JP3370270B2 - Keyboard drawer device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a keyboard drawer for placing a keyboard of a computer in a drawable state, and particularly to a tilted state when a cradle stored horizontally with respect to a shelf frame is used. The present invention relates to a keyboard drawer device that can be easily and smoothly drawn out, and that can reliably hold a cradle with respect to a shelf frame during use and storage.

[0002]

2. Description of the Related Art A computer keyboard is used by mounting it on an OA disk or OA rack together with a computer main body, a display and the like. However, in order to effectively use the space, it is stored in a shelf frame when not in use. It is desirable to pull it out when using it, especially when installing multiple computer devices in multiple stages such as a server rack, the keyboard on the upper stage side was pulled out for easy operation. At that time, it is desirable to be in a tilted state.

In the keyboard used in this way, the operation of pulling out the cradle stored horizontally with respect to the shelf frame to the inclined state during use is easy and smooth, and the keyboard is not used either during use or during storage. Even in the state, it is necessary to surely hold the cradle against the shelf frame, but there has been no effective means for achieving these requirements with a simple structure and at low cost.

[0004]

SUMMARY OF THE INVENTION Therefore, the present invention has been made in view of the problems of the prior art as described above, and its main purpose is to easily and smoothly perform the operation of pulling out the cradle from the shelf frame. The pedestal that has been pulled out and pulled out is securely locked and held so that it does not fall out easily from the shelf frame, and the stored pedestal does not move easily in the pulling direction in the shelf frame. An object is to provide a keyboard drawer device that can be held stationary at low cost.

[0005]

In a keyboard drawer device according to the present invention for solving the above problems, a shelf frame attached to an OA disk or an OA rack and a keyboard mounted on the shelf frame can be pulled out from the shelf frame. It has a cradle to be housed, and the cradle is equipped with a second roller on the rear end sides of both sides and a first roller in front of the cradle, and a locking member for preventing the retainer from falling off during withdrawal. A member is provided, and a second guide rail for slidingly guiding the second roller and a first guide rail for slidingly guiding the first roller are mounted on the shelf frame in upper and lower two stages. At the same time, a stopper that engages with the locking member is provided, the first guide rail provided in the lower stage extends in a horizontal state, and the second guide rail provided in the upper stage has a front portion directed rearward. Extends downwardly Comprising a structure in which.

According to the above construction, the front and rear rollers slide along the upper and lower guide rails while being supported at two points, so that the pulling operation can be performed very smoothly and the front end of the pedestal can be gripped. It can be used in an inclined state by pulling it forward and it can be stored by pushing it forward, so it is easy to operate, and because of its simple structure it is durable and can be provided at low cost Is.

Further, by extending the second guide rail arranged in the upper stage in a state of being inclined downward, it is possible to securely lock and hold the accommodated cradle so as not to easily move within the shelf frame, The pedestal that is pulled out in an inclined shape has the locking member that is retained by the stopper, and each roller is restrained by the inner wall surface of each guide rail at the pulling-out position. It can be securely held so as not to fall off.

In particular, the second guide rail is formed in such a manner that its rear portion is slightly inclined upward from the horizontal state,
If a structure is provided on the terminal end of the rear portion to prevent the second roller from slipping off when it is dropped, the second roller is locked and held at the set position, and the slip-off prevention becomes more reliable. .

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION A drawer device for a keyboard according to the present invention will be described in detail below with reference to the accompanying drawings 1 to 5 showing preferred embodiments thereof. As shown in FIG. 3, a pedestal 3 on which the keyboard 2 is placed and a shelf frame 4 that accommodates the pedestal 3 on which the keyboard 2 is placed so as to be drawn out are mainly configured. The display 5 is mounted on the bottom surface of the shelf board 7 of the OA rack 6 or the like.

