Dividing wall door unlocking device for rail transit vehicle

By designing the unlocking components of electromagnetic locks and unlocking baffles on the wall doors of rail transit vehicles, combined with the alarm function of the buzzer, the safety hazards of existing mechanical door locks in emergency situations are solved, and a safer evacuation solution is provided , ensure that passengers can evacuate safely in an emergency.

CN222253557UActive Publication Date: 2024-12-27ZHEJIANG DAFENG RAIL TRANSIT EQUIP CO LTD
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Patent Information

Application Number
CN202420900137.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-28
Publication Date
2024-12-27
Estimated Expiration
2034-04-28

AI Technical Summary

Technical Problem

The existing rail transit vehicle wall door only has mechanical door locks, which poses safety hazards and cannot be unlocked safely in an emergency, resulting in inconvenience of passengers evacuation.

Method used

A wall door unlocking device including unlocking components is designed. Through the cooperation of electromagnetic lock and unlocking baffle, the wall door can be unlocked only after the control room agrees, providing dual safety guarantees of electrical signals and buzzers to ensure that the wall door can be unlocked in the Safe evacuation in emergencies.

Benefits of technology

The device provides additional evacuation safety guarantee in emergencies, through the cooperation of electromagnetic locks and buzzers, ensuring that the wall door can be opened only after the control room agrees, avoiding other risks of accidental touching, and improving passenger safety and Easy to operate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The dividing wall door unlocking device for the rail transit vehicle comprises a dividing wall door and an unlocking assembly, one side of the dividing wall door is hinged to a frame body, and the other side of the dividing wall door is connected with the frame body in an openable and closable mode through a door lock; the unlocking assembly is installed on the frame body and used for unlocking the dividing wall door after the request control room agrees. The unlocking assembly comprises an unlocking piece movably installed on the front side of the frame body, an electromagnetic lock and an unlocking baffle, the electromagnetic lock and the unlocking baffle are in driving connection with the unlocking piece, and the electromagnetic lock is electrically connected with an external control room; the electromagnetic lock is used for locking the unlocking piece and requesting the control room in the unlocking process of the unlocking piece; the unlocking baffle and the door lock correspond to each other and are matched with each other to lock the dividing wall door. The dividing wall door unlocking device for the rail transit vehicle overcomes the defect that an existing dividing wall door lock is not safe to use.
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Description

Technical Field

[0001] The utility model relates to the field of rail transit vehicles, in particular to a partition door unlocking device for rail transit vehicles. Background Art

[0002] Rail transit refers to a type of transportation or transportation system in which operating vehicles need to travel on specific tracks. Common rail transit includes traditional railways (national railways, intercity railways and urban railways), subways, light rails and trams. With the popularity of public transportation, rail transit has become a means of transportation that we often take for daily travel or travel.

[0003] As rail transit becomes more and more popular, in order to adapt to the laying and construction of tracks in different regions and sections, some lines may not have the conditions for lateral evacuation on both sides of the vehicle. Such vehicles need to be equipped with an emergency evacuation door at the front of the cab, and there is a partition door between the emergency door leading to the passenger room. This partition door is mainly to prevent passengers from accidentally entering the driver's cab and accidentally touching it, and criminals from hijacking the driver's cab. There are safety hazards. The existing partition door only has a mechanical door lock, that is, it can only be unlocked from one side of the control room. When an emergency occurs, there is an unsafe factor. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The problem to be solved by the utility model is to provide a partition door unlocking device for rail transit vehicles, so as to overcome the defect that the existing partition door lock is unsafe to use.

[0006] (II) Technical solution

[0007] In order to solve the technical problem, the utility model provides a partition door unlocking device for rail transit vehicles, comprising:

[0008] A partition door, one side of which is hinged to the frame, and the other side of which is connected to the frame in a switchable manner via a door lock;

[0009] An unlocking component is installed on the frame and is used to unlock the partition door after requesting the control room's consent; the unlocking component includes an unlocking member movably installed on the front side of the frame, and an electromagnetic lock and an unlocking baffle respectively connected to the unlocking member, and the electromagnetic lock is electrically connected to the external control room; the electromagnetic lock is used to lock the unlocking member and request the control room during the unlocking process of the unlocking member; the unlocking baffle corresponds to the door lock and cooperates with each other to lock the partition door.

