes an electromagnetic door lock and a manual unlocking module. The electromagnetic door lock is used to switch the locked or unlocked state of the electromagnetic door lock according to the control signal. The manual unlocking module is used to control the electromagnetic door lock to release the locked state through the manual unlocking component, thereby realizing unlocking. In order to enable drivers or passengers to manually unlock the door as soon as possible, the manual unlocking module is a multi-channel manual unlocking module. By arranging manual unlocking components in multiple locations, each manual unlocking component can manually unlock the electromagnetic door lock through the multi-channel manual unlocking module, thereby effectively expanding the coverage of unlocking locations to meet emergency escape needs.

[0037] Specifically, the electromagnetic door lock includes an electromagnet 110, an unlocking lever shaft 120, and an unlocking lever 121. The electromagnet 110 includes a movable iron core 111. The movable iron core 111 is connected in sequence to a manual unlocking plate 113 and a central lock pin shaft 112 in the direction away from the electromagnet. The electromagnet 110 can drive the movable iron core 111 to reciprocate along the axial direction of the movable iron core 111 according to the control signal, inserting the central lock pin shaft 112 into the corresponding lock pin hole to achieve locking, or pulling the central lock pin shaft 112 out of the corresponding lock pin hole to achieve unlocking. To ensure safety, by default, when the electromagnet 110 is de-energized, the central lock pin shaft 111 is in the locked state of being inserted into the corresponding lock pin hole.

[0038] To enable manual unlocking, an unlocking lever shaft 120 is mounted on the electromagnet housing 114, and an unlocking lever 121 is rotatably mounted on the unlocking lever shaft 120. A manual unlocking plate 113 has a pressing part 1131 corresponding to the unlocking lever 121. The manual unlocking module includes a lever seat 130, a lever shaft 131, at least two levers 132, and at least two cables 133. The lever seat 130 is mounted below the electromagnetic door lock via a base 1301. The lever shaft 131 is mounted on the lever seat 130, and at least two levers 132 are rotatably mounted on the lever shaft 131. Each cable 133 is connected to one end of a lever 132. A return spring 134 is provided between the lever seat 130 and each lever 132. The return spring 134 is used to restore the lever 132 to its default position through elasticity.

[0039] The other end of each cable 133 is connected to a manual unlocking component located at a remote end. By pulling the cable 133 in the unlocking direction using any manual unlocking component, the corresponding lever 132 can be rotated around the lever shaft 131. The other end of the corresponding lever 132 can then apply external force to the other end of the unlocking plate 121, causing the unlocking plate 121 to rotate around the unlocking plate shaft 120 in the unlocking direction. At this time, the end of the unlocking plate 121 near the manual unlocking plate 113 can drive the manual unlocking plate 113 to move in the unlocking direction, thereby driving the central locking pin shaft 112 to move in the unlocking direction until the central locking pin shaft 112 is pulled out from the corresponding locking pin hole, thus achieving unlocking.

[0040] As a preferred embodiment, a pin-shaft return spring 140 is provided between the manual unlocking plate 113 and the electromagnet 110.

[0041] In practice, in order to ensure that the electromagnetic door lock remains locked even when the electromagnet 110 is de-energized, a pin return spring 140 is provided between the manual unlocking plate 113 and the electromagnet 110. The pin return spring 140 is sleeved on the movable iron core 111. One end of the pin return spring 140 abuts against the electromagnet 110, and the other end abuts against the manual unlocking plate 113, which can provide the movable iron core 111 with a spring force in the locking direction.

[0042] As a preferred embodiment, an isolation sleeve 135 is provided between two adjacent levers 132.

[0043] In practice, by setting an isolation sleeve 135 between two adjacent levers 132, the levers 132 can be prevented from moving axially along the lever shaft 131, thus ensuring the stability and reliability of the levers 132 rotating around the lever shaft 131.

[0044] In a preferred embodiment, the movable iron core 111 is fitted with a release buffer pad 150, which is disposed on the manual unlocking plate 113 at the end away from the electromagnet 110.

[0045] In practice, by setting a release buffer pad 150 at the end of the manual unlocking plate 113 away from the electromagnet 110, the impact of the movable iron core 111 and the central lock pin 112 on the electromagnetic door lock can be reduced when the electromagnet 110 releases the movable iron core 111, thus playing a role in buffering and noise reduction.

