JP2004159694A - Top plate supporting structure of table or the like - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a top plate supporting structure of a table or the like in which angle setting and support fixation of two top plate supporting frame bodies to a bracket are accurately and surely performed. <P>SOLUTION: The top plate supporting structure has a top plate 2, a plurality of columns, the bracket B1 for supporting the top plate 2 on one side and attached to the column on the other side, and the top plate supporting frame body bridged between two columns and supported by the bracket. The bracket B1 is constituted such that two connection beams F1 and F2 are selectively and respectively supported and fixed at an optional angle position. Thus, even when a top plate shape is changed, the top plate supporting frame body is accurately and surely disposed on the bracket B1. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a top plate, a plurality of columns, a bracket supporting the top plate on one side and attached to the columns on the other side, and a top plate support frame supported by the bracket bridged between two columns. And a top plate support structure such as a table or a desk having
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a table is known in which a top support frame can be attached to a support so as to be able to change its angle so that the same support can be used even if the shape of the top changes. (See Patent Document 1).
[0003]
[Patent Document 1]
Japanese Patent Publication No. 7-111205 (page 2, FIG. 1, 11)
[0004]
[Problems to be solved by the invention]
However, in the above-mentioned Patent Document 1, the corner joints forming the ends of the top plate supporting frame are vertically overlapped, the opening angle of the two is determined, and then the upper joint is screwed to the upper corner joint with one screw. At the same time, the top support frames were tightened. For this reason, if the screw is tightened too much during tightening, the set angle position will change due to the co-rotation, and if it is loose, the set angle position will not be determined, and in any case, the mounting screw when mounting the top plate to the top support frame There was a risk that the position would shift.
[0005]
The present invention has been made in view of such a situation, and provides a top plate support structure such as a table that can accurately and reliably perform angle setting and support fixing of two top plate support frames with respect to a bracket. It is intended for that purpose.
[0006]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, a top plate supporting structure such as a table of the present invention includes a top plate, a plurality of columns, a bracket supporting the top plate on one side and attached to the columns on the other side, and two A top support structure, such as a table, having a top support frame supported by the bracket bridged between supports, wherein the bracket selectively positions the two top support frames at arbitrary angular positions. It can be supported and fixed.
According to this feature, since the two top plate support frames can be supported and fixed at arbitrary angular positions, the top plate support frame can be accurately and reliably disposed on the bracket even if the shape of the top plate changes.
[0007]
In the top plate support structure such as a table according to the present invention, it is preferable that the bracket and the top plate support frame are rotatably supported by fitting a shaft and a hole, and are fixed by bolts inserted through the shaft.
With this configuration, the rotating section and the fixed section can be performed on the same axis, so that the structure is simple and easy to assemble.
[0008]
In the top plate support structure such as a table according to the present invention, the selection of the angular position of the top plate support frame with respect to the bracket includes a plurality of holes or pins provided on one side and a correspondingly provided pin or pin provided on the other side. It is preferably a hole.
With this configuration, the top plate support frame is positioned with respect to the bracket by fitting the pin and the hole, so that the top plate support frame does not deviate from the bracket even when tightened and fixed. Does not wake up.
[0009]
In the top plate support structure such as a table according to the present invention, it is preferable that the top plate support frame is composed of an intermediate beam and a connection beam, and the connection beam is supported and fixed to the bracket.
In this way, it is possible to cope with various top plate supporting frames having different lengths by changing the length of the intermediate beam.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1A is a plan view of a table employing a top plate supporting structure according to an embodiment of the present invention, and FIG. 1B is a sectional view taken along line XX of FIG. 1B, and FIG. FIG. 2 is a partially enlarged plan view showing a main part of the top plate support structure, FIG. 3 is an explanatory view of the operation of the top plate support frame, FIG. 4A is a plan view of the bracket, and FIG. 5A is a plan view of the top plate supporting frame, FIG. 5B is a cross-sectional view taken along the line AA of FIG. 5A, and FIG.
