JP2001283266A - Door lock device for automatic ticket examination machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely lock and unlock with a small force an opening/closing door of an automatic ticket examination machine to/from a closed state at the last and first trains. SOLUTION: The door lock device (30) is provided with a rotor (40) to be rotated with a motor shaft (34) of a motor (M). The rotor (40) is provided with a lock arm (44) having a notched part (46) serving as an engaging part at its tip part. A locker (60) is arranged on the upper part of the rotor (40). The locker (60) is provided with a lock piece (62) the tip part of which is engaged and disengaged with the notched part (46). An electromagnetic solenoid (70) is connected with the lock piece (62). The door is locked to the closed state by forcedly rotating the door in the closing direction and engaging the notched part (46) with the lock piece (62) at the time of the last train. The electromagnetic solenoid (70) is activated and a locked state is released by supplying power to the automatic ticket examination machine (10) at the time of the first train.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lock device for an open / close door in an automatic ticket gate, and more particularly to a door lock device for surely unlocking a closed door when a power supply of the automatic ticket gate is turned on. About.

[0002]

2. Description of the Related Art Generally, an opening / closing door of an automatic ticket gate is fixed to a closed state by hand so that the automatic ticket gate cannot pass through after the departure of the last train. Then, the power of the automatic ticket gate was turned on before the first power generation car in the morning, the closed door was unlocked, and the automatic ticket gate was enabled.

FIG. 1 shows an example of the above door lock device. According to FIG. 9A, the lock mechanism includes a rotor 100 connected to a motor shaft 102,
The lock plate 104 includes a lock plate 104 provided with a concave portion 106 indicated by a dotted line and a lock pin 108 that can protrude and retract from the concave portion 106. Although not shown, the rotor 100 is connected to a door shaft via a connecting rod (hereinafter simply referred to as a connecting rod). The driving of the motor rotates the rotor 100 to open and close the door. The lock pin 108 is connected to a solenoid, and is adapted to be disengaged from the recess 106 by driving the solenoid.

In such a door lock mechanism, at the time of the last train, as described above, the power of the automatic ticket gate is turned off so that the automatic ticket gate is not allowed to pass, and then the station staff manually forcibly closes the door. That is, when the rotor 100 is rotated in the door closing direction, the recess 10
When the lock pin 6 comes to the position of the lock pin 108, the lock pin 10
8 engages with the recess 106. And rotor 1
00 is locked so that it cannot rotate.

However, when a station employee manually closes the door manually, the rotor 100 is over-rotated and overruns by closing the door with excessive force, as shown in FIG. 9B. The lock plate 104 is a lock pin 108
May get over. Thus, the lock plate 1
When the lock pin 108 does not fit into the concave portion 106 of the lock plate 104 and does not fit, the lock plate 100 is constantly urged by a spring in the door opening direction, that is, in the direction indicated by the arrow A. And lock pin 1
08 comes into contact, and a large external force in the thrust direction is applied to the lock pin 108. Therefore, when power is applied to the solenoid at the time of power-on of the automatic ticket gate, there are cases where the suction force of the solenoid is insufficient, the lock pin 108 does not retract, and the locked state cannot be released. Therefore, there is a problem that the opening and closing operation of the door of the automatic ticket gate is not performed. This unlocking cannot easily overcome the external thrust force even by using a manual lever manually.

[0006]

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and it has been made possible to securely lock the door of an automatic ticket gate at the time of the last train and to surely unlock the door. It is an object to provide a door lock device for an automatic ticket gate.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention relates to a door lock device for locking an open / close door (16) of an automatic ticket gate (10) so as to maintain the door in a closed state. A connecting means (24) having a spherical bearing (26) connected to a door shaft (22) to which the 16) is attached; a connecting rod (28) having one end connected to the spherical bearing (26); (2
The other end of 8) is rotatably connected, rotated by the drive of the motor (M), a rotor (40) having a lock arm (44) formed with a notch (46) at the tip, The tip (6) is disposed above the rotor (40) and engages with and disengages from the notch (46).
Locking means including at least a lock piece (62) having (7)
(60) and an electromagnetic solenoid connected to the lock piece (62)
(70) is provided as a door lock device for an automatic ticket gate.

