JP2001074303A - Mounting device for ceiling suspension apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simply and highly efficiently perform a work to mount a ceiling suspension apparatus such as an air supply chamber at a low cost. SOLUTION: One end side of a suspension body 2 having the other end mounted on a ceiling slab surface A is inserted through the suspension body insertion-hole of a lock tool 3 and folded back. The folded back part is mounted on an air supply chamber 1 and a folded back end is locked at the thumb screw 8 of the lock tool 3. By screwing a butterfly nut 9 in a thumb screw 8, the suspension body 2 is securely fastened in a bending state against the lock tool 3, and the chamber 1 is mounted such that height can be regulated between a position before construction of a ceiling substrate and a position after construction thereof.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for mounting an instrument hung on a ceiling such as an air blowing chamber or a duct for air conditioning.

[0002]

2. Description of the Related Art The prior art will be described by taking as an example a case where an air blowing chamber for air conditioning is installed on a ceiling.

[0003] The air blowing chamber is hung by an anchor driven into a concrete slab surface of a ceiling with hanging bolts, and is installed at an opening of a ceiling base (eg, gypsum board).

[0004] However, in the case of new construction, it is necessary to raise the chamber above the groundwork surface so as not to disturb the groundwork until the ceiling groundwork is constructed.

Therefore, conventionally, a short temporary fixing bolt is attached to the anchor, the chamber is hung with a wire or the like, and after the foundation is applied, the temporary fixing bolt is replaced with a regular hanging bolt, and the chamber is lowered to the substrate position and supported. And

[0006]

However, according to this construction method, the height of the chamber is adjusted by replacing the temporary fixing bolts and the suspension bolts and attaching / detaching the wire. In addition to the fact that the chamber becomes unsupported when bolts are replaced, it is necessary to support the entire weight of the chamber (in the case of a large chamber, multiple people are required for this), and the installation work of the chamber is extremely troublesome and inefficient. Had become.

The above problem can be solved by raising and lowering the chamber using an expensive mechanism such as a wire reel, but it is not suitable for practical use due to cost restrictions.

Accordingly, the present invention provides an apparatus for mounting a ceiling hanging device which can easily and efficiently mount a ceiling hanging device which needs to be adjusted in height as in the above-described air blowing chamber at low cost. Provide.

[0009]

According to the first aspect of the present invention, there is provided a flexible hanging body such as a wire, a string, or a chain, and a fastener, and the hanging body has a ceiling hanging device at one end. One of the fixture-side fixture attached to the ceiling and the ceiling-side fixture attached to the ceiling is provided, and the other end is folded back to provide the other fixture at the folded portion. A hanging body through hole to be inserted, and a fastening means for fastening and fixing / releasing the hanging body at a portion inserted into the hanging body through hole, wherein the folded end of the hanging body is fixed to the fastener, The length of the suspended body can be adjusted freely when the fastening means is released, and the length of the suspended body is fixed in the tightened and fixed state.

According to a second aspect of the present invention, in the configuration of the first aspect, a female screw body and a male screw body screwed into the female screw body are provided as fastening means for the fastener. A hole is provided, and the suspension is tightened and fixed by the tightening force of the two screw bodies.

According to a third aspect of the present invention, in the configuration of the first or second aspect, the tightened portion of the suspension body is bent by a tightening force in a state where the suspension body is fastened and fixed by the fastening means. is there.

According to a fourth aspect of the present invention, in the configuration of the third aspect, the fastener has an inclined surface that comes into contact with a bent portion of the suspension in a state where the suspension is fastened and fixed.

According to a fifth aspect of the present invention, in the configuration of the first to fourth aspects, as the fastening means for the fastener, a pushing member slidably provided on the outer periphery of the fastener in a direction orthogonal to the hanging body, It is provided with a spring for pressing the member against both side portions of the suspension body through hole in the suspension body to exert a tightening force.

According to a sixth aspect of the present invention, in the configuration of any one of the first to fifth aspects, both the one end side and the folded end side of the hanging body are inserted into the hanging body through holes of the fastener.

According to the above configuration, with the ceiling-side fixture attached to the ceiling (for example, an anchor driven into the ceiling slab surface) and the fixture-side fixture attached to the fixture, the hanging margin of the suspended body changes greatly. To adjust the length (adjust the height of the instrument), and to tighten and fix the tightening means.
By the release operation, the appliance can be easily and efficiently mounted in a state where the height can be adjusted between, for example, a position before the ceiling basement construction and a position after the ceiling basement construction.

Moreover, since the structure is such that the suspension such as a wire is simply fastened to the fastener, the structure is simple and the cost is low.

According to the third and fourth aspects of the present invention, since the suspended portion of the suspension is fastened in a bent state, the fixing force is strong and the fixed state is reliable and stable. Therefore, there is no possibility that the suspension body may unexpectedly slip down.

