JP2000160811A - Rail for double floor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate a gap even when the gap is formed between a first rail member and a second rail member. SOLUTION: The rail for double floor is of a rail for double floor K that is arranged 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 projected flanges K12 formed at the edges of an opening K11 to close the opening K12 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 K12 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, and for such rail for double floor, first raised pieces A are provided at the second rail member K2 so that the projected flanges K12 of the first rail member K1 are held between the raised pieces and the exterior of the second rail member K2.

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 side 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 sides K _32, the attachment 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, the second stile parts K _2, since formed to fit the first stile parts K _1, of course , the breadth of the first stile parts K ₁ will be slightly wider than the size of the second stile parts K _2. That is, the first stile parts K ₁ and between the second stile parts K _2, must occur a gap while slightly. If there is such a gap, the (design error is also included in the factors) mounting piece K ₃ when screwed into the second stile parts K ₂ by screws N _1, second stile parts K ₂ are first of would move the stile parts K ₁ a little while rattling so, it may be difficult to have this end screwed, there is a problem that.

Furthermore, the second stile parts K ₂ through the gap as described above, are arranged inside the first stile parts K ₁ drives out substantially U-shaped cross section of the formation, when the first stile parts K ₁ intensity will be formed at not too high the material, the first stile parts K ₁ is flexed when a person's foot stepped on the outer surface on the first stile parts K ₁ against the second stile parts K _2, there are cases annoying by generating annoying squeaking.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems.
It is an object of the present invention to provide a double floor frame capable of absorbing a gap even if a gap is formed between the frame member and the second frame member.

[0010]

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 and a protruding piece formed in a direction to close the opening at an opening end, and moving in one direction through a substantially U-shaped cross section of the first frame member; A second frame member capable of being fixed to the second frame member by being screwed to the second frame member so that the protruding piece is sandwiched between the second frame member and the second frame member. In a double-floor frame having a mounting portion to be attached to the floor of a building and having a mounting portion to be attached to the floor of the building, the projecting piece of the first frame member is connected to the second frame member by the second frame member. A first cut-and-raised piece that is sandwiched between the outer surface of the frame member.

According to the second aspect of the present invention, there is provided a double floor frame arranged to cover an end of a floor panel for a double floor, wherein the rail is long in one direction and has a substantially U-shaped cross section. A first frame member having a protruding piece formed in a direction to close the opening at an opening end, and a second frame capable of moving in one direction in a substantially U-shaped cross section of the first frame member; The member and the second frame member are screwed to the second frame member so that the projecting piece is sandwiched between the members and fixed in position with the second frame member. A double-floor frame including a mounting portion having a mounting portion and mounted on a floor of a building, wherein the first frame member elastically contacts an inner surface of the first frame member with the second frame member. A second cut-and-raised piece for absorbing the bending of the frame member is provided.

[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 FIG. 4, the fourth embodiment with reference to FIG. 5, and the fifth embodiment with reference to FIG.

[First Embodiment] FIG. 1 is a perspective view showing a double floor frame. FIG. 2 is a perspective view illustrating a second frame member and a mounting piece, (a) is a perspective view of the second frame member,
(b) is a perspective view of a mounting piece.

[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 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.

The second frame member K ₂ is sized to fit in the first frame member K ₁ , and as shown in FIG.
It has a substantially U-shaped cross section. This second frame member K ₂
Is the inside of the first stile parts K ₁ of a substantially U-shaped cross section, a stainless member movable by sliding in one direction T.

The second frame member K_TwoHas a substantially U-shaped cross section
Chi, middle piece K_{twenty one}And screw hole K₂₁₁Are formed. Ma
The middle piece K_{twenty one}Has a first cut-and-raised piece A, a middle piece K_{twenty one}
Outer surface K _{twenty one}Cut out and raised away from α
Have been. The first cut-up pieces A are all the first cut-out pieces.
Outer surface A to the outer surface K_{twenty one}The distance to α is K₁₂of
It is cut and raised to be approximately the same thickness.

Further, the second frame member K ₂ has one of a pair of opposing pieces K ₂₂₁ and K ₂₂₂ extending in opposition to each other from the middle piece K _{21 in a} substantially U-shaped cross section. Opposing piece K
_A plurality of second cut-and-raised pieces B are formed on ₂₂₁ so as to protrude from the upper surface K ₂₂₁ α of one opposing piece K ₂₂₁ . The second cut-and-raised pieces B are all cut and raised so as to be urged in a direction away from the upper surface K ₂₂₁ α, that is, upward, to have elasticity.