[0010] In some embodiments, the unlocking member is sequentially provided with a closing position, a request position and an opening position along its movement direction; when the unlocking member is in the closing position, the unlocking baffle cooperates with the door lock to lock the partition door; when the unlocking member moves to the request position, the electromagnetic lock locks the unlocking member and requests the control room; after the request is passed, the unlocking member can continue to move to the opening position, the unlocking baffle unlocks the partition door, and the partition door can be rotated to open.

[0011] In some embodiments, the unlocking member is rotatably installed on the front side of the frame and is located on one side of the upper end of the partition door; the electromagnetic lock is installed on the rear side of the frame, and the unlocking baffle is slidably installed in the frame. The unlocking baffle is driven and connected to the unlocking member through a pull rope, and the pull rope is placed inside the frame.

[0012] In some embodiments, the door lock includes an oblique lock tongue and a secondary lock tongue that are arranged at intervals, and the unlocking baffle is provided with a first block corresponding to the oblique lock tongue and a second block corresponding to the secondary lock tongue, and the first block and the second block respectively lock the partition door by blocking the corresponding oblique lock tongue and the secondary lock tongue; when unlocking, the unlocking member rotates to drive the unlocking baffle to slide up, the first block offsets the oblique lock tongue, and the second block offsets the secondary lock tongue, and the partition door is unlocked; the frame is provided with an avoidance groove for the oblique lock tongue and the secondary lock tongue to pass through.

[0013] In some embodiments, the unlocking member includes a rotating handle and an arc-shaped seat connected to the rotating handle, and three limit grooves are arranged on the outer circumferential wall of the arc-shaped seat at equal intervals in the circumferential direction, and the three limit grooves correspond to the closed position, the request position and the open position respectively; the electromagnetic lock includes a pressure plate and a telescopic head that are opposed to each other, one end of the pressure plate is hinged on the main body of the electromagnetic lock, and the other end is provided with a roller, and the roller is in rolling contact with the outer circumferential wall of the arc-shaped seat.

[0014] In some embodiments, a buzzer is installed on the rear side of the frame, and the buzzer is electrically connected to the electromagnetic lock; when the roller rolls into the limiting groove in the middle, the telescopic head presses against the pressure plate, thereby locking the unlocking piece, the buzzer sounds, and at the same time the electromagnetic lock sends a request signal to the control room.

[0015] In some embodiments, an annular winding groove is provided on the unlocking member, a guide member is installed on one side of the unlocking member, one end of the pull rope is fixed in the annular winding groove, and the other end passes through the guide member and is connected to the unlocking baffle.

[0016] In some embodiments, a mounting seat is installed in the frame, the unlocking member is rotatably installed in the mounting seat, and the guide member is installed on the mounting seat; a mounting plate is fixed to the rear side of the frame, and the electromagnetic lock is fixed on the mounting plate.

[0017] In some embodiments, a cover plate mounting seat is installed on the front side of the frame, a cover plate is mounted on the cover plate mounting seat, a breakable plate for covering the unlocking member is provided at the center of the cover plate, and the edge of the breakable plate is connected to the cover plate through a thin wall; a center socket is provided at the center of the breakable plate, and the center socket corresponds to the lock core of the unlocking member.

[0018] In some embodiments, a lock box is fixed in the frame, the unlocking baffle is slidably installed in the lock box, a spring is installed between the unlocking baffle and the lock box, and the spring is used to reset the unlocking baffle.

