JPH10219918A - Ceiling material mounting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely engage a fixture with a deck plate of a ceiling at a touch. SOLUTION: The ceiling material mounting device, in which a ceiling material is suspended from a deck plate 15 of a ceiling part 17, comprises a fixture 1 and a hanging bolt 2, and the fixture 1 includes a central horizontal plate 4, rise plates 5 which can be bent upward, and engaging plates 6 which extend obliquely downward from the top ends of the plates 5 and can be bent with respect to the plates 5. The bolt 2 is screwed into a threaded hole 3 of the fixture 1 and the tip thereof is brought into contact with the deck plate 15 and each plate 6 is engaged in an engaging recess 15b of the plate 15 and if the bolt 2 is screwed in, both the plates 5 are bent upward so that the opposed ends thereof are brought into contact with each other and both the plates 6, 6 are brought into firm engagement in the recess 15b.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ceiling material mounting device for mounting a ceiling material on a ceiling of a building frame of a building or the like.
In particular, when the surface of the ceiling portion is formed of a deck plate in which concave portions and convex ridge portions are alternately formed and have concave grooves along the longitudinal direction on both side surfaces of the concave fitting portion, the concave fitting of the deck plate is performed. TECHNICAL FIELD The present invention relates to a ceiling material mounting device for suspending a ceiling material with hanging bolts using a part.

[0002]

2. Description of the Related Art Conventionally, as a ceiling material mounting device, an L-shaped fitting is attached to a ceiling portion of a building frame on which a concrete slab or the like is cast by welding or bolting, or an insert fitting is buried. In some cases, a ceiling material is hung at a lower end portion of a suspension bolt screwed into a screw hole of a bracket through a ridge or a ridge receiver. However, in such a mounting device, there is a problem in that a large amount of labor and time are required for mounting the L-shaped bracket and the insert bracket to the ceiling, and the construction cost is high.

Therefore, in recent years, as shown in FIG. 5, a concrete slab 16 is cast on a deck plate 15 in which ridges 15a and recesses 15b are alternately arranged to form a ceiling (floor floor) 17. And using the longitudinal grooves 18 provided on both side surfaces of each of the ridges 15a of the deck plate 15 to provide a screw hole (nut) 19 at the center of the deck plate 15. A mounting bracket 20 made of a metal band plate having a large rigidity is formed in the recessed portion 15b with both ends engaged with the concave groove 18, and the suspension bolt 21 is inserted into the screw hole 19 of the mounting bracket 20. And a ceiling material 25 is suspended at the lower end of the suspension bolt 21 via a suspension hanger 22, a field support 23 and a field edge 24 (actually). Fairness 6-4201 JP, the 7-7454 Patent No., etc.).

[0004]

However, in the configuration using the above-described mounting bracket 20 having a high central portion and a substantially rectangular shape, the hanging load is based on the substantially rectangular shape and material of the mounting bracket 20. Depends on the bending resistance, and when the bending limit is exceeded, the mounting bracket 20 is deformed into a V-shape and comes off the ceiling portion 17, so that the load resistance of each mounting bracket 20 is inferior.
When the set suspension load increases, the number of suspension points per unit area of the ceiling member 25 needs to be increased, and the number of mounting brackets 20 and the suspension bolts 21 and various intervening members increases, which is necessary for mounting. More man-hours,
There has been a problem that material costs and construction costs are high.

Also, in such a mounting bracket 20, since the interval between both ends is naturally larger than the width between the lower edges on both sides of the concave portion 15b, when mounting on the concave portion 15b, the imaginary line in FIG. As shown in the figure, a two-stage operation is required in which both ends are inserted into the recessed portion 15b so as not to interfere with the deck plate 15, and then turned to the erection posture shown by the solid line in the figure, and both ends are firmly locked. Therefore, generally, a method is adopted in which the distance between the both ends is set slightly larger than the distance between the concave grooves 18 and 18 and the direction of the erection posture is set by hitting with a hammer or the like. There was also a disadvantage that it became more complicated.

