JP2003161032A - Hatch structure of building - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To accurately and easily carry out the joint matching and pattern matching of a flooring board of a floor with that of a hatch plate for opening/ closing an opening opened in the flooring board of the floor, in a hatch structure of a building, which is fitted with a hatch unit in which the opening is opened in the floor partitioning an underfloor space and a space above the floor, and in which the hatch plate is provided in the opening in an openable/closable manner. <P>SOLUTION: An edge frame 10, which is mounted on an outer frame 17b of the hatch unit Hu, is mounted by being positioned onto a mounting surface 8 having a space Sp for positioning, which is formed at a peripheral edge of the opening 2 of the floor Fr, so that the flooring boards 6 and 18b can be laid by being positioned onto substrate materials 5, 11 and 18a of the floor Fr, the edge frame 10 and the hatch plate 18. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hatch structure in a building in which a hatch plate is openably and closably provided in an opening formed in a floor for partitioning an upper floor space and an underfloor space.

[0002]

2. Description of the Related Art Conventionally, in a building such as an apartment house, an opening is opened in the floor that separates the space above the floor from the space below the floor, and this opening can be opened and closed by a hatch plate.
It is known that the underfloor space can be used as a storage case.

[0003]

By the way, in the case where the finishing plate for the floor is formed by joining and joining a plurality of elongated decorative veneers like a wooden flooring board, the flooring boards on the hatch plate side are joined together. It is extremely difficult to align the eyes with the seams of the flooring board on the floor side, which causes the appearance to be poor and the product value of the floor as a whole to be significantly reduced, making it practically unusable. Yes, again
In order to compensate for such a decrease in commercial value, a method of edging the outer peripheral edge of the hatch plate with a decorative metal material such as aluminum has been attempted.However, in this case, a step is formed between the floor plate and the hatch plate. However, there is another problem that the floor surface cannot be smoothed.

The present invention has been made in view of the above circumstances, and it is possible to accurately match the seam of a finishing plate such as a flooring plate on the hatch plate side with the seam of a finishing plate such as a flooring plate on the floor side. Therefore, it is an object of the present invention to provide a novel hatch structure in a building in which the position of the hatch unit with respect to the opening can be adjusted to the front, rear, left and right to solve the above problem.

[0005]

In order to achieve the above object, the invention according to the first aspect of the present invention provides an opening in a floor which separates an upper floor space and an underfloor space, and a hatch plate is provided in the opening. In a hatch structure in a building, in which a hatch unit that is openable and closable is attached, an edge frame is detachably attached to the outer frame of the hatch unit, and the edge frame is
On the mounting surface having a space for position adjustment formed on the periphery of the opening portion of the floor, the position is adjusted in the front-rear direction and the left-right direction, and the mounting is performed, on the base material of the floor, the edge frame and the hatch plate. It is characterized by laying a finishing plate, and according to such a feature, it is possible to accurately align and pattern the finishing plate of the floor having the opening and the finishing plate of the hatch plate for opening and closing the opening. Therefore, it is possible to improve the appearance of the entire floor and enhance its commercial value.

In order to achieve the above object, the invention according to claim 2 is the same as that according to claim 1.
The hatch unit is characterized in that it can be detached from the edge frame attached to the peripheral edge of the opening so that it can be removed from the opening. It is easy to replace and maintain parts such as frames.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below based on the embodiments of the present invention shown in the accompanying drawings.

First, referring to FIGS. 1 to 6, the first aspect of the present invention will be described.
Examples will be described.

FIG. 1 is a cross-sectional view of a part of a building provided with the hatch structure of the present invention, FIG. 2 is a cross-sectional view taken along line 2-2 of FIG. 1, and FIG. Enlarged view of the virtual line enclosure,
4 is a partially cutaway plan view taken along line 4-4 of FIG.
FIG. 6 is an enlarged cross-sectional view taken along line 5-5 of FIG. 4, and FIG. 6 is an operation diagram showing a process of attaching the hatch unit to the floor opening.

