JP7417098B2 - Top plate connection structure and table - Google Patents

Description

The present invention relates to a top plate connection structure and a table in which the top plates are connected using the connection structure.

Conventionally, a table having a configuration in which a plurality of top plates are connected is known (see, for example, Patent Document 1). This patent document 1 describes a table configured by providing a hollow beam member (reinforcing frame) on the lower surface of a top plate and connecting a plurality of the top plates.

JP2016-202945A

Patent Document 1 describes a configuration in which adjacent top plates are connected to each other by arranging a connecting plate so as to straddle the two top plates. In a table with such a configuration, the continuity of the beam member is lost at the connecting part of the top plate, making it impossible to ensure a sufficient reinforcing effect and also causing a decline in the design of the table. Ta.

The present invention has been made in view of the above-mentioned circumstances, and an object of the present invention is to maintain continuity of the beam member at the connecting portion of adjacent top plates, thereby achieving a sufficient reinforcing effect. It is an object of the present invention to provide a connecting structure for a top plate and a table, which can ensure the above-mentioned properties and suppress deterioration of the design of the table.

In order to solve the above problems, the present invention provides a top plate connection structure configured as follows.

(1) A top plate connection structure that connects two top plates to each other, in which each of the top plates is formed with a connection surface that faces the other top plate, and the bottom of each of the top plates is is provided with at least one hollow beam member along a direction perpendicular to the connecting surface, and the two top plates are connected to each other by a connecting member provided on the back surface of the top plate, and the connecting member a main body portion, two insertion portions extending from the main body portion facing each other, and a top plate connecting portion extending from the main body portion in a direction perpendicular to an extending direction of the insertion portions; and the top plate connecting portion is arranged in a posture extending toward the outside of the top plate, the two insertion portions are inserted into each of the hollow beam members, and the top plate connecting portion A connection structure of top plates in which the respective top plates are connected by.

(2) The top plate connection structure according to (1), wherein the connection member is formed such that the outer surface of the main body portion is continuous with the outer surface of the hollow beam member.

(3) The top plate connecting portion can be divided into a plate-like member that connects the top plate and a covering portion that covers the plate-like member from below, and the connecting member includes the main body portion, two The connection of the top plate according to (1) or (2), which is configured by combining the book insertion part and the coupling member in which the covering part is integrally formed, and the plate-like member. structure.

(4) The top board connection structure according to any one of (1) to (3), wherein the hollow beam member is a reinforcing beam that reinforces an edge of the top board below the top board.

(5) A leg member is provided below each of the top plates, and the hollow beam member is a leg connecting beam that connects the leg members below the top plate. The connection structure of the top plate described in 1.

The present invention also provides a table configured as follows.

(6) A table in which two or more of the top plates are connected by the top plate connection structure according to any one of (1) to (5).

The connection structure of the top plate according to the present invention described above has the following effects.

According to the configuration (1), it is possible to ensure a sufficient reinforcing effect in the connecting portion of the adjacent top plates, and it is also possible to suppress deterioration in the design of the table.

According to the configuration (2), it is possible to further suppress deterioration in the design of the table.

According to configuration (3), the design of the table can be improved while maintaining the strength of the table.

According to the configuration (4), it is possible to ensure a sufficient reinforcing effect at the connecting portion of the top plate of a table in which a reinforcing beam is provided below the top plate, and also to suppress deterioration of the design of the table. It becomes possible to do so.

According to the configuration (5), it is possible to ensure a sufficient reinforcing effect at the connecting portion of the top plate of a table in which the leg connecting beam is provided below the top plate, and also to prevent the deterioration of the design of the table. It becomes possible to suppress this.

Further, the table according to the present invention has the following effects.

According to the configuration (6), it is possible to ensure a sufficient reinforcing effect in the connecting portion of adjacent top plates, and it is also possible to suppress deterioration in the design of the table.

FIG. 2 is a top perspective view showing a table according to one embodiment. FIG. 2 is a bottom perspective view showing a table according to one embodiment. FIG. 2 is a partial bottom view of a table according to one embodiment. FIG. 3 is a perspective view showing the assembly configuration of the connecting member. (a) and (b) are a sectional view taken along the line XX and a sectional view taken along the YY line shown in FIG. 3, respectively. The lower perspective view which shows the table based on another embodiment.