The mounting piece K ₃ is one formed by bending a stainless steel material of a single plate, a vertical piece K _31, substantially perpendicular to the longitudinal piece K ₃₁ and a side portion K ₃₂ which extends It is a substantially L-shaped fitting configured. Vertical piece K ₃₁ is the outer surface to the middle piece K ₂₁ K
It intended to face the ₂₁ alpha side, at positions facing the screw holes K _211, screw holes K ₃₁₂ is formed. Furthermore, vertical piece K
_The hole ₃₁ and the notch K ₂₁₃ for inserting the first cut-and-raised piece A are provided at a position facing the first cut-and-raised piece A. The sides K _32, the attachment portion K ₃₂₁ for screwing attachment to the floor U of the building is formed.

The frame K for double floors constructed as described above
As shown in FIG. 1, the first cut-and-raised piece A
Outer surface K_{twenty one}projecting piece K between α₁₂Along one direction T
Insert the id, middle piece K_{twenty one}Is the first frame member K₁Opening K₁₁
Part of the first frame member K₁Together with a partially prismatic shape
In such a manner, the second frame member K_TwoTo the first frame member K ₁
Put it inside. At this time, the second cut-and-raised piece B
Is caused by the elastic force of the first frame member K facing the₁of
Elastic contact with the inner surface. Second frame member K_TwoIs the first frame
Member K₁Elastically contacts the inner surface of the first frame member K₁But
The deflection that occurs when stepped on by human feet
It absorbs.

Furthermore, the mounting piece K _3, the vertical piece K ₃₁ is so as to face the middle piece K _21, contacts the second stile parts K _2. By phase Tsusuru that screws into a threaded hole K ₃₁₂ and the threaded holes K ₂₁₁ from the vertical piece K ₃₁ side, and a vertical piece K ₃₁ and Chuhen K ₂₁ screwing. Accordingly, the attachment piece K _3, together with the second stile parts K _2, it being fixed to the first stile parts K _1. Also, Yurumere the screw, and the second stile parts K ₂ and the mounting piece K _3, is released from a state of fixing the projecting piece K _12, free to move 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.

[0022] Therefore, the second stile parts K _2, raised first cut for clamping between the first projecting piece K ₁₂ stile members K ₁ second outer surface K ₂₁ of stile parts K ₂ alpha because having a single a, first stile parts K ₁ and the stile parts K ₂ have a gap also first stile parts K ₁ and the second between the second stile parts K ₂ are first
And the second frame member K ₂ is fixed to the first
Of the stile parts K ₁ becomes less rattling fear, Therefore easily screwing the attachment piece K ₃ and the second stile parts K _2.

Further, the second stile parts K _2, the second cut-and-bent segments B to absorb the deflection of the first stile parts K ₁ resiliently contact with the first inner surface of the stile parts K ₁ due to the provision of the first stile parts K ₁ and can absorb the gap even if a gap is formed between the second stile parts K _2, human feet stepped on first outer surface on the stile parts K ₁ the first also deflected stile parts K _1, sinks inward of the first stile parts K ₁ second cut-and-bent segments B when it
And elastically absorbed without generating harsh squeaking noise.

In the above-described embodiment, the double floor frame K is exemplified by a plurality of parts formed by bending a stainless steel plate, but the present invention is not limited to this. The material of the floor frame may be aluminum.

[Second Embodiment] FIG. 3 is a perspective view of a second frame member. The double-floor frame of the second embodiment is different from the double-floor frame of the first embodiment in that the second frame member does not have a pair of opposing pieces. , First
Is formed in a plate shape having a size that can be accommodated in the frame member.

The second frame member K ₂ has a size that can be accommodated in the first frame member K ₁ , and is formed in a plate shape with only the middle piece K ₂₁ . In short, the second stile parts K ₂ is the above first
This eliminates the pair of opposing pieces K ₂₂₁ and K ₂₂₂ in the embodiment.

In this manner, the strength of the double floor frame K is
Slightly fall, human foot is the first frame member K ₁Stepped on the outer surface of
Sometimes the first frame member K₁Bends and produces a harsh creaking sound
Although it may be produced, the first frame member K₁And the second
Frame member K_TwoEven if there is a gap between the first frame member K
₁And the second frame member K_TwoAnd fixed with the first cut-and-raised piece A
And the second frame member K_TwoIs the first frame member K₁Rattling inside
The mounting piece K_ThreeAnd the second
Frame member K_TwoIt becomes easy to screw with. Also, the second
Frame member K_TwoThe material of the members required to form
A pair of opposing pieces K in one embodiment₂₂₁, K₂₂₂It's the minute
Can be reduced.

In the above-described embodiment, 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. The material of the frame may be aluminum.

[Third Embodiment] FIG. 4 is a perspective view of a main part of a second frame member. The double-floor frame of the third embodiment is different from the double-floor frame of the first embodiment in that it is characterized by a plurality of second cut and raised pieces B facing each other. This is a point where the end is cut off from one of the opposing pieces _K221 .