[0011]
Reference numeral 1 shown in FIG. 1 is a table. The table 1 includes a top plate 2 and four columns 4a, 4b, 4c, and 4d that support the top plate 2. These columns 4a, 4b, Brackets B1, B2, B3, and B4 are interposed between the tops of 4c and 4d and the lower surface of the horizontally long rectangular top plate 2, respectively.
[0012]
That is, as shown in FIGS. 2 and 4, the brackets B1 to B4 each have an extension portion 7 having a column mounting portion 8a (see FIG. 4b) projecting from the top of the column 4a to 4d via a bolt. A top plate mounting portion 8 (hatched portion) is formed upright from the extension portion 7.
[0013]
As shown in FIGS. 4A and 4B, the top plate mounting portion 8 has a large number of screw holes formed on an upper surface on which the top plate 2 is mounted. It has stepped surfaces 10a and 10b which are formed low, and is spaced apart from the top plate mounting portion 8 and has a column mounting portion 8a standing upright on the upper surface of the extending portion 7 and formed flush.
[0014]
A female screw is formed in the column mounting portion 8a, and brackets B1 to B4 are mounted on the tops of the columns 4a to 4d by bolts (not shown) inserted from below the column. A pair of fitting bosses 12a and 12b serving as shafts having insertion holes h1 and h2 project from the upper surface of the support surface 7b of the extension portion 7.
[0015]
Further, as shown in FIG. 2, a pair of positioning pins P1 and P2 (shown by black circles in the figure) that fit into a plurality of positioning holes on the upper surface of the connection beams F1 and F2 that constitute a part of a top plate support frame described later. ) Is protruding.
[0016]
Next, the top plate supporting frame will be described with reference to FIGS. 1, 2, and 5. FIG. The top plate support frame X is composed of connecting beams F1 and F1 ′ arranged opposite to each other and an intermediate beam 6 connected therebetween, and similarly, the connecting beams F4 and F4 ′ and an intermediate beam 6 connected therebetween. It is composed of the connecting beams F2 and F3 and the intermediate beam 5 connected therebetween, and the connecting beams F2 and F2 ′ and the intermediate beam 5 connected therebetween.
[0017]
Since all of these connection beams have the same configuration, a specific connection beam F1 will be described.
[0018]
As shown in FIG. 5 (b), the height of the connecting beam F1 is formed between the upper surface of the support surface 7b of the bracket B1 and the top plate mounting portion 8, and the height and the width are the same as those of the connecting beam F1. It is formed in the same shape as the intermediate beam 6 to be connected, and has a box-shaped structure of a predetermined length having a hollow portion 22 in which the bottom surface and the inner surface of the top plate are partially open.
[0019]
Further, a boss 20 having an insertion hole 26 through which the shaft of the bolt 28 is inserted vertically is formed at one end of the connection beam F1, and a lower surface of the boss 20 can be inserted into the engagement boss 12a of the bracket B1. A mating hole 25b is formed, and a counterbore hole 25a for accommodating the head of the bolt 28 is formed on the upper surface.
[0020]
In addition, a stepped fitting protrusion 14 that can be fitted to the inner peripheral wall 6a at the end of the intermediate beam 6 is formed on the end surface of the rectangular cross section formed on the other end side of the connecting beam F1. Has a bolt insertion hole H formed therein.
[0021]
As shown in FIG. 5A, a plurality of positioning holes Q1, Q2, and Q3 are formed on an arc having a radius centered on the insertion hole 26 of the connection beam F1, and the radius is shown in FIG. It is equal to the distance from the center of the insertion hole h1 of the fitting boss 12a of the bracket B1 shown to the positioning pin P1. The positioning hole Q2 disposed in the middle is configured as two communicating positioning holes Q2′Q2 ″ approaching each other. Further, a bolt insertion hole 24 for mounting the top plate 2 is formed substantially at the center of the upper surface of the connection beam F1.
