JP3195482B2 - Ceiling equipment mounting structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for mounting ceiling equipment such as a small air conditioner or a filter unit to a suspension bolt.

[0002]

2. Description of the Related Art Ceiling suspension devices such as small air conditioners and filter units are attached to suspension bolts hanging from a ceiling.

For example, as shown in FIGS. 5 and 6, four receiving portions 106 are arranged at four corners of a ceiling hanging device 104 corresponding to four hanging bolts 102, and the receiving portions 106 In each case, an insertion hole 108 is formed.

[0006] The ceiling suspension device 104 is lifted by a lifter (not shown) at the time of attachment (the rising direction is indicated by an arrow A).
). With this rise, the suspension bolt 102 is inserted from the lower end into the insertion hole 108 of the receiving portion 106. A nut 110 is screwed into the lower end of the suspension bolt 102 inserted through the insertion hole 108, and the receiving part 1 is attached to the nut 110.
06 is placed.

[0005]

The ceiling suspension device 1
04, the lower end of the suspension bolt 102
When the lower end of the suspension bolt 102 does not coincide with the insertion hole 108 when reaching the height position of the insertion hole 108 of 06,
It is necessary to align the lower end of the suspension bolt 102 with the insertion hole 108 so that the suspension bolt is inserted into the insertion hole 108.

[0006] This complicates the work of installing the ceiling-suspended device 104 and deteriorates the efficiency of the installation.

The present invention has been made in consideration of the above-described circumstances, and has as its object to provide a ceiling-suspended device mounting structure that facilitates installation of ceiling-mounted devices and improves mounting efficiency.

[0008]

Means for Solving the Problems] Suspension device mounting structure of the present invention according to claim 1, the suspension bracket device, a hanger rod hanging from the ceiling, corresponding to the hanger bolts provided on the suspension bracket device is, an insertion hole into which the suspension bolt is inserted, and a receiving portion to which the hanger bolts communication with the insertion hole and an opening which allows introduction into the insertion hole in the direction perpendicular to the axis, corresponding to the hanger bolts provided Te, screwed to the lower end of the hanging bolt is inserted through the insertion hole of the receiving portion, before
A nut whose serial receiving unit is mounted, provided corresponding to said hanger rod, the hanger bolts with interposed between the nut and the receiving portion is inserted from its lower end to form a convex portion Between the receiving portion and the nut
When the projection is pinched and engaged with the receiving portion, the
An engaging seat plate for closing an opening of the recording portion .

[0009]

According to the above construction, the ceiling suspension device is lifted by the lifter or the like, and the suspension bolt is inserted into the insertion hole of the receiving portion. A nut is screwed into a lower end portion of the suspension bolt inserted into the insertion hole, and a receiving portion is mounted on the nut to mount a ceiling suspension device.

In this case, even if the lower end of the suspension bolt does not align with the insertion hole of the receiving part, the suspension bolt separates from the insertion hole, and passes below the height position of the insertion hole, the suspension bolt remains at a right angle to the axis. In the direction from the opening of the receiving part into the insertion hole of the receiving part.

[0011] Between the receiving portion and the nut, hanger rod engagement seat plate which is inserted is sandwiched, in the sandwiched state, engagement seat plate to engage the receiving portion engagement seat plate Formed into
Since the raised projection closes the opening of the receiving portion, the suspension bolt is prevented from coming out of the opening of the receiving portion.

Therefore, when the lower end of the suspension bolt reaches the height position of the insertion hole of the receiving portion, there is no need to perform positioning for inserting the suspension bolt from this lower end into the insertion hole of the receiving portion.

Further, the engagement seat plate is maintained in a state of being sandwiched between the receiving portion and the nut by the weight of the ceiling suspension device, and the engagement of the engagement seat plate with the receiving portion is easily released. Without
The suspension bolt does not accidentally come out of the opening.

[0014] This makes it easy to mount the ceiling-suspended equipment and improves the mounting efficiency. Usually, ceiling equipment
Although it is suspended from the ceiling via a plurality of suspension bolts, if there are a plurality of suspension bolts, it is easily expected that the suspension bolts do not coincide with the insertion holes of the receiving portions, and a remarkable effect can be expected.

In particular, it is effective in the case where the installation of the ceiling suspension equipment is automatically performed by a lifter or a robot.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a mounting structure of a ceiling hanging device according to the present invention will be described below with reference to FIGS.

As shown in FIG. 2, a ceiling-mounted device 12 such as a small air conditioner or a filter unit is attached to a suspension bolt 16 hanging from a ceiling 14 and suspended from the ceiling.

As shown in FIG. 1, the ceiling hanging device 12 has a rectangular box shape, and four receiving portions 20 are arranged at four corners of the ceiling hanging device 12 corresponding to four hanging bolts 16. Is done. Each receiving portion 20 is formed in an L-shape with a vertical piece 22 and a horizontal piece 24. The vertical piece 22 is fixed to a lower portion of the side surface of the ceiling hanging device 12, and the horizontal piece 24 has a hanging bolt 16 inserted therethrough. And an opening 28 communicating with the insertion hole 26 and opening the insertion hole 26 at the tip of the horizontal piece 28.

As shown in FIG. 3, to install the Ceiling device 12 hanging bolt 16, a ceiling hanging device 12, remains in a horizontal state (state of suspending position), thus increasing the riff data (increase The direction is indicated by arrow A). As the lifter, for example, a two-stage scissors type hoist driven by a hydraulic cylinder is possible.