Specifically, the lock means (70) includes a bearing (61), the lock piece (62) extending in one direction from a lower portion of the bearing (61), and the lock piece (62). And an operation piece (63) extending perpendicularly from the upper part of the bearing part (61), and rotatable about a shaft (65) inserted into a shaft hole (64) of the bearing part (61). It is configured.

An unlocking projection on the tip of the operation piece (63), on which the locking means (70) rotates when pressed.
(68). Therefore, the locked state can be manually released by pressing the unlocking convex portion (68).

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on a preferred embodiment shown in the drawings, but the technical scope of the present invention is limited to the embodiments shown in the accompanying drawings. Not something.

FIG. 1 shows an entire automatic ticket gate having an opening / closing door, and FIG. 2 shows a state where the opening / closing door is enlarged and partly cut away. In FIG. 1, the automatic ticket gate 10 is
It has a ticket gate main body 12 and an adult detection bar 14.
The ticket gate body 12 has a ticket,
A pair of openable and closable doors 1 for preventing passengers from passing when a commuter pass is improperly read or used improperly.
6,16.

As shown in FIG. 2, the door 16 is fixed to a door shaft 22 of a door drive unit 20 by a bottle. The door 16 opens and closes by the rotation of the door shaft 22. A connection fitting 24 is fixed to the door shaft 22 with a bolt. The connection fitting 24 has a spherical bearing 26. One end of a connecting rod 28 is engaged with the spherical bearing 26.

FIG. 3 shows a door lock device 30 according to the present invention. This figure is a view in which the door is in an open state. The door lock device 30 is unitized. The door lock device 30 is provided with the other end 28 a of the connecting rod 28.
Is rotatably connected to the rotor through a shaft pin 32.
And a rocker 60 that engages with the rotor 40 to lock the rotation of the rotor 40 when the door is closed at the time of the last train. The rotor 40 has a motor shaft 34 connected to the output shaft of the motor M indicated by a two-dot chain line. This motor M is a reversible motor. By the rotation of the motor M, the motor shaft 34 is rotated via a speed reduction mechanism (not shown), and the rotor 40 is rotated in the opposite direction. Then, the door shaft 22 shown in FIG. 2 is rotated via the connecting rod 28, the spherical bearing 26, and the connection fitting 24, and the door 16 is opened and closed.

The rotor 40 is shown as a perspective view in FIG. 4 to show its shape and structure. According to FIG. 4, the rotor 40 has a bearing portion 41 and lever portions 42 and 43 extending bifurcated upward from both ends thereof. One lever 43 extends in the direction of the spherical bearing 26 in FIG. 3, and integrally has a lock arm 44 having an engaging portion 45 at the tip end that engages with and disengages from the rocker 60. The engaging portion 45 includes a cutout portion 46 for engaging with a tip end of a lock piece 62 of the locker 60 described later. A guide notch 47 that is notched diagonally is formed in front of the notch 46 to guide the lock piece 62. The bearing 41 has a shaft hole 48 through which the motor shaft 34 shown in FIG. 3 is inserted. The shaft hole 48 has a key groove 49 so that the rotor 40 is simultaneously rotated by the rotation of the motor shaft 34.

The other end 28 of the connecting rod 28 shown in FIG. 3 is interposed between the levers 42 and 43 of the rotor 40, and the connecting rod 28 is rotatably attached by the shaft pin 32. One end of a tension coil spring 35 is attached to the other end 28 of the connecting rod 28, and the other end is attached to a pin 37 provided on a frame 36. Accordingly, the connecting rod 28 is constantly urged to rotate clockwise around the shaft pin 32 by the tension coil spring 35, and urges the door 16 to open.

A lock detecting plate 50 protruding outward to detect that the door is locked when the door is locked at the time of the last train, a lock detecting plate 50,
A closing detection plate 51 for detecting the closed state of the door 16, and an opening detecting plate provided at a predetermined distance from the closing detection plate 51 for detecting the open state of the door 16. 52. Sensors 53 and 54 for detecting these detection plates 50, 51 and 52 are arranged at predetermined positions as shown in FIG.

