JP2000160812A - Rail for double floor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To ensure sufficient strength against treading. SOLUTION: A rail for double floor K is to be arranged so as to cover the edges of floor panels for a double floor and in a structure composed of a first rail member K1 which is long in the direction T and approximately in a C-shaped section with a pair of projected flanges extending from the ends of an opening K11 and facing each other to close the opening K11 formed, a second rail member K2 which can move in one direction at the inside of the C-shaped section of the first rail member, and an attachment piece K3 which holds from both sides the projected flanges together with the second rail member K2 while being screwed down onto the second rail member K2 and positioned together with the second rail member K2 and is serviceable for attachment to the floor surface U of a building with attachment parts K321 for attachment to the floor surface of the building provided at its horizontal piece K32 extending from its vertical piece, and for such rail for double floor, the vertical piece of the attachment piece is formed in a size capable of holding both of the paired projected flanges with the second rail member.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a double-floor frame which is arranged to cover an edge of a double-floor floor panel and covers a gap from a floor of a building to an upper edge of the floor panel. About.

[0002]

2. Description of the Related Art A conventional double floor frame will be described with reference to FIGS. FIG. 7 is a sectional view of a conventional double floor frame, and FIG.
FIG. 1 is a perspective view of a conventional double floor frame.

Conventionally, when a floor panel for a double floor is arranged on the floor of a building, a gap is formed between the floor of the building and the upper surface of the floor panel. If the gap is left as it is, the gap is seen and the appearance is poor, and a person may fall on the foot by slipping on the gap or a pencil or the like may enter the gap, which is inconvenient. Therefore, double floor frames are widely used in order to prevent a gap from being formed between the floor of the building and the upper surface of the floor panel.

The double floor frame K shown in FIGS. 7 and 8 is disclosed in Japanese Patent Application No. 10-246263,
The stile parts K _1, a second stile parts K _2, the mounting piece K ₃
It is comprised including. First stile parts K ₁ is a rail member of a long substantially U-shaped cross section of a stainless steel in one direction T, to the end of the opening K _11, the projecting piece K ₁₂ in a direction closing the opening K ₁₁ is formed Have been.

A second stile parts K ₂ is a size in which fits the first stile parts K _1, it is formed in a substantially U-shaped cross-section. The second stile parts K ₂ is the first stile parts K _1, the inside of the substantially U-shaped cross section, a stainless member movable by sliding in one direction T. The second stile parts K _2, of the substantially U-shaped cross section, the middle piece K _21, screw holes K ₂₁₁ is formed. The second stile parts K ₂ is medium piece K ₂₁ is the first stile parts K
So as to block _one of the substantially U-shaped cross section of the opening K _11, housed in the first stile parts K ₁ is the a substantially prismatic shape with a first stile parts K _1.

The mounting piece K ₃ is formed by bending a single plate of stainless steel, and has a vertical piece K ₃₁ having a step K ₃₁₁ and a horizontal piece K extending substantially perpendicular to the vertical piece K _{31. 32} and a substantially L-shaped metal fitting. The vertical piece K _31, at a location facing the screw hole K _211, screw holes K ₃₁₂ is formed. The crosspiece K ₃₂ is mounted portion K ₃₂₁ for screwing attachment to the floor U of the building is formed. Mounting piece K _3, the vertical piece K ₃₁ contacts the second stile parts K ₂ so as to face the middle piece K _21. At this time, the vertical piece K ₃₁ side and the screw hole K ₃₁₂ and the threaded holes K ₂₁₁ by the screw N ₁ phase Tsusuru, and a vertical piece K ₃₁ and Chuhen K ₂₁ screwing. The step K ₃₁₁ of the vertical piece K ₃₁ and the middle piece K ₂₁ form a slight gap, and the projecting piece K ₁₂ is sandwiched in this gap, so that the mounting piece K ₃ becomes the second frame member K with _2, they are fixed to the first stile parts K _1. Also, screw N ₁
Is loosened, the gap between the step K ₃₁₁ of the vertical piece K ₃₁ and the middle piece K ₂₁ expands, and the second frame member K ₂ and the mounting piece K ₃
Is released from the state fixed to the projecting piece K ₁₂ are free to move in one direction T. A second stile parts K ₂ and the attachment piece K ₃ is fixed to the projecting piece K ₁₂ by tightening the screw N _1,
The mounting piece K ₃ with screws N ₂ for screwed to the floor U. If screwed the mounting piece K ₃ to the floor U in the screw N _2, second stile parts K being fixed to the mounting piece K _3
2 and the first frame member K ₁ are also fixed to the floor surface U.