First, a schematic configuration of a table 1 according to an embodiment of the present invention will be described using FIGS. 1 and 2. In this embodiment, the direction of the table 1 is defined by arrows shown in each figure. That is, the table 1 according to the present embodiment is formed in a rectangular shape when viewed from above, and is arranged with its longitudinal direction facing the left-right direction and its lateral direction facing the front-rear direction. As shown in FIGS. 1 and 2, the table 1 includes a top plate 2, a left leg member 3L, a right leg member 3R, etc. as main components. Each component will be explained in order below.

The top plate 2 is configured in a bilaterally symmetrical shape by arranging two plate-like members, a left top plate 2L and a right top plate 2R, which are formed in the same shape, side by side in the left-right direction. Hereinafter, the left top plate 2L and the right top plate 2R will be collectively referred to as "top plates 2L and 2R." The left top plate 2L is formed with a left connecting surface 21L that faces the right top plate 2R. Further, a right connecting surface 21R facing the left top plate 2L is formed on the right top plate 2R. The top plates 2L and 2R are connected with the left connecting surface 21L and the right connecting surface 21R abutting each other.

As shown in FIG. 2, a reinforcing beam for reinforcing the edge of the top plate 2 is provided below the top plate 2 (in this embodiment, on the back surface of the top plate 2). Specifically, on the back surface of the left top plate 2L, a left front reinforcing beam 41L is provided along the front edge, a left rear reinforcing beam 42L is provided along the rear edge, and a left side reinforcing beam 43L is provided along the left edge. . Further, on the back surface of the right top plate 2R, a right front reinforcing beam 41R is provided along the front edge, a right rear reinforcing beam 42R is provided along the rear edge, and a right reinforcing beam 43R is provided along the right edge. Corner connecting portions 44 are provided at four corner portions on the back surface of the top plate 2 to connect the respective reinforcing beams.

In the table 1 according to the present embodiment, the left front reinforcing beam 41L and the left rear reinforcing beam 42L are one embodiment of a hollow beam member provided along a direction orthogonal to the left connecting surface 21L. Further, in the table 1 according to the present embodiment, the right front reinforcing beam 41R and the right rear reinforcing beam 42R are one embodiment of a hollow beam member provided along a direction perpendicular to the right connecting surface 21R.

The left leg member 3L and the right leg member 3R are a pair of members provided on both sides of the top plate 2 in the left-right direction. In this embodiment, as shown in FIG. 2, the left leg member 3L and the right leg member 3R are formed of tubular members bent into a substantially U-shape. The left leg member 3L and the right leg member 3R are connected by a leg connecting beam and a leg base (not shown), and the left leg member 3L, the right leg member 3R, and the leg connecting beam constitute a leg structure. The top plate 2 is placed on the top of this leg structure, and is connected and fixed to a leg connecting beam and a leg base (not shown). In the table 1 according to this embodiment, the leg connecting beam and the leg base are covered with a leg beam cover 3C as shown in FIG.

As shown in FIG. 2, the top plates 2L and 2R are connected to each other by connecting members 50 and 50 provided on the back surface of the top plate 2. Specifically, the front part of the left top plate 2L and the front part of the right top plate 2R, and the left front reinforcement beam 41L and the right front reinforcement beam 41R are connected by a connecting member 50 provided on the front side of the top plate 2. . Similarly, the rear part of the left top plate 2L and the rear part of the right top plate 2R, and the left rear reinforcement beam 42L and the right rear reinforcement beam 42R are connected by a connecting member 50 provided on the rear side of the top plate 2.

In the table 1 according to the present embodiment, the connecting members 50 provided on the front and rear sides of the top plate 2 are formed in the same manner except that the front and back postures thereof are reversed. Therefore, the front connecting member 50 (the connecting structure between the front part of the left top plate 2L and the front part of the right top plate 2R, and the left front reinforcing beam 41L and the right front reinforcing beam 41R) will be described below, and the rear connecting member 50 will be explained below. A detailed description of the member 50 (the rear part of the left top plate 2L and the rear part of the right top plate 2R, and the connection structure between the left rear reinforcement beam 42L and the right rear reinforcement beam 42R) will be omitted.