In FIGS. 1 and 2, a skeleton F constituting a skeleton of a building such as an apartment house is vertically adjacent to a horizontal skeleton portion Fh which horizontally extends to divide the building into a plurality of upper and lower floors. The horizontal skeleton portion Fh is provided with a vertical skeleton portion Fv that connects the horizontal skeleton portions Fh to each other. The horizontal skeleton portion Fh has a so-called reverse beam structure in which a plurality of reverse beams Rb are integrally projecting upward on the upper surface of the slab S. It is configured. Each floor of the building
It is divided into a plurality of living spaces 1 by the reverse beams Rb, and a hatch structure according to the present invention is selectively constructed in these living spaces 1.

The structure of the living space 1 having the hatch structure will be described below. In the living space 1, the floor Fr is used by the floor space Cu to be used as a living room and the underfloor space to be used as an article storage room. It is divided into Cd.
The underfloor space Cd that functions as an article storage room is surrounded by reverse beams Rb on all four sides, and the entire area is configured as one large room without partitions.

As shown in FIG. 1, a rectangular opening 2 is opened in the middle of the floor Fr, and a person can enter the underfloor space Cd through this opening 2 and take things in and out.
A hatch unit Hu is provided in the opening 2, and the hatch unit Hu of the hatch unit Hu is provided with a hatch plate 18 which can be opened and closed.

The floor Fr comprises a plurality of large pull beams 3 supported on the reverse beam Rb via a vibration-proof rubber, a plurality of joists 4 mounted on them at right angles, and the joists 4 thereof. The base material 5 is laid and fixed on the base material 5, and the finishing plate, that is, the flooring plate 6 is laid and fixed on the base material 5. The flooring plate 6 is a conventionally known one, and is constructed by joining a plurality of flooring modules 6a, which are made by joining a plurality of strip-shaped decorative veneers in one plane, to the size of the floor area of the living room.

In order to support the floor Fr, there is no conventional bundle on the slab S.
The noise transmitted to r is not transmitted directly to the downstairs through the slab S.

As clearly shown in FIG. 3, two large pulling beams 3 are combined in a plurality of rows below the peripheral edges of the four sides of the rectangular opening 2 along the peripheral edges of the openings. A double-row large-drawing beam 3d is provided.
Wooden joists 4 are placed on d, and wooden base materials 5 are laminated and fixed on the joists 4 by nails 9. The edge of the base material 5 is receded from the edge of the joist 4, and on the edge of the joist 4, a position adjusting space of the hatch unit Hu described later, that is, for forming a "relief" Sp is formed. A mounting surface 8 formed of a step surface is formed. Then, as will be described later, the base material 11 of the edge frame 10 that is detachably fixed to the outer peripheral edge of the hatch unit Hu is nailed to the mounting surface 8 in a positionally adjustable manner. The edge frame 10
Is a metal reinforcing frame 12 having a rectangular cross section, which is provided so as to frame the inner peripheral edge of the opening 2, and the same wooden base material 11 fixed so as to project outward on the frame. The angle member 13 is fixed to the angle member 13 with nails 16, and the base material 11 of the edge frame 10 is an angle member 13.
At the same time, it is fixed to the mounting surface 8 on the joist 4 by a nail 14 so that its position can be adjusted. Then, a finishing plate, that is, a flooring plate 6 is laid and fixed across the base material 5 on the floor Fr side and the base material 11 on the edge frame 10 side, and the edge frame 10 has the opening 2
Border the inner peripheral edge of.

On the other hand, the hatch unit Hu provided in the opening 2 is constructed by connecting a hatch plate 18 to an opening recess of a rectangular hatch frame 17 so as to be openable and closable by a link opening / closing mechanism Li which will be described later. Hatch frame 17
The outer frame 17b is integrally joined to the inner peripheral surface of the hatch frame main body 17a.

The hatch plate 18 is constructed by joining a flooring plate 18b to a base material 18a made of an aggregate material such as a veneer plate and edging the outer edges of the flooring plate 18b with an edging frame 18c having a U-shaped cross section. Then, this hatch frame 17
As shown in FIG. 3, the edge frame 10 has the nail 1 on the outer surface of the nail 1.
It is detachably attached by 9, 21.

