JP5377196B2 - securing bracket - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a metal fitting capable of releasing fixation and refixing of floor members placed in any position without releasing the fixation of other floor members. <P>SOLUTION: A fixation part 11 has a curvature shape which is convex downward so that upper ends of rising parts 12 can come closer to each other than lower ends in a non-load state. When a peripheral edge part of a screw-insertion hole 11a is clamped in a floor joist 3 by screwing of a fixing screw 4, the fixation part is elastically deformed to follow a top surface of the floor joist 3, and an engagement part 13 enters a concave groove part 21 of the floor material 2 while the lower sidewall of the concave groove part 21 is elastically locked between the engagement part 13 and the floor joist 3. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to a fixing bracket used for fixing a flooring provided side by side on a base material such as joists to the base material.

For example, the flooring attachment method, also referred to as a deck material used for the formation of a balcony floor, is received from below by joists as a base material arranged at constant intervals with a constant joint width provided, Fixed to joists.
As a method for fixing the floor material to the joist, a method of driving a screw directly onto a floor board and fixing or a method using a fixing bracket are generally used.

  However, although screw fixing is easy to install, since it is in a place where the screw can be seen directly after the installation, it is currently mainstream to use a fixing bracket because the appearance is impaired.

On the other hand, as the fixing bracket, for example, in the case of the flooring 100 having the concave groove portions 110 on both side surfaces in the width direction as shown in FIG. 6, the fixing bracket 200 as shown in FIGS. 6 and 7 is used. (See Patent Document 1).
As shown in FIG. 7, the fixing bracket 200 is made of stainless steel or the like, and includes a fixing portion 210, a rising portion 220, and a locking portion 230.

The fixing portion 210 has a plate shape with a screw insertion hole 211 formed in the center.
The rising portion 220 rises so as to face from both sides of the fixed portion 210.
The locking part 230 is provided so as to extend away from the other rising part 220 from the upper end of both rising parts 220, and includes a horizontal part 231 and a bent part 232 that is bent from the tip of the horizontal part 231. I have.

And the method of forming a balcony floor etc. by laying the flooring 100 on the joist 300 as a base and fixing it to the joist 300 using the fixing bracket 200 is as follows.
(1) While placing the floor material 100 arranged at the extreme end on the joist 300, the one fixing portion 230 is fitted into the groove 110 of the floor material 100 on which the fixing bracket 200 is placed, After arranging so that the side surface below the concave groove portion 110 and one rising portion 220 are substantially in contact with each other, the fixing screw 400 is screwed from above the fixing portion 210 through the screw insertion hole 211.
That is, by screwing the fixing screw 400, the periphery of the screw insertion hole 211 of the fixing portion 210 is sandwiched between the screw head and the joist 300, and the fixing fitting 200 is fixed to the joist 300. Further, the lower wall of the concave groove portion 110 is sandwiched between the horizontal portion 231 and the joist 300 by the elastic force of the horizontal portion 231 of the locking portion 230 into which the floor material 100 is fitted in the concave groove portion 110. One side edge of the flooring 100 is fixed on the joist 300.
(2) The flooring 100 arranged adjacently is placed on the joist 300 so as to fit under the horizontal portion 231 of the other locking portion 230 of the fixing bracket 200 to which the lower side wall of the concave groove portion 110 is fixed. Place.
Thereby, one side edge part of the flooring 100 arrange | positioned adjacently is fixed to joist 300.
(3) The fixing work of the fixing bracket 200 and the placing work on the joists 300 of the floor materials 100 arranged adjacent to each other as in the above (2) are repeated successively in the same manner as in (1) above. Complete the floor.

JP 2004-27724 A

  However, in the fixing bracket 200, since the flooring 100 is attached in order from one side of the long axis direction of the joist 300 to the other side, when it is removed, the flooring 100 is removed in order from the opposite direction. There is a need. Therefore, even if a thing is dropped on the joint between the flooring 100 and the flooring 100 and the dropped one cannot be taken out from the joint, or one of the flooring 100 needs to be replaced due to breakage, It is necessary to sequentially remove the flooring 100 from the end until reaching the flooring 100 of the joint portion or the flooring 100 that needs to be replaced. Therefore, work is time consuming and time is spent.

  In view of the above circumstances, an object of the present invention is to provide a fixing bracket that can be fixed and re-fixed at any position without releasing the fixing of other floor materials.

