JPH0744671Y2 - Partition device under floor panel in double floor - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a so-called double floor in which a large number of floor panels are laid on a floor base with appropriate vertical gaps, and this floor panel and the floor base are The present invention relates to the structure of a partition device for blocking smoke, odor, and the like that may flow in the upper and lower gaps between them.

[Conventional technology]

As a prior art for supporting the floor panel to form the so-called double floor, for example, in JP-A-61-162662, a long joist member is laid vertically and horizontally on the floor base, and these joist members are provided. A floor panel mounting configuration is disclosed.

[Problems to be solved by the device]

According to the configuration of this prior art, the notch recesses through which the wiring cords can be inserted are provided at appropriate intervals in the longitudinal direction of the joist member in the direction perpendicular to the longitudinal direction of the joist member.

Therefore, even if a wall panel is erected on the upper surface of the floor panel and partitioned as a room, if the odor or smoke generated in one room should flow into the vertical gap between the floor base and the floor panel,
These have a problem that they reach the distant place through the above-mentioned vertical gap, rise upward from the gaps such as the side portions of the laid floor panel, and the other room is filled with odor and smoke.

Conventionally, no measures have been taken against such a situation.

The present invention aims to solve this problem.

[Means for Solving the Problems]

In order to achieve this object, the present invention has a partition body projecting downward on a bottom surface of a floor panel or a joist member supporting the floor panel, which is laid on the floor base so that there is a vertical gap. A base body is provided upright along the longitudinal direction of the partition body, and one of the base body and the partition body can be fitted with a longitudinal engaging recess, and the other can be fitted with the engaging recess. Long engaging protrusions are provided respectively, and the engaging recesses or engaging protrusions are provided with elastic sealing means for sealing the fitting portions of the both.

[Function and effect of device]

With this structure, the base body is arranged and fixed in advance on the floor base portion in parallel with the division of the room and the like.

On the other hand, if the partition body is provided downwardly along the predetermined direction on the bottom surface of the floor panel located above the base body or the joist member supporting the floor panel, and the partition body is on the bottom surface of the floor panel, When this floor panel is laid and the partition body is provided on the joist member, the joist member is provided.

In this case, the engaging projections or the engaging recesses provided on the base body are fitted with the engaging recesses or the engaging projections of the partition member that is the counterpart member.

Then, since the sealing means is disposed along the longitudinal direction of either the engaging concave portion or the engaging convex portion, the fitting portion is closed by the elasticity of the sealing means.

In other words, with the base body and the partition body alone, although there is a gap at the fitting position between the base body and the partition body, since the sealing means is interposed, the left and right compartments of the base body and the partition plate must be completely blocked. The upper and lower gaps between the floor base and the floor panel above it are divided into left and right, and air cannot flow.

Therefore, according to the present invention, there is a remarkable effect that odors, smoke, and the like floating in the vertical gap between the floor base and the floor panel can be blocked very easily.

〔Example〕

An embodiment of the present invention will now be described with reference to the drawings. FIG. 1 shows the first embodiment, in which reference numeral 1 is a rectangular plan view arranged in a vertical and horizontal direction above a floor base A. Of the floor panels, reference numeral 2 is a long joist member for supporting each floor panel 1, reference numerals 3 and 3 are adjuster bolts that support the joist member 2 in height adjustable, and reference numeral 4 is the adjuster bolt. The bases for standing the lower end are shown respectively.

The floor panel 1 includes a thin box-shaped support frame 5 and an upper plate 7 made of a metal plate, and a lightweight and high-strength reinforcing member 6 such as a honeycomb member made of an incombustible material sandwiched in a sandwich shape. The four side edges of the upper plate 7 in each floor panel 1 are bent downward to form a side plate 8, and the mid-height portion of the side plate 8 is bent outward and then folded back into a U shape. As a result, the horizontal step portion 9 is formed on the four circumferential sides.

In the joist member 2, a pair of left and right support pieces 2b, 2b are horizontally formed from the left and right sides of an upwardly U-shaped base portion 2a extending along the longitudinal direction of the joist member 2, and the pair of support pieces 2b is formed. , 2b
The upper surface of the floor panel 1 is configured to support the lower surface of each side portion of the floor panel 1 that is adjacent to the left and right.