As shown in FIG. 5, the hatch unit Hu
Between the hatch frame 17 and the hatch plate 18, a pair of link opening / closing mechanisms L for opening / closing the hatch plate 18 are provided.
i and a gas spring Gs are provided. The pair of link opening / closing mechanisms Li are connected between the hatch plate 18 and the hatch frame 17 so that the maximum opening angle of the hatch plate 18 is 90 ° or more (95 ° in this embodiment). The pair of link opening / closing mechanisms Li includes a hatch frame 1
The base ends of the first link 25 and the second link 26 are rotatably supported in the up-down direction by a base plate 24 having an inner surface fixed to the base plate 7, and are fixed to the back surface of the hatch plate 18. The third and fourth links 27, 28 are rotatably supported on the other substrate 30 at intervals in the lateral direction so as to be vertically rotatable, respectively.
And the free ends of the third and fourth links 27, 28 are rotatably pin-connected 31, 32, respectively. The second link 26 and an intermediate portion of the third link 27 are pin-connected 33, and a tension spring 34 is stretched between the connection 33 portion and the base end side connecting portion of the first link 25. The elastic force of the tension spring 34 causes the link opening / closing mechanism Li
The hatch plate 18 is elastically held at the maximum opening angle via the so as to prevent the hatch plate 18 from rattling at the open position.

As shown by the solid line in FIG. 5, the hatch plate 1
When 8 is in the closed position, that is, the opening 2 is closed, the link opening / closing mechanism Li is in the folding position, and the tension spring 34
Is held by the bullet. Then, when the hatch plate 18 starts to open, the first to fourth links 25 to 28 stand and rotate,
When the hatch plate 18 is fully opened (fully-open angle of about 95 °), the links 25 to 28 are extended and elastically held at their positions by the tension springs 34. The hatch plate 18 is stably held in the fully open position and does not rattle due to vibration or disturbance.

Since the open / close link mechanism Li is not the subject matter of the present invention, its detailed description is omitted.

Further, as shown in FIG. 5, between the inner surface of the hatch frame 17 and the rear surface of the hatch plate 18, both ends of a pair of gas springs Gs are connected to each other, close to the link opening / closing mechanism Li. The gas spring Gs is a conventionally well-known one and can assist the opening of the hatch plate 18, and is in a contracted state when the hatch plate 18 closes the opening 2.

Next, the procedure for attaching the hatch unit Hu to the opening 2 will be described mainly with reference to FIG.

Hatch unit setting process [Fig. 6
(See (a)] First, the edge frame 10 is nailed to the outer peripheral surface of the hatch unit Hu to which the flooring plate 18b is not joined.
Then, it is nailed by, and it is inserted into the opening 2 and set.

Position adjustment process of the hatch unit [Fig. 6
(B)] In this set state, the base material 11 projecting outward of the edge frame 10 is placed on the mounting surface 8 which is a stepped surface on the joist 4 on the floor Fr side. At this time, the base material 11 is attached to the edge frame 10.
And the base material 5 on the floor Fr side, a space Sp for position adjustment, that is, a "relief" is formed, so that the hatch unit Hu is set in the front-rear and left-right directions with respect to the opening 2. The position can be adjusted freely.

Completion of installation of the hatch unit and joining of flooring plates [see FIG. 6 (c)] When the position of the hatch unit Hu is adjusted with respect to the opening 2 and the set position of the hatch unit Hu is determined, the hatch unit Hu is set. The edge frame 10 fixed to the unit Hu is attached to the floor Fr.
The floor joists 4 are fastened with nails 14 on the side joists 4, and flooring plates 6 and 18b are laid and joined to the base material 5 of the floor Fr, the base material 11 of the edge frame 10 and the base material 18a of the hatch unit Hu. At this time, by performing the position adjustment, as shown in FIG. 1, it is possible to accurately align the joint between the flooring plate 18b on the hatch unit Hu side and the flooring plate 6 on the floor Fr side, Moreover, the upper surface of the flooring plate 18b of the hatch unit Hu and the upper surface of the flooring plate 6 on the floor Fr side can be adjusted to be flush with each other.

