JP4863964B2 - Key management device - Google Patents

Description

  The present invention relates to a key management device for managing keys of rental vehicles, hotels, and the like, for example.

  Conventionally, as this type of key management device, for example, there are devices as disclosed in Patent Literature 1 and Patent Literature 2, and according to such a device, a key is provided on the front surface of the device body formed in a casing shape. Are each provided with an accommodating space for accommodating the suspended key holder, and the accommodating space can be opened and closed by a door body rotatably attached to the lower part.

  In addition, a plurality of holder storage portions are provided in the left-right direction at the upper portion of the storage space, and each key holder can be inserted into the corresponding holder storage portion. At this time, the keys suspended from the respective key holders are arranged so as to be positioned in the accommodating space below the holder accommodating portion.

  On one side of the door body on the front side of the device body, a card insertion portion of a card reader as an authentication unit, operation keys, etc. are provided. Depending on the card information read by the card reader or input information by the operation keys, etc., the door It was controlled so that the lock of the body and the lock of the key holder inserted in each holder storage part were appropriately released.

JP-A-5-156845 JP 7-18929 A

  However, according to the structure disclosed in each of the above patent documents, since the key holder and the key are covered by the door that closes the housing space, the key lending situation and the return situation when the door is closed However, when confirming the presence or absence of each key, it is necessary to once unlock the door body and open the door body for confirmation, which is troublesome and cumbersome.

  In view of these problems, an object of the present invention is to provide a key management device that can confirm the presence or absence of each key even when the door is closed.

  The technical means for solving the above-mentioned problems is that a plurality of key holders each having a suspended key are respectively released from a plurality of holder storage portions to be inserted, and the key holders inserted into the respective holder storage portions. The holder lock part that can be freely locked in the unlocked state, and the accommodation space part that accommodates the key suspended from the key holder inserted in each holder accommodation part can be opened and closed, and each key cannot be removed. A door body that is releasably locked by a door lock portion in a closed posture that closes the housing space portion, and an authentication portion that unlocks each of the holder lock portions and the door lock portion. The door body is provided with an opening that allows the inserted key holder to be visually recognized from the outside in the closed posture.

Further, by the authentication by the authentication unit, the door lock unit is unlocked to the door body, and the holder lock unit of the holder storage unit corresponding to the information authenticated by the authentication unit is unlocked, It is good also as a structure where a door body is locked by a door lock part in the closed posture by closing operation of the door body.

  Furthermore, each said key holder is good also as a structure locked by each said holder locking part by the insertion with respect to each said holder accommodating part, respectively.

  As described above, according to the key management device of the present invention, since the door body is provided with the opening that allows the inserted key holder to be visually recognized from the outside in the closed posture of the door body, Even in the closed state, the presence / absence of each key holder can be confirmed, and through the confirmation of the presence / absence of each key holder, the presence / absence of each key suspended from each key holder can be confirmed. At this time, each key suspended from each key holder is closed in a manner that it cannot be taken out by a locked door body in which the accommodation space is accommodated.

Further, the lock by the door lock unit to the door body is released by the authentication by the authentication unit, and the holder lock unit of the holder storage unit corresponding to the information authenticated by the authentication unit is unlocked, and the door body is closed. If the door is locked by the door lock part in the closed position, the lock of the holder storage part corresponding to the door body is released by the authentication part when the target key is taken out. The target key can be taken out together with the key holder, and then the door body is automatically locked by the door lock when the door body is returned to the closed position. From this point, there is an advantage that it is easy to use.

  Further, if each key holder is structured to be locked by each holder lock portion by being inserted into each holder storage portion, an operation for locking is not required separately, and there is an advantage that it is excellent in usability from this point.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. As shown in FIGS. 1 to 5, a key management device 1 includes a device main body 2 formed in a casing shape, and a front surface of the device main body 2. A door body 3 that is rotatably attached to the lower end portion is provided at the height direction intermediate portion and the lower portion on the side.