[0046] In a preferred embodiment, the movable iron core 111 is fitted with a suction buffer pad 170, which is disposed on the manual unlocking plate 113 at one end near the electromagnet 110.

[0047] In practice, by setting a suction buffer pad 170 at the end of the manual unlocking plate 113 near the electromagnet 110, the impact of the movable iron core 111 on the electromagnetic door lock can be reduced when the electromagnet 110 attracts the movable iron core 111, thus playing a role in buffering and noise reduction.

[0048] In a preferred embodiment, the housing 114 of the electromagnet is provided with a sliding bearing sleeve 160, and the central locking pin 112 reciprocates along the sliding bearing sleeve 160.

[0049] In practice, by setting a sliding bearing sleeve 160 in the housing 114 of the electromagnet, the central locking pin 112 can reciprocate along the sliding bearing sleeve 160, which allows the sliding bearing sleeve 160 to guide the central locking pin 112 and ensure locking accuracy.

[0050] As a preferred embodiment, there are two unlocking paddle shafts 120 and unlocking paddles 121. The two unlocking paddle shafts 120 are disposed on both sides of the housing 114 of the electromagnet. Each unlocking paddle shaft 120 is connected to a rotatable unlocking paddle 121. Each side of the manual unlocking plate 113 is provided with a pressing part 1131 corresponding to each unlocking paddle 121. The lower ends of the two unlocking paddles 121 are connected to pressing plates 1211.

[0051] In specific implementation, two sets of unlocking paddle shafts 120 and unlocking paddles 121 are set. The two unlocking paddle shafts 120 are respectively set on both sides of the electromagnet housing 114. Each unlocking paddle shaft 120 is connected to a rotatable unlocking paddle 121. Each side of the manual unlocking plate 113 is provided with a pressing part 1131 corresponding to each unlocking paddle 121. By applying external force to the manual unlocking plate 113 from opposite sides at the same time, the force balance of the manual unlocking plate 113 can be ensured, thereby ensuring the smooth locking action of the central lock pin 111.

[0052] The lower ends of the two unlocking paddles 121 are connected to a pressing plate 1211. Each lever 132 can apply force to the pressing plate 1211 to drive the unlocking paddle 121 to rotate around the unlocking paddle pivot 120, thereby driving the manual unlocking plate 113 to move and achieve unlocking.

[0053] Please see Figure 4 The present invention also relates to a multi-unlocking platform door, including the platform door unlocking device as described above.

[0054] The multi-channel platform specifically includes a main frame 1 and a sliding door assembly. The electromagnetic door lock of the platform door unlocking device is installed on the main frame 1, and the sliding door assembly has a locking pin hole corresponding to the central locking pin 111 of the electromagnetic door lock.

[0055] In specific implementation, the sliding door assembly includes two sliding doors 2, which are respectively located at opposite ends of the main frame 1. The two sliding doors 2 can move synchronously in opposite directions relative to the main frame 1. When in the closed state, the two sliding doors 2 extend to the outside of the main frame; when in the open state, the two sliding doors 2 can be stored in the main frame 1.

[0056] The electromagnetic door lock of the platform door unlocking device is installed on the main frame 1. The sliding door assembly has a locking pin hole corresponding to the central locking pin 111 of the electromagnetic door lock. When the sliding door assembly is in the closed state, the central locking pin 111 can be inserted into the locking pin hole to achieve locking.

[0057] As a preferred embodiment, the sliding door assembly is provided with at least two manual unlocking components, each of which is connected to a lever 132 of the manual unlocking module of the platform door unlocking device via a cable 133.

[0058] In practice, in order to ensure that drivers or passengers can manually unlock the sliding door assembly as soon as possible, the sliding door assembly is equipped with at least two manual unlocking components. Each manual unlocking component is connected to a lever 132 of the manual unlocking module of the platform door unlocking device via a cable 133, thereby expanding the coverage of the unlocking position to meet emergency escape needs.

[0059] Please see Figure 5 The manual unlocking assembly includes a manual unlocking base 201, a manual unlocking pivot 202, and a manual unlocking lever 203. The manual unlocking base 201 is mounted on the sliding door assembly. The manual unlocking base 201 has a manual unlocking pivot 202. The manual unlocking lever 203 is rotatably mounted on the manual unlocking pivot 202. The manual unlocking lever 203 is T-shaped and includes a first manual unlocking lever arm and a second manual unlocking lever arm. The second manual unlocking lever arm is connected to the middle of the first manual unlocking lever arm and is approximately perpendicular to the first manual unlocking lever arm. A cable is connected to the end of the second manual unlocking lever arm away from the first manual unlocking lever arm.

