JPH10267348A - Hanging metal-fitting for fan - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate the mounting work of a fan by making the remounting of the fan unnecessary even when the direction of installation of a fan main body is changed, in a hanging fitting, in which the fan main body is attached to a hanging bolt. SOLUTION: A hanging metal-fitting 18 for a fan is provided with a mounting piece 14, having a vertical fixing piece 12 with L-shape section and an engaging groove 13 engaged with a hanging bolt 11, while one end of a pair of tongue pieces 15, forming the engaging groove 13 of the mounting piece 14, is provided with an upward pawl 16 and the end of the other tongue piece 15 is provided with a downward pawl 17. According to this method, even when the fan main body, fixed to the hanging metal-fitting 18, is turned up-and-down, a lower side nut 22, provided on the hanging bolt 11, is engaged with the upward pawl 16, turned downward, whereby the remounting of the hanging metal-fitting 18 is not necessitated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hanging bracket for a blower used when a blower for exhausting contaminated air in a room to the outside of the room through a duct is hung above the ceiling.

[0002]

2. Description of the Related Art Heretofore, as shown in FIGS. Hereinafter, the configuration will be described with reference to FIGS.

As shown in the drawing, a suction duct connection port 103 to which a suction duct 102 communicating with a room 101 is connected.
A fan motor (not shown) provided on one side and provided with an exhaust side duct connection port 106 connected to an exhaust duct 105 communicating with the outdoor 104 on the other side, and a fan motor (not shown) provided inside on the lower surface Openable inspection lid 10 for inspection
7 and an electrical unit 108 to which a control unit and a power supply wire are connected to form a blower main body 109, and a hanging bolt 1 is installed so that the blower main body 109 can be suspended and installed above the ceiling 110.
11, a blower main body 109 has an inverted L-shaped cross section, has an engaging groove 112 for engaging with a hanging bolt 111, and has a hanging metal fitting 114 provided with a claw 113 facing downward at an end. Was.

The ceiling 115 has a blower body 109 mounted thereon.
The inspection port 116 is provided at a position below the.

[0005] In the above configuration, when the blower main body 109 is installed above the ceiling 110, the upper nut 117 is screwed into the hanging bolt 111, and the engaging groove 112 of the hanging metal fitting 114 provided in the blower main body 109 is connected to the hanging bolt 111. When the lower nut 118 is engaged with the suspension bolt 111, the lower nut 118 is engaged with the claw 1 provided on the suspension fitting 114.
13, the blower main body 109 is kept in a state where the hanging fitting 114 does not come off from the hanging bolt 111.
After that, the lower nut 118 and the upper nut 117 are moved so that the blower main body 109 is installed at a predetermined position, and the hanging metal 114 is sandwiched between the lower nut 118 and the upper nut 117 to move the blower main body 109. It was installed, and the suction duct 102 and the exhaust duct 105 were connected.

[0006]

In such a conventional hanging bracket for a blower, an inspection opening 116 provided in a ceiling 115 for checking the blower main body 109 is provided in the blower main body 10.
9, the inspection can be performed. However, the inspection port 116 is not provided below the blower main body 109 due to an object installed in the room 101, and the inspection port 116 is provided at a shifted position. In this case, if the space between the ceiling 115 and the blower main body 109 is too narrow to allow inspection of the blower main body 109, the blower main body is set so that the inspection lid 107 and the electrical unit 108 provided on the blower main body 109 are on the upper surface side. 109 was turned upside down.

[0007] However, since the suspending member 114 provided on the blower main body 109 is also turned upside down, the lower nut 118 cannot contact the claw 113 of the suspending member 114 and cannot be temporarily fixed by the lower nut 118. It was necessary to re-attach the hanging fitting 114 to the blower main body 109 so that the claw 113 provided on the 114 corresponded to the lower nut 118, and there was a problem that the attaching work was troublesome.

Further, since the blower main body 109 is installed to be shifted to the wall side, even when the blower main body is installed in a vertically long state, it is necessary to reattach the hanging bracket 114 so that the direction of the hanging fitting 114 is changed. There was a problem that it took time and effort.

