JP2015031139A - Lock device with master lock - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simply perform a replacement work of a cylinder lock of a locker lock, etc. in short time.SOLUTION: In this lock device 1, a cylinder lock 13 on a lock side is attachably/detachably attached at an attachment position of the lock device by a cylinder lock attachment base 11, a cylinder lock 17 on a master lock side is attached and fixed as a master lock, the cylinder lock 13 on the lock side is engageably/disengageably fixed by a stopper member 14 which operates by a stopper operation member 18 to be driven by a key operation of the cylinder lock 17 on the master lock side, and the cylinder lock 13 on the lock side is fixed by a lock operation of the cylinder lock 17 on the master lock side, and made detachable by an unlock operation.

Description

  The present invention relates to a lock device with a master lock used for locking lockers installed in various facilities such as various welfare facilities for the elderly including nursing homes and various sports facilities, lockers installed in offices, cabinets, and the like.

For example, in nursing homes and various welfare facilities for the elderly, lockers are installed as one of the facilities in the facility, and are used to store clothes, baggage, etc. of facility users (hereinafter referred to as users). Many of these lockers are provided with a key (lock device). When locked, the locker cannot be opened except for a predetermined key, and the stored items can be protected from theft.
Conventionally, dial locks and cylinder locks are often used for lockers of this type. The dial lock is a lock that locks and unlocks with a password, and has the advantage of not requiring a key, but it is difficult for the user to remember the password or it is easy to forget the password because of the age. If you want to use it, it is not easy to use. Further, the dial lock may be unlocked while the dial is turned, which is not preferable from the viewpoint of crime prevention. From this point of view, it can be said that a cylinder lock that locks and unlocks a locker lock device with a key is suitable in a welfare facility for the elderly. Generally, as disclosed in, for example, Patent Document 1, a cylinder lock is a rotor case (outer cylinder) and a rotor (inner cylinder) that is rotatably fitted in the rotor case and in which a large number of tumblers are arranged. The rotor can be turned by inserting the key into the rotor, and the rotor can be turned by turning the key, and the hook (locking member) interlocking with the rotor is received and engaged with the fitting. ing.

JP 2004-316140 A

As described above, a cylinder lock is more suitable than a dial lock as a lock device used for lockers installed in nursing homes and various welfare facilities for the elderly. There is a problem in such a point.
(1) When the user manages the key independently, the user may lose the key due to his / her old age, or the key may be lost or stolen. If the key is lost, the key is locked. Unable to open the locker. In this case, if a malicious third party picks up a lost key, the key may be misused.
(2) A master key is required in preparation for the loss of the user's key, and the facility side is required to manage the master key. If the master key is lost, the locker cannot be opened, and the lock device cannot be replaced.
(3) When a user leaves the facility due to death or other reasons, the user's family may take back the locker key that the user has used. In this case, the next user uses the vacant locker. Can not do it. In addition, when this user or family has a key, or when the key is copied and this key remains in the user's or family's hand, it is not preferable in terms of crime prevention.
(4) Since the key must not have been used or duplicated in the past, a new user or family member often requests replacement of the entire lock device.
(5) If it is necessary to replace the lock device due to the reasons described in (1) to (4) above, a new lock device will be purchased and replaced. However, replacing the lock device requires a certain level of skill. Therefore, in the case of a so-called amateur, the replacement work becomes complicated, requires a lot of work time, and if the lock device can be replaced, there is no other way than to ask a specialist to replace the lock device. The cost required will increase.

  The present invention solves such a conventional problem, and when it is necessary to replace the lock device, even a person who does not have any skill in replacing the lock device can perform the replacement operation easily and in a short time. In addition, there is provided a lock device with a master lock that may or may not have a master key, can replace the lock device even when the lock device is in a locked state, and can keep the cost required for replacement low. The purpose is to do.

In order to achieve the above object, the lock device with a master lock of the present invention comprises:
A cylinder lock mounting base fixed in the mounting position and having a cylinder lock mounting hole on the locking side and a cylinder lock mounting hole on the master lock side;
A substantially cylindrical power transmission shaft holding portion arranged in parallel with the mounting base and opposed to the cylinder lock mounting hole on the locking side, and formed corresponding to various locking members adjacent to the power transmission shaft holding portion. A locking member mounting base having a locking member mounting portion,
A cylinder lock on the locking side removably attached to the cylinder lock mounting hole on the locking side of the cylinder lock mounting base; and
The cylinder lock mounting base or the locking member mounting base is detachably arranged around the cylinder lock on the locking side, and a retaining member for restricting movement in the insertion / removal direction of the cylinder lock on the locking side;
A power transmission shaft that is rotatably arranged on the power transmission shaft holding portion of the locking member mounting base, is operatively connected to a locking shaft of a cylinder lock on the locking side, and protrudes to the locking member mounting portion;
A locking member disposed on the locking member mounting portion of the locking member mounting base, operatively connected to the power transmission shaft, and operated by a key operation of the locking cylinder lock;
A cylinder lock on the master lock side that is mounted and fixed as a master lock of the cylinder lock on the locking side in the cylinder lock mounting hole on the master lock side of the cylinder lock mounting base;
The cylinder lock on the master lock side is rotatably attached integrally with the lock shaft and is operatively connected to the retaining member to lock or unlock the master lock side cylinder lock by key operation. A retaining member that engages and disengages the retaining member around the locking cylinder lock;
With
The cylinder lock on the locking side attached to the mounting position is fixed by the locking operation of the cylinder lock on the master locking side, and can be removed by the unlocking operation.
This is the gist.
In addition, each part of the lock device is embodied as follows.
(1) having a locking groove in the circumferential direction on the outer peripheral surface of the cylinder lock on the locking side;
The retaining member is pivotally supported by a shaft at a predetermined position on one side of the cylinder lock mounting base around the lock side cylinder lock mounting hole and opposite to the master lock side cylinder lock mounting hole. The drive-side presser plate that extends toward the cylinder lock on the master lock side and can be locked from one half surface side of the outer peripheral surface to the locking groove on the outer peripheral surface of the cylinder lock on the locking side, Near the one end of the holding plate on the drive side, it is pivotally supported by a shaft at a predetermined position on the opposite side of the cylinder lock mounting hole on the master lock side around the cylinder lock mounting hole on the locking side of the cylinder lock mounting base. The driven side press play that extends toward the cylinder lock on the master lock side and can be locked from the other half surface side of the outer peripheral surface into the locking groove on the outer peripheral surface of the cylinder lock on the locking side. Are formed between one end of each of the drive side and driven side presser plates, and the drive side presser plate is separated from the locked state of the locking groove of the locking side cylinder lock, and the locked state is released. Engage with the rotation of the presser plate on the drive side in the direction of rotation, the driven plate on the driven side is separated from the locked state on the locking groove of the cylinder lock on the locking side, and the locked state is released And a cam mechanism that is rotatable in the direction in which it is rotated, and the cylinder-lock mounting base or the locking-member mounting base is disposed on the locking-side cylinder plate on the locking side. A spring member that presses and urges each of the drive side and driven side presser plates toward the locking groove so as to be locked in the locking groove;
The retaining member is attached to a lock shaft of a cylinder lock on the master lock side, extends in a substantially L shape around the lock shaft, and is driven at one end with respect to the other end of the press plate on the drive side. A locking portion that can be pressed by engaging in the direction in which the holding plate on the side is locked in the locking groove on the outer peripheral surface of the cylinder lock on the locking side, with respect to the other end of the pressing plate on the driving side And a pressing part that engages and presses the drive-side presser plate in a direction to be released from a state in which the presser-side presser plate is locked in the locking groove on the outer peripheral surface of the locking-side cylinder lock. A lock position in which the lock portion is engaged with the other end of the drive-side presser plate by the key operation of the lock, and the drive-side presser plate is locked in the lock groove on the outer peripheral surface of the lock-side cylinder lock. And the pressing portion on the driving side The plate is engaged with the other end, and is configured to be rotatable between an unlocking position for releasing the engagement between the driving side pressing plate and the locking groove on the outer peripheral surface of the locking side cylinder lock. .
(2) having a locking groove in the circumferential direction on the outer peripheral surface of the cylinder lock on the locking side;
The retaining member is pivotally supported by a shaft at a predetermined position on the opposite side of the cylinder lock mounting hole on the master lock side around the cylinder lock mounting hole on the locking side of the cylinder lock mounting base, A pressing plate on the driving side that extends toward the cylinder lock on the master lock side and can be locked from one half surface side of the outer peripheral surface to the locking groove on the outer peripheral surface of the locking cylinder lock. Near the one end of the holding plate on the drive side, it is pivotally supported by a shaft at a predetermined position on the opposite side of the cylinder lock mounting hole on the master lock side around the cylinder lock mounting hole on the locking side of the cylinder lock mounting base. A driven-side presser plate that extends toward the cylinder lock on the master lock side and can be locked from the other half surface side of the outer peripheral surface into a locking groove on the outer peripheral surface of the cylinder lock on the locking side; Rotation of the drive side presser plate formed between one end of each of the drive side and driven side presser plates in a direction in which the drive side presser plate is locked in the locking groove of the locking side cylinder lock. The driven-side presser plate is rotated in a direction to be locked in the locking groove of the locking-side cylinder lock, and the driving-side presser plate is locked to the locking-side cylinder lock. The driven presser plate engages with the rotation of the drive-side presser plate in the direction in which the locked state is released, and the driven-side presser plate engages with the locking-side cylinder lock. A gear mechanism that turns away from the state locked in the groove and rotates in the direction in which the locked state is released,
The retaining member is attached to a lock shaft of a cylinder lock on the master lock side, extends in a substantially L shape around the lock shaft, and is driven at one end with respect to the other end of the press plate on the drive side. A locking portion that can be pressed by engaging in the direction in which the holding plate on the side is locked in the locking groove on the outer peripheral surface of the cylinder lock on the locking side, with respect to the other end of the pressing plate on the driving side And a pressing part that engages and presses the drive-side presser plate in a direction to be released from a state in which the presser-side presser plate is locked in the locking groove on the outer peripheral surface of the locking-side cylinder lock. A lock position in which the lock portion is engaged with the other end of the drive-side presser plate by the key operation of the lock, and the drive-side presser plate is locked in the lock groove on the outer peripheral surface of the lock-side cylinder lock. And the pressing portion on the driving side Engaged with the other end of the plate, and is configured to be able to rotate between an unlocking position for releasing a locking state of the locking plate on the locking side of the locking side cylinder lock on the driving side. The
In this case, the retaining member is disposed on the cylinder lock mounting base or the locking member mounting base, and the pressing plates on the driving side and the driven side are provided in the locking grooves on the outer peripheral surface of the cylinder lock on the locking side. It is desirable to additionally provide a spring member that presses and urges toward it.
(3) having a locking groove in the circumferential direction on the outer peripheral surface of the cylinder lock on the locking side;
The retaining member is pivotally supported by a shaft at a predetermined position on one side of the cylinder lock mounting base around the lock side cylinder lock mounting hole and opposite to the master lock side cylinder lock mounting hole. A presser plate that extends toward the cylinder lock on the master lock side and that can be locked in a lock groove on the outer peripheral surface of the cylinder lock on the lock side,
The retaining member is attached to a lock shaft of a cylinder lock on the master lock side, extends in a substantially L shape around the lock shaft, and is driven at one end with respect to the other end of the press plate on the drive side. A locking portion that can be pressed by engaging in the direction in which the holding plate on the side is locked in the locking groove on the outer peripheral surface of the cylinder lock on the locking side, with respect to the other end of the pressing plate on the driving side And a pressing part that engages and presses the drive-side presser plate in a direction to be released from a state in which the presser-side presser plate is locked in the locking groove on the outer peripheral surface of the locking-side cylinder lock. A lock position in which the lock portion is engaged with the other end of the drive-side presser plate by the key operation of the lock, and the drive-side presser plate is locked in the lock groove on the outer peripheral surface of the lock-side cylinder lock. And the pressing portion on the driving side Engaged with the other end of the plate, and is configured to be able to rotate between an unlocking position for releasing a locking state of the locking plate on the locking side of the locking side cylinder lock on the driving side. The
(4) having a locking groove in the circumferential direction on the outer peripheral surface of the cylinder lock on the locking side;
The retaining member is pivotally supported by a shaft at a predetermined position on one side of the cylinder lock mounting base around the lock side cylinder lock mounting hole and opposite to the master lock side cylinder lock mounting hole. A presser plate that extends toward the cylinder lock on the master lock side and can be locked in a locking groove on the outer peripheral surface of the cylinder lock on the lock side, and is disposed on the cylinder lock mounting base or the locking member mounting base, A spring member that presses and urges the presser plate in a direction in which the presser plate is separated from the locked state of the locking groove on the outer peripheral surface of the locking cylinder lock and the locked state is released,
The retainer actuating member is attached to a lock shaft of a cylinder lock on the master lock side, extends substantially linearly around the lock shaft, and has the press plate at the tip thereof with respect to the other end of the press plate. A lock portion that can be engaged and pressed in a direction to be locked in a locking groove on the outer peripheral surface of the cylinder lock on the locking side, and is operated by key operation of the cylinder lock on the master lock side. A locking position for engaging with the other end, and locking the presser plate in the locking groove on the outer peripheral surface of the locking cylinder lock; and separating the lock portion from the other end of the presser plate; It is configured to be rotatable between an unlocking position for releasing the locking state with the locking groove on the outer peripheral surface of the locking cylinder lock.
(5) having a locking groove in the circumferential direction on the outer peripheral surface of the cylinder lock on the locking side;
The retaining member has a saddle hole formed by continuously forming a large hole through which the locking cylinder lock can be inserted and a small hole that can be locked in the locking groove on the outer peripheral surface of the locking cylinder lock. The cylinder lock mounting base or the locking member mounting base and formed around the cylinder lock mounting hole on the locking side so as to be incorporated, and the cylinder locking mounting base or the locking member mounting base and the locking side cylinder. A slide plate disposed so as to be slidable around the lock mounting hole from the cylinder lock mounting hole on the locking side toward the cylinder locking mounting hole on the master lock side or vice versa; and the cylinder lock mounting base or the locking member The slide plate is disposed between the mounting base and the slide plate, and the slide plate has a large hole of the sword hole on the locking side. A position where the locking-side cylinder lock can be inserted into and removed from the locking-side cylinder lock mounting hole in a concentric manner with respect to the lender-lock mounting hole, and a small hole of the dart hole is the cylinder lock on the locking side. A guide member that slides and guides between a position where the edge of the small hole can be locked in the locking groove on the outer peripheral surface of the cylinder lock on the locking side in a concentric manner with respect to the mounting hole; The master lock is disposed on the cylinder lock mounting base or the locking member mounting base, and the master lock is configured so that a large hole of the dart hole can be concentrically aligned with the cylinder lock mounting hole on the locking side with the slide plate as a normal state. A spring member that presses and urges toward the cylinder lock on the side,
The retainer actuating member is attached to the lock shaft of the cylinder lock on the master lock side, extends substantially linearly around the lock shaft, and has a small hole with a dull hole with respect to the slide plate at the tip. A lock portion that can be pressed by engaging in a direction that is concentrically aligned with the cylinder lock mounting hole on the lock side, and the lock portion is moved to the slide plate by key operation of the cylinder lock on the master lock side. The locking position for sliding the slide plate and locking the small hole of the dart hole into the locking groove on the outer peripheral surface of the cylinder lock on the locking side, and separating the locking portion from the slide plate. The slide plate is slid by the pressing force of the spring member, and the latched state between the small hole of the dart hole and the latch groove on the outer peripheral surface of the cylinder lock on the locking side Release, and pivotally comprised between an unlocked position to match on the same core the large hole of the potbelly hole against the cylinder lock of the locking side.
(6) having a locking groove in the circumferential direction on the outer peripheral surface of the cylinder lock on the locking side;
The retaining member has a saddle hole formed by continuously forming a large hole through which the locking cylinder lock can be inserted and a small hole that can be locked in the locking groove on the outer peripheral surface of the locking cylinder lock. The cylinder lock mounting base or the locking member mounting base and formed around the cylinder lock mounting hole on the locking side so as to be incorporated, and the cylinder locking mounting base or the locking member mounting base and the locking side cylinder. A slide plate disposed so as to be slidable from the cylinder lock mounting hole on the locking side toward the cylinder lock mounting hole on the master lock side or vice versa around the lock mounting hole; and on the master lock side of the slide plate Formed at the end of the cylinder lock mounting hole side, the slide plate is attached to the cylinder lock on the locking side. A pressed surface for pressing in a direction that coincides with the cylinder on the same axis, and a direction in which the large hole of the dart hole is coincident with the cylinder lock mounting hole on the locking side. A locked pressing surface for pressing and the cylinder lock mounting base or the locking member mounting base and the slide plate are arranged, and the slide plate has a large hole of the dart hole on the locking side. A position where the locking-side cylinder lock can be inserted into and removed from the locking-side cylinder lock mounting hole so as to be concentric with the cylinder-locking mounting hole, and a small hole of the dart hole is provided on the locking-side cylinder lock. A guide member that slides and guides between a position where the edge of the small hole is concentric with the mounting hole and can be locked in the locking groove on the outer peripheral surface of the cylinder lock on the locking side. Prepared,
The retainer actuating member is attached to the lock shaft of the cylinder lock on the master lock side, extends substantially linearly around the lock shaft, and has a head hole with respect to the pressed surface of the slide plate at the tip. A small hole engages in a direction that is concentrically coincident with the cylinder lock mounting hole on the locking side, or a hole having a large dart hole with respect to the locked pressing surface of the slide plate is on the locking side It has a lock part that can be engaged and pressed in a direction that is concentric with the cylinder lock mounting hole, and the lock part is pressed against the slide plate by key operation of the cylinder lock on the master lock side. A locking position where the slide plate is slid and the small hole of the dart hole is engaged with the engagement groove on the outer peripheral surface of the cylinder lock on the locking side; The slide plate is slid by engaging with the locked pressing surface of the seat and the locking state of the locking hole on the outer peripheral surface of the locking cylinder lock is released. It is configured to be rotatable between an unlocking position where a large hole of the daruma hole coincides with the cylinder lock on the locking side on the same core.

