JPH057389A - Speaker mounting method and device - Google Patents

Abstract

(57) [Summary] [Purpose] To be able to perform all plate and speaker installation work from the front side of the wall surface. [Structure] A deformable plate for mounting a speaker is prepared, the plate is deformed into a shape and size that can be inserted through an opening provided on a wall surface, and the plate is carried through the opening to the back side of the opening, and then the plate After returning to the original shape, the speaker attached to the front side of the opening is arranged, and the speaker is fixed to the wall surface using the plate.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a speaker mounting method and apparatus thereof, and more particularly to a speaker mounting method and apparatus thereof capable of improving workability.

[0002]

2. Description of the Related Art Generally, when attaching a thin speaker to a ceiling wall surface or a side wall surface,
An opening for mounting the speaker is provided, and a speaker mounting plate is fixed on the back side of this opening, while a thin speaker is placed on the front side of the opening, and this speaker is mounted on the plate. It is connected and fixed using a screw member or the like, and is attached so that the wall surface is sandwiched between the plate and the speaker.

By the way, since it is necessary to sandwich the wall surface between the speaker and the speaker, the plate is naturally formed to be larger than the opening of the wall surface. Therefore, conventionally, a worker wraps around the back surface of the wall surface. Therefore, the method of fixing the plate is adopted.

[0004]

In the above-described conventional speaker mounting method, it is necessary for an operator to go around to the back side of the wall surface and mount the plate, which is not easy and the rear side surface like the side wall surface is not easy to work. If you can not sneak in to the back, you have to fix the plate in advance at the stage of the continuous connection to the back side, not only the speaker installation work is not easy, it also interferes with other work. There is a risk of coming.

The present invention has been made in consideration of such a point, and the mounting work of the plate and the speaker is performed as follows.
An object of the present invention is to provide a speaker mounting method and a speaker mounting method that can be performed from the front side of a wall surface.

[0006]

As a means for achieving the above-mentioned object, the speaker mounting method according to the present invention is such that a speaker mounting plate is deformably formed, and the plate is provided with an opening provided on a wall surface. It is characterized in that it is carried in from the front side of the wall surface to the back side of the opening and fixed, and then a thin speaker is arranged on the front side of the opening and connected and fixed to the plate.

The speaker mounting device according to the present invention is
As means for achieving the above object, a speaker mounting plate fixed to the back side of the opening provided in the wall surface, and a thin speaker arranged on the front side of the opening and connected and fixed to the plate are provided. The plate is formed so as to be deformable so that it can be carried into the back side through the opening.

[0008]

In the speaker mounting method according to the present invention, since the speaker mounting plate is formed so as to be deformable by a dividing structure, a foldable structure, an elastic deformation, or the like, it can be divided or folded. Alternatively, by elastically deforming it, it becomes possible to carry it into the back side through the opening in the wall surface. After loading, the plate can be returned to its original state by reassembling the divided ones, expanding the folded ones, or elastically returning, and the opening can be arranged on the back side. . After arranging the plate, the thin speaker is arranged on the front side of the opening and connected and fixed to the plate, whereby the mounting work of the plate and the speaker can be performed from the front side of the wall surface.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows a speaker mounting apparatus according to a first embodiment of the present invention. In the figure, reference numeral 1 is an opening for mounting a speaker formed in a ceiling wall surface 2.
A speaker mounting plate 3 is attached to the opening 1 from the rear side thereof, and a back box 4 and a thin speaker 5 are sequentially mounted from the front side thereof, and the outer edge of the opening 1 is connected to the plate 3 via the back box 4. And the thin speaker 5 are sandwiched between the thin speaker 5 and
Can be installed.

As shown in FIGS. 1 to 3, the plate 3 is a ring plate-shaped collar portion 3a placed on the outer peripheral edge of the opening 1 on the back side, and hangs down from the inner peripheral edge of the collar portion 3a. Opening 1
And a fixed ring portion 3b to be inserted into the.
The fixing ring portion 3b is cut at two locations facing each other in the radial direction, and the portion of the collar portion 3a corresponding to each of these cut portions is thinned to form a bent portion 6. As shown in FIG. 3, the plate 3 can be folded in two via the bent portion 6. As a result, the plate 3 can be deformed into a shape and size that allows the plate 3 to be carried into the rear surface side through the opening 1.

