JP2010178796A - Top plate sliding type desk - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a top plate sliding type desk for which a gap between the lower surface of a top plate and the upper end of a side leg can be made small and the top plate can be supported so as to be slid in the anteroposterior direction surely and smoothly. <P>SOLUTION: On the upper surface of left and right side legs 60, a recessed groove 61 opened to the upper part and the inner part and turned to the anteroposterior direction is provided. Inside the recessed groove 61, a guide rail device 64 for which a movable rail 63 is slidable in the anteroposterior direction relative to a fixed rail 62 is housed. The fixed rail 62 is fixed to the side face on the outer side of the recessed groove 61, a horizontal piece 65b turned more to the inner side part than the upper end of an attaching piece 65a in a bracket 65 for which the vertical attaching piece 65a is fixed to the movable rail 63 is extended from the recessed groove 61 to the inner side part, and the horizontal piece 65b of the left and right brackets 65 is fixed to the lower surface of the top plate 1. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a top-sliding desk on which a top plate is slidable in the front-rear direction on a top support.

  As this type of conventional top plate slide type desk, for example, in a guide rail device in which the movable rail is slidable in the front-rear direction with respect to the fixed rail on the inner side upper part of the left and right side legs of the top plate support. There is one in which the fixed rail is fixed and the movable rail is fixed to the lower surface of the top plate (see, for example, Patent Document 1).

  In addition, a concave groove facing in the front-rear direction is provided on the upper surfaces of the left and right side legs, and a guide rail device similar to the above is fitted into the concave groove, and a horizontal piece provided at the upper end of the fixed rail is attached to the side leg. There is also a type in which a horizontal piece of a bracket fixed to the movable rail and fixed to the movable rail extends inward through the upper surface of the side leg, and the lower surface of the top plate is fixed to the upper surface (for example, , See Patent Document 2).

JP 2002-165648 A JP 2004-283251 A

  However, what is described in Patent Document 1 is that the guide rail device is exposed to the inner side of the side leg and looks bad, and what is described in Patent Document 2 is that the upper end of the side leg and the top plate A gap larger than the distance corresponding to the sum of the thickness of the horizontal piece provided at the upper end of the fixed rail and the height of the head of the screw that fixes it to the upper end surface of the side leg must be provided between the lower surface and the lower surface. In addition, since the horizontal piece and the head of the screw are visible from the side, there is a problem that the appearance is poor.

  Moreover, what is described in Patent Document 2 is that the horizontal piece provided at the upper end of the fixed rail is screwed to the upper end surface of the side leg, and the fixed rail is merely brought into contact with the side surface of the concave groove. The support of the guide rail device is unstable, and the horizontal piece of the bracket may turn upward, or the guide rail device may rattle in the concave groove.

  In view of the above-described problems of the conventional technology, the present invention can reduce the gap between the lower surface of the top plate and the upper ends of the side legs, and stably and reliably the top plate. In addition, an object of the present invention is to provide a top plate slide type desk that can be supported so that it can slide smoothly in the front-rear direction.

According to the present invention, the above problem is solved as follows.
(1) A top plate in which the top plate is slidable in the front-rear direction on a top plate support formed by connecting a pair of left and right side legs facing in the front-rear direction with a connecting rod facing in the left-right direction. In the sliding desk, the upper and lower side legs are provided with concave grooves facing in the front-rear direction that open upward and inward, and the movable rail can slide in the longitudinal direction relative to the fixed rail in the concave groove. A horizontal piece facing inward from the upper end of the mounting piece in a bracket in which the fixed rail is fixed to the outer side surface of the groove and the vertical mounting piece is fixed to the movable rail. The horizontal pieces of the left and right brackets are fixed to the lower surface of the top plate.

  With such a configuration, the fixed rail can be securely fixed to the outer side surface of the concave groove using the inward opening of the concave groove, and the top plate can be stably and reliably supported. In addition, the horizontal piece of the bracket extends inward through the inward opening of the concave groove, so that the gap between the lower surface of the top plate and the upper end of the outer surface of the side leg is It can be made as small as possible and can improve its appearance.