  According to the lock device with a master lock of the present invention, when the lock device needs to be replaced due to the above-described configuration, even a person who has no skill regarding the replacement operation of the lock device can easily and quickly replace the lock device. The master key may be provided or not, the lock device can be replaced even when the lock device is locked, and the cost required for the replacement can be kept low. Has a special effect.

The front view which shows the structure of the lock apparatus with a master lock in the 1st Embodiment of this invention. Plan sectional view showing the internal configuration of the lock lock device Side sectional view showing the internal structure of the lock lock device The figure which shows the internal structure of the lock front apparatus which removed the locking member mounting base from the back side of the cylinder lock mounting base of the lock front apparatus, and was seen. (A) The figure which shows the lock | rock side cylinder lock and ring with a locking groove which are employ | adopted as the device before the lock (b) The figure which shows the cylinder lock by the side of lock used as the device before the lock Plan sectional drawing which shows the state which attached the lock device to the lock position of the locker door The figure which shows the usage example of the device before the lock, and the exchange method of the cylinder lock on the lock side The figure which shows the structure of the locking device with a master lock in the 2nd Embodiment of this invention, the usage example of the locking device, and the replacement | exchange method of the cylinder lock of the locking side The figure which shows the structure of the lock apparatus with a master lock in the 3rd Embodiment of this invention, the usage example of the apparatus before the lock, and the replacement | exchange method of the cylinder lock of the lock side The figure which shows the structure of the locking device with a master lock in the 4th Embodiment of this invention, the usage example of the locking device, and the replacement | exchange method of the cylinder lock of the locking side The front view which shows the structure of the lock apparatus with a master lock in the 5th Embodiment of this invention. Partially exploded plan sectional view showing the internal structure of the lock lock device The figure which shows the internal structure of the locking device, the usage example of the locking device, and the replacement method of the cylinder lock on the locking side The figure which shows the internal structure of the locking device with a master lock in the 6th Embodiment of this invention, the usage example of the locking device, and the replacement | exchange method of the cylinder lock of the locking side The example which shows the example of a change of the lock apparatus with a master lock in each embodiment, especially the case where other latches, such as a slam latch and a dead bolt, are used for a locking member

  Next, embodiments for carrying out the present invention will be described with reference to the drawings. In each embodiment, a lock device with a master lock applied to a locker installed in a nursing home or various elderly welfare facilities is illustrated. The “door” used in the following description is a locker door.

1 to 7 show a first embodiment.
As shown in FIGS. 1, 2, and 3, a lock device 1 with a master lock includes a cylinder lock mounting base 11 that is fixed at a lock device mounting position of a door, and a locking member that is provided in parallel with the cylinder lock mounting base 11. Mounting base 12, locking-side cylinder lock 13 attached to cylinder lock mounting base 11, retaining member 14 disposed on cylinder lock mounting base 11 or locking member mounting base 12, and mounting on locking member mounting base 12 Attached to the lock shaft 17S of the cylinder lock 17 on the master lock side and the cylinder lock 17 on the master lock side attached to the cylinder lock attachment base 11. And a retaining member 18 (see FIG. 7).

As shown in FIGS. 1 and 2, the cylinder lock mounting base 11 has a cylinder lock mounting hole 111 on the locking side and a cylinder lock mounting hole 112 on the master lock side, and is fixed to the lock device mounting position of the door. The locking member mounting base 12 is formed in correspondence with various locking members adjacent to the substantially cylindrical power transmission shaft holding portion 121 and the power transmission shaft holding portion 121 which are arranged to face the cylinder lock mounting hole 111 on the locking side. The locking member mounting portion 123 is provided, and is arranged in parallel on the back side of the cylinder lock mounting base 11.
In this case, the cylinder lock mounting base 11 is formed in a box shape having a horizontally long rectangle and opened on the back side, and includes a front surface and a peripheral surface composed of an upper surface, a lower surface, and left and right side surfaces. Two cylinder lock mounting holes 111 and 112 are provided on the front surface of the cylinder lock mounting base 11 in the lateral direction. One mounting hole 111 is a cylinder lock mounting hole on the locking side and is formed in a cylindrical shape toward the opening on the back side on the front side, and the other mounting hole 112 is a cylinder lock mounting hole on the master lock side and is formed in a circular shape on the front side. Is done. Further, as shown in FIG. 4, on the inner side of the front surface, a predetermined position close to the cylinder lock mounting hole 111 on the locking side, in this case, on the side opposite to the cylinder lock mounting hole 112 on the master lock side is provided. The shaft holding portions 113 and 114 are formed at two predetermined positions, screw holes 115 for fastening between the mounting bases are formed at upper and lower predetermined positions, and screw holes 116 for mounting screws are formed at the four corners. In addition, the peripheral surface of the cylinder lock mounting base 11 is provided with a flange 117 with the front side of the outer surface projecting outward.
As shown in FIGS. 2 and 3, the locking member mounting base 12 is formed in a box shape that is an oblong rectangle as a whole and opened on the front side, and has a back surface and a peripheral surface composed of an upper surface, a lower surface, and both side surfaces. And the whole is configured to be connectable to the back side of the cylinder lock mounting base 11. On the inner surface of the back surface of the locking member mounting base 12, the power transmission shaft holding portion 121 has a bottomed cylindrical shape facing the cylinder lock mounting hole 111 on the locking side of the cylinder lock mounting base 11, and the bottom side is outside the back surface. It is formed so as to protrude slightly from the side surface, and a shaft insertion hole 122 is formed in the center of the bottom. Further, a locking member mounting portion 123 is formed adjacent to the power transmission shaft holding portion 121 so as to correspond to various locking members. In the case of the lock device 1, as described later, the locking member 16 has a cam. Therefore, the outer side surface of the bottom surface of the power transmission shaft holding portion 121 serves as a mounting surface of the cam as the locking member mounting portion 123. Further, on the inner side surface of the back surface, a shaft holding portion (not shown) and a screw insertion hole (not shown) are formed to face the shaft holding portions 113 and 114 and the screw hole 116 of the cylinder lock mounting base 11, respectively. The The four corners of the locking member mounting base 12 are rounded so that they do not interfere with the screw holes 116 for mounting screws, and are recessed in a substantially L-shaped cross section.
The cylinder lock mounting base 11 and the locking member mounting base 12 are formed in this way. The cylinder lock 17 on the master lock side is mounted in the cylinder lock mounting hole 112 on the master lock side of the cylinder lock mounting base 11. After the power transmission shaft 15 is attached to the power transmission shaft holding portion 121, the locking member mounting base 12 is combined on the back side of the cylinder lock mounting base 11, and each screw insertion hole of the locking member mounting base 12 is connected between the mounting bases. The fastening screw 19 is passed and fastened and fixed to each screw hole 115 of the cylinder lock mounting base 11, and is assembled into a substantially rectangular parallelepiped case having a long side as a whole and a flange 117 around the front side.

The cylinder lock 13 on the locking side is a standard product, and in this case, as shown in FIG. 2, a cam lock generally used as a rocker lock is employed. Further, in this lock device 1, the cylinder lock 13 on the locking side is used with a circumferentially provided locking groove on the outer peripheral surface. In this case, as shown in FIG. 5 (a), the rotor case (outer cylinder) A ring 130 with a locking groove 131 is attached to the outer peripheral surface of the ring. In the ring 130, a locking groove 131 is formed over the entire circumference at a predetermined position on the distal end side of the outer peripheral surface, and the standard cylinder lock 13 is threaded on the outer peripheral surface of the rotor case. A screw is formed on the inner peripheral surface of 130 so as to be screwable with the outer peripheral surface of the rotor case. In this way, the ring 130 is attached to the outer peripheral surface of the standard cylinder lock 13 by screw fastening, and a locking groove 131 is provided at a predetermined position on the front end side of the outer peripheral surface of the cylinder lock 13.
As shown in FIG. 2, the cylinder lock 13 on the lock side is removably attached to the cylinder lock attachment hole 111 on the lock side of the cylinder lock attachment base 11.