The inner peripheral surface of the fixed ring portion 3b has a circumferential direction 4
Female screw bosses 7 are integrally provided at equal intervals, and the female screw bosses 7 are respectively screwed with mounting screws 8 from a thin speaker to be described later.

Further, 4 are provided between the adjacent female screw bosses 7.
Each nail hole 9 is provided, and each of these nail holes 9 is provided.
A nail 11 penetrating a nail hole 10 of a back box 4 described later is inserted into the plate 11, and the plate 3 is fixed to the inner peripheral surface of the opening 1 together with the back box 4.

The back box 4, as shown in FIG.
The lower end opening is formed in a hat shape having an outer flange portion 4a that abuts the outer peripheral edge of the opening 1 on the front surface side. Longitudinal grooves 12 into which the respective female screw bosses 7 are fitted when the back box 4 is inserted into the opening 1 are provided at four locations on the outer peripheral surface thereof. Further, four nail holes 10 are provided at positions corresponding to the nail holes 9 of the plate 3. Then, the plate 3 and the back box 4 are simultaneously fixed to the inner peripheral surface of the opening 1 by the four nails 11 inserted into the both nail holes 9 and 10.

As shown in FIG. 1, the back surface of the back box 4 is also provided with, for example, two holes 13 for pulling out speaker cords (not shown).

The thin speaker 5 has an outer peripheral edge at the lower end,
The back box 4 has a mounting flange 5a having a larger diameter than the outer flange portion 4a.
Is provided with four screw insertion holes 14 corresponding to the female screw boss 7 and the vertical groove 12, respectively. The thin speaker 5 is screwed into the female screw boss 7 through the insertion holes 14 and the vertical grooves 4
By tightening the screws 8 of the book, the thin speaker 5 is attached to the opening 1 so that the ceiling wall surface 2 is sandwiched between the plate 3 and the thin speaker 5.

Next, the operation of this embodiment will be described.

When mounting the thin speaker 5, the plate 3 in the developed state shown in FIG.
As shown in FIG. 2, the plate 3 is folded in two through the bending portion 6, and in this state, the plate 3 is carried in from the front side of the ceiling wall surface 2 through the opening 1 to the back side thereof. Then, after being carried in, it is returned to the unfolded state shown in FIG. 2 and mounted on the back side of the opening 1.
In this state, the plate 3 is not fixed to the ceiling wall surface 2, but only placed on the back side of the opening 1.

Next, the back box 4 is attached to the ceiling wall surface 2.
Is inserted into the opening 1 from the front side thereof, and the outer flange portion 4a at the lower end thereof is brought into contact with the front side of the ceiling wall surface 1. At this time, since the back box 4 is provided with the vertical groove 12, by inserting the back box 4 into the opening 1, the female screw bosses 7 of the plate 3 are fitted into the vertical grooves 12, respectively.
Even if the female screw boss 7 projects to the inner peripheral side of the fixing ring portion 3b, the back box 4 can be inserted into the opening 1 without any trouble. Further, by fitting the female screw boss 7 into the vertical groove 12, positioning of the plate 3 and the back box 4 around the axis is performed, and in a state where the outer flange portion 4a is brought into contact with the front surface side of the ceiling wall surface 2, The nail holes 9 and 10 can be perfectly aligned. Then, both nail holes 9,1
Through 0, four nails 11 are struck on the inner peripheral surface of the opening 1. As a result, the plate 3 and the back box 4 are
At the same time, it is fixed to the ceiling wall surface 2.

If the plate 3 may move due to contact with the back box 4 when the back box 4 is inserted into the opening 1, for example, one or two flange portions 3a of the plate 3 may be used. You may make it temporarily fix to the back side of the ceiling wall surface 2 with the nail.

