JP2534381Y2 - Safety mechanism of shelf assembly - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION In the present invention, a plurality of fixed shelves are arranged side by side in a horizontal direction to form a fixed shelf row, and fixed on a movable shelf support provided on the front side of the fixed shelf row. The present invention relates to a shelf assembly which is provided with a smaller number of movable shelves than the shelves so as to be movable independently in the left-right direction to form a movable shelf row. The present invention relates to a safety mechanism of a shelf assembly capable of safely closing a front surface.

[0002]

2. Description of the Related Art Hitherto, a shelf assembly such as a library in which a fixed shelf row and a movable shelf row are combined has been widely used. For example, in a shelf assembly disclosed in Japanese Utility Model Publication No. 62-25160, a plurality of fixed shelves are arranged side by side in the left-right direction to form a fixed shelf row, and are provided on the front side floor surface of the fixed shelf row. Moving shelves are provided independently on the rails of the moving shelves support stand by one less than the fixed shelves via traveling wheels to form moving shelves, and further, the moving shelves and the fixed shelves A sliding door that shields the front surface of the fixed shelf is provided movably in the left-right direction.

In this type of shelf assembly, even if the fixed shelf row and the movable shelf row are arranged close to each other, the movable shelf is appropriately moved in the left-right direction, so that a book can be placed on the front of a desired fixed shelf. Since a space for taking in and out of a file or the like can be formed, a large storage volume can be secured by effectively utilizing a shelf installation space on the floor surface. Also,
In this type of shelf assembly, the entire front of the fixed shelves can be shielded by the movable shelves and the sliding doors, so there is no need to provide doors on the front of each fixed shelves, and the front is open. Fixed shelf can be used.

[0004]

As described above, in the conventional shelf assembly, the entire front surface of the fixed shelf array can be shielded by the movable shelf array and the sliding door type door. Since there is no means to lock the sliding door at a predetermined position, in order to be able to store documents requiring confidentiality in the fixed shelf, a keyable opening / closing front of the fixed shelf is required. A door must be provided, which leads to complication of the shelf structure, an increase in the number of components, and the like, and inconveniences in that the work of taking in and out documents on the fixed shelf is troublesome. Therefore, an object of the present invention is to provide a shelf assembly that can safely close and control a fixed shelf by one less moving shelf and one sliding door than the fixed shelf, and that is excellent in operability. It is to provide a safety mechanism.

[0005]

According to the present invention, a plurality of fixed shelves (2) are arranged side by side in a horizontal direction to form a fixed shelf row (1). A movable shelf row is provided by independently providing a movable shelf body (12) one number less than the fixed fence body in the left-right direction on a movable shelf support base (10) arranged on the front side of the fixed shelf row. (11), the movable shelf (12) is placed on the movable shelf (12) located at one end of the movable shelf row (11), and the front surface of the fixed shelf (2) at one end of the fixed shelf row (1) is set. A sliding door type door for providing a key locking device (24) for key locking at an open position, and for shielding a front surface of a fixed shelf (2) between a movable shelf row (11) and a fixed shelf row (1). (1
9) is provided so as to be movable in the left-right direction, and the sliding door is key-locked to a position where the front surface of the fixed shelf (2) at one end of the fixed shelf row (1) is closed and closed. In a safety mechanism for a shelf assembly provided with a door keying device (25), a shelf keying device (24) is attached to a movable shelf (12) and provided at a predetermined position on a movable shelf support (10). An engaging rod (35) capable of being disengaged from and disengaged from the engaging portion (34), a key cylinder (36) attached to a lower front portion of the movable shelf (12), and a key of the key cylinder (36). Groove (36
a) an operating rod (37) for displacing the engaging rod (35) in the disengaging direction in conjunction with the rotation of the key corresponding to (a), wherein the door keying device (25) is a sliding door type door (19). Hole (40) attached to the fixed shelf (2) and provided at a predetermined position of the fixed shelf (2)
An engaging piece (41) that can be disengaged and displaced with respect to the
9) A key cylinder (42) attached to the vicinity of the side edge near the one end of the fixed shelf row (1) on the front side, and rotation of a key matching the key groove (42a) of the key cylinder (42). An actuation rod (43) for interlockingly displacing the engagement piece (41) in the disengagement direction is provided.