The present invention has been made in view of the above circumstances, and as a ceiling material mounting device, a mounting bracket serving as a mounting base can be extremely easily attached to a deck plate on a ceiling by a one-touch operation. Since the attachment strength of the bracket is extremely high, the load capacity at each suspension position can be set large, and the number of suspension points per unit area of the ceiling material can be significantly reduced compared to the conventional mounting device, and it can be used accordingly It is an object of the present invention to provide a member in which the number of members and the number of steps for mounting are reduced, and material costs and construction costs can be significantly reduced.

[0007]

In order to achieve the above object, a ceiling material mounting apparatus according to a first aspect of the present invention is provided with a ceiling having an engagement recessed portion 15b, as indicated by reference numerals in the drawings. A ceiling material mounting device for hanging a ceiling material 25 on a deck plate 15 of a part 17, comprising a mounting bracket 1 and a ceiling material suspension hanging bolt 2, wherein the mounting bracket 1 has a screw hole 3. A central horizontal plate portion 4 having: a rising plate portion 5 extending from the left and right ends of the central horizontal plate portion 4 and capable of bending in opposite directions to each other; and an upper end portion of the rising plate portion 5 And a horizontally long engaging plate portion 6 extending obliquely downward to the left and right sides and being bendable with respect to the rising plate portion 5.
Each of the rising plate portions 5 and each of the engagement plate portions 6 are provided with hanging bolt insertion openings 7 that open over both of them. The hanging bolts 2 are screwed into the screw holes 3 of the mounting bracket 1, and It is inserted into the hanging bolt insertion opening 7, the tip of which is in contact with the deck plate 15, and each engagement plate 6 of the mounting bracket 1 is engaged with the engagement recess 15 b of the deck plate 15, When the suspension bolt 2 is further screwed in, the central horizontal plate portion 4 is lowered by the screw action, whereby the both upper plate portions 5, 5 are bent in the opposite direction, and the opposite end portions of both engagement plate portions 6, 6. Are brought into contact with each other, and the two engaging plate portions 6 and 6 are stretched by the deck plate 1.
5 is adapted to be strongly engaged with the engaging recess 15b.

According to the first aspect of the present invention, the suspension bolt 2 is screwed into the screw hole 3 of the central horizontal plate portion 4, and in this state, the mounting bracket 1 is engaged with the engagement recess 15 b of the deck plate 15.
When fitted to the center horizontal plate portion 4 and the tip portions 6a of the left and right engagement plate portions 6, 6 extending diagonally downward with the rising plate portions 5, 5 rising from the left and right end portions thereof interposed therebetween. The engagement plate 6 is further bent downward as shown by the imaginary line in FIG. 3 by the projection 6a hitting the left and right projections 15c, 15c of the engagement recessed portion 15b, and the tips 6a, 6a project left and right. The two engaging plate portions 6, 6 are moved by the restoring force of the bent portion by passing over the projecting portion 15c and passing through the projecting portion 15c.
The leading end portions 6a, 6a (engaging portions) are engaged with the engaging grooves 18 of the engaging concave fitting portions 15b, so that the fitting 1 is fitted toward the engaging concave fitting portions 15 of the deck plate 15. The fitting 1 is engaged with the concave fitting portion 1 with just one touch.
5b, so workability is good.
Since the mounting brackets 1 are mounted on the deck plate 15 innumerably, the good workability of the mounting work has a remarkable effect on the ceiling material mounting work.

According to the present invention, the suspension bolt 2
When the suspension bolt 2 is further screwed in a state where the upper end of the upper plate abuts on the deck plate 15, the central horizontal plate portion 4 is lowered by a screw action, whereby the left and right compatible upper plate portions 5 and 5 are bent in opposite directions. Then, the upper end portions of the upper plate portions 5 and 5 abut against each other, and the engagement plate portions 6 and 6 exert a tension action by the contact reaction force of the opposing end portions. 6 is the engagement recessed portion 1
5b is strongly engaged with the concave groove 18. For this reason, the load of the ceiling material is directly received by the central horizontal plate portion 4, the upper standing plate portions 5, 5 and the both engaging plate portions 6, 6, which are connected to each other, and these members are connected. Little or no load is applied to the bent portions 8 and 10, and even a heavy ceiling material can be reliably and safely suspended.