As shown in FIG. 4, the retaining member 14 has a shape that can be engaged and disengaged around the cylinder lock 13 on the lock side, and the cylinder lock 13 on the lock side is attached to the cylinder lock attachment base 11 or the lock member attachment base 12. It is arranged around the periphery so as to be detachable, and has a structure that restricts the movement of the locking cylinder lock 13 in the insertion / removal direction.
In this case, the retaining member 14 includes a pair of presser plates 141 and 145.
One presser plate 141 is a drive-side presser plate, and is formed in a substantially arc shape as a whole. One end of the presser plate 141 is a cylinder lock mounting hole 112 on the master lock side around the cylinder lock mounting hole 111 on the lock side of the cylinder lock mounting base 11. In this case, a pin shaft 142 is inserted into the above-described shaft holding portion 113 and pivotally supported by the pin shaft 142 so as to be substantially arc-shaped toward the cylinder lock 17 on the master lock side. It is possible to lock in the locking groove 131 (see FIG. 3) on the outer peripheral surface of the cylinder lock 13 on the locking side from the half surface side on one side (in this case, the upper side) of the outer peripheral surface.
The other presser plate 145 is a follower-side presser plate and is formed in a substantially arc shape as a whole. One end is close to one end of the drive-side presser plate 141, and the lock-side cylinder lock mounting base 11 is locked. Around the mounting hole 111, a predetermined position on the master lock side opposite to the cylinder lock mounting hole 112, in this case, the pin shaft 146 is inserted into the shaft holding portion 114 described above and is pivotally supported by the pin shaft 146. Then, it extends toward the cylinder lock 17 on the master lock side, and the locking groove 131 (see FIG. 3) on the outer peripheral surface of the cylinder lock 13 on the locking side has one half of the outer peripheral surface on the other side (in this case, the lower side). Can be locked from.
A cam mechanism 14C is provided between one end of each of the drive side and driven side presser plates 141 and 145 so that the drive side presser plate 141 is locked in the locking groove 131 of the cylinder lock 13 on the locking side. When it is separated and rotated in the direction in which the locked state is released, the presser plate 141 engages with the rotation of the presser plate 141 and the driven presser plate 145 engages with the locking groove 131 of the cylinder lock 13 on the locking side. It is configured to be able to turn away from the stopped state in a direction in which the locked state is released.
In this case, one end of the pressing plate 141 on the driving side forms a cam shape 143. The cam shape 143 is formed in a substantially arc shape with one end of the presser plate 141 extending from a pivot point pivotally supported by the pin shaft 142 so that the tip of the cam shape is directed downward. It can rotate around the pin shaft 142. Further, one end of the follower-side presser plate 145 forms a cam shape 147 that can be engaged with the cam shape 143 of the drive-side presser plate 141. The cam shape 147 includes a flat shape in which the edge of the pressing plate 141 at the one end of the pressing plate 141 facing the substantially hook shape on the driving side can contact the tip of the hook shape, and a convex shape that can be pressed by the hook shape. And the convex shape is pressed by the front end of the hook shape along with the rotation of the front end of the hook shape (rotation in the direction in which the pressing plate 141 on the driving side separates from the cylinder lock 13 on the locking side). The entire plate 145 is pushed down.
The other ends of the pressing plates 141 and 145 on the driving side and the driven side are formed so as to be able to contact each other. In this case, an extension portion 144 extending from the other end toward the master lock-side cylinder lock 17 is formed at the other end of the drive-side presser plate 141, and the extension portion 144 is directed toward the locking member mounting base 12 side. A pressing portion 144S extending in the horizontal direction at right angles to one side surface is formed.
The drive-side and driven-side presser plates 141 and 145 can be normally locked in the locking grooves 131 on the outer peripheral surface of the locking-side cylinder lock 13 so that the drive-side and driven-side presser plates 141 can be locked. A spring member 148 that presses and biases 145 toward the locking groove 131 is disposed on the cylinder lock mounting base 11 or the locking member mounting base 12.
In this case, grooves 118, 118 are formed on the inner surface of the cylinder lock mounting base 11 at the upper and lower portions of the cylinder lock mounting hole 111 on the locking side, respectively, and the locking member mounting is opposed to these grooves 118, 118. Grooves 128 (see FIG. 3) are formed on the inner surface of the base 12 at the upper and lower portions of the power transmission shaft holding portion 121, respectively, and the holding portion for the spring member 148 between the grooves 118, 128 between the mounting bases 11, 12. The spring member 148 is attached to these holding portions. The spring member 148 employs a coil spring, and the coil spring 148 is disposed in a compressed state in each of the holding portions, so that the pressing plates 141 and 145 on the driving side and the driven side are connected to the cylinder lock 13 on the locking side. It is configured to press and urge toward the locking groove 131.

2 and 3, the power transmission shaft 15 is a power transmission component that transmits the rotation of the lock shaft 13 </ b> S due to the key operation of the cylinder lock 13 on the locking side to the locking member 16, and the power of the locking member mounting base 12. It is rotatably arranged on the transmission shaft holding part 121 and is operatively connected to the lock shaft 13S of the cylinder lock 13 on the lock side, and its tip protrudes toward the lock member mounting part 123 side.
In this case, the power transmission shaft 15 is formed in a cylindrical shape so that it can be inserted into the shaft insertion hole 122 of the power transmission shaft holding portion 121, and the lock shaft 13S of the cylinder lock 13 on the locking side is fitted onto the shaft core from the base end surface. A large-diameter shaft main body 151 having a possible groove 150, a flange 152 that protrudes outward around the opening on the proximal end side of the shaft main body 151 and can be locked to the bottom of the power transmission shaft holding portion 121, and the shaft main body 151 The lock shaft 153 protrudes at the tip and has substantially the same size and shape as the lock shaft 13S of the cylinder lock 13 on the locking side. Such a power transmission shaft 15 is held in the power transmission shaft holding portion 121, and the lock shaft 153 protrudes to the locking member mounting portion 123 through the shaft insertion hole 122 at the bottom.

The locking member 16 is a standard product, and as shown in FIGS. 2 and 3, is disposed on the locking member mounting portion 123 of the locking member mounting base 12 and is operatively connected to the power transmission shaft 15 to It is activated by key operation.
In this case, a standard cam is employed as the locking member 16. The locking member 16 is rotatably attached to the lock shaft 153 of the power transmission shaft 15 protruding from the power transmission shaft holding portion 121 of the locking member mounting base 12 to the locking member mounting portion 123 via a washer and a nut.

As shown in FIGS. 1 and 2, the cylinder lock 17 on the master lock side is used as a master lock of the cylinder lock 13 on the lock side, and is fixed to the cylinder lock mounting hole 112 on the master lock side of the cylinder lock mounting base 11. Is done.
In this case, the cylinder lock 17 on the master lock side is a standard product, and one having a different design including size, shape, color and the like so as to be visually distinguishable from the cylinder lock 13 on the lock side is adopted.
The cylinder lock 17 on the master lock side is inserted into the cylinder lock mounting hole 112 on the master lock side of the cylinder lock mounting base 11, and a nut is attached to the outer peripheral surface (screw) of the cylinder lock 17 from the inside of the cylinder lock mounting base 11. 170 is tightened and fixed.

As shown in FIG. 4, the retaining member 18 is a component that drives the retaining member 14 in a direction to engage and disengage around the locking cylinder lock 13, and is attached to the locking shaft 17 </ b> S of the master locking cylinder lock 17. The lock shaft 17S is pivotably attached to the lock shaft 17S, is operatively connected to the retaining member 14, and the cylinder lock 17 on the master lock side is locked or unlocked by key operation so that the retaining member 14 is attached to the locking side. The cylinder lock 13 is engaged and disengaged.
In this case, as shown in FIG. 7, the retaining member 18 is attached to the lock shaft 17S of the cylinder lock 17 on the master lock side, extends in a substantially L shape around the lock shaft 17S, and has one end on the drive side. The other end of the presser plate 141 has a lock portion 181 that can be engaged and pressed in a direction in which the drive-side presser plate 141 is engaged with the engaging groove 131 on the outer peripheral surface of the locking cylinder lock 13. The other end of the drive-side presser plate 141 is engaged with the other end of the drive-side presser plate 141 in such a direction as to release from the state in which the drive-side presser plate 141 is locked in the locking groove 131 on the outer peripheral surface of the locking-side cylinder lock 13. It has a possible pressing part 182. More specifically, the shape of the retainer actuating member 18 is such that one end side of the retainer actuating member 18 extends in a substantially J shape from the lock shaft 17S, and the tip (one end) is a presser plate on the drive side of the retainer member 14. 141 is formed in a curvilinear shape so as to be able to press against and press against the pressing portion 144S of the 141, the other end side extends in a substantially T shape from the lock shaft 17S, and the tip end (the other end) holds down the holding plate 141 on the driving side of the retaining member 14. It is formed in a hammer shape so as to be able to press against the portion 144S from the opposite side. In this manner, the retaining member 18 is engaged with the pressing portion 144S at the other end of the driving-side pressing plate 141 by the key operation of the cylinder lock 17 on the master locking side, and the pressing-side at the driving side. The locking position where the plate 141 is locked in the locking groove 131 on the outer peripheral surface of the cylinder lock 13 on the locking side, and the pressing portion 182 is engaged with the pressing portion 144S on the other end of the pressing plate 141 on the driving side, so that the driving side The presser plate 141 and the unlocking position for releasing the engagement with the locking groove 131 on the outer peripheral surface of the locking cylinder lock 13 are configured to be rotatable.

  The lock device 1 with the master lock has such a configuration, and the locking cylinder lock 13 attached to the lock device mounting position of the door is fixed by the locking operation of the cylinder lock 17 on the master lock side, and the unlocking operation is performed. Is removable.

FIG. 6 and FIG. 7 illustrate an example of how to use the lock device 1 and a method for replacing the locking cylinder lock 13.
As shown in FIG. 6, in the normal use of the lock device 1, the cylinder lock mounting base 11 and the locking member mounting base 12 assembled in a case shape are fitted into an opening formed at the lock device mounting position of the door. Then, with the flange 117 on the outer periphery of the cylinder lock mounting base 11 locked to the front side edge of the opening, the mounting screw is passed from the rear side of the door through the screw insertion holes at the four corners of the opening, and the cylinder lock mounting base 11 The cylinder lock mounting base 11 and the locking member mounting base 12 are fixed to the lock device mounting position of the door. In this case, in this lock device 1, the cylinder lock 13 on the lock side is attached to the cylinder lock attachment hole 111 on the lock side of the cylinder lock attachment base 11, and the lock shaft 13S of this cylinder lock 13 is the power transmission shaft holding part. The cylinder lock 13 on the locking side is operatively connected to the locking member 16 via the power transmission shaft 15 by being inserted into the groove 150 of the power transmission shaft 15 of 121. In this state, the locking-side cylinder lock 13 has a locking member 131 formed by a pair of pressing plates 141 and 145 pressed and urged by a coil spring 148 in the locking groove 131 on the outer peripheral surface. The movement in the insertion / removal direction is restricted and fixed to the lock mounting hole 111. And in this state, the rotor (inner cylinder) is rotated to the locked position by the key operation of the cylinder lock 17 on the master lock side fixed in the cylinder lock attachment hole 112 on the master lock side of the cylinder lock attachment base 11. Then, the retaining member 18 is rotated to the locked position by the rotation of the lock shaft 17S (see FIG. 7A), and the retaining portion 181 of the retaining member 18 is pressed by the drive side of the retaining member 14. The pressing portion 144S at the end of the rotating side of the plate 141 is pressed down, and the locking-side cylinder lock 13 is completely fixed by the retaining operation member 18.
When the door is locked by the lock device 1, when the lock shaft 13S is driven by rotating the rotor (inner cylinder) to the locked position by the key operation of the cylinder lock 13 on the locking side from the closed state, The locking member 16 attached to the lock shaft 13S, in this case, the cam is rotated to the locking position, and the door is locked. When the door is unlocked, when the lock shaft 13S is driven by rotating the rotor (inner cylinder) toward the unlock position by the key operation of the cylinder lock 13 on the locking side, the door is attached to the lock shaft 13S. The locking member 16, in this case, the cam is rotated to the unlocked position, the door is unlocked, and can be opened and closed.
While the locking device 1 is being used, there is a crime prevention reason or user request due to damage to the locking cylinder lock 13 or loss of the key, or a change by the user, and the locking cylinder lock 13 can be replaced. If necessary, the cylinder lock 13 on the lock side can be removed and removed by operating the cylinder lock 17 on the master lock side, and the old and new cylinder locks 13 can be replaced.
In this case, by driving the lock shaft 17S by rotating the rotor (inner cylinder) of the cylinder lock 17 to the unlock position by the key operation of the cylinder lock 17 on the master lock side fixed to the cylinder lock mounting base 11, As shown in FIG. 7B, the retaining member 18 attached to the lock shaft 17 </ b> S is rotated to the unlock position, and the pressing portion 182 of the retaining member 18 drives the retaining member 14 on the drive side. The press-in portion 144S at the end of the rotation side of the presser plate 141 is pressed to actuate the retaining member 14, and the locking of the locking cylinder lock 13 by the retaining member 14 is released. That is, when the pressing portion 144S of the rotation side end of the pressing plate 141 on the driving side of the retaining member 14 is pressed by the pressing portion 182 of the retaining operation member 18, the engagement of the outer peripheral surface of the cylinder lock 13 on the locking side. The retaining plate 141 on the driving side of the retaining member 14 that is latched in the retaining groove 131 resists the pressing biasing force of the coil spring 148 and latches the cylinder lock 13 using the pin shaft 142 on one end side as a rotation fulcrum. At the same time, the cam shape 143 at one end of the presser plate 141, that is, the front end of the hook shape rotates around the pin shaft 142, and is rotated in the releasing direction. The cam shape 147 at one end, that is, the shape is displaced from a flat shape to a convex shape and pressed, and the presser plate 145 on the driven side is pressed against the pressing force of the coil spring 148. On the other hand, the pin shaft 146 on one end side is separated from the 13 locking groove 131 of the cylinder lock with the pivot shaft as a rotation fulcrum, and is rotated in the releasing direction, and the locking groove 131 of the retaining member 14 and the locking cylinder lock 13 on the locking side. The locked state is released. As a result, the cylinder lock 13 on the lock side becomes free in the cylinder lock mounting hole 111 on the lock side and can be inserted and removed. In this state, the cylinder lock 13 on the lock side is pulled out, the lock shaft 13S of the cylinder lock 13 is removed from the power transmission shaft 15 and removed from the cylinder lock mounting hole 111 on the lock side. Then, a new locking-side cylinder lock 13 is inserted into the locking-side cylinder lock mounting hole 111 from the front-end locking shaft 13S, and the locking shaft 13S is inserted into and attached to the power transmission shaft 15 to be operatively connected to the locking member 16. Thereafter, the key of the cylinder lock 17 on the master lock side of the cylinder lock mounting base 11 rotates the rotor (inner cylinder) in the lock position direction, and the presser plate 141 on the drive side of the retaining member 14 is pressed down. When the pressing to the portion 144S is released, as shown in FIG. 7A, the driving-side pressing plate 141 and the driven-side pressing plate 145 of the retaining member 14 are elastically restored by the pressing biasing force of the coil spring 148, respectively. When the rotor (inner cylinder) is locked in the locking groove 131 of the cylinder lock 13 on the new locking side, the rotor (inner cylinder) is rotated to the locked position, and the retaining member 18 is pivoted to the locked position, the retaining member 18 is removed. The pressing portion 144S of the pressing plate 141 on the drive side of the retaining member 14 is pressed by the lock portion 181 of the retaining member 14, and the retaining member 14 Cylinder lock 13 of the Do locking side is fully seated.