[0006]

In the safety mechanism for a shelf assembly having the above structure, the movable shelf (12) and the sliding door (19) are independently locked by the shelf keying device (24) and the door keying device (25). Since the lock can be released, only the movable shelf (12) can be unlocked and moved while the sliding door (19) is locked. Therefore, the movable shelf (12) is moved while the fixed shelf (2) at the rear thereof is safely managed by the lock of the sliding door (19), and the storage items are put in and out of the other fixed shelf (2). It can be performed.

Further, the key cylinder (42) of the door locking device (25) is locked at one end of the fixed shelf row (1) on the front surface of the sliding door (19) (ie, the movable shelf (19) is locked). (The side opposite to the position), so that when the key lock of the movable shelf (12) is released and the position is slightly moved, that is, the sliding door (19) Even when a part is covered with the moving shelf (12), the key cylinder (42) of the door locking device (25) is not covered with the moving shelf (12). Therefore,
Even when the movable shelf (12) is not locked at a predetermined position, the key locking or unlocking operation of the sliding door (19) by the door locking device (25) can be performed quickly and easily without any trouble.

Further, the key cylinder (36) of the shelf keying device (24) is attached to the lower part of the front surface of the movable shelf (12), that is, at a position easily visible from the front side of the movable shelf (12). In addition, whether or not the shelf keying device (24) is at the lock position can be easily visually recognized on the front side of the movable shelf (12). Therefore, it is possible to eliminate the risk of wasting labor in moving the movable shelf (12) locked at a predetermined position, or applying an unreasonable load to the shelf keying device (24). .

Therefore, the number of the movable shelves (12) and the number of the sliding doors (19) are one less than the number of the fixed shelves (2).
Thus, all the fixed shelves (2) can be safely closed and managed, and a safety mechanism for the shelf assembly with excellent operability can be provided.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 to FIG. 11 show an embodiment of the present invention. First, referring to FIGS. 1 to 5, the fixed shelf row 1 includes a plurality (here, three) of fixed shelf bodies 2.
Are arranged in a line in the left-right direction, and a movable shelf support 10 movably supports a movable shelf row 11 composed of two movable shelf bodies 12 on the front side of the fixed shelf row 1.
Is installed. As can be seen from FIG. 2, the fixed shelf 2 and the movable shelf 12 have the same length (width in the left-right direction). Each fixed shelf 2 is installed on a rear base 3 having a length substantially corresponding to the length of the fixed shelf, and the three rear bases 3 are connected in the left-right direction to form a rear base row. Has formed.

The movable shelf support 10 includes three fixed bases 14 having the same length as the rear base 3, and a pair of rails 13 extending over the entire length of the fixed base 14. A spacer 15 having the same length as the rear base 3 and the fixed base 14 is interposed between the rear base 3 and the fixed base 14, so that a gap having a predetermined width is formed between the front surface of the fixed shelf 2 and the movable shelf 12. Is secured. The rear base body 3 may be formed integrally with the fixed base body 14 and the spacer 15. However, by using the spacer 15 and the movable shelf support 10, the existing fixed shelf row 1 that has been installed can be used. , Moving shelves can be easily added on the front side.

As shown in FIG. 6, an upper support rail 16 is attached to the front edge of the upper surface of the fixed shelf row 1 so as to extend over its entire length. Guide rollers 17 provided at the rear end of the upper surface of each movable shelf 12
Are rotatably locked so that each movable shelf 1
2 is prevented from falling. In the illustrated embodiment,
The upper support rail 16 is, like the rail of the movable shelf support to be described later, an end rail 1 having a half length of the rear base 3.
6a and an intermediate rail body 16 having the same length as the rear base body 3.
b can be connected.

