JP2010088758A - Device housing desk - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a device housing desk, capable of simplifying structure, stably supporting a device, and securely locking a top plate at a desired position. <P>SOLUTION: The top plate 1 is movable to a back limit position A where it closes an opening at an upper end of a device housing space 7 provided at a back part of a top plate support member 2, a half-open position C where the back end abuts on or closer to a front surface of an elevation pole 31 as lifted above the device housing space 7, and a forward limit position B where it is located further forward to form such an opening as to make both the elevation pole 31 and a display 38 installed on it elevatable. Between the top plate 1 and the top plate support member 2, a lock means to lock the top plate at the back limit position A and the half-open position C is provided. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a device storage-type desk that can store a device such as a display of a personal computer under a top plate of a desk and can be used by being pulled up above the top plate at any time.

As this type of conventional device retractable desk, for example, an opening is provided on the top of the desk so that the opening can be opened and closed by a canopy, and the device is placed below the opening. A platform that can be moved between a retracted position stored below the top plate and a raised position facing the opening (see, for example, Patent Document 1), and a top plate supporting the top plate below the top plate. It is mounted so as to be slidable in the front-rear direction, and when it is moved forward, through the opening formed in the rear upper surface of the top plate support, the lifting column accommodated in the top plate support and attached to it There are devices that allow the device to move up and down between a housing position where the device is housed below the top plate and a use position where the device is located above the top plate (for example, see Patent Document 2).
JP 2001-128755 A JP 2002-165648 A

  However, the one described in Patent Document 1 requires an opening in the top plate, and a complicated interlocking mechanism is required to interlock the opening and closing of the canopy with the lifting and lowering of the lifting platform, and the structure is complicated. There is a problem such as.

  In addition, what is described in Patent Document 2 is that the lifting column and the device attached to the lifting column can be moved to the rear limit in a state where the lifting column and the device attached to the lifting column are used. Since the lower end is provided with a U-shaped locking holding part that fits the rear end of the top plate, the support of the lifting column and equipment becomes unstable, and they are tilted backward It must be lifted and lowered, and there is a risk that the guiding means will be complicated and the lifting and lowering may be unsmooth.

  In view of the above-described problems of the conventional technology, the present invention can simplify the structure, can stably support the device, and can securely lock the top plate at a desired position. An object of the present invention is to provide a device retractable desk.

According to the present invention, the above problem is solved as follows.
(1) An opening formed on the upper surface of the rear portion of the top plate support when the top plate is mounted so as to be slidable in the front-rear direction with respect to the top plate support below the top plate. The lifting column accommodated in the top plate support body and the device attached thereto are moved up and down between a housing position where the device is housed below the top plate and a use position where the device is located above the top plate. In the stowable device retractable desk, the top plate is in contact with or close to the rear limit position for closing the opening of the top plate support and the front surface of the lifting column when the rear end is raised. A semi-open position that is further forward and a front limit position that forms an opening in which both the lifting column and the device can be lifted and lowered at the rear, and the top plate and the top plate support The top plate can be locked in the rear limit position and the half-open position during Providing a stop means.

With such a configuration, the top plate can be securely locked at the rear limit position and the half-open position so that it does not move to the delirium, and the top plate is moved to the front limit position. , The lifting column and the equipment attached to it can be raised directly to the use position, then the top plate is returned to the half-open position and locked by the locking means, so that the device can be used easily State.
With the locking means released and the top plate moved to the front limit position, the lifting column and the equipment attached to it can be lowered directly to the storage position, and then the top plate is moved to the rear limit position. By returning to the position and locking by the locking means, the device can be easily stored in the storage position and the top plate can be fixed at the rear limit position.
When the lifting column is in the use position, it can stand up right through an opening formed at the rear of the top plate in the half-open position. There is no need to provide a holding portion or the like, and the device can be stably supported.
Furthermore, the wiring of the device attached to the lifting column can be inserted downward from a half-open state opening formed behind the top plate when the top plate 1 is in the half-open position.

