JP4708131B2 - Safety box - Google Patents

Description

  The present invention is applied to a box for storing and protecting valuables in a hospital room, and is reciprocated along a guide rail of the box-like main body box having an opening on the upper surface for putting in and out the stored items. The present invention relates to a safety box provided with a slide cover that opens and closes the opening by moving.

  One of the safety boxes applied to the valuables protection storage box that is fixed inside the drawer of the hospital room and stores valuables and locks them with the key to protect valuables from theft. There is a technique provided in Patent Document 1 (Japanese Patent Laid-Open No. 2000-257318).

  In the technique of Patent Document 1, a lock connected to a box-shaped main body box in which a storage chamber for storing stored items such as valuables is formed and an opening for taking in and out stored items is opened in the storage chamber. The mechanism unit has a built-in key judgment unit for the master key and card key, and an open / close lid for the key setting card insertion window. The key judgment unit moves downward by pressing the master key and card key. The movable part of the master key is provided with a lid lock member having a lid lock claw that can be engaged with the lid, while the master key side and the card key side are interlocked with both movable parts. In a normal state, a cover lock member having a cover lock claw that can be engaged with the open / close cover while urging both movable parts upward is provided.

JP 2000-257318 A

  The safety box applied to the valuables protection storage box, which is fixed inside the drawer of the hospital room as described above, protects valuables from theft by storing valuables and key-locking, After storing valuables, the key is locked open, but it is required to be able to operate it relatively easily and make sure that the key lock is not released.

  However, in the technique provided in Patent Document 1 (Japanese Patent Laid-Open No. 2000-257318), a lid lock claw formed on one end side of a lid lock member driven by the movable portion of the master key is provided. The cover is locked in the closed state by engaging with the flange formed at the end of the lid, but the lid lock claw is engaged at one location of the flange formed at the end of the lid. Since the cover is only locked, there is a problem that when the vibration or impact load is applied to the engagement portion between the lid lock claw and the flange portion, the engagement portion is released and the cover is opened. There is still a possibility to do this, and it is not a perfect structure that makes it difficult to remove the key lock.

  SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems of the prior art, and it is an object of the present invention to provide a safety box that can be operated relatively easily and that has a key lock securely held against vibrations and impact loads, thereby improving safety. .

The present invention achieves such an object, and includes a box-shaped main body box in which a storage chamber for storing stored items such as valuables is formed and an opening for taking in and out stored items is opened. A cover that is attached to the main body box and reciprocates along the guide portion of the main body box to open and close the opening; and a cover attached to the front side of the main body box that closes the opening A safety box having a key lock mechanism that locks the cover in a state where the key lock mechanism is reciprocated in conjunction with the insertion and removal of the key, and is symmetrical to the case member and the latch having a return mechanism. And a pair of slide plates that are movably attached in pairs and move in the left-right direction according to the reciprocating movement of the latch. The de plate allowed to lock in the closed position the cover engage simultaneously in two places locking plate portion formed on the cover by return force of the return of the latch when the cover is closed the opening mechanism And a locking claw that releases the engagement with the locking plate portion of the cover and allows the cover to move in the opening direction when the key is operated in the unlocking direction against the return force of the return mechanism. Each is provided.

In this invention, specifically, a slide pin protrudes from the latch, and the pair of slide plates are attached to the case member so as to be movable in opposite directions with respect to the center of the box (the center in the width direction of the safety box). And a slide groove into which the slide pin is slidably fitted, and a spring for assisting a return force of the return mechanism of the latch is installed between the pair of slide plates. and cooperate is biased to engage the respective locking claws of the pair of slide plate with the locking plate, the locking plate portion and each of the locking claws of the pair of slide plates When the latch is operated in the unlocking direction by the key in the closed position of the engaged cover, the slide pin is operated. As but for moving in the opening direction for opening the engagement with the respective locking claws and the locking plate of said pair of slide plate by moving along the slide grooves formed in the pair of slide plates It is preferable to configure.

