JP2011241599A - Locking/unlocking device of opening/closing body in article storage utensil - Google Patents

Abstract

PROBLEM TO BE SOLVED: To link an electrical locking/unlocking device and a mechanical locking/unlocking device by inexpensive and simply-configured linking means and to forcibly unlock the electric locking/unlocking device by the operation of the mechanical locking/unlocking device in emergency that the electric locking/unlocking device becomes inoperable.SOLUTION: The electrical locking/unlocking device 26 is provided with a locking/unlocking lever 30 to be moved back and forth between a locking position and an unlocking position; the mechanical locking/unlocking device 25 is provided with a dead bolt 27 to be moved in the same direction on substantially the same plane as the locking/unlocking lever 30 during locking/unlocking operation. The locking/unlocking lever 30 and the dead bolt 27 are directly linked by linking means 36 and 27a so as to move the locking/unlocking lever 30 positioned at the locking position to the unlocking position when the dead bolt 27 is moved in an unlocking direction by an unlocking operation.

Description

  The present invention relates to a locking / unlocking device that locks / unlocks an opening / closing body such as a door or a drawer in an article storage fixture such as a cabinet, and particularly includes an electric locking / unlocking device and a mechanical locking / unlocking device. The present invention relates to a locking / unlocking device for an opening / closing body in an article storage fixture that can be unlocked using a mechanical locking device when the device becomes inoperable.

  As an unlocking / unlocking device that locks / unlocks an opening / closing body such as a cabinet, etc., an electric locking / unlocking device that electrically operates a drive system according to an authentication result by an authentication means and can automatically lock / unlock the opening / closing body. There is something used. As a problem when using such an electric locking / unlocking device, if the drive system becomes inoperable due to battery exhaustion, power failure, electrical failure, or the like, the opening / closing body cannot be opened.

  In order to solve this problem, an electric locking / unlocking device is normally used, and in the event of an inoperability, the mechanical locking / unlocking device is manually operated to force the drive system of the electric locking / unlocking device. There is one that is operated to the unlocking side so that the opening and closing body can be opened (see, for example, Patent Documents 1 and 2).

Japanese Patent No. 2653928 JP 2008-8081 A

  In the locking / unlocking devices described in Patent Documents 1 and 2, since the electrical locking / unlocking device and the mechanical locking / unlocking device are linked by a plurality of links and linkage members, the number of parts and assembly man-hours, In addition, the number of manufacturing steps for each member is large, and the structure of the linkage portion is complicated. For this reason, the cost of the locking / unlocking device is increased, and the entire locking / unlocking device is increased in size. Therefore, there is a problem that a large mounting space must be secured in the opening / closing body.

  The present invention has been made paying attention to such problems, and an electric locking / unlocking device and a mechanical locking / unlocking device are linked by an inexpensive and simple connecting means, and the electric locking / unlocking device is An object of the present invention is to provide a locking / unlocking device for an opening / closing body in an article storage fixture that can be forcibly unlocked by an operation of a mechanical locking / unlocking device in an emergency.

In order to solve the above-described problem, an opening / closing body locking / unlocking device in the article storage fixture of the present invention is:
The opening / closing body that opens and closes the front opening of the fixture main body is linked to a locking mechanism that detachably anchors the opening / closing body to the fixture main body, and the operation of the locking mechanism is restricted or allowed by locking / unlocking operation. An opening / closing body in an article storage fixture comprising: an electrical locking / unlocking apparatus capable of locking / unlocking the opening / closing body; and a mechanical locking / unlocking apparatus configured to unlock the electrical locking / unlocking apparatus in an emergency. In the locking and unlocking device,
The electric locking / unlocking device is operated by reciprocating between a locking position for restricting the operation of the locking mechanism based on an input locking / unlocking signal and an unlocking position for allowing the operation of the locking mechanism. In addition to providing a locking lever, the mechanical locking / unlocking device is provided with a dead bolt that reciprocates in the same direction in the same plane as the locking / unlocking lever during the locking / unlocking operation, and the dead bolt is unlocked by the unlocking operation. The locking / unlocking lever and the dead bolt are directly linked by linkage means so that the locking / unlocking lever positioned at the locking position can be moved to the unlocking position when moved in the direction. .
According to this feature, in an emergency when the electric locking / unlocking device becomes inoperable, the electric locking / unlocking device can be forcibly unlocked by the unlocking operation of the mechanical locking / unlocking device. In addition, when the locking and unlocking lever of the electric locking and unlocking device and the dead bolt of the mechanical locking and unlocking device can be reciprocated in the same direction in substantially the same plane, and the dead bolt is moved in the unlocking direction, Since the locking / unlocking lever and the dead bolt are directly linked by the linking means so that the locking / unlocking lever located at the locking position can be moved to the unlocking position, the structure of the linking means becomes simple, and the locking / unlocking is performed. The number of parts and assembly man-hours of the device can be reduced, reducing costs and reducing the size of the entire locking / unlocking device, so there is no need to secure a large mounting space for the opening / closing body, and the thickness of the opening / closing body can be reduced. Can be small.

