JPH0654719A - Ceiling and connecting structure of a foot pillar - Google Patents

Abstract

PURPOSE:To provide a foot pillar with ease and an appropriate strength. CONSTITUTION:There are provided a rigid ceiling 1, a foot pillar 2 rigidly provided with a pair of arms 36 along both fringes 1a and 1b sandwiching a corner portion C of the ceiling 1 on the upper end portion thereof, and a taper engaging portion T comprising a recessed taper surface 17a provided on both fringes 1a and 1b, and a projecting taper surface 36a. With respect to the taper engaging portion T, the recessed taper surface 17a is brought into close contact with the projecting taper surface 17b by sliding the foot pillar 2 to the P side of the usage end with respect to the ceiling 1. In this way, both arms 36 are respectively fastened and connected to each side fringe 1a and 1b with a bolt.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for connecting a top plate and a pedestal, which is preferably used for easily assembling a desk or a table.

[0002]

2. Description of the Related Art As a simple desk or table, a table having a pedestal attached to a corner portion of a top plate is known. In this case, the connecting structure of the top plate and the pedestal is usually such that the upper end of the pedestal is attached to the lower surface of the top plate and the pedestal is fixed to the top plate via brackets and bolts. is there.

[0003]

However, with such a structure, it takes a great deal of labor and time to mount the pedestal on the top plate without rattling. That is, especially in the case of a pedestal, unlike the side plates, the area of contact with the top plate is small, and therefore a twisting force is likely to occur between the pedestal and the top plate. Therefore, in order to prevent this, it is necessary to connect a large number of places of the top plate and the pedestal to each other through the bracket, and a large number of bolts and parts are required, which makes the work complicated. is there. Moreover,
With this kind of structure, you can go under the top plate and perform bolt tightening work from the bottom up, or flip the top plate and perform bolt tightening work, and then re-attach the top plate with the pedestal. There is an inconvenience that the work becomes more complicated because it needs to be turned over and returned to the original state.

An object of the present invention is to provide a connecting structure for a top plate and a pedestal that effectively solves the above problems.

[0005]

The present invention adopts the following constitution in order to achieve the above object.

That is, the connection structure of the top plate and the pedestal according to the present invention is such that the pedestal is attached to the corner portion of the top plate via the taper engaging portion. The top plate has rigidity, and the pedestal has a pair of arms rigidly provided at the upper end along the both side edges that sandwich the corner of the top plate. The taper engaging portion comprises a concave taper surface provided on either side edge of the top plate or one of the arms of the pedestal and a convex taper surface provided on the other of the pedestal. The concave taper surface and the convex taper surface can be brought into close contact with each other by sliding the top plate to one end side. The arms are tightly coupled to the respective side edges of the top plate by a fastener in a state where the taper engaging portion is engaged.

As a concrete embodiment of the taper engaging portion, concave taper surfaces are formed in V-shaped grooves provided on both side edges of the top plate, and convex taper surfaces project on the arms. The protrusion formed on the arm or the concave taper surface is formed in the V-shaped groove provided on the arm, and the convex taper surface is formed on the both side edges of the top plate. The thing formed is mentioned.

As a concrete embodiment of the fastening device, the fastening device is a bolt which penetrates the arm and is screwed into a screw hole provided on the top plate side, and each arm has one bolt. The thing fixed to the top plate by.

[0009]

With this structure, the pedestal is attached to the lower surface of the top plate, and in that state, the pedestal is slid with respect to the top plate, so that the arm of the pedestal is placed at the corner of the top plate. The convex tapered surface of the tapered engaging portion abuts the concave tapered surface to form a tapered engaging portion.
In this state, when the arm is tightened on the top plate with the fastener, the convex tapered surface bites into contact with the concave tapered surface as if to bite, and the arm is fixed to the top plate. Since the arm is rigidly attached to the pedestal, when the arm is strongly connected to the top plate,
The pedestal cannot tilt with respect to the top plate, and effective mounting strength can be obtained. In addition, the fastening operation of the fastening device is simple as fastening the fastening device in the horizontal direction at the height position of the top plate in the standing posture.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

This top plate and pedestal connection structure is applied to, for example, a desk A as shown in FIG. 1, and a 90 ° corner formed between side edges 1a and 1b of a pentagonal deformable top plate 1. In the section C, the top plate 1 and the pedestal 2 are connected.

