JP4377202B2 - table - Google Patents

Description

  The present invention relates to a table used in an office office space or the like, and more particularly to a structure of a top plate and a frame or the like that supports the table.

In this type of conventional table, a support leg is directly fixed to the lower surface of the top plate (see, for example, Patent Document 1), or upper ends of a plurality of support legs are connected to each other with a connecting rod or a frame material. There are those in which a body is formed and a top plate is placed thereon (see, for example, Patent Documents 2 and 3).
Japanese Patent Laid-Open No. 08-224130 (FIG. 3) Japanese Unexamined Patent Publication No. 2000-245553 (FIG. 1) Japanese Patent No. 3347089 (FIG. 2)

  In the case where the support leg is directly fixed to the lower surface of the top plate, the strength of the top plate surface depends only on the top plate, so the top plate cannot be made thin. The joint must be strong.

  In the case where the support body is formed by the support legs and the connecting rods and the top plate is placed thereon, if the dimensions of the support body in the front-rear direction and the left-right direction are substantially the same as the top plate, the center of the top plate The rigidity of the part is reduced, the connecting rods are exposed to the side, the appearance is bad, and conversely, the dimensions of the support body in the front-rear direction and the left-right direction are smaller than the top board, If it arrange | positions to a part, the rigidity of the corner | angular part of a top plate and another peripheral part will fall, and those parts will bend easily.

  In view of the above-mentioned problems of the prior art, the present invention can stably support the top plate while maintaining sufficient strength and rigidity over the entire top plate, and thin the top plate. The object of the present invention is to provide a table having a good appearance, which is simple in structure and convenient for wiring work behind the top plate.

According to the present invention, the above problem is solved as follows.
(1) The front end portions and the rear end portions of a pair of frame rods facing in the front-rear direction are connected to each other by the front and rear frame rods facing in the left-right direction to form a rectangular frame body in plan view. A corner member having an extending portion extending outward from the corner portion is fitted and fixed to each corner portion, and the frame body and the corner member are supported substantially horizontally by the support body. The top plate having dimensions in the front and rear direction and the left and right direction larger than that of the frame body by the frame body and the corner member so that each corner portion thereof is located above the extending portion of each corner member. In addition, it is attached to be movable forward in a range shorter than the distance between the rear end of the top plate and the rear end of the frame .

(2) In the above section (1), the corner member engages with the upper surface of the corner portion of the frame body, and extends from the corner portion toward the outer side to form an extended portion; A hanging piece that hangs down from the upper surface plate and abuts against two side surfaces that form the corners of the frame, and has bolts that penetrate the frame from the inner corners to the outer corners of the corners of the frame. The corner member is fastened to the corner of the frame.

With such a configuration, the corner member can be firmly and well attached to the corner of the frame with a single bolt.

(3) In the above item (2), the handle is formed by extending the upper surface plate in a direction orthogonal to each hanging piece.

With such a configuration, the table can be lifted by placing a hand on the handle portion of the corner member, and the hand is not directly put on the top plate, so that the top plate can be further thinned. it can.

(4) In the above item (2) or (3), the engagement hole is fitted into one of the hanging piece of the corner member and the side surface of the frame opposite thereto, and the other is fitted into the engagement hole. An engagement protrusion is provided.

With such a configuration, the bonding strength between the corner member and the frame can be increased, and the corner member can be easily positioned when the corner member is assembled to the frame.

(5) In any one of the above items (2) to (4), a corner top plate receiving member for receiving the lower surface of the corner of the top plate is provided on the upper surface of the extended portion of the upper surface plate in the corner member.

With such a configuration, each corner of the top plate can be stably supported by the corner top plate receiving member provided on the upper surface of the extending portion of the corner member.

(6) In the above item (5), a plurality of top plate receiving members having the same height as the upper surface of the corner top plate receiving member are provided on the upper surface of the frame.

With such a configuration, the entire top plate is stably supported by the plurality of top plate receiving members provided on the upper surface of the frame body together with the corner top plate receiving member provided on the upper surface of the extending portion of the corner member. can do.

(7) In any one of the above items (1) to (6) , a long hole facing in the front-rear direction is provided on the upper surface of the frame, and the bottom hole is slidable in the front-rear direction in the long hole. By projecting the headed pin to be fitted, the top plate can be moved forward with respect to the frame.

With such a configuration, the top plate can be moved in the front-rear direction with respect to the frame body with a simple structure.