The opening and closing body locking / unlocking device in the article storage fixture of the present invention is:
The linkage means is provided on the locking / unlocking lever, and is linked to the linkage groove having a longitudinal interval equal to or greater than the moving range in the locking direction of the dead bolt, and to the dead bolt so as to face the direction perpendicular to the moving direction. And a linkage piece loosely fitted in the linkage groove, the linkage piece moves in the unlocking direction together with the dead bolt, and one side edge of the linkage piece is released from the linkage groove. The locking / unlocking lever can be moved to the unlocking position by abutting against the inner edge in the locking direction.
According to this feature, the locking / unlocking lever of the electric locking / unlocking device and the mechanical unlocking / unlocking mechanism can be obtained by simply loosely fitting the connecting piece connected to the dead bolt in the longitudinally connecting groove provided on the locking / unlocking lever. Since the deadbolt of the lock device can be easily linked, the assemblability is extremely good. In addition, when the mechanical locking / unlocking device is unlocked, one side edge of the linkage piece comes into contact with the inner edge of the linkage groove in the unlocking direction, and the locking / unlocking lever of the electric locking / unlocking device is forcibly unlocked. In the event of an emergency, the opening and closing body can be reliably unlocked, and the distance in the longitudinal direction of the linkage groove is greater than the moving range in the locking direction of the dead bolt. The reciprocating movement of the locking / unlocking lever of the device is not hindered.

The opening and closing body locking / unlocking device in the article storage fixture of the present invention is:
A latching mechanism is provided on the opening / closing body so that it can be operated from the front side, a latch shaft that rotates in conjunction with the operation of the handle, and both ends of the latch shaft. A latch device having a hole and a detachable latch, and when the locking / unlocking lever is moved to the locking position on the latch shaft, the latching shaft is unlocked by engaging with the locking / unlocking lever. It is characterized by providing a restraining means for restraining rotation in the direction.
According to this feature, the structure of the locking mechanism is simple, and the locking / unlocking lever is directly engaged with the restraining means provided on the latch shaft to restrain the latch shaft from rotating in the unlocking direction. Thus, the opening / closing body can be reliably locked by the electric locking / unlocking device.

The opening and closing body locking / unlocking device in the article storage fixture of the present invention is:
The restraining means is a latch restraining lever provided in the middle part of the latch shaft in the longitudinal direction, and when the locking / unlocking lever is moved to the locking position, the rear surface of the front end thereof is in proximity to or in contact with the front surface of the latch restraining lever, Rotation of the latch shaft in the unlocking direction is constrained, and when the locking / unlocking lever moves to the unlocking position, the tip of the locking shaft is separated from the latch restraining lever to allow the rotation of the latch shaft. It is characterized by that.
According to this feature, the opening / closing body can be reliably locked / unlocked by restricting or allowing the rotation of the latch shaft by the simple restraining means.