[0022]
Therefore, when the fitting holes 25b of the connecting beams F1 and F2 are inserted into the fitting bosses 12a and 12b of the bracket B1, and the positioning holes Q1 are inserted into the positioning pins P1 and P2 on the bracket B1, respectively. As shown in FIG. 2, the pair of connecting beams F1 and F2 can form an angle (90 degrees) orthogonal to each other.
[0023]
Next, as shown in FIG. 3, if Q3 is formed at an angle θ3 with respect to a straight line connecting the center of the fitting hole 25b and the positioning pin P1, the connecting beam F1 is inserted into the fitting boss 12a. Thereafter, when the positioning pin P1 is inserted into the outer positioning hole Q3 by rotating clockwise around the fitting hole 25b, a connecting beam is formed with respect to a straight line connecting the center of the fitting hole 25b and the positioning pin P1. F1 can be installed with an angle θ3 open.
[0024]
Hereinafter, similarly, if the positioning holes Q2 ′ and Q2 ″ are selected and inserted into the positioning pin P1, the connecting beam F1 is angled θ1 with respect to the straight line connecting the center of the fitting hole 25b and the positioning pin P1, respectively. It can be installed with θ2 open.
[0025]
Thus, according to the top plate support structure of the present invention, the two intersecting connection beams F1 and F2 can be supported and fixed at arbitrary angular positions by setting the positioning holes. Therefore, even if the shape of the top plate 2 is not only a horizontally long rectangle but also a polygonal shape, the positioning holes Q1 to Q3 of the connection beams F1 and F2 can be selectively inserted into the positioning pins P1. The intermediate beam can be accurately and reliably disposed on the bracket B1 at a predetermined crossing angle along each side constituting the outer periphery of the top plate 2.
[0026]
The bracket B1 and the connection beams F1 and F2 are rotatably supported by fitting the pair of fitting bosses 12a and 12b and the fitting holes 25b, and are inserted through the insertion holes 26 of the fitting bosses 12a and 12b. Since the rotating portion and the fixed portion can be fixed on the same axis, the structure is simple and easy to assemble.
[0027]
The selection of the angular positions θ1 to θ3 of the connection beams F1 and F2 with respect to the bracket B1 is performed by selecting a plurality of positioning holes Q1, Q2 and Q3 provided on one side and a pair of positioning pins provided correspondingly and fitted on the other side. Since the connection is performed by P1 and P2, the connecting beams F1 and F2 do not cause an angular displacement with respect to the bracket B1 even at the time of fastening and fixing.
[0028]
Next, a connection structure between the connection beams F1 and F2 and the intermediate beams 5 and 6 will be described with reference to FIGS.
[0029]
In a state where the inner peripheral wall 6a at the other end of the intermediate beam 6 is fitted to the fitting projection 14 formed on the other end side of the connecting beam F1 shown in FIG. Of the connecting beam F1 from the open bottom surface side of the connecting beam F1 through the bolt insertion hole H into the screw hole TH of the blind plate 6b joined inside one end of the connecting beam F1. And one end of the intermediate beam 6 are connected.
[0030]
Then, as shown in FIG. 1A, the opposite connecting beam F1 'is connected to the other end side of the intermediate beam 6, and the same is provided between the connecting beams F4 and F4' arranged to face each other. The intermediate beam 6 of the structure is connected.
[0031]
Similarly, the other end of the other connecting beam F2 disposed adjacent to the connecting beam F1 is connected to the intermediate beam 5 between the opposing connecting beams F3, and the other side disposed adjacent to the connecting beam F1 ′. The intermediate beam 5 having the same structure is connected between the connection beam F2 'and the connection beam F3' arranged adjacent to the connection beam F4 '.
[0032]
The top plate 2 is supported on the upper surface of the connection beam F1 by bolts 30 inserted through the bolt insertion holes 24, and similarly, the other connection beams F1 ', F2, F2', F3, F3 ', F4, F4. 'Is also supported on the upper surface.