Further, in addition to the above-described configuration, preferably, the slide grooves of the pair of slide plates are arranged in the closed position of the cover where the respective locking claws of the slide plates and the locking plate portions are engaged. The slide pin of the latch is fitted to one end side of the slide groove, and the pair of slide plates are opened by the slide pin moving in the slide groove in accordance with the movement of the latch in the opening direction by the key. It is curved and formed from the one end side toward the outside in the left-right direction so as to move in the direction.

According to the present invention, there is provided a pair of slide plates which are attached to the case member so as to be movable in a pair symmetrically and move in the left-right direction according to the movement of the latch that reciprocally moves in conjunction with the fitting / removal of the key. The pair of slide plates are provided with locking claws that engage with and disengage from the locking plate portion of the cover, and when the cover closes the opening of the main body box, the locking claws of the slide plates return the latches. The cover is locked in the closed position by engaging the locking plate portion of the cover by the return force of the mechanism and the elastic force of the spring that assists the mechanism, and the key is locked in the return force of the return mechanism of the latch and the spring. when operated in the unlocking direction against the elastic force by opening the engagement with the engaging plate portion of the locking pawl and the cover of the slide plate to allow moving the cover in the opening direction, Et al in, the slide pin protruding from the said latch in each of the slide plate provided with a slide groove which fits slidably, a locking plate of the cover and engaging claws of the pair of slide plates engage When the latch is operated in the unlocking direction by the key in the closed position of the cover, the slide pin moves along the slide groove, so that the engaging claws of the pair of slide plates and the cover Since it was configured to move in the direction to release the engagement with the locking plate ,
In the closed position of the cover where the cover closes the opening of the main body box, the locking claws formed on each of the pair of slide plates by the return force of the return mechanism of the latch and the elasticity of the spring are simultaneously applied to the locking plate portion of the cover. Even if vibrations and impact loads are applied to the safety box, the engagement will not be disengaged and the key lock is securely held, making it safer than the prior art. Improve in each stage.

Further, the slide pin moves along the slide grooves formed in the pair of slide plates only by operating the key in the unlocking direction against the return force of the return mechanism of the latch and the elasticity of the spring. The pair of slide plates can be moved by releasing the engagement between the locking claws and the locking plate portion of the cover to unlock the cover, while the cover closes the opening of the main body box. since the respective locking claw and the locking plate of the cover automatically the pair of slide plate by a return force and elasticity of the spring of the return of the latch mechanism can be a locked state of the engaged with the cover, A safety box with extremely easy operation and high operability can be obtained.

  Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings. However, the dimensions, materials, shapes, relative arrangements, and the like of the component parts described in this example are not intended to limit the scope of the present invention only to specific examples unless otherwise specified. Only.

1 is a plan view of a safety box according to an embodiment of the present invention, FIG. 2 is a side view of the safety box in the embodiment, and FIG. 3 is a longitudinal sectional view of the safety box in the embodiment (A-A line in FIG. 1). FIG.
1-3, 1 is a main body box formed in a box shape with a square cross section, 3 is a key storage box attached to the front side of the main body box 1, and 31 is provided on a key seat 32 of the key storage box 3. The key insertion portion 33 is a cover for the key storage box 3.

In the box-shaped main body box 1, 1f is a bottom plate, 1i is a left and right side plate, 1d is a back plate coupled to the rear end portion of the both side plates 1i, and 1g is a front plate coupled to the front end portion of the both side plates 1i. It is. In the first half of the main body box 1, an opening 13 for opening and removing stored items such as valuables in a storage chamber 6 formed in the main body box 1 is opened.
Reference numeral 5 is a guide rail formed on both sides of the upper portion of the main body box 1 so as to extend in the front-rear direction. The guide rail 5 is bent inwardly in a U-shape by bending the upper end portions of the left and right side plates 1i. The slide cover 2, which will be described later, reciprocates along the guide rail 5 to open and close the opening 13.
Reference numeral 19 denotes a cover portion provided outside the main body box 1 and covering the rear half of the main body box 1. The cover portion 19 is fitted to the outer periphery of the left and right side plates 1i of the main body box 1 so as to be able to reciprocate in the front-rear direction, and the rear end portion contacts the back plate 1d. In contact therewith, the rear end portion of the cover portion 19 and the upper portion of the back plate 1d form a reinforcing portion having a box-shaped cross section.