  (2) A top plate in which the top plate is slidable in the front-rear direction on a top plate support formed by connecting a pair of left and right side legs facing in the front-rear direction by a connecting rod facing in the left-right direction. In the sliding desk, on the upper surfaces of the left and right side legs, a concave groove facing upward and downward is provided, and an upper piece, an inner piece hanging from the inner edge and the outer edge of the upper piece, and A guide rail receiving member having an outer piece facing in the front-rear direction is fitted and fixed so that the upper portion protrudes upward from the upper surface of the side leg, and is fixed to the upper piece and the inner piece of the guide rail receiving member. The guide rail device is provided with a long notch in the front-rear direction that opens continuously upward and inward from each other, and in which the movable rail can slide relative to the fixed rail in the front-rear direction. The fixed rail is placed on the guide rail receiving member. A horizontal piece that faces the inner side from the upper end of the mounting piece in a bracket that is fixed to the outer piece and that has a vertical mounting piece fixed to the movable rail, and extends inward from the notch. Secure the horizontal piece of the bracket to the bottom of the top plate.

  With such a configuration, the same effect as the solution of the above item (1) can be obtained, and the guide rail device is fitted in the groove while the guide rail device is attached to the guide rail receiving member. In addition, the workability of assembling the guide rail device can be further improved by fixing the guide rail receiving member to the side legs.

  (3) In the above item (1) or (2), the front upper parts of the left and right side legs are connected to each other by a connecting rod facing in the left-right direction, and a guide roller is mounted on the upper surface of the connecting rod in the left-right direction. It is mounted so as to be rotatable around the axis line facing, and the lower surface of the top plate is guided by this guide roller.

  With such a configuration, the top plate can be stably supported and can be smoothly slid in the front-rear direction.

  (4) In any one of the above items (1) to (3), there is provided a restricting means for restricting the range of movement of the top plate in the front-rear direction, and the top plate is locked at the rear limit position and the intermediate position. A locking means is provided.

With such a configuration, the top plate can be securely locked at the rear limit position and the intermediate position, and can be prevented from moving to the paranoia.
When the top plate is moved to the front limit position, the upper surface of the device housing space formed at the rear of the top plate support can be opened, and the monitor or computer terminal device housed in the device housing space can be opened. It can be taken out upward.
In addition, by moving the top plate to an intermediate position and locking the top plate by the locking means at that position, the device lifting mechanism and wiring are connected to the rear of the top plate while the device is pulled up on the top plate. The device can be used in a state of being inserted through the opening formed in the rear portion of the device housing space. be able to.

  (5) In any one of the above items (1) to (4), the front portions of the left and right side legs in front of the moving range of the brackets are connected to each other with a connecting rod facing in the left-right direction.

  With such a configuration, the guide rail device and the bracket can be prevented from being exposed forward by the connecting rod, and the appearance can be improved.

  According to the present invention, the gap between the lower surface of the top plate and the upper ends of the side legs can be made small, and the top plate can be supported in a stable, reliable and smooth sliding manner in the front-rear direction. It is possible to provide a slidable tabletop sliding desk.

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. It is a disassembled perspective view of the attachment part of a guide rail apparatus. FIG. 3 is a partially enlarged longitudinal side view taken along line VII-VII in FIG. 2. It is a vertical front view of the part similar to FIG. 5 which shows the modification of this invention.

Hereinafter, a first embodiment of the present invention will be described with reference to the accompanying drawings.
As shown in FIG. 1 to FIG. 4, the top-sliding table is configured by supporting a horizontally long top plate 1 so that it can slide in the front-rear direction by a top-plate support 2 below.
The top plate support 2 is connected to the rear ends of a pair of left and right side legs 3 and 3 that face in the front-rear direction and are substantially U-shaped in a side view with a curtain plate 4 that faces in the left-right direction. It is formed by connecting upper front parts and intermediate parts with front and rear connecting rods 5 and 6 (see FIGS. 2 and 4) facing left and right.

  A front cover 7 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 8 is formed between the curtain plate 4 and the front cover 7. Yes.

  As shown in FIG. 5 and FIG. 6, a concave groove 9 that opens upward is provided at the upper end of each side leg 3. A tubular guide rail receiving member 10 is fitted so that the upper portion protrudes upward from the upper surface of the side leg 3, and the bottom piece 11 has a fixing means such as a plurality of fixing screws 12, and the bottom surface of the concave groove 9. It is fixed to.

The guide rail receiving member 10 includes the bottom piece 11, an outer piece 13 having a hollow double wall structure rising from the outer edge thereof, an upper piece 14 facing inward from the upper end thereof, and an inner edge of the upper piece 14. And an inner piece 15 depending from the inside.
The upper piece 14 and the inner piece 15 are each provided with a notch 16 that is long in the front-rear direction and opens upward and inward.