According to a second aspect of the present invention, in the ceiling material mounting apparatus according to the first aspect, the opposite ends of the engaging plate portions 6 and 6 are formed in a planar shape so as to make surface contact when they come into contact with each other. Is what is being done.

According to the present invention, the opposite ends of the two engaging plate portions 6, 6 come into contact with each other in a surface contact state by screwing the suspension bolt 2, so that the two engaging plate portions 6, 6 are brought into contact with the opposite end portions. A strong tension action is exerted by the contact reaction force of the engaging portions, so that the engaging portions 6a of the engaging plate portions 6 are
5b will be engaged more strongly.

The invention according to claim 3 is the invention according to claim 1 or 2
In the ceiling material mounting device described in (1), a small hole 9 for promoting bending is formed in a bent portion 8 between the central horizontal plate portion 4 and each rising plate portion 5.

According to the present invention, when the central horizontal plate portion 4 is lowered by screwing the suspension bolts 2, the both upper plate portions 5 are more easily bent, and the opposite end portions of both engagement plate portions 6, 6 are moved. More reliable contact can be achieved.

According to a fourth aspect of the present invention, there is provided the ceiling material mounting apparatus according to any one of the first to third aspects, wherein each of the rising plate portions 5 is provided.
A small hole 11 for accelerating the bending is formed in a bent portion 10 between the first and second engaging plate portions 6.

According to the present invention, when the central horizontal plate portion 4 is lowered by screwing the suspension bolts 2, the both upper plate portions 5 bend more easily, and the opposite end portions of both engagement plate portions 6, 6 are moved. In addition to being able to make contact more reliably, the bent portion 10 between each rising plate portion 5 and each engaging plate portion 6 is more easily bent, and the mounting bracket 1 is used for engaging the deck plate 15 for engagement with the deck plate 15. When fitting into the concave fitting portion 15b, the engaging plate portion 6 can easily bend downward to get over the left and right protruding portions 15c, and the mounting bracket 1 can be further squeezed by the engaging concave fitting portion 15 of the deck plate 15. Workability is good because it can be easily engaged with one touch.

According to a fifth aspect of the present invention, in the ceiling material mounting apparatus according to any one of the first to fourth aspects, each of the engagement plate portions 6 is provided with a reinforcing rib 12 along the longitudinal direction thereof. .

According to the present invention, the reinforcing ribs 12 are provided on the engaging plate portion 6 to positively prevent the engaging plate portion 6 from bending or bending. Further load resistance can be imparted.

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a mounting bracket 1 used in a ceiling mounting apparatus according to an embodiment of the present invention, and a ceiling material suspension bolt 2 screwed into the mounting bracket. Mounting bracket 1
Is made by punching and bending a single sheet of spring steel or heat-treated steel,
A pair of rising plate portions 5, 5 rising upward from both left and right end portions of the central horizontal plate portion 4 having the screw holes 3 formed by burring is extended, and the both rising plate portions 5, 5 are bent in opposite directions to each other. A pair of engaging plate portions 6, 6 extending laterally laterally from both ends of the upper plate portions 5, 5 extend obliquely downward, and the two engaging plate portions 6, 6 are connected to the upper plate portions. Each of the rising plate portions 5 and each of the engagement plate portions 6
Are provided with hanging bolt insertion openings 7 that open over both members 5 and 6, and the distal ends of both engagement plates 6 and 6 are used as engagement portions 6a and 6a. 6 are bent downward in an L-shape on both sides in the longitudinal direction to form reinforcing ribs 12,
12 are formed.