Reference numeral 2 denotes a slide cover that reciprocates in the front-rear direction of the safety box to open and close the opening 13, and the slide cover 2 is formed by bending both sides outwardly in a U-shape and opening upward. The fitting portion fits in the groove portion of the guide rail 5 of the main body box 1 so as to be slidable in the front-rear direction, and on the horizontal guide surface of the guide portion formed on the left and right side plates 1 i of the main body box 1. It is designed to move back and forth.
Further, the slide cover 2 is fitted to the guide rail 5 of the main body box 1 so as to be slidable in the front-rear direction and slidable in the front-rear direction inside the cover part 19 as described above. The opening 13 of the main body box 1 can be opened and closed by the upper surface plate 2s.
Reference numeral 2a denotes a handle of the slide cover 2, which is joined to the upper surface of the front portion of the upper surface plate 2s by spot welding. The handle 2a is gripped to slide the slide cover 2, thereby opening and closing the opening 13 of the main body box 1. .

The present invention relates to a key lock device in a safety box configured as described above.
4A and 4B are cross-sectional views of the main part of the key storage mechanism according to the embodiment of the present invention (enlarged view of the Z part in FIG. 3). FIG. FIGS. 5A and 5B are views taken along the line B-B in FIG. 4 showing the key storage mechanism in the above embodiment. FIG. 5A shows a key lock state, and FIG. 5B shows a key lock release time. 6 is a view taken along the line CC of FIG. 4 showing the key storage mechanism in the above embodiment, where (A) shows the key lock and (B) shows the key lock release.
FIG. 7 is a partial front view showing the details of the fitting portion between the slide pin and the slide groove of the pair of upper and lower slide plates in the above embodiment, (A) when the key is locked and (B) when the key lock is released. FIG. 8 is a partial front view showing details of the fitting portion between the slide pin and the slide groove of the slide plate in the above embodiment, (A) shows when the key is locked, and (B) shows when the key lock is released. 9 is a partial front view showing details of the fitting portion between the slide pin and the slide groove of the slide plate in the above embodiment, (A) shows when the key is locked, and (B) shows when the key lock is released.
Further, FIG. 10 is a view taken in the direction of arrow Y in FIG. 4 showing the locking claw of the slide cover by the key in the above embodiment. A) shows when the key is locked, FIG. FIGS. 10A and 10B are cross-sectional views taken along the line WW in FIG. 10, in which FIG. 10A shows a key lock, and FIG.

4 to 6 show details of the key lock mechanism 200 provided inside the key storage box 3 when the cover 33 in FIGS. 1 to 3 is removed, and the key lock mechanism 200 corresponds to the main body box 1. The slide cover 2 is attached to the front side and locks the cover with the opening 13 closed, and a key (not shown) rotates in the key insertion portion 31 provided in the key seat 32. Inserted as possible. Reference numeral 40 denotes a case of the key storage box 3, and 34 denotes a bracket that supports the key seat 32, and a base portion is fixed to the case 40.
Reference numeral 50 denotes a latch which is interlocked with the key and reciprocates by rotation of the key. A return mechanism (not shown) such as a return spring is built in the latch 50. As shown in FIG. 4, the latch 50 is provided with a slide pin 36 that fits into the slide grooves 37d and 38d, as will be described in detail later. Reference numeral 39 denotes a bracket fixed to the case 40, and 37 and 38 denote slide plates which are attached to the bracket 39 so as to be movable in a symmetrical manner.

As shown in FIG. 4, the slide plates 37 and 38 are provided so as to be movable in the opposite directions to the left and right with respect to the box center (the center in the width direction of the safety box) 1x. Reference numeral 41 denotes a spring attached to the pair of slide plates 37 and 38. The spring 41 has a function of assisting a return force of the return mechanism of the latch, and is laid between the pair of slide plates 37 and 38, and cooperates with the return mechanism of the latch to form the pair of slide plates 37. , 38 are urged so as to be pulled back in the key lock releasing direction.
The pair of slide plates 37 and 38 are formed with slide grooves 37d and 38d that are curved outward in the left-right direction so as to move the slide plates 37 and 38 in the key lock releasing direction. That is, the slide plate 37 is provided with a slide groove 37d inclined in one direction (right direction in this example) as shown in FIG. 7, and the slide plate 38 is formed in the opposite direction (this) as shown in FIG. In the example, a slide groove 38d inclined in the left direction) is formed, and the slide pin 36 is slidably fitted in the slide grooves 37d and 38d as shown in FIGS.