It is a front view of a cabinet provided with the locking / unlocking device of the present invention. It is an expanded rear view of the principal part of the door of a cabinet. FIG. 3 is an enlarged cross-sectional plan view taken along line III-III in FIG. 2. FIG. 4 is an enlarged transverse plan view taken along line IV-IV in FIG. 1. It is the perspective view which looked at the locking / unlocking apparatus from back. Similarly, it is a rear view of the locking and unlocking device. Similarly, it is a rear view of the locking / unlocking device when the electric locking / unlocking device is unlocked. Similarly, it is a rear view of the locking / unlocking device when it is forcibly unlocked by the mechanical locking / unlocking device. Similarly, it is a rear view of the locking / unlocking device when switched to the mechanical locking / unlocking device. FIG. 10 is an enlarged longitudinal sectional side view taken along line XX in FIG. 9. Similarly, it is an enlarged vertical side view along line XI-XI. It is a perspective view which shows the point which equips a locking / unlocking lever with a coupling tool using the insertion / extraction hole of a back cover.

  EMBODIMENT OF THE INVENTION The form for implementing the locking / unlocking device of the opening / closing body in the article | item storage fixture based on this invention is demonstrated below based on an Example.

  FIG. 1 is a front view of an article storage fixture equipped with a locking / unlocking device of the present invention, that is, a cabinet, and a double-opening door that is an opening / closing body 2 at both ends of the opening of a cabinet body 1 whose front surface is released. 2 and 2 are pivotably attached to the front by a hinge (not shown). A handle 3 is provided on the front surface in the vertical direction of the left end of the right door 2 so as to slightly protrude from the opening 4 formed on the front surface of the door 2, and the door directly below the handle 3. 2 is provided with a locking / unlocking device 5 of the present invention.

  FIG. 2 is an enlarged rear view of the left side portion of the right door 2. The handle 3 and the above-described handle 3 are linked to the rear surface of the outer end portion of the door 2 reinforced by the reinforcing member 6 facing vertically. A latch device 9 is provided that includes a pivot shaft 7 that is rotated in the vertical direction and latches 8 and 8 that are fixed to upper and lower ends of the latch shaft 7.

  As shown in the enlarged partial cross-sectional view of FIG. 3, the handle 3 is fixed in a mounting portion (not shown) provided on the back surface of the door 2 and is placed in a thin box-shaped handle housing case 11 having an opening 10 on the front surface. It is housed as operable in the front. The handle housing case 11 is housed in a unit case 12 having an open rear surface in which the locking / unlocking device 4 is housed. On the front surface of the unit case 12, an opening 13 from which the front end portion of the handle 3 protrudes is formed so as to communicate with the opening 4 of the door 2 and the opening 10 of the handle housing case 11.

  The rear surface of the handle housing case 11 and the rear surface opening of the unit case 12 are covered with a back cover 14 attached to the back surface of the door 2. In addition, the handle accommodating case 11 in which the locking / unlocking device 5 and the handle 3 described above are accommodated is assembled in the unit case 12 to facilitate the assembling to the door 2.

  The handle 3 has a substantially square rectangular tube shape whose front surface is opened and whose vertical and horizontal dimensions of the back part are larger than the vertical and horizontal dimensions of the opening part 15. The operation recess 16 can be applied.

  At the free end of the latch release lever 17 extending outward of the door 2 projecting from the outer peripheral surface of the handle 3, a vertically projecting ridge 17a is projected forward, and this ridge 17a Is in contact with the rear surface of a latch lever 19 in the shape of a rearward-facing rear surface that is fixed by a screw 18 at an intermediate portion of the latch shaft 7 that is provided at the outer end of the door 2 and that opposes the protrusion 17a. Yes. The latch lever 19 is constantly urged counterclockwise in a plan view (state shown in FIG. 3) by urging means (not shown) such as a torsion coil spring fitted to the latch shaft 7.

  The front ends of the latches 8 and 8 described above are fixed to the upper and lower ends of the latch shaft 7 in a rearward direction, and the rear ends of the latches 8 having a hook shape are as shown in FIGS. In FIG. 4, only the upper part is illustrated), and the horizontally long openings 20 and 20 provided on the rear surfaces of the upper and lower folded pieces 2a and 2a of the door 2 are inserted to protrude rearward.