In this case, substantially the same effects as those of the first embodiment can be obtained. In the above-described embodiment, the double-floor frame is illustrated as being composed of a plurality of parts formed by bending a stainless steel plate, but the present invention is not limited to this. The material may be an aluminum material.

[Fourth Embodiment] FIG. 5 is a perspective view of a main part of a second frame member. The double floor frame of the fourth embodiment is different from the double floor frame of the third embodiment in that the opposite ends of the plurality of second cut-and-raised pieces B are opposite to each other. The point is that the part is cut off from one of the opposing pieces K ₂₂₁ .

In this case, substantially the same effects as in the third embodiment can be obtained. In the above-described embodiment, the double-floor frame is illustrated as being composed of a plurality of parts formed by bending a stainless steel plate, but the present invention is not limited to this. The material may be an aluminum material.

[Fifth Embodiment] FIG. 6 is a perspective view of a main part of a second frame member. The double-floor frame of the fifth embodiment is different from the double-floor frame of the first embodiment in that the second cut-and-raised piece B is formed in a large size. This is the point that only one was used.

[0034] Even with this, it is possible to obtain the first embodiment and substantially the same effect as described above, the second cut-and-bent segments B, large, since only one form, the one facing plate K _{22 1} Since the second cut-and-raised piece B can be formed large within the area and the elastic repulsive force of the second cut-and-raised piece B can be increased, when a human foot steps on the upper outer surface of the _first frame member K1. also bent first stile parts K ₁ is a sink inward of the first stile parts K _1, the second cut-and-bent segments B, the above-described 1
Elastic absorption can be performed more reliably than in the embodiment of
The risk of generating a harsh squeaking sound can be further reduced.

In the above-described embodiment, 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. The material of the frame may be aluminum.

[0036]

According to the first aspect of the present invention, the first cut-and-raised portion for holding the projecting piece of the first frame member between the second frame member and the outer surface of the second frame member. Since the pieces are provided, the first frame member and the second frame member are fixed by the first cut-and-raised pieces even if a gap is generated between the first frame member and the second frame member, The possibility that the second frame member rattles inside the first frame member is reduced, so that the attachment piece and the second frame member can be easily screwed.

According to the second aspect of the present invention, the second cut-and-raised portion of the second frame member elastically contacts the inner surface of the first frame member to absorb the bending of the first frame member. Since the pieces are provided, even if a gap is formed between the first frame member and the second frame member, the gap can be absorbed, and when a person's foot steps on the upper outer surface of the first frame member, Even if the first frame member flexes, the inward sinking of the first frame member is elastically absorbed by the second cut-and-raised piece, and a sudden gap between the first frame member and the second frame member is generated. It does not generate harsh squeaks due to physical contact.

[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 perspective view illustrating a second frame member and a mounting piece of the above.

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

FIG. 4 is an explanatory view showing a second frame member of the double floor frame according to the third embodiment of the present invention.

FIG. 5 is an explanatory view showing a second frame member of a double floor frame according to a fourth embodiment of the present invention.

FIG. 6 is an explanatory view showing a second frame member 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]

A first cut-and-raised piece B second cut-and-raised piece K Double frame for floor K ₁ First frame member K ₁₁ Opening K ₁₂ Projection piece K ₂ Second frame member K ₃ Mounting piece K ₃₂ side K ₃₂₁ mounting part U Building floor T One direction

Claims (2)

[Claims] 1. A double floor frame arranged to cover an end of a floor panel for a double floor, comprising a rail member which is long in one direction and has a substantially U-shaped cross section and has an opening at an opening end. A first frame member having a projecting piece formed in a direction to close the first frame member; a second frame member movable in the one direction in the substantially U-shaped cross section of the first frame member; By being screwed to the frame member, the projecting piece is interposed between the second frame member and the second frame member, and is fixed in position with the second frame member. And a mounting piece attached to the floor of the building, wherein the second frame member is provided with a projecting piece of the first frame member and an outer surface of the second frame member. A double floor frame comprising a first cut-and-raised piece sandwiched between the frames. 2. 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 has an opening at an open end. A first frame member having a projecting piece formed in a direction to close the first frame member; a second frame member movable in the one direction in the substantially U-shaped cross section of the first frame member; By being screwed to the frame member, the projecting piece is sandwiched between the second frame member and the second frame member, and the position is fixed together with the second frame member. And a mounting piece attached to a floor of a building, wherein the first frame is configured to elastically contact the second frame member and an inner surface of the first frame member. A double floor frame provided with a second cut-and-raised piece that absorbs bending of a member.