JP4586771B2 - Emergency unlocking device - Google Patents

Description

  The present invention relates to a locking device that electrically unlocks a door in a normal state, and to an emergency unlocking device that mechanically unlocks the locking device.

  2. Description of the Related Art Conventionally, there is a door locking device that unlocks a door by energizing a solenoid in a normal state, and includes an emergency unlocking mechanism that mechanically unlocks in preparation for a power failure or an electric system failure. This conventional emergency unlocking mechanism performs unlocking by the operation of a cylinder lock attached to a door locking device (see, for example, Patent Document 1).

JP 09-151636 A

  However, when the above-described conventional emergency unlocking mechanism is employed in a rocker having a plurality of housing portions, for example, a cylinder lock is attached to each door locking device that locks each door that opens and closes each housing portion. It becomes the composition. For this reason, in an emergency, the manager of the rocker must operate the cylinder locks corresponding to the respective doors individually with the keys to unlock them. As a result, a lot of time is required for the unlocking operation.

  In view of the above circumstances, an object of the present invention is to provide an emergency unlocking device that can collectively unlock a plurality of locking devices when performing mechanical unlocking in an emergency.

In order to solve the above-described object, an emergency unlocking device according to claim 1 of the present invention can be engaged with and disengaged from an engaged portion provided on a door that opens and closes an opening of a housing, and the engaged portion. An engagement member provided on the housing in a manner to move to a position, a stopper for locking the engagement member at a position engaged with the engaged portion, and a solenoid for releasing the engagement member by the stopper. In the emergency unlocking device disposed in the locking device for locking and unlocking the door, it is provided in each locking device installed corresponding to the plurality of doors, and the engagement member is locked by the stopper of the locking device. Release levers, a series of link members that are linked to each release lever and movable in such a manner that the release levers are collectively released, and a keyhole is exposed outside the housing. And operating means for operating the movement of the link member with a single cylinder lock. The release lever is rotatably is supported with respect to the rotation axis, the engagement of the engaging member by the stopper by causing contact the acting portion on the plunger of the stopper or solenoid when rotating through the operation unit The position linked to the link member from the center of the rotating shaft is configured to be larger than the position contacting the stopper or the plunger .

  An emergency unlocking device according to a second aspect of the present invention is the emergency unlocking device according to the first aspect, wherein the link member is formed of a rigid body to which a biasing force is applied in a moving direction for releasing each release lever, and the operation means is While holding the movement of the link member against the urging force, the movement of the link member is operated by releasing the holding.

  According to the emergency unlocking device of the present invention, the locking device can be unlocked without driving the solenoid by operating the operating means by operating the key to the key hole of the cylinder lock. In particular, the link members that are operated to move by the operating means are formed in a series in such a manner that the release levers are collectively operated to release each of the release levers. It will be unlocked. As a result, the doors can be opened collectively, and the unlocking operation can be easily performed in a short time. Further, since the keyhole portion of the cylinder lock is exposed to the outside of the housing, the key operation of the cylinder lock can be easily performed.

  Hereinafter, preferred embodiments of an emergency unlocking device according to the present invention will be described in detail with reference to the accompanying drawings.

  FIG. 1 is a front view showing a configuration example of a rocker system having a locking device to which an emergency unlocking device according to the present invention is applied. The rocker system exemplified in the present embodiment is an electronically controlled multi-purpose rocker system that can be used for various rocker systems such as a delivery rocker system and a rental rocker system. In addition, this invention is not limited by this Embodiment.

  The rocker system includes a center device 10 and a plurality of rocker devices 20 arranged on both the left and right sides of the center device 10.

  The center device 10 is a centralized terminal device that collectively performs locking / unlocking control of the rocker devices 20. The center device 10 has a security camera 11 for security, a liquid crystal display 12 with a touch panel for performing operations such as setting of a baggage depositing / removing mode, selection of a rocker, and various displays, and a magnet for reading a credit card. A card reader 13, a coin insertion slot 14 for inserting coins such as 100 yen coins and 500 yen coins, a bar code reader 15 used at the time of package delivery, and a receipt issued from a built-in printer (not shown) are taken out. For example, a receipt outlet 16 is provided. The center device 10 includes a personal computer having a communication function therein, a control box for performing locking / unlocking control, a power source, an uninterruptible power supply, a printer, and the like. Communication between the two is also possible.