  As shown by the solid line in FIG. 4, when the door 2 is closed, the upper latch 8 is in the engagement hole 22 provided in the front surface of the top plate 21 of the cabinet body 1, and the lower latch 8 is the bottom plate shown in FIG. 23 respectively enter engagement holes (not shown) provided on the front face of 23 and engage with their left edge portions.

  When the handle 3 is operated forward, the latch shaft 7 and the upper and lower latches 8 are rotated clockwise as seen in a plan view as shown by a two-dot chain line in FIG. The door 2 can be opened by being released.

  As shown in FIG. 2, magnet catches 24, 24 are attached to the outer side of the upper and lower folded pieces 2a in the door 2 so that the door 2 does not open unreasonably even if the latch 8 is released. It is.

  As shown in FIGS. 2, 5, and 6, the locking / unlocking device 5 described above includes a mechanical locking / unlocking device 25 such as a cylinder lock and an electric locking / unlocking device 26, which are unit cases 12. (Not shown in FIGS. 5 and 6). The key insertion part 25a of the mechanical locking / unlocking device 25 slightly protrudes from the front surface of the door 2 as shown in FIG. When a key is inserted into the key insertion portion 25a and rotated to the unlocking side, the dead bolt 27 facing the left and right direction of the rear end portion of the mechanical locking / unlocking device 25 and the moving direction of the dead bolt 27 orthogonal to the outer end thereof When the downward link piece 27a continuously arranged so as to move integrally to the inside of the door 2 (left side in FIG. 2) and rotate to the locking side, the dead bolt 27 and the downward link piece 27a Move outward.

  The electric locking / unlocking device 26 includes a solenoid unit 28, a locking / unlocking lever 30 having an inner end connected to a tip of an operating rod 29 facing outward of the solenoid unit 28, and a control board for operating the solenoid unit 28. 31. The locking / unlocking lever 30 and the dead bolt 27 are disposed in substantially the same plane.

  The actuating rod 29 and the locking / unlocking lever 30 move in the left-right direction in the same direction as the dead bolt 27 and are always urged outward by a compression coil spring 32 loosely fitted to the actuating rod 29. Yes.

  The locking / unlocking lever 30 includes a vertical substrate 30a facing in the left-right direction, rearward pieces 30b, 30c bent at a right angle in the middle of the upper and lower edges in the left-right direction, and an inner side of the substrate 30a. It consists of a connecting piece 33 having a front-facing L-shape fixed to the rear surface of the end portion, and the distal end of the operating rod 29 is pivotally attached to the rear surface of the connecting piece 33.

  On the lower edge of the rear surface of the connecting piece 33, an L-shaped detecting piece 34 inwardly viewed from the rear and bent at a right angle rearward and downward is connected. Whether the lower end portion of the detection piece 34 is opposed to a detection portion (not shown) provided on the rear surface of the upper end portion of the control board 31, and whether the locking / unlocking lever 30 is detected in the left-right direction to lock and unlock it. A signal of no is issued.

  The control board 31 is electrically connected to a battery box unit 35 attached below the unit case 12 on the back surface of the door 2 and is supplied with power.

  When the authentication card is brought close to a card reader of a main controller (not shown) installed at a position away from the cabinet, an unlock signal is input to the control board 31 by radio or wire, and based on this unlock signal, the solenoid unit 28 is activated.

  As shown in FIG. 5, a link groove 36 facing in the left-right direction is formed at the center of the rear half of the upper rear piece 30b by cutting away the rear half. A notch recess 37 that opens outward is formed in the front half of the end.

  As shown in FIG. 6, the lower end portion of the downward linkage piece 27a integrated with the dead bolt 27 in the mechanical locking / unlocking device 25 is located in the linkage groove 36, and the electric locking / unlocking device 26 is locked. When in the state, the inner edge of the downward linkage piece 27a is close to (may be brought into contact with) the inner edge 36a in the unlocking direction (inward) of the linkage groove 36.