In the illustrated embodiment, each movable shelf 12 is provided with a double door 18 on the front, but as shown in FIG. 5, each fixed shelf 2 has a shelf structure with an open front. . Therefore, the two movable shelves 12 are connected to the movable shelf support 1
0, the two fixed shelves 2 on the rear side are shielded from the front by the movable shelves 12, but the front surface of the remaining one fixed shelf 2 remains open. Therefore, as shown in FIGS. 1, 2, 3, and 6, a sliding door 19 having substantially the same length as the fixed shelf 2 is provided between the front of the fixed shelf 2 and the movable shelf 12. The sliding door 19 is supported by the upper support rails 16 of the fixed row 1 via guide rollers 20 and 21, and the lower support rail 23 provided on the lower front of the fixed row 1 via the guide rollers 22.
And is movable in the left-right direction along the front surface of the fixed shelf row 1. Therefore, when the two movable shelves 12 are moved toward one end (the right end in FIGS. 1 and 2) of the movable shelf support 10, the fixed shelf at the other end (the left end in FIGS. 1 and 2) is provided. 2 can be closed by a sliding door 19. As described later, a shelf keying device 24 for key-locking the movable shelf 12 to a predetermined position (a position at which the front surface of the fixed shelf 2 at the other end is opened) is provided on one movable shelf 12. The sliding door 19 is provided with a door locking device 25 for key-locking the sliding door 19 to a predetermined position (a position for closing the front surface of the fixed shelf 2 at the other end). I have.

As shown in FIG. 4, each rail 13 extending over substantially the entire length of the movable shelf support 10 has a pair of end rails 26 having a length (L / 2) substantially half of the fixed base 14, An intermediate rail body 27 having substantially the same length (L) as the fixed base body 14. Each of the rail bodies 26, 27 is attached to the fixed base body 14, and the adjacent fixed base bodies 14 are connected to the intermediate rail 14. Body 2
7 are connected to each other via an intermediate rail body 27 at a position where they are divided into two. The end rail body 26 is a linear rail member 26a.
And an approximately L-shaped stopper 26b connected to the end thereof. As shown in FIG. 7, an impact buffering member 26c made of an elastic body such as rubber is attached to the stopper 26b.

Although the fixed base 14 used at the end of the movable shelf support 10 and the fixed base 14 used at the intermediate portion of the movable shelf support 10 have different rails, , The two fixed base bodies 14 have the same shape,
Screw holes and the like are arranged and formed so that both the end rail body 26 and the intermediate rail body 27 can be screwed. Therefore, only one type of fixed base body 14 is sufficient. Further, the position of the bolt through-hole is determined so that the end rail body 26 can be applied to both of the two end portions of the movable shelf support base 10.

As shown in FIG. 6 to FIG.
Is mounted on a side surface of a recess 14a formed on the upper surface of the fixed base body 14 with bolts 28, and a traveling wheel 30 held via a bracket 29 in a recess 12a formed on the bottom of the movable shelf 12 Are mounted on the rail 13 so as to be rollable, and the flange 30a of the running wheel 30
It is intended to prevent the wheel from coming off.

The bracket 29 has both side portions 29a for supporting both ends of the shaft portion of the traveling wheel 30 and a top surface portion 29b.
2a is fixed to the upper surface. A stopper piece 32 having a U-shaped cross section is fixed to the bracket 29 so as to fit to the outer surface on one end side of the both side faces 29a.
The lower end 32a of the pair 2 is located at a position facing the buffer member 26c of the stopper 26b of the rail 13. Further, protrusions 29c having a height corresponding to the thickness of the stopper piece 32 are formed by pressing on the outer surface of the other end side of the both side surface parts 29a of the bracket 29, respectively, by pressing, and the stopper piece 32 and the protrusion 29c are formed. Abuts on both inner side surfaces of the concave portion 12a of the movable shelf 12, so that the bracket 29 and the traveling wheels 3
0 is stably held in the recess 12a. FIG.
As shown in FIG. 8, a cover 33 for minimizing a space for ingress and accumulation of dust and the like is attached to the recess 14 a on the upper surface of the fixed base body 14.