[0019] (III) Beneficial effects

[0020] The utility model provides a partition door unlocking device for rail transit vehicles, which has the following advantages compared with the prior art:

[0021] 1) Considering the response measures in emergency situations, a partition door unlocking device is set up to ensure that if passengers are unable to evacuate to the side of the passenger compartment in an emergency, they can evacuate safely by unlocking the partition door of the driver's compartment, providing more escape options and an additional guarantee for life safety;

[0022] 2) In an emergency, remove the breakable plate and a rotating handle will appear. The handle can be rotated in three gears: close-request-open; rotate the handle to the request position to trigger the electromagnetic lock on the back, which is converted from a mechanical trigger to an electrical signal. One signal is transmitted to the buzzer to sound an alarm, and the other request signal is transmitted to the vehicle control room. The vehicle control room determines the request signal to determine whether it needs to be opened or there are other risks of accidentally touching it. Only after waiting for the control room's consent can the handle be rotated to the open position again, and the partition door can be opened. It can take into account the dual safety guarantees of the control room and passengers in emergency situations, is simple to operate, and has good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 This is a three-dimensional diagram of a partition door unlocking device for rail transit vehicles according to the utility model;

[0025] Figure 2 This is a three-dimensional diagram of another perspective of a partition door unlocking device for rail transit vehicles according to the utility model;

[0026] Figure 3 This is a three-dimensional diagram of the connection between a partition door and an unlocking assembly of a partition door unlocking device for a rail transit vehicle according to the utility model;

[0027] Figure 4 It is a three-dimensional diagram of an unlocking assembly of a partition door unlocking device for a rail transit vehicle according to the utility model;

[0028] Figure 5 This is an exploded view of an unlocking assembly of a partition door unlocking device for a rail transit vehicle according to the utility model;

[0029] Figure 6 This is a structural schematic diagram of a cover plate of a partition door unlocking device for a rail transit vehicle according to the utility model;

[0030] Figure 7 This is a structural schematic diagram of an unlocking member of a partition door unlocking device for a rail transit vehicle according to the utility model;

[0031] Figure 8 This is a three-dimensional diagram of the connection between an unlocking member and an electromagnetic lock of a partition door unlocking device for a rail transit vehicle according to the utility model;

[0032] Fig. 9 This is a schematic structural diagram of the connection between an unlocking baffle and a door lock of a partition door unlocking device for rail transit vehicles according to the utility model;

[0033] Fig.10 This is a three-dimensional diagram of the connection between the unlocking member and the pull rope of the partition door unlocking device for rail transit vehicles of the utility model;

[0034] Fig.11 It is a three-dimensional diagram of the unlocking member and the pull rope connection of the partition door unlocking device for rail transit vehicles of the utility model from another perspective;

[0035] The names of the components corresponding to the various figure marks in the figure are: 1. partition door; 2. frame; 21. avoidance groove; 3. door lock; 31. oblique lock tongue; 32. secondary lock tongue; 4. unlocking assembly; 41. unlocking member; 42. electromagnetic lock; 43. unlocking baffle; 44. pull rope; 45. guide member; 46. mounting seat; 47. mounting plate; 48. cover plate mounting seat; 49. cover plate; 50. lock box; 411. rotating handle; 412. arc seat; 413. limiting groove; 414. annular winding groove; 415. lock core; 421. pressure plate; 422. telescopic head; 423. roller; 431. first block; 432. second block; 491. crushable plate; 492. thin wall; 493. center socket. DETAILED DESCRIPTION

[0036] The present application is described in detail below with reference to the accompanying drawings and specific embodiments.

[0037] The following describes the implementation methods of the present application through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The present application can also be implemented or applied through other different specific implementation methods, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, in the absence of conflict, the following embodiments and the features in the embodiments can be combined with each other. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work belong to the scope of protection of the present application.

[0038] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on the present application, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspect described herein can be used to implement the device and / or practice the method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this device and / or practice this method.

[0039] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application. The drawings only show components related to the present application rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0040] Additionally, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the examples can be practiced without these specific details.

[0041] The technical solutions provided by various embodiments of the present application are described below in conjunction with the accompanying drawings.

[0042] See also Figures 1 to 11 The utility model provides a partition door unlocking device for a rail transit vehicle, comprising a partition door 1 and an unlocking assembly 4.