With the lifting of the ceiling suspension device 12, the suspension bolt 1
6 reaches the height position of the insertion hole 26 of the receiving part 20.
At this time, as shown in FIG. 4 (A), the lower end of the suspension bolt 16 comes out of the insertion hole 26 of the receiving portion 20, and the suspension bolt 1
6, the suspension bolt 16 is received in a direction perpendicular to the axis (indicated by an arrow B) when it is not inserted into the insertion hole 26 in the axial direction and passes outside the insertion hole 26 below the height position of the insertion hole 26. It is introduced into the insertion hole 26 of the receiving part 20 from the opening 28 of the part 20 (the state shown in FIG. 4B).

A nut 32 is screwed through a washer 30 to a lower end of the suspension bolt 16 inserted into the insertion hole 26.

At this time, the suspension bolt 16 is
4 are provided. The engagement seat plate 34 has a sandwiching portion 38 at the center thereof, which forms an insertion hole 36 through which the suspension bolt 16 is inserted from the lower end thereof.
0 is sandwiched between the horizontal piece 24 and the washer 30.
Both ends of the sandwiched portion 38 are bent to form a first engagement portion (convex portion) 40 facing the tip of the horizontal piece 24 and a second engagement portion 42 facing the vertical piece 22 of the receiving portion 20. Then, the engagement seat plate 34 has a U-shape, and engages with the receiving portion 20 in a state where the sandwiched portion 38 is sandwiched between the horizontal piece 24 of the receiving portion 20 and the washer 30. The engagement of the engagement seat plate 34 causes the first engagement portion 40 to
8, and the second engagement portion 42 prevents the engagement seat plate 34 from moving in the direction opposite to the arrow B direction. As a result, escape of the suspension bolt 16 from the opening 28 is prevented.

Thereafter, the ceiling suspension device 12 is mounted at a predetermined height while the nut 42 is tightened and the receiving portion 20 is placed on the nut 42 via the engagement seat plate 34.

As described above, the lower end of the suspension bolt 16 does not align with the insertion hole 26 of the receiving portion 20, that is, the axis of the lower end of the suspension bolt 16 does not coincide with the hole center of the insertion hole 26, and Even if the lower end of the bolt 16 comes off the insertion hole 26 and passes below the height position of the insertion hole 26,
The suspension bolt 16 is formed so that the opening 2 of the receiving portion 20 is perpendicular to the axis.
8 into the insertion hole 26 of the receiving part 20.

Therefore, the lower end of the suspension bolt 16 is
When the suspension bolt 16 reaches the height position of the insertion hole 26
It is not necessary to perform positioning for inserting the second through the insertion hole 26 from this lower end.

An engagement seat plate 34 into which the suspension bolt 16 is inserted is sandwiched between the horizontal piece 24 of the receiving portion 20 and the washer 30. In this sandwiched state, the engagement seat plate 34 is The engagement with the receiving portion 34 prevents the hanging bolt 16 from coming out of the opening 28 of the receiving portion 20. The engagement seat plate 34 is sandwiched between the horizontal piece 24 of the receiving portion 20 and the washer 30 by the weight of the ceiling suspension device 12, and the engagement of the engagement seat plate 34 with the receiving portion 20 is maintained. It is not easily released, and the suspension bolt 16 does not come out of the opening 28 carelessly.

As a result, the ceiling suspension device 12 can be easily mounted, and the mounting efficiency is improved.

Normally, the ceiling suspension device 12 is suspended from the ceiling via a plurality of suspension bolts 16, but if there are a plurality of suspension bolts 16, the suspension bolt 16 may not coincide with the insertion hole 26 of the receiving portion 20. It can be easily expected and a remarkable effect can be expected.

In particular, it is effective in the case where the mounting of the ceiling suspension device 12 is automatically performed by a lifter or a robot.

The present invention is not limited to the above embodiment, and various modifications are possible. For example, the number of suspension bolts 16,
The number of receiving portions 20 and the number of nuts 32 corresponding thereto are not limited to those in the above embodiment.
0, the shape of the insertion hole 26 and the shape of the engagement seat plate 34 are also arbitrary.

[0031]

As described above, in the ceiling hanging device mounting structure of the present invention, the mounting of the ceiling hanging device is facilitated, and the mounting efficiency is improved.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a mounting structure of a ceiling hanging device according to an embodiment of the present invention.

FIG. 2 is a front view showing a structure for mounting a ceiling hanging device according to the present embodiment.

FIG. 3 is a front view showing an attachment process by the ceiling suspension device attachment structure of the present embodiment.

FIG. 4 is a view corresponding to FIG. 3 showing a step subsequent to the step shown in FIG. 3;

FIG. 5 is a front view showing a conventional ceiling device mounting structure.

FIG. 6 is a perspective view showing a conventional ceiling-mounted device mounting structure.

[Explanation of symbols]

 12 Ceiling suspension equipment 14 Ceiling 16 Hanging bolt 20 Receiving part 26 Insertion hole 28 Opening 32 Nut 34 Engagement seat plate

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-49-7796 (JP, A) JP-A-62-201009 (JP, A) JP-A-5-135613 (JP, A) 154912 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) E04B 9/18 E04B 5/48

Claims (1)

(57) [Claims] 1. A and Suspension device, a hanger rod hanging from the ceiling, provided the Suspension device in response to the hanger rod, before
An insertion hole whose serial hanger rod is inserted, and a receiving portion to which the hanger bolts communication with the insertion hole and an opening which allows introduction into the insertion hole in the direction perpendicular to the axis, provided corresponding to said hanger rod are screwed to the lower end of the hanging bolt is inserted through the insertion hole of the receiving portion, wherein a nut receiving <br/> only part is placed, provided corresponding to said hanger rod, the hanger Bolt
Together they are sandwiched between the nut and the receiving portion is inserted from its lower end to form a convex portion, sandwiched between the nut and the receiving section
When the projection is engaged with the receiving portion,
A ceiling suspension device mounting structure, comprising: an engagement seat plate that closes an opening of a clasp.