Next, the keying devices 24 and 25 will be described.

FIGS. 8 and 9 show a shelf keying device 24 for key-locking the movable shelf 12 at a predetermined position.
The shelf keying device 24 is attached to the movable shelf 12 and is attached to the movable shelf 12 with an engaging rod 35 capable of engaging and disengaging with an engaging portion 34 provided at a predetermined position of the movable shelf support base 10. A key cylinder 36 and an operating rod 37 that displaces the engaging rod 35 in the engaging and disengaging direction in conjunction with the rotation of a key (not shown) that matches the key groove 36a of the key cylinder 36. In this embodiment, the engaging rod 35 is urged downward by a coil spring 38, that is, in the engaging direction, and a contact plate 39 is locked to the engaging rod 35 by a projection 35a. When the lock is released, the engaging rod 35 is lifted to the upper disengaged position by the operating rod 37 via the contact plate. To lock the movable shelf 12 at a predetermined position on the movable shelf support 10, insert the key into the key cylinder 36 and rotate it clockwise in FIG. As a result, the engagement rod 36 is lowered to engage the engagement portion 34 of the fixed base body 14. Therefore, if the user removes the key in this state, the movable shelf 12 is moved to the movable shelf support 10.
Since the keys are locked upward, the front surfaces of the two fixed shelves 2 behind the movable shelf row 11 are safely closed.

FIGS. 10 and 11 show a door locking device 25 for key-locking the sliding door 19 at a predetermined position. The door locking device 25 is attached to the sliding door 19 and is attached to the sliding door 19 with an engaging piece 41 which can be disengaged from and disengaged from an engaging hole 40 provided at a predetermined position of the fixed shelf 2. It has a key cylinder 42 and an operating rod 43 for displacing the engaging piece 41 in the engaging and disengaging direction in conjunction with the rotation of a key (not shown) that matches the key groove 42a of the key cylinder 42. In this embodiment, the engaging piece 41 is rotatably supported by a support shaft 44 and is spring-biased by a spring 45 in the counterclockwise direction in FIG. When the lock is released, the engaging piece 41 is lifted by the operating rod 43 to the upper disengaged position. When the sliding door 19 is locked at a predetermined position on the fixed shelf 2, when the key is inserted into the key cylinder 42 and rotated counterclockwise in FIG. 11, the operating rod 43 rotates clockwise together with the key. As a result, the engagement piece 41 rotates counterclockwise in FIG. 10 and engages with the engagement hole 40 of the fixed shelf 2. Therefore, if the key is pulled out in this state, the sliding door 19 is key-locked to the front of the fixed shelf 2, so that
The front surfaces of the remaining fixed shelves 2 other than the fixed shelves closed by the movable shelf row 11 can be safely closed.

Therefore, in the shelf assembly having the above configuration, as shown in FIG. 3, with the movable shelf row 11 being moved to the right end side of the movable shelf support 10, the right movable shelf By key locking the body 12, the front surfaces of the two fixed shelves 2 behind the two movable shelves 12 can be safely closed and managed by the two movable shelves 12.

Further, in this state, the sliding door 19 is positioned in front of the fixed shelf 2 at the left end, and is key-locked to the fixed shelf 2 by the door locking device 25. The front of the body 2 can be safely closed and managed by the sliding door 19. Therefore, in this embodiment, the front surfaces of all the fixed shelves 2 are fixed to the fixed shelves 12 and the sliding doors 1.
9 enables safe closure management.