The shelf frame 4 has a shelf frame body 8 formed in the shape of a rectangular frame having an open front surface as shown in FIG.
Two upper and lower slide guide members are mounted on the inner surfaces of both side plates 9 and 10 in a laterally opposed manner, and the slide guide members are arranged horizontally with the first guide rail 11 arranged downward and downward. The second guide rail 12 is arranged on the upper side in an inclined state, and each of the guide rails 11 and 12 is formed in a lip groove shape whose inner surface side is open, and the top plate 13 of the shelf frame body 8 is formed.
A mounting plate 15 for the stopper 14 is attached to the inner surface of the.

The shelf frame 4 has a shelf frame 4A according to the first embodiment and a shelf frame 4B according to the second embodiment, as will be described later in detail with reference to FIGS. The cradle 3A shown in FIG. 3 (a) is used in combination with the cradle 3B shown in FIG. 3 (b) for the shelf frame 4B.

The cradle 3 has, as a basic structure common to the cradle 3A and the cradle 3B, a mounting plate 16 provided with a locking member 17 at the front end thereof for preventing the mounted keyboard 2 from sliding down. A locking member 18 that is locked and retained by the stopper 14 of the shelf frame 4 in the state of being pulled out at the rear end of the mounting plate 16.
On both side surfaces of the mounting plate 16, sliding and rotating members such as roller bearings are mounted so as to face each other in the left-right direction.

In the case of the cradle 3A, the sliding / rotating member directly attaches the first roller 19 and the second roller 20 which are lined up horizontally along the side surface of the mounting plate 16 to the mounting plate 16. ,
In the case of the cradle 3B, it is mounted via a mounting plate 21 provided on the side surface of the mounting plate 16, but the first roller 19 is at a position along the side surface of the mounting plate 16, and the second roller 20 is The mounting plate 16 is attached to a position above the side surface of the mounting plate 16 with a step.

The relationship between the cradle 3 and the shelf frame 4 is that in the case of the first embodiment, the mounting state of the cradle 3A on the shelf frame 4 is as shown in FIG. 4, and in the case of the second embodiment. Figure 5
, The first roller 19 into the first guide rail 11 and the second roller 2 into the second guide rail 12.
0 is fitted in each, and the locking member 18 is brought into contact with the stopper 14 when the receiving table 3A or the receiving table 3B is pulled out. Desirably, one of the locking member 18 and the stopper 14 is made of a rubber material or the like. The cushioning member 21 is provided to reduce the impact at the time of contact.

The difference between the first embodiment and the second embodiment is that in the case of the first embodiment using the cradle 3A and the shelf frame 4A, the first roller 19 is slid horizontally. The first guide rail 11 for guiding is completed in the middle of the shelf frame body 8,
A second guide rail 12 that slides and guides the second roller 20 in a downwardly inclined state extends to the rear end side of the second roller 20.
The rear end side of the guide rail 12 is formed so that the lower end position is slightly above the extension line of the first roller 19 and the terminal end portion is slightly inclined upward. A locking portion 22 for dropping the second roller 20 is provided.

In the case of the second embodiment using the cradle 3B and the shelf frame 4B, the first guide rail 11 extends to the rear end side of the shelf frame body 8 and the second guide rail 12 is provided. The rear end side is formed such that the upper end of the rear end side of the first guide rail 11 is the lower limit position and the terminal end portion is slightly inclined upward, and the lower surface side is arcuately formed at the terminal end portion of the second roller 20. A locking portion 22 to be dropped is provided.

A keyboard drawer according to the present invention which can adopt the first and second embodiments is, for example, a shelf board 7.
OA rack 6 by screwing the top plate 8 to the
When the pedestal 3 on which the keyboard 2 is mounted on the mounting plate 16 is put in and taken out, the first roller 19 slides and rotates between the pull-out position H1 and the set position S1 in the first guide rail 11. Then, the second roller 20 slides and rotates in the second guide rail 12 between the pull-out position H2 and the set position S2.

Therefore, the rollers 19 and 20 separated from each other by a predetermined distance can smoothly move within the moving range, and the cradle 3 pulled out can be securely engaged so as not to be easily dropped from the shelf frame 4. It is necessary to hold and hold the pedestal 3 in a secure manner so that the stored pedestal 3 does not move easily in the shelf frame 4 in the pull-out direction. Rails 11 and 12
The arrangement relationship illustrated in FIG. 4 and FIG. 5 is an example of a desirable mode in which the arrangement and the inclination angle are set and arranged.