[0033]
Further, the top plate 2 is mounted via screw holes formed in the top plate mounting portion 8 of the brackets B1, B2, B3, B4. The top plate 2 is also attached to the upper surfaces of the intermediate beams 5 and 6 via bolts (not shown).
[0034]
As described above, since the top plate support frame X has a connection structure in which the intermediate beams are connected between the connection beams supported and fixed to the bracket and opposed to each other, various top plates having different lengths are provided. The support frame can be handled by changing the length of the intermediate beam.
[0035]
As described above, the embodiments of the present invention have been described with reference to the drawings. However, the specific configuration is not limited to these examples. For example, a description has been given of a case where a positioning pin is provided in a bracket and a positioning hole is provided in a connection beam. Alternatively, a positioning hole may be formed in the bracket and a positioning pin may be provided on the connecting beam side.
[0036]
【The invention's effect】
The present invention has the following effects.
[0037]
(A) According to the first aspect of the present invention, the two top plate support frames can be supported and fixed at arbitrary angular positions, so that the top plate support frame can be accurately and reliably held even if the shape of the top plate changes. Can be installed on the bracket.
[0038]
(B) According to the second aspect of the present invention, since the rotating portion and the fixed portion can be formed on the same axis, the structure is simple and easy to assemble.
[0039]
(C) According to the third aspect of the present invention, the top plate supporting frame is positioned with respect to the bracket by fitting the pin and the hole. No deviation occurs.
[0040]
(D) According to the invention of claim 4, various top plate supporting frames having different lengths can be handled by changing the length of the intermediate beam.
[Brief description of the drawings]
FIG. 1A is a plan view of a table employing a top support structure according to an embodiment of the present invention, and FIG. 1B is a cross-sectional view taken along line XX of FIG. 1B, and FIG. FIG.
FIG. 2 is a partially enlarged plan view showing a main part of a top plate support structure.
FIG. 3 is an explanatory diagram of an operation of a top plate supporting frame.
4A is a plan view of a bracket, and FIG. 4B is a side view of the bracket.
5A is a plan view of a top plate supporting frame, FIG. 5B is a cross-sectional view taken along line AA of FIG. 5A, and FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Table 2 Top plate 4a-4d Support column 5, 6 Intermediate beam 6a Inner peripheral wall 6b Blind plate 7 Extension portion 7b Support surface 8 Top plate attachment portion 8a Support column attachment portion 10a, 10b Stepped surface 12a, 12b Fitted boss 14 fit Joint part 15 Bolt 20 Boss 22 Hollow part 24 Bolt insertion hole 25a Counterbore hole 25b Fitting hole 26 Insertion hole 28, 30 Bolt B1 Bracket F1, F2, F3, F4 Connection beam H Bolt insertion hole h1, h2 Insertion hole P1, P2 Positioning pins Q1, Q2, Q3 Positioning holes Q2 ', Q2''Positioning holes TH Screw holes X Top plate support frame

Claims (4)

A table having a top plate, a plurality of columns, a bracket supporting the top plate on one side and attached to the column on the other side, and a top plate support frame supported by the bracket bridged between two columns. And the like, wherein the bracket can selectively support and fix the two top plate support frames at arbitrary angular positions, respectively. The top plate support structure for a table or the like according to claim 1, wherein the bracket and the top plate support frame are rotatably supported by fitting a shaft and a hole, and are fixed by bolts inserted through the shaft. 3. The table according to claim 1, wherein the selection of the angular position of the top plate supporting frame with respect to the bracket includes a plurality of holes or pins provided on one side and pins or holes provided on the other side and fitted correspondingly. 4. Top plate support structure. The top plate support structure for a table or the like according to any one of claims 1 to 3, wherein the top plate support frame includes an intermediate beam and a connection beam, and the connection beam is supported and fixed to the bracket.

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