Locking device for subway passenger room door failure

Abstract

The utility model discloses a locking device used when a subway passenger room door breaks down, and relates to the technical field of supporting facilities of rail transit. Comprising a left side plate and a right side plate, wherein one side of the left side plate is clamped with a handle groove of a subway passenger room door; one end of the right side plate is clamped with the other handle groove of the subway passenger room door; a bolt rod transversely and sequentially penetrates through the middle of the left side plate and the middle of the right side plate, the bolt rod is in threaded connection with the right side plate, a rotating plate is arranged at the end, extending out of the right side plate, of the bolt rod, a limiting plate is arranged at the other end of the bolt rod, and the limiting plate abuts against the end, away from the right side plate, of the left side plate. Through the arrangement of the left side plate, the right side plate and the bolt rod, during use, the left side plate and the right side plate are clamped with handle grooves of subway passenger room doors on the two sides respectively, then the bolt rod is controlled to rotate, the subway passenger room doors can be locked when the subway passenger room doors break down, and running safety of a subway is guaranteed.

Description

Technical Field

[0001] This utility model relates to the technical field of supporting facilities for rail transit, and more specifically to a locking device for subway passenger car doors in case of malfunction. Background Technology

[0002] Passenger car doors are an important component of subway trains, allowing passengers to board and alight. According to the driving power, they can be divided into pneumatic doors and electric doors; according to the opening and structural form, they can be divided into sliding doors and plug doors.

[0003] However, in the current technology, subway passenger car doors often fail to close completely due to malfunctions during use. When subway passenger car doors malfunction, staff need to manually cut off the power and forcibly close and lock them. However, they will still open during operation, making it impossible to effectively close the doors, which poses a high risk.

[0004] Therefore, how to provide a locking device for subway passenger car doors that can close and lock both sides of the doors when the doors malfunction is a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0005] In view of this, the present invention provides a locking device for subway passenger car doors when they malfunction, aiming to solve the problems in the background art mentioned above, and to close and lock the doors on both sides when the subway passenger car doors malfunction.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A locking device for a subway passenger compartment door in case of malfunction includes:

[0008] The left side panel, one side of which engages with a handle slot of the subway passenger compartment door;

[0009] The right side panel, one end of which is engaged with the other handle slot of the subway passenger compartment door;

[0010] A bolt rod is provided, which transversely passes through the middle of the left side plate and the right side plate in sequence. The bolt rod is threadedly connected to the right side plate. A rotating plate is provided at one end of the bolt rod that extends out of the right side plate. A limiting plate is provided at the other end of the bolt rod. The limiting plate abuts against the end of the left side plate away from the right side plate.

[0011] Furthermore, a left card slot is provided at the end of the left side panel away from the subway passenger car door, and a right card slot is provided at the end of the right side panel away from the subway passenger car door. A telescopic rod is provided between the left card slot and the right card slot, with one end of the telescopic rod abutting against the left card slot and the other end of the telescopic rod abutting against the right card slot.

[0012] Furthermore, the telescopic rod includes a forward and reverse screw cylinder, a left-hand screw rod, and a right-hand screw rod. One end of the left-hand screw rod abuts against the left slot, and one end of the left-hand screw rod is threadedly connected to the forward and reverse screw cylinder. The other end of the forward and reverse screw cylinder is threadedly connected to one end of the right-hand screw rod, and the end of the right-hand screw rod away from the forward and reverse screw cylinder abuts against the right slot.

[0013] Furthermore, a spring is provided on the left side plate, and the other end of the spring is connected to the right side plate.

[0014] Furthermore, an internally threaded cylinder is fixedly connected to the right side plate, and the internally threaded cylinder is threadedly connected to the bolt rod.

[0015] Furthermore, a sleeve is fitted on the outer wall of the internally threaded cylinder, one end of which slides on the internally threaded cylinder, and the other end of which is fixedly connected to the left side plate.

[0016] Furthermore, an anti-slip pad is provided at the end of the left side plate that engages with the handle groove, and an anti-slip pad is provided at the end of the right side plate that engages with the handle groove.