As shown in FIGS. 3 and 4, the connecting member 50 includes a rectangular prism-shaped main body 51, and a left insertion part 52L and a left insertion part 52L, which are two insertion parts that extend from the main body 51 in the left-right direction facing away from each other. It includes a right insertion portion 52R and a top plate connection portion 53 extending from the main body portion 51 in the front-rear direction orthogonal to the direction in which the insertion portions 52L and 52R extend.

In this embodiment, the connecting member 50 is arranged with the top plate connecting portion 53 extending toward the outside of the top plate 2 in the front-rear direction. That is, in the connecting member 50 provided on the front side of the top plate 2, the top plate connecting portion 53 extends forward from the main body portion 51. Similarly, in the connecting member 50 provided on the rear side of the top plate 2, the top plate connecting portion 53 extends rearward from the main body portion 51.

In the connecting member 50 provided on the front side of the top plate 2, as shown in FIGS. 3 and 4, the left insertion portion 52L is inserted into the left front reinforcing beam 41L, and the right insertion portion 52R is inserted into the right front reinforcing beam 41R. Further, the top plates 2L and 2R are connected by the top plate connecting portion 53. Specifically, as shown in FIGS. 4 and 5(a), countersunk bolts S1 and S1 that pass through the top plate connecting portion 53 are screwed into the top plates 2L and 2R, so that the top plates 2L and 2R are connected. It will be done.

In the table 1 according to this embodiment, as shown in FIGS. 3 and 5, the main body portion 51 of the connecting member 50 is inserted between the left front reinforcing beam 41L and the right front reinforcing beam 41R. As a result, the continuity between the left front reinforcing beam 41L and the right front reinforcing beam 41R is maintained at the connecting portion of the adjacent top plates 2L and 2R, making it possible to ensure a sufficient reinforcing effect on the table 1. . Furthermore, since the front left reinforcing beam 41L and the front right reinforcing beam 41R are continuously visible through the main body 51 at the connecting portion between the top plates 2L and 2R, it is possible to suppress deterioration in the design of the table 1. .

Further, in the table 1 according to the present embodiment, the top plate connecting portion 53 of the connecting member 50 is arranged so as to extend toward the outside of the top plate 2 in the front-rear direction. This suppresses deformation of only one of the top plates 2L and 2R at both front and rear ends of the connecting portion of the top plates 2L and 2R. That is, when the table 1 is used, it is possible to prevent a difference in level from occurring on the top surface of the top plate 2 at both front and rear ends of the connecting portion of the top plates 2L and 2R.

In the table 1 according to the present embodiment, as shown in FIG. 4, the top board connecting part 53 includes a connecting fitting 55 which is a plate-like member that connects the top plates 2L and 2R, and a covering part 53C that covers the connecting fitting 55 from below. It is said that it can be divided into . That is, as shown in FIG. 4, the connecting member 50 in this embodiment includes a connecting member in which a main body portion 51, two insertion portions 52L and 52R, and a covering portion 53C are integrally formed, and a connecting fitting 55. It is composed of a combination of .

The connecting fitting 55 has two fixed holes 55a and an insertion hole 55b between the fixed holes 55a. The covering portion 53C has two first insertion holes 53a and two second insertion holes 53b. Further, a positioning protrusion 54 is formed between the first insertion holes 53a in the covering portion 53C.

As shown in FIG. 5A, the positioning protrusion 54 of the covering portion 53C is inserted into the insertion hole 55b of the connecting fitting 55, so that the connecting fitting 55 is positioned and placed on the covering portion 53C. Then, the countersunk bolts S1 inserted into the first insertion holes 53a of the covering portion 53C and the fixed holes 55a of the connecting fittings 55 are screwed into the top plates 2L and 2R.・2R is connected. At this time, when tightening the countersunk bolt S1, the inclined portion of the countersunk bolt S1 is inserted into the fixing hole 55a having an inclined surface, thereby drawing the top plates 2L and 2R together. In this way, when connecting the top plates 2L and 2R, force is applied in the direction in which the top plates 2L and 2R approach each other, thereby making it difficult to form a gap between the top plates 2L and 2R.

