Small-space hidden escape lock for rail transit platform door

Abstract

The utility model relates to a small -space hidden escape lock for rail transit platform door belongs to the field of escape lock, including lock cylinder, one end of lock cylinder is the lock eye end, the other end of lock cylinder is the axle body end, its characterized in that: handle and rotating plate are set up on lock cylinder, handle is located the axle body end of lock cylinder, the rotating plate is connected with the brake cable assembly, the locking device of brake cable assembly flexible connection electromagnetic lock. The utility model can place handle in the accommodating groove, and the outer lateral wall of handle means is flush with the door frame surface, not only beautiful, can also avoid the scratch caused by installing in the door frame outside, and still can realize manual unlocking under the condition that the installation space is limited, the automatic reset structure is simple, the length of brake cable assembly is adjustable, is convenient for applicable to the sliding door of different size, the structure size can be installed in the door frame structure of multiple specifications and models.

Description

Technical Field

[0001] This utility model relates to a small-space concealed escape lock for rail transit platform doors, belonging to the field of escape locks. Background Technology

[0002] Platform screen doors are facilities installed on the edge of railway platforms to separate the platform area from the track area. Platform screen doors mainly include sliding doors, fixed doors, and emergency doors. Sliding doors are electrically operated doors that can be opened and closed, allowing passengers to board and alight when trains arrive. Normally, the opening and closing commands for sliding doors are issued by the train signaling system, which controls the electromagnetic lock's locking device to unlock or lock. However, for safety reasons and to prevent situations such as power outages or the unlocking system failing to register, each set of sliding doors is equipped with a manual unlocking device.

[0003] Chinese utility model patent CN210888435U discloses a platform door lock device for rail transit, including a main lock housing. A locking cam is vertically mounted inside the main lock housing, and a camshaft is inserted into the locking cam. A camshaft coupling is located inside the main lock housing and connected to the camshaft. The camshaft coupling is connected to an electromagnet cam, which is connected to a pawl arm mounted inside the main lock housing. The pawl arm is mounted on the main lock housing via bolts and bearings. The bolts are inserted into the bearings and then extend into the pawl arm to lock it securely. A switch cam sleeve is horizontally mounted on the main lock housing, and an electromagnet sliding sleeve is installed inside the switch cam sleeve. An electromagnet is located inside the electromagnet sliding sleeve and is fixedly connected to the main lock housing. An arm button is located inside the electromagnet and is connected to the electromagnet via a shaft. The electromagnet faces the pawl arm. A microswitch is mounted on one side of the main lock housing and connected to the electromagnet. This utility model is easy to operate and has high precision. However, in the existing technology, door locks have complex structures and large volumes, which pose obstacles to installation and use in the confined space of door frames.

[0004] Therefore, there is a need for a small-space concealed escape lock for rail transit platform doors that can still be manually unlocked even with limited installation space and a simplified structure. Utility Model Content

[0005] The technical problem to be solved by this utility model is: in order to overcome the shortcomings of the prior art, to provide a small-space concealed escape lock for rail transit platform doors that can still be manually unlocked under the condition of limited installation space by simplifying the structure.

[0006] 1. The technical solution adopted by this utility model to solve the above problems is as follows: a small-space concealed escape lock for rail transit platform doors, including a lock cylinder, one end of the lock cylinder being a keyhole end and the other end of the lock cylinder being a shaft end, characterized in that: a handle and a rotating plate are provided on the lock cylinder, the handle is located at the shaft end of the lock cylinder, a gate wire assembly is connected to the rotating plate, and the gate wire assembly is flexibly connected to the locking device of the electromagnetic lock.

[0007] Preferably, the handle includes a connecting section, a pulling means, and a bending section, wherein the bending section and the connecting section are respectively disposed at both ends of the pulling means.

[0008] Preferably, the connecting section, tensioning method, and bending section are integrally formed structures.

[0009] Preferably, the connecting section is detachably fixed to the shaft end of the lock cylinder by screws.

[0010] Preferably, the lock cylinder has a lock eye plug at the key eye end.

[0011] Preferably, a lock cylinder cover is fixedly fitted onto the outer peripheral wall of the lock cylinder lock eye end.

[0012] Preferably, the gate cable assembly includes a fixed base and a connecting frame. The connecting frame is connected to a rotating plate, and the fixed base is located below the connecting frame. The connecting frame and the fixed base are connected by an elastic element. A guide tube is vertically fixedly inserted on the fixed base, and a lifting rod is vertically inserted inside the guide tube. The top end of the lifting rod is connected to the connecting frame, and the bottom end of the lifting rod is connected to the gate cable. The gate cable is connected to the locking device of the electromagnetic lock.