In terms of their positional relationship, these guide rails 1 individually slide and guide the rollers 19 and 20 of the receiving table 3.
1, 12 are arranged in upper and lower two stages, and the lower guide rail 11
The guide rail 1 on the upper stage
By extending 2 in a downwardly inclined state, the received cradle 3 can be securely locked and held so as not to easily move in the shelf frame 4, and particularly, the guide rail 12 has an arc-shaped end portion. If the locking portion 22 is provided and the roller 20 is dropped in, the roller 20 is locked and held at the set position S2, and the slip-out prevention becomes more reliable.

Further, in addition to the locking member 18 provided at the rear end of the pedestal 3 pulled out in a slanting manner abutting against the stopper 14, the rollers 19 and 20 are pulled out to the drawing position H1. , H2, each guide rail 11, 12
The pedestal 3 is attached to the shelf frame 4 because it is constrained to the inner wall surfaces of the
It can be securely held so that it does not fall off easily.

In addition, each roller 1 separated by a constant interval
Since 9 and 20 slide while supporting two points along the respective guide rails 11 and 12 whose loci are set in advance in the state where this separation distance is maintained, the pulling-out operation is performed extremely smoothly. At the same time, the front end of the cradle 3 can be pushed down slightly and pulled out to the front while the roller 20 is disengaged from the locking portion 22, and the front end of the cradle 3 can be pushed forward while being pushed down slightly. Since it can be stored, it is easy to operate, and because of its simple structure, it is durable and can be provided at low cost.

[Brief description of drawings]

FIG. 1 is a perspective view of an essential part of an OA rack in which a keyboard drawer device of the present invention is used.

FIG. 2 is a perspective view showing a shelf frame, which is a main constituent member of the keyboard drawer of the present invention, with a part thereof cut away.

FIG. 3 is a perspective view of a cradle that is a main component of the keyboard drawer of the present invention.

FIG. 4 is a vertical cross-sectional view showing a first embodiment of a keyboard drawer device of the present invention.

FIG. 5 is a longitudinal sectional view showing a second embodiment of the keyboard drawer device of the invention.

[Explanation of symbols]

1 Drawer 2 keyboard 3,3A, 3B cradle 4,4A, 4B shelf frame 5 display 6 OA rack 7 shelves 8 shelf frame body 9,10 Side plate 11 (first) guide rail 12 (Second) guide rail 13 Top plate 14 Stopper 15 Mounting plate 16 Placement plate 17, 18 Locking member 19 (first) roller 20 (second) roller 21 Buffer member 22 Locking part

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Claims (2)

(57) [Claims] 1. A shelf frame which is attached to an OA disk or an OA rack and has a rectangular frame-shaped shelf frame body having an opening on the front surface, and a keyboard which is mounted so as to be drawn out from the shelf frame. A cradle is provided, and a second roller is mounted on the rear ends of both sides of the cradle, and a first roller is mounted in front of the cradle, and a locking member is provided to prevent the cradle from falling off during withdrawal. A second guide rail that slides and guides the second roller and a first guide rail that slides and guides the first roller are mounted on the shelf frame in two upper and lower stages. Provide a stopper that engages with the locking member,
The first guide rail provided in the lower stage extends in a horizontal state, and the second guide rail provided in the upper stage has a front portion extending in a downward inclined state toward the rear side, and a rear portion.
Is continuously formed in a manner that it inclines slightly upward from the horizontal state.
Drawer device of keyboards, characterized in that formed. 2. The rear portion of the second guide rail
The second roller is accommodated in the trailing end side in a dropped state.
To prevent the above cradle from coming off,
2. The keyboard drawer device according to claim 1 , further comprising a locking portion that enables the drawer to be pulled out when the front end portion is slightly pushed down .