JP3184819U - Double floor support legs - Google Patents

Abstract

The present invention relates to a double floor in which wiring of equipment is laid under a floor panel of a building, and the cost of manufacturing can be reduced, parts can be assembled more smoothly, and adverse effects on the environment are reduced. Provide support legs.
A base 10 having a plate 11 and a support bolt 12 extending on the upper surface of the plate, and screwed into the support bolt, a contact portion is provided on the lower stage, and an assembly part is provided on the upper stage. The outer diameter of the contact portion is larger than the outer diameter of the assembly portion, and a tightening portion is provided between the contact portion and the assembly portion. The tightening portion includes the engagement neck portion and the engagement neck portion. An inner peripheral edge around the through-hole so that a tube having an annular clamping edge extending in the radial direction from the upper edge and a through-hole formed in the center and the through-hole corresponding to the engagement neck of the tightening portion of the tube Has a plate 40 sandwiched between the abutment portion of the tube and the sandwiching edge portion of the tightening portion.
[Selection] Figure 1

Description

The present invention particularly relates to a support leg for supporting a floor panel of a double floor.

A double floor mainly forms a space between a floor and a floor panel by installing a plurality of support legs on the floor and installing a floor panel between the support legs. By doing so, the wiring of various devices can be stored using the space in the building. Therefore, it is possible to store complex wiring such as cables, telephone lines, and LAN cables in the building under the floor panel, effectively use all the original space in the building, and lay equipment wiring safely. Can do.

The existing double-floor support leg has a base, a tube, and a support plate, and a bolt is extended upward on the upper surface of the base, and the tube is attached to the bolt and is attached to the support leg. A hole is formed in the central portion of the plate, and the plate is attached to the tube through the hole. However, according to this configuration, it is necessary to perform electroplating after the tube and the support plate are coupled by welding means.

In this way, the existing double-floor support legs must be electroplated after the tube and support plate are welded, which is cumbersome to manufacture, expensive, and negatively impacting the environment. In order to solve these problems, it was necessary to improve the manufacturing technique.

A support floor for a double floor according to the present invention includes a base including a plate and a support bolt extending on an upper surface of the plate,
The contact bolt is screwed together, and a contact portion is provided at the lower stage, an assembly portion is provided at the upper stage, and the outer diameter of the corresponding contact portion is larger than the outer diameter of the assembly portion. A tightening portion is provided between the assembly portion, and the tightening portion includes an engagement neck portion, and a tube including an annular clamping edge portion extending in a radial direction from the upper edge of the engagement neck portion;
A through hole is formed in the center, and the inner peripheral edge of the periphery of the through hole is formed between the abutment portion of the tube and the clamping edge of the tightening portion so that the through hole corresponds to the engagement neck portion of the tightening portion of the tube. And a plate sandwiched between the two.

In such a double-floored support leg, it is preferable that the clamping edge portion punches and pushes out the tightening portion of the tube.

In such a double-floor support leg, a support cap that is engaged with the plate and has a central hole formed in the center, and the central axis of the central hole is the same as the central axis of the tube;
It is preferable to have an assembly bolt inserted along the axial direction of the tube and provided with a head at the upper end.

In such a double floor support leg, a positioning hole is formed on the outer peripheral surface of the abutting portion of the tube,
Moreover, it is preferable to provide a contact bolt that is attached to the tube so as to be inserted into the positioning hole and whose inner end can contact the support bolt.

In such a double floor support leg, an internal thread is formed on the inner peripheral surface of the tube, and the tube is screwed onto the support bolt by the internal thread.
Preferably, the assembly bolt is screwed into the female thread of the tube.

Since the double leg support leg according to the present invention has the above-mentioned structure, the punched tube can firmly hold the plate, and it is necessary to use processing such as welding or electroplating to join the tube and the plate. Therefore, manufacturing costs can be reduced, parts can be assembled more smoothly, and adverse effects on the environment can be reduced.

It is a perspective view which shows the use condition of the support leg of the double floor which concerns on this invention. It is a disassembled perspective view of the support leg of the double floor which concerns on this invention. In the support leg of the double floor which concerns on this invention, it is a fragmentary sectional view which shows the state which punched the fastening part and fastened the plate to the tube. In the support leg of the double floor which concerns on this invention, it is a fragmentary sectional view which shows the state in which the plate was attached to the tube before punching a clamping part.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, the following Example is only what showed the preferred embodiment of this invention, and the technical scope of this invention is not limited to the following Example itself at all.

As shown in FIGS. 1 and 2, the double-floor support leg according to the present invention includes a base 10, a tube 20, a contact bolt 30, a plate 40, a support cap 50, and an assembly bolt 60. The base 10 includes a plate body 11 and support bolts 12 extending upward on the upper surface of the plate body 11.

As shown in FIG. 3, the tube 20 is movably screwed to the support bolt 12, an internal thread 21 is formed on the inner peripheral surface thereof, and the female screw 21 is screwed to the support bolt 12, The tube 20 is movably attached to the support bolt 12. According to this configuration, when the tube 20 rotates, the tube 20 can move upward or downward along the support bolt 12.

Further, the tube 20 is provided with a contact portion 22 at the lower stage and an assembly portion 23 at the upper stage, and the outer diameter of the corresponding contact portion 22 is larger than the outer diameter of the assembly portion 23. Positioning holes 24 are formed in the outer peripheral surface of the 22. In addition, a tightening portion 25 is provided between the abutting portion 22 and the assembly portion 23 of the tube 20, and the tightening portion 25 extends radially from the engagement neck portion 251 and the upper edge of the engagement neck portion 251. And an annular clamping edge 252.