  In order to achieve the above-described object, the fixing metal fitting according to the present invention has a screw insertion hole, and the screw head inserts the peripheral portion of the screw insertion hole by screwing the fixing screw into the base material through the screw insertion hole. A plate-shaped fixing part sandwiched between the base, two rising parts rising from both sides of the fixing part, and extending in a direction away from the other rising part from the upper end of the rising part, along the rising part In this way, it is fitted into a concave groove portion provided on the side surface of the floor material placed on the base material, and the wall surface of the concave groove portion is elastically locked between the base material and the end portion of the floor material is fixed. In the fixing member for flooring provided with a stopper, the fixing portion has a downwardly convex curved shape so that the upper ends of the rising portions are closer to the lower ends in an unloaded state, and the fixing screw Screw insertion hole by screwing When the peripheral edge is sandwiched between the base and the base, it is elastically deformed along the base and the locking part enters the concave groove, and the wall of the concave groove is elastically locked between the base and the base material. It is characterized by being formed.

In the present invention, the locking portion may be configured to include a protrusion that bites into the wall surface of the groove portion.
The shape of the protrusion is not particularly limited, and examples thereof include a flat plate shape, a triangle shape, and a sawtooth shape.

The material of the fixing bracket of the present invention is not particularly limited as long as the object of the present invention can be achieved, but it is preferable to use spring steel, stainless steel or the like.
The size of the fixing bracket is arbitrary, but the bracket thickness is preferably 0.5 to 1 mm, the fixing portion width is 15 mm, and the pressing portion is 2 to 7 mm.
The curved shape of the fixed part is not particularly limited, but a curvature radius of about 10 to 30 mm is desirable.

Although it does not specifically limit as a fixing screw used for fixation of a fixing | fixed part, For example, a pan-type, a countersunk-type screw, and a hexagon bolt are mentioned, A hexagon bolt is preferable when it wants to fix firmly.
In fixing, a washer such as a washer may be interposed between the screw head of the fixing screw and the fixing portion.

  In addition, the floor material fixed by the fixing metal fitting of the present invention is not particularly limited, and examples thereof include synthetic resins, inorganic materials, wood, composite materials thereof, and the like, and thermoplastic resins such as polypropylene. Synthetic wood obtained by molding a resin composition in which wood powder is mixed with extrusion molding or the like is preferable.

  As described above, the fixing bracket according to the present invention has a screw insertion hole, and by screwing the fixing screw into the base material through the screw insertion hole, the peripheral portion of the screw insertion hole is connected to the base by the screw head. A plate-shaped fixed part sandwiched between them, two rising parts rising from both sides of the fixed part, and extending from the upper end of the rising part in a direction away from the other rising part, along the rising part A locking portion that fits into a groove portion provided on a side surface of the floor material placed on the material, elastically locks the wall surface of the groove portion with the base material, and fixes an end portion of the floor material; The fixing part has a curved shape that protrudes downward so that the upper ends of the rising parts are closer to the lower end in a no-load state, and by screwing in the fixing screw Lower edge of screw insertion hole And is elastically deformed along the base surface so that the locking portion enters the concave groove portion, and the wall surface of the concave groove portion is elastically locked with the base material. As a result, the flooring material at any position can be unlocked and re-fixed without unlocking the other flooring material.

That is, when a curved fixed part is placed on a base material such as joists, and the fixing screw is screwed into the base material through the screw insertion hole, the peripheral edge of the screw insertion hole of the fixing part is held by the screw head. Then, the fixing portion is elastically deformed along the receiving surface of the base material, and the fixing portion is fixed to the base material.
And in the fixed state of this fixed part, the space between the upper ends of the rising parts is widened, the locking part has a locking posture similar to that of the conventional fixing bracket, and the wall surface of the groove in the flooring is connected to the locking part and the base material. Can be pinched between.

  On the other hand, when the fixing screw is loosened from the fixed state of the fixing portion, the pressing of the fixing screw to the periphery of the screw insertion hole by the screw head is released, and the fixing portion is bent downward by the elastic restoring force. Return to shape. Accordingly, the lower end of the rising portion is lifted upward, and the distance between the upper ends is narrower than the distance between the lower ends. Then, the locking portion is lifted obliquely upward toward the center in the width direction of the fixed portion.

Therefore, the fixing bracket can fix the flooring in the same manner as the conventional fixing bracket, and when it is necessary to release the fixing of the flooring, the flooring to be released and the flooring are to be released. Insert the tip of a tool such as a screwdriver into the joint with the flooring adjacent to and loosen the fixing screw that fixes the fixing part, and the fixing part will bend so that it protrudes downward, and the locking part is fixed The portion is lifted obliquely upward toward the center in the width direction of the portion, and the engagement of the locking portion with the concave groove portion is released. Therefore, only one flooring can be removed. On the other hand, when installing the flooring again, set the flooring again at the position of the removed flooring and then screw in the loosened fixing screw again. Fixed to the material.
That is, if this fixing bracket is used, the flooring material at any position can be released and re-fixed without releasing the fixing of the other flooring material.