According to invention of Claim 1, there can exist the following effects.
(1) A top plate is formed by a rectangular frame formed by connecting four frame rods in a mouth shape, and a corner member having extending portions extending radially from each corner of the frame. Since each corner is attached so that it is located above the extension part of each corner member, while maintaining sufficient strength and rigidity over the entire top plate, the top plate can be stably supported, The top plate can be thinned.
(2) The frame body is located at the center of the lower surface of the top plate, and only the extending portions of the corner members extend near the outer peripheral edge of the top plate. Is good.
(3) When performing wiring work behind the top plate, the top plate can be moved slightly forward with respect to the frame, thereby forming a wiring work space behind the top plate. So convenient.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
As shown in FIGS. 1 to 3, below the top plate (1) that is long in the left-right direction, a square frame in plan view that has smaller dimensions in the front-rear direction and the left-right direction than the top plate (1). A body (2) is disposed, and this frame (2) is supported by a support body (5) comprising a right sleeve box (3) and a pair of left and right legs (4) and (4). It is supported almost horizontally at a required height from the floor surface, and a top plate (1) is mounted almost horizontally on the upper surface.

  The frame (2) is made of a pair of square tubes made of a pair of square tubes facing in the front-rear direction, and a pair of square tubes made of a pair of square tubes in the left-right direction. It is formed by welding the frame rods (7) and (7) together.

  On the upper surfaces of the left and right frame rods (6) and (6), there are two front and rear daruma holes (8) and (8), each of which has a long hole (8b) facing the rear at the rear of the circular hole (8a). It is drilled at intervals in the front-rear direction. Two connecting holes (9) and (9) for connecting to the sleeve box (3) are formed on both sides of the front and rear frame rods (7) and (7).

  Further, on the upper surfaces of the left and right frame rods (6) and (6) and the front and rear frame rods (7) and (7), as shown in FIG. The plate receiving member (10) engages a plurality of engaging claws (10a) provided at the lower end thereof with the edge of the mounting hole (11) drilled at an appropriate position on the upper surface of each frame rod (6) (7). It is installed by.

As shown in FIG. 4 to FIG. 7, a corner pad material (12) of a right triangle is fixed to an inner corner of each corner of the frame (2), and this corner pad (12) and the frame (2 ) Are formed with straight through holes (13) extending from the inner corners to the outer corners of the respective corners.
In addition, horizontally long engagement holes (14) are formed on both side surfaces sandwiching each corner of the frame (2).

  At the outer corners of the front and rear corners of the left side and the front and rear corners of the frame (2), the corner member (15) for connecting the leg (4) and the leg (4) for non-connecting The corner members (16) are respectively fitted and fixed.

Both corner members (15) and (16) have almost the same structure except for the connecting portion of the leg (4), and the design is unified.
That is, both the corner members (15) and (16) are engaged with the upper surface of the corner portion of the frame (2) and directed outward from the corner portion in the direction of the bisector of the outer angle. An upper surface plate (18) that extends to form an extended portion (17), and a hanging piece that is suspended from the upper surface plate (18) and contacts two side surfaces that form the corners of the frame (2) ( 19). Further, the handle portion (21) is formed by extending the upper surface plate not only in the direction of the extending portion (17) but also in the direction orthogonal to each hanging piece (19).
If necessary, a short inward piece (not shown) bent at a right angle from the lower end of each drooping piece (19) is provided, and this is provided on the peripheral edge of the frame (2). The corner members (15) and (16) may be more firmly engaged with the frame (2) by engaging with the lower surface.

  A leg mounting part (17a) having a square shape in a plan view is formed at the tip of the extension part (17) in the corner member (15) for connecting the leg (4), and a leg as a square tube is formed on the lower surface thereof. An insertion portion (22) is formed so as to be fitted into the upper end opening of (4). A connecting piece (23) is provided on the lower surface of the extension part (17) to connect the insertion part (22) and the corner of the hanging piece (19) (19). A screw hole (25) is provided in which the tip of a bolt (24) inserted from the inside of the corner of the frame (2) through the hole (13) is screwed.

A notch (26) for fitting the connecting piece (23) is provided at one corner of the upper end of the leg (4).
Insert the insertion part (22) into the upper end opening of the leg (4) so that the connecting piece (23) fits into the notch (26), and in that state, insert part (22) and the upper leg By screwing the insertion part (22) and the leg (4) with the bolt (27) penetrating the mounting part (17a), the leg (4) is firmly connected to the corner member (15). Yes.

