JP3406471B2 - Ceiling mounting device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ceiling material attaching device for attaching a ceiling material to a ceiling portion of a building body such as a building,
In particular, when the surface of the ceiling portion is formed of a deck plate in which concave portions and convex line portions are alternately formed and concave grooves along the longitudinal direction are formed on both side surfaces of the concave fitting portion, the concave fitting of the deck plate is performed. The present invention relates to a ceiling material mounting device that suspends a ceiling material with hanging bolts by using a portion.

[0002]

2. Description of the Related Art Conventionally, as a ceiling material mounting device, an L-shaped metal fitting or an insert metal fitting is embedded in a ceiling portion of a building body on which a concrete slab or the like is placed by welding or bolting, and these L-shaped metal fittings and inserts are embedded. In some cases, the ceiling material is hung from the lower end portion of the hanging bolt screwed into the screw hole of the metal fitting through the field edge or the field edge receiver. However, in such a mounting device, there is a problem that a large amount of labor and time are required for the mounting work of the L-shaped metal fitting and the insert metal fitting to the ceiling portion, 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 convex stripes 15a and concave depressions 15b are alternately arranged, and a ceiling portion (upper floor) 17 is formed. In addition, the grooved portions 18, 18 along the longitudinal direction provided on both side surfaces of each projecting ridge portion 15a of the deck plate 15 are utilized to make the center of the screw hole (nut) 19 high. A mounting bracket 20 made of a metal strip having a large rigidity is erected in the recessed portion 15b with both ends thereof engaged with the recessed groove 18, and the hanging bolt 21 is attached to the screw hole 19 of the mounting bracket 20. In addition to screwing the upper end of the ceiling bolt 25, the ceiling material 25 is hung on the lower end of the hanging bolt 21 via the hanging hanger 22, the field edge receiver 23, and the field edge 24 (actually, Fair 6-4201 JP, the 7-7454 Patent No., etc.).

[0004]

However, in the structure using the above-mentioned mounting bracket 20 having a high central portion and a substantially V-shape, the lifting load is based on the substantially V-shaped shape and material of the mounting bracket 20. It depends on the flexural strength, and when the flexural limit is exceeded, the mounting bracket 20 is deformed into a V shape and comes off the ceiling portion 17, so that the load bearing capacity of each mounting bracket 20 is poor.
When the set suspension load becomes large, it is necessary to increase the number of suspension points per unit area of the ceiling material 25, which increases the number of use points of the mounting bracket 20, the suspension bolt 21, and various intervening members and requires mounting. The man-hour also increases,
There is a problem that the material cost and the construction cost are high.

Further, in such a mounting bracket 20, since the space between both ends is naturally larger than the width between the lower edges of both sides of the recessed portion 15b, the imaginary line in FIG. As shown, both ends are inserted into the recessed portion 15b so that they do not interfere with the deck plate 15 and then pivoted to the erected position shown by the solid line in the figure, which requires a two-step operation, and both ends are firmly locked. For this reason, generally, a method is employed in which the distance between the both ends is set to be slightly larger than the distance between the concave grooves 18, and the hammer is hit with a hammer or the like to orient in the erection posture. There was also the drawback of becoming more complicated.

[0006] In view of the above situation, the present invention is a ceiling material mounting device, in which a mounting base, which is a mounting base, can be attached to a deck plate of the ceiling portion by one-touch operation very easily, and further, the mounting member can be attached. Since the fitting strength of the metal fittings is very large, the withstand load at each hanging position can be set large, and the number of hanging parts per unit area of the ceiling material can be greatly reduced compared to the conventional mounting device, and it is used only It is an object of the present invention to provide a material in which the number of members to be used and the number of mounting steps are reduced, and the material cost and the construction cost can be significantly reduced.

[0007]

In order to achieve the above object, a ceiling material mounting device according to claim 1 of the present invention has a ceiling having an engaging recessed portion 15b, if indicated by the reference numerals in the drawings. A ceiling material mounting device for suspending a ceiling material 25 on a deck plate 15 of a portion 17, comprising a mounting bracket 1 and a ceiling material suspension hanging bolt 2, the mounting bracket 1 having a screw hole 3 A central horizontal plate portion 4, a rising plate portion 5 extending from both left and right ends of the central horizontal plate portion 4 and bendable in mutually opposite directions, and an upper end portion of the rising plate portion 5. And a laterally long engaging plate portion 6 which is obliquely downwardly extended to the left and right sides and is bendable with respect to the rising plate portion 5,
Each rising plate portion 5 and each engagement plate portion 6 is provided with a hanging bolt insertion opening 7 that opens across both of them, and the hanging bolt 2 is screwed into the screw hole 3 of the mounting bracket 1 and is The hanging bolt is inserted through the opening 7 for inserting the hanging bolt, the tip end thereof is brought into contact with the deck plate 15, and the engaging plate portions 6 of the mounting bracket 1 are engaged with the engaging concave portions 15b of the deck plate 15, When the hanging bolt 2 is further screwed in, the central horizontal plate portion 4 is lowered by the screwing action, whereby the compatible upper plate portions 5 and 5 are bent in the opposite directions, and the opposite end portions of the engaging plate portions 6 and 6 are opposed to each other. Contact each other, and the engaging plate portions 6 and 6 are stretched to each other so that the deck plate 1
5 is adapted to be strongly engaged with the engaging recess 15b of FIG.