  That is, as shown in FIG. 1 and FIG. 3, a rotation support portion 4 for rotatably supporting the door body 3 on the apparatus main body 2 is provided on both sides of the lower end portion on the back surface side of each door body 3. It has been. And it is set as the structure which always elastically urges the door body 3 to an opening direction by the door opening biasing spring 5 which consists of a coil spring etc. which were each assembled | attached to each rotation support part 4. FIG.

  Further, as shown in FIG. 3, a locking portion 6 having a locking hole 6 a is provided on one side portion of each door body 3, and the corresponding device main body 2 side has a door body 3. In the closed position, a solenoid device 7 for locking the door body 3 provided with a locking claw 7a that is detachably locked in the locking hole 6a of the locking portion 6 is provided.

  When the solenoid device 7 is excited, the locking claw 7a is pulled in the disengagement direction, and the locked state of the locking portion 6 with the locking hole 6a is released. By releasing the locked state, the door body 3 is rotated to the open position as indicated by the phantom line in FIG. 4 by the urging force of each door opening urging spring 5 in the rotation support portions 4 on both sides. It is comprised so that. Further, the solenoid device 7 is demagnetized after a certain time has elapsed after the pulling operation of the locking claw 7a by excitation, and the locking claw 7a is returned to the initial position by the biasing force of the coil spring 7b provided in the solenoid device 7.

  Next, when the door body 3 is closed from the opened posture of the door body 3, the door body 3 may be gradually rotated in the closing direction. In the closing operation of the door 3, the end surface 7 c of the locking claw 7 a with which the locking portion 6 is slidably contacted is formed in an inclined surface shape that gradually becomes thinner toward the distal end direction.

  Therefore, if the door body 3 is further closed in a state in which the locking portion 6 is in contact with the end surface 7c of the locking claw 7a, the coil spring 7b is moved by relative sliding between the end surface 7c and the locking portion 6. The locking claw 7a is gradually retracted in the retracted direction against the urging force, and the locking claw 7a and the locking hole 6a in the locking portion 6 are closed when the door body 3 is in the closed position. The positions are matched and the latching claw 7a is returned to the initial position by the biasing force accumulated in the coil spring 7b, so that a locked state in which the latching claw 7a and the latching portion 6 are latched is obtained. Has been. Here, the locking portion 6 and the solenoid device 7 constitute a door lock portion 8 that locks the door body 3 in a closed position so as to be released.

  As shown in FIG. 1, a key holder 12 in which a key 10 as shown in FIG. 5 is suspended by a wire 11 or the like is inserted on the apparatus body 2 side corresponding to the upper edge portion of each door 3. A plurality of holder storage portions 14 are arranged in the horizontal direction.

  Each of the key holders 12 includes a main body portion 12a formed in a flat block shape, a wire insertion portion 12b in which the wire 11 is inserted, and a flat display portion 12c on the front side. Yes. And the main-body part 12a of each key holder 12 is comprised so that a predetermined position can be inserted only into the predetermined corresponding holder accommodating part 14 by the identification means suitably provided by the difference in shape and structure, and it is located in the front side. Information related to the suspended key 10 is displayed on the display unit 12c.

  As shown in FIGS. 6 and 7, each holder storage portion 14 includes an insertion hole 14 a having a structure corresponding to the identification means of the key holder 12 so that the corresponding key holder 12 can be inserted to a predetermined position. ing. In the middle of each insertion hole 14a, a holder holding portion 15 that holds the inserted key holder 12 in a positioning state, a holder detector 16 that detects insertion / non-insertion of the key holder 12, and an insertion are inserted. A holder lock portion 17 that locks the key holder 12 in a releasable state so as to be releasable is provided.