FIG. 2A is a plan view of the mounting bracket 1 in an expanded state, that is, a plan view of a flat plate-shaped member 1 'punched into a predetermined shape when the mounting bracket 1 is manufactured. By bending this flat plate-shaped member 1 'along a broken line shown by a dotted line in the figure, a three-dimensional mounting bracket 1 as shown in FIG. 1 is formed. This is shown in FIG. As can be seen from FIG. 2 (B), the upper and lower upper plates 5, 5 are bent in a substantially C-shape when viewed from the front, with their upper ends spaced apart at an appropriate interval.

As shown in FIGS. 1 and 2, between the central horizontal plate portion 4 and each of the rising plate portions 5, a bent portion which is bent upward at right angles to the left and right end edges of the central horizontal plate portion 4. A piece portion 4a is formed, and a rising plate portion 5 is extended upward from the bent piece portion 4a so as to be bent, and a portion between the bent piece portion 4a and the rising plate portion 5 is formed. A small hole 9 for promoting bending is formed in the bent portion 8. Further, between each of the rising plate portions 5 and each of the engagement plate portions 6, a bent piece portion 6a which is bent downward from an end edge of each of the engagement plate portions 6 is formed. A bent portion 10 is formed between the bent piece portion 6a and the rising plate portion 5, and a small hole 11 for promoting bending is formed in the bent portion 10. When the small holes 9 and 11 are penetrated, the bent portions 8 and 11 are formed.
The bending of the upper and lower plates 10 and 5 can be easily and quickly bent in the facing direction, so that the facing end portions can be more reliably abutted.

In FIGS. 3 and 4, reference numeral 17 denotes a ceiling (floor floor), on which a concrete slab 16 is cast on a deck plate 15 in which ridges 15a and recesses 15b are alternately arranged. The both sides of the recessed portion of the recessed portion 15b are formed as protrusions 15c protruding inward.
5c, the concave grooves 18, 18 along the longitudinal direction are
5b is formed on both sides of the inner wall as in the related art.

To mount the ceiling member 25 (see FIG. 5) using the mounting bracket 1 having the above structure, first,
The suspension bolt 2 is screwed slightly shallowly into the screw hole 3 of the mounting bracket 1 so that the upper end of the bolt 2 slightly projects from the upper end of the upper and lower plates 5, 5. At this time, the upper ends of the suspension bolts 2 are connected to the suspension bolt insertion openings 7, 7.
Is inserted slightly.

In the above state, the mounting bracket 1 is brought into the engagement recessed portion 15b of the deck plate 15 as shown in FIG. After the distal end portions 6a, 6a of the left and right engagement plate portions 6, 6 extending obliquely downward with the portions 5, 5 therebetween, hit the left and right protrusion portions 15c, 15c of the engagement concave fitting portions 15b, 15b. As shown by the imaginary line in FIG. 3, each of the engagement plate portions 6 is further bent downward by the bending action of the bending portions 8 and 10 to get over the left and right projecting portions 15c, and passes through the projecting portions 15c to thereby bend the bending portions 8 , 10 with the restoring force of both engagement plate portions 6
The engaging portion 6a is engaged with the engaging groove 18 of the concave fitting portion 15 for engagement. Therefore, the mounting bracket 1 is connected to the deck plate 1
The fitting 1 can be engaged with the engagement recessed portion 15b by one-touch only by fitting toward the engagement recessed portion 15 of FIG.

At this time, since the small hole 9 for accelerating the bending is formed in the bent portion 10, when the fitting 1 is fitted to the concave fitting portion 15 b of the deck plate 15, the two bent portions are formed. The portions 8 and 11 are more easily bent, and the respective engaging plate portions 6 can be easily bent downward to get over the left and right protruding portions 26, and the mounting bracket 1 is connected to the engaging recessed portions 15 of the deck plate 15. Thus, it is possible to more easily engage with one touch, and workability is good.