  Further, on the upper surface of the leg mounting portion (17a) of the corner member (15), the lower surface of the corner portion of the top plate (1) is utilized by using a step hole (28) for fitting the head of the bolt (27). An insertion portion (29a) of a circular corner top plate receiving member (29) is press-fitted.

  Similarly to the connecting piece (23) of the corner member (15), the corner member (16) is also attached to the frame (2) on the lower surface of the extending portion (17) of the corner member (16) for non-connecting legs (4). ) Is provided with a rib (30) provided with a screw hole (25) into which a tip of a bolt (24) for fixing to a corner of the screw (24) is screwed.The rib (30) faces the tip. The lower surface is inclined upward so as to be a pointed tip.

  On the upper surface of the tip of the extension portion (17) in the corner member (16), the insertion portion (29a) of the same corner top plate receiving member (29) receiving the lower surface of the corner portion of the top plate (1) is provided. ) Is press-fitted. The heights of the upper surface of the corner top plate receiving member (29) mounted on both corner members (15) and (16) and the upper surfaces of the other top plate receiving members (10) are all equal.

  Each hanging piece (19) in both corner members (15) and (16) is provided with a shallow horizontal rectangular recess (32), and two optional member mounting holes (on the bottom wall of the recess (32) ( 33) (33) is drilled. When the option member (not shown) is not attached, the option member attachment holes (33) (33) and the recess (32) are closed by the cap (34).

  Further, on the inner side surface of the free end portion of each drooping piece (19), an engagement projection piece (fitting to the engagement hole (14) provided on each side surface in the vicinity of each corner portion of the frame (2) ( 35) is provided. The edge on the corner side of the hanging piece (19) in this engaging protrusion (35) is the angle of each corner member (15), (16) at the corner of the frame (2) outside the corner. When being fitted from the direction of the bisector, it is obliquely cut so as to be parallel to the direction of the extending portion (17) so as not to hinder the fitting.

  In this embodiment, the left side of the frame (2) is supported as described above with the two front and rear legs (4) and (4), and the right side of the frame (2) is supported by the frame ( 2) Fastened to the upper surface of the sleeve box (3) with bolts (36) and (36) inserted through the two connecting holes (9) and (9) provided on the right side of the front and rear frame rods (7). It is firmly supported by the sleeve box (3).

On the bottom surface near the left and right sides of the top plate (1), two large and small ridges (37b) and 37mm (37c) are connected to the upper and lower ends of the cylinder (37a). Each grommet (37) is fastened with screws (38).
The outer diameter of the cylindrical body (37a) is substantially the same as the width of the long hole (8b) in the daruma hole (8), and the outer diameter of the small diameter rod (37c) is the circular hole (8a) in the daruma hole (8). It has a smaller diameter and a larger diameter than the width of the long hole (8b), and the outer diameter of the large diameter flange (37b) is larger than that of the circular hole (8a).

  The top plate (1) fits the small-diameter rods (37c) of the four grommets (37) and the cylinders (37a) into the circular holes (8a) of the corresponding daruma holes (8), and then As shown in FIG. 2, the top plate (1) is moved backward so that the cylindrical body (37a) is fitted into the long hole (8b) and brought into contact with the rear end of the long hole (8b). The frame body (2) is held at a fixed position located substantially at the center of the lower surface of the top plate (1).

  The length of the cylinder (37a) in the grommet (37) and the thickness of the large diameter rod (37b) are set to the height of the top plate receiving members (10) (29) from the upper surface of the frame (2). When the top plate (1) is in a fixed position, the top plate (1) is positioned between the grommet (37) and the long hole (8b) of the frame (2). It is preferable to prevent the top plate (1) from moving forward due to frictional resistance between the lower surface of the top plate and the top plate receiving members (10) and (29). However, if necessary, a means for giving an appropriate resistance to the forward movement of the top plate (1) from the fixed position and a locking means for locking the top plate (1) at the fixed position are provided separately. May be.

By moving the top plate (1) forward from a fixed position against the resistance force as described above, as shown in FIG. 9, the wiring is placed behind the top plate (1) and the frame (2). A working space (39) can be formed.
The amount of forward movement of the top plate (1) at this time is approximately equal to the distance from the rear end of the top plate (1) to the rear end of the frame (2) when it is in a fixed position. It is preferable to leave. For this purpose, the length of each daruma hole (8) is preferably made substantially equal to the above distance.