By the way, in the state in which this step is completed, the hatch unit Hu is attached to the opening 2 so as to be openable and closable at a regular position, and the opening 2 is, as shown in FIG.
It is opened and closed by the hatch plate 18 of the hatch unit Hu. When the opening 2 is closed by the hatch plate 18, the flooring plate 18b on the side of the hatch plate 18 and the floor Fr side of the flooring plate 6 can be aligned with each other, and the flooring plates 6 and 6 can be aligned with each other. 18b can be made to coincide with one plane, the appearance of the floor surface provided with the hatch plate 18 can be adjusted, and the commercial value thereof can be significantly improved, and no step is formed on the floor surface. The floor can be barrier-free.

Hatch unit removal process [Fig. 6 (d)]
Reference] The edge frame 10 fixed to the hatch unit Hu is the nail 2
1 can be separated from the hatch unit Hu, the hatch unit Hu as a single unit can be removed from the opening 2, and maintenance such as replacement of the edging frame 18c of the hatch unit Hu can be easily performed. be able to.

In this embodiment, since the wooden reinforcing frame 12 is fixed to the edge frame 10, the nail 35 is attached to the flooring plate 6 from the upper surface toward the reinforcing frame 12 as shown by a chain line in FIG. It can be driven and the flooring plate 6 can be prevented from being turned up.

Next, referring to FIGS. 7 and 8, the second embodiment of the present invention will be described.
Examples will be described.

FIG. 7 is a sectional view of the same hatch structure as that of FIG. 3 of the first embodiment, and FIG. 8 is an action diagram showing a process of attaching the hatch unit to the opening of the floor. The same elements as those in the first embodiment are designated by the same reference numerals.

The second embodiment is different in the structure of the edge frame 10 that borders the opening edge of the opening 2. Specifically,
The wooden reinforcing frame 12 of the first embodiment is removed, and the edge frame 10 is configured by fixing the base material 11 on the upper surface of the angle member 13 made of metal, and the hatching is formed on the vertical side surface of the angle member 13. The outer frame 17b of the frame 17 is directly nailed.

In the second embodiment, the procedure for attaching the hatch unit Hu to the opening 2 is the same as in the first embodiment, as shown in FIGS. The angle member 1 of the edge frame 10 directly nailed to the outer frame 17b of the hatch unit Hu is performed through the unit position adjusting process, the hatch unit installation completion process, and the flooring plate joining process.
3 is nailed to the stepped portion 8 on the joist 4 of the floor Fr in a positionally adjustable manner. Then, the base material 5 and the edge frame 10 of the floor Fr
The flooring plates 6 and 18b are laid and bonded on the base material 11 of No. 1 and the base material 18a of the hatch unit Hu, and
Like the embodiment, as shown in FIG. 1, the hatch unit Hu
Side flooring plate 18b and the floor Fr side flooring plate 6 can be made to coincide with each other, and the upper surface of the flooring plate 18b of the hatch unit Hu and the floor F.
The upper surface of the flooring plate 6 on the r side can be adjusted to be the same surface.

Further, as shown in FIG. 8 (d), the hatch unit Hu can be removed from the opening 2 through the hatch unit removing step. At that time, the hatch unit H can be removed.
Since the outer frame 17b of u is separated from the angle member 13 of the edge frame 10 and the edge frame 10 is left on the floor Fr side, the parts replacement and maintenance of the hatch unit Hu are easily performed as in the first embodiment. be able to.

As described above, the second embodiment also has the same effects as the first embodiment.

Next, a third embodiment of the present invention will be described with reference to FIG.

FIG. 9 is a sectional view of the hatch structure, in which the same elements as those in the second embodiment are designated by the same reference numerals.