In addition, according to the structure of the fourth aspect, since the fastener has the inclined surface that comes into contact with the bent portion of the suspension, the contact state between the suspension and the fastener, that is, the fastening of the suspension is fixed. The state becomes more stable.

On the other hand, according to the configuration of claim 5, the pressing member is pressed against the suspension body by the spring force and the tightening force is automatically applied, so that the mounting operation is further simplified. In particular, in combination with the configuration of claim 2, if a configuration is adopted in which the component is temporarily fixed by a pressing member and fully fixed by the tightening force of the male and female screws,
Work becomes much easier.

According to the configuration of claim 6, not only one end of the suspension but also the folded end is passed through the suspension through hole of the fastener, and the double insertion portion is fastened and fixed by the fastening means. Therefore, the fastening and fixing operation is performed more reliably. Further, even if the fastening portion of the folded end to the fastener is released, the folded end is fixed to the fastener by the fastening portion, so that there is no possibility that the support function of the device is lost.

[0021]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described with reference to the drawings.

First Embodiment (See FIGS. 1 to 4) Here, an air blowing chamber is taken as an example of a ceiling hanging device in accordance with the description of the prior art.

FIG. 1 shows a state in which the chamber 1 is temporarily suspended above the surface on which the base slab A is to be laid below the ceiling slab A (hereinafter referred to as a "temporarily suspended state"), and FIG. Later, the chamber 1 is lowered to a predetermined position (a position where the air outlet faces the room through the chamber opening C of the base B) (hereinafter referred to as a full suspension state).
Are respectively shown. In both figures, D is an air duct.

The apparatus for mounting a ceiling hanging device according to this embodiment includes a hanging body 2 made of a wire and a fastener 3.

A ceiling-side mounting bolt (ceiling-side mounting tool) 4 is mounted on one end of the suspension 2, and the ceiling-side mounting bolt 4
Are screwed and fixed to the anchor 5 driven into the ceiling slab A.

The anchor 5 may be buried when the ceiling slab A is driven into concrete, or may be driven into the ceiling slab A using a drill or the like after the ceiling is laid.

The other end of the suspension 2 is folded back, and an instrument-side mounting bolt (instrument-side fixture) 6 attached to the folded portion 2 a is fixed to the chamber 1 with a nut 7.

Details of the fastener 3 are shown in FIGS.

Reference numeral 8 denotes a wing screw (male screw body), and 9 denotes a wing nut (female screw body) screwed to the wing screw 8, which forms the fastener 3 and the screw-type fastening means. You.

A suspension body through hole 10 is provided in the thumb screw 8 at an intermediate portion in the axial direction so as to penetrate in the radial direction, and the suspension body 2 is double-folded in the suspension body through hole 10 including the folded end side. A threaded end 2 b (not shown, to which an end sleeve is fixed) 2 b is fixed to the head 8 a of the thumb screw 8.

In this apparatus, the ceiling-side mounting bolt 4 is mounted on the ceiling slab A and the fixture-side mounting bolt 6 is mounted on the chamber 1 as described above.
Is suspended, and in this state, the suspension body 2 is adjusted in length so that the allowance L of the suspension body 2 changes in magnitude, whereby two states, a temporary suspension state and a full suspension state, can be obtained.

That is, the suspension 2 is reduced as shown in FIG. 1 when the suspension is temporarily suspended, and the suspension 2 is extended as shown in FIG. 2 when the suspension is fully suspended. As shown in FIG. 4, the wing nut 9 of the fastener 3 is tightened.

In this manner, both side portions of the suspension through hole 10 of the suspension 2 are pushed by the wing nut 9 and bent, and are fixed to the fastener 3 by frictional resistance of the bent portion. As a result, the length of the suspension 2 is fixed so that it cannot be expanded or contracted.
The chamber 1 is fixed to the temporary suspension state of FIG. 1 and the permanent suspension state of FIG. 2, respectively.

Here, as shown in FIGS.
At the opening edges on both sides of the suspension through hole 10 and at the entire periphery of the opening edge on the tip side of the wing nut 9.
Slopes 11 and 12 are provided corresponding to the bent portions of the suspension body.
Press into 1

According to this apparatus, as described above, the suspension 2
Since the height of the chamber 1 can be adjusted only by adjusting the length, the replacement and attachment / detachment work of parts (bolts, wires) conventionally required are unnecessary.

Also, (a) the fixing and release of the suspension 2 is performed by tightening the wing nut 9
It can be easily and quickly performed only by the tightening operation.

(B) When shifting from the temporarily suspended state in FIG. 1 to the fully suspended state in FIG. 2, the wing nut 9 is appropriately loosened (temporarily tightened) while supporting the chamber weight with the fastener 3 to some extent. After lowering the chamber 1 by its own weight, the chamber 1 can be permanently fixed by final fastening.