It is a perspective view of 1st Embodiment of the fixing metal fitting concerning this invention. It is sectional drawing of the fixing metal fitting of FIG. It is sectional drawing showing the fixed state of the flooring using the fixing metal fitting of FIG. It is sectional drawing showing the state which cancels | releases fixation to a flooring material of the fixing metal fitting of FIG. It is a perspective view of 2nd Embodiment of the fixing metal fitting concerning this invention. It is sectional drawing showing the fixed state of the flooring using the conventional fixing bracket. It is a perspective view of the conventional fixing metal fitting.

Hereinafter, the present invention will be described in detail with reference to the drawings showing embodiments thereof.
1 and 2 show a first embodiment of a fixing metal fitting according to the present invention.

  As shown in FIGS. 1 and 2, the fixing bracket 1 a is formed by punching and pressing a spring steel plate or a stainless steel plate, and includes a fixing portion 11, two rising portions 12, and two locking portions. 13.

The fixed portion 11 is curved in a circular arc shape in a no-load state, and includes a screw insertion hole 11a at the center as shown in FIG.
The two rising portions 12 are provided so as to rise substantially vertically from a pair of opposite side edges of the fixing portion 11 in a state where the fixing portion 11 is elastically deformed into a flat plate shape as will be described later. The height to the upper end is substantially the same as the thickness of the lower side wall of the recessed groove portion 21 of the flooring 2.

Each of the two locking portions 13 includes a horizontal portion 13a and a bent portion 13b.
The horizontal portion 13 a extends at the upper end of one rising portion 12 in a direction away from the other rising portion 12 so as to be orthogonal to the rising portion 12.
The bent portion 13b is provided so as to extend obliquely upward from the tip of the horizontal portion 13a toward the other rising portion 12.

Then, as shown in FIG. 3, the fixing bracket 1a can fix the flooring 2 to the joist 3 as a base material in the same manner as the conventional fixing bracket 200 described above.
That is, when the fixing portion 11 is placed on the joist 3 and the fixing screw 4 is screwed into the joist 3 through the screw insertion hole 11a, the peripheral portion of the screw insertion hole 11a of the fixing portion 11 is pressed by the screw head 41. The fixing portion 11 is elastically deformed along the upper surface of the joist 3 and becomes substantially flat so as to follow the upper surface of the joist 3 as a receiving surface, and the peripheral portion of the screw insertion hole 11a of the fixing portion 11 is the screw head. 41 and the joist 3 are clamped and fixed.

And in the fixed state of this fixing | fixed part 11, while the upper end of the standup | rising part 12 spreads, it comes to be orthogonal to the upper surface of the joist 3, and the latching | locking part 13 is the latching attitude | position similar to the conventional fixture 200 become.
That is, the lower side wall of the recessed groove portion 21 of the flooring 2 is sandwiched between the horizontal portion 13a of the locking portion 13 and the joist 3, and the flooring 2 is fixed as shown in FIG.

On the other hand, when something falls in the joint S of the flooring 2 and the flooring 2 or the flooring 2 is damaged, and one of the flooring 2 needs to be removed, as shown in FIG. The tip of the tool D such as a screwdriver is inserted from the flooring 2 and the joint S of the flooring 2, the fixing screw 4 of the fixing bracket 1a on one side edge side of the flooring 2 to be removed is loosened, and the screw head of the fixing screw 4 The pressing to the fixed part 11 by the part 41 is released.
Thereby, as shown in FIG. 4, the fixing | fixed part 11 returns to the curved shape of convex downward by an elastic restoring force. Then, the upper end of the rising portion 12 moves so that the distance from the upper end of the other rising portion 12 approaches as the fixing portion 11 is elastically restored, and the locking portion 13 also moves in the width direction of the fixing portion 11 accordingly. The locking portion 13 is lifted obliquely upward toward the center direction, and is in a state where the locking portion 13 protrudes outward from the groove portion 21. That is, the engagement of the locking portion 13 with the concave groove portion 21 is released.

  Therefore, when the end edge on the side where the engagement of the flooring 2 is released is slid obliquely upward, the engagement of the locking portion 13 of the fixing bracket 1a with the concave groove 21 of the other end of the flooring 2 is performed. It is cancelled | released and the flooring 2 can be removed.