After the plate 3 and the back box 4 are fixed to the ceiling wall surface 2 in this manner, the thin speaker 5 is attached to the opening 1 from the front side of the ceiling wall surface 2.
At this time, a speaker cord (not shown) is pulled out to the rear side of the ceiling wall surface 2 through the hole 13 or a cord routed to the rear side of the ceiling wall surface 2 fixes the back box 4 to the ceiling wall surface 2. First, the cord is previously drawn into the back box 4 through the hole 13 and the cord and the thin speaker 5 are connected. And then four screws 8
Are respectively screwed into the female screw boss 7 through the screw insertion hole 14 and the vertical groove 12 and fixed by tightening. As a result, the thin speaker 5 is attached to the opening 1 with the ceiling wall surface 2 sandwiched together with the plate 3.

Since the plate 3 can be folded in two in such a manner that it can be carried in from the opening 1, all the mounting work of the plate 3, the back box 4 and the thin speaker 5 to the opening 1 portion is performed on the ceiling. This can be done from the front side of the wall surface 2, and the installation work efficiency can be greatly improved.

The back box 4 is provided to completely cover the back side of the thin speaker 5 and to block the front side and the back side of the ceiling wall surface 2. this is,
From the viewpoint of disaster prevention, it is particularly required in the United States, and it plays a role of preventing smoke and toxic gas filled in the ceiling from flowing into other rooms through the opening 1. Therefore, the back box 4 can be omitted in the case where such a protection measure is applied to the ceiling.

FIGS. 4 to 6 show a second embodiment of the present invention, in which a plate 23 and a back box 24 are used instead of the plate 3 and the back box 4 in the first embodiment. is there.

That is, the plate 23 is a ring-plate-shaped collar portion 23a placed on the outer peripheral edge of the opening 1 on the back side, and a fixing ring that is hung from the inner peripheral edge of the collar portion 23a and inserted into the opening 1. And part 23b. The fixing ring portion 23b is cut at two locations facing each other in the radial direction, and the portion of the collar 23a corresponding to each of these cut portions is thinned to form a bent portion 26. Then, as shown in FIG. 6, the plate 23 can be folded in two through the bent portion 26, whereby the plate 23 is opened.
The shape and size can be such that it can be carried into the back side through the through.

On the inner peripheral surface of the fixing ring portion 23b, female screw bosses 27 are integrally provided at four locations at equal intervals in the circumferential direction, and the thin speaker 5 is attached to each of these female screw bosses 27. The respective screws 8 for use are screwed.

Further, between the adjacent female screw bosses 27,
The plate 2 is provided with four nail holes 29, respectively.
3 is fixed to the back side of the opening 1 by four nails 31 which are inserted into the nail holes 29 and are driven on the inner peripheral surface of the opening 1.

Further, four twist lock pins 32 are provided on the upper surface of the collar portion 3a, and the back box 24, which will be described later, has these twist lock pins 3 respectively.
It is adapted to be attached to the back surface side of the plate 23 via 2.

That is, as shown in FIG. 4, the back box 24 is formed in a hat shape having an outer flange portion 24a placed on the plate 23 at the lower end opening. Holes 33 for passing speaker cords (not shown) are provided at, for example, two positions on the peripheral surface, and the outer flange portion 24a is provided with four holes corresponding to the twist lock pins 32.
Individual twist lock holes 34 are provided. And
The back box 24 has the outer flange portion 24a in a state in which each twist lock pin 32 is passed through the twist lock hole 34.
Is placed on the plate 23, and the back box 24 is rotated by a required amount in that state, so that the twist lock pin 32 is locked in the twist lock hole 34 so that the back box 24 is fixed. There is.

The other points are the same as those of the first embodiment.

Next, the operation of this embodiment will be described.

When mounting the thin speaker 5, first, the plate 23 in the expanded state shown in FIG. 5 is folded in two through the bending portion 26 as shown in FIG. 6, and in this state, The plate 23 is carried in from the front side of the ceiling wall surface 2 through the opening 1 to the back side thereof. Then, after being carried in, it is returned to the expanded state shown in FIG. 5, mounted on the back side of the opening 1, and fixed to the inner peripheral surface of the opening 1 using the nails 31.

Next, the back box 24 is mounted on the back side of the fixed plate 23. Since this back box 24 cannot be carried in to the back side through the opening 1, it is carried in to the back side of the ceiling wall surface 2 from another place and fixed to the plate 23 by the work on the back side as in the conventional case. Come to do.