FIG. 2 is an exploded perspective view of the desk A of FIG. 1 viewed from the direction of arrow II. As shown in the figure, the top plate 1
Has a highly rigid flash structure in which a honeycomb-shaped paper core 12 is arranged on the inner periphery of the frame 11, and metal steel plates 13 and 14 are attached to the upper and lower surfaces of the frame 11 and the paper core 12, respectively. A melamine decorative board 15 is attached to the inner side of the sheet, and an edge member 16 is attached to the side edge thereof. The V-shaped groove 17 is formed in the edge member 16 and the frame 11 of the two side edges 1a, 1b on the side opposite to the use end Q, and the concave tapered surface 17a of the present invention is formed on the slope of the V-shaped groove 17. It is set. Further, a nut portion 18 having an axial center perpendicular to the longitudinal direction of the side edges 1a and 1b near the corners thereof.
Is formed.

As shown in FIGS. 2 to 4, the pedestal 2 has a partial pipe shape in which four corners are cut off along the longitudinal direction, and the bracket member 3 is integrally rigidly attached to the upper end portion. is doing. The bracket member 3 is a pair of fixing plates 3 that are arranged to abut each other at a position across the diagonal of the pedestal 2.
1, a back plate 32 that bends and extends upward from one branch end 31a of each fixed plate 31 that branches at a right angle, and an L shape from the other branch end 31b of the fixed plate 31 that branches at a right angle. And a bent pipe mounting plate 33.
A horizontal plate 34 for mounting the top plate is rigidly attached to a step portion 32a formed at the bent portion of the back plate 32.
A horizontal projection 35 is projected upward from the two side edges of the above, and the tip of this projection 35 is rigidly attached to the back plate 32. That is, the back plate 32 and the ridges 35 form arms 36 along both side edges 1a, 1b of the corner portion C of the top plate 1, and the convex tapered surface 36a of the present invention is formed on the slope of the ridges 35 of the arms 36.
Is set. The convex tapered surface 36a has a shape that can be closely fitted to the concave tapered surface 17a, and the tapered surfaces 17a and 36a form a tapered engaging portion T. There is. Further, the arm 36 is provided with a bolt insertion hole 36b at a portion which can be continuous with the nut portion 18 when the top plate 1 is placed on the horizontal plate 34. A pipe member 4 having an opening oriented vertically is attached between the L-shaped portion of the pipe attachment portion 33 and the outer surface of the pedestal 2.
U-shaped notch 31c is provided in the center of
The inner circumference of the pipe member 4 and the inner circumference of the notch 31c provide a wiring routing space.

Next, a procedure for attaching the pedestal 2 to the top plate 1 in this embodiment will be described. First, the horizontal plate 34 of the pedestal 2 is attached to the lower surface of the top plate 1, and the pedestal 2 is slid to the use end P side with respect to the top plate 1 in this state, so that The arm 36 is brought close to both side edges 1a and 1b which sandwich the corner C of the top plate 1. Then, the convex tapered surface 36a is brought into contact with the concave tapered surface 17a to form the tapered engaging portion T. In this state, the bolt B, which is a fastener, is inserted into the bolt insertion hole 36b of the arm 36, and the top plate 1
When tightened to the nut portion 18 provided on the upper part of the taper engaging portion T, the convex tapered surface 36a and the concave tapered surface 17a of the taper engaging portion T come into close contact with each other as shown in FIG. It Since the arm 36 is rigidly attached to the pedestal 2 via the bracket member 3, the arm 36 is fixed to the top plate 1.
When the column 2 is strongly connected to the column 2, the pedestal 2 cannot tilt with respect to the top plate 1.

After this state, in the present embodiment, the side edge covers 5 and the corner covers 6 are attached to the outside of the side edges 1a, 1b of the top plate, and the side edges 1a, 1b and the covers 5, 6 are provided between them. The wiring routing space can be formed.

In this embodiment, however, the top plate 1 has a structure capable of exerting its own rigidity, the pedestal 2 is connected to the top plate 1 via the taper engaging portion T, and the two bolts B are connected. Since it is configured only by fastening, the number of manufacturing and assembling steps of the desk A is drastically reduced as compared with the conventional one, a small amount of parts can be manufactured, and the production cost can be reduced. Moreover, since the twisting force between the top plate 1 and the pedestal 2 is effectively received by the convex tapered surface 36a and the concave tapered surface 17a, which are the pressure receiving surfaces of the taper engaging portion T, this connecting structure is long-term. It is possible to maintain an appropriate mounting strength of the pedestal 2. further,
The bolt B can be fastened by simply tightening the bolt B in the horizontal position at the height position of the top plate 1 in the standing posture, so that the assembling work of the desk A is further simplified as compared with the conventional one. It will be possible.