Further, since the interval A between the suspension bolts 111 when the blower body 109 is installed horizontally and the interval A 'between the suspension bolts 111 when the blower body 109 is installed vertically are different, the suspension bolts 111 are arranged at a constant interval. There was a problem that it could not be installed.

The present invention solves such a conventional problem, and does not require re-installation even when the installation direction of the blower main body is changed, thereby facilitating the installation work.
It is another object of the present invention to provide a hanging metal fitting for a blower in which hanging bolts can be installed at fixed intervals even when the installation direction of the blower main body is changed.

[0011]

In order to achieve the above object, a hanging bracket for a blower according to the present invention has an engaging groove which has an inverted L-shaped cross section and engages with a hanging bolt suspended from the ceiling. The pair of tongues forming the engagement groove of the mounting piece has an upward nail at one end and a downward nail at the other end.

According to the present invention, there is provided a hanging bracket for a blower which does not need to be re-mounted even when the installation direction of the blower main body is changed, thereby facilitating the mounting operation.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention is directed to a vertical fixing piece having an inverted L-shaped cross section and fixed to a side portion of a blower main body, and an engaging groove for engaging with a suspension bolt suspended above the ceiling. A pair of tongues forming an engagement groove of the mounting piece, one end of which has an upward claw and the other end has a downward claw. In addition, even when the blower body is mounted upside down, the upward claw provided at the end of the tongue piece of the mounting piece is downward and has an effect of temporarily fixing.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0015]

【Example】

(Embodiment 1) As shown in FIG. 1 to FIG. 3, a suction side duct connection port 3 to which a suction duct 2 communicating with a room 1 is connected is provided on one side and communicates with an outdoor 4 on the other side. A horizontally long box-like shape provided with an exhaust-side duct connection port 6 to which the exhaust duct 5 is connected, and a lower-side openable inspection lid 7 for inspecting a fan motor (not shown) and the like provided inside. And an electrical unit 8 to which a control unit and a power cable are connected is provided, a blower main body 9 is formed, and a hanging bolt 11 is provided so that the blower main body 9 can be hung and installed on the ceiling back 10. A vertical fixing piece 12 fixed to the side of the blower main body 9 in an inverted L shape and an engaging groove 13 for engaging with the suspension bolt 11
Is provided at one end of a pair of tongue pieces 15 forming the engaging groove 13 of the mounting piece 14, and a downward claw 17 is provided at the other end. Is fixed.

An inspection port 20 is provided on the ceiling 19 below the blower body 9. In the above configuration, when the blower main body 9 is installed on the ceiling back 10, after the upper nut 21 is screwed into the hanging bolt 11, the engaging groove 13 of the hanging bracket 18 provided on the blower main body 9 is engaged with the hanging bolt 11. Then, when the lower nut 22 is screwed into the suspension bolt 11, the suspension fitting 18 is received by the lower nut 22, the lower nut 22 abuts on the downward claw 17 of the suspension fitting 18, and the suspension nut 18 is moved from the suspension bolt 11 to the suspension fitting 18. The blower main body 9 can be temporarily fixed in a state where the blower main body 9 does not come off, and then the lower nut 22 and the upper nut 21 are moved so that the blower main body 9 is installed at a predetermined height. The blower main body 9 is installed with the hanging bracket 18 interposed between the upper nuts 21, and the suction duct 2 and the exhaust duct 5 are connected.

In the case where the inspection port 20 provided on the ceiling 19 is not provided below the blower main body 9 but is provided at a shifted position, the inspection lid 7 and the inspection lid 7 provided on the blower main body 9 are provided. The blower main body 9 is turned upside down so that the electrical component 8 and the like are on the upper surface side, and the hanging bracket 11 is attached to the hanging bolt 11.
The blower main body 9 is attached via.

At this time, the hanging bracket 18 is turned upside down together with the blower main body 9, but the upward claw 16 provided on the hanging bracket 18 is turned downward to be in contact with the lower nut 22.
The blower main body 9 is temporarily fixed.