As shown in FIG. 3, the locker 60
The frame 36 is rotatably supported. The detailed shape and structure of the locker 60 are shown in FIG.

In FIG. 5, the locker 60 includes a bearing 61, a lock piece 62 extending in one direction below the bearing 61, and a lock piece 6 extending from the upper part of the bearing 61.
2 and an operation piece 63 extending in a direction perpendicular to the direction of the operation piece 2. The locker 60 is rotatably supported by the shaft 65 provided in the frame 36 through a shaft hole 64 formed in the bearing portion 61.

The lock piece 62 has an attachment hole 66 for attachment to the tip of the plunger 71 of the electromagnetic solenoid 70 shown in FIG. Therefore, the lock piece 62 rotates about the shaft 65 by the plunger 71 protruding and retracting. This lock piece 62
Is formed so that one side is inclined so as to be tapered toward the front end, and has an engagement projection 67 that engages with the notch 46 shown in FIG.

The operation piece 63 extends so that the tip thereof bends backward by 90 °, and releases the engagement between the notch 46 of the rotor 40 and the engagement projection 67 of the lock piece 62 as described above. The lock release convex portion 68 is provided.

Next, the operation of forcibly locking the door from the open state shown in FIG. 3 to the closed state by hand at the time of the last train will be described with reference to FIGS. 2, 3, 6, 7, and 8. 8 will be described.

First, in FIG. 2, when the door 16 is turned from the open state to the closed state, the door shaft 22 rotates. Due to the rotation of the door shaft 22, the connection fitting 24 attached to the door shaft 22 also rotates. The rotation of the door 16 is performed against the tensile force of the tension coil spring 35 as shown in FIG. When the door 16 is rotated,
The connecting rod 28 shown in FIG. 3 is moved to the left in FIG. 3 via the spherical bearing 26, and the rotor 40 is moved counterclockwise with the motor shaft 34 around the motor shaft 34 as shown in FIG. It rotates against the tensile force of the tension coil spring 35. At the same time, the lock arm 44 of the rotor 40 also rotates.

The rotation of the lock arm 44 causes the lock arm 44 to move to the locker 60 as shown in FIG.
Collides with the bottom surface of the lock piece 62, but the lock arm 44
Guide cutout part 4 formed diagonally notch
While being guided along 7, the lock arm 44 further rotates.

As shown in FIG. 8B, when the engaging projection 67, which is the tip of the lock piece 62, comes to the position of the notch 46, which is the engaging portion 45 of the lock arm 44, the cutting is performed. The engaging projection 67 fits into the notch 46, and both engage. In this state, the door 16 is locked in the closed state. This state is performed after the last train leaves.

Next, the operation of turning on the power to the automatic ticket gate 10 and releasing the locked state of the door 16 before the departure of the starting generator car will be described.

When the automatic ticket gate 10 is turned on, drive power is input to the electromagnetic solenoid 70. FIG. 8B
When the power is supplied to the electromagnetic solenoid 70 from the state where the lock arm 44 of the rotor 40 and the rocker 60 are engaged and the rotor 40 is locked as shown in FIG. 71 retracts. Since the lock piece 62 of the locker 60 is connected to the tip of the plunger 71, the locker 60 rotates clockwise about the shaft 65, that is, clockwise.
Then, the engagement between the engagement protrusion 67, which is the tip of the lock piece 62, and the notch 46, which is the engagement part of the lock arm 44, is released, and the locked state of the rotor 40 is released.

If the locked state is not released even when the automatic ticket gate 10 is powered on, the locker 60
By pushing the unlocking projection 68 formed at the tip of the operation piece 63 in the direction of arrow A, the rocker 60 rotates clockwise about the shaft 65. At this time, since the lock release convex portion 68 and the shaft 65 of the rocker 60 are separated from each other, the rocker 60 can be reliably rotated with a light force by the leverage principle. Then, the engagement between the engaging projection 67, which is the tip of the lock piece 62, and the notch 46, which is the engaging part of the lock arm 44, is disengaged, and the rotor 4
The lock state of 0 is released.