Moreover, the covering part 53C is fixed to the top plates 2L and 2R by screwing the button bolt S2 inserted into the second insertion hole 53b of the covering part 53C into the top plates 2L and 2R. Since the countersunk bolt S1 connects the connecting fitting 55 and the top plates 2L and 2R, this button bolt S2 directly connects the covering portion 53C and the top plates 2L and 2R.

As described above, in this embodiment, the top plate connecting portion 53 is divided into the connecting fitting 55 and the covering portion 53C. As a result, while securing the connection strength of the top plates 2L and 2R with the connecting metal fittings 55, the connecting members constituting the main body part 51, the insertion parts 52L and 52R, and the covering part 53C can be formed in terms of moldability and manufacturing cost. It becomes possible to use superior resin parts. That is, it is possible to improve the design of the table 1 at low cost while maintaining the strength of the connecting member 50. In addition, in this embodiment, in the connecting member 50, the top plate connecting part 53 can be divided into the connecting fitting 55 and the covering part 53C, but the connecting member may be integrally formed of resin, aluminum alloy, etc. .

Further, in the connecting member 50 of the table 1 according to the present embodiment, as shown in FIGS. 2, 3, and 5, the outer surface of the main body portion 51 is formed continuously with the outer surfaces of the left front reinforcing beam 41L and the right front reinforcing beam 41R. be done. This can give the user of the table 1 the impression that the left front reinforcing beam 41L and the right front reinforcing beam 41R are continuous through the main body 51 at the connecting portion of the top plates 2L and 2R. That is, in this embodiment, by forming the outer shape of the main body portion 51 in the same manner as the left front reinforcing beam 41L and the right front reinforcing beam 41R, it is possible to further suppress deterioration in the design of the table 1. Note that in the connecting member 50, the main body portion 51 may be formed in a shape that is discontinuous with the front left reinforcing beam 41L and the front right reinforcing beam 41R.

Next, a procedure for connecting the front portions of the top plates 2L and 2R using the connecting member 50 will be described. First, the top plates 2L and 2R, to which each reinforcing beam has been fixed in advance, are placed on the leg structure composed of the left leg member 3L, right leg member 3R, and leg connecting beam, with gaps left and right between them. place At this time, it is preferable to provide a positioning means (not shown) between the leg structure and the top plates 2L and 2R.

Then, with the connecting fitting 55 placed on the covering portion 53C of the connecting member 50, the right insertion portion 52R of the connecting member 50 is inserted into the right front reinforcing beam 41R. Next, the left insertion portion 52L of the connecting member 50 is inserted into the left front reinforcing beam 41L while bringing the top plates 2L and 2R together so as to close the gap between them (so that the connecting surfaces 21L and 21R are close to each other). Then, by inserting the countersunk bolts S1, S1 and button bolts S2, S2 into the first insertion holes 53a, 53a and the second insertion holes 53b, 53b, respectively, and screwing them into the top plates 2L, 2R, the top plate 2L・Connect 2R.

Here, it is preferable that the positioning means between the leg structure and the top plates 2L and 2R be configured to be able to slide freely in the left and right directions while positioning them in the front and rear directions, since this improves the ease of assembling the table 1. . As such a structure, for example, a long groove extending in the left-right direction, a protrusion inserted into the long groove and slidable inside the long groove, etc. can be considered.

Finally, the table 1 is assembled by fastening the leg connecting beams and leg bases of the leg structure to the top plates 2L and 2R from below using fastening members. Note that it is also possible to connect only one of the leg connecting beam and the leg base to the top plates 2L and 2R. Alternatively, in the opposite manner to the above procedure, the left insertion portion 52L of the connecting member 50 may be first inserted into the left front reinforcing beam 41L.

The procedure for assembling the table 1 is not limited to the above-mentioned method, but other procedures can also be used. For example, the top plates 2L and 2R to which the reinforcing beams 41L and 41R are fixed in advance are connected by a connecting member 50 to form a top plate unit consisting of the top plates 2L and 2R, the reinforcing beams 41L and 41R, and the connecting member 50, The procedure may also include mounting and fixing the top plate unit on the leg structure.