[0017] As can be seen from the above technical solution, compared with the prior art, this utility model discloses a locking device for subway passenger car doors in case of malfunction. By setting a left side plate, a right side plate, and a bolt rod, in use, the left side plate and the right side plate respectively engage with the handle grooves of the subway passenger car doors on both sides. Then, by controlling the rotation of the bolt rod, the bolt rod is threadedly connected to the right side plate and abuts against the side of the left side plate away from the right side plate, which can shorten the distance between the left side plate and the right side plate, thereby shortening the distance between the two subway passenger car doors. This allows the subway passenger car doors to be locked when a malfunction occurs, ensuring the safe operation of the subway. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0019] Figure 1This utility model provides an overall structural diagram of a locking device for a subway passenger compartment door in case of malfunction.

[0020] Wherein: 1 is the left side panel; 2 is the subway passenger car door; 3 is the handle groove; 4 is the right side panel; 5 is the bolt rod; 6 is the rotating plate; 7 is the limiting plate; 8 is the left slot; 9 is the right slot; 10 is the telescopic rod; 101 is the forward and reverse screw sleeve; 102 is the left-hand screw rod; 103 is the right-hand screw rod; 11 is the spring; 12 is the internal threaded sleeve; 13 is the sleeve; 14 is the anti-slip pad. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] See Figure 1 This utility model discloses a locking device for a subway passenger compartment door malfunction, comprising:

[0023] The left side plate 1 has one side that engages with a handle slot 3 of the subway passenger car door 2; the right side plate 4 has one end that engages with another handle slot 3 of the subway passenger car door 2. In this embodiment, the left side plate 1 and the right side plate 4 are respectively set in two corresponding handle slots 3 of the subway passenger car door 2. In other embodiments, a frame can be installed on the left side plate 1 and the right side plate 4, and the left side plate 1 and the right side plate 4 can be fixedly connected to the subway passenger car door 2 by bolts through the frame.

[0024] Bolt rod 5 extends laterally through the middle of the left side plate 1 and the right side plate 4. Bolt rod 5 is threadedly connected to the right side plate 4. A rotating plate 6 is provided at one end of bolt rod 5 extending out of the right side plate 4, and a limiting plate 7 is provided at the other end of bolt rod 5. The limiting plate 7 abuts against the end of the left side plate 1 away from the right side plate 4. In this embodiment, bolt rod 5 is rotatably connected to the left side plate 1. By rotating bolt rod 5, the distance between the left side plate 1 and the right side plate 4 will decrease. Thus, under the action of bolt rod 5, the left side plate 1 and the right side plate 4 can pull the two doors closer until they contact each other and lock the two doors.

[0025] A left slot 8 is provided on the left side panel 1 at the end away from the subway passenger door 2, and a right slot 9 is provided on the right side panel 4 at the end away from the subway passenger door 2. A telescopic rod 10 is provided between the left slot 8 and the right slot 9. One end of the telescopic rod 10 abuts against the left slot 8, and the other end of the telescopic rod 10 abuts against the right slot 9. The telescopic rod 10 includes a reversible screw cylinder 101, a left-hand screw rod 102, and a right-hand screw rod 103. One end of the left-hand screw rod 102 abuts against the left slot 8, and the other end of the left-hand screw rod 102 is threadedly connected to the reversible screw cylinder 101. The other end of the reversible screw cylinder 101 is threadedly connected to one end of the right-hand screw rod 103. The end of the right-hand screw rod 103 away from the reversible screw cylinder 101 abuts against the right slot 9. In this embodiment, by setting the telescopic rod 10, the left side plate 1 and the right side plate 4 can be prevented from rotating during use, thereby effectively preventing the left side plate 1 and the right side plate 4 from disengaging from the handle slot 3, which can increase the safety of the device. During use, after tightening the bolt rod 5, the left-hand screw rod 102 and the right-hand screw rod 103 can be abutted against the left slot 8 and the right slot 9 respectively. Then, the reversible screw cylinder 101 is rotated, which can lift the end of the left side plate 1 and the right side plate 4 away from the handle slot 3, thereby increasing the firmness of the locking device.