[0060] The manual unlock lever 203 and the manual unlock shaft 202 are connected at the intersection of the first arm of the manual unlock lever and the second arm of the left manual unlock lever. This ensures the structural strength of the manual unlock lever 203 while allowing the user to apply rotational force to the manual unlock lever 203.

[0061] When rotating the manual unlock lever 203, the manual unlock lever can be easily rotated around the manual unlock axis in the unlocking direction by applying a pulling force to one end of the first arm of the manual unlock lever and a pushing force to the other end of the first arm of the manual unlock lever.

[0062] As can be seen from the above description, the beneficial effects of the present invention are: it provides a platform door unlocking device with multiple manual unlocking channels, a wide coverage of unlocking positions, strong adaptability, good operability, and high security. This device can meet the emergency escape needs of platform doors at various train station stops and has broad market prospects.

[0063] It will be readily understood by those skilled in the art that the above embodiments can be freely combined and superimposed without conflict.

[0064] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural or procedural transformations made based on the content of the present invention specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present invention.

Claims

1. A platform door unlocking device, characterized in that: The system includes an electromagnetic door lock and a manual unlocking module. The electromagnetic door lock includes an electromagnet, an unlocking lever shaft, and an unlocking lever. The electromagnet includes a movable iron core, which is connected to a central lock pin and a manual unlocking plate. The electromagnet can drive the movable iron core to reciprocate along its axial direction, inserting the central lock pin into a corresponding lock pin hole to lock it, or pulling the central lock pin out of the corresponding lock pin hole to unlock it. The unlocking lever shaft is mounted on the housing of the electromagnet, and the unlocking lever is rotatably mounted on the unlocking lever shaft. The manual unlocking module includes a lever seat, a lever shaft, at least two levers, and at least two cables. The lever shaft is mounted on the lever seat, and at least two levers are rotatably mounted on the lever shaft. Each cable is connected to one end of a lever. A return spring is provided between the lever seat and the lever. When any cable is pulled in the unlocking direction, the other end of the corresponding lever drives the unlocking lever to rotate around the unlocking lever shaft in the unlocking direction. The unlocking lever can drive the manual unlocking plate of the electromagnetic door lock to move in the unlocking direction, thereby driving the central lock pin to be pulled out from the corresponding lock pin hole to achieve unlocking. There are two unlocking paddle shafts and two unlocking paddles. The two unlocking paddle shafts are located on both sides of the electromagnet housing. Each unlocking paddle shaft is connected to a rotatable unlocking paddle. Each side of the manual unlocking plate is provided with a pressing part corresponding to each unlocking paddle. The lower ends of the two unlocking paddles are connected to a pressing plate.

2. The platform door unlocking device according to claim 1, characterized in that: A pin-shaped return spring is provided between the manual unlocking plate and the electromagnet.

3. The platform door unlocking device according to claim 1, characterized in that: An isolation sleeve is provided between two adjacent levers.

4. The platform door unlocking device according to claim 1, characterized in that: The movable iron core is fitted with a release buffer pad, which is located at the end of the manual unlocking plate away from the electromagnet.

5. The platform door unlocking device according to claim 1, characterized in that: The movable iron core is fitted with a suction buffer pad, which is located on the manual unlocking plate at the end near the electromagnet.

6. The platform door unlocking device according to claim 1, characterized in that: The electromagnet's housing is provided with a sliding bearing sleeve, and the central locking pin reciprocates along the sliding bearing sleeve.

7. A multi-unlocking platform screen door, characterized in that: Includes the platform door unlocking device as described in any one of claims 1-6.

8. The multi-unlocking platform door according to claim 7, characterized in that: The device includes a main frame and a sliding door assembly. The electromagnetic door lock of the platform door unlocking device is installed on the main frame, and the sliding door assembly has a locking pin hole corresponding to the central locking pin shaft of the electromagnetic door lock.

9. The multi-unlocking platform door according to claim 8, characterized in that: The sliding door assembly is provided with at least two manual unlocking components, each of which is connected to a lever of the manual unlocking module of the platform door unlocking device via a cable.

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