  In order to make the outer piece 13 have a hollow double wall structure, a reinforcing member 17 is provided at an intermediate portion of the guide rail receiving member 10 excluding the front and rear portions of the notch 16. The reinforcing member 17 is fixed to the upper surface of the bottom piece 11 of the guide rail receiving member 10, and a lower piece 17 a that forms a part of the bottom piece 11, and an upstanding piece that forms a part of the outer piece 13. 17 b and an upper piece 17 c that is bent outward from the upper end of the standing piece 17 b and is fixed to the lower surface of the upper piece 14 to form a part of the upper piece 14.

  In the notch 16 of the guide rail receiving member 10, a guide made of a well-known suspension rail that allows the movable rail 19 to slide smoothly in the front-rear direction via a plurality of balls 20 with respect to the fixed rail 18. The rail device 21 is accommodated, and the fixed rail 18 is fixed to substantially the second half of the upright piece 17b of the reinforcing member 17 forming a part of the outer piece 13 by fixing means such as a plurality of fixing screws 22.

  A work hole 23 for screwing the fixed rail 18 is provided at an appropriate position of the movable rail 19, and the fixed rail 18 is screwed to the standing piece 17 b of the reinforcing member 17 through the work hole 23. .

  A vertical mounting piece 24a of the bracket 24 is fixed to the inner surface of the movable rail 19 by fixing means such as a fixing screw 25, and a horizontal piece 24b facing inward from the upper end of the mounting piece 24a of the bracket 24 is notched. 16 extends inward and is fixed to the lower surfaces of both side portions of the top plate 1 by fixing means such as fixing screws 26.

  Incidentally, as an assembling procedure, after the guide rail device 21 is mounted on the guide rail receiving member 10, they are integrated into the concave groove 9 of the side leg 3, and the guide rail receiving member 10 is inserted into the concave groove. 9 is preferably screwed to the bottom surface.

  By attaching the top board 1 to the top board support 2 as described above, as shown in FIG. 5, the distance between the top board 1 and the upper surface of the guide rail receiving member 10, that is, the top board 1 and the top board support. The distance S from the body 2 can be made minute so that the top plate 1 does not rub against each other when the top plate 1 is moved back and forth, and the upper portion of the guide rail receiving member 10 protrudes stepwise from the upper surface of the side leg 3. By doing so, the design can be improved.

  Further, the top plate 1 has a range from the rear limit position A shown by an imaginary line in FIG. 2 which is a movable range of the movable rail 19 in the guide rail device 21 to the front limit position B with respect to the top plate support 2. , Can move smoothly in the front-rear direction.

  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.

  As shown in FIGS. 2 and 4, long grooves 27, 27 facing in the front-rear direction are provided on the lower surfaces of both side portions of the top plate 1, and the upper surfaces of both side portions of the front connecting rod 5 are provided in the long grooves 27, 27. By fitting a pin (or roller) 28 projecting on the top plate 1, the range of movement of the top plate 1 in the front-rear direction is restricted, and the top plate 1 is guided so that it can smoothly move back and forth.

  In addition, a plurality of guide rollers 29 that contact the lower surface of the top plate 1 and guide the top plate 1 so that the front plate 1 can be smoothly moved back and forth are directed to the left and right directions on the upper surfaces of both sides of the front connecting rod 5. It is pivotally attached with a shaft 30.

  As shown in FIGS. 2 and 7, the top plate 1 is raised at the center in the left-right direction of the front connecting rod 5 and the rear end position A and the rear end of the top plate 1 are raised as will be described later. There is provided a locking means 31 that can contact with the front surface of the lifting column 43 at this time or can be locked at the adjacent half-open position C.

The locking means 31 includes a rectangular case 33 having a lower end that is fitted into a rectangular opening 32 provided at the center of the connecting rod 5.
In the case 33, an upper end portion of the operation lever 34 facing downward is pivotally attached with a shaft 35 facing in the left-right direction, and a rear end portion of the operation piece 34a facing rearward from the upper end portion of the operation lever 34 is Through the opening 36 provided on the upper wall of the case 33, an engaging pin 34b having an angular axis shape that can protrude upward and downward from the upper surface of the case 33, that is, the upper surface of the top support 2 is integrally provided. Then, by rotating the lower end portion of the operation lever 34 forward, the engagement pin 34b is rotated downward and is immersed below the upper surface of the top plate support.