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 engaging recess fitting portion 15b of the deck plate 15.
When fitted to each other, the front and rear end portions 6a of the left and right engaging plate portions 6 and 6 extending diagonally downward with the central horizontal plate portion 4 and the rising plate portions 5 and 5 rising from both left and right ends thereof sandwiched therebetween. When 6a hits the left and right protruding portions 15c, 15c of the engaging recessed fitting portion 15b, the engaging plate portion 6 bends further downward as shown by the phantom line in FIG. 3, and the tip portions 6a, 6a thereof protrude left and right. Both the engaging plate portions 6, 6 are overcome by the restoring force of the bent portion by overcoming the portion 15c and passing through the protruding portion 15c.
Since the front end portions 6a, 6a (engagement portions) of the are engaged with the engagement groove 18 of the engagement recess fitting portion 15b, the mounting bracket 1 is fitted toward the engagement recess fitting portion 15 of the deck plate 15. The fitting fitting 1 can be engaged with the fitting 1 by just touching it.
5b can be engaged and workability is good.
Since the mounting brackets 1 are attached to the deck plate 15 innumerably, the workability of this mounting work has a remarkable effect on the ceiling material mounting work.

Further, according to the present invention, the suspension bolt 2 is provided.
With the upper end of the abutment against the deck plate 15, the hanging bolt 2 is further screwed in, and the central horizontal plate portion 4 is lowered by the screw action, whereby the left and right compatible upper plate portions 5 and 5 are bent in opposite directions. Then, the upper ends of the upper and lower plate parts 5, 5 contact each other, and the engaging plate parts 6, 6 exert a tensioning action by the contact reaction force of the opposite end parts thereof, whereby the engaging plate parts are engaged. The engaging portion 6a of 6 is the concave fitting portion 1 for engagement.
It strongly engages with the groove 18 of 5b. Therefore, the load of the ceiling material is directly received and supported by the central horizontal plate portion 4, the compatible upper plate portions 5 and 5 and the engaging plate portions 6 and 6 which are continuously provided to connect these members. Little or no load is applied to the bent portions 8 and 10, and it is possible to reliably and safely suspend even a heavy ceiling material.

According to a second aspect of the present invention, in the ceiling material mounting device according to the first aspect, the opposing end portions of the engaging plate portions 6 and 6 are formed in a flat shape so as to make surface contact when they come into contact with each other. It has been done.

According to the present invention, when the suspension bolt 2 is screwed in, the opposite ends of the engaging plate portions 6 and 6 come into contact with each other in a surface contact state, so that the engaging plate portions 6 and 6 are opposed to each other. The engaging reaction force of the parts exerts a strong tensioning action, so that the engaging parts 6a of the engaging plate parts 6 have the engaging concave fitting parts 1
It will engage more strongly with the groove 18 of 5b.

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 accelerating bending is penetratingly provided in a bending 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 in the suspension bolt 2, the compatibility upper plate portion 5 is more easily bent, and the opposite end portions of both the engaging plate portions 6 are fixed. The contact can be made more reliably.

The invention according to claim 4 is the ceiling material mounting device according to any one of claims 1 to 3, wherein each rising plate portion 5 is provided.
A small hole 11 for accelerating the bending is provided in a bending portion 10 between the engaging plate portion 6 and each of the engaging plate portions 6.

According to the present invention, when the central horizontal plate portion 4 is lowered by screwing the suspension bolt 2, the compatible upper plate portion 5 bends more easily, and the opposite end portions of the engaging plate portions 6 and 6 are brought into contact with each other. In addition to being able to make more reliable contact, the bending portion 10 between each rising plate portion 5 and each engagement plate portion 6 becomes easier to bend, and the mounting bracket 1 for engaging the deck plate 15 When fitted into the concave fitting portion 15b, the engaging plate portion 6 can be easily bent downward to ride over the left and right projecting portions 15c, and the mounting metal fitting 1 can be further fitted to the engaging concave fitting portion 15 of the deck plate 15. It can be easily engaged with one touch and has good workability.