[0043] See also Figures 1 to 4 , one side of the partition door 1 is hinged on the frame 2, and the other side of the partition door 1 is connected to the frame 2 through the door lock 3. The unlocking component 4 is installed on the frame 2, and is used to unlock the partition door 1 after requesting the control room's consent; cabinets are provided at both ends of the rear side of the frame 2, which can hide the unlocking component 4, making the overall structure more concise and beautiful in appearance. The unlocking component 4 includes an unlocking member 41 movably installed on the front side of the frame 2, and an electromagnetic lock 42 and an unlocking baffle 43 respectively connected to the unlocking member 41 by driving, and the electromagnetic lock 42 is electrically connected to the external control room; the electromagnetic lock 42 is used to lock the unlocking member 41 and request the control room during the unlocking process of the unlocking member 41. The unlocking baffle 43 corresponds to the door lock 3 and cooperates with each other to lock the partition door 1. Among them, the door lock 3 and the electromagnetic lock 42 are both prior arts, and will not be described in detail in this embodiment. For safety reasons, in this unlocking device, if an emergency occurs and the vehicle is powered off, the electromagnetic lock will automatically unlock, and the operator can directly drive the unlocking member 41 to open it without authorization from the train control room.

[0044] In some embodiments, Figure 7 and Figure 8 As shown, the unlocking member 41 is sequentially provided with a closing position, a requesting position and an opening position along its moving direction, and the requesting position is located in the middle of the closing position and the opening position. The unlocking member 41 can move between the three positions by sliding or rotating. When the unlocking member 41 is in the closing position, the unlocking baffle 43 cooperates with the door lock 3 to lock the partition door 1; when the unlocking member 41 moves to the requesting position, the electromagnetic lock 42 locks the unlocking member 41 and requests the control room; after the request is passed, the electromagnetic lock 42 is unlocked, the unlocking member 41 can continue to move to the opening position, the unlocking baffle 43 unlocks the partition door 1, and the partition door 1 can be rotated to open.

[0045] In some embodiments, Figure 4 and Figure 5 As shown, the unlocking member 41 is rotatably mounted on the front side of the frame 2 and is located on one side of the upper end of the partition door 1. The unlocking member 41 is rotatable, which is more convenient to operate. The electromagnetic lock 42 is mounted on the rear side of the frame 2, and the unlocking baffle 43 is slidably mounted in the frame 2. The unlocking baffle 43 is connected to the unlocking member 41 through a pull rope 44, which is placed inside the frame 2 and can be a steel wire rope.

[0046] In some embodiments, Figure 5 and Fig. 9As shown, the door lock 3 includes an oblique lock tongue 31 and a secondary lock tongue 32 arranged at intervals, and the unlocking baffle 43 is provided with a first stopper 431 corresponding to the oblique lock tongue 31 and a second stopper 432 corresponding to the secondary lock tongue 32, and the first stopper 431 and the second stopper 432 respectively lock the partition door 1 by blocking the corresponding oblique lock tongue 31 and the secondary lock tongue 32. When unlocking, the unlocking member 41 rotates, drives the unlocking baffle 43 to slide upward, the first stopper 431 staggers the oblique lock tongue 31, and the second stopper 432 staggers the secondary lock tongue 32, and the partition door 1 is unlocked; the frame 2 is provided with an avoidance groove 21 for the oblique lock tongue 31 and the secondary lock tongue 32 to pass through, and when the first stopper 431 and the second stopper 432 slide upward and are displaced, the partition door can be rotated to open, and the oblique lock tongue 31 and the secondary lock tongue 32 can be rotated out from the corresponding avoidance groove 21 to prevent interference. This unlocking device can be used for partition door locks that can be reversed. In the past, unlocking devices could only unlock one lock tongue, which means that the driver could not reversely lock the door, which caused hidden dangers. This door lock can unlock the reversely locked secondary lock tongue, which is more secure.

[0047] In some embodiments, Figure 8 , Fig.10 and Fig.11 As shown, the unlocking member 41 includes a rotating handle 411 and an arc seat 412 connected to the rotating handle 411. Three limiting grooves 413 are arranged at equal intervals along the circumferential direction on the outer circumferential wall of the arc seat 412. The three limiting grooves 413 correspond to the closed position, the request position and the open position respectively. The electromagnetic lock 42 includes a pressure plate 421 and a telescopic head 422 that are arranged against each other. One end of the pressure plate 421 is hinged on the main body of the electromagnetic lock 42. The other end of the pressure plate 421 is provided with a roller 423. The roller 423 rolls with the outer circumferential wall of the arc seat 412. The roller 423 can reduce friction and has a good use effect. A buzzer is installed on the rear side of the frame 2, and the buzzer is electrically connected to the electromagnetic lock 42; when the roller 423 rolls into the limiting groove 413 in the middle, the telescopic head 422 presses against the pressure plate 421, thereby locking the unlocking member 41, the buzzer sounds, and the electromagnetic lock 42 sends a request signal to the control room.