  The operation lever 34 branches from the base of the operating piece 34 a to the upper end of the operation lever 34, extends rearward and downward, and the front end presses against the forward bent piece 33 a in the rear lower part of the case 33, so that the operation lever 34 is In addition, an elastic tongue piece 34c is integrally provided which forms an urging means for urging the engaging pin 34b upward from the upper surface of the top plate support 2, that is, counterclockwise in FIG.

  On the lower surface of the central portion of the top plate 1, two front and rear engagement holes are formed so that the engagement pins 34b can be fitted when the top plate 1 is located at the rear limit position A and the half-open position C. 37 and 38 are provided.

  Therefore, by this locking means 31, 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 34 is moved forward. By pulling on and performing a release operation, the locked state can be easily released.

In the device housing space 7 of the top support 2, three device lifting / lowering means 39 are arranged side by side in the left-right direction.
As shown in FIG. 3 and FIG. 4, each device elevating means 39 is configured so that the upper end portions and the lower end portions of a pair of left and right guide rails 40, 40 facing in the vertical direction in an inward U shape in a plan view are horizontally By connecting with connecting members 41, 41, a support frame 42 is formed, fixed to the curtain plate 4, and on both side surfaces of a lifting / lowering body 44 in the form of a horizontal rectangular frame having an elevating column 43 standing in the center. A pair of upper and lower guide rollers 45, 45 are fitted to the left and right guide rails 40, 40, and each strip 47 in the pair of left and right constant load springs 46, 46 attached to both sides in the lifting body 44. Is fixed to the upper horizontal connecting member 41 and is urged to lift the elevating body 44 upward by the two constant load springs 46, 46. The handle 48 and the lifting column 4 are provided. A device such as a personal computer display 50 is pivotally attached to a bracket 49 attached to an intermediate portion of the personal computer with a shaft 51 that faces in the left-right direction, so that the display 50 can be swung in the vertical direction. With the handle 48 moved to the limit position B and the opening at the upper end of the device housing space 7 opened, the lifting column 43 and the display 50 attached thereto are housed as shown in phantom lines in FIG. As indicated by the solid line, the display 50 can be moved up and down from a storage position D stored in the space 7 to a use position E positioned above the top plate 1.

  The urging force of the constant load springs 46, 46 is preferably set so as to balance the weight of the entire portion that moves up and down, that is, the entire lifting column 43, the lifting body 44, the display 50, and the like.

  At a position below the display 50 on the front surface of the lifting column 43, there is a stopper 52 that abuts against the upper surface of the top plate 1 located at the half-open position C and prevents the lifting column 43 from descending. Has been.

As shown in FIG. 1, a storage box 53 is provided at the center in the left-right direction below the top plate 1, in which two PC main bodies 54, 54 are stored, and for the display 50 on both the left and right sides. When not in use, the keyboard 55 can be accommodated in a tray 56 fixed to the connecting rod 5 below the top plate 1.
In this example, text is displayed on the central display 50, and two students can learn using the left and right displays 50 and the keyboard 55. However, the usage mode of the three displays 50 is not limited to this.

  Since this top plate slide type 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. The lower end of the operating lever 34 is pulled forward, the engaging pin 34b is disengaged from the engaging holes 37, 38, and the top plate 1 is moved to the front limit position B. The display 50 attached thereto can be lifted right up to the use position E, and then the top plate 1 is returned to the half-open position C and the engagement pin 34b is engaged with the engagement hole 38. The display 50 can be easily used.

  At this time, the stopper 52 comes into contact with the upper surface of the top plate 1 located at the half-open position C, so that the ascending / descending column 43 and the display 50 are reliably prevented from descending, thereby improving safety. it can.

In this state of use, the lower end of the operating lever 34 is pulled forward, the engaging pin 34b is disengaged from the engaging hole 38, and the top plate 1 is moved to the front limit position B. 43 and the display 50 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 34b with the engagement hole 37. Thus, the display 50 can be easily accommodated in the accommodating position D and the top plate 1 can be fixed at the rear limit position A.
A lifting stop device is provided for preventing the display 50 from jumping out of the storage position D.

The present invention is not limited to the above-described embodiment, and can be implemented in various modified forms.
For example, as shown in FIG. 8, a concave groove 61 is provided on the upper surface of the left and right side legs 60 and faces in the front-rear direction and opens upward and inward. The concave groove 61 is movable with respect to the fixed rail 62. In the bracket 65 in which the rail 63 accommodates the guide rail device 64 that is slidable in the front-rear direction, the fixed rail 62 is fixed to the outer side surface of the concave groove 61, and the vertical mounting piece 65 a is fixed to the movable rail 63. The horizontal piece 65b facing inward from the upper end of the attachment piece 65a may be extended inward from the concave groove 61, and the horizontal piece 65b of the left and right brackets 65 may be fixed to the lower surface of the top plate 1. Good.