The assembly procedure for the top plate unit in this case is to first fix the left front reinforcing beam 41L to the front part of the back surface of the left top plate 2L, and also fix the right front reinforcing beam 41R to the front part of the back surface of the right top plate 2R. . Then, with the connecting fitting 55 placed on the covering portion 53C of the connecting member 50, the right insertion portion 52R of the connecting member 50 is inserted into the right front reinforcing beam 41R. Furthermore, by inserting the left insertion part 52L of the connecting member 50 into the left front reinforcing beam 41L and screwing the countersunk bolts S1 and S1 and button bolts S2 and S2 into the top plates 2L and 2R, the top plates 2L and 2R are fixed. It connects them. In this case, it is also possible to first insert the left insertion portion 52L of the connecting member 50 into the left front reinforcing beam 41L.

Next, a table 101 according to another embodiment of the present invention will be described using FIG. 6. As shown in FIG. 6, the table 101, like the table 1 according to the embodiment described above, mainly includes a top plate 2 consisting of a left top plate 2L and a right top plate 2R, a left leg member 3L, a right leg member 3R, etc. It is equipped as a component.

As shown in FIG. 6, a leg connecting beam connecting the left leg member 3L and the right leg member 3R is provided below the top plate 2 (in this embodiment, the back surface of the top plate 2). Specifically, on the back surface of the left top plate 2L, a left front leg connecting beam 141L is provided parallel to the front edge, and a left rear leg connecting beam 142L is provided parallel to the rear edge. The left leg member 3L is fixed to a left leg base 130L assembled to a left front leg connecting beam 141L and a left rear leg connecting beam 142L.

Further, on the back surface of the right top plate 2R, a right front leg connecting beam 141R is provided parallel to the front edge, and a right rear leg connecting beam 142R is provided parallel to the rear edge. The right leg member 3R is fixed to a right leg base 130R assembled to a right front leg connecting beam 141R and a right rear leg connecting beam 142R.

In the table 101 according to the present embodiment, the left front leg connecting beam 141L and the left rear leg connecting beam 142L are one embodiment of a hollow beam member provided along a direction perpendicular to the connecting surface of the left top plate 2L. Further, in the table 101 according to the present embodiment, the right front leg connecting beam 141R and the right rear leg connecting beam 142R are one embodiment of a hollow beam member provided along a direction perpendicular to the connecting surface of the right top plate 2R. .

As shown in FIG. 6, the top plates 2L and 2R are connected to each other by connecting members 50 and 50 provided on the back surface of the top plate 2. Specifically, the front part of the left top plate 2L and the front part of the right top plate 2R, and the left front leg connecting beam 141L and the right front leg connecting beam 141R are connected by a connecting member 50 provided on the front side of the top plate 2. be done. Similarly, the rear part of the left top plate 2L and the rear part of the right top plate 2R, and the left rear leg connecting beam 142L and the right rear leg connecting beam 142R are connected by a connecting member 50 provided on the rear side of the top plate 2. Ru. The connection configuration by each connection member 50 is the same as that of the table 1 in the embodiment described above, and therefore will be omitted.

Also in the table 101 according to this embodiment, the main body of the connecting member 50 is inserted between the left front leg connecting beam 141L and the right front leg connecting beam 141R. As a result, the continuity between the left front leg connecting beam 141L and the right front leg connecting beam 141R is maintained at the connecting portion of the adjacent top plates 2L and 2R, making it possible to ensure a sufficient reinforcing effect in the table 101. becomes. In addition, in the connecting portion of the top plates 2L and 2R, the left front leg connecting beam 141L and the right front leg connecting beam 141R are continuously visible through the main body of the connecting member 50, so that deterioration in the design of the table 101 is suppressed. becomes possible.

As described above, the members connected by the connecting member 50 are not limited to the reinforcing beam that reinforces the edge of the top plate 2, and the leg connecting beam that connects the left leg member 3L and the right leg member 3R is used as the connecting member. It is also possible to have a configuration in which they are connected by 50. In this way, any hollow beam member provided along the direction perpendicular to the connecting surface of the top plates 2L and 2R can be connected by the connecting member 50.