In addition, the base portion 2a of the joist member 2 has holes 10 for pulling out the wiring cords at appropriate intervals along the longitudinal direction of the joist member 2.
Has been drilled. Reference numeral 11 is a seal plate that closes the gap between the support pieces 2b, 2b and the lower surface of the floor panel 1.

Then, a longitudinal positioning member 12 also having an upward U-shaped cross section is fixed to the base portion 2a having an upward U-shaped cross section by spot welding at appropriate intervals, whereby the strength (rigidity) of the joist member 2 is increased. ) Acts as a reinforcement.

Further, the left and right vertical pieces of the positioning member 12 are projected upward from the left and right support pieces 2b, 2b so as to prevent the distance of the joint gap between the left and right floor panel 1, 1 side portions from being shortened. .

When the joist member 2 is disposed on the lower surface of the floor panel 1 in the middle thereof, the positioning member 12 is not provided.

Between the horizontal step portions 9, 9 facing each other on the left and right floor panels 1, 1 placed on the joist member 2, a joint gap having an appropriate width dimension is formed so that a wiring cord can be inserted therethrough. The floor panels 1, 1 having the floor panels 1 arranged adjacent to each other in the direction along the longitudinal direction of the joist member 2 and in the direction perpendicular thereto.
A joint cover body 13 made of a synthetic resin material or the like having a downward U-shaped cross section is fitted into both of the horizontal steps 9 and 9 facing each other so as to close the joint gap therebetween.

Reference numeral 14 is a screwing portion for screwing the upper side of the adjuster bolt 3, and each screwing portion 14 performs burring on the pair of left and right support pieces 2b, 2b of the joist member 2 and forms an internal thread on its inner diameter portion. Or a nut is fixed, and the position of the screwing portion 14 is usually located near the corner portion of the adjacent floor panel 1 in the vertical or horizontal direction.

The base 4 is to fix the lower surface of the central portion 4a to the floor base A with an adhesive or an anchor bolt (not shown). Then, the floor base A is bent and formed so as to have an appropriate gap.

The left and right side pieces 4b, 4b of the base 4 are provided with insertion holes 15 into which the adjuster bolts 3 are fitted.

Further, on the upper surface of the floor panel 1, a cover body such as a carpet is provided.
20 is stretched or placed, and after the floor panel 1 is laid, the side edges of the adjacent adjoining body parts are arranged so as to be in close contact with each other without a gap.

Then, the pair of left and right support pieces 2b, 2 in the joist member 2
The outer side of b is bent downward to integrally provide longitudinal partition bodies 16, 16.

Reference numerals 17 and 17 denote elongated base members fixed to the floor base A along the lower portions of the partition members 16 and 16 of the joist member 2, and the base members 17 have lower ends of the partition plates 16 respectively. An engagement recess 18 formed in the shape of a longitudinal groove that is open upward is provided so that the engagement projection 16a can be fitted in a loose state.

In this embodiment, the engaging recess 18 is formed by fixing the base body 17 to two long members having an L-shaped cross section so that a gap can be formed between the vertical pieces.

Reference numeral 19 is a long sealing body as a component of the sealing means fitted into each of the engaging recesses 18, and the sealing body 19 in the present embodiment is a synthetic rubber material or a sponge material in a solid cord shape such as a circular cross section. The engaging projection 16a, which is the lower end of the partition body 16, presses against the seal body 19 in the engagement recess 18 and elastically deforms the seal body 19, thereby engaging the projection. The gap between the fitting portion and the engaging recess is completely closed, whereby the vertical gap between the floor base A and the floor panel 1 above it is blocked left and right at the fitting position between the base body and the partition body. As a result, the flow of air is blocked, so that it is possible to prevent odor and smoke in the upper and lower gaps from leaking to the other area.