[0007]

[SUMMARY OF THE INVENTION However, in the double floor rail as described above, what is held between the second stile parts K ₂ and the attachment piece K ₃ has a pair of projecting pieces because only those of the lower of the K _12, between the stepped on from above with a large force to the pedestrian, the second stile parts K ₂ and the attachment piece K ₃ the upper ones of the pair of projecting pieces K ₁₂ However, there is a problem that the strength is weak and the play may be unstable due to the looseness.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a double-floor frame capable of securing sufficient strength in case of stepping on the floor. Is to do.

[0009]

According to the first aspect of the present invention, there is provided a double-floor frame arranged to cover an edge of a double-floor floor panel, the cross-section being long in one direction. A first frame member having a substantially U-shaped rail member formed with a pair of protruding pieces formed to face each other so as to close the opening from an opening end, and a substantially U-shaped cross section of the first frame member; A second frame member which is movable in one direction in the inside of the character and a projecting piece is sandwiched between the vertical frame and the second frame member by screwing the vertical piece to the second frame member; In a double-floor frame, a position is fixed together with a member, and a horizontal piece extending from the vertical piece and a mounting piece having a mounting portion to the floor of the building and being mounted on the floor of the building are provided. Is formed in a size to hold both of the pair of projecting pieces between the vertical piece and the second frame member.

According to the second aspect of the present invention, the first aspect is provided.
In the double floor frame described in the above, the second of the vertical pieces of the mounting pieces
The surface facing the frame member is provided with a projection for preventing the first frame member from bending to close the opening between the pair of projecting pieces.

According to the third aspect of the present invention, there is provided the first aspect.
In the double floor frame described in the above, the second of the vertical pieces of the mounting pieces
Enter the part facing the frame member between a pair of projecting pieces,
The first frame member is characterized in that it is a step portion for preventing bending to close the opening.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of a double floor frame according to the present invention will be described with reference to FIGS. 1 and 2, and a second embodiment will be described with reference to FIG. The third embodiment will be described in detail with reference to FIGS. 4 and 5, and the fourth embodiment will be described in detail with reference to FIG.

[First Embodiment] FIG. 1 is a perspective view showing a double floor frame. FIG. 2 is a sectional view of a double floor frame.

[0014] Dual floor stile K includes a first stile parts K _1, a second stile parts K _2, is constituted by a mounting piece K _3. First stile parts K ₁ is a stainless steel of the rail members a long substantially U-shaped cross section in one direction T, to the end of the opening K _11, a pair of projecting pieces in a direction for closing the opening K ₁₁ K ₁₂₁ , K
₁₂₂ are formed.

The second frame member K ₂ is sized to fit in the first frame member K ₁ , and, as shown in FIG. 2, opposes the middle piece K ₂₁ and the middle piece K _21. And a pair of opposed pieces K ₂₂₁ and K ₂₂₂ extended in a substantially U-shaped section. The second frame member K ₂ is connected to the first frame member K ₁
Is a stainless member that can slide and move in the one direction T inside the substantially U-shaped cross section. The second stile parts K _2, of the substantially U-shaped cross section, the middle piece K _21, screw holes K ₂₁₁ is formed.