  In addition, the distance between the linkage grooves 36 in the left-right direction is such that the outer edge of the downward linkage piece 27a is the same even when the electric locking / unlocking device 26 is unlocked and the locking / unlocking lever 30 moves to the inner unlocking position. The dimension is such that it does not abut against the inner edge 36b of the linkage groove 36 in the locking direction (outward).

  That is, the distance in the left-right direction of the linkage groove 36 is set to a length that exceeds the range of movement of the dead bolt 27 in the locking direction, and the locking / unlocking lever 30 is locked without interfering with the downward linkage piece 27a in the locking position. Only when the deadlock 27 is moved in the unlocking direction which is inward by operating the unlocking operation of the mechanical locking / unlocking device 25 so as to be movable between the position and the unlocking position. Is linked to the locking / unlocking lever 30 so that it can be moved to the unlocking position.

  As shown by a two-dot chain line in FIG. 5, an L-shaped guide piece 38 that is slidably in contact with or close to the rear surface of the outer end portion of the substrate 30 a is provided on the rear surface of the unit case 12. By the guide piece 38 and the rear surface of the unit case 12, the outer end of the substrate 30a in the locking / unlocking lever 30 is guided so as to be slidable in the left-right direction.

  A latch restraining lever 39 is fixed to a portion of the latch shaft 7 facing the base plate 30a of the locking / unlocking lever 30 so as not to be rotatable by a set screw 40, and an inner end portion of the latch restraining lever 39 is locked during locking. The locking / unlocking lever 30 faces the rear surface of the outer end of the substrate 30a in close proximity.

  Next, the operation of the locking / unlocking device 5 will be described. As described above, when the unlocking signal is input to the electric locking / unlocking device 26 to open the door 2, the solenoid unit 28 is operated and the operating rod 29 is pulled. Then, the locking / unlocking lever 30 connected to the actuating rod 29 moves inward from the locking position in FIG. 6 to the unlocking position in FIG. 7, so that the outer end of the substrate 30a of the locking / unlocking lever 30 becomes The latch restraining lever 39 and the latch shaft 7 can be rotated in the clockwise direction in a plan view, apart from the tip of the latch restraining lever 39 provided on the latch shaft 7.

  When the handle 3 is operated forward in this state, the latch lever 19, the latch shaft 7, and the upper and lower latches 8 are rotated clockwise by a plan view by a latch release lever 17 provided thereon. Thereby, the engagement between the upper and lower latches 8 and the engagement holes 22 on the front surface of the cabinet body 1 and the upper surface plate 21 of the cabinet body 1 is released, and the door 2 can be unlocked and opened.

  When the door 2 is closed, a pair of upper and lower door closing detection sensors 41 and 41 (see FIG. 2) such as a limit switch and a touch sensor, which are provided on the outer folded piece 2a, are activated, and the signal is sent to the control board 31. When input, the solenoid unit 28 operates in a direction in which the operating rod 29 protrudes. Thereby, the locking / unlocking lever 30 moves to the locking position shown in FIG. 6, and the door 2 is automatically locked by the action opposite to the above.

  If the door 2 cannot be opened due to battery exhaustion, electrical failure, etc. in a state where it is locked by the electric locking / unlocking device 26, the mechanical locking / unlocking device 25 forcibly Can be unlocked.

  That is, when the electric locking / unlocking device 26 cannot be unlocked in the locked state of FIG. 6, a key (not shown) is inserted into the key insertion portion 25 a of the mechanical locking / unlocking device 25 from the front surface of the door 2. Rotate in the unlocking direction.

  Then, as shown in FIG. 8, the dead bolt 27 and the downward linkage piece 27a move inward from the position of the two-dot chain line to the unlocked position indicated by the solid line, and inside the lower end of the downward linkage piece 27a. The edge abuts against the inner edge 36a in the unlocking direction of the linkage groove 36 of the locking / unlocking lever 30 in the electric locking / unlocking device 26, whereby the locking / unlocking lever 30 is forcibly moved to the inner unlocking position. . As a result, the outer end portion of the base piece 30a of the locking / unlocking lever 30 is separated from the latch restraining lever 39, unlocked by the same action as described above, and the door 2 can be opened.