  As shown in FIG. 6, the holder holding portion 15 includes a spherical holding ball 15a that protrudes from the lower surface side of the insertion hole 14a, and a coil spring that elastically biases the holding ball 15a in the protruding direction. And a biasing spring 15b composed of a biasing spring 15b. The biasing force of the biasing spring 15b biases the holding ball 15a so that a part of the holding ball 15a protrudes into the insertion hole 14a. When the main body portion 12a of the key holder 12 is inserted, the holding ball 15a is pushed and retracted downward from the insertion hole 14a against the urging force of the urging spring 15b by the main body portion 12a. Is inserted to a predetermined position, the positioning positions of the positioning recess 12d formed on the lower surface of the main body 12a and the holding ball 15a match, and the holding ball 15a returns to the protruding state by the biasing force of the biasing spring 15b. The holding ball 15a is inserted into the positioning recess 12d and is held.

  As shown in FIG. 6, the holder detector 16 includes a detection lever 16a projecting into the insertion hole 14a at the back of the insertion hole 14a, and the key holder 12 is inserted into the insertion hole 14a. When the main body portion 12a is inserted, as shown in FIG. 7, the detection lever 16a is swung in the retreat direction from the insertion hole 14a by the main body portion 12a. It is configured to detect that it has been inserted.

  The holder lock portion 17 includes a solenoid device 17a for locking the key holder 12, a swing lever 17b supported so as to be swingable around the support shaft 19 by excitation and demagnetization of the solenoid device 17a, and a swing lever 17b. A lock that is slidably connected to an interlocking support pin portion 17c provided at one end, and that can be moved into and out of the insertion hole 14a by the swing operation of the swing lever 17b. Claw 17d.

  Further, a guide cylinder portion 18 for raising and lowering the lock claw 17d is disposed on the upper surface portion of the holder housing portion 14, and the interlocking support pin of the swing lever 17b is passed through a guide groove 18a formed on the side surface of the guide cylinder portion 18. The portion 17c is connected to the engagement hole of the lock claw 17d so as to be relatively slidable.

  When the solenoid device 17a is excited, the other end portion of the swing lever 17b is pulled down against the biasing force of the coil spring 17e, and the one end portion provided with the interlocking support pin portion 17c is raised. Thus, the lock claw 17d is moved upward and retracts from the insertion hole 14a. When the solenoid device 17a is demagnetized, the other end of the swing lever 17b is pushed up by the biasing force stored in the coil spring 17e, and the one end provided with the interlocking support pin 17c is lowered. Thus, the lock claw 17d is moved downward and is configured to protrude into the insertion hole 14a.

  The end surface 17f of the lock claw 17d protruding into the insertion hole 14a is formed in an inclined surface shape that gradually inclines downward from the front side in the insertion direction in which the key holder 12 is inserted. Therefore, when the key holder 12 is inserted into the holder storage portion 14, the insertion end of the main body portion 12a abuts on the end surface 17f, and if the insertion is further performed in the abutting state, the relative sliding between the main body portion 12a and the end surface 17f occurs. Thus, the lock claw 17d is pushed upward against the urging force of the coil spring 17e and gradually retracted from the insertion hole 14a. Then, in a state where the main body 12a is inserted and arrives at a predetermined position, the arrangement positions of the lock recess 12e formed on the upper surface of the main body 12a and the lock claw 17d match, and the lock claw 17d stores energy in the coil spring 17e. It returns to the protruding state by the applied urging force. By this return of the protruding state, the lock claw 17d is fitted into the lock recess 12e, and is locked in the retaining state.

  In addition, a storage space portion 20 in which the keys 10 suspended from the key holders 12 inserted in the holder storage portions 14 are stored is provided below the holder storage portions 14 arranged in parallel in the horizontal direction. The front side of the accommodating space 20 is configured to be freely opened and closed by opening and closing the door body 3.

  Further, as shown in FIG. 1, the key holders 12 inserted into the holder storage portions 14 in the closed posture of the door body 3 are placed on the upper edge of each door body 3 from the outside, that is, from the front side. In order to make it visible, an elongated notch-shaped opening 3 a is provided in the lateral direction, and each key 10 suspended from each key holder 12 in a locked state in which the accommodation space 20 is closed by each door 3. Is covered with the door body 3 so that it cannot be taken out.