In addition, after removing the material that has fallen into the joint S, the floor material 2 that has been removed again is fixed at the original location, or when the new floor material 2 is fixed after the floor material 2 that has been damaged and removed,
Fixing without loosening the fixing screw 4 while lifting one side edge of the flooring 2 upward and placing the other side edge side on the joist 3 with the fixing screw 4 not being loosened. Sliding in the direction of the metal fitting 1 a, the locking portion 13 of the fixing metal fitting 1 a not loosened with the fixing screw 4 is fitted into the concave groove portion 21 of the flooring 2.

Next, the end of the floor material 2 on the side where the fixing screw 4 is loosened is placed on the joist 3 while avoiding the fixing bracket 1a.
Then, the fixing screw 4 of the fixing bracket 1a with the fixing screw 4 loosened is screwed into the joist 3 with a screwdriver D having a tip inserted from the joint S, and the fixing part 11 is again along the upper surface of the joist 3. As shown in FIG. 3, the floor material 2 that has been reattached or replaced is fixed to the joist 3 with the engaging portion 13 facing the recessed groove portion 21 on one side edge of the floor material 2. To do.

As described above, the fixing bracket 1a can easily remove only the floor material 2 to be removed without removing the other floor material 2. Moreover, the removed flooring 2 can be reattached or replaced with a new flooring 2.
Therefore, it is not necessary to remove the floor material 2 from the end in order when taking out the material that has fallen into the joint S or replacing the damaged floor material, and the work time is excellent as compared with the conventional one. Can also be shortened.

FIG. 5 shows a second embodiment of the fixing metal fitting according to the present invention.
As shown in FIG. 5, the fixing bracket 1 b includes a plate-like protrusion 13 c formed by cutting a part of both end edges in the longitudinal direction of the horizontal portion 13 a at a right angle toward the fixing portion 11 side. Except for this, it is the same as the fixing bracket 1a.

Since the fixing bracket 1b includes the protrusion 13c as described above, the fixing portion 11 is elastically deformed along the upper surface of the joist 3 by tightening the fixing screw 4, and the horizontal portion 13a is a concave portion of the flooring 2. When approaching the lower wall of the groove 21, the protrusion 13 c acts to bite into the lower wall of the groove 21.
Therefore, the shift | offset | difference movement of the longitudinal direction of the flooring 2 can be suppressed reliably.

  In the case of the fixing bracket 1b, the protrusion 13c is provided as described above, and the protrusion 13c bites into the lower side wall of the concave groove portion 21, so that when the flooring 2 is removed, the both sides of the flooring 2 are removed. It is necessary to loosen the fixing screw 4 of the fixing bracket 1b.

The present invention is not limited to the above embodiment. For example, in the above embodiment,
Although the screw insertion hole is one in the fixing portion, two or more screws may be provided in the case of a long length.
Further, in the second embodiment, the protrusions are formed by raising a part of both end edges in the longitudinal direction of the horizontal portion at right angles toward the fixed portion side. It may be provided at the edge of one side, or may be provided at the central portion in the longitudinal direction of the horizontal portion.

  The fixing bracket of the present invention can be used for fixing a floor material used for a balcony floor or the like to a base material such as a joist.

DESCRIPTION OF SYMBOLS 1a, 1b Fixing metal fitting 11 Fixing part 11a Screw insertion hole 12 Standing part 13 Locking part 2 Flooring material 21 Groove part 3 joist (base material)

Claims (2)

A plate-like fixing portion having a screw insertion hole, and by screwing a fixing screw into the base material through the screw insertion hole, the periphery of the screw insertion hole being sandwiched between the screw head and the base; ,
Two rising parts rising from both sides of this fixed part,
It extends in the direction away from the other rising part from the upper end of the rising part, fits into the groove part provided on the side surface of the floor material placed on the base material along the rising part, and the wall surface of the groove part is In the flooring fixture with a locking part that elastically locks with the base material and fixes the end of the flooring,
The fixing part has a curved shape that protrudes downward so that the upper ends of the rising parts are closer to the lower end in a no-load state, and the peripheral part of the screw insertion hole is grounded by screwing the fixing screw. Are formed so as to elastically deform along the base surface and the locking portion enters the concave groove portion and elastically lock the wall surface of the concave groove portion with the base material. Fixed metal fittings characterized by   The fixing bracket according to claim 1, wherein the locking portion includes a protrusion that bites into a wall surface of the groove portion.

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