As described above, according to the lock device 1 with the master lock, the cylinder lock 13 on the locking side is removably attached to the lock device mounting position of the door by the cylinder lock mounting base 11 and the cylinder lock 17 on the master lock side is attached. The cylinder lock 13 on the locking side is fixed detachably by the retaining member 14 that is actuated via the retaining member 18 that is rotated by the key operation of the cylinder lock 17 on the master lock side. The cylinder lock 13 on the locking side is fixed by the locking operation of the cylinder lock 17 on the master lock side and can be removed by the unlocking operation. Therefore, it is necessary to replace the lock device (cylinder lock 13 on the locking side). In this case, it is easy and quick to replace the lock device (cylinder lock 13 on the locking side) even for those who have no skill in this work. In addition, the cylinder lock 13 on the locking side may or may not have a master key, and the cylinder lock 13 can be replaced even when the locking cylinder lock 13 is in the locked state, and is required for replacement. Costs can be kept low.
In the lock device 1, the power transmission shaft 15 is provided on the locking member mounting base 12, and the locking shaft 13 </ b> S of the cylinder lock 13 is driven by inserting the locking cylinder lock 13 into the cylinder locking mounting base 11. Since the cylinder lock 13 is operatively connected to the transmission shaft 15 and is operatively connected to the locking member 16 via the power transmission shaft 15, the cylinder lock 13 on the locking side is simply inserted into the cylinder lock mounting base 11. The locking shaft 13S of the locking-side cylinder lock 13 and the locking member 16 can be operatively connected, and the locking shaft 13S of the locking-side cylinder lock 13 can be simply pulled out of the cylinder-lock mounting base 11. And the locking member 16 can be separated.
Furthermore, in this lock device 1,
(1) A ring 130 with a locking groove is attached to the outer peripheral surface of the cylinder lock 13 on the locking side to provide a locking groove 131 in the circumferential direction.
(2) The retaining member 14 has a pin shaft 142 at one end of the pin shaft 142 around a cylinder lock mounting hole 111 on the locking side of the cylinder lock mounting base 11 and on a side opposite to the cylinder lock mounting hole 112 on the master lock side. , And is extended toward the cylinder lock 17 on the master lock side, and can be locked to the locking groove 131 on the outer peripheral surface of the cylinder lock 13 on the locking side from one half surface side of the outer peripheral surface. The plate 141, one end side of which is close to one end of the holding plate 141 on the driving side and around the cylinder lock mounting hole 111 on the locking side of the cylinder lock mounting base 11 and opposite to the cylinder lock mounting hole 112 on the master lock side. It is pivotally supported by a pin shaft 146 at a predetermined position, extends toward the cylinder lock 17 on the master lock side, and is externally attached to the locking groove 131 on the outer peripheral surface of the cylinder lock 13 on the lock side. Formed between one end of a driven presser plate 145 that can be locked from the other half of the surface and each of the drive side and driven side presser plates 141 and 145, and the drive side presser plate 141 is a cylinder on the locking side. The driven-side presser plate 145 is engaged with the rotation of the drive-side presser plate 141 in the direction in which the locked state is released from the state of being locked in the locking groove 131 of the lock 13, and the driven-side presser plate 145 is engaged with the locking side The cam mechanism 14C having cam shapes 143 and 147 that are movable away from the state of being locked in the locking groove 131 of the cylinder lock 13 and released from the locked state, and the cylinder lock mounting base 11 or the locking member Each of the drive side and driven side presser plates 141 and 145 disposed on the mounting base 12 can be locked in a lock groove 131 on the outer peripheral surface of the locking side cylinder lock 13. 41,145 constituted by a spring member 148 which presses and biases toward the locking groove 131 (the coil spring), and
(3) The retaining member 18 is attached to the lock shaft 17S of the cylinder lock 17 on the master lock side, extends in a substantially L shape around the lock shaft 17S, and is connected to the other end of the press plate 141 on the drive side at one end. On the other hand, there is a lock portion 181 that can be engaged and pressed in a direction in which the driving-side press plate 141 is locked in the locking groove 131 on the outer peripheral surface of the locking-side cylinder lock 13, and the driving-side presser plate is at the other end. The other end of 141 has a pressing portion 182 that can be engaged and pressed in a direction to release the driving-side presser plate 141 from the state of being locked in the locking groove 131 on the outer peripheral surface of the locking-side cylinder lock 13. The lock portion 181 is engaged with the other end of the drive-side press plate 141 by the key operation of the cylinder lock 17 on the master lock side, and the drive-side press plate 141 is engaged with the outer peripheral surface of the lock-side cylinder lock 13. Stop groove 31 is engaged with the locking portion 131, and the pressing portion 182 is engaged with the holding plate 141 on the driving side on the other end, and the holding plate 141 on the driving side and the locking groove 131 on the outer peripheral surface of the cylinder lock 13 on the locking side. Since it is configured to be able to rotate between the unlock position to release the engagement,
A standard product is used for the cylinder lock 13 on the locking side, and the retaining member 14 and the retaining member 18 can be configured with a simple structure, so that the cost can be kept low. The cylinder lock 13 can be securely fixed to the cylinder lock mounting base 11 and can be easily removed.

  FIG. 8 shows a second embodiment. In this embodiment, since only the configuration of the retaining member is different from that of the first embodiment, only the retaining member will be described, and the same reference numerals are given to the members common to the first embodiment. Thus, the duplicate description is omitted.

As shown in FIG. 8, in the lock apparatus 2, the retaining member 24 includes a pair of presser plates 241 and 245.
One presser plate 241 is a drive-side presser plate and is formed in a substantially arc shape as a whole, one end is around the cylinder lock mounting hole 111 on the lock side of the cylinder lock mounting base 11 and the cylinder lock mounting hole on the master lock side. 112, in this case, a pin shaft 142 is inserted into the shaft holding portion described above and pivotally supported by the pin shaft 142, and is substantially arc-shaped toward the cylinder lock 17 on the master lock side. And can be locked to the locking groove 131 on the outer peripheral surface of the cylinder lock 13 on the locking side from the half surface side on one side (in this case, the upper side) of the outer peripheral surface.
The other presser plate 245 is a follower-side presser plate, and is formed in a substantially arc shape as a whole. One end is close to one end of the drive-side presser plate 241 and the cylinder lock mounting hole 111 on the lock side of the cylinder lock mounting base 11. , And a predetermined position on the master lock side opposite to the cylinder lock mounting hole 112, in this case, the pin shaft 146 is inserted into the shaft holding portion described above and pivotally supported by the pin shaft 146. It extends toward the lock-side cylinder lock 17 and can be locked in the locking groove 131 on the outer peripheral surface of the locking-side cylinder lock 13 from the other half (in this case, the lower side) of the outer peripheral surface. .
A gear mechanism 24G is provided between one end of each of the drive side and driven side presser plates 241 and 245 so that the drive side presser plate 241 is locked in the locking groove 131 of the cylinder lock 13 on the locking side. When it is separated and rotated in the direction in which the locked state is released, the presser plate 245 is engaged with the rotation of the presser plate 241, and the driven presser plate 245 is engaged with the lock groove 131 of the cylinder lock 13 on the lock side. It is configured to be able to turn away from the stopped state in a direction in which the locked state is released.
In this case, one end of the drive-side presser plate 241 forms a gear shape 243. The gear shape 243 is formed with a part of the spur gear at the inner edge of one end of the presser plate 241, and a part of the spur gear is directed downward to be rotatable around the pin shaft 142. Yes. Further, one end of the follower-side presser plate 245 forms a gear shape 247 that can mesh with the gear shape 243 of the drive-side presser plate 241. The gear shape 247 is formed with a spur gear that can mesh with a part of the spur gear of the drive-side presser plate 241 at the inner edge of the presser plate 245 that faces one part of the spur gear of the drive-side presser plate 241. Thus, the spur gear of the driven-side presser plate 245 is rotated together with the rotation of a part of the spur gear of the drive-side presser plate 241 (rotation in the direction in which the drive-side presser plate 241 is separated from the cylinder lock 13 on the locking side) Is rotated so that the entire presser plate 245 on the driven side is pushed downward.
Further, the other ends of the pressing plates 241 and 245 on the driving side and the driven side are formed so as to be able to contact each other. In this case, an extension portion 244 extending from the other end toward the master lock side cylinder lock 17 is formed at the other end of the drive side presser plate 241, and the extension portion 244 is directed toward the locking member mounting base 12 side. A pressing portion 244S extending in the horizontal direction at a right angle is formed on one side surface.
In order to prevent rattling of the retaining member 24, the holding plates 241 and 245 on the driving side and the driven side are locked to the cylinder lock 13 on the locking side in the same manner as in the first embodiment. A spring member (coil spring) that presses and urges toward the groove 131 may be disposed on the cylinder lock mounting base 11 or the locking member mounting base 12.
In this way, as shown in FIG. 8A, the locking cylinder lock 13 attached to the locking cylinder mounting hole 111 on the locking side of the cylinder lock mounting base 11 has a pair of locking grooves 131 on the outer peripheral surface. It is locked by the retaining member 24 composed of the pressing plates 241 and 245, and is fixed to the cylinder lock mounting hole 111 on the locking side with its movement in the insertion / removal direction being restricted. In this state, the rotor (inner cylinder) is rotated to the locked position by the key operation of the cylinder lock 17 on the master lock side fixed in the cylinder lock attachment hole 112 on the master lock side of the cylinder lock attachment base 11. Then, the retaining member 18 is pivoted to the locked position by the rotation of the lock shaft 17S, and the end of the retaining plate 241 on the driving side of the retaining member 24 is rotated by the lock portion 181 of the retaining member 18. The pressing portion 244S is pressed down, and the locking-side cylinder lock 13 is completely fixed by the retaining member operation 18.
While the lock device 2 is in use, there is a crime prevention reason or a user request due to damage to the locking cylinder lock 13 or loss of the key, or a change of the user, and the locking lock cylinder 13 can be replaced. If necessary, the cylinder lock 13 on the lock side can be removed and removed by operating the cylinder lock 17 on the master lock side, and the old and new cylinder locks 13 can be replaced.
In this case, as shown in FIG. 8 (b), the rotor (inner cylinder) of the cylinder lock 17 is rotated to the unlocked position by operating the cylinder lock 17 on the master lock side fixed to the cylinder lock mounting base 11. When the lock shaft 17S is driven to move, the retaining member 18 attached to the lock shaft 17S is rotated to the unlock position, and the pressing portion 182 of the retaining member 18 drives the retaining member 24 on the drive side. The press-in portion 244S at the rotation side end of the presser plate 241 is pressed to operate the retaining member 24, and the locking by the retaining member 24 of the cylinder lock 13 on the locking side is released. That is, if the pressing portion 244S of the rotation side end portion of the pressing plate 241 on the driving side of the retaining member 24 is pressed by the pressing portion 182 of the retaining operation member 18, the engagement of the outer peripheral surface of the cylinder lock 13 on the locking side. The holding plate 241 on the driving side of the retaining member 24 locked to the locking groove 131 is separated from the locking groove 131 of the cylinder lock 13 with the pin shaft 142 on one end side as a rotation fulcrum, and rotates in the releasing direction. At the same time, the gear shape 243 (a part of the spur gear) at one end of the presser plate 241 rotates around the pin shaft 142 and engages with the gear shape 247 (at one end of the driven presser plate 245). (A part of the spur gear) is rotated in the opposite direction to the driving-side presser plate 241, and the driven-side presser plate 245 uses this pin shaft 146 as a rotation fulcrum for this series. Away from the locking groove 131 of Zehnder lock 13, is rotated in a direction to be released, the locking state between the locking member 24 exits the locking groove 131 of the lock side of the cylinder lock 13 is released. As a result, the cylinder lock 13 on the lock side becomes free in the cylinder lock mounting hole 111 on the lock side and can be inserted and removed. In this state, the cylinder lock 13 on the lock side is pulled out, the lock shaft 13S of the cylinder lock 13 is removed from the power transmission shaft 15 and removed from the cylinder lock mounting hole 111 on the lock side. Then, a new locking-side cylinder lock 13 is inserted into the locking-side cylinder lock mounting hole 111 from the front-end locking shaft 13S, and the locking shaft 13S is inserted into and attached to the power transmission shaft 15 to be operatively connected to the locking member 16. Thereafter, when the rotor (inner cylinder) is rotated in the lock position direction by the key operation of the cylinder lock 17 on the master lock side of the cylinder lock mounting base 11, as shown in FIG. 18 is released from the pressing portion 244S of the pressing plate 241 on the driving side, and the pressing portion 244S of the pressing plate 241 on the driving side is replaced with a new cylinder lock on the locking side by the lock portion 181 of the retaining member 18. 13 is pressed and rotated toward the locking groove 131, and the rotation of the pressing plate 241 causes the driven-side pressing plate 245 to move toward the locking groove 131 of the cylinder lock 13 on the new locking side via the gear mechanism 24G. It is rotated and locked in the locking groove 131 of the cylinder lock 13 on the new locking side, respectively, and the rotor (inner cylinder) is rotated to the locked position, and then removed. When the actuating member 18 is rotated to the lock position, the locking portion 181 of the retaining member operating member 18 presses the pressing portion 244S of the retaining plate 241 on the driving side of the retaining member 24, and this retaining member 18. Thus, the cylinder lock 13 on the locking side is completely fixed.
Even if it does in this way about the retaining member 24, the effect similar to 1st Embodiment can be acquired.