[0013] Preferably, the brake line is a steel wire rope.

[0014] Preferably, the elastic element is a spring.

[0015] Preferably, the top of the rotating plate is provided with a groove, and the connecting bracket is hooked into the groove.

[0016] Compared with the prior art, the advantages of this utility model are: 1. The handle can be placed in the receiving groove, and the outer wall of the pull handle is flush with the surface of the door frame. This is not only aesthetically pleasing, but also avoids scratches caused by installation on the outside of the door frame. At the same time, manual unlocking can still be achieved even under conditions of limited installation space. 2. The automatic reset structure is simple; 3. The length of the gate cable assembly is adjustable, making it suitable for sliding doors of different sizes; 4. The structural dimensions allow it to be installed in various specifications and models of door frame structures.

[0017] This utility model relates to a small-space concealed escape lock for rail transit platform doors. Attached Figure Description

[0018] Figure 1 This is a structural schematic diagram of a small-space concealed escape lock for rail transit platform doors according to this utility model; Figure 2 This is a schematic diagram of the first structure of the small-space concealed escape lock for rail transit platform doors in use. Figure 3 This is a second structural diagram of the small-space concealed escape lock for rail transit platform doors in use. Figure 4 This is a schematic diagram of the first connection structure between the handle and the lock cylinder; Figure 5 This is a schematic diagram of the second connection structure between the handle and the lock cylinder.

[0019] in: 1. Lock cylinder, 2. Lock eye plug, 3. Lock eye cover, 4. Handle, 5. Screw, 6. Turning plate, 7. Brake cable assembly, 8. Groove, 9. Door frame, 10. Receiving groove; Connecting section 41, tensioning device 42, bending section 43; Fixed base 71, connecting frame 72, elastic element 73, guide tube 74, lifting rod 75, gate cable 76. Detailed Implementation

[0020] like Figures 1 to 5 As shown in this embodiment, a small-space concealed escape lock for rail transit platform doors includes: Lock cylinder 1; One end of the lock cylinder 1 is the keyhole end, and the other end of the lock cylinder 1 is the shaft end. The keyhole end of the lock cylinder 1 is provided with a keyhole plug plate 2, and a keyhole cover 3 is fixedly sleeved on the outer peripheral wall of the keyhole end of the lock cylinder 1. Handle 4; The handle 4 is detachably and fixedly mounted on the shaft end of the lock cylinder 1; The handle 4 includes a connecting section 41, a pull handle 42, and a bending section 43. The bending section 43 and the connecting section 41 are respectively disposed at both ends of the pull handle 42. The connecting section 41 is detachably fixed to the shaft end of the lock cylinder 1 by screws 5. The connecting section 41, the pull handle 42, and the bending section 43 are integrally formed structures. Rotating plate 6; The rotating plate 6 is fixedly mounted on the lock cylinder 1. Specifically, the rotating plate 6 is fixedly connected to the shaft end of the lock cylinder 1. During the rotation of the shaft of the lock cylinder 1, the rotating plate 6 can be driven to rotate synchronously. Gate assembly 7; The gate cable assembly 7 is connected to the rotating plate 6, and the locking device of the electromagnetic lock is flexibly connected through the gate cable assembly 7; The gate cable assembly 7 includes a fixed base 71 and a connecting frame 72. The connecting frame 72 is connected to the rotating plate 6. The fixed base 71 is located below the connecting frame 72. The connecting frame 72 and the fixed base 71 are connected by an elastic element 73, which is a spring. A guide tube 74 is vertically fixedly inserted on the fixed base 71. A lifting rod 75 is vertically inserted inside the guide tube 74. The top end of the lifting rod 75 is connected to the connecting frame 72. The bottom end of the lifting rod 75 is connected to a gate cable 76. The gate cable 76 is connected to the locking device of the electromagnetic lock. The gate cable 76 is a steel wire rope. The top of the rotating plate 6 is provided with a groove 8, and the connecting frame 72 is hooked to the groove 8; When in use, the rail transit platform door is installed on the sliding door frame 9 with a small-space concealed escape lock; In fact, the outer surface of the door frame 9 is recessed to form a receiving groove 10, which is used to receive the handle 4; During installation; The handle 4 can be placed in the receiving groove 10, and the outer wall of the pull handle 42 is flush with the surface of the door frame 9. This is not only aesthetically pleasing, but also avoids scratches caused by installation on the outside of the door frame 9. At the same time, manual unlocking can still be achieved under the condition of limited installation space. The lock cylinder 1 passes through the door frame 9, and the keyhole end of the lock cylinder 1 is placed outside the door frame 9, while the keyhole cover 3 is attached to the outer wall of the door frame 9. The rotating plate 6 and the gate cable assembly 7 are placed in the internal cavity of the door frame 9, and the fixing seat 71 is fixed to the inner wall of the door frame 9; There are two unlocking methods: Method 1: Pull handle 4 to rotate lock cylinder 1. The rotation of lock cylinder 1 drives rotating plate 6 to rotate upward. The rotation of rotating plate 6 drives lifting rod 75 to rise in guide tube 74 through connecting frame 72, and causes spring to deform. The rise of lifting rod 75 pulls brake line 76, so that brake line 76 controls the locking device to unlock. Method 2: Insert the triangular key into the lock cylinder 1 and rotate it, so that the rotating plate 6 rotates upward. The rotation of the rotating plate 6 drives the lifting rod 75 to rise in the guide tube 74 through the connecting frame 72, and causes the spring to deform. The rise of the lifting rod 75 pulls the brake line 76, so that the brake line 76 controls the locking device to unlock. When the handle 4 or the triangular key is released, the elasticity of the spring causes the connecting frame 72 to pull the rotating plate 6 to rotate in the opposite direction to achieve a reset, that is, to reset the lock cylinder 1 and the handle 4, thus achieving the automatic reset of the escape lock. The structure is simple. At this time, the gate cable 76 is released, and the locking device of the electromagnetic lock is in the locked state.