[0048] In some embodiments, Figure 8 , Fig.10 and Fig.11 As shown, the unlocking member 41 is provided with an annular winding groove 414, a guide member 45 is installed on one side of the unlocking member 41, one end of the pull rope 44 is fixed in the annular winding groove 414, and the other end passes through the guide member 45 and is connected to the unlocking baffle 43, and the guide member 45 is provided with a through hole for the pull rope 44 to pass through. When the unlocking member 41 rotates, the pull rope 44 can be wound in the annular winding groove 414, and the use effect is good.

[0049] In some embodiments, Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, a mounting seat 46 is installed in the frame 2, and the unlocking member 41 is rotatably installed in the mounting seat 46, wherein the rotating handle 411 is placed on the front side of the mounting seat 46, the arc seat 412 is located on the rear side of the mounting seat 46, and the guide member 45 is installed on the rear side of the mounting seat 46; a mounting plate 47 is fixed to the rear side of the frame 2, and the electromagnetic lock 42 is fixed on the mounting plate 47; this method has a reasonable layout and a simple and compact structure.

[0050] In some embodiments, Figure 5 and Figure 6 As shown, in order to prevent accidental touch, a cover plate mounting seat 48 is installed on the front side of the frame 2, and a cover plate 49 made of plastic is installed on the cover plate mounting seat 48. A breakable plate 491 for covering the unlocking member 41 is arranged at the center of the cover plate 49. The edge of the breakable plate 491 is connected to the cover plate 49 through a thin wall 492, and a buckle hole is arranged between two adjacent thin walls 492, so that fingers can be inserted to pull off the breakable plate 491. A central plug hole 493 is arranged at the center of the breakable plate 491, and the central plug hole 493 corresponds to the lock core 415 of the unlocking member 41. By setting the central plug hole 493, train maintenance personnel can use a special key to pass through the cover plate 49 to inspect it without destroying the cover plate 49, saving costs.

[0051] In some embodiments, Figure 5 and Fig. 9 As shown, a lock box 50 is fixed in the frame 2, and an unlocking baffle 43 is slidably installed in the lock box 50. A spring is installed between the unlocking baffle 43 and the lock box 50, and the spring is used to reset the unlocking baffle 43. A plurality of guide posts are arranged in the lock box 50, and a plurality of guide holes adapted to the guide posts are arranged on the unlocking baffle 43, so that the guiding effect is good.

[0052] The same and similar parts between the various embodiments in this specification can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0053] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A partition door unlocking device for rail transit vehicles, characterized in that: include: A partition door (1), one side of which is hinged on a frame (2), and the other side of which is connected to the frame (2) via a door lock (3) so as to be switchable; An unlocking assembly (4) is mounted on the frame (2) and is used to unlock the partition door (1) after requesting the control room's consent; the unlocking assembly (4) comprises an unlocking member (41) movably mounted on the front side of the frame (2) and an electromagnetic lock (42) and an unlocking baffle (43) respectively connected to the unlocking member (41) by driving, wherein the electromagnetic lock (42) is electrically connected to the external control room; the electromagnetic lock (42) is used to lock the unlocking member (41) and request the control room during the unlocking process of the unlocking member (41); the unlocking baffle (43) corresponds to the door lock (3) and cooperates with each other to lock the partition door (1).

2. The partition door unlocking device for rail transit vehicles according to claim 1, characterized in that: The unlocking member (41) is sequentially provided with a closing position, a requesting position and an opening position along its moving direction; when the unlocking member (41) is in the closing position, the unlocking baffle (43) cooperates with the door lock (3) to lock the partition door (1); when the unlocking member (41) moves to the requesting position, the electromagnetic lock (42) locks the unlocking member (41) and requests the control room; after the request is passed, the unlocking member (41) can continue to move to the opening position, the unlocking baffle (43) unlocks the partition door (1), and the partition door (1) can be rotated to open.