  FIG. 9 shows a third embodiment. In this embodiment, since only the configuration of the retaining member is different from that of the first embodiment, only the retaining member will be described, and the same reference numerals are given to the members common to the first embodiment. Thus, the duplicate description is omitted.

As shown in FIG. 9, in the lock device 3, the retaining member 34 is composed of one press plate 341.
This presser plate 341 is formed in a substantially arc shape as a whole, and one end is around a cylinder lock mounting hole 111 on the locking side of the cylinder lock mounting base 11 and on the opposite side of the cylinder lock mounting hole 112 on the master lock side. In this case, the pin shaft 142 is inserted into the shaft holding portion described above, is pivotally supported by the pin shaft 142, and extends in a substantially arc shape toward the cylinder lock 17 on the master lock side. The locking groove 131 on the outer peripheral surface of the lock 13 can be locked from one half (in this case, the upper half) of the outer peripheral surface.
Further, an extension portion 344 extending from the other end toward the master lock side cylinder lock 17 is formed at the other end of the presser plate 341, and one side surface of the extension portion 344 directed toward the locking member mounting base 12 side. A pressing portion 344S extending in the horizontal direction at a right angle to is formed.
In this way, as shown in FIG. 9A, the locking-side cylinder lock 13 attached to the locking-side cylinder lock mounting hole 111 of the cylinder lock mounting base 11 is retained in the locking groove 131 on the outer peripheral surface. The pressing plate 341 of the member 34 is locked, and the movement in the insertion / removal direction is restricted and fixed to the cylinder lock mounting hole 111 on the locking side. In this state, the rotor (inner cylinder) is rotated to the locked position by the key operation of the cylinder lock 17 on the master lock side fixed in the cylinder lock attachment hole 112 on the master lock side of the cylinder lock attachment base 11. Accordingly, the retaining member 18 is pivoted to the locked position by the rotation of the lock shaft 17S, and the retaining portion 344S at the pivoting side end of the retaining plate 341 is depressed by the locking portion 181 of the retaining member 18. The cylinder lock 13 on the locking side is completely fixed by the retaining member actuating 18.
While the lock device 3 is in use, there is a crime prevention reason or a user request due to breakage of the lock-side cylinder lock 13 or loss of the key, or a change of the user, and the lock-side cylinder lock 13 is replaced. If necessary, the cylinder lock 13 on the lock side can be removed and removed by operating the cylinder lock 17 on the master lock side, and the old and new cylinder locks 13 can be replaced.
In this case, as shown in FIG. 9B, the rotor (inner cylinder) of the cylinder lock 17 is rotated to the unlock position by the key operation of the cylinder lock 17 on the master lock side fixed to the cylinder lock mounting base 11. When the lock shaft 17S is moved and driven, the retainer operating member 18 attached to the lock shaft 17S is rotated to the unlock position, and the presser plate 341 of the retainer member 34 is pressed by the pressing portion 182 of the retainer operating member 18. The pressing portion 344S at the end of the rotation side is pressed, the pressing plate 341 of the retaining member 34 is operated, and the fixing of the locking cylinder lock 13 by the pressing plate 341 is released. That is, when the pressing portion 344S at the rotation side end of the pressing plate 341 is pressed by the pressing portion 182 of the retaining member 18, the locking member 131 is locked in the locking groove 131 on the outer peripheral surface of the cylinder lock 13 on the locking side. The presser plate 341 is separated from the locking groove 131 of the cylinder lock 13 with the pin shaft 142 on one end side as a rotation fulcrum, and is rotated in the release direction, so that the retaining member 34 and the locking cylinder lock 13 are locked. The locked state with the groove 131 is released. As a result, the cylinder lock 13 on the lock side becomes free in the cylinder lock mounting hole 111 on the lock side and can be inserted and removed. In this state, the cylinder lock 13 on the lock side is pulled out, the lock shaft 13S of the cylinder lock 13 is removed from the power transmission shaft 15 and removed from the cylinder lock mounting hole 111 on the lock side. Then, a new locking-side cylinder lock 13 is inserted into the locking-side cylinder lock mounting hole 111 from the front-end locking shaft 13S, and the locking shaft 13S is inserted into and attached to the power transmission shaft 15 to be operatively connected to the locking member 16. Thereafter, when the rotor (inner cylinder) is rotated in the lock position direction by the key operation of the cylinder lock 17 on the master lock side of the cylinder lock mounting base 11, as shown in FIG. 18 is released from the pressing portion 344S of the pressing plate 341, and the pressing portion 344S of the pressing plate 341 is locked by the locking portion 181 of the retaining member 18 so that the locking groove 131 of the cylinder lock 13 on the new locking side is obtained. The presser plate 341 is locked in the locking groove 131 of the cylinder lock 13 on the locking side, the rotor (inner cylinder) is rotated to the lock position, and the retaining member 18 is locked. When it is rotated to the position, the lock portion 181 of the retainer actuating member 18 presses the presser portion 344S of the presser plate 341, and this release portion Locking side of the cylinder lock 13 is completely fixed by fit actuating member 18.
Even in this manner, the retaining member 34 can obtain the same effects as those of the first embodiment.

  FIG. 10 shows a fourth embodiment. In this embodiment, since only the configuration of the retaining member and the retaining member is different from that of the first embodiment, only the retaining member and the retaining member will be described. Common members are denoted by the same reference numerals, and redundant description thereof is omitted.

As shown in FIG. 10, in the lock device 4, the retaining member 44 includes a single presser plate 441 and a spring member 448.
The entire presser plate 441 is formed in a substantially arc shape, and has one end side around a cylinder lock mounting hole 111 on the locking side of the cylinder lock mounting base 11 and a predetermined side opposite to the cylinder lock mounting hole 112 on the master lock side. Position, in this case, the pin shaft 142 is inserted into the shaft holding portion described above, is pivotally supported by the pin shaft 142 and extends toward the cylinder lock 17 on the master lock side, and the outer peripheral surface of the cylinder lock 13 on the lock side The locking groove 131 can be locked from one side of the outer peripheral surface on one side (in this case, the upper side). An extension 444 extending toward the cylinder lock 17 on the master lock side is provided at the other end of the presser plate 441.
The spring member 448 employs a coil spring, is disposed on the cylinder lock mounting base 11 or the locking member mounting base 12, and the presser plate 441 is locked in the locking groove 131 on the outer peripheral surface of the cylinder lock 13 on the locking side. The presser plate 441 is configured to be pressed and biased in the direction in which the latching state is released. In this case, a groove 418 for inserting a coil spring is formed on the inner side surface of the cylinder lock mounting base 11 between the cylinder lock mounting hole 111 on the locking side and the cylinder lock mounting hole 112 on the master lock side. Opposite to 418, a groove 419 for inserting a coil spring is formed on the inner surface of the locking member mounting base 12, and a spring member holding portion is formed between the grooves 418, 419 between the mounting bases 11, 12. . The coil spring 448 is disposed in the holding portion, one end is fixed to the bottom portion of the holding portion, the other end is fixed to the other end extension portion 444 of the presser plate 441, and the presser plate 441 is normally attached to the cylinder lock 13 on the locking side. It is separated from the locking groove 131 and is pressed and urged toward the releasing direction.
The retaining member 48 is attached to the lock shaft 17S of the cylinder lock 17 on the master lock side, extends substantially linearly around the lock shaft 17S, and is pressed against the other end extension 444 of the presser plate 441 at the tip. There is a lock portion 481 that can be engaged and pressed in a direction in which the plate 441 is locked in the locking groove 131 on the outer peripheral surface of the cylinder lock 13 on the locking side. In this case, the retainer actuating member 48 extends from the lock shaft 17S in a substantially J shape, and in particular, the distal end abuts against the extension portion 444 of the presser plate 441 and is formed in a curve so as to be able to be pressed. In this way, the stopper actuating member 48 engages the lock portion 481 with the other end extension portion 444 of the presser plate 441 by the key operation of the cylinder lock 17 on the master lock side, and the presser plate 441 is engaged with the cylinder on the lock side. The lock position for locking in the locking groove 131 on the outer peripheral surface of the lock 13 and the lock portion 481 are separated from the other end extension portion 444 of the presser plate 441, and the presser plate 441 and the outer peripheral surface of the cylinder lock 13 on the locking side are engaged. It can be rotated between the unlocked position where the locked state with the stop groove 131 is released.
10A, when the rotor (inner cylinder) is rotated in the lock position direction by the key operation of the cylinder lock 17 on the master lock side of the cylinder lock mounting base 11, as shown in FIG. The locking portion 481 of the retaining member 48 engages and presses the extension portion 444 of the holding plate 441, and the holding plate 441 compresses the coil spring 448 while compressing the coil spring 448. When the rotor (inner cylinder) is rotated toward the locking groove 131 on the outer peripheral surface and the rotor (inner cylinder) is rotated to the lock position, the presser plate 441 is locked to the locking groove 131 on the outer peripheral surface of the cylinder lock 13 on the locking side. The extension portion 444 of the presser plate 441 is pressed by the lock portion 481 of the retaining member 48, and the retaining member 48 locks the locking side. Cylinder lock 13 is fully seated.
While the lock device 4 is in use, there is a crime prevention reason or user request due to breakage of the locking cylinder lock 13 or loss of the key, or a change of the user, and it is necessary to replace the locking cylinder lock. In this case, the cylinder lock 13 on the lock side can be removed and removed by operating the cylinder lock 17 on the master lock side, and the old and new cylinder locks 13 can be replaced.
In this case, as shown in FIG. 10B, the rotor (inner cylinder) of the cylinder lock 17 is directed to the unlocked position by the key operation of the cylinder lock 17 on the master lock side fixed to the cylinder lock mounting base 11. When the lock shaft 17S is rotated and the lock shaft 17S is driven, the retainer operating member 48 attached to the lock shaft 17S rotates toward the unlocked position, and the extension member 444 of the presser plate 441 by the retainer actuating member 48 is rotated. The presser plate 441 is elastically restored by the pressing biasing force of the coil spring 448 and is separated from the locking groove 131 of the locking cylinder lock 13, and the pressing plate 441 and the locking cylinder lock 13 are locked. The locked state with the groove 131 is released. As a result, the cylinder lock 13 on the lock side becomes free in the cylinder lock mounting hole 111 on the lock side and can be inserted and removed. In this state, the cylinder lock 13 on the lock side is pulled out, the lock shaft 13S of the cylinder lock 13 is removed from the power transmission shaft 15 and removed from the cylinder lock mounting hole 111 on the lock side. Then, a new locking-side cylinder lock 13 is inserted into the locking-side cylinder lock mounting hole 111 from the front-end locking shaft 13S, and the locking shaft 13S is inserted into and attached to the power transmission shaft 15 to be operatively connected to the locking member 16. Thereafter, when the rotor (inner cylinder) is rotated in the lock position direction by the key operation of the cylinder lock 17 on the master lock side of the cylinder lock mounting base 11, as shown in FIG. 48 lock portions 481 engage and press the extension portions 444 of the presser plate 441, and the presser plate 441 compresses the coil spring 448 while engaging the outer peripheral surface of the cylinder lock 13 on the lock side of the cylinder lock mounting base 11. When the rotor (inner cylinder) is rotated to the locking position by rotating toward the locking groove 131, the presser plate 441 is locked to the locking groove 131 on the outer peripheral surface of the cylinder lock 13 on the locking side. The extension portion 444 of the plate 13 is pressed by the lock portion 481 of the retaining operation member 48, and the retaining-side operation member 48 uses the cylinder lock on the locking side. 3 is completely fixed.
In this way, the same effect as that of the first embodiment can be obtained with respect to the retaining member 44 and the retaining member 48.

