JP2531505Y2 - Connecting device for supporting columns and cross beams - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a connecting device between a column and a cross beam in furniture or the like, for example, when connecting a column in a movable rack or the like and a cross beam to be fixed to the back surface of a panel. is there.

[0002]

2. Description of the Related Art Conventionally, this kind of connecting device for furniture is disclosed in Japanese Utility Model Publication No. 45-5479 and Japanese Utility Model Application Laid-Open No. 54-79.
No. 215 as disclosed in JP-sectional hollow rectangular
Of the support and the cross beam with one vertical outer surface of the support and the side
The outer surface on one side of the beam in the vertical direction is parallel to each other without facing each other
So that they face in the same direction,
Within the vertical and horizontal directions, and
The inner surface of the wide base of the connecting bracket for connecting the beam
Facing the outer surface of the column and the cross beam on one side in the vertical direction, respectively
And straddling it. No.45-5479
In the official gazette, this type of connecting bracket is used in pairs.
And a support and a cross beam are provided at the wide base of each of the connection fittings.
Of each of the locking holes provided on one side in the vertical direction.
While cutting and raising the nail pieces that fit together,
The outer surfaces in both vertical directions are sandwiched between the two connecting brackets .
And through the wide base of the cross beam and the two connecting fittings
It is configured to be connected by fastening with bolts.

[0003] Also, Japanese Utility Model Application Laid-Open No. 54-79215 discloses
The connecting metal fitting has a wide base that is substantially L-shaped when viewed from the front.
In addition, at the edge of the wide base, the vertical
Lock on the outer surface in the direction crossing the outer surface on one side in the vertical direction
The flange and the wide base.
Through the bolt and cross beam and the wide base
Bolts that are connected to each other.
You.

[0004]

The present invention is to provide a said of both the prior art,
Bolts that penetrate the columns and cross beams are also penetrated to the connection fittings
It is a form that is tightened and tightened,
It is for connection. Further, in the former, the horizontal space and the height position between the locking hole in the cross beam and the locking hole in the column are positioned so as to match the positions of the two claw pieces of the connecting metal, and then the connecting metal is connected to the horizontal beam and the column. Must be placed over the bridge. Therefore, since the worker holds and positions the standing pillar by holding the two members of the cross beam and the connection fitting, the positioning itself is very difficult.

According to the present invention , a large downward load is applied to the cross beam itself.
Does not act, and the connecting fitting is configured to be movable along the longitudinal direction of the cross beam in a state where the connecting fitting is temporarily fixed to the cross beam (a state in which it does not fall off), so that the connection work with the support can be easily performed. It is an object of the present invention to provide a connecting device as described above.

[0006]

To achieve the above object, according to an aspect of coupling device between the strut and the cross beam of the present invention includes a vertical outer planar surface of one side of the crossbeam of the cross-section U-shaped, outer strut
So as to face the side one side to those placed against in a state which cross each other, the connecting fitting to dispose straddling said cross beam and the support, sandwiching the mounting groove or side longitudinal formed in said post Clamp part to attach, and the vertical
A base that is screwed to the outer flat surface, and the base is sandwiched or expanded and separated from a pair of long horizontal parallel surfaces intersecting the vertical outer flat surface of the cross beam , and separated from each other.
A pair of claw portions that are in sliding contact with each other are formed by bending.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of the present invention will be described. Reference numeral 1 denotes an electric mublack that can move along a pair of rails 2 laid on the floor surface in a library or the like. 3 is the right and left struts in Mu Black 1,
Reference numeral 4 denotes a panel attached to the outer surfaces of the left and right columns, reference numeral 5 denotes an intermediate column, and reference numeral 6 denotes a shelf.

Each of the columns 3 is made of metal and has a substantially U-shaped cross section. A vertically long mounting groove 7 is formed on one side surface of each of the columns 3 as shown in FIG. Reference numeral 8 denotes left and right longitudinal beams made of metal fixed to at least the upper and lower portions of the back surface of the panel 4 by spot welding or the like.
As shown in FIG. 6, a so-called groove-shaped member having a U-shaped cross section is used to spot-weld the bottom plate 8 a in the vertical direction of the groove to the back surface of the panel 4 so that the upper and lower ends of the bottom plate 8 a are separated from the back surface of the panel 4. The upper and lower pieces 9 and 10 are bent horizontally horizontally, and the ends of the upper piece 9 are bent vertically upward to form fins 11 having a flat surface. To form a fin 12 having a flat surface.