  Here, there are various electronic controls using the center device 10. For example, when depositing luggage, after selecting a desired rocker device 20 on the screen of the liquid crystal display 12 with a touch panel, By making a call to the telephone number designated by the center device 10 with a mobile phone, the telephone number of the mobile phone is registered as an unlocking authentication number (ID number). Then, by inserting a 100 yen coin from the coin insertion slot 14 and depositing the luggage in the selected rocker device 20, the electronic lock (locking device) is controlled to the locked state. On the other hand, when taking out the checked baggage, the phone number of the mobile phone is registered as an authentication number for unlocking by calling the phone number designated by the center device 10 at the time of depositing with the mobile phone. Whether the telephone number matches the telephone number is authenticated. If the telephone number matches, the electronic lock is controlled to be unlocked, and the package can be taken out from the rocker device 20. Thereby, locking / unlocking control of the electronic lock using the mobile phone as a key becomes possible. Note that the payment for billing is not limited to cash payment by inserting coins, but can also be made by credit card or IC card.

  In the example shown in FIG. 1, each rocker device 20 is configured in a plurality of types of sizes in order to deal with loads of various shapes and sizes. Moreover, each rocker apparatus 20 is comprised by the rocker unit which integrated the vertical line as shown in FIG. The rocker unit has a casing 21 whose front side is opened by a top plate 211, a bottom plate 212, a left and right side plate 213, and a back plate 214, and a plurality of rocker units are separated by dividing the inside of the casing 21 by a plurality of shelf plates 22 (in FIG. 2). Six) rocker devices 20 are formed. As described above, each rocker device 20 includes a combination of the casing 21 and the shelf plate 22, and has a baggage entrance / exit (opening) 23 on the front surface. A space 24 is provided. Furthermore, each rocker device 20 is provided with a door 25 that closes the baggage entrance 23 in an openable and closable manner.

  The door 25 is formed of a rectangular plate, and is provided so as to be rotatable by a hinge mechanism (not shown) provided between the left side of the door 25 and the left side plate 213 of the housing 21, for example. The inlet 23 can be freely opened and closed. A handle 251 for opening and closing the door 25 is provided on the outer wall surface of the door 25. Further, an engaged portion 252 that engages with a locking device 30 to be described later is provided on the inner wall surface on the right side of the door 25. Further, a locking device 30 as an electronic lock that locks the door 25 in a closed state is provided inside the accommodation space 24 and on the inner wall of the right side plate 213 of the housing 21.

  FIG. 3 is a schematic view showing the locked state of the locking device, and FIG. 4 is a schematic view showing the unlocked state of the locking device. The locking device 30 is configured by housing an engaging member 31, a stopper 32, and a solenoid 33 in a case 301. The case 301 is provided on the right side plate 213 side of the housing 21 in the present embodiment. The case 301 is provided with an engagement groove 3011 that opens toward the outside of the accommodation space 24 of the rocker device 20 at a position along the opening edge of the luggage loading / unloading port 23.

  The engaging member 31 is provided in relation to the engaging groove 3011 of the case 301 and is rotatably supported with respect to the first rotating shaft 311 attached to the case 301. The engaging member 31 is provided with a groove portion 312 that opens in a direction away from the first rotation shaft 311, and one edge side of the groove portion 312 is configured as a contact portion 313 and the other edge side is configured as a flange portion 314. It is. As shown in FIG. 3, in a state where the engagement member 31 rotates counterclockwise around the first rotation shaft 311, the contact portion 313 is located on the back side of the engagement groove 3011 of the case 301, and The portions 314 are positioned on the near side of the engagement groove 3011 and cross the engagement groove 3011 respectively. On the other hand, as shown in FIG. 4, when the engagement member 31 rotates clockwise around the first rotation shaft 311, the contact portion 313 crosses the engagement groove 3011 of the case 301 and the flange portion 314 is engaged. It is in a position deviated from the groove 3011. Further, the engaging member 31 is provided with a locking groove 315 at an outer peripheral position on the opposite side of the groove portion 312 with the first rotating shaft 311 interposed therebetween. Although not clearly shown in the drawing, the engaging member 31 is always urged so as to rotate clockwise around the first rotation shaft 311 by an urging member such as a torsion coil spring.