  11 to 13 show a fifth embodiment. In this embodiment, each configuration of the cylinder lock mounting base and the locking member mounting base, the ring inserted into the outer peripheral surface of the cylinder lock on the locking side, the retaining member and the retaining operation member is the first embodiment. Since it is different from the form, each of the cylinder lock mounting base and the locking member mounting base, the ring, the retaining member and the retaining operation member will be described, and the same reference numerals are given to the members common to the first embodiment, A duplicate description is omitted.

In the lock device 5, the cylinder lock mounting base 51 and the locking member mounting base 52 are each composed of a front plate P and a rear case C as shown in FIGS. 11 and 12.
The front plate P is formed in a horizontally long rectangle slightly larger than the front surface of the rear case C, and two cylinder lock mounting holes 511 and 512 are provided on the front surface of the front plate P in the horizontal direction. One of the mounting holes 511 is a cylinder lock mounting hole on the locking side and protrudes slightly toward the front, and is formed in a cylindrical shape. The other mounting hole 512 is a cylinder lock mounting hole on the master lock side, and is formed in a circular shape on the front. The
The rear case C is formed in a horizontally-long rectangular box shape as a whole, and includes a front surface, a back surface, and a peripheral surface made up of an upper surface, a lower surface, and left and right side surfaces. Two cylinder lock mounting holes 511 and 512 are provided in the front side of the rear case C in the lateral direction. One mounting hole 511 is a cylinder lock mounting hole on the locking side, a circular hole is drilled in the front, and a hat-shaped plate is joined to the inner side of the front, and this plate is opposed to the front hole. Thus, a circular hole is drilled to form a substantially cylindrical shape as a whole. The other mounting hole 512 is a cylinder lock mounting hole on the master lock side, and is formed in a circular shape in the front. In addition, a shaft insertion hole 522 is formed on the rear surface of the rear case C so as to face the substantially cylindrical hole on the front surface, and a hat-shaped plate is joined to the inner surface of the rear surface. A circular hole (having a smaller diameter than the outer diameter of the rotor case) through which the distal end side of the locking cylinder lock 13 can be inserted is formed facing the cylindrical hole, and the power transmission shaft holding portion 521 is formed. The power transmission shaft 15 is held around the shaft insertion hole 522 in the power transmission shaft holding portion 521, and the lock shaft 153 protrudes from the shaft insertion hole 522 to the outside. Further, adjacent to the power transmission shaft holding portion 521, a locking member mounting portion 56 is formed corresponding to various locking members, and in the case of the lock device 5, a cam is employed for the locking member 16. The outer surface of the bottom surface of the power transmission shaft holding portion 521 is a mounting surface of the cam as the locking member mounting portion 56, and the cam is attached to the lock shaft 153 of the power transmission shaft 15 by a washer and a nut.
In this way, the front plate P and the rear case C are formed, the cylinder lock mounting base 51 is configured by the front plate P and the front surface of the rear case C, and the locking member mounting base 52 is configured by the back surface of the rear case C. Is done. Then, the cylinder lock 13 on the lock side is attached to the cylinder lock attachment hole 511 on the lock side of the cylinder lock attachment base 51, and the lock shaft 13S of the cylinder lock 13 is inserted into the groove 150 of the power transmission shaft 15, so that the lock side The cylinder lock 13 is operatively connected to the locking member 16 via the power transmission shaft 15. Further, the cylinder lock 17 on the master lock side is inserted into the cylinder lock mounting hole 512 on the master lock side of the cylinder lock mounting base 51, and the outer surface (screw) of the cylinder lock 17 is inserted from the inside of the cylinder lock mounting base 51. The nut 170 is tightened and fixed.

  The ring 530 has substantially the same configuration as the ring 130 described above, but in this case, the ring 530 is different from the above-described one in that the locking groove 531 is formed at the approximate center in the axial direction of the outer peripheral surface.

As shown in FIG. 13, the retaining member 54 includes a single slide plate 541, a guide member 54 </ b> G, and a spring member 549.
The slide plate 541 is made of a substantially rectangular plate as a whole, and has a large hole 542 through which the locking cylinder lock 13 can be inserted and a small hole 543 that can be locked in the groove 531 on the outer peripheral surface of the locking cylinder lock 13. It has a dart hole 544 formed continuously in the horizontal direction (horizontal direction), and is formed to be able to be assembled around the locking member mounting base 52 (or the cylinder lock mounting base) and around the cylinder lock mounting hole 511 on the locking side. The lock member mounting base 52 (or cylinder lock mounting base) and around the cylinder lock mounting hole 511 on the locking side, in this case, the master lock from the cylinder locking mounting hole 511 on the locking side between the plates in the rear case C. It is slidably arranged toward the cylinder lock mounting hole 512 on the side or vice versa. Further, in the slide plate 541, a spring member mounting portion 545 is formed in a groove shape at one end of the slide plate 541 on the opposite side to the cylinder lock 17 on the master lock side. A pressed surface 546 that is pressed against the end by the retaining member 58 is formed at a right angle to the plate surface of the slide plate 541 and parallel to the axial direction of the cylinder lock 17 on the master lock side.
The guide member 54G is disposed between the locking member mounting base 52 (or the cylinder locking mounting base) and the slide plate 541. The slide plate 541 has a large hole 542 having a dart hole 544 and a cylinder locking mounting hole 511 on the locking side. , The position where the locking cylinder lock 13 can be inserted into and removed from the locking cylinder lock mounting hole 511, and the small hole 543 of the dart hole 544 is formed in the locking cylinder lock mounting hole 511. On the other hand, it slide-guides between the edge of the small hole 543 which coincides on the same core and a position where it can be locked in the locking groove 531 on the outer peripheral surface of the cylinder lock 13 on the locking side. In this case, on the side of the locking member mounting base 52 (or cylinder lock mounting base), a predetermined position above and below the cylinder locking mounting hole 511 on the locking side with the plate on the back inner surface of the rear case C forming the locking member mounting base 52 here. A guide pin 547 protrudes from each of the positions corresponding to the guide plate 547, and a long guide hole 548 that is long in the sliding direction of the slide plate 541 is formed on the slide plate 541 side at a predetermined position above and below the dart hole 544. As a result of the engagement between the guide pins 547 and the guide holes 548, the slide plate 541 is positioned on the locking side so that the large hole 542 of the screw hole 544 coincides concentrically with the cylinder lock mounting hole 511 on the locking side. A position where the cylinder lock 13 on the locking side can be inserted into and removed from the cylinder lock mounting hole 511, and a small hole 54 of the daruma hole 544. Is aligned with the cylinder lock mounting hole 511 on the locking side, and slides to a position where the edge of the small hole 543 can be locked in the locking groove 531 on the outer peripheral surface of the cylinder lock 13 on the locking side. invite.
The spring member 549 employs a coil spring, one end is fixed to the side surface of the rear case C forming the locking member mounting base 52 (or cylinder lock mounting base), and the other end is a spring member mounting portion 545 at one end of the slide plate 541. Is fixed to the locking member mounting base 52 (or the cylinder locking mounting base), and the large hole 542 of the drum hole 544 is concentric with the cylinder locking mounting hole 511 on the locking side with the slide plate 541 in a normal state. To the cylinder lock 17 on the master lock side so as to be able to coincide with.
The retainer actuating member 58 is attached to the lock shaft 17S of the cylinder lock 17 on the master lock side, extends substantially linearly around the lock shaft 17S, and has a small hole 543 with a screw hole 544 at the tip with respect to the slide plate 541. Has a lock portion 581 that can be engaged with and pressed in a direction that coincides with the cylinder lock mounting hole 511 on the locking side. More specifically, the shape of the retainer actuating member 58 extends from the lock shaft 17S in a substantially T shape, and the lock portion 581 at the tip (one end) is pressed against the other end of the slide plate 541. A curved hammer shape is formed so as to be able to press against the surface 546. In this way, the retaining member 58 is made to resist the pressing biasing force of the coil spring 549 by engaging the lock portion 581 with the pressed surface 546 of the slide plate 541 by the key operation of the cylinder lock 17 on the master lock side. Then, a locking position for locking the small hole 543 of the round hole 544 for sliding the slide plate 541 into the locking groove 531 on the outer peripheral surface of the cylinder lock 13 on the locking side, and the pressed surface of the slide plate 541 for the lock portion 581 The locking state between the small hole 543 of the blind hole 544 and the locking groove 531 on the outer peripheral surface of the cylinder lock 13 on the locking side is released away from the 546 by the pressing biasing force of the coil spring 549. The large hole 542 of the daruma hole 544 is concentrically aligned with the cylinder lock 13 on the locking side. Rotatably configured between a locking position.

  This lock device 5 has such a structure, and as shown in FIG. 12, the front plate P is on the front side of the lock mounting position of the door, and the rear case C is on the back side of the lock mounting position. It is attached with a mounting screw in accordance with the mounting hole of the cylinder lock on the locking side at the lock mounting position and the mounting hole of the cylinder lock on the master lock side.

Then, as shown in FIG. 13A, when the rotor (inner cylinder) is rotated in the lock position direction by the key operation of the cylinder lock 17 on the master lock side of the cylinder lock mounting base 51, The locking portion 581 of the retaining member 58 engages and presses the pressed surface 546 of the slide plate 541, and the slide plate 541 compresses the coil spring 549 and guides the guide member 54G to make a small hole in the screw hole 544. When 543 is slid toward the locking groove 531 on the outer peripheral surface of the cylinder lock 13 on the locking side of the cylinder lock mounting base 51 and the rotor (inner cylinder) is rotated to the lock position, the hole 544 in the slide plate 541 is rotated. A small hole 543 is locked in the locking groove 131 on the outer peripheral surface of the cylinder lock 13 on the locking side, and this slide plate Pressed surface 546 of the 41 is held down by the locking portion 581 of the gear operating member 58 exits, cylinder lock 13 of the locking side by gear operating member 58 this omission is fully seated.
While the lock device 5 is in use, there is a crime prevention reason or a user request due to damage to the locking cylinder lock 13 or loss of the key, or a change of the user, and the locking lock cylinder 13 can be replaced. If necessary, the cylinder lock 13 on the lock side can be removed and removed by operating the cylinder lock 17 on the master lock side, and the old and new cylinder locks 13 can be replaced.
In this case, as shown in FIG. 13 (b), the rotor (inner cylinder) of the cylinder lock 17 is directed to the unlocked position by the key operation of the cylinder lock 17 on the master lock side fixed to the cylinder lock mounting base 51. When the lock shaft 17S is rotated and the lock shaft 17S is driven, the retainer operating member 58 attached to the lock shaft 17S rotates toward the unlock position, and the pressed surface 546 of the slide plate 541 by the retainer operating member 58 is rotated. The slide plate 541 is elastically restored by the pressing biasing force of the coil spring 549, and the small hole 543 of the blind hole 544 is separated from the locking groove 531 of the locking cylinder lock 13 by the guide member 54G. When the locking state of the lever slide plate 541 and the locking groove 531 of the locking cylinder lock 13 is released , The lock cylinder mounting hole 511 of the large hole 542 of the potbelly hole 544 lock side is matched on the same core. As a result, the cylinder lock 13 on the lock side becomes free in the cylinder lock mounting hole 511 on the lock side, and can be inserted and removed. In this state, the cylinder lock 13 on the lock side is pulled out, the lock shaft 13S of the cylinder lock 13 is removed from the power transmission shaft 15 and removed from the cylinder lock mounting hole 511 on the lock side. Then, a new lock-side cylinder lock 13 is inserted into the lock-side cylinder lock attachment hole 511 from the tip lock shaft 13S, and the lock shaft 13S is inserted into and attached to the power transmission shaft 15, and is operatively connected to the lock member 16. Thereafter, when the rotor (inner cylinder) is rotated in the lock position direction by the key operation of the cylinder lock 17 on the master lock side of the cylinder lock mounting base 51, as shown in FIG. The lock portion 581 of the 58 engages and presses the pressed surface 56 of the slide plate 541, and the slide plate 541 compresses the coil spring 59 and guides the guide member 54G so that the small hole 543 of the saddle hole 544 is locked. When the rotor (inner cylinder) is rotated to the locking position, the slide plate 541 is engaged with the locking groove on the outer peripheral surface of the cylinder lock 13 on the locking side. 5, the pressed surface 546 of the slide plate 541 is pressed by the lock portion 581 of the retaining member 58. , Cylinder lock 13 of the locking side by gear operating member 58 this omission is fully seated.
The cylinder lock mounting base 51, the locking member mounting base 52, the ring 530, the retaining member 54, and the retaining operation member 58 can also achieve the same operational effects as those of the first embodiment.

  FIG. 14 shows a sixth embodiment. In this embodiment, since only the configuration of the retaining member and the retaining member is different from that of the fifth embodiment, only the retaining member and the retaining member will be described. The same members as those in the embodiment are denoted by the same reference numerals, and redundant description thereof is omitted.