As described above, according to the blower hanger according to the first embodiment of the present invention, the upward claw 16 is provided at one of the ends of the pair of tongue pieces 15 forming the engagement groove 13 of the hanger 18. Since the downward claws 17 are formed on the other side, even if the blower main body 9 is turned upside down with the hanging hardware 18 fixed, the upward claws 16 are formed.
Is turned downward, and the lower nut 22 screwed to the suspension bolt 11 comes into contact, and the blower main body 9 can be temporarily fixed in a state where the suspension bracket 18 does not come off from the suspension bolt 11, and the suspension bracket It is not necessary to re-attach the 18 and the attaching work becomes easy.

(Embodiment 2) As shown in FIGS. 4 and 5, the mounting piece 14 is
And the direction is changed by 90 °, and a vertical attachment piece 23 which is also connected to the fixing piece 12 is provided.
1 is provided with an engaging groove 24 to be engaged and an inward claw 25 at an end to form a hanging bracket 18A.

In the above configuration, when the mounting piece 14 is fixed to the horizontally long blower main body 9 so as to be in a horizontal state, even if the blower main body 9 is turned upside down by the same operation as in the first embodiment, it is suspended from the hanging bolts 11. Temporary fixing can be performed without removing the metal fitting 18A.

When it is desired to install the blower body 9 near the wall 26 of the building, the blower body 9 needs to be installed in a vertically long state. At this time, the hanging bolt 11 is engaged with the engaging groove 24 provided in the vertical mounting piece 23 so that the vertical mounting piece 23 formed by changing the direction of the mounting piece 14 by 90 ° is used. The screwed lower nut 22 comes into contact with the inward claw 25 provided at the end of the vertical mounting piece 23, so that the hanging bracket 18 </ b> A can be temporarily fixed without coming off the hanging bolt 11.

As described above, according to the hanging metal fitting for the blower of the second embodiment of the present invention, the vertical mounting piece 23 having the engaging groove 24 of the hanging bolt 11 at a position where the direction is changed by 90 ° with respect to the mounting piece 14.
, And the inward claws 25 are provided on the vertical mounting pieces 23. Therefore, in any case where the blower main body 9 is installed in the horizontal or vertical state, the blower main body 9A is not detached from the hanging bolts 11 without removing the hanging metal fittings 18A. Can be temporarily fixed, and there is no need to re-attach the hanging bracket 18A, and the attaching operation is facilitated.

(Embodiment 3) As shown in FIGS. 6 to 8, hanging bolts 11 are provided at intervals B so that a box-shaped blower body 9 having a width larger than a vertical width can be hung horizontally. The length of the mounting piece 14A is increased and the depth of the engaging groove 13A is increased so that the hanging metal fitting 18B is formed so as to be able to engage with the hanging bolt 11 even when the blower main body 9 is in the vertically elongated state.

In the above configuration, when the blower main body 9 is installed in a horizontally long state, the vicinity of the deep portion of the engaging groove 13A formed in the mounting piece 14A is engaged with the hanging bolt 11, and is attached. When installed in the state, the vicinity of the entrance of the engagement groove 13A formed in the mounting piece 14A is provided with a space B 'which is the same as the space B of the suspension bolt 11 when the blower main body 9 is installed in the horizontally long state. It will be fitted and attached to the hanging bolt 11.

As described above, according to the blower hanger of the third embodiment of the present invention, the hanging bolts 11 provided at the same interval are provided regardless of whether the blower main body 9 is installed in the horizontal state or the vertical state. Since it can be used and installed, it is not necessary to change the installation interval of the suspension bolts 11 according to the installation state of the blower main body 9, and the suspension bolts 11 can be installed at regular intervals.

(Embodiment 4) As shown in FIG. 9 and FIG. 10, the engaging grooves 13B and 24A of the hanging hardware 18C provided opposite to the four surfaces of the blower main body 9 are provided opposite to one of the two surfaces. Engagement grooves 13B and 2 of the suspended hanging fitting 18C
4A, and a space C 'between the engaging grooves 13B and 24A of the suspending member 18C provided opposite to the other two surfaces.
Have the same dimensions and are related shapes.

In the above configuration, the interval between the suspension bolts (not shown) for attaching the blower main body 9 via the suspension fitting 18C is the same as the interval between the suspension bolts in any case where the blower main body 9 is installed in the horizontal or vertical state. Should be arranged at regular intervals.