On one side of the upper portion of the front side of the apparatus body 2, mosquitoes code reader unit 22 is arranged, which is possible to read the information on the card by a touch operation. The card read by the card reader unit 22 includes a magnetic card, an IC card, and the like, and a plurality of types such as a user card and an administrator card are appropriately prepared.

  Then, as shown in FIG. 8, the control unit 23 that manages the key management device 1 based on the information read by the card reader unit 22 locks the corresponding door lock unit 8 and the corresponding holder lock unit 17. Control to release.

  For example, when the card reader unit 22 reads the information of the user card when the key 10 is lent, the holder lock unit 17 in the holder storage unit 14 corresponding to the information is unlocked and the holder storage unit The door lock portion 8 of the door body 3 corresponding to 14 is unlocked. Thereby, the door body 3 is opened by the urging force of the door opening urging spring 5 to be in the open posture, and the key holder 12 from which the target key 10 is suspended can be detached from the holder housing portion 14.

  Then, if the key holder 12 is taken out from the holder storage portion 14, the detection of the key holder 12 by the holder detector 16 is not detected, and the solenoid device 17a is demagnetized here, and the lock claw 17d is returned to the initial position. Further, when the door body 3 is closed to close the housing space portion 20, the locked state between the locking portion 6 and the locking claw 7 a is obtained, and the door body 3 is moved by the door lock portion 8. With a detector that is locked and provided as appropriate, the closing of the door 3 is detected by the control unit 23, and these pieces of information are managed.

  Further, when the card reader unit 22 reads the information of the user card when the key 10 is returned, the door lock unit 8 of the door 3 corresponding to the holder storage unit 14 corresponding to the information is unlocked. . As a result, the door body 3 is opened by the urging force of the door opening urging spring 5 to be in the open posture, and the key 10 can be returned to the intended holder storage portion 14.

  Then, if the key holder 12 is inserted into the holder storage portion 14, a locked state in which the lock claw 17d of the holder lock portion 17 and the lock recess 12e of the main body portion 12a are automatically engaged at a predetermined position is obtained. The key holder 12 is detected by the holder detector 16. Thereafter, when the door 3 is closed to close the housing space 20, the locking state between the locking portion 6 and the locking claw 7 a is obtained, and the door 3 is locked by the door lock portion 8. With a detector that is locked and provided as appropriate, the closing of the door 3 is detected by the control unit 23, and these pieces of information are managed.

  On the other hand, when the information of the manager card is read by the card reader unit 22, the lock of the holder lock unit 17 in all the holder storage units 14 is released and the door lock unit 8 of all the door bodies 3 is unlocked. Release the lock. As a result, each door body 3 is opened by an urging force of the door opening urging spring 5 to be in an open posture, and all the key holders 12 on which the keys 10 are suspended can be detached from the holder housing portion 14. Then, after checking each key 10 and each key holder 12, if the door 3 is closed to close the accommodating space 20, the locked state between the locking portion 6 and the locking claw 7a is obtained. Thus, the door body 3 is locked by the door lock portion 8, and the controller 23 detects the closing of the door body 3 by an appropriately provided detector, and these information are managed.

  Further, as shown in FIG. 2, an upper door 25 is pivotally supported on one side on the front upper portion of the apparatus main body 2 and can be unlocked by a key operation from a key hole 26 provided on the upper surface. It is configured so that maintenance of the control unit 23 can be performed with the door 25 opened.

  Further, as indicated by phantom lines in FIGS. 2 and 4, the apparatus main body 2 is configured to be attachable to a desired position via an attachment bracket 27 that can be attached to a wall surface or the like. In addition, it may replace with the attachment bracket 27 attached to a wall surface etc., and the structure etc. which are attached to an inclined mounting base in mounting form may be sufficient.