Next, in this embodiment, a procedure for connecting the front parts of the top plates 2L and 2R using the connecting member 50 will be described. First, the left leg member 3L, the left front leg connecting beam 141L, the right leg member 3R, the right front leg connecting beam 141R, and the connecting member 50 constitute a leg structure. Then, place the top plates 2L and 2R on the leg structure, insert the countersunk bolts S1 and S1 and button bolts S2 and S2 into the first insertion holes 53a and 53a and the second insertion holes 53b and 53b, respectively, and The top plates 2L and 2R are connected by screwing into the plates 2L and 2R. In this way, in this embodiment, the connecting member 50 functions as a part of the leg structure.

In addition, as another connection procedure in this embodiment, the top plates 2L and 2R to which the leg connection beams 141L and 141R are fixed in advance are connected by the connection member 50, and the top plates 2L and 2R and the leg connection beams 141L and 141R are connected. A top plate unit including the connecting member 50 can also be configured. Thereafter, the leg members 3L and 3R are attached to this top plate unit.

The procedure for assembling the top plate unit at this time is to first fix the left front leg connecting beam 141L to the front part of the back surface of the left top plate 2L, and then fix the right front leg connecting beam 141R to the front part of the back surface of the right top plate 2R. Fix it. Then, with the connecting fitting 55 placed on the covering portion 53C of the connecting member 50, the right insertion portion 52R of the connecting member 50 is inserted into the right front leg connecting beam 141R. Furthermore, by inserting the left insertion part 52L of the connecting member 50 into the left front leg connecting beam 141L and screwing the countersunk bolts S1, S1 and button bolts S2, S2 into the top plates 2L, 2R, It connects. In this case, the left insertion portion 52L of the connecting member 50 may be first inserted into the left front leg connecting beam 141L.

1 table 2 top plate
2a Top plate opening 2L Left top plate
2R Right top plate 3L Left leg member
3R Right leg member 3C Leg beam cover
21L Left connecting surface 21R Right connecting surface
41L Front left reinforcement beam (hollow beam member)
41R Right front reinforcement beam (hollow beam member)
42L Left rear reinforcement beam (hollow beam member)
42R Right rear reinforcement beam (hollow beam member)
43L Left side reinforcement beam 43R Right side reinforcement beam
44 Corner connection part
50 Connecting member 51 Main body part
52L Left insertion section 52R Right insertion section
53 Top plate connection part 53a First insertion hole
53b Second insertion hole 53C Covering part
54 Positioning protrusion 55 Connecting fitting (plate-shaped member)
55a Fixed hole 55b Inserted hole
101 Table (alternative embodiment)
130L Left leg base 130R Right leg base
141L Left nose landing gear connection beam (hollow beam member)
141R Right nose landing gear connection beam (hollow beam member)
142L Left rear leg connection beam (hollow beam member)
142R Right rear leg connection beam (hollow beam member)
S1 Flathead bolt S2 Button bolt

Claims (6)

A top plate connection structure that connects two top plates to each other,
Each of the top plates is formed with a connecting surface that faces another top plate,
At least one hollow beam member is provided below each of the top plates along a direction perpendicular to the connecting surface,
The two top plates are connected to each other by a connecting member provided on the back side of the top plate,
The connecting member includes a main body, two insertion parts extending from the main body in a direction opposite to each other, and a top plate connection extending from the main body in a direction perpendicular to an extending direction of the insertion parts. and the top plate connecting part is arranged in a posture extending toward the outside of the top plate,
A top plate connection structure in which the two insertion portions are inserted into the respective hollow beam members, and the respective top plates are connected by the top plate connection portion. 2. The top plate connection structure according to claim 1, wherein the connection member is formed such that an outer surface of the main body portion is continuous with an outer surface of the hollow beam member. The top plate connecting part can be divided into a plate-like member that connects the top plate and a covering part that covers the plate-like member from below,
1 or 2, wherein the connecting member is configured by combining a connecting member in which the main body portion, the two insertion portions, and the covering portion are integrally formed, and the plate-like member. The top plate connection structure according to claim 2. 4. The top board connection structure according to claim 1, wherein the hollow beam member is a reinforcing beam that reinforces an edge of the top board below the top board. A leg member is provided below each of the top plates,
The top board connection structure according to any one of claims 1 to 3, wherein the hollow beam member is a leg connection beam that connects the leg members below the top board. A table in which two or more of the top plates are connected by the top plate connection structure according to any one of claims 1 to 5.

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