Mounting piece K_ThreeIs a single-plate stainless steel
Is formed by bending.₃₁And vertical
Piece K₃₁Horizontal piece K extending almost vertically₃₂Is configured with
It is a substantially L-shaped metal fitting. Vertical piece K₃₁Is at least the middle piece K
_{twenty one}Wider, and a pair of projecting pieces K₁₂₁, K₁₂₂No
It is formed in a size that leads to displacement. Vertical piece K₃₁Is the middle piece
K_{twenty one}Facing from the outer surface side, the screw hole K₂₁₁And opposite
Screw holes K ₃₁₂Are formed. Horizontal piece K₃₂
For installation on the floor U of the building with screws
Attachment K₃₂₁Are formed.

[0017] In the thus constructed double floor rail K, as shown in FIG. 1, the first stile closing middle piece K ₂₁ is the first stile parts K ₁ of the opening K ₁₁ part so as to constitute a part substantially prismatic with members K _1, is the pay second stile parts K ₂ to the first stile parts K _1. Furthermore, the mounting piece K _3, as the vertical piece K ₃₁ is opposed to the middle piece K _21,
Facing the second stile parts K _2. Screw hole K from vertical piece K ₃₁ side
By passing a screw through ₃₁₂ and the screw hole K ₂₁₁ , the vertical piece K ₃₁ and the middle piece K ₂₁ are screwed. Accordingly, the attachment piece K _3, together with the second stile parts K _2, it being fixed to the first stile parts K _1.

At this time, the vertical piece K₃₁Is the middle piece K_{twenty one}Between
And a pair of projecting pieces K₁₂₁, K₁₂₂Hold any of
You. If the screw is loosened, the second frame member K_TwoTotori
Stick K _ThreeIs the projecting piece K₁₂Released from the state of sticking to
And can move freely in one direction T.

The person in charge of construction is the second frame member K_TwoAnd mounting
Piece K_ThreeAnd slide it to the desired position and tighten the screw.
The second frame member K_TwoAnd mounting piece K_ThreeWhen
Projecting piece K₁₂To the mounting piece K with another screw_ThreeThe floor
Screw it to the surface U. Attachment piece K with the other screw_Three
Is fixed to the floor surface U by screws. _Three
The second frame member K fixed to_TwoAnd the first frame member K
₁Are also fixed to the floor surface U.

[0020] Thus, since the vertical piece K ₃₁ of the mounting piece K _3, it was formed in any size sandwiching also of the second pair of projecting pieces K ₁₂₁ between the stile parts K _2, K _122, pedestrian since high strength of the force in preparation for the case where the upper protruding piece K ₁₂₁ is stepped double floor stile K is sufficiently secured, the first stile parts K ₁ is less rattling.

[Second Embodiment] FIGS. 3A and 3B are explanatory views of a double floor frame. FIG. 3A is a perspective view of a mounting piece, and FIG. 3B is a sectional view of the double floor frame. The double-floor frame of the second embodiment is different from the double-floor frame of the first embodiment in that the double-floor frame faces the second frame member of the vertical piece of the mounting piece. In this configuration, a projection is provided on the surface to be inserted between the pair of projecting pieces to prevent the first frame member from bending to close the opening.

The vertical piece K ₃₁ of the mounting piece K _3, the surface facing the second stile parts, as shown in FIG. 3 (b), falls between the pair of projecting pieces K _121, K ₁₂₂ The protrusion α is provided. First stile members K _1, even if the deflection closing the opening K ₁₁ becomes likely to occur, the protrusion α of the pair projecting pieces K _121,
By catching on the end of the K _122, it can prevent the occurrence of deflection closing the opening K _11.

[0023] Therefore, it is possible to obtain the first embodiment and substantially the same effect as described above, when the upper protruding piece K ₁₂₁ with a large force to the pedestrian is stepped, the first stile parts K _1,
Even deflection closing the opening K ₁₁ becomes likely to occur, the protrusion α
Since but us caught on the ends of the pair of projecting pieces K _121, K _{12 2,} first stile parts can be ensured strength of more double floor stile K than that of the first embodiment described above K ₁ can be further reduced backlash.