Thus, the mounting work of the chamber 1 including the height adjustment can be easily and efficiently performed with a minimum number of hands.

In addition, since the suspension 2 is simply fastened and fixed to the fastener 3, the structure is simple and the cost is low.

Further, the hanging portion of the suspension 2 is fastened in a bent state. The bent portion of the suspension 2 is connected to the thumb screw 8 and the wing nut 9.
By pressing against the inclined surfaces 11 and 12, the fixing force is strong and the fixing state is reliable and stable. Therefore, there is no possibility that the suspension body 2 (chamber 1) may slip down unexpectedly, and the tightening force of the screw body for temporary fixing can be reduced. For this reason, the labor burden of the worker can be further reduced.

Second Embodiment (See FIGS. 5 and 6) In the following second and third embodiments, only differences from the first embodiment will be described.

13 is a threaded cylinder with a head as a female screw body, 14
Is a thumb screw as a male screw body, which constitutes a fastener 15 provided with a screw type fastening means.

In a state in which a suspension body through hole 16 is provided in the screw cylinder 13 of the fastener 15 in the radial direction, and the suspension body 2 is passed through the suspension body through hole 16 doubly as in the first embodiment. When the thumb screw 14 is screwed in, the suspension 2 is fastened and fixed to the fastener 15 in a bent state.

Further, the suspension body through hole 16 in the screw cylinder 13
The inclined surfaces 17 and 18 which are in contact with the bent portions of the hanging body 2 are provided at the edges of the opening on both sides and the tip of the thumb screw 14.

According to the configuration of the second embodiment, basically the same operation and effect as those of the first embodiment can be obtained.

Third Embodiment (Refer to FIGS. 7 and 8) The fastener 19 of the third embodiment is a screw cylinder 2 as a female screw body.
0, a thumbscrew 21 as a male screw body, a push plate (push member) 22 which is slidably fitted in the outer periphery of the screw tube 20 in the axial direction, and presses the push plate 22 toward the tip end of the screw tube. And a coil spring 23 provided between the screw head 20a and the push plate 21 as described above.
2 and a second tightening means by the coil spring 23.

The suspension 2 is passed through a suspension through-hole 23 provided in the screw cylinder 20 (here, a single case is shown, but it may be double-passed). The screw is pushed toward the tip end of the screw cylinder by a second tightening means formed by the pressing plate 23 and the pressing plate 22, and is tightened and fixed in a bent state.

Depending on the relationship between the weight of the chamber and the spring force of the coil spring 23, the suspension 2 can be fixed inextensibly by only the first tightening means. However, when the chamber weight is heavy, or more secure fixing is expected. For this purpose, it is desirable to further tighten the thumbscrew 21 to enhance the fixing force.

In a state where the chamber is temporarily fixed by the second fastening means, the chamber is supported with one hand, the coil spring 23 is contracted with one hand to adjust the spring force, and the chamber is moved from the temporary suspension position in FIG. Then, by taking the procedure of tightening the thumbscrews 21 and permanently fixing after lowering to the main hanging position, the height adjustment of the chamber can be performed more quickly and easily.

It should be noted that also in the third embodiment, the first
It is needless to say that an inclined surface in contact with the bent portion of the hanging body 2 may be provided as in the two embodiments.

Other Embodiments (1) In each of the above embodiments, a wire is used as the flexible suspension 2, but a string or a chain may be used instead of the wire.

(2) It is desirable that the hanging body 2 be tightened and fixed in a bent state as in each of the above-described embodiments in order to strengthen the fixing force. You may take it.

(3) The present invention is not limited to the above-described air blowing chamber, but is widely applied to equipment that is hung from the ceiling and needs to be adjusted in height, such as an air duct for air conditioning and a lighting equipment embedded in the ceiling. can do.

[0054]

As described above, according to the present invention, with the ceiling-side fixture attached to the ceiling and the fixture-side fixture attached to the fixture, the suspension body is lengthened so that the amount of folding back can be changed. By adjusting the height (adjusting the height of the fixture) and tightening / releasing the fastening means, the height of the fixture can be adjusted, for example, between the position before the ceiling foundation and the position after the ceiling foundation. Can be mounted on

Therefore, it is not necessary to replace and remove parts (bolts, wires) conventionally required.

The height of the device can be adjusted only by adjusting the length of the suspension.

At the time of this height adjustment, the weight of the instrument can be supported to some extent by setting the fastening means of the fastener to a temporary fastening state, and the instrument can be fully fixed only by fully fastening the fastening means.

[0058] For this reason, the mounting work of the instrument including the height adjustment can be performed easily and efficiently with a minimum number of humans.

Moreover, since the structure is such that the suspension such as a wire is simply fastened to the fastener, the structure is simple and the cost is low.