  42 is a bolt for fixing the bracket 39 to the case 40, and the slide plate 37 and the slide plate 38 are movably supported between the bracket 39 and the case 40 as shown in FIG. The slide plate 37 and the slide plate 38 are formed with a horizontally long guide groove 37c (see FIG. 6) at the fitting portion with the bolt 42 (the slide plate 38 is also provided with a guide groove (not shown)). ), The slide plate 37 and the slide plate 38 are relatively movable.

  On the other hand, as shown in FIGS. 10 to 11, the slide plate 37 and the slide plate 38 are formed with locking claws 37z and 38z by bending the upper side to the box rear side. As shown in FIG. 11, the locking claws 37z and 38z are positioned in the holes 2z and 40z in the holes 2z of the locking plate portion 2y formed at the front end of the slide cover 2 and the holes 40z of the case 40, respectively. It is movably fitted.

In this embodiment, when the slide cover 2 moves to the left and closes the opening 13 of the main body box 1 as shown in FIG. 3, the return force of the return mechanism of the latch 50 and the elasticity of the spring 41 The pair of slide plates 37 and 38 are pulled toward the inside as shown in FIG. 5A, and the locking claws 37z and 38z formed on the slide plates 37 and 38 as shown in FIG. It moves and is locked to the locking plate 2y of the slide cover 2.
Thereby, the movement of the slide cover 2 is locked, and a key lock state is established.

Further, as shown in FIG. 5B, when the key is rotated as indicated by the arrow N, the latch 50 and the slide pin 36 fixed to the latch 50 are interlocked with the key, and It moves in the Y direction in FIG. That is, as shown in FIGS. 7B, 8B, and 9B, the slide pin 36 passes through the slide grooves 37d and 38d formed in the slide plate 37 and the slide plate 38, respectively. The slide plate 37 and the slide plate 38 are moved in the V direction, and the slide plate 37 and the slide plate 38 are moved in the V direction of the slide pins 36 in the slide grooves 37d and 38d, as shown in FIGS. It moves in the opposite T direction as shown in (B). By the movement of the slide plate 37 and the slide plate 38, the locking claws 37z and 38z of the slide plates 37 and 38 move inward as shown in FIG. Come off.
As a result, the key lock state is released, and the slide cover 2 can release the opening 13.

As described above, according to this embodiment, when the slide cover 2 closes the opening portion 13 of the main body box 1, the pair of the cover 50 and the spring 41 are elastically moved by the return force of the latch 50. The latching claws 37z and 38z formed on the slide plates 37 and 38 are simultaneously engaged with the latch plate portion 2y of the slide cover 2 at two locations , so that vibration and impact load act on the safety box. Even if such a situation occurs, the engagement is not disengaged, the key lock is securely held, and the safety is improved in each stage as compared with the prior art.

Further, the slide pin 36 is formed in the pair of slide plates 37, 38 only by operating the key in the unlocking direction against the return force of the return mechanism of the latch 50 and the elasticity of the spring 41. The pair of slide plates 37 and 38 are moved by moving along the positions 37d and 38d to release the engagement between the two engaging claws 37z and 38z and the engaging plate portion 2y of the slide cover 2. The slide cover 2 can be unlocked, and when the slide cover 2 closes the opening 13 of the main body box 1, the pair of slide plates are automatically set by the return force of the return mechanism of the latch 50 and the elasticity of the spring 41. The locking claws 37z and 38z of 37 and 38 and the locking plate portion 2y of the slide cover 2 are engaged to bring the slide cover 2 into a locked state. It is possible, operating safety deposit box equipped with is very simple high operability is obtained.

  According to the present invention, it is possible to provide a safety box that can be operated relatively easily, and that can securely hold a key lock against vibration and impact load, thereby improving safety.