[0009] One outer side surface of the column 3 and a U-shaped section
The vertical outer flat surface on one side of the cross beam 8 faces
In a state of intersecting each other,
A connecting metal fitting 13 for straddling the strut 3 includes a plate-shaped base portion 14 in contact with a vertically outer flat surface of the pair of upper and lower fin pieces 11 and 12, and approximately L from the base portion. It comprises a clamp portion 15 bent and protruded in a character shape, and a pair of upper and lower claws 16 and 17 which are folded outward at upper and lower ends of the base portion 14. The clamp portion 15 is provided with the mounting groove 7 in the support 3.
On the other hand, the upper and lower fins 11 and 12 of the cross beam 8 are sandwiched between upper and lower outer sides by the two claw portions 16 and 17 and are slidable so as to be movable left and right along the fins 11 and 12. It can be contacted. Therefore, the claw portions 16, 1
7 is equal to the vertical distance between the edges of the upper and lower fins 11 and 12 in the cross beam 8,
The distance H2 between the tip edges of the claws 16 and 17 is equal to the distance H
The claw portions 16 and 17 are bent at an acute angle in cross section so as to be slightly shorter than 1.

An insertion portion 18 formed in the fin 11 or / and the fin 12 of the cross beam 8 is formed at a position which is appropriately away from the connection portion of the support 3 and the cross beam 8 by the connection fitting 13 by a distance L1. The width L2 of the insertion portion 18
Is formed so as to be slightly larger than the width dimension L3 of the claw portion 16 so that the claw portions 16 and 17 of the connecting metal fitting 13 having a narrow vertical interval can be fitted to the upper and lower fin pieces 11 and 12 only at the insertion portion 18. I do. Reference numeral 19 denotes a mounting hole formed in the base portion 14 of the connection fitting 13 and a screw 20 such as a tapping screw is fastened thereto. The left and right folded ends 4a of the panel 4 surround the end of the cross beam 8 and are formed so that the cross section of the cross beam cannot be seen from the outside.

With this configuration, the connection fitting 1 is inserted from the insertion portion 18 of the cross beam 8 at least in the vertical position on the back surface of the panel 4.
3, the lower pair of claws 17 are inserted, and in this state,
Is moved sideways so as to approach the column 3, the upper and lower claws 1
The fins 6 and 17 remain in sliding contact with the upper and lower fins 11 and 12 of the cross beam 8 and do not fall off the fins 11 and 12.
Therefore, the operator performs the positioning in the height direction by bringing the left and right ends of the back surface of the panel 4 into contact with the column, and then shifts the connecting bracket 13 in the horizontal direction to move the clamp portion 15 into the mounting groove 7 of the column. Can be temporarily fixed, and in this state, the base 14 of the connection fitting 13 and the cross beam 8 are screwed into the screw 2.
It is only necessary to fasten at zero.

As described above, during the operation of bringing the panel 4 into contact with the column 3, the connecting fitting 13 does not fall off the cross beam 8 and can be moved in the horizontal direction (longitudinal direction of the cross beam). It is not necessary to hold the connection 13 by hand, and the work of mounting the connection fitting 13 becomes extremely easy. FIG. 7 shows the connecting bracket 1.
3 shows another embodiment of the claw portions in the shape of the cross beam 8 fixed to the rear surface of the panel 4, like those in the first embodiment, the so-called channel member cross-section U-shaped, groove vertical
The bottom plate 8a in the direct direction is spot-welded to the back surface of the panel 4,
Fins 11 having a flat surface are formed by bending upper and lower pieces 9 and 10 in the left and right directions horizontally so that the upper and lower ends of the bottom plate 8a are separated from the back surface of the panel 4, and bending the ends of the upper piece 9 upward and vertically. Is formed, and the end of the lower piece 10 is bent vertically downward to form the fin piece 12 having a flat surface.

On the other hand, the plate-like base 1 of the connection fitting 13
4 are horizontal upper and lower pieces 9 and 10 of the cross beam 8.
A pair of upper and lower claws 21, which are in sliding contact with the inner surface of
22 is formed by cutting and raising, and the elasticity of the pair of claws 21 and 22 in the widening direction prevents the connection fitting 13 from dropping off the horizontal beam 8 and can move along the left and right longitudinal direction of the horizontal beam 8. ing.