As shown in FIG. 14, in the lock device 6, the retaining member 64 includes a single slide plate 641 and a guide member 64 </ b> G.
The slide plate 641 is formed of a substantially rectangular plate as a whole, and has a large hole 642 through which the locking cylinder lock 13 can be inserted and a small hole that can be locked into the locking groove 531 on the outer peripheral surface of the locking cylinder lock 13. 643 has a dart hole 644 formed continuously in the horizontal direction (horizontal direction), and is formed on the locking member mounting base 52 (or cylinder lock mounting base) so that it can be assembled around the cylinder lock mounting hole 511 on the locking side. The locking member mounting base 52 (or cylinder lock mounting base) and around the locking side cylinder lock mounting hole 511 from the locking side cylinder lock mounting hole 511 toward the master lock side cylinder lock mounting hole 512 or On the contrary, it is slidably arranged. In the slide plate 641, a small hole 643 having a round hole 644 for the slide plate 641 is formed in the cylinder lock mounting hole 511 on the locking side at an end of the slide plate 641 on the cylinder lock mounting hole 512 side on the master lock side. On the other hand, the pressed surface 646A for pressing in the direction matching the concentricity, and the direction in which the large hole 642 of the screw hole 644 in the slide plate 641 is concentric with the cylinder lock mounting hole 511 on the locking side. A locked pressing surface 646B is provided for pressing each. In this case, the pressed surface 646A is provided at an intermediate portion in the vertical direction at the other end of the slide plate 641 and between the cylinder lock mounting hole 511 on the locking side and the cylinder lock mounting hole 512 on the master lock side. It is formed at a right angle to the cylinder lock 17 on the master lock side and parallel to the axial direction. The lower end of the other end of the slide plate 641 is extended to the vicinity of the lower portion of the cylinder lock mounting hole 512 on the master lock side, and the locked pressing surface 646B is provided on the extended lower portion. The cylinder lock 17 is formed in parallel with the axial direction.
The guide member 64G is disposed between the locking member mounting base 52 (or the cylinder locking mounting base) and the slide plate 641, and the slide plate 641 has a hole 642 having a large dome hole 644 and a cylinder locking mounting hole 511 on the locking side. , The position where the locking cylinder lock 13 can be inserted into and removed from the locking cylinder lock mounting hole 511 and the small hole 643 of the harpoon hole 644 are formed in the locking cylinder lock mounting hole 511. On the other hand, it slide-guides between the edge of the small hole 643 that coincides on the same core and the position where it can be locked in the locking groove 531 on the outer peripheral surface of the cylinder lock 13 on the locking side. In this case, guide pins 647 protrude from the locking member mounting base 52 (or cylinder lock mounting base) side, here in positions corresponding to predetermined positions above and below the cylinder lock mounting hole 511 on the locking side. In this case, elongated guide holes 648 that are long in the sliding direction of the slide plate 641 are formed at predetermined positions above and below the darling hole 644, and by engagement between the guide pins 647 and the guide holes 648, With the slide plate 641, the large hole 642 of the daruma hole 644 coincides with the cylinder lock mounting hole 511 on the lock side so that the cylinder lock 13 on the lock side can be inserted into and removed from the cylinder lock mounting hole 511 on the lock side. And the small hole 643 of the daruma hole 644 is aligned with the cylinder lock mounting hole 511 on the locking side. Edge of the small hole 643 slides guided in lockable position the locking groove 531 of the outer peripheral surface of the locking side of the cylinder lock 13.
The retaining member 68 is attached to the lock shaft 17S of the cylinder lock 17 on the master lock side, extends substantially linearly around the lock shaft 17S, and sags against the pressed surface 646A of the slide plate 641 on the tip side. The small hole 643 of the hole 644 engages with the cylinder lock mounting hole 511 on the locking side in the same concentric direction or the large hole 644 with respect to the locked pressing surface 646B of the slide plate 641. The hole 642 has a lock portion 681 that can be pressed by engaging with the cylinder lock mounting hole 511 on the locking side in a direction that coincides on the same core. More specifically, the shape of the retaining member 68 is extended from the lock shaft 17S into a generally square shape, and the lock portion 681 has a leading edge at the other end of the slide plate 641. One side edge portion of the lock portion 681 is configured such that the lock portion 681 is brought into contact with the press surface 646A and can be pressed, and the lock portion 681 is fitted between the locked press surface 646B and the press surface 646A at the other end of the slide plate 641. Is formed in a substantially trapezoidal shape so as to be locked and pressed to the locked pressing surface 646B. Thus, the retaining member 68 slides the slide plate 641 by engaging the tip edge of the lock portion 681 with the pressed surface 646A of the slide plate 641 by the key operation of the cylinder lock 17 on the master lock side. A locking position for locking the small hole 643 of the slumber hole 644 in the locking groove 531 on the outer peripheral surface of the cylinder lock 13 on the locking side, and the locked pressing surface 646B on the other end of the slide plate 641 and the locked pressing surface 646B. It fits between the pressing surface 646A, engages one side edge of the lock portion 681 with the locked pressing surface 646B, and slides the slide plate 641 with a small hole 643 and a locking side. The locking state of the outer peripheral surface of the cylinder lock 13 with the locking groove 531 is released, and the large hole 642 of the harpoon hole 644 is made into the cylinder lock mounting hole 51 on the locking side. Pivotably comprised between an unlocked position to match on the same core with respect.
In this way, as shown in FIG. 14A, when the rotor (inner cylinder) is rotated in the lock position direction by the key operation of the cylinder lock 17 on the master lock side of the cylinder lock mounting base 51, The lock portion 681 of the retaining member 68 engages and presses the pressed surface 646A of the slide plate 641, and the slide plate 641 guides the guide member 64G to make the small hole 643 of the saddle hole 644 into the cylinder lock mounting base 51. When the rotor (inner cylinder) is slid toward the locking groove 531 on the outer peripheral surface of the cylinder lock 13 on the locking side and the rotor (inner cylinder) is rotated to the locked position, a small hole 643 of the sill hole 644 of the slide plate 641 is locked. The cylinder lock 13 is locked in the locking groove 531 on the outer peripheral surface, and the pressed surface 646A of the slide plate 641 is prevented from coming off. Is held down by the tip edges of the locking portion 681 of the rotary members 68, cylinder lock 13 of the locking side by gear operating member 68 this omission is fully seated.
While the lock device 6 is being used, there is a crime prevention reason or a user request due to damage to the locking cylinder lock 13 or loss of the key, or a change of the user, and the locking lock cylinder 13 can be replaced. If necessary, the cylinder lock 13 on the lock side can be removed and removed by operating the cylinder lock 17 on the master lock side, and the old and new cylinder locks 13 can be replaced.
In this case, as shown in FIG. 14 (b), the rotor (inner cylinder) of the cylinder lock 15 is directed to the unlocked position by the key operation of the cylinder lock 17 on the master lock side fixed to the cylinder lock mounting base 51. When the lock shaft 17S is rotated and the lock shaft 17S is driven, the retainer operating member 68 attached to the lock shaft 17S rotates toward the unlock position, and the slide plate 641 of the slide plate 641 is locked by the lock portion 681 of the retainer actuating member 68. While the pressing to the pressed surface 646A is released, the lock portion 681 is fitted between the locked pressing surface 646B of the slide plate 641 and the pressed surface 646A, and one side edge portion of the locking portion 681 Engages and presses the locked pressing surface 6446B, and the slide plate 641 is guided by the guide member 64G, so that the small hole 64 of the screw hole 644 is obtained. Is disengaged from the locking groove 531 of the locking cylinder lock 13 and the locking state of the sliding plate 641 and the locking groove 531 of the locking cylinder lock 13 is released. The cylinder lock 13 on the locking side is matched. As a result, the cylinder lock 13 on the lock side becomes free in the cylinder lock mounting hole 511 on the lock side, and can be inserted and removed. In this state, the cylinder lock 13 on the lock side is pulled out, the lock shaft 13S of the cylinder lock 13 is removed from the power transmission shaft 15 and removed from the cylinder lock mounting hole 511 on the lock side. Then, a new lock-side cylinder lock 13 is inserted into the lock-side cylinder lock attachment hole 511 from the tip lock shaft 13S, and the lock shaft 13S is inserted into and attached to the power transmission shaft 15, and is operatively connected to the lock member 16. Thereafter, when the rotor (inner cylinder) is rotated in the lock position direction by the key operation of the cylinder lock 17 on the master lock side of the cylinder lock mounting base 51, as shown in FIG. The locking portion 681 of the 68 engages and presses the pressed surface 646A of the slide plate 641, and the slide plate 641 forms a small hole 643 of the blind hole 644 by the guide of the guide member 64G, and the outer peripheral surface of the cylinder lock 13 on the locking side. When the rotor (inner cylinder) is rotated to the locked position, the small hole 643 of the spar hole 644 of the slide plate 641 is engaged with the outer peripheral surface of the cylinder lock 13 on the locking side. Locked in the groove 531, the pressed surface 646 A of the slide plate 61 is pressed by the leading edge of the lock portion 681, Cylinder lock 13 of the locking side by gear operating member 68 is fully seated.
Even in this way, the same effect as that of the first embodiment can be obtained with respect to the retaining member 64 and the retaining member 68.

In each of the above embodiments, the lock device with a master lock is exemplified as a cam lock using a cam as a locking member. be able to. In this case, as shown in FIG. 15, the locking member mounting bases 123, 52 are adjacent to the power transmission shaft holding parts 121, 531, and the locking member mounting parts 123 corresponding to various locking members 16 such as slam latches and dead bolts, 523 is formed, and the power transmission shafts 15 corresponding to the various locking members 16 are attached to the power transmission shaft holding portions 121 and 531 and are operatively connected to the various locking members 16.
In each of the above embodiments, a standard product is used for the cylinder lock on the locking side, and a ring with a locking groove is attached to the outer peripheral surface of the cylinder lock on the locking side in order to provide the locking groove on the outer peripheral surface. However, as shown in FIG. 5B, the cylinder lock 13 on the locking side having the locking grooves 131 and 531 on the outer peripheral surface of the rotor case (outer cylinder) is manufactured and used exclusively for the lock device. May be.
Further, in each of the above embodiments, the lock device with a master lock applied to a locker installed in a nursing home or various elderly welfare facilities is exemplified, but installed in a locker installed in various sports facilities, an office, etc. Of course, the present invention can be similarly applied to locking of lockers and cabinets.
In any case, as long as each part of the lock apparatus has a configuration substantially similar to the above, the same effects as described above can be achieved.

DESCRIPTION OF SYMBOLS 1 Lock device with a master lock 11 Cylinder lock attachment base 111 Cylinder lock attachment hole on the lock side 112 Cylinder lock attachment hole on the master lock side 113 Shaft holding part 114 Shaft holding part 115 Screw hole 116 Screw hole 117 Flange 118 Groove 12 Locking member attachment Base 121 Power transmission shaft holding portion 122 Shaft insertion hole 123 Locking member mounting portion 128 Groove 13 Locking side cylinder lock 13S Locking shaft 130 Ring 131 Locking groove 14 Retaining member 141 Pressing plate 142 Pin shaft 14C Cam mechanism 143 Cam shape 144 Extension part 144S Press-in part 145 Presser plate 146 Pin shaft 147 Cam shape 148 Spring member (coil spring)
DESCRIPTION OF SYMBOLS 15 Power transmission shaft 150 Groove 151 Shaft body 152 Flange 153 Locking shaft 16 Locking member 17 Master lock side cylinder lock 17S Locking shaft 170 Nut 18 Retaining operation member 181 Locking portion 182 Pressing portion 19 Screw 2 Lock device with master lock 24 Removal Stop member 24G Gear mechanism 241 Presser plate 243 Gear shape 244 Extension portion 244S Presser portion 245 Presser plate 247 Gear shape 3 Locking device with master lock 34 Retaining member 341 Presser plate 344 Extension portion 344S Locking device 4 with master lock Locking device 418 419 Groove 44 Retaining member 441 Presser plate 444 Extension portion 448 Spring member (coil spring)
48 Locking member 481 Locking part 5 Locking device with master lock P Front plate C Rear case 51 Cylinder lock mounting base 511 Locking cylinder lock mounting hole 512 Master lock cylinder locking hole 52 Locking member mounting base 521 Power Transmission shaft holding portion 522 Shaft insertion hole 523 Locking member mounting portion 530 Ring 531 Locking groove 54 Retaining member 541 Slide plate 542 Large hole 543 Small hole 544 Daruma hole 545 Spring member attaching portion 546 Pressed surface 54G Guide member 547 Guide pin 548 Guide hole 549 Spring member (coil spring)
58 Locking member 581 Locking part 6 Locking device with master lock 64 Locking member 641 Slide plate 642 Large hole 643 Small hole 644 Darling hole 646A Pressed surface 646B Locked pressing surface 64G Guide member 647 Guide pin 648 Guide hole 68 Retaining operation member 681 Lock part

Claims (8)