[Third Embodiment] FIG. 4 is an explanatory view of a double floor frame. FIG. 4A is a perspective view of a second frame member and a mounting piece.
(b) is a sectional view of the double-floor frame before screwing the second frame member and the mounting piece, and (c) is screwing the second frame member and the mounting piece from the state of (b). It is sectional drawing of the frame for double floors in the state which carried out. FIG. 5 is a perspective view of a double floor frame. The double floor frame of the third embodiment is different from the double floor frame of the second embodiment in that it is characterized by
Another projection is provided on the surface of the second frame member facing the vertical piece, between the pair of protruding pieces, to prevent the first frame member from bending to close the opening.

Second frame member K_TwoIs a pair of opposing pieces (first
In the embodiment, the code K₂₂₁, K ₂₂₂)
Medium K with bending_{twenty one}Consists of only the second
Frame member K_TwoThe vertical piece K₃₁A pair of protrusions
Piece K₁₂₁, K₁₂₂4 (a), (b) and (c)
As shown, a pair of projecting pieces K₁₂₁, K₁₂₂Between
A plurality of different projections β are provided. Another protrusion β
Is the second frame member K_TwoAnd mounting piece K_ThreeAnd screwed
In the state where it is not set, as shown in FIG.
Projecting piece K₁₂₁, K₁₂₂Not between
Is the second frame member K _TwoAnd mounting piece K_ThreeAnd screwed
In the state where it is set, the middle piece K_{twenty one}Deflection
As shown in FIG. 4 (c),
Piece K₁₂₁, K₁₂₂Opening K to enter between₁₁Protruding into
Come. That is, the first frame member K₁The opening K₁₁Block
Even if warping is likely to occur, not only the protrusion α
The projection β also has a pair of projecting pieces K.₁₂₁, K₁₂₂Caught on the edge of
The opening K₁₁Can prevent the occurrence of deflection that blocks
Because

With this configuration, it is possible to obtain an effect of preventing rattling, which is greater than that of the second embodiment.

[Fourth Embodiment] FIGS. 6A and 6B are explanatory views of a double floor frame, wherein FIG. 6A is a sectional view and FIG. 6B is a perspective view of a mounting piece. The double-floor frame of the fourth embodiment is the same as that of the first embodiment.
What is different from the double floor frame of the embodiment is that the portion of the vertical piece of the mounting piece facing the second frame member is inserted between a pair of projecting pieces, and the first frame member is formed. This is a stepped portion for preventing bending to close the opening.

Mounting piece K_ThreeIs shown in Fig. 6 (b).
Thus, the length is longer than that of the first embodiment.
Step processing is performed in the middle of the formed plate member to form a step portion D.
It is provided in. Mounting piece K_ThreeVertical piece K₃₁Of the second
Frame member K_Two6 (a) is shown in the part facing
As shown in FIG.₁₂₁, K₁₂₂Step D between
Is just opening K₁₁Is fitted so as to substantially cover the. First
Frame member K₁The opening K ₁₁Is likely to block
However, the step D is a pair of protruding pieces K₁₂₁, K₁₂₂Pull at the end of
By being hooked, the opening K₁₁Prevents bending that blocks
You can.

Therefore, the same effects as those of the first embodiment can be obtained, and the vertical piece K ₃₁ of the mounting piece K ₃ can be obtained.
The stepped portion of the portion facing the second stile parts K _2, enters between the pair of projecting pieces K _{12 1,} K _122, to prevent the first stile parts K _1, the deflection closes the opening K ₁₁ D, the first projecting piece K ₁₂₁ is stepped on by a pedestrian with great force.
Of stile parts K _1, even if the likely deflection is generated to close the opening K _11, since the stepped portion D is us caught by the end portion of the pair of projecting pieces K _121, K _122, the first embodiment described above First, the strength of the double floor frame K can be secured more than in the case of the form.
Stile parts K ₁ can be further reduced rattling of.

In addition, as compared with the case where a projection or another projection is provided as in the above-described second or third embodiment,
Because need be stepped processed vertical piece K ₃₁ of single plate, only simple stage processing, it is possible to obtain a desired looseness preventing effect.