  (2) In the above item (1), the locking means is provided on any one of the facing surfaces of the top surface of the top plate support and the bottom surface of the top plate so as to be able to protrude and retract toward the other facing surface. The engaging pin can be fitted when the engaging pin is always urged in a direction protruding toward the other facing surface and the top plate is located at the rear limit position and the half-open position. Two engagement holes provided on the other facing surface and the top plate support or the top plate provided with the engagement pins, and moved in the release direction, thereby An operation lever that moves the mating pin in a direction to detach from the engagement hole is provided.

  With such a configuration, the top plate can be reliably locked at the rear limit position and the half-open position with a simple structure.

  (3) In the above item (1) or (2), the engaging means is provided on the upper surface of the top plate support so as to be able to protrude and retract upward, and is biased upward. Two engagement holes provided on the lower surface of the top plate so that the engagement pins can be fitted when the top plate is positioned at the rear limit position and the half-open position, and the top plate support It is provided with an operation lever that is provided and moved in the release direction to move the engagement pin in a direction to release from the engagement hole.

  With such a configuration, the operation lever can be provided at a fixed position, and operability can be improved.

  (4) In the above item (3), the locking means includes a case in which a lower end provided at an appropriate position in the left-right direction on a horizontal bar horizontally mounted on the front upper part of the top plate support is provided below the top plate. In this case, the upper end of the operating lever facing downward is pivotally attached with a shaft pointing in the left-right direction, and is engaged upwardly with the rear end of the operating piece facing rearward from the upper end of the operating lever. By providing a pin integrally and rotating the lower end portion of the operation lever forward, the engagement pin is rotated downward so as to be immersed below the upper surface of the top support.

  With such a configuration, the structure of the locking means can be simplified.

  (5) In the above item (4), the elastic tongue piece that urges the operating lever in a direction in which the engaging pin rotates upward is formed integrally with the operating lever by the tip portion being pressed against a part of the case. Provided.

  With such a configuration, the biasing means can be formed integrally with the operation lever, the number of parts can be reduced, and the structure can be simplified.

  (6) In any one of the above items (1) to (5), the ascending / descending column is prevented from descending by contacting the front surface of the elevating column with the top surface of the top plate located at the half-open position. Provide a stopper.

  With such a configuration, it is possible to reliably prevent the elevating column and the device attached thereto from descending unexpectedly, thereby improving safety.

  (7) In any one of the above items (1) to (6), a damper for biasing the top plate toward the front limit position is provided between the top plate and the top plate support.

  With such a configuration, when the locking means is released, the top plate automatically moves forward at a slow speed, so that the operability is improved and the top plate comes into contact with a member that regulates the movement range. Can alleviate the impact and prevent their mutual damage.

  ADVANTAGE OF THE INVENTION According to this invention, while being able to simplify a structure, the apparatus can be supported stably, and also the apparatus retractable desk which enabled it to latch a top plate reliably in a desired position can be provided. .

Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.
As shown in FIG. 1 to FIG. 4, this device retractable desk is configured by supporting a horizontally long top plate 1 so as to be slidable in the front-rear direction by a top plate support 2 below it.
The top plate support 2 connects the rear ends of a pair of left and right side legs 3 and 3 that are substantially U-shaped in side view with a curtain plate 4 that faces in the left-right direction, and similarly, the upper parts are connected in the left-right direction. It is formed by connecting with front and rear recumbent bars 5 and 5a (refer to FIGS. 2 and 4) facing each other.

  A front cover 6 is detachably mounted in front of the curtain plate 4 between the left and right side legs 3 and 3, and a device housing space 7 is formed between the curtain plate 4 and the front cover 6. Yes.

  As shown in FIG. 5, a concave groove 8 facing in the front-rear direction is provided at the upper end of each side leg 3, and a plurality of movable rails 10 are provided in the concave groove 8 with respect to the fixed rail 9. A known suspension rail 12 that can smoothly slide in the front-rear direction is fitted through the ball 11, and the fixed rail 9 is fixed to the inner surface of the groove 8.