  The stopper 32 is rotatably supported with respect to the second rotating shaft 321 attached to the case 301 so as to be parallel to the first rotating shaft 311. The stopper 32 has a locking claw 322 extending toward one side away from the second rotation shaft 321 and an operation portion 323 extending toward the other side away from the second rotation shaft 321. Yes. As shown in FIG. 3, in a state where the stopper 32 rotates counterclockwise around the second rotation shaft 321, the locking claw 322 rotates counterclockwise around the first rotation shaft 311. The engaging member 31 is locked in the locking groove 315 of the engaging member 31, and the engaging member 31 that tries to rotate clockwise around the first rotation shaft 311 is locked by the biasing member. On the other hand, as shown in FIG. 4, when the stopper 32 rotates clockwise around the second rotation shaft 321, the locking claw 322 is released from the locking to the locking groove 315 of the engaging member 31 and urged. The movement of the engaging member 31 by the member is allowed. Although not clearly shown in the drawing, the stopper 32 is always biased so as to rotate counterclockwise around the second rotation shaft 321 by a biasing member such as a torsion coil spring.

  The solenoid 33 is fixed to the case 301 with the plunger 331 facing downward. The solenoid 33 attracts the plunger 331 upward by energization. The plunger 331 is connected to the operation part 323 of the stopper 32. For this reason, as described above, the plunger 331 is always urged so that the stopper 32 rotates counterclockwise around the second rotation shaft 321 by the urging member, so that the urging force of the urging member is increased. Thus, when not energized, it is pulled out downward.

  In such a locking device 30, when the solenoid 33 is energized, the stopper 32 rotates clockwise around the second rotating shaft 321 against the urging force of the urging member as shown in FIG. Then, the latching claw portion 322 of the stopper 32 is released from the latching of the latching groove 315, and the engagement member 31 rotates clockwise around the first rotation shaft 311 by the biasing force of the biasing member. For this reason, the collar part 314 of the engaging member 31 moves to a position disengaged from the engaging groove 3011 of the case 301. As a result, the engagement of the engaged portion 252 of the door 25 is released. In other words, the door 25 is in an unlocked state in which the baggage entrance 23 can be opened.

  On the other hand, when the door 25 is moved to the closed position from the release state shown in FIG. 4, the engaged portion 252 of the door 25 is inserted into the engagement groove 3011 and the contact portion 313 is pushed into the depth of the engagement groove 3011. . Then, the engaging member 31 rotates counterclockwise around the first rotation shaft 311 as shown in FIG. . Here, when the solenoid 33 is not energized, the stopper 32 rotates counterclockwise around the second rotation shaft 321 by the urging force of the urging member. For this reason, the locking claw 322 of the stopper 32 is locked in the locking groove 315 of the engaging member 31 rotated counterclockwise. As a result, the engaged portion 252 of the door 25 is locked. In other words, the door 25 that closes the baggage entrance 23 is locked.

  The locking device 30 is provided with an emergency unlocking device 40 according to the present invention. The emergency unlocking device 40 includes a release lever 41 and a link member 42 shown in FIG. 3, and an operation means 43 shown in FIGS.