  As described above, the electric locking / unlocking device 26 is used in a normal state, and the electric locking / unlocking device 26 is forcibly unlocked by manual operation of the mechanical locking / unlocking device 25 in an emergency when the electric locking / unlocking device 26 becomes inoperable. However, the door 2 can be locked / unlocked by the mechanical locking / unlocking device 25 by switching from the electrical locking / unlocking device 26 to the mechanical locking / unlocking device 25 by taking the following means.

  That is, as described above, when the mechanical locking / unlocking device 25 is unlocked, the mechanical locking / unlocking device 25 can move to the unlocking position in conjunction with the locking / unlocking lever 30 of the electric locking / unlocking device 26. However, even if the mechanical locking / unlocking device 25 is locked, the door 2 cannot be unlocked by moving the locking / unlocking lever 30 to the locking position.

  Therefore, as shown in FIGS. 5 and 9, a linkage member 42 as an optional member is attached to the rearward piece 30b of the locking / unlocking lever 30 in the electric locking / unlocking device 26, and the linkage groove provided in the rearward piece 30b. The space | interval of the left-right direction of 36 is narrowed.

  As shown in the cross-sectional views of FIGS. 10 and 11, the coupling device 42 has a substantially rectangular plane shape in which the thickness of the vertical dimension is slightly larger than the plate thickness of the rear piece 30 b of the locking / unlocking lever 30. The inside of the inner portion excluding the inner end is opened forward to be able to be fitted to the outer rear piece 30b of the linkage groove 36 (FIG. 5 is illustrated in the reverse direction). Therefore, a fitting hole 43 (opened to the rear) is formed.

  Further, the upper and lower surfaces near the outer side of the coupling tool 42 are provided with a pair of left and right cutouts 44, 44 extending from the front edge to the vicinity of the rear end portion, thereby forming a pair of upper and lower elastic locks. It is made into pieces 45 and 45. Furthermore, a closing piece 46 is formed at the outer end of the elastic locking piece 44 to cover the outer edge of the rear piece 30b (see FIG. 12).

  Locking claws 47, 47 that can be engaged with the front edge of the notch recess 37 of the rear piece 30 b are provided on the opposing surfaces of the tip portions (front end portions) of the upper and lower elastic locking pieces 45, 45. .

  When the fitting hole 43 of the linking tool 42 is fitted into the rearwardly facing piece 30 b outward of the linking groove 36, the locking claws 47, 47 of the upper and lower elastic locking pieces 45, 45 are connected to the front edge of the notch recess 37. By being engaged, it is prevented from being pulled out rearward and mounted. Further, since the closing piece 46 contacts the outer edge of the backward piece 30b, the movement of the linkage tool 42 in the left-right direction is also prevented.

  In addition, as shown in FIG. 12, the coupling tool 42 can be inserted into and removed from a portion of the back cover 14 mounted on the back surface of the door 2 that faces the outwardly facing rear piece 30b of the linkage groove 36. An insertion / removal hole 48 facing in the left-right direction is formed, and by using this insertion / removal hole 48, the linkage tool 42 can be attached to or removed from the rear piece 30 b from the rear of the door 2. is there. The length of the insertion / removal hole 48 in the left-right direction is formed such that the inserted coupling tool 42 can move left and right in the insertion / removal hole 48 in accordance with the locking / unlocking operation of the mechanical locking device 25. ing.

  Moreover, you may make it form the extension part 42a in the connection tool 42 so that the connection tool 42 may be easily attached to the backward piece 30b through the insertion / removal hole 48 or removed. Then, a hole 42b for connecting a strap, a key, or the like may be formed in the extended portion 42a.

  As described above, when the linkage member 42 is mounted on the rearward piece 30b of the locking / unlocking lever 30 in the electric locking / unlocking device 26, as shown in FIG. The end portion enters, the space in the left-right direction of the linkage groove 36 is narrowed, and the outer edge of the downward linkage piece 27a in the mechanical locking / unlocking device 25 approaches the inner side surface of the linkage tool 42.