  A hanging piece 13a in the top plate support bracket 13 made of an angle material is fixed to the outer surface of the movable rail 10, and a horizontal piece 13b facing inward from the upper end of the hanging piece 13a in the top plate support bracket 13 is provided. By screwing to the lower surface of the top plate 1, the top plate 1 can smoothly move from the rear limit position A shown by the imaginary line in FIG. It is supported on both legs 3, 3 so that it can move back and forth.

  When the top plate 1 is located at the rear limit position A, the opening at the upper end of the device accommodating space 7 is completely closed by the rear part of the top plate 1, and the top plate 1 is located at the front limit position B. When open, the opening at the upper end of the device accommodating space 7 is completely open.

  Long grooves 14, 14 facing in the front-rear direction are provided on the lower surfaces of both side portions of the top plate 1, and pins 15 projecting from the upper surfaces of both side portions of the front reed 5 are fitted in the long grooves 14, 14. Thus, the top plate 1 is guided to smoothly move back and forth.

  As shown in FIGS. 2 and 6, at the center portion in the left-right direction of the front reed 5, the lifting column when the top plate 1 is raised and the rear end position A and the rear end of the top plate are raised as will be described later. Locking means 16 is provided which can be locked to the half-open position C which contacts or is close to the front surface of 31.

The locking means 16 includes a rectangular case 18 having a lower end that is fitted in a rectangular opening 17 provided at the center of the horizontal bar 5.
In the case 18, an upper end portion of the operation lever 19 facing downward is pivotally attached with a shaft 20 facing in the left-right direction, and a rear end portion of the operation piece 19a facing rearward from the upper end portion of the operation lever 19 is Through the opening 21 provided on the upper wall of the case 18, a rectangular shaft-like engagement pin 19 b that can protrude upward and downward from the upper surface of the case 18, that is, the upper surface of the top support 2 is integrally provided. Then, by rotating the lower end portion of the operation lever 19 forward, the engagement pin 19b is rotated downward and is immersed below the upper surface of the top plate support.

  The upper end of the operating lever 19 branches off from the base of the operating piece 19a, extends rearward and downward, and the front end is pressed against the forward bent piece 18a in the rear lower portion of the case 18, whereby the operating lever 19 is In addition, an elastic tongue piece 19c is integrally provided which forms an urging means for urging the engaging pin 19b upward from the upper surface of the top plate support 2, that is, counterclockwise in FIG.

  Two front and rear engagement holes are formed on the lower surface of the center of the top plate 1 so that the engagement pins 19b can be fitted when the top plate 1 is located at the rear limit position A and the half-open position C. 22 and 23 are provided.

  Therefore, by this locking means 16, the top plate 1 can be securely locked at the rear limit position A and the half-open position C, so that it does not move in a delusion, and the lower end of the operation lever 19 is moved forward. By pulling on and performing a release operation, the locked state can be easily released.

As shown in FIGS. 2 and 4, the lower surface of the portion slightly further to the right (or left) than the center of the rear side reed 5 a and the approximate center of the lower surface of the top plate 1 have a contraction tendency. Both ends of a known cylinder-type damper 24 are connected by means of shafts 25 and 26 facing upward, and the top plate 1 is always directed forward, that is, toward the front limit position B. And is urged to move at a slow speed.
Accordingly, when the locking means 16 is released, the top plate 1 automatically moves forward at a slow speed, so that the operability is improved and the impact when the top plate 1 comes into contact with a member or the like that regulates the movement range. Can alleviate and prevent their mutual damage.