  As shown in FIG. 3, the release lever 41 is provided in the case 301 of the locking device 30. The release lever 41 is rotatably supported with respect to the third rotation shaft 411 attached to the case 301 so as to be parallel to the first rotation shaft 311 and the second rotation shaft 321. The release lever 41 has an action portion 412 extending toward one side away from the third rotation shaft 411 and an operation portion 413 extending toward the other side away from the third rotation shaft 411. . The action portion 412 is disposed below the operation portion 323 of the stopper 32 connected to the plunger 331 of the solenoid 33, and when the release lever 41 rotates counterclockwise around the third rotation shaft 411, the action portion 412 is stopped. The operation portion 323 or the plunger 331 of the solenoid 33 is provided so as to be able to come into contact (see FIG. 8). The operation unit 413 is provided outside the case 301 of the locking device 30 and extending in a direction away from the load / unload port 23. The release lever 41 is always urged so as to rotate clockwise around the third rotation shaft 411 by an urging member 414 such as a torsion coil spring, and comes into contact with the wall portion 3012 of the case 301 to thereby act the action portion 412. Is configured to be at a position separated from the operation portion 323 of the stopper or the plunger 331 of the solenoid 33.

  As shown in FIG. 3, the link member 42 is provided behind the locking device 30 in the accommodation space 24 of the rocker device 20 and on the right side plate 213 side. The link member 42 is made of a rigid body such as a metal and has a long hole 421 formed in a vertical shape in the vertical direction. The long hole 421 is engaged with a fixing pin 422 provided in the housing 21 so as to move in the vertical direction. It is provided to be movable. In addition, the link member 42 has an insertion hole 423 in the wall portion facing the locking device 30, and the operation portion 413 of the release lever 41 is inserted into the insertion hole 423 so that the link member 42 is linked to the release lever 41. Yes. That is, the link member 42 rotates in the counterclockwise direction around the third rotation shaft 411 by moving in the vertical direction (downward here) (see FIG. 8). As shown in FIG. 2, the link member 42 is provided in a rocker unit in which a plurality of rocker devices 20 are integrated in a vertical row, extending in series along the vertical direction, and is disposed in each rocker device 20. The release lever 41 in the locking device 30 is connected to the lock lever 30. Further, the link member 42 is applied with an urging force by gravity, a spring, or the like, and is urged in the direction in which the release lever 41 is rotated (downward here) by the urging force.

  As shown in FIG. 5, the operating means 43 is on the lower end side of the link member 42 that extends in series, and is between the bottom plate 212 in the rocker unit and the lower shelf plate 22 of the rocker device 20 at the lowest position. It is arranged in the lower space 26 provided in the. The operation means 43 includes a movable lever 431, a first link lever 432, a second link lever 433, and a cylinder lock 434.

  The movable lever 431 is made of a plate-shaped sheet metal disposed horizontally, and is rotatably supported with respect to a rotating shaft 4311 attached perpendicularly to the horizontal surface of the fixed base 435. The movable lever 431 includes a holding portion 4312 that extends toward one side away from the rotation shaft 4311 and an operation portion 4313 that extends toward the other side away from the rotation shaft 4311. The holding portion 4312 extends toward the link member 42 so as to follow the rotation direction of the movable lever 431, thereby forming the entire movable lever 431 in a substantially L shape, and its tip is bent obliquely downward. It has a surface 4312a. The operation unit 4313 has a mounting piece 4313a bent at the tip thereof downward. Further, the movable lever 431 has a circular arc hole 4314 having a locus centering on the rotation shaft 4311 along the rotation direction, and is engaged with a support pin 4315 that fixes the circular arc hole 4314 to the fixed base 435.

  The first link lever 432 is formed in a long plate shape, and one end portion 4321 thereof is connected to the mounting piece 4313a of the operation portion 4313 in the movable lever 431, and the other end portion 4322 is connected to a second link lever 433 described later. It is connected. Note that, as described above, the operation unit 4313 of the movable lever 431 moves along an arcuate locus centering on the rotation shaft 4311. The first link lever 432 transmits a substantially linear movement to the operation unit 4313 of the movable lever 431. Therefore, a long hole 4323 that engages with the connection pin 4316 fixed to the operation unit 4313 of the movable lever 431 is provided at one end of the first link lever 432, and the connection pin 4316 is loosely inserted into the long hole 4323. This prevents a situation where both movements are hindered.

  The second link lever 433 is formed by bending a plate material into a substantially Z shape, and rotatably connects the other end portion 4322 of the first link lever 432 to one end portion 4331 via a connecting pin 4333. The other end portion 4332 is fixed to a cylinder lock 434 described later.