[0026] A spring 11 is provided on the left side plate 1, and the other end of the spring 11 is connected to the right side plate 4. In this embodiment, by providing the spring 11, it is possible to prevent the left side plate 1 and the right side plate 4 from being damaged and breaking apart, thereby ensuring the safety of the personnel using the locking device.

[0027] An internally threaded cylinder 12 is fixedly connected to the right side plate 4, and the internally threaded cylinder 12 is threadedly connected to the bolt rod 5. A sleeve 13 is fitted on the outer wall of the internally threaded cylinder 12. One end of the sleeve 13 slides on the internally threaded cylinder 12, and the other end of the sleeve 13 is fixedly connected to the left side plate 1. In this embodiment, by setting the internally threaded cylinder 12, the friction between the bolt rod 5 and the right side plate 4 can be increased during use, thereby further enhancing the safety of the locking device. By setting the sleeve 13, the bolt rod 5 can be protected during use, thereby increasing the service life of the locking device.

[0028] An anti-slip pad 14 is provided at the end of the left side plate 1 that engages with the handle groove 3, and an anti-slip pad 14 is provided at the end of the right side plate 4 that engages with the handle groove 3. In this embodiment, by providing the anti-slip pad 14, the friction between the handle groove 3 and the left side plate 1 and the right side plate 4 can be further increased, thereby increasing the safety of the locking device.

[0029] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. For the apparatus disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple; relevant parts can be referred to the method section.

[0030] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A locking device for a subway passenger compartment door in case of a door malfunction, characterized in that The utility model relates to a subway passenger compartment door handle fixing device which comprises a left side plate, a right side plate, a bolt rod and a spring. One end of the left side plate is connected with one handle slot of a subway passenger compartment door through clamping. The other end of the right side plate is connected with the other handle slot of the subway passenger compartment door through clamping. The bolt rod is threaded through the middle part of the left side plate and the right side plate in sequence from left to right.

2. A locking device for a subway passenger car door in case of failure according to claim 1, characterized in that, The end of the bolt rod extending out of the right side plate is provided with a rotating plate.

3. A locking device for a subway passenger car door in case of failure according to claim 2, characterized in that, The other end of the bolt rod is provided with a limiting plate.

4. The locking device for a subway passenger car door in case of failure according to claim 1, characterized in that, The end of the limiting plate away from the right side plate is abutted against the end of the left side plate.

5. A locking device for a subway passenger car door in case of failure according to claim 1, characterized in that, The end of the left side plate away from the subway passenger compartment door is provided with a left clamping groove.

6. A locking device for a subway passenger car door in case of failure according to claim 5, characterized in that, The end of the right side plate away from the subway passenger compartment door is provided with a right clamping groove.

7. A locking device for a subway passenger car door in case of failure according to claim 1, characterized in that, The left clamping groove and the right clamping groove are provided with an extension rod. One end of the extension rod is abutted against the left clamping groove. The other end of the extension rod is abutted against the right clamping groove. The extension rod comprises a reversible screw cylinder, a left-hand screw rod and a right-hand screw rod. One end of the left-hand screw rod is abutted against the left clamping groove. One end of the left-hand screw rod is threaded with the reversible screw cylinder. The other end of the reversible screw cylinder is threaded with one end of the right-hand screw rod. The end of the right-hand screw rod away from the reversible screw cylinder is abutted against the right clamping groove. The left side plate is provided with the spring. The other end of the spring is connected with the right side plate. The right side plate is fixedly connected with an internal thread cylinder. The internal thread cylinder is threaded with the bolt rod. The outer wall of the internal thread cylinder is sleeved with a sleeve. One end of the sleeve slides on the internal thread cylinder. The other end of the sleeve is fixedly connected with the left side plate. The end of the left side plate clamped with the handle slot is provided with an antiskid pad. The end of the right side plate clamped with the handle slot is provided with an antiskid pad.

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