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

According to the present invention, by providing the reinforcing ribs 12 on the engaging plate portion 6, the bending or bending action of the engaging plate portion 6 is positively prevented, whereby the Further load resistance can be imparted.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a mounting member 1 used in a ceiling material mounting device according to an embodiment of the present invention, and a ceiling material hanging bolt 2 that is screwed into the mounting member. Mounting bracket 1
Is manufactured by stamping and bending a single plate material made of spring steel or heat-treated steel,
A pair of rising plate parts 5 and 5 rising upward from both left and right ends of a central horizontal plate part 4 in which a screw hole 3 is formed by burring is extended to bend the compatible upper plate parts 5 and 5 in mutually opposite directions. A pair of engaging plate portions 6 and 6 extending laterally from the upper end portions of the compatible upper plate portions 5 and 5 to the both sides are extended obliquely downward so that both engaging plate portions 6 and 6 are compatible. The rising plates 5 and the engaging plates 6 are made bendable with respect to the parts 5 and 5.
An opening 7 for inserting a hanging bolt that opens across both members 5 and 6 is provided in and, and the tip end portions of both engaging plate portions 6 and 6 are used as engaging portions 6a and 6a. 6. Both side portions in the longitudinal direction of 6 are bent downward in an L shape to form reinforcing ribs 12,
12 is formed.

FIG. 2 (A) shows a plan view of the mounting member 1 in an unfolded state, that is, a flat plate-shaped member 1'which is punched into a predetermined shape when the mounting member 1 is manufactured. By bending this flat plate-shaped material 1'along the broken lines shown in the figure, a three-dimensional mounting metal fitting 1 as shown in FIG. 1 is formed. It is shown in FIG. As can be seen from FIG. 2B, the compatible upper plate portions 5 and 5 are bent and formed in a substantially C-shape when viewed from the front with their upper ends separated from each other 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 bending bent upward at a right angle to both left and right edges of the central horizontal plate portion 4 is formed. A piece portion 4a is formed, and a rising plate portion 5 is bendably extended upward from the bending piece portion 4a, and a portion between the bending piece portion 4a and the rising plate portion 5 is formed. A small hole 9 for accelerating bending is provided through the bending portion 8. Further, a bent piece portion 6a bent downward from the end edge of each engaging plate portion 6 is formed between each rising plate portion 5 and each engaging plate portion 6, and this folding portion 6a is formed. A bent portion 10 is formed between the bent piece portion 6 a and the rising plate portion 5, and a small hole 11 for promoting bending is formed through the bent portion 10. Since the small holes 9 and 11 are provided so as to penetrate, the bent portions 8 and
The bending of 10 becomes easier, and the upper plate portions 5 and 5 can be bent quickly and easily in the facing direction, and the facing end portions thereof can more reliably abut.

In FIGS. 3 and 4, reference numeral 17 denotes a ceiling portion (upper floor), in which a concrete slab 16 is placed on a deck plate 15 in which convex ridge portions 15a and concave portions 15b are alternately arranged. And both sides of the concave fitting opening of the concave fitting portion 15b are projecting portions 15c that project inward.
5c allows the concave grooves 18, 18 along the longitudinal direction to form the concave fitting portion 1.
It is the same as the conventional one that it is formed on both sides of the inner wall of 5b.

To mount the ceiling material 25 (see FIG. 5) using the mounting bracket 1 having the above structure, first,
The hanging bolt 2 is screwed into the screw hole 3 of the mounting member 1 slightly shallowly so that the upper end of the bolt 2 slightly protrudes from the upper ends of the upper plate portions 5 and 5. At this time, the upper end portion of the hanging bolt 2 has openings 7 and 7 for inserting the hanging bolt.
Is inserted a little.

By bringing the mounting member 1 into the engaging recessed fitting portion 15b of the deck plate 15 as shown in FIG. 3 in the above-mentioned state, the central horizontal plate portion 4 and the rising plates of the left and right end portions thereof. After the tip portions 6a and 6a of the left and right engaging plate portions 6 and 6 which extend obliquely downward with the portions 5 and 5 interposed therebetween hit the left and right protruding portions 15c and 15c of the engaging concave fitting portions 15b and 15b, As shown by the phantom line in FIG. 3, each of the engaging plate portions 6 is further bent downward by the bending action of the bending portions 8 and 10 to ride over the left and right protruding portions 15c, and by passing through the protruding portions 15c. , The plate 6 for engagement by the restoring force of 10
The engaging portion 6a of is engaged with the engaging groove 18 of the engaging concave fitting portion 15. Therefore, attach the mounting bracket 1 to the deck plate 1
The fitting 1 can be engaged with the engaging recessed fitting portion 15b with one touch by simply fitting the mounting fitting 1 toward the engaging recessed fitting portion 15 of FIG.