According to the table of this embodiment, a rectangular frame (2) formed by connecting four frame rods (6) and (7) in a mouth shape, and radially extending from each corner of the frame. With the corner members (15) and (16) having the extension portions (17), the corners of the top plate (1) are positioned above the extension portions (17) of the corner members (15) and (16). Thus, while maintaining sufficient strength and rigidity over the entire top plate (1), the top plate (1) can be stably supported and the top plate (1) can be thinned. be able to.
The frame (2) is located at the center of the lower surface of the top plate (1), and near the outer periphery of the top plate (1), the extended portions (17) of the corner members (15) and (16). Since it is only extended, the frame is not conspicuous and the appearance is good.

  Furthermore, with the configuration specified by each claim, the above-described unique effects can be achieved as the effects of the invention.

  In the above embodiment, the left side of the frame (2) is supported by a pair of front and rear legs (4) (4), and the right side of the frame (2) is supported by a single sleeve box (3). However, for example, by supporting the right side of the frame (2) with a pair of front and rear legs (4) and (4) having a symmetrical structure with the left side, a table with four legs can be formed. Alternatively, by supporting the left side of the frame (2) by the sleeve box (3) with a symmetrical structure with the right side, it can be used as a table with both sleeves. The design can be unified and such a change can be easily and quickly performed without disassembling the frame (2).

  Further, in the above-described embodiment, the top plate (8) is provided with a daruma hole (8) on the upper surface of the frame body (2), and the grommet (37) screwed to the lower surface of the top plate (1) is engaged therewith. 1) Not only can it be slid in the front-rear direction, but it can be easily attached to and detached from the frame body (2), but if the top plate (1) only needs to be slidable in the front-rear direction, A long hole (8b) facing the front-rear direction is provided on the upper surface of the frame (2), and a headed pin (not shown) protruding from the lower surface of the top plate (1) is slidably fitted in the front-rear direction. You just need to match.

It is a disassembled perspective view of one Embodiment of this invention. It is also a front view. It is a schematic plan view when a top plate is similarly removed. FIG. 3 is an enlarged cross-sectional plan view taken along line IV-IV in FIG. 2. It is a longitudinal cross-sectional view which follows the VV line of FIG. FIG. 3 is an enlarged cross-sectional plan view taken along line VI-VI in FIG. 2. It is a longitudinal cross-sectional view which follows the VII-VII line of FIG. It is an expansion disassembled perspective view of the principal part which shows the attachment condition of a top-plate receiving member. It is a schematic plan view when the top plate is shifted forward.

(1) Top plate
(2) Frame
(3) Sleeve box
(4) Leg
(5) Support
(6) (7) Frame 杆
(8) Daruma hole
(8a) Circular hole
(8b) Long hole
(9) Connecting hole
(10) Top plate receiving member
(10a) Engaging claw
(11) Mounting hole
(12) Corner pad
(13) Through hole
(14) Engagement hole
(15) (16) Corner member
(17) Extension part
(17a) Leg mounting part
(18) Top plate
(19) Hanging piece
(21) Hand part
(22) Insertion section
(23) Connecting piece
(24) Bolt
(25) Screw hole
(26) Notch
(27) Bolt
(28) Step hole
(29) Corner top plate receiving member
(29a) Insertion part
(30) Rib
(31) Receiving hole
(32) Recess
(33) Optional member mounting hole
(34) Cap
(35) Engagement protrusion
(36) Bolt
(37) Grommet
(37a) Tube
(37b) Large diameter bowl
(37c) Small diameter ridge
(38) Screw
(39) Space

Claims (1)

By connecting the front end portions and the rear end portions of a pair of frame rods facing in the front-rear direction to each other by the front and rear frame rods facing in the left-right direction, a frame body having a rectangular shape in plan view is formed. A corner member having an extending portion extending outward from the corner portion is fitted and fixed to the portion, and the frame body and the corner member are supported substantially horizontally by a support body, and the frame by the body and the corner member, so as to top plate where the dimension in the longitudinal direction and the lateral direction is larger than the frame, its corners located above the extending portion of each corner member, also heaven A table mounted so as to be movable forward in a range shorter than the distance between the rear end of the plate and the rear end of the frame .

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