In each of the first to fourth embodiments, the double-floor frame is exemplified by a plurality of parts formed by bending a stainless steel plate, but the present invention is not limited to this. Not limited to this, the material of the double floor frame may be aluminum.

[0032]

According to the first aspect of the present invention, the vertical piece of the mounting piece is formed to have a size to hold both of the pair of projecting pieces between the mounting piece and the second frame member. The strength of the double-floor frame is sufficiently secured in case the protruding piece is stepped on with a large force, so that the portion near the protruding piece of the first frame member does not rattle.

[0033] According to the second aspect of the present invention, the first aspect is provided.
In addition to the effects of the described invention, the second
The first frame member is provided with a projection that prevents the first frame member from bending to close the opening on the surface facing the frame member of the first frame member. In this case, even if the first frame member is likely to bend to close the opening, the projections are caught on the ends of the pair of projecting pieces, so that the first frame member is more flexible than in the case of the first embodiment. In addition, the strength of the double floor frame can be further secured, and the first frame member is less likely to rattle.

According to the third aspect of the present invention, there is provided the first aspect.
In addition to the effects of the described invention, the second
Enter the part facing the frame member between a pair of projecting pieces,
Of the first stile parts, due to a stepped portion for preventing the flexure block the opening, when the protruding piece with a large force to the pedestrian is stepped, likely the first stile parts, bends close the opening K ₁₁ occurs Even in the case, the step is caught by the ends of the pair of projecting pieces, so that the strength of the double floor frame can be further secured and the first frame member is less likely to rattle. Further, as compared with the case where a projection or another projection is provided, the vertical piece of one plate only needs to be stepped, so that the desired rattling prevention effect can be obtained only by simple stepping.

[Brief description of the drawings]

FIG. 1 is a perspective view illustrating a double floor frame according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view of the double floor frame of the above.

FIG. 3 is an explanatory view of a double floor frame according to a second embodiment of the present invention.

FIG. 4 is an explanatory diagram of a double floor frame according to a third embodiment of the present invention.

FIG. 5 is a perspective view of a double floor frame according to a fourth embodiment of the present invention.

FIG. 6 is an explanatory diagram of a double floor frame according to a fifth embodiment of the present invention.

FIG. 7 is a cross-sectional view illustrating a conventional double floor frame.

FIG. 8 is a perspective view of the same.

[Explanation of symbols]

K double floor stile K ₁ first stile parts K ₁₁ opening K _121, K ₁₂₂ a pair of protruding pieces K ₂ second stile parts K ₃ attachment piece K ₃₁ vertical pieces K ₃₂ crosspiece K ₃₂₁ mounting portion U building Floor surface T One direction α, β Projection D Step

Claims (3)

[Claims] 1. A double floor frame arranged to cover an end of a floor panel for a double floor, comprising a rail member that is long in one direction and has a substantially U-shaped cross section, and is opened from an open end. A first frame member formed with a pair of projecting pieces extending to face each other so as to close the first frame member, and a second frame member which is movable in the one direction in the substantially U-shaped cross section of the first frame member. And the vertical piece is screwed to the second frame member, so that the projecting piece is sandwiched between the second frame member and the position is fixed together with the second frame member. In a double floor frame comprising a horizontal piece extending from a mounting piece attached to the floor of the building having a mounting portion to the floor of the building, a vertical piece of the mounting piece, A double floor formed to have a size to hold both of the pair of protruding pieces between the two frame members. Stile. 2. The vertical piece of the mounting piece is inserted between the pair of projecting pieces on a surface of the vertical piece facing the second frame member, and prevents the first frame member from bending to close the opening. 2. The double floor frame according to claim 1, further comprising a projecting portion. 3. A portion of the vertical piece of the mounting piece facing the second frame member is inserted between the pair of projecting pieces,
2. The double floor frame according to claim 1, wherein the first frame member has a stepped portion that prevents bending that blocks the opening. 3.