  As a result, when the mechanical locking / unlocking device 25 that has been unlocked is locked with the key and the dead bolt 27 and the downward linkage piece 27a are moved outward, the outer edge of the downward linkage piece 27a is connected to the linkage tool. The locking / unlocking lever 30 of the electric locking / unlocking device 26 can be moved to the locking position on the outer side in contact with the inner edge of 42. Therefore, simply by attaching the linking device 42 to the rearward piece 30b of the locking / unlocking lever 30, the electric locking / unlocking device 26 is switched to the mechanical locking / unlocking device 25, and the door 2 is unlocked / unlocked by this mechanical locking / unlocking device 25. It becomes possible to lock.

  Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments, and modifications and additions within the scope of the present invention are included in the present invention. It is.

  For example, in the said Example, although the example which provided the locking / unlocking apparatus 5 in the door 2 of the cabinet was demonstrated, it can also be provided in drawer | drawing-out of another goods storage fixture.

1 Cabinet body 5 Locking / unlocking device 9 Latch device (locking mechanism)
25 Mechanical type locking / unlocking device 25a Key insertion portion 26 Electric locking / unlocking device 27 Dead bolt 28 Solenoid unit 29 Actuating rod 30 Locking / unlocking lever 36 Link groove 37 Notch recess 39 Latch restraining lever 42 Linking tool 48 Insertion / removal hole

Claims (4)

The opening / closing body that opens and closes the front opening of the fixture main body is linked to a locking mechanism that detachably anchors the opening / closing body to the fixture main body, and the operation of the locking mechanism is restricted or allowed by locking / unlocking operation. An opening / closing body in an article storage fixture comprising: an electrical locking / unlocking apparatus capable of locking / unlocking the opening / closing body; and a mechanical locking / unlocking apparatus configured to unlock the electrical locking / unlocking apparatus in an emergency. In the locking and unlocking device,
The electric locking / unlocking device is operated by reciprocating between a locking position for restricting the operation of the locking mechanism based on an input locking / unlocking signal and an unlocking position for allowing the operation of the locking mechanism. In addition to providing a locking lever, the mechanical locking / unlocking device is provided with a dead bolt that reciprocates in the same direction in the same plane as the locking / unlocking lever during the locking / unlocking operation, and the dead bolt is unlocked by the unlocking operation. The locking / unlocking lever and the dead bolt are directly linked by linkage means so that the locking / unlocking lever located at the locking position can be moved to the unlocking position when moved in the direction. A device for locking and unlocking an opening and closing body in an article storage fixture.   The linkage means is provided on the locking / unlocking lever, and is linked to the linkage groove having a longitudinal interval equal to or greater than the moving range in the locking direction of the dead bolt, and to the dead bolt so as to face the direction perpendicular to the moving direction. And a linkage piece loosely fitted in the linkage groove, the linkage piece moves in the unlocking direction together with the dead bolt, and one side edge of the linkage piece is released from the linkage groove. 2. The locking / unlocking device for an opening / closing body in an article storage fixture according to claim 1, wherein the locking / unlocking lever can be moved to an unlocking position by contacting the inner edge in the locking direction.   A latching mechanism is provided on the opening / closing body so that it can be operated from the front side, a latch shaft that rotates in conjunction with the operation of the handle, and both ends of the latch shaft. A latch device having a hole and a detachable latch, and when the locking / unlocking lever is moved to the locking position on the latch shaft, the latching shaft is unlocked by engaging with the locking / unlocking lever. The locking / unlocking device for an opening / closing body according to claim 1 or 2, further comprising a restraining means for restraining rotation in a direction.   The restraining means is a latch restraining lever provided in the middle part of the latch shaft in the longitudinal direction, and when the locking / unlocking lever is moved to the locking position, the rear surface of the front end thereof is in proximity to or in contact with the front surface of the latch restraining lever, Rotation of the latch shaft in the unlocking direction is constrained, and when the locking / unlocking lever moves to the unlocking position, the tip of the locking shaft is separated from the latch restraining lever to allow the rotation of the latch shaft. The opening / closing body locking / unlocking device according to claim 3.

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