Then, the respective engaging plate portions 6 of the mounting bracket 1 are fitted into the engaging concave fitting portions 15b, and the engaging portions 6a of the engaging plate portions 6 are engaged with the concave grooves 18. The upper end of the suspension bolt 2 is brought into contact with the top plate 15d of the deck plate 15, and the suspension bolt 2 is further screwed in this state.
The lower left and right upper plate portions 5 and 5 are bent in opposite directions via the bent portions 8, 8, 10 and 10 by the screw action of the upper and lower screw portions 3, 5. By contacting the upper ends with each other and screwing the suspension bolt 2 more strongly, the opposing bent piece portions 6a, 6 of the both engagement plate portions 6, 6 are formed.
a come into contact with each other in a surface contact state, and both engagement plate portions 6, 6
Exerts a strong tension action by the contact reaction force of the opposing ends thereof, whereby the engaging portions 6a of the respective engaging plate portions 6 are strongly engaged with the concave grooves 18 of the engaging concave fitting portions 15b. become.

For this reason, the load of the ceiling member 25 is directly received by the central horizontal plate portion 4, the rising plate portions 5, 5 and the engagement plate portions 6, 6, which are provided continuously with each other. Since little or no load is applied to the bent portions 8 and 10 between the members, even the heavy ceiling material can be reliably and safely hung. When the rising plate portions 5 and 5 are bent in the facing direction and the facing end portions of the two engaging plate portions 6 and 6 come into contact with each other, the hanging bolts 2 are inserted into the hanging bolts on both sides as shown in FIG. It is in a state of being inserted into the through openings 7, 7.

In this case, by providing a reinforcing rib 12 along the longitudinal direction of each engaging plate 6, the curving or bending action of the engaging plate 6 is positively prevented, whereby the ceiling material is 25, the load resistance can be further increased. The bending portion 8 between the central horizontal plate portion 4 and each rising plate portion 5 and the bending portion 10 between each rising plate portion 5 and each engagement plate portion 6 have small bending promoting portions. Hole 9,
Since the center plate 11 is lowered by the screwing of the suspension bolt 2, the upper plate 5 bends more easily, and the opposite ends of the engagement plates 6, 6 are bent. More reliable contact can be achieved.

After attaching the suspension bolt 2 to the deck plate 15 as described above, the lower end of the suspension bolt 2
Hanging the ceiling material 25 via the hanging hanger 22, the ridge receiver 23 and the ridge 24 is the same as the conventional example shown in FIG.

In the above-described embodiment, the bent pieces 5a, 5a are formed at the opposite ends of the left and right engagement plates 6, 6, so that the two bent pieces 5a, 5a are faced. Although the contact portions are brought into contact with each other, the bent end portions 5a, 5a as described above are not provided, and the opposite ends of the engagement plate portions 6, 6 may be brought into contact with each other in a line contact state. Good. In this case, the opposing ends of both engagement plate portions 6 and 6 become the upper ends of both upper plate portions 5 and 5 as they are. Further, in the above-described embodiment, the screw hole 3 of the mounting bracket 1 is formed by perforating the metal plate itself, but the screw hole 3 may be formed by welding a nut. In the present invention, the detailed configuration of each part of the mounting bracket 1, the detailed shape of the deck plate 15, the type and shape of the intervening member for mounting the ceiling member 25 to the lower end of the suspension bolt 2, and the like are described in the embodiment. Besides, various design changes can be made.

[0030]

According to the first aspect of the present invention, the fitting can be engaged with the engaging recess by one-touch only by fitting the fitting toward the engaging recess of the deck plate. Yes, workability is good. Since this mounting bracket is innumerably mounted on the deck plate, the good workability of this mounting work has a remarkable effect on the ceiling material mounting work.

Further, according to the present invention, the tips of the suspension bolts are in strong contact with the top plate of the deck plate, and the tips of the engaging plate are strongly engaged with the engaging recesses of the deck plate. And the strong tension between them both supports the suspension bolts and thus the ceiling material,
The ceiling member can be stably supported without being shaken by wind pressure or vibration of an indoor air conditioner or the like.

According to the present invention, the load on the ceiling material is
The central plate, the rising plate, the upward plate, and the engagement plate are directly supported by the mutually connected plates, and little or no load is applied to the bent portion connecting these members, so that the weight is reduced. Even if it is on a certain ceiling material, it can be reliably and safely hung.