According to the third and fourth aspects of the present invention, since the suspended portion of the suspension is fastened in a bent state, the fixing force is strong, and the fixed state is reliable and stable. Therefore, there is no possibility that the suspension body may unexpectedly slip down.

In addition, according to the fourth aspect of the present invention, since the fastener has the inclined surface that comes into contact with the bent portion of the suspension, the contact state between the suspension and the fastener, ie, the fastening of the suspension, is fixed. The state becomes more stable.

On the other hand, according to the fifth aspect of the present invention, since the pressing member is pressed against the suspension body by the spring force and the tightening force is automatically applied, the mounting operation is further simplified. In particular, in combination with the configuration of claim 2, if a configuration is adopted in which the component is temporarily fixed by a pressing member and fully fixed by the tightening force of the male and female screws,
Work becomes much easier.

According to the sixth aspect of the present invention, not only one end of the hanging body but also the folded end is passed through the hanging body through hole of the fastener, and the double insertion portion is fastened and fixed by the fastening means. Therefore, the fastening and fixing operation is performed more reliably. Further, even if the fastening portion of the folded end to the fastener is released, the folded end is fixed to the fastener by the fastening portion, so that there is no possibility that the support function of the device is lost.

[Brief description of the drawings]

FIG. 1 is an overall front view of an apparatus for mounting a ceiling hanging device according to a first embodiment of the present invention.

FIG. 2 is a front view of a state in which the hanging body is extended from the state of FIG. 1 and the device is lowered.

FIG. 3 is an enlarged cross-sectional view of a part of the device according to the first embodiment before a suspension is fixed.

FIG. 4 is a cross-sectional view of a state where the suspension body is tightened and fixed from the state of FIG. 3;

FIG. 5 is a diagram corresponding to FIG. 3 of an apparatus according to a second embodiment of the present invention.

FIG. 6 is a diagram corresponding to FIG. 4 of the device.

FIG. 7 is a diagram corresponding to FIG. 3 of an apparatus according to a third embodiment of the present invention.

FIG. 8 is a diagram corresponding to FIG. 4 of the apparatus.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Air blow-off chamber (ceiling suspension apparatus) 2 Hanging body (wire) 3 Fastener 4 Ceiling-side fixture 6 Instrument-side fixture 8 Thumb screw as male screw body which constitutes a fastener and constitutes fastening means 9 Same Wing nut as female screw body 10 Hanging body through hole 11 Slope of wing screw 12 Slant surface of wing nut 15 Fastener 13 Screw tube as a female screw body constituting fastener and fastening means 14 Same male screw body 16 Hanging body through hole 17 Slant surface of screw cylinder 18 Slant surface of wing screw 19 Fastener 20 Screw tube as female screw body constituting fastener and fastening means 21 Thumb screw as same male screw body 22 Push plate (Push member) 23 Coil spring 24 Suspension body through hole

Claims (6)

[Claims] 1. A hanging body having flexibility, such as a wire, a string, or a chain, and a fastener, and the hanging body is attached at one end to a fixture-side fixture attached to a ceiling hanging instrument and to a ceiling. One of the ceiling-side mounting fixtures provided is provided, and the other end side is folded back, and the other fitting is provided at the folded portion. The fastener includes a hanging body through hole through which the hanging body is inserted, and a hanging body Is provided at the insertion portion of the hanging body through hole, and the folded end of the hanging body is fastened to the fastener so that the length of the hanging body is released when the fastening means is released. Wherein the length of the suspended body is fixed in the tightened and fixed state, and the length of the suspended body is fixed. 2. The mounting device for a ceiling hanging device according to claim 1, further comprising: a female screw body and a male screw body screwed into said female screw body as fastening means for the fastener, wherein said hanging means is attached to one of said male and female screw bodies. A mounting device for a ceiling hanging device, wherein a through hole is provided, and a hanging body is configured to be fastened and fixed by a tightening force of both screw bodies. 3. The ceiling hanging device according to claim 1, wherein a portion to be clamped of the suspension is bent by a clamping force in a state in which the suspension is fastened and fixed by the fastening means. Mounting device. 4. The mounting device for a ceiling hanging device according to claim 3, wherein the fastener has an inclined surface which comes into contact with a bent portion of the suspension in a state where the suspension is fastened and fixed. Mounting device for ceiling hanging equipment. 5. The mounting device for a ceiling hanging device according to claim 1, wherein the fastening means for the fastener is slidably provided on an outer periphery of the fastener in a direction orthogonal to the hanging body. An installation device for a ceiling hanging device, comprising: a pressing member; and a spring that presses the pressing member to both side portions of the hanging body through hole of the hanging body to exert a tightening force. 6. The installation of a ceiling hanging device according to claim 1, wherein both the one end side and the folded end side of the hanging body are inserted into the hanging body through holes of the fastener. apparatus.