The present invention is not limited to the above-mentioned embodiments. For example, FIGS. 6 and 7 show side edge 1
2A and 2B show a pedestal 2 and a bracket member 3 for mounting the modified top plate 1 having an obtuse corner C between the corners C and C. Spread at an angle equal to the angle of
It faces 1b. In the drawing, the portions that are functionally common to the above-mentioned embodiment are designated by the same reference numerals. As described above, the present invention can be applied to a desk in which the corner portion of the top plate has an obtuse angle, and further to a desk having an acute angle. Further, in the above-mentioned embodiment, the concave tapered surface is formed in the V-shaped groove provided on both side edges of the top plate, and the convex tapered surface is formed in the ridge protruding from the arm. That is, the structure may be such that the concave tapered surface is formed in the V-shaped groove provided in the arm and the convex tapered surface is formed in the ridges protruding from both side edges of the top plate. Further, although the above-mentioned objects are all applied to a desk, they can be applied to a table or the like having four pedestals at four corners of the top plate. Further, as another rigid top plate structure, a structure having a hollow reinforcing bar on the lower surface of the steel plate, a structure made of wood and having metal end pieces forming side edges, and the like are given. be able to.

[0018]

As described above, the structure for connecting the top plate and the pedestal according to the present invention is configured such that the top plate can exert rigidity by itself, and the taper engaging portions are provided at the corners of the top plate. Since the pedestal is connected via the and the taper engagement part is tightened by the fastener, the number of steps for manufacturing and assembling furniture to which the present invention is applied is drastically reduced as compared with the conventional one, and it is necessary for the connection. Small parts can be manufactured, which will lead to lower production costs. Further, even with such a simple connecting structure, the twisting force can be effectively received by the pressure receiving surface of the taper engaging portion, so that this connecting structure maintains proper mounting strength of the pedestal for a long period of time. It will be possible. Moreover,
The fastening work of the fastening tool is completed by simply fastening the fastening tool in the horizontal position at the height position of the top plate in the standing posture, so that the assembling work becomes simpler than the conventional one. .

[Brief description of drawings]

FIG. 1 is a perspective view of a desk to which a top plate and pedestal connection structure according to an embodiment of the present invention is applied.

FIG. 2 is an exploded perspective view of a connection structure portion viewed from a direction of an arrow II in FIG.

FIG. 3 is a front view showing a pillar of the embodiment.

FIG. 4 is a plan view of the same.

FIG. 5 is a partial cross-sectional view showing a taper engaging portion of the embodiment.

FIG. 6 is a view corresponding to FIG. 3 showing another embodiment of the present invention.

FIG. 7 is a view corresponding to FIG. 4 of the same embodiment.

[Explanation of symbols]

 A ... Desk B ... Fastener (bolt) C ... Corner part P ... One end (use end) T ... Tapered engaging part 1 ... Top plate 1a, 1b ... Side edge 2 ... Pillar 17 ... V-shaped groove 17a ... Concave Tapered surface 18 ... Screw hole 35 ... Projection 36 ... Arm 36a ... Convex tapered surface

Claims (4)

[Claims] 1. A connection structure of a top plate and a pedestal, wherein a pedestal is attached to a corner portion of the top plate via a taper engaging portion, the top plate having rigidity, The pedestal has a pair of arms rigidly provided at the upper end along both side edges of the top plate, and the taper engaging portion is either one of the side edges of the top plate and the pedestal arm. It comprises a concave taper surface provided on one side and a convex taper surface provided on the other side, and by sliding the pedestal toward one end side with respect to the top plate, the concave taper surface and the convex taper surface are formed. It is configured so that it can be in close contact with the tapered surface, and both arms are tightly coupled to each side edge of the top plate by a fastener in a state where the taper engaging portion is engaged. Connecting structure of top plate and pedestal. 2. V-shaped concave taper surfaces are provided on both side edges of the top plate.
The convex taper surface formed in the groove is formed on a ridge protruding from the arm.
Connection structure of top plate and pedestal described. 3. A concave taper surface is formed in a V-shaped groove formed in the arm, and a convex taper surface is formed in a ridge protruding from both side edges of the top plate. Claim 1
Connection structure of top plate and pedestal described. 4. The fastener is a bolt that penetrates the arm and is screwed into a screw hole provided on the top plate side, and each arm is fastened to the top plate by one bolt. The connecting structure for a top plate and a pedestal according to claim 1.