According to the second aspect of the present invention, the opposite end portions of the two engaging plate portions come into contact with each other in a surface contact state by screwing the suspension bolts. By exerting a strong tension action by the contact force, the engaging portions of the respective engaging plate portions can be more strongly engaged with the engaging concave fitting portions.

According to the third aspect of the present invention, when the central horizontal plate is lowered by screwing the suspension bolts, the upper and lower plates are more easily bent, so that the opposed ends of the both engaging plates are more reliably held. Can be abutted.

According to the fourth aspect of the present invention, when the central horizontal plate is lowered by screwing the suspension bolt, the both upper plates are bent more easily, and the opposite ends of the two engagement plates are more reliably held. In addition to being able to abut, the bent portion between each rising plate portion and each engaging plate portion is more easily bent, and when fitting the fitting to the engaging concave fitting portion of the deck plate. In addition, the engaging plate portion can be easily bent downward to get over the left and right protruding portions, and the mounting bracket can be more easily and one-touch engaged with the engaging concave fitting portion of the deck plate, thereby improving workability. .

According to the fifth aspect of the present invention, the reinforcing plate is provided on the engaging plate portion to positively prevent the engaging plate portion from being bent or bent. Can withstand the load.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a main part of a ceiling material mounting device according to an embodiment of the present invention.

FIG. 2A is a plan view showing a state where a mounting bracket is developed, and FIG. 2B is a longitudinal sectional view of the mounting bracket.

FIG. 3 is a front view showing a mounting process of the ceiling material mounting device.

FIG. 4 is a front view showing a mounting process of the ceiling material mounting device.

FIG. 5 is a longitudinal sectional view showing a state in which a ceiling material is suspended by a conventional ceiling material mounting device.

FIG. 6 is a cross-sectional plan view showing a mounting operation of a mounting bracket by a conventional ceiling material mounting device.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 mounting bracket 2 hanging bolt for hanging ceiling material 3 screw hole 4 central horizontal plate portion 5 rising plate portion 6 engaging plate portion 7 hanging bolt insertion opening 8 bent portion 9 small hole 10 bent portion 11 small hole 12 reinforcement Rib 15 Deck plate 15b Engagement recess

Claims (5)

[Claims] 1. A ceiling material mounting device for mounting a ceiling material on a deck plate of a ceiling portion having a recess for engagement, comprising: a mounting bracket; and a suspension bolt for hanging a ceiling material. A central horizontal plate portion having a screw hole, a rising plate portion extending from the left and right ends of the central horizontal plate portion and capable of bending in opposite directions to each other; A horizontally long engaging plate portion extending obliquely downward to both sides and bendable with respect to the rising plate portion,
Each of the rising plate portions and each of the engagement plate portions is provided with a suspension bolt insertion opening that opens over both. The suspension bolt is screwed into a screw hole of a mounting bracket and inserted into the suspension bolt insertion opening. Then, the leading end thereof is brought into contact with the deck plate, and each engaging plate portion of the mounting bracket is engaged with the engaging concave fitting portion of the deck plate, and the suspension bolt is further screwed into the central horizontal plate portion. Is lowered by the screw action, whereby the both upper plate parts are bent in the opposite direction so that the opposite ends of the two engagement plate parts abut against each other, and the two engagement plate parts are brought into contact with each other by the tensioning action of the deck plate. A ceiling material mounting device adapted to be strongly engaged with a part. 2. The ceiling material mounting device according to claim 1, wherein the opposite ends of the engagement plate portions are formed in a planar shape so as to come into surface contact with each other when they come into contact with each other. 3. The ceiling material mounting device according to claim 1, wherein a small hole for promoting bending is formed in a bent portion between the central horizontal plate portion and each rising plate portion. 4. A bend-promoting small hole penetrates a bent portion between each of the rising plate portions and each of the engagement plate portions.
3. The ceiling material mounting device according to any one of 3. 5. The ceiling material mounting device according to claim 1, wherein a reinforcing rib is provided on each of the engagement plate portions.