It is a top view of the safety box concerning the example of the present invention. It is a side view of the safety box in the said Example. It is a longitudinal cross-sectional view (the AA sectional view taken on the line of FIG. 1) of the safety box in the said Example. FIG. 4 is a cross-sectional view of the main part of the key storage mechanism in the embodiment (enlarged view of Z part in FIG. 3), where (A) shows the key lock and (B) shows the key lock release. FIGS. 4A and 4B are views of the key storage mechanism in the embodiment shown in FIG. 4B, where FIG. 4A shows a key lock state and FIG. 4B shows a key lock release time. FIGS. 4A and 4B are views taken along the line CC of FIG. 4 showing the key storage mechanism in the embodiment, and FIG. It is a partial front view which shows the detail of the fitting part of the slide pin and slide groove | channel of a pair of upper and lower slide plates in the said Example, (A) shows at the time of key lock, (B) shows at the time of key lock cancellation | release. It is a partial front view which shows the detail of the fitting part of the slide pin in the said Example, and the slide groove | channel of the upper side slide plate, (A) shows at the time of key lock, (B) shows at the time of key lock cancellation | release. It is a partial front view which shows the detail of the fitting part of the slide pin in the said Example, and the slide groove | channel of the lower side slide plate, (A) shows at the time of key lock, (B) shows at the time of key lock cancellation | release. FIG. 4 is a view taken in the direction of the arrow Y in FIG. 4 in the above embodiment, where (A) shows when the key is locked and (B) shows when the key is released. FIGS. 10A and 10B are cross-sectional views taken along the line WW in FIG. 10, in which FIG. 10A shows a key lock and FIG. 10B shows a key lock release.

DESCRIPTION OF SYMBOLS 1 Main body box 2 Slide cover 2y Locking plate part 2s Top surface board 3 Key storage box 5 Guide rail 6 Storage chamber 13 Opening part 19 Cover part 31 Key insertion part 32 Key seat 33 Cover 36 Slide pin 37, 38 Slide plate 37d, 38d Slide groove 37z, 38z Locking claw 39 Bracket 40 Case 41 Spring 50 Latch 200 Key lock mechanism

Claims (3)

A box-shaped main body box in which a storage room for storing stored items such as valuables is formed and an opening for taking in / out the stored items is opened, and the main body box is attached to the main body box A cover that opens and closes the opening by reciprocating along the guide, and a key lock mechanism that is attached to the front side of the main body box and locks the cover in a state where the cover closes the opening. It ’s a safety box,
The key lock mechanism is reciprocated in conjunction with the insertion / removal of the key, and a latch provided with a return mechanism, and is attached to the case member so as to be symmetrically movable in a pair of left and right directions. A pair of slide plates that move to each other, and when the cover closes the opening of the pair of slide plates, the latch plate is formed at two locations on the locking plate formed by the return force of the return mechanism of the latch. At the same time, the cover is locked in the closed position, and when the key is operated in the unlocking direction against the return force of the return mechanism, the engagement with the locking plate portion of the cover is released. A safety box characterized in that a locking claw that enables the cover to move in the opening direction is provided. The latch is provided with a slide pin, and the pair of slide plates are attached to the case member so as to be movable in opposite directions with respect to the center of the box (the center in the width direction of the safety box) and the slide pin is slidable. The sliding grooves to be fitted are respectively engraved, and a spring for assisting the return force of the return mechanism of the latch is installed between the pair of slide plates, and the pair of slide plates cooperates with the return mechanism of the latch. of each locking claw is biased into engagement with the locking plate, closing of the cover the locking plate portion and each of the locking claws of the pair of slide plate is engaged In the position, when the latch is operated in the unlocking direction by the key, the slide pin is moved to the pair of slide plates. And wherein by moving along the slide grooves made by being configured as allowed to move in the opening direction to open the engagement between the respective locking claws of the pair of slide plates the locking plate The safety box according to claim 1. The slide grooves of the pair of slide plates are configured so that the slide pin of the latch is at one end of the slide groove when the cover is in a closed position where the respective locking claws of the slide plate and the locking plate portion are engaged. From the one end side so as to move the pair of slide plates in the opening direction by the slide pin moving in the slide groove as the key moves in the opening direction of the latch. The safety box according to claim 1, wherein the safety box is curved toward the outside in the left-right direction.

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