  The present embodiment is configured as described above. Even in the closed posture of the door body 3 in the key management device 1, the opening 3a that allows the key holders 12 inserted into the holder storage portion 14 to be visually recognized from the outside, Since the door body 3 is provided, the presence or absence of each key holder 12 can be easily confirmed at a glance through the opening 3a even in the locked state where the door body 3 is closed. Through the confirmation, the presence / absence of each key 10 suspended from each key holder 12 can be confirmed, and the lending status and return status can be easily grasped, which is advantageous in terms of usability.

  At this time, each key 10 suspended from each key holder 12 is closed in such a manner that it cannot be taken out by the locked door body 3 because the accommodation space 20 accommodated therein is locked.

  Further, when the target key is taken out, the lock of the holder housing portion 14 corresponding to the door body 3 is unlocked by the authentication by reading the card information by the card reader portion 22, so that the target key 10 is It can be taken out together with the key holder 12, and then the door body 3 is automatically locked by the door lock portion 8 if the door body 3 is returned to the closed position. From the point of view, there is an advantage that it is easy to use.

  Further, each key holder 12 is structured to be locked by the holder lock portion 17 by being inserted into each holder storage portion 14, and there is no need for a separate operation for locking, which is advantageous in terms of usability.

  Even when the lock state of the holder lock portion 17 with respect to the key holder 12 inserted into the holder storage portion 14 is released, the key holder 12 is held in the holder by the engagement between the holding ball 15a of the holder holding portion 15 and the positioning recess 12d. It is satisfactorily held in the storage portion 14.

  In the above-described embodiment, the structure using the card reader unit 22 as the authentication unit is shown. However, as indicated by the phantom line in FIG. And may be configured to authenticate by inputting a password or the like, or may be configured to authenticate by a combination of the card reader unit 22 and the operation key unit 29.

  Further, the control method of the key management device 1 by the authentication unit is not limited to the control disclosed above, and a control method according to need may be adopted as appropriate.

  Furthermore, although the structure where the door body 3 is rotatably supported at the lower end portion is shown, a structure in which the door body 3 is rotatably supported at one side portion of the apparatus main body 2 may be used. It is not limited to.

It is a front view of the key management apparatus concerning embodiment of this invention. It is a top view of FIG. FIG. 3 is an enlarged view taken along the line III-III in FIG. 1. It is a side view of FIG. It is a perspective view of the key holder with which the key was suspended. It is sectional explanatory drawing of a holder accommodating part part. It is sectional explanatory drawing of a holder accommodating part part. It is a control block diagram.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Key management apparatus 2 Apparatus main body 3 Door body 3a Opening part 8 Door lock part 10 Key 12 Key holder 14 Holder accommodating part 17 Holder lock part 20 Accommodating space part 22 Card reader part

Claims (3)

A plurality of key holders in which the keys are respectively suspended, and a plurality of holder storage portions into which the keys are respectively inserted;
A holder lock portion that locks the key holders inserted in the holder storage portions in a releasable state in a releasable manner;
The storage space for storing the key suspended by the key holder inserted in each holder storage can be opened and closed, and can be released in a closed position to close the storage space so that each key cannot be taken out. A door body locked by the door lock part,
An authentication unit for unlocking each holder lock unit and the door lock unit,
A key management device, wherein the door body is provided with an opening through which the inserted key holder can be visually recognized from the outside in the closed posture of the door body. The key management device according to claim 1,
The authentication by the authentication unit, the lock is released with respect to the door body by the door lock unit, the holder locking portion of the holder storage section corresponding to the information authenticated by the authentication unit is unlocked, the door A key management device, wherein a door body is locked by a door lock portion in the closed posture by a body closing operation. In the key management device according to claim 1 or 2,
Each key holder is locked by each holder lock part by insertion with respect to each holder storage part, respectively, The key management apparatus characterized by the above-mentioned.

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