[0021] It should be noted that the length of the gate assembly 7 is adjustable, making it suitable for sliding doors of different sizes. In addition to the above embodiments, this utility model also includes other implementation methods. All technical solutions formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of this utility model.

Claims

1. A small-space concealed escape lock for rail transit platform doors, comprising a lock cylinder (1), one end of the lock cylinder (1) being a keyhole end, and the other end of the lock cylinder (1) being a shaft end, characterized in that: The lock cylinder (1) is provided with a handle (4) and a rotating plate (6). The handle (4) is located at the shaft end of the lock cylinder (1). The rotating plate (6) is connected to a gate wire assembly (7), which is flexibly connected to the locking device of the electromagnetic lock.

2. The small-space concealed escape lock for rail transit platform doors according to claim 1, characterized in that: The handle (4) includes a connecting section (41), a pulling means (42), and a bending section (43), wherein the bending section (43) and the connecting section (41) are respectively disposed at both ends of the pulling means (42).

3. A small-space concealed escape lock for rail transit platform doors according to claim 2, characterized in that: The connecting section (41), the tensioning method (42), and the bending section (43) are integrally formed structures.

4. A small-space concealed escape lock for rail transit platform doors according to claim 2, characterized in that: The connecting section (41) is detachably fixed to the shaft end of the lock cylinder (1) by screws (5).

5. A small-space concealed escape lock for rail transit platform doors according to claim 1, characterized in that: The lock cylinder (1) is provided with a lock eye plug (2) at the lock eye end.

6. A small-space concealed escape lock for rail transit platform doors according to claim 1, characterized in that: A lock eye cover (3) is fixedly fitted on the outer peripheral wall of the lock eye end of the lock cylinder (1).

7. A small-space concealed escape lock for rail transit platform doors according to claim 1, characterized in that: The gate cable assembly (7) includes a fixed base (71) and a connecting frame (72). The connecting frame (72) is connected to the rotating plate (6). The fixed base (71) is located below the connecting frame (72). The connecting frame (72) and the fixed base (71) are connected by an elastic element (73). A guide tube (74) is vertically fixed on the fixed base (71). A lifting rod (75) is vertically inserted inside the guide tube (74). The top end of the lifting rod (75) is connected to the connecting frame (72). The bottom end of the lifting rod (75) is connected to a gate cable (76). The gate cable (76) is connected to the locking device of the electromagnetic lock.

8. A small-space concealed escape lock for rail transit platform doors according to claim 7, characterized in that: The gate line (76) is a steel wire rope.

9. A small-space concealed escape lock for rail transit platform doors according to claim 7, characterized in that: The elastic element (73) is a spring.

10. A small-space concealed escape lock for rail transit platform doors according to claim 7, characterized in that: The top of the rotating plate (6) is provided with a groove (8), and the connecting frame (72) is hooked to the groove (8).

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