  As shown in FIGS. 1 and 2, the cylinder lock 434 has a key hole portion 4341 that is operated by a key at the lower part of the housing 21 of the rocker unit 20 forming the rocker device 20. It is provided. As shown in FIG. 5, the cylinder lock 434 is fixed to the housing 21 through a robust fixing metal fitting 436 formed by bending a sheet metal. The cylinder lock 434 has a cylinder 4342 that rotates by a key operation on the key hole portion 4341 extending inside the housing 21, and the other end portion 4332 of the second link lever 433 is fixed to the cylinder 4342. It is.

  The operation means 43 is configured such that the second link lever 433 and the cylinder 4342 are counterclockwise when the cylinder 4342 is rotated counterclockwise as shown in FIG. 6 by the key operation to the key hole portion 4341 of the cylinder lock 434. The first link lever 432 is rotated to the left, and the holding portion 4312 of the movable lever 431 is pushed out toward the link member 42. Here, the holding portion 4312 lowers the roller 424 provided at the lower end portion of the link member 42 against the urging force applied to the link member 42 while placing the roller 424 of the link member 42 on the inclined surface 4312a. The link member 42 is held at a position moved upward by being pushed up. That is, as shown in FIG. 3, when the link member 42 is moved upward, the release lever 41 is rotated clockwise around the third rotation shaft 411 by the urging force of the urging member 414, and its action portion. Reference numeral 412 denotes a position (locking position) separated from the operation portion 323 of the stopper or the plunger 331 of the solenoid 33 in the locking device 30. When the release lever 41 is in the locked position, the locking device 30 can be brought into the normal locked state (see FIG. 3) and unlocked state (see FIG. 4) by driving the solenoid 33. .

  On the other hand, in the state where the cylinder 4342 is rotated clockwise as shown in FIG. 7 by the key operation to the key hole portion 4341 of the cylinder lock 434, the operation means 43 rotates the second link lever 433 together with the cylinder 4342 clockwise. , The first link lever 432 moves rightward, and the holding portion 4312 of the movable lever 431 is separated from the link member 42. Here, when the holding portion 4312 is separated from the link member 42, the link member 42 is moved downward by the biasing force. That is, as shown in FIG. 8, when the link member 42 moves downward, the release lever 41 rotates counterclockwise around the third rotation shaft 411 against the biasing force of the biasing member 414. Then, the operating portion 412 is in a position (unlocked position) where it comes into contact with and presses the operation portion 323 of the stopper in the locking device 30 or the plunger 331 of the solenoid 33. When the release lever 41 is in the unlocked position, the stopper 32 rotates clockwise around the second rotation shaft 321 against the urging force of the urging member as shown in FIG. Then, the latching claw portion 322 of the stopper 32 is released from the latching of the latching groove 315, and the engagement member 31 rotates clockwise around the first rotation shaft 311 by the biasing force of the biasing member. For this reason, the collar part 314 of the engaging member 31 moves to a position disengaged from the engaging groove 3011 of the case 301. As a result, the engagement of the engaged portion 252 of the door 25 is released. In other words, the door 25 is in an unlocked state in which the baggage entrance 23 can be opened.

  In addition, as described above, the link member 42 is provided in a rocker unit in which a plurality of rocker devices 20 are integrated in a vertical row, extending in series along the vertical direction, and is disposed in each rocker device 20. It is configured to be linked to a release lever 41 in the locking device 30. For this reason, when the operation means 43 is operated so that the cylinder 4342 by the key operation to the key hole portion 4341 of the cylinder lock 434 is rotated clockwise as shown in FIG. The device 20 is unlocked.