3. The partition door unlocking device for rail transit vehicles according to claim 1, characterized in that: The unlocking member (41) is rotatably mounted on the front side of the frame (2) and is located on one side of the upper end of the partition door (1); the electromagnetic lock (42) is mounted on the rear side of the frame (2), and the unlocking baffle (43) is slidably mounted in the frame (2); the unlocking baffle (43) is driven and connected to the unlocking member (41) via a pull rope (44), and the pull rope (44) is placed inside the frame (2).

4. The partition door unlocking device for rail transit vehicles according to claim 3, characterized in that: The door lock (3) comprises an oblique lock tongue (31) and a secondary lock tongue (32) which are arranged at intervals; the unlocking baffle (43) is provided with a first block (431) corresponding to the oblique lock tongue (31) and a second block (432) corresponding to the secondary lock tongue (32); the first block (431) and the second block (432) respectively lock the partition door (1) by blocking the corresponding oblique lock tongue (31) and the secondary lock tongue (32); when unlocking, the unlocking member (41) rotates to drive the unlocking baffle (43) to slide upward, the first block (431) staggers the oblique lock tongue (31), and the second block (432) staggers the secondary lock tongue (32), and the partition door (1) is unlocked; the frame (2) is provided with an avoidance groove (21) for the oblique lock tongue (31) and the secondary lock tongue (32) to pass through.

5. The partition door unlocking device for rail transit vehicles according to claim 2, characterized in that: The unlocking member (41) comprises a rotating handle (411) and an arc seat (412) connected to the rotating handle (411); three limiting grooves (413) are arranged on the outer circumferential wall of the arc seat (412) at equal intervals in the circumferential direction; the three limiting grooves (413) respectively correspond to the closed position, the request position and the open position; the electromagnetic lock (42) comprises a pressure plate (421) and a telescopic head (422) which are arranged against each other; one end of the pressure plate (421) is hinged on the main body of the electromagnetic lock (42); the other end is provided with a roller (423); the roller (423) is in rolling contact with the outer circumferential wall of the arc seat (412).

6. The partition door unlocking device for rail transit vehicles according to claim 5, characterized in that: A buzzer is installed on the rear side of the frame (2), and the buzzer is electrically connected to the electromagnetic lock (42); when the roller (423) rolls into the limiting groove (413) located in the middle, the telescopic head (422) presses against the pressure plate (421), thereby locking the unlocking member (41), the buzzer sounds, and at the same time the electromagnetic lock (42) sends a request signal to the control room.

7. The partition door unlocking device for rail transit vehicles according to claim 3, characterized in that: The unlocking member (41) is provided with an annular winding groove (414), a guide member (45) is installed on one side of the unlocking member (41), one end of the pull rope (44) is fixed in the annular winding groove (414), and the other end passes through the guide member (45) and is connected to the unlocking baffle (43).

8. The partition door unlocking device for rail transit vehicles according to claim 7, characterized in that: A mounting seat (46) is installed in the frame (2), the unlocking member (41) is rotatably installed in the mounting seat (46), and the guide member (45) is installed on the mounting seat (46); a mounting plate (47) is fixed on the rear side of the frame (2), and the electromagnetic lock (42) is fixed on the mounting plate (47).

9. The partition door unlocking device for rail transit vehicles according to claim 8, characterized in that: A cover plate mounting seat (48) is installed on the front side of the frame (2), and a cover plate (49) is installed on the cover plate mounting seat (48). A breakable plate (491) for covering the unlocking member (41) is arranged at the center of the cover plate (49), and the edge of the breakable plate (491) is connected to the cover plate (49) through a thin wall (492); a central plug hole (493) is arranged at the center of the breakable plate (491), and the central plug hole (493) corresponds to the lock core (415) of the unlocking member (41).

10. The partition door unlocking device for rail transit vehicles according to claim 1, characterized in that: A lock box (50) is fixed in the frame (2), the unlocking baffle (43) is slidably installed in the lock box (50), a spring is installed between the unlocking baffle (43) and the lock box (50), and the spring is used to reset the unlocking baffle (43).