As described above, according to the blower hanger of the fourth embodiment of the present invention, the engagement grooves 13B and 24A of the hanger 18C provided to face four surfaces of the blower main body 9 are provided to face each other. Since the distance between the engaging grooves 13B and 24A is the same size and the shapes are related to each other, the distance between the hanging bolts for attaching the blower body 9 can be made constant, and the blower body 9 can be easily set in the horizontal state or the vertical state. Can be installed.

[0030]

As is apparent from the above embodiments, according to the present invention, even when the blower main body is installed upside down, it is not necessary to remount the hanging bracket, and the mounting work for the blower becomes easy. Can be provided.

In addition, even when the blower main body is installed in a vertically long state, it is not necessary to remount the hanging metal fittings, and it is possible to provide a hanging metal fitting for the blower which can easily be mounted.

Further, in the case where the blower main body is installed in a horizontally long state or a vertically long state, it is possible to provide a hanging metal fitting for a blower which can be installed with a constant interval between hanging bolts.

Further, it is possible to provide a hanging metal fitting for a blower in which the blower body can be easily installed in either the horizontal state or the vertical state, and the hanging bolts can be installed at regular intervals.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state in which a hanging metal fitting for a blower according to a first embodiment of the present invention is attached to a hanging bolt.

FIG. 2 is a side view showing a horizontally installed state of the blower main body.

FIG. 3 is a perspective view of a hanging bracket for the blower.

FIG. 4 is a perspective view of a blower hanging bracket according to a second embodiment of the present invention.

FIG. 5A is a side view showing a vertically installed state of the blower main body, and FIG. 5B is an enlarged view of a hanging bracket in the vertically installed state of the blower main body.

FIG. 6 is a perspective view of a hanging bracket for a blower according to a third embodiment of the present invention.

FIG. 7 is a side view showing a horizontally installed state of the blower main body.

FIG. 8 is a side view showing a vertically installed state of the blower main body.

FIG. 9 is a perspective view of a blower hanging bracket according to a fourth embodiment of the present invention.

FIG. 10 is a side view showing a state where a hanging metal fitting for the blower is attached to the blower main body.

FIG. 11 is a side view showing a horizontally long state of a conventional blower main body.

FIG. 12 is a perspective view showing a state where the hanging metal fitting for the blower is attached to a hanging bolt.

FIG. 13 is a side view showing a state of hanging bolts when the blower main body is installed in a horizontally long state.

FIG. 14 is a side view showing a state of hanging bolts when the blower main body is installed in a vertically long state.

[Explanation of symbols]

 9 Blower body 10 Ceiling back 11 Suspension bolt 12 Fixing piece 13 Engagement groove 13A Engagement groove 13B Engagement groove 14 Mounting piece 14A Mounting piece 15 Tongue piece 16 Upward claw 17 Downward claw 18 Hanging fitting 18A Hanging fitting 18B Hanging fitting 18C Hanging bracket 23 Vertical mounting piece 24 Engagement groove 24A Engagement groove 25 Inward claw

Claims (4)

[Claims] 1. A horizontal fixing piece having an inverted L-shaped cross section and fixed to a side portion of a blower main body, and having an engaging groove for engaging with a suspension bolt suspended from above the ceiling. A hanging bracket for an air blower, comprising: a mounting piece; and a pair of tongue pieces forming an engagement groove of the mounting piece, each having an upward claw at one end and a downward claw at the other end. 2. A vertical vertical mounting piece which is turned by 90 ° with respect to the mounting piece and is also connected to a fixing piece on a side portion of the mounting piece having a downward claw, and a hanging bolt is attached to the vertical mounting piece. The hanging metal fitting for a blower according to claim 1, wherein an inward claw is provided at an engagement groove and an end of the fan. 3. A mounting piece for suspending the blower body even in a vertically long state on a suspension bolt provided at an interval capable of hanging a box-shaped blower body having a width dimension larger than the vertical width in a horizontally long state. The hanging bracket for a blower according to claim 1, wherein the length of the hanging bracket is long. 4. An engaging groove of a suspending member provided opposite to four surfaces of the blower main body so that the fan main body can be installed in a horizontally long state and a vertically long state. 4. The hanging metal fitting for a blower according to claim 1, wherein the distances are the same and the shapes are related to each other.