  Further, the left and right pairs of the locking means 31 may be provided, the operation lever 34 of the locking means 31 may be provided on the top plate 1 side, and the engagement holes 37 and 38 may be provided on the top plate support 2 side. .

A Rear limit position B Front limit position C Semi-open position D Storage position E Usage position S Interval 1 Top plate 2 Top plate support 3 Side leg 4 Curtain plate 5, 6 Connecting rod 7 Front cover 8 Equipment storage space 9 Groove 10 Guide Rail receiving member 11 Bottom piece 12 Fixing screw 13 Outer piece 14 Upper piece 15 Inner piece 16 Notch 17 Reinforcing member 17a Lower piece 17b Standing piece 17c Upper piece 18 Fixed rail 19 Movable rail 20 Ball 21 Guide rail device 22 Fixing screw 23 Working hole 24 Bracket 24a Mounting piece 24b Horizontal pieces 25, 26 Fixing screw 27 Long groove 28 Pin 29 Guide roller 30 Shaft 31 Locking means 32 Opening 33 Case 33a Forward bent piece 34 Operation lever 34a Actuating piece 34b Engaging pin 34c Elastic tongue piece 35 Shaft 36 Opening 37, 38 Engagement hole 24 Damper 25, 26 Shaft 39 Equipment lifting means 40 Guide rail 41 Lateral connection 42 Support Frame 43 Lifting Column 44 Lifting Body 45 Guide Roller 46 Constant Load Spring 47 Band 48 Handle 49 Bracket 50 Display 51 Axis 52 Stopper 53 Storage Box 54 PC Main Body 55 Keyboard 56 Tray 60 Side Leg 61 Groove 62 Fixed Rail 63 Movable Rail 64 Guide rail device 65 Bracket 65a Mounting piece 65b Horizontal piece

Claims (5)

A top-sliding table with a top plate slidable in the front-rear direction on a top support that is formed by connecting a pair of left and right side legs facing in the front-rear direction with a connecting rod facing in the left-right direction. In
A guide rail device is provided on the upper surfaces of the left and right side legs with a groove extending in the front-rear direction that opens upward and inward, and the movable rail can slide in the front-rear direction relative to the fixed rail in the groove. A horizontal piece facing inward from the upper end of the mounting piece in the bracket in which the fixed rail is fixed to the outer side surface of the concave groove and the vertical mounting piece is fixed to the movable rail from the concave groove. A top-sliding type desk characterized by extending toward the inside and fixing the horizontal pieces of the left and right brackets to the bottom surface of the top board. A top-sliding table with a top plate slidable in the front-rear direction on a top support that is formed by connecting a pair of left and right side legs facing in the front-rear direction with a connecting rod facing in the left-right direction. In
The upper surface of the left and right side legs is provided with a concave groove that opens upward in the front-rear direction, and the concave groove has an upper piece and inner and outer pieces depending from the inner and outer edges of the upper piece. The guide rail receiving member facing in the front-rear direction is fitted and fixed so that the upper part protrudes upward from the upper surface of the side leg, and is continuously connected to the upper piece and the inner piece of the guide rail receiving member. A long notch is provided in the front and rear direction that opens upward and inward, and a guide rail device that allows the movable rail to slide in the front and rear direction relative to the fixed rail is accommodated in the notch. A horizontal piece that is fixed to the outer piece of the guide rail receiving member and that faces the inner side from the upper end of the mounting piece in the bracket that is fixed to the movable rail is extended inward from the notch. Let left Top plate sliding desk, wherein a horizontal plate fixed to the lower surface of the top plate of the bracket.   The front upper parts of the left and right side legs are connected to each other by a connecting rod that faces in the left-right direction, and a guide roller is mounted on the upper surface of the connecting rod so as to be rotatable about an axis that faces in the left-right direction. The top-sliding table according to claim 1 or 2, wherein the bottom surface of the top plate is guided.   The control means according to any one of claims 1 to 3, further comprising a restricting means for restricting a range of movement of the top plate in the front-rear direction, and a locking means for locking the top plate at a rear limit position and an intermediate position. Top plate slide type desk.   The top-sliding table according to any one of claims 1 to 4, wherein the front portions of the left and right side legs are connected to each other with a connecting rod facing in the left-right direction.

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