  In this way, in the emergency unlocking device 40 described above, the locking device 30 can be unlocked and unlocked without driving the solenoid 33 by operating the operating means 43 by operating the key hole 4341 of the cylinder lock 434. . As a result, the locker device 20 can be unlocked and the door 25 can be opened in the event of a power failure, a malfunction of the solenoid 33, or maintenance. In particular, the emergency unlocking device 40 according to the present embodiment is configured so that the link members 42 are linked to the locking devices 30 arranged in the plurality of locker devices 20 in a vertical row, so that the rockers arranged in a vertical row. Since the device 20 can be emergency unlocked and the doors 25 can be opened at once, the unlocking operation can be easily performed in a short time. Furthermore, since the key hole portion 4341 of the cylinder lock 434 is exposed to the outside of the housing 21, the key operation of the cylinder lock 434 can be easily performed.

  Moreover, in the emergency unlocking apparatus 40 mentioned above, it consists of a rigid body to which the urging | biasing force was provided by the link member 42 in the moving direction which cancels | releases each cancellation | release lever 41 with self-weight or an urging member (not shown). Then, while the operation means 43 holds the movement of the link member 42 against the urging force, the operation means 43 releases the holding and operates the movement of the link member 42. For this reason, even if there is an illegal act of moving the link member 42 regardless of the operation means 43, the operation means 43 regulates the movement of the link member 42 that releases each release lever 41. It is possible to prevent the act.

It is a front view which shows the structural example of the rocker system which has the locking device with which the emergency unlocking apparatus which concerns on this invention is applied. It is a perspective view which shows the rocker apparatus of the rocker system shown in FIG. It is the schematic which shows the locking state of the locking device shown in FIG. It is the schematic which shows the unlocking state of the locking device shown in FIG. It is a perspective view which shows the operation means of the emergency unlocking apparatus which concerns on this invention. It is a perspective view which shows the operation means of the emergency unlocking apparatus which concerns on this invention. It is a perspective view which shows the operation means of the emergency unlocking apparatus which concerns on this invention. It is the schematic which shows the effect | action of the emergency unlocking apparatus which concerns on this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 20 Locker apparatus 21 Case 22 Shelf board 23 Cargo carrying in / out opening 24 Storage space 25 Door 252 Engagement part 2521 Engagement hole 26 Lower space 30 Locking apparatus 301 Case 3011 Engagement groove 31 Engagement member 32 Stopper 33 Solenoid 331 Plunger 40 Emergency unlocking device 41 Release lever 411 Third rotating shaft 412 Action portion 413 Operation portion 414 Energizing member 42 Link member 421 Long hole 422 Fixed pin 423 Insertion hole 424 Roller 43 Operation means 431 Movable lever 4311 Rotating shaft 4312 Holding portion 4312a Inclination Surface 4313 Operation part 4313a Mounting piece 4314 Arc hole 4315 Support pin 4316 Connection pin 432 First link lever 4321 One end part 4322 Other end part 4323 Long hole 433 Second link lever 4331 One end part 4332 Other end part 433 3 Connecting Pin 434 Cylinder Lock 4341 Keyhole 4342 Cylinder

Claims (2)

An engaged portion provided on a door that opens and closes an opening of the housing, an engaging member provided in the housing in a manner that the housing is detachably movable with respect to the engaged portion, and an engaged portion In the emergency unlocking device disposed in the locking device for locking and unlocking the door having a stopper for locking the engaging member at the combined position and a solenoid for releasing the locking of the engaging member by the stopper,
A release lever which is provided in each locking device installed corresponding to a plurality of doors and releases the locking of the engaging member by the stopper of the locking device;
A series of link members provided so as to be movable in a manner of collectively releasing the release levers linked to the release levers.
Operating means for operating the movement of the link member by a single cylinder lock that exposes the keyhole portion outside the housing, and the release lever is rotatably supported with respect to the rotating shaft, When the rotating member is rotated through the stopper, the engaging portion is brought into contact with the stopper or the plunger of the solenoid so that the engaging member is unlocked by the stopper, and the position linked to the link member from the center of the rotating shaft. Is configured to be larger than a position where it comes into contact with the stopper or the plunger . The link member is composed of a rigid body to which a biasing force is applied in a moving direction for releasing each release lever,
The emergency unlocking device according to claim 1, wherein the operating means holds the movement of the link member against an urging force, while operating the movement of the link member by releasing the holding.

Images