Since the unlocking projection 68 is located inside the unlocking button 18 shown in FIG. 1, when the unlocking button 18 is pressed, the unlocking projection 68 is pressed. I have.

[0029]

As described above, according to the door lock device of the automatic ticket gate of the present invention, the notch formed as the engaging portion formed at the tip of the lock arm of the rotor, and the L-shaped locker Since the rotor is in the locked state by engaging the tip of the lock piece, the door can be securely locked in the closed state, and the locked state can be released with a light force. In particular, by connecting a plunger of an electromagnetic solenoid to the lock piece and turning on the power to the electromagnetic solenoid, the locker can be easily rotated via the lock piece and the locked state can be easily released.

Further, an unlocking convex portion is formed at the tip of the operating piece of the locker, and by pressing the unlocking convex portion, the locker is rotated with a small force to release the locked state manually. can do.

[Brief description of the drawings]

FIG. 1 is a front view of an automatic ticket gate incorporating a door lock device according to the present invention.

FIG. 2 is an enlarged, partially cutaway front view of the door shown in FIG.

FIG. 3 is an enlarged schematic view of the door lock device according to the present invention when the door is open.

FIG. 4 is a perspective view of the rotor shown in FIG. 3;

FIG. 5 is a perspective view of the locker shown in FIG. 3;

FIG. 6 is an operation view corresponding to FIG. 3 when the door is forcibly closed and its state is locked.

FIG. 7 is a view as seen from above in FIG. 6;

FIG. 8 is a diagram showing an operational relationship between a lock arm and a rocker.

FIG. 9 is a schematic operation view showing a locked state of a conventional rotor.

[Explanation of symbols]

10: automatic ticket gate, 16: door, 22: door shaft, 24:
Connection metal fittings, 26: spherical bearing, 28: connecting rod, 3
0: door lock device, 32: shaft pin, 40: rotor, 4
1: bearing portion, 42, 43 lever portion, 44: lock arm, 46: notch portion, 60: rocker, 61: bearing portion, 62: lock piece, 63: operation piece, 65: shaft, 67:
Engagement projection, 68: lock release projection, 70: electromagnetic solenoid, 71: plunger.

 ──────────────────────────────────────────────────の Continued on the front page (72) Inventor Yoshinori Higashi 11-2 Hirade Industrial Park, Utsunomiya City, Tochigi Prefecture Nippon Signal Co., Ltd.Utsunomiya Office (72) Inventor Miki Komori 11 Hirade Industrial Park, Utsunomiya City, Tochigi Prefecture 2 Nippon Signal Co., Ltd. Utsunomiya Office F-term (reference) 3E027 CA04 CA07

Claims (3)

[Claims] 1. A door lock device for locking an open / close door (16) of an automatic ticket gate (10) so as to maintain the door in a closed state, wherein the door lock device is connected to a door shaft (22) to which the door (16) is attached. Connecting means (24) having a spherical bearing (26), and a connecting rod (28) having one end connected to the spherical bearing (26).
The other end of the connecting rod (28) is rotatably connected, rotated by the drive of the motor (M), the notch (46) at the tip
A rotor (40) having a lock arm (44) formed with a lock piece (62) disposed above the rotor (40) and having a tip (67) engaged with and disengaged from the notch (46). Lock means (60) comprising at least :), an electromagnetic solenoid (70) connected to the lock piece (62),
A door lock device for an automatic ticket gate, comprising: The locking means (70) includes a bearing (61).
The lock piece (62) extending in one direction from a lower portion of the bearing part (61); and the bearing part (6) perpendicular to the lock piece (62).
1) and an operation piece (63) extending from the upper part, and is configured to be rotatable around a shaft (65) inserted into a shaft hole (64) of the bearing portion (61). The door lock device for an automatic ticket gate according to claim 1. 3. An unlocking projection on which the locking means (70) is rotated by pressing the tip of the operation piece (63).
The door lock device for an automatic ticket gate according to claim 2, characterized by having (68).