At this time, since the small hole 9 for accelerating the bending is formed through the bending portion 10, when the fitting 1 is fitted into the engaging concave fitting portion 15b of the deck plate 15, both bendings are bent. The portions 8 and 11 are more easily bent, and the engagement plate portions 6 can be easily bent downward to ride over the left and right protrusions 26, and the mounting bracket 1 can be engaged with the engagement recess fitting portion 15 of the deck plate 15. This makes it easier to engage with one-touch operation and has good workability.

Then, each engaging plate portion 6 of the mounting member 1 is fitted into the engaging concave fitting portion 15b, and the engaging portion 6a of the engaging plate portion 6 is engaged with the concave groove 18, The upper end of the hanging bolt 2 is brought into contact with the top plate portion 15d of the deck plate 15, and the hanging bolt 2 is further screwed in this state, whereby the central horizontal plate portion 4 is moved to the hanging bolt 2 as shown in FIG.
By the screw action of the screw holes 3 and the left and right compatible upper plate portions 5, 5 are bent in the opposite directions via the bending portions 8, 8, 10, 10, and thereby the compatible upper plate portions 5, 5 The upper end portions are in contact with each other, and the hanging bolt 2 is further strongly screwed in, so that the bent piece portions 6a, 6 facing each other of the engaging plate portions 6, 6
a are brought into contact with each other in a surface contact state, and the engaging plate portions 6, 6 are engaged.
Exerts a strong tensioning action by the abutting reaction force of the opposing ends thereof, whereby the engaging portion 6a of each engaging plate portion 6 is strongly engaged with the concave groove 18 of the engaging concave fitting portion 15b. become.

For this reason, the load of the ceiling member 25 is directly received and supported by the central horizontal plate portion 4, the rising plate portions 5 and 5 and the engaging plate portions 6 and 6 which are connected to each other, and these Since little or no load is applied to the bent portions 8 and 10 between the members, it is possible to reliably and safely suspend even a heavy ceiling material. When the rising plate portions 5 and 5 are bent in the opposite direction and the opposite end portions of the engaging plate portions 6 and 6 come into contact with each other, the suspension bolt 2 is attached to the suspension bolts on both sides as shown in FIG. It is in a state of being inserted through the common openings 7, 7.

In this case, each engaging plate portion 6 is provided with a reinforcing rib 12 along its longitudinal direction to positively prevent the bending or bending action of the engaging plate portion 6 and thereby the ceiling material. With respect to 25, further load resistance can be imparted. In addition, a bent portion 8 between the central horizontal plate portion 4 and each rising plate portion 5 and a bending portion 10 between each rising plate portion 5 and each engaging plate portion 6 have small bending promoting portions. Hole 9,
Since 11 is penetrated, when lowering the central horizontal plate portion 4 by screwing in the suspension bolt 2, the compatible upper plate portion 5 bends more easily, and the opposite end portions of both the engaging plate portions 6, 6 are connected to each other. The contact can be made more reliably.

After attaching the hanging bolt 2 to the deck plate 15 as described above, the lower end portion of the hanging bolt 2 is
It is the same as the conventional example shown in FIG. 5 that the ceiling material 25 is suspended via the hanging hanger 22, the field edge receiver 23, and the field edge 24.

In the above-described embodiment, the bent piece portions 5a, 5a are formed at the opposite ends of the left and right engaging plate portions 6, 6 so that the bent piece portions 5a, 5a are formed on the surface. Although the contact pieces are brought into contact with each other, the bending pieces 5a and 5a as described above are not provided, and the opposite ends of the engaging plate portions 6 and 6 may be brought into line contact with each other. Good. In that case, the opposing end portions of the two engaging plate portions 6 and 6 directly serve as the upper end portions of the upper plate portions 5 and 5. Further, in the above-described embodiment, the screw hole 3 of the mounting member 1 is formed by the parring process of the metal plate itself, but the screw hole 3 may be formed by welding a nut. Further, 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 interposing member for attaching the ceiling material 25 to the lower end portion of the hanging bolt 2, and the like are detailed in the embodiment. Other than that, various design changes are possible.