Then, in a state where the clamp portion 15 of the connection fitting 13 is fitted into the mounting groove 7 of the support,
Screw base 14 to the flat fin strips 11 and 12 to 20
Should be fastened. Figure 8 shows a third embodiment, the cross beams 8 to secure the back surface of the panel 4 'is also though a so-called channel member of a U-type, panel 4 in the vertical direction of the upper and lower fin pieces 11,12 Spot welding on the back of
Similarly, it is assumed that the vertical bottom plate 8a is located on the side distant from the back surface of the panel 4, and the upper and lower ends of the base 14 of the connection fitting 13 are opposed to the vertical bottom plate 8a of the cross beam 8 .
A pair of upper and lower claws 23 and 24 having a substantially rectangular cross section are provided so as to elastically sandwich the upper and lower pieces 9 and 10 in the horizontal direction intersecting therewith from above and below. The horizontal beam 8 is sandwiched between the outer surfaces of the upper and lower pieces 91 and 10 in the horizontal direction , and is slidable along the longitudinal direction. To attach the connection fitting 13, the base 14 is fastened to the outer surface of the vertical flat bottom plate 8 a of the cross beam 8 with a screw 20.

In the second and third embodiments, the elasticity is imparted to the pair of upper and lower claws 21 and 22 or the claws 23 and 24. Can be fitted. In each of the above embodiments, instead of the seven vertically long mounting grooves of the support 4,
The side surface of the support 4 (side surface away from the position of the cross beam) may be sandwiched by the clamp portion 15.
3 can be formed symmetrically in the vertical direction when viewed from the front, so that the same connecting fitting can be used for both the left and right columns 3 and 3.

The present invention is not limited to the case where the horizontal beam fixed to the back surface of the panel is connected to a column such as a shelf device, but it is needless to say that the present invention can be applied to the connection between a column of furniture or a house and the horizontal beam.

[0017]

[Effects of the Invention] As described above, the support of the present invention
Coupling device and the cross beam is to abutment arranged in a state that cross each other so as to face the outer flat surface of one side of <br/> vertical direction in the cross beam of the cross-section U-shaped, and an outer one side of the column, the connecting fitting to dispose straddling said cross beam and the support, and a clamp portion for sandwiching the mounting groove or side longitudinal formed in the strut, screwed to the outer flat surface of the vertical direction of the cross beam A base, wherein the base has the vertical
Is formed by bending and forming a pair of claw portions which are sandwiched or widened with respect to a pair of long horizontal parallel surfaces which intersect with the outer flat surface in the direction , and which are slidably contacted so as not to be separated from each other. The connecting fitting does not fall off when it is temporarily fixed.

The connecting fitting has a vertically long shape formed on a column.
Has a clamping part to clamp the mounting groove or side surface of
Therefore, shift the connecting bracket to the height
It will be acceptable and will be
Adjustment of beam attachment is also easy. Therefore, the operator is moved without pressing by hand connecting fitting, the connecting fitting the cross beam at tack state after the position held at a predetermined mounting position of the height of the column at predetermined determine location This has the effect of making the connection operation extremely easy.

[Brief description of the drawings]

FIG. 1 is a perspective view of a mu black.

FIG. 2 is an enlarged sectional view taken on line II-II of FIG.

FIG. 3 is a perspective view of each component.

FIG. 4 is a front view of a connection fitting.

FIG. 5 is a sectional view showing a connected state.

6 is a sectional view taken along the line VI-VI in FIG. 5;

FIG. 7 is a sectional view of a second embodiment.

FIG. 8 is a sectional view of a third embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Mu black 2 Rail 3 Support 4 Panel 5 Intermediate support 6 Shelf 7 Mounting groove 8 Cross beam 8a Bottom plate 9 Top piece 10 Bottom piece 11,12 Fin piece 13 Connection metal fitting 14 Base 15 Clamp part 16,17 Claw part 18 Insertion part 19 Mounting hole 20 Screw 21, 22, 23, 24 Claw

Claims (1)

(57) [Scope of request for utility model registration] And 1. A cross-section U-shaped outer planar surface of the vertical one side of the crossbeam of, so as to face an outer one side of the strut and abutment disposed in a state intersecting with each other, the said horizontal beams and struts the arrangement for connecting fitting astride, a clamp portion for sandwiching the mounting groove or side longitudinal formed in the strut,
A base that is screwed to the vertical outer flat surface of the cross beam, wherein the base has the vertical
Connection between the strut and the cross beam, characterized in that pinched or Hiro拡was and separated incapable provided by bending a pair of claw portions for sliding the pair of longitudinal horizontal parallel planes intersecting the outer flat surface apparatus.