The third embodiment is the same as the second embodiment, except that the supporting structure for the floor Fr is a floor structure, and a plurality of struts S are provided on the slab S via a vibration-proof rubber 40. A bundle 41 is erected, a base panel 42 is laid and fixed on the bundle 41, and a base material 43 and a flooring plate 6 are laminated on the base panel 42. The edge frame 10 that is nailed to the outer frame 17b of the hatch unit Hu is nailed to the position adjusting step portion 8 on the base panel 42 by adjusting the left and right and front and rear positions.

As in the first and second embodiments, the flooring plates 6 and 18b can be laid on the floor Fr and the hatch unit Hu in alignment with each other. The same as in the first and second embodiments. It produces a working effect.

Although the embodiments of the present invention have been described above, the present invention is not limited to the embodiments and various embodiments can be made within the scope of the present invention.

For example, in the above-mentioned embodiment, the case where the present invention is applied to an apartment house having a frame of a reverse beam structure has been described, but it goes without saying that the present invention can also be applied to other buildings such as a detached house. is there. Further, other finishing plates may be used in place of the flooring plate of the above embodiment.

[0041]

As described above, according to the first aspect of the present invention, an opening is provided in the floor that separates the above-floor space and the underfloor space, and the hatch plate is opened and closed in this opening. In a hatch structure in a building, in which a hatch unit is attached, a floor finishing plate with an opening can be precisely aligned and patterned with a finishing plate of a hatch plate that opens and closes the opening, It is possible to improve the appearance of the entire floor and enhance its commercial value.

According to the second aspect of the invention, in addition to the above effects, replacement and maintenance of parts such as the outer frame of the hatch unit are facilitated.

[Brief description of drawings]

FIG. 1 is a transverse sectional view of a part of a building provided with a hatch structure of the present invention (first embodiment).

FIG. 2 is a sectional view taken along line 2-2 of FIG.

FIG. 3 is an enlarged view of a portion surrounded by a virtual line as seen from an arrow 3 in FIG.

FIG. 4 is a partially cutaway plan view taken along line 4-4 of FIG.

5 is an enlarged sectional view taken along line 5-5 of FIG.

FIG. 6 is an operation diagram showing a process of attaching the hatch unit to the floor opening.

FIG. 7 is a sectional view of the same hatch structure as FIG. 3 (second embodiment).

FIG. 8 is an operation diagram showing a process of attaching the hatch unit to the opening of the floor (second embodiment).

FIG. 9 is a sectional view of a hatch structure (third embodiment).

[Explanation of symbols]

2 openings 5 Base material 6 Finishing board (flooring board) 8 Mounting surface (step surface) 10 edge frame 11 Base material 17b outer frame 18 hatch plate 18a Base material 18b Finishing board (flooring board) Cu Floor space (living room) Cd Underfloor space (goods storage room) Fr floor Hu hatch unit

Continued front page    (72) Inventor Ikuo Iida             Takagi Rene 14-16 Takamachi Shinmachi, Oita City, Oita Prefecture             Sub Building 2F, Renes Labs Inc. (72) Inventor Hiroshi Okita             Takagi Rene 14-16 Takamachi Shinmachi, Oita City, Oita Prefecture             Subaru 2F Renesas Institute Co., Ltd.

Claims (2)

[Claims] 1. An opening (2) is opened in a floor (Fr) separating an upper floor space (Cu) and an underfloor space (Cd), and a hatch plate (18) can be opened and closed in the opening (2). In a hatch structure in a building in which a hatch unit (Hu) provided in the above is attached, an edge frame (10) is detachably attached to an outer frame (17b) of the hatch unit (Hu), and the edge frame (10) is attached. Is mounted on the mounting surface (8) having a space (Sp) for position adjustment formed at the periphery of the opening (2) of the floor (Fr) by adjusting the position in the front-rear direction and the left-right direction. , Edge frame (10)
And the base material (5,11,1) of the hatch plate (18)
A hatch structure in a building, characterized in that a finishing plate (6, 18b) such as a flooring plate is laid on each of 8a). 2. The hatch unit (Hu) is separated from the edge frame (10) attached to the peripheral edge of the opening (2) and is detachable from the opening (2). The hatch structure in a building according to claim 1.