In the device housing space 7 of the top support 2, three device lifting / lowering means 27 are arranged side by side in the left-right direction.
As shown in FIG. 3 and FIG. 4, each device elevating means 27 is arranged so that the upper end portions and the lower end portions of a pair of left and right guide rails 28, 28 facing in the up-down direction in a plan view inwardly U-shaped. By connecting with connecting members 29 and 29, a support frame 30 is formed, fixed to the curtain plate 4, and on both side surfaces of a horizontal rectangular frame-like lifting body 32 having a lifting column 31 standing in the center. The pair of upper and lower guide rollers 33, 33 are fitted to the left and right guide rails 28, 28, and the strips 35 of the pair of left and right constant load springs 34, 34 attached to both sides in the lifting body 32. Is fixed to the upper lateral connecting member 29 and is urged by the two constant load springs 34 and 34 so as to lift the elevating body 32 upward. Handle 36 and lifting column 3 A device such as a personal computer display 38 is pivotally attached to a bracket 37 attached to an intermediate portion of the bracket with a shaft 39 facing in the left-right direction, so that the display 38 can be swung in the vertical direction, and the top plate 1 is further moved forward. With the handle 36 moved to the limit position B and the upper end opening of the device housing space 7 opened, the lifting column 31 and the display 38 attached thereto are housed as shown in phantom lines in FIG. As shown by the solid line, the display 38 can be moved up and down from the accommodation position D accommodated in the space 7 to the use position E located above the top plate 1.

  The urging force of the constant load springs 34, 34 is preferably set so as to balance the weight of the entire portion that moves up and down, that is, the entire lifting column 31, the lifting body 32, the display 38, and the like.

  At a position below the display 38 on the front surface of the lifting column 31, a stopper 40 protrudes in contact with the upper surface of the top plate 1 located at the half-open position C and prevents the rising column 31 from descending. Has been.

As shown in FIG. 1, a storage box 41 is provided at the center in the left-right direction below the top plate 1, in which two PC main bodies 42, 42 are stored, and for the display 38 on the left and right sides. When not in use, the keyboard 43 can be accommodated in a tray 44 fixed to the reed 5 below the top plate 1.
In this example, text is displayed on the central display 38, and two students can learn using the left and right displays 38 and the keyboard 43. However, the usage mode of the three displays 38 is not limited to this.

  Since this device retractable desk is configured as described above, the top plate 1 can be securely locked at the rear limit position A and the half-open position C so that it does not move to the delirium. Pulling the lower end of the operating lever 19 forward to disengage the engaging pin 19b from the engaging holes 22 and 23 and moving the top plate 1 to the front limit position B, the handle 36 is used to The display 38 attached to it can be raised directly to the use position E, and then the top plate 1 is returned to the half-open position C and the engagement pin 19b is engaged with the engagement hole 23, The display 38 can be easily used.

  At this time, the stopper 40 comes into contact with the upper surface of the top plate 1 located at the half-open position C, and the ascending / descending column 31 and the display 38 are reliably prevented from descending, thereby improving safety. it can.

  In this state of use, the lower end of the operating lever 19 is pulled forward, the engaging pin 19b is disengaged from the engaging hole 23, and the top plate 1 is moved to the front limit position B. 31 and the display 38 attached thereto can be pushed down to the accommodation position D, and then the top plate 1 is returned to the rear limit position A to engage the engagement pin 19b with the engagement hole 22. Thus, the display 38 can be easily accommodated in the accommodating position D and the top plate 1 can be fixed at the rear limit position A.

The present invention is not limited to the above-described embodiment, and can be implemented in various modified forms.
For example, a pair of locking means 16 may be provided on the left and right, an operation lever 19 in the locking means 16 may be provided on the top plate 1 side, and engagement holes 22 and 23 may be provided on the top plate support 2 side. .
Further, two or three dampers 24 may be provided side by side in the left-right direction, or a compression coil spring or other urging means may be provided in place of the elastic tongue piece 19c.
The damper 24 may be used so as to urge the top plate 1 backward.

  Further, in the above embodiment, the three displays 38 can be lifted and lowered independently from each other with respect to one horizontally long top plate 1, but the top plate 1 is divided into three, Each may be able to move back and forth independently, or the display 38 and the lifting column 31 may be only one or two.

It is an external appearance perspective view of one Embodiment of this invention. It is also a plan view. FIG. 3 is an enlarged longitudinal front view taken along line III-III in FIG. 2. FIG. 4 is an enlarged longitudinal sectional side view taken along line IV-IV in FIG. 2. FIG. 5 is a partially enlarged longitudinal front view taken along line VV in FIG. 2. FIG. 3 is a partially enlarged vertical side view taken along line VI-VI in FIG. 2.