[0030]

According to the first aspect of the present invention, the fitting can be engaged with the engaging concave fitting portion by one-touch simply by fitting the fitting toward the engaging concave fitting portion of the deck plate. The workability is good. Since the mounting brackets are mounted on the deck plate innumerably, the workability of this mounting work is remarkable for the ceiling material mounting work.

According to the present invention, the tip of the hanging bolt is strongly abutted on the top plate of the deck plate, and the tip of the engaging plate is strongly engaged with the engaging concave fitting portion of the deck plate. Then, because the strong bolting action of both supports the hanging bolts, and thus the ceiling material,
The ceiling material can be stably supported without being shaken by wind pressure or vibration of an indoor air conditioner or the like.

Further, according to the present invention, the load of the ceiling material is
Since the center plate, the rising plate, the upward plate, and the engaging plate that are connected to each other directly support each other, and the bending portion that connects these members receives little or no load, the weight of Even a ceiling material can be hung securely and safely.

According to the second aspect of the present invention, the opposite ends of the two engaging plate portions come into contact with each other in surface contact with each other by screwing the suspension bolts. Therefore, the two engaging plate portions contact each other at their opposite end portions. The reaction force exerts a strong tensioning action, so that the engaging portion of each engaging plate portion can be more strongly engaged with the engaging concave fitting portion.

According to the third aspect of the present invention, when the central horizontal plate portion is lowered by screwing the suspension bolt, the compatible upper plate portion is more easily bent, so that the opposite end portions of both the engaging plate portions can be more reliably fixed. Can be brought into contact.

According to the fourth aspect of the present invention, when the central horizontal plate portion is lowered by screwing the suspension bolt, the compatible upper plate portion is more easily bent, so that the opposite end portions of both engaging plate portions can be more securely fixed. When the fittings can be brought into contact with each other and the bending portions between the rising plate portions and the engagement plate portions are more easily bent, and the fittings are fitted into the engagement concave fitting portions of the deck plate. In addition, the engaging plate portion can be easily bent downward to ride over the left and right protruding portions, and the mounting bracket can be engaged with the engaging concave fitting portion of the deck plate more easily with one touch, and workability is good. .

According to the invention of claim 5, the reinforcing ribs are provided on the engaging plate portion to positively prevent the bending or bending action of the engaging plate portion. The load resistance of can be imparted.

[Brief description of drawings]

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

FIG. 2 (A) is a plan view showing the mounting bracket in a developed state, and FIG. 2 (B) is a vertical 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 step of the ceiling material mounting device.

FIG. 5 is a vertical cross-sectional view showing a suspended state of a ceiling material by a conventional ceiling material attaching 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]

1 mounting bracket 2 Hanging bolts for suspending ceiling materials 3 screw holes 4 Central horizontal plate 5 Standing plate 6 Engagement plate 7 Hanging bolt insertion opening 8 Bend 9 small holes 10 Bend 11 small holes 12 Reinforcing ribs 15 deck plate 15b Engagement recess

Claims (5)

(57) [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 metal fitting and a hanging bolt for suspending the ceiling material, the mounting metal fitting comprising: A central horizontal plate portion having a screw hole, a rising plate portion extending from both left and right end portions of the central horizontal plate portion and bendable in opposite directions, and a left and right portion from the upper end portion of the rising plate portion. A laterally long engaging plate portion that is bendable with respect to the rising plate portion and extends diagonally downward to both sides,
Each rising plate part and each engagement plate part is provided with a suspension bolt insertion opening that opens across both of them, and the suspension bolt is screwed into the screw hole of the mounting bracket and inserted into the suspension bolt insertion opening. The tip of the central plate is brought into contact with the deck plate, the engaging plate portions of the mounting bracket are engaged with the engaging concave fitting portions of the deck plate, and the hanging bolt is further screwed into the central horizontal plate portion. Is lowered by a screw action, whereby the upper plate portion bends in the opposite direction and the opposite ends of both engaging plate portions come into contact with each other, and the engaging plate portions are bulged to each other and the deck plate engaging concave fitting is made. Ceiling material mounting device adapted to be strongly engaged with the section. 2. The ceiling material mounting device according to claim 1, wherein the opposite ends of the engaging plate portion are formed in a flat shape so as to make surface contact 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 provided in a bent portion between the central horizontal plate portion and each rising plate portion. 4. A small hole for accelerating bending is penetratingly provided in a bent portion between each rising plate portion and each engaging plate portion.
The ceiling material mounting device according to any one of 3 above. 5. The ceiling material mounting device according to claim 1, wherein a reinforcing rib is provided on each of the engaging plate portions.