If the groove-shaped engaging recess 18 is deep, the support plate 22 having the spring 21 attached to the lower surface is fitted into the engaging recess 18, and the seal body 19 is disposed on the supporting plate 22. By using the sealing means, the engaging convex portion 16a at the lower end of the partition body 16 is in close contact with the upper surface of the seal body 19 over substantially the entire length thereof, and the fitting portion between the engaging concave portion and the engaging convex portion is closed.

This support plate 22 may extend over the entire length of the seal body 19,
They may be provided at appropriate intervals in the longitudinal direction of the seal body 19.

2 and 3 show a second embodiment, in which a partition body 23 having an L-shaped cross section is provided on the lower surface of the floor panel 1 so as to project downward with screws 24 or an adhesive, and Is a long base body
A pair of left and right long vertical plates 26, 26 are projectingly provided on the substrate 25a of 25 (integrally formed by welding or extrusion molding).
The space between 6 and 26 is formed as a longitudinal groove-shaped engagement concave portion 27 into which the engagement convex portion 23a at the lower end of the partition body 23 is fitted.

Reference numeral 28 is a sealing body having a longitudinal hollow cross section as a sealing means disposed in the engagement recess 27, and the sealing body 28 seals the front and rear ends of a soft rubber tube or the like to form a partition body 23.
When pressed by, the structure is such that it does not become flat easily and has an appropriate elasticity.

In the sealing means shown as the third embodiment of FIG. 4, as in the embodiment of FIG. 1, when the engaging recess 27 has a deep depth or when it is pressed by the partition member 23, Support plate with springs 21 attached to the lower surface at appropriate intervals in order to complete the sealing property (sealing property) when the elastic deformation of 28 is insufficient.
The configuration is such that the seal member 28 is supported by 22 at a high position.

FIG. 5 shows another embodiment as the sealing means 29. In this sealing means 29, springs 31 are attached to the lower surface of a longitudinal support plate 30 made of synthetic resin or metal at appropriate intervals, while a sponge-like sealing body is provided on the upper surface. The 32 is integrally formed or fixed with an adhesive.

It is of course possible to apply the sealing means 29 to the base body 17 shown in FIG.

FIG. 6 shows a case where the base body 33 and the partition body 34 are bent and formed in an L-shape in a plan view, and in this case, the sealing means can be bent like the string-shaped seal body 19 or the tube-shaped seal body 28. You can use a good one.

In the present invention, a long engaging concave portion is formed on the lower end or the side surface of the partition body, while a long engaging convex portion that fits into the engaging concave portion is formed on the base body, and the engaging concave portions are formed by the above-described respective embodiments. Even if the example sealing means is attached, the sealing performance is not impaired.

[Brief description of drawings]

The drawings show an embodiment of the present invention. FIG. 1 is an enlarged sectional view of an essential part of the first embodiment, and FIG. 2 is an enlarged sectional view of an essential part of the second embodiment.
FIG. 3 is a side view taken along the line III-III in FIG. 2, FIG. 4 is a perspective view of a third embodiment, FIG. 5 is a perspective view of another embodiment of the sealing means, and FIG. It is a top view of an example. A: floor base, 1 ... floor panel, 2 ... joist member, 2a ...
… Base, 2b, 2b …… Supporting piece, 3 …… Adjuster bolt,
4 ... Base, 7 ... Top plate, 8 ... Floor panel side plate, 9 ...
… Horizontal step, 11 …… Seal plate, 13 …… Joint cover,
14 …… Screwed part, 15 …… insertion hole, 16,23,34 …… partition body, 1
7,25,33 …… Base body, 19,28,32 …… Seal body, 29 ……
Sealing means, 21,31 ... Springs, 22,30 ... Support plates.

Claims (1)

[Scope of utility model registration request] 1. A partition body is provided on a lower surface of a floor panel or a joist member supporting the floor panel, which is laid so as to have a vertical gap on the floor base. A base body is provided upright along the longitudinal direction, and one of the base body and the partition body has a longitudinal engaging concave portion, and the other has a longitudinal engaging portion that can be fitted into the engaging concave portion. Each of the engaging concave portions or the engaging convex portions is provided with a sealing means having elasticity for sealing a fitting portion between the engaging concave portion and the engaging convex portion. Partition device.