The contact bolt 30 is attached to the tube 20 so as to be inserted into the positioning hole 24, and the relative position between the contact bolt 30 and the tube 20 is adjusted by twisting the contact bolt 30. When the inner end of the contact bolt 30 contacts the support bolt 12, the tube 20 can no longer rotate with respect to the support bolt 12, and the tube 20 and the support bolt 12 are positioned.

A through hole 41 is formed at the center of the plate 40, and the inner periphery of the plate 40 around the through hole 41 corresponds to the engagement neck portion 251 of the tightening portion 25 of the tube 20. Since it is clamped between the contact portion 22 and the clamping edge portion 252 of the clamping portion 25, the plate 40 can be firmly clamped to the tube 20.

As shown in FIG. 4, in the double floor support leg according to the present invention, the fastening portion 25 of the tube 20 is originally provided on the outer peripheral surface of the assembly portion 23 before the plate 40 is fastened to the tube 20. Is cylindrical, the plate 40 can be wrapped around the fastening portion 25.

As shown in FIG. 3, when the clamping part 25 of the tube 20 is subsequently punched, a part of the clamping part 25 is deformed to push out the clamping edge part 252 and the part where the clamping part 25 is not deformed is related. It becomes the neck portion 251. According to this configuration, the inner peripheral edge around the through hole 41 of the plate 40 can be firmly held between the contact portion 22 and the tightening portion 25 of the tube 20 by the holding edge portion 252 pushed out by the punch.

The support cap 50 is engaged so as to overlap the upper portion of the plate 40, and a center hole 51 is formed at the center. The center axis of the center hole 51 of the support cap 50 is the same as the center axis of the tube 20.

The assembly bolt 60 is attached to the support cap 50 so as to pass through the center hole 51 from the upper surface of the support cap 50, and the assembly bolt 60 is screwed to the female screw 21 of the tube 20. The tube 20 is inserted along the axial direction of the tube 20, and a head 61 is provided at the upper end thereof.

As shown in FIG. 1, in the present invention, four floor panels 70 are supported using a double-floor support leg, and one corner of each floor panel 70 is placed on the upper surface of the support cap 50. The bolt 60 is clamped between the head 61 and the upper surface of the support cap 50.

As described above, in the support leg of the double floor according to the present invention, by punching the tube 20, the tube 20 can firmly hold the plate 40, so that welding is performed at a bonding portion between the tube 20 and the plate 40. In addition, since there is no need to use processing such as electroplating, manufacturing costs can be reduced, parts can be assembled smoothly, and there is also an advantage of being environmentally friendly.

DESCRIPTION OF SYMBOLS 10 Base 11 Plate body 12 Support bolt 20 Tube 21 Female screw 22 Contact part 23 Assembly part 24 Positioning hole 25 Fastening part 251 Engagement neck part 252 Nipping edge part 30 Contact bolt 40 Plate 41 Through-hole 50 Support cap 51 Center hole 60 Assembly Bolt 61 Head 70 Floor panel

Claims (8)

A base comprising a plate body and a support bolt extending on the upper surface of the plate body;
The contact bolt is screwed together, and a contact portion is provided at the lower stage, an assembly portion is provided at the upper stage, and the outer diameter of the corresponding contact portion is larger than the outer diameter of the assembly portion. A tightening portion is provided between the assembly portion, and the tightening portion includes an engagement neck portion, and a tube including an annular clamping edge portion extending in a radial direction from the upper edge of the engagement neck portion;
A through hole is formed in the center, and the inner peripheral edge of the periphery of the through hole is formed between the abutment portion of the tube and the clamping edge of the tightening portion so that the through hole corresponds to the engagement neck portion of the tightening portion of the tube. And a support leg of a double floor, characterized by comprising: a plate sandwiched between the two. 2. The double leg support leg according to claim 1, wherein the sandwiching edge portion punches and pushes out a tightening portion of the tube. And a support cap that is engaged with the plate and has a central hole formed in the center thereof, and the central axis of the central hole is the same as the central axis of the tube;
The support leg for a double floor according to claim 1, further comprising an assembly bolt inserted along the axial direction of the tube and provided with a head at an upper end. And a support cap that is engaged with the plate and has a central hole formed in the center thereof, and the central axis of the central hole is the same as the central axis of the tube;
The support leg of the double floor according to claim 2, further comprising an assembly bolt inserted along the axial direction of the tube and provided with a head at an upper end. A positioning hole is formed on the outer peripheral surface of the contact portion of the tube,
The double floor according to claim 1, further comprising a contact bolt attached to the tube so as to be inserted into the positioning hole and having an inner end capable of contacting the support bolt. Support leg. A positioning hole is formed on the outer peripheral surface of the contact portion of the tube,
The double floor according to claim 3 or 4, further comprising a contact bolt attached to the tube so as to be inserted into the positioning hole and having an inner end capable of contacting the support bolt. Support leg. An internal thread is formed on the inner peripheral surface of the tube, and the tube is screwed onto the support bolt by the internal thread.
The support leg of the double floor according to claim 3 or 4, wherein the assembly bolt is screwed into an internal thread of the tube. An internal thread is formed on the inner peripheral surface of the tube, and the tube is screwed onto the support bolt by the internal thread.
The double leg support leg according to claim 6, wherein the assembly bolt is screwed into an internal thread of the tube.