JP3256926B2 - Connecting device for top plate and side plate in counter etc. - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for connecting a top plate and side plates in a counter or the like.

[0002]

2. Description of the Related Art For example, Japanese Patent Publication No. 1-2486 discloses a method in which a plurality of top plates are arranged side by side between left and right side plates.
A counter is disclosed in which a connection bolt and a nut screwed to the connection bolt are tightened and connected between them.

[0003] In this connection, when connecting the side plate and the top plate, an end of a connection bolt protruding from a side end of the top plate is inserted into a fastener screwed to the side plate, and a nut is inserted from the outside of the fastener. Is screwed into the connection bolt and tightened.

[0004]

In the above-described conventional structure, not only the fastening force of the connecting bolt acts on the stopper which is merely screwed to the side plate, but also the top plate and the articles placed thereon. The large load acts to pull the fastener, and the fastener may loosen,
In the worst case, there is a possibility that the stopper is broken and peeled off from the side plate, and furthermore, there are problems such as hanging of the end of the top plate and generation of a gap between the top plate and the side plate. In addition, since there are many screwing portions, there are disadvantages in that the number of assembling steps is large, and the screwing portions of the fasteners are exposed to the outside, which impairs appearance.

[0005] An object of the present invention is to ensure that when connecting the top plate and the side plate in a counter or the like, the pulling force of the connection bolt on the top plate side is firmly received, and that the vertical load on the top plate is reasonably received. It is another object of the present invention to provide a connecting device which can be easily assembled.

[0006]

According to the present invention, the above-mentioned problem is solved as follows. A flat T-shaped mounting hole drilled at the top of the side plate and having a recess in the middle,
A long cylindrical nut having a head larger than the width of the recess and extending substantially horizontally through the recess from the head inserted into the flat T-shaped mounting hole;
The mounting piece comprises an orthogonal mounting piece and a support piece, and has an inverted L-shape. The mounting piece is provided with a notch corresponding to the recessed portion and opening to the free end side, and the mounting piece is attached to the head of the cylindrical nut. And a receiving fitting inserted into the mounting hole so as to be located between the recess and the recess, and extending from a side end of the top plate toward the recess of the mounting hole in the side plate, and a tip end of the cylinder. A long connecting bolt screwed to the shaped nut.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, a counter (A) in which the present invention is implemented is provided with a side plate (1) at an end of a main body (2) having a single or parallel top plate (1). 3) is attached, and a laterally long connecting bolt (4) arranged so as to pass through a lower portion of the top plate (1) is used for the connection.

As shown in FIGS. 2 to 8, the side plate (3) comprises an inner plate (3a) and an outer plate (3b), and a mounting hole (5) is formed in the upper part of the inner plate (3a). Has been established. This mounting hole (5)
Having a depression (5b) in the middle of the lower side of the horizontal part (5a),
As a whole, it has a T-shape that is horizontally long and low. Depression
The width of (5b) is smaller than the head (6b) of the cylindrical nut (6) described later, though it passes through the cylindrical portion (6a). In some cases, the side plate (3) may be composed of only the inner surface plate (3a).

As is clear from FIG. 2, a box-shaped nut receiving member (opening on the top) is provided inside the side plate (3), at the position corresponding to the mounting hole (5), on the back of the outer plate (3b). 7) is attached. The nut receiving member (7) is superposed on the inner plate (3a), and is provided between the inner and outer plates (3a) and (3b) from both sides of the vertical base piece (7a) having the same notch as the recess (5b). A side piece (7b) extending outward; and a bent piece (7c) welded to the outer face plate (3b) at the outer end of the side piece (7b), wherein the mounting hole (5) is provided. Surrounds the bottom and sides of the Base piece (7a) and side piece (7
b) A bottom piece (7d) is provided between the lower edges.

FIG. 3 (8) is an inverted L-shaped receiving metal fitting which is inserted from the inside into the mounting hole (5) of the side plate (3). The metal piece is bent at a right angle to the mounting piece (8a). A support piece (8b) is provided, and the mounting piece (8a) is horizontal before insertion.

In the embodiment shown, the mounting piece (8a) is double reinforced. The width of the mounting piece (8a) is shorter than the width of the horizontal portion of the mounting hole (5), and a cutout (8c) that opens toward the free end is provided at the center thereof. The width of the notch (8c) is the same as that of the aforementioned notch (5b) of the mounting hole (5).
Is equal to the width of The supporting piece (8b) is, as shown in FIG.
(1).

The cylindrical nut (6) is provided at the tip of the cylindrical portion (6a), which is the main body, with the width of the notch (5b) of the mounting hole (5) and the notch (8c) of the receiving bracket (8). It has a head (6b) that is larger than the width. As shown in FIGS. 6, 7 and 8, the female screw hole (6c) of the cylindrical nut (6) is connected to the connecting bolt (4) shown in FIG.
Can be screwed into the external thread (4a).