Although the illustrated embodiment has been described above, the present invention is not limited only to the above embodiment.
For example, various changes can be made to the number and shape of the shelves. In addition, various changes can be made to each constituent member, particularly, the form of the keying device.

[0025]

As is clear from the above description, according to the present invention, the number of moving shelves one less than the number of fixed shelves and one
With the two sliding doors, the fixed shelf can be safely closed and controlled, and a safety mechanism for the shelf assembly with excellent operability can be provided.

[Brief description of the drawings]

FIG. 1 is a perspective view of a shelf assembly according to an embodiment of the present invention.

FIG. 2 is a schematic plan view of the shelf assembly shown in FIG.

FIG. 3 is a front view of the shelf assembly shown in FIG. 1;

FIG. 4 is a plan view of a movable shelf support of the shelf assembly shown in FIG. 1;

FIG. 5 is a front view showing a state where a sliding door of the shelf assembly shown in FIG. 1 is moved.

6 is a vertical sectional view of a main part showing a supporting structure of a movable shelf and a sliding door of the shelf assembly shown in FIG. 1;

FIG. 7 is a sectional front view of a main part showing a traveling wheel support structure of the shelf assembly shown in FIG. 1;

8 is a cross-sectional side view of a main part showing a keying device of the moving shelf of the shelf assembly shown in FIG. 1;

FIG. 9 is a schematic front view of the keying device shown in FIG. 8;

10 is a cross-sectional side view of a main part showing a keying device of the sliding door of the shelf assembly shown in FIG. 1;

11 is a partial cross-sectional front view of the keying device shown in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Fixed shelf row 2 Fixed shelf 10 Moving shelf support stand 11 Moving shelf row 12 Moving shelf 13 Rail 14 Fixed base body 19 Sliding door 24 Shelf keying device 25 Door keying device 30 Running wheel 34 Engagement part 35 Coupling rod 36 key cylinder 36a key groove 37 operating rod 40 engaging hole 41 engaging piece 42 key cylinder 42a key groove 43 operating rod

Claims (1)

(57) [Scope of request for utility model registration] A plurality of fixed shelves (2) are arranged side by side in a horizontal direction to form a fixed shelf row (1), and a movable shelf support (10) arranged on the front side of the fixed shelf row (1). ) Above fixed fence
One less number of mobile rack body (12) each alone provided movably in the lateral direction and movable rack rows (11), movable rack member located at one end of the movable rack rows (11) (12) To the fixed shelf (2) at one end of the fixed shelf row (1).
Shelf施鍵apparatus for keylock position to open the front (24) provided to shield the front surface of the fixed shelf body (2) between the mobile rack row (11) and the fixed rack row (1) sliding door Type door (1
9) is provided movably in the left-right direction, and the sliding door is attached to the sliding door in front of the fixed shelf (2) at the one end of the fixed shelf row (1).
In a safety mechanism of a shelf assembly provided with a door lock device (25) for key locking at a position where a surface is closed , a shelf lock device (24) is attached to a movable shelf (12).
And a lock provided at a predetermined position of the movable shelf support (10).
An engagement rod (35) capable of engaging and disengaging with respect to the joint (34);
A key switch attached to the lower front of the movable shelf (12)
(36) and a keyway (3) of the key cylinder (36).
The engagement rod (35) in conjunction with the rotation of the key corresponding to 6a)
And an operating rod (37) for displacing the door in the disengaging direction, and a door locking device (25) is attached to the sliding door type door (19).
And an engagement hole provided at a predetermined position of the fixed shelf (2)
An engagement piece (41) capable of being disengaged and displaced with respect to (40), and a sliding door
Of the fixed shelf row (1) on the front side of the front door (19)
A key cylinder (42) mounted near the side edge,
It matches the keyway (42a) of the key cylinder (42)
The engaging piece (41) is displaced in the disengaging direction in conjunction with the rotation of the key
And an actuating rod (43) for actuating the shelf assembly.