Explanation of symbols

A Rear limit position B Front limit position C Semi-open position D Storage position E Usage position 1 Top plate 2 Top plate support 3 Side leg 4 Curtain plate 5, 5a Recliner 6 Front cover 7 Equipment storage space 8 Groove 9 Fixed rail 10 Movable rail 11 Ball 12 Suspension rail 13 Top plate support bracket 13a Hanging piece 13b Horizontal piece 14 Long groove 15 Pin 16 Locking means 17 Opening 18 Case 19 Operation lever 19a Actuating piece 19b Engaging pin 20 Shaft 21 Opening 22, 23 Engaging hole 24 Dampers 25 and 26 Shafts 27 Equipment lifting means 28 Guide rails 29 Lateral connecting members 30 Support frames 31 Lifting pillars 32 Lifting bodies 33 Guide rollers 34 Constant load springs 35 Strips 36 Handles 37 Brackets 38 Displays 39 Shafts 40 Stoppers 41 Storage boxes 42 PC body 43 Keyboard 44 Tray

Claims (7)

The top plate is mounted so as to be slidable in the front-rear direction with respect to the top plate support below the top plate, and through the opening formed in the rear upper surface of the top plate support when the top plate is moved forward, The elevating column accommodated in the top plate support body and the equipment attached thereto can be moved up and down between the accommodation position where the device is accommodated below the top plate and the use position where the device is located above the top plate. In the equipment retractable desk,
The top plate has a rear limit position that closes the opening of the top plate support, a half-open position that comes into contact with or close to the front surface of the lifting column when the rear end is raised, and further forward It is possible to move to a front limit position that forms an opening in which both the lifting column and the device can be lifted up and down, and the top plate is disposed between the top plate and the top plate support. A device-retractable desk provided with locking means capable of locking at a position and a half-open position.   The locking means is provided on any one of the opposing surfaces of the top surface of the top plate support and the bottom surface of the top plate so as to be able to protrude and retract toward the other facing surface, and protrudes toward the other facing surface. 2 provided on the other facing surface so that the engaging pin can be fitted when the engaging pin is always biased in the direction to be moved and the top plate is located at the rear limit position and the half-open position. A direction in which the engagement pin is detached from the engagement hole by being provided in the top plate support or the top plate on which the engagement pin is provided and being moved in the release direction. The device retractable desk according to claim 1, further comprising an operation lever that is moved to the position.   The engaging means is provided on the top surface of the top plate supporter so as to be able to protrude and retract upward, and is urged upward, and the top plate is located at the rear limit position and the half-open position. Two engagement holes provided in the lower surface of the top plate so that the engagement pins can be fitted, and provided in the top plate support and moved in the release direction, The device retractable desk according to claim 1 or 2, further comprising an operation lever for moving the engagement pin in a direction to be removed from the engagement hole.   The locking means includes a case with a lower end provided at an appropriate position in the left-right direction in a horizontal gutter horizontally mounted on the front upper part of the top plate support below the top plate, and facing downward in this case An upper end of the operating lever is pivotally attached with a shaft facing in the left-right direction, and an engaging pin is provided integrally on the rear end of the operating piece that faces rearward from the upper end of the operating lever. 4. The device retractable desk according to claim 3, wherein the engaging pin is rotated downward by rotating the lower end portion forward so as to be immersed below the upper surface of the top plate support.   5. The device storage according to claim 4, wherein an elastic tongue piece that urges the operating lever in a direction in which the engaging pin pivots upward is provided integrally with the operating lever when the tip end is in pressure contact with a part of the case. Ceremony desk.   The equipment storage according to any one of claims 1 to 5, wherein a stopper is provided on the front surface of the lifting column so as to contact the upper surface of the top plate located at the half-open position and prevent the rising column. Ceremony desk.   The device retractable desk according to any one of claims 1 to 6, wherein a damper is provided between the top plate and the top plate support to bias the top plate toward the front limit position.

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