At the time of assembling, first, as shown by the arrow in FIG. 2, the cylindrical nut (6) is placed with its head (6a) first.
The upper part of the recess (5b) of the mounting hole (5) and the horizontal part (5
At the point of contact with a), it is inserted into the side plate (3), that is, into the box-shaped nut receiving member (7).

Next, as shown in FIGS.
(3) to form a sufficient gap between the head (6b) of the cylindrical nut (6) inserted into the inside and the back of the inner plate (3a),
With the receiving bracket (8) with its mounting piece (8a) horizontal,
Insert into the horizontal part (5a) of (5). Then, as shown in FIGS. 4 and 5, the receiving bracket (8) is gradually rotated and raised, so that the notch (8c) is formed by the head (6b) of the cylindrical nut (6) and the inner plate (3a). To fit in the gap between the back of During this time, the cylindrical nut (6) is received by the nut receiving member (7) and does not fall into the side plate (3).

Finally, the connecting bolt (4) on the lower surface of the top plate (1)
Insert the male thread (4a) at the end of the female nut hole (6) into the cylindrical nut (6).
c), and by rotating the cylindrical portion (6a) of the cylindrical nut (6) with a suitable tool (not shown), the female screw hole (6c) is screwed into the male screw portion (4a). And put the top plate (1) on the side plate
Connect to (3).

The attracting force of the connecting bolt (4) is received by the overlapping portion of the inner plate (3a) and the base (7a) of the nut receiving member (7) with a large area of the reinforced mounting piece (8a). Can be
Therefore, the attraction force is dispersed and effectively supported by the inner plate (3a) and the outer plate (3b) via the nut receiving member (7). As shown in FIGS. 7 and 8, the support piece (8 b) of the receiving bracket (8) supports the top plate (1), and the load is applied to the side plate (3) at the lower end of the depression (5 b). ) Directly.

[0017]

【The invention's effect】

(a) Since the head of the cylindrical nut is inserted into the inside of the side plate and abuts against the mounting piece of the receiving member, the side plate and the receiving member are also fastened by fastening the connecting bolt of the top plate and the cylindrical nut member. It is attracted to the top plate side and makes the top plate and side plate adhere closely,
Can be firmly connected. That is, since the mounting piece of the receiving bracket is interposed between the inner plate of the side plate and the head of the cylindrical nut, the local attractive force of the head of the cylindrical nut applied to the inner plate of the side plate is: Widely distributed on the inner plate of the side plate, the inner plate can be attracted to the top plate as a whole.

(B) By fastening the connecting bolt and the cylindrical nut member, the receiving bracket is also firmly fixed, the top plate can be supported on the supporting piece, and the load is directly transmitted to the side plate at the lower end of the recessed portion. Therefore, sufficient strength can be obtained even when a downward load is applied to the top plate.

(C) When attaching the cylindrical nut to the side plate, screwing is not required, and the mounting piece of the receiving bracket is not exposed to the outside, so that the assembling is simple and the appearance is good.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a counter showing a main body with a top plate and a side plate in a state before assembly.

FIG. 2 is a partially enlarged perspective view of an upper portion of a side plate for showing a mounting hole and a cylindrical nut when the present invention is carried out.

FIG. 3 is a partially enlarged perspective view similar to FIG. 2, showing a state before a receiving fitting is attached.

FIG. 4 shows a state in which the receiving bracket is being mounted.
FIG. 3 is a partially enlarged perspective view similar to FIG. 2.

FIG. 5 is a partially enlarged perspective view similar to FIG. 2, showing a state immediately before the mounting of the receiving fitting is completed.

FIG. 6 is a partially enlarged perspective view similar to FIG. 2, showing a state immediately before the connection nut is screwed.

FIG. 7 is a perspective view showing a part of the combined top plate and side plate in a cutaway manner.

FIG. 8 is a longitudinal sectional view of the connected top plate and side plate.

[Explanation of symbols]

 (A) Counter (1) Top plate (2) Main body (3) Leg side plate (3a) Inner plate (3b) Outer plate (4) Connecting bolt (4a) Male thread (5) Mounting hole (5a) Horizontal part ( 5b) Falling part (6) Cylindrical nut (6a) Cylindrical part (6b) Head (6c) Female screw hole (7) Nut receiving member (7a) Base piece (7b) Side piece (7c) Bend piece (7d ) Bottom piece (8) Receiving bracket (8a) Mounting piece (8b) Supporting piece (8c) Notch

Claims (1)

(57) [Claims] 1. A flat T-shaped mounting hole formed in an upper portion of a side plate and having a recessed portion in the middle, and a head portion having a width larger than the width of the recessed portion. An elongated L-shaped nut extending substantially horizontally from the inserted head through the recess, and a mounting piece and a support piece that are orthogonal to each other. Corresponding to, provided a cutout opening on the free end side, so that the mounting piece is located between the head of the cylindrical nut and the recessed portion, a receiving bracket inserted into the mounting hole, The top plate and the side plate of a counter or the like in a counter or the like including a long connection bolt extending from the side end of the top plate toward the recessed portion of the mounting hole of the side plate and having a distal end screwed to the cylindrical nut. Coupling device.