A cylinder lock mounting base fixed in the mounting position and having a cylinder lock mounting hole on the locking side and a cylinder lock mounting hole on the master lock side;
A substantially cylindrical power transmission shaft holding portion arranged in parallel with the mounting base and opposed to the cylinder lock mounting hole on the locking side, and formed corresponding to various locking members adjacent to the power transmission shaft holding portion. A locking member mounting base having a locking member mounting portion,
A cylinder lock on the locking side removably attached to the cylinder lock mounting hole on the locking side of the cylinder lock mounting base; and
The cylinder lock mounting base or the locking member mounting base is detachably arranged around the cylinder lock on the locking side, and a retaining member for restricting movement in the insertion / removal direction of the cylinder lock on the locking side;
A power transmission shaft that is rotatably arranged on the power transmission shaft holding portion of the locking member mounting base, is operatively connected to a locking shaft of a cylinder lock on the locking side, and protrudes to the locking member mounting portion;
A locking member disposed on the locking member mounting portion of the locking member mounting base, operatively connected to the power transmission shaft, and operated by a key operation of the locking cylinder lock;
A cylinder lock on the master lock side that is mounted and fixed as a master lock of the cylinder lock on the locking side in the cylinder lock mounting hole on the master lock side of the cylinder lock mounting base;
The cylinder lock on the master lock side is rotatably attached integrally with the lock shaft and is operatively connected to the retaining member to lock or unlock the master lock side cylinder lock by key operation. A retaining member that engages and disengages the retaining member around the locking cylinder lock;
With
The cylinder lock on the locking side attached to the mounting position is fixed by the locking operation of the cylinder lock on the master locking side, and can be removed by the unlocking operation.
A lock device with a master lock. A locking groove is provided in the circumferential direction on the outer peripheral surface of the cylinder lock on the locking side,
The retaining member is pivotally supported by a shaft at a predetermined position on one side of the cylinder lock mounting base around the lock side cylinder lock mounting hole and opposite to the master lock side cylinder lock mounting hole. The drive-side presser plate that extends toward the cylinder lock on the master lock side and can be locked from one half surface side of the outer peripheral surface to the locking groove on the outer peripheral surface of the cylinder lock on the locking side, Near the one end of the holding plate on the drive side, it is pivotally supported by a shaft at a predetermined position on the opposite side of the cylinder lock mounting hole on the master lock side around the cylinder lock mounting hole on the locking side of the cylinder lock mounting base. The driven side press play that extends toward the cylinder lock on the master lock side and can be locked from the other half surface side of the outer peripheral surface into the locking groove on the outer peripheral surface of the cylinder lock on the locking side. Are formed between one end of each of the drive side and driven side presser plates, and the drive side presser plate is separated from the locked state of the locking groove of the locking side cylinder lock, and the locked state is released. Engage with the rotation of the presser plate on the drive side in the direction of rotation, the driven plate on the driven side is separated from the locked state on the locking groove of the cylinder lock on the locking side, and the locked state is released And a cam mechanism that is rotatable in the direction in which it is rotated, and the cylinder-lock mounting base or the locking-member mounting base is disposed on the locking-side cylinder plate on the locking side. A spring member that presses and urges each of the drive side and driven side presser plates toward the locking groove so as to be locked in the locking groove;
The retaining member is attached to a lock shaft of a cylinder lock on the master lock side, extends in a substantially L shape around the lock shaft, and is driven at one end with respect to the other end of the press plate on the drive side. A locking portion that can be pressed by engaging in the direction in which the holding plate on the side is locked in the locking groove on the outer peripheral surface of the cylinder lock on the locking side, with respect to the other end of the pressing plate on the driving side And a pressing part that engages and presses the drive-side presser plate in a direction to be released from a state in which the presser-side presser plate is locked in the locking groove on the outer peripheral surface of the locking-side cylinder lock. A lock position in which the lock portion is engaged with the other end of the drive-side presser plate by the key operation of the lock, and the drive-side presser plate is locked in the lock groove on the outer peripheral surface of the lock-side cylinder lock. And the pressing portion on the driving side The plate is engaged with the other end, and is configured to be rotatable between an unlocking position for releasing the engagement between the driving-side pressing plate and the locking groove on the outer peripheral surface of the locking-side cylinder lock. The lock device with a master lock according to claim 1. A locking groove is provided in the circumferential direction on the outer peripheral surface of the cylinder lock on the locking side,
The retaining member is pivotally supported by a shaft at a predetermined position on the opposite side of the cylinder lock mounting hole on the master lock side around the cylinder lock mounting hole on the locking side of the cylinder lock mounting base, A pressing plate on the driving side that extends toward the cylinder lock on the master lock side and can be locked from one half surface side of the outer peripheral surface to the locking groove on the outer peripheral surface of the locking cylinder lock. Near the one end of the holding plate on the drive side, it is pivotally supported by a shaft at a predetermined position on the opposite side of the cylinder lock mounting hole on the master lock side around the cylinder lock mounting hole on the locking side of the cylinder lock mounting base. A driven-side presser plate that extends toward the cylinder lock on the master lock side and can be locked from the other half surface side of the outer peripheral surface into a locking groove on the outer peripheral surface of the cylinder lock on the locking side; Rotation of the drive side presser plate formed between one end of each of the drive side and driven side presser plates in a direction in which the drive side presser plate is locked in the locking groove of the locking side cylinder lock. The driven-side presser plate is rotated in a direction to be locked in the locking groove of the locking-side cylinder lock, and the driving-side presser plate is locked to the locking-side cylinder lock. The driven presser plate engages with the rotation of the drive-side presser plate in the direction in which the locked state is released, and the driven-side presser plate engages with the locking-side cylinder lock. A gear mechanism that turns away from the state locked in the groove and rotates in the direction in which the locked state is released,
The retaining member is attached to a lock shaft of a cylinder lock on the master lock side, extends in a substantially L shape around the lock shaft, and is driven at one end with respect to the other end of the press plate on the drive side. A locking portion that can be pressed by engaging in the direction in which the holding plate on the side is locked in the locking groove on the outer peripheral surface of the cylinder lock on the locking side, with respect to the other end of the pressing plate on the driving side And a pressing part that engages and presses the drive-side presser plate in a direction to be released from a state in which the presser-side presser plate is locked in the locking groove on the outer peripheral surface of the locking-side cylinder lock. A lock position in which the lock portion is engaged with the other end of the drive-side presser plate by the key operation of the lock, and the drive-side presser plate is locked in the lock groove on the outer peripheral surface of the lock-side cylinder lock. And the pressing portion on the driving side Engaged with the other end of the plate, and is configured to be rotatable between an unlocking position for releasing the locking state of the locking plate on the locking side of the locking side cylinder lock on the driving side. The lock device with a master lock according to claim 1.   The retaining member is disposed on the cylinder lock mounting base or the locking member mounting base, and presses the drive side and driven side presser plates toward the locking grooves on the outer peripheral surface of the cylinder lock on the locking side. The lock apparatus with a master lock according to claim 3, further comprising a spring member for biasing. A locking groove is provided in the circumferential direction on the outer peripheral surface of the cylinder lock on the locking side,
The retaining member is pivotally supported by a shaft at a predetermined position on one side of the cylinder lock mounting base around the lock side cylinder lock mounting hole and opposite to the master lock side cylinder lock mounting hole. A presser plate that extends toward the cylinder lock on the master lock side and that can be locked in a lock groove on the outer peripheral surface of the cylinder lock on the lock side,
The retaining member is attached to a lock shaft of a cylinder lock on the master lock side, extends in a substantially L shape around the lock shaft, and is driven at one end with respect to the other end of the press plate on the drive side. A locking portion that can be pressed by engaging in the direction in which the holding plate on the side is locked in the locking groove on the outer peripheral surface of the cylinder lock on the locking side, with respect to the other end of the pressing plate on the driving side And a pressing part that engages and presses the drive-side presser plate in a direction to be released from a state in which the presser-side presser plate is locked in the locking groove on the outer peripheral surface of the locking-side cylinder lock. A lock position in which the lock portion is engaged with the other end of the drive-side presser plate by the key operation of the lock, and the drive-side presser plate is locked in the lock groove on the outer peripheral surface of the lock-side cylinder lock. And the pressing portion on the driving side Engaged with the other end of the plate, and is configured to be rotatable between an unlocking position for releasing the locking state of the locking plate on the locking side of the locking side cylinder lock on the driving side. The lock device with a master lock according to claim 1. A locking groove is provided in the circumferential direction on the outer peripheral surface of the cylinder lock on the locking side,
The retaining member is pivotally supported by a shaft at a predetermined position on one side of the cylinder lock mounting base around the lock side cylinder lock mounting hole and opposite to the master lock side cylinder lock mounting hole. A presser plate that extends toward the cylinder lock on the master lock side and can be locked in a locking groove on the outer peripheral surface of the cylinder lock on the lock side, and is disposed on the cylinder lock mounting base or the locking member mounting base, A spring member that presses and urges the presser plate in a direction in which the presser plate is separated from the locked state of the locking groove on the outer peripheral surface of the locking cylinder lock and the locked state is released,
The retainer actuating member is attached to a lock shaft of a cylinder lock on the master lock side, extends substantially linearly around the lock shaft, and has the press plate at the tip thereof with respect to the other end of the press plate. A lock portion that can be engaged and pressed in a direction to be locked in a locking groove on the outer peripheral surface of the cylinder lock on the locking side, and is operated by key operation of the cylinder lock on the master lock side. A locking position for engaging with the other end, and locking the presser plate in the locking groove on the outer peripheral surface of the locking cylinder lock; and separating the lock portion from the other end of the presser plate; The lock device with a master lock according to claim 1, wherein the lock device is configured to be rotatable between an unlocking position for releasing a locking state with a locking groove on an outer peripheral surface of the locking cylinder lock. A locking groove is provided in the circumferential direction on the outer peripheral surface of the cylinder lock on the locking side,
The retaining member has a saddle hole formed by continuously forming a large hole through which the locking cylinder lock can be inserted and a small hole that can be locked in the locking groove on the outer peripheral surface of the locking cylinder lock. The cylinder lock mounting base or the locking member mounting base and formed around the cylinder lock mounting hole on the locking side so as to be incorporated, and the cylinder locking mounting base or the locking member mounting base and the locking side cylinder. A slide plate disposed so as to be slidable around the lock mounting hole from the cylinder lock mounting hole on the locking side toward the cylinder locking mounting hole on the master lock side or vice versa; and the cylinder lock mounting base or the locking member The slide plate is disposed between the mounting base and the slide plate, and the slide plate has a large hole of the sword hole on the locking side. A position where the locking-side cylinder lock can be inserted into and removed from the locking-side cylinder lock mounting hole in a concentric manner with respect to the lender-lock mounting hole, and a small hole of the dart hole is the cylinder lock on the locking side. A guide member that slides and guides between a position where the edge of the small hole can be locked in the locking groove on the outer peripheral surface of the cylinder lock on the locking side in a concentric manner with respect to the mounting hole; The master lock is disposed on the cylinder lock mounting base or the locking member mounting base, and the master lock is configured so that a large hole of the dart hole can be concentrically aligned with the cylinder lock mounting hole on the locking side with the slide plate as a normal state. A spring member that presses and urges toward the cylinder lock on the side,
The retainer actuating member is attached to the lock shaft of the cylinder lock on the master lock side, extends substantially linearly around the lock shaft, and has a small hole with a dull hole with respect to the slide plate at the tip. A lock portion that can be pressed by engaging in a direction that is concentrically aligned with the cylinder lock mounting hole on the lock side, and the lock portion is moved to the slide plate by key operation of the cylinder lock on the master lock side. The locking position for sliding the slide plate and locking the small hole of the dart hole into the locking groove on the outer peripheral surface of the cylinder lock on the locking side, and separating the locking portion from the slide plate. The slide plate is slid by the pressing force of the spring member, and the latched state between the small hole of the dart hole and the latch groove on the outer peripheral surface of the cylinder lock on the locking side The lock device with a master lock according to claim 1, wherein the lock device is configured to be unlocked and pivotable between an unlock position in which the large hole of the bobbin hole is concentrically aligned with the cylinder lock on the locking side. . A locking groove is provided in the circumferential direction on the outer peripheral surface of the cylinder lock on the locking side,
The retaining member has a saddle hole formed by continuously forming a large hole through which the locking cylinder lock can be inserted and a small hole that can be locked in the locking groove on the outer peripheral surface of the locking cylinder lock. The cylinder lock mounting base or the locking member mounting base and formed around the cylinder lock mounting hole on the locking side so as to be incorporated, and the cylinder locking mounting base or the locking member mounting base and the locking side cylinder. A slide plate disposed so as to be slidable from the cylinder lock mounting hole on the locking side toward the cylinder lock mounting hole on the master lock side or vice versa around the lock mounting hole; and on the master lock side of the slide plate Formed at the end of the cylinder lock mounting hole side, the slide plate is attached to the cylinder lock on the locking side. A pressed surface for pressing in a direction that coincides with the cylinder on the same axis, and a direction in which the large hole of the dart hole is coincident with the cylinder lock mounting hole on the locking side. A locked pressing surface for pressing and the cylinder lock mounting base or the locking member mounting base and the slide plate are arranged, and the slide plate has a large hole of the dart hole on the locking side. A position where the locking-side cylinder lock can be inserted into and removed from the locking-side cylinder lock mounting hole so as to be concentric with the cylinder-locking mounting hole, and a small hole of the dart hole is provided on the locking-side cylinder lock. A guide member that slides and guides between a position where the edge of the small hole is concentric with the mounting hole and can be locked in the locking groove on the outer peripheral surface of the cylinder lock on the locking side. Prepared,
The retainer actuating member is attached to the lock shaft of the cylinder lock on the master lock side, extends substantially linearly around the lock shaft, and has a head hole with respect to the pressed surface of the slide plate at the tip. A small hole engages in a direction that is concentrically coincident with the cylinder lock mounting hole on the locking side, or a hole having a large dart hole with respect to the locked pressing surface of the slide plate is on the locking side It has a lock part that can be engaged and pressed in a direction that is concentric with the cylinder lock mounting hole, and the lock part is pressed against the slide plate by key operation of the cylinder lock on the master lock side. A locking position where the slide plate is slid and the small hole of the dart hole is engaged with the engagement groove on the outer peripheral surface of the cylinder lock on the locking side; The slide plate is slid by engaging with the locked pressing surface of the seat and the locking state of the locking hole on the outer peripheral surface of the locking cylinder lock is released. The lock device with a master lock according to claim 1, wherein the lock device is configured to be rotatable between an unlock position where a large hole of a dart hole coincides concentrically with the cylinder lock on the locking side.

Images