Next, the thin speaker 5 is arranged on the front side of the opening 1, and the four screws 8 are screwed into the female screw boss 27 through the screw insertion holes 14. As a result, the thin speaker 5 is attached to the opening 1 while the ceiling wall surface 2 is sandwiched by the plate 23.

As described above, since the back box 24 must be fixed by the work on the back side of the ceiling wall surface 2, the work efficiency is slightly lower than in the case of the first embodiment, but a commercially available back box is used. Since it can be used as it is, it is inexpensive. Moreover, since the plate 23 can be attached only by the work from the front side of the ceiling wall surface 2, the work efficiency can be greatly improved as compared with the conventional one.

7 to 9 show a third embodiment of the present invention, in which a plate 43 is used instead of the plate 3 in the first embodiment.

That is, the plate 43 has the opening 1
The ring-shaped flange 43a is mounted on the outer peripheral edge of the back side (see FIG. 1), and the fixed ring portion 43b is hung from the inner peripheral edge of the flange portion 43a and inserted into the opening 1. There is. The fixing ring portion 43b is arranged to face the radial direction 2
The portions are cut, and the portions of the collar portion 43a corresponding to these cut portions are thinned to form the bent portions 46. Then, as shown in FIG. 8, the plate 43 can be folded in two through the bending portion 46, and thus the plate 43 can be carried into the rear surface side through the opening 1. It is like this.

The opening 1 is formed on the inner peripheral surface of the fixed ring portion 43b.
Four nail holes 49 through which nails 51 to be driven are inserted are provided on the inner peripheral surface (see FIG. 1), and the same as the twist lock pin 32 of the second embodiment is provided on the collar portion 43a. Four twist lock pins 52 having a function are provided.

As shown in FIG. 9, a hole 53 into which a U-nut 54 is mounted is provided at an intermediate position between adjacent twist lock pins 52. A screw 8 (see FIG. 1) for attaching the thin speaker 5 is screwed to each U nut 54 through a screw insertion hole (not shown) formed in the ceiling wall surface around the opening 1. ing.

The U nut 54, as shown in FIG.
It is formed by bending a flat plate material into a U shape, and a hole 54a is provided in a lower piece portion thereof, and a female screw 54b is provided in an upper piece portion thereof. And these are U
When the nut 54 is attached to the collar portion 43a, it matches the hole 53.

In other respects, the structure is the same as that of the second embodiment and the operation is the same.

Thus, in this embodiment, the screw 8
Although the screw insertion hole must be formed in the ceiling wall surface 2 in order to screw the U-shaped screw into the U-nut 54, the structure of the plate 43 can be simplified accordingly. Further, since the U nut 54 is used, sufficient screw tightening strength can be obtained without increasing the plate thickness of the collar portion 43a.

FIGS. 10 and 11 show a fourth embodiment of the present invention, in which the plate 63 having a two-divided structure is used instead of the plate 3 in the first embodiment.

That is, as shown in FIG. 10, the plate 63 includes a ring-plate-shaped collar portion 63a placed on the outer peripheral edge of the rear side of the opening 1 (see FIG. 1), and an inner portion of the collar portion 63a. Fixing ring portion 63 that hangs down from the peripheral edge and is inserted into the opening
b and a pair of split plates 63A, 6 in the shape of a half ring
3B. Both split plates 63A, 63
B is a locking projection 64 provided on one side, as shown in FIG.
Is snap-engaged with the locking recess 65 provided on the other side, so that they are integrally connected.

On the inner peripheral surface of each of the fixing ring portions 63b,
As shown in FIG. 10, two nail holes 69 having the same function as the needle holes 29 of the second embodiment are provided. Further, two twist lock pins 72 having the same function as the twist lock pin 32 of the second embodiment are provided on the upper surface of each of the collar portions 63a. Further, a total of four female screws 73 having the same function as the U nut 54 of the third embodiment are provided at the intermediate position between the adjacent twist lock pins 72.

In other respects, the structure is the same as that of the second embodiment and the operation is the same.

As described above, when the plate 63 having the two-divided structure is used, the plate 63 has such a shape that the plate 63 can be carried into the rear side through the opening 1 by being divided. Therefore, the same effect as each of the above-described embodiments can be expected. Further, since the female screws 73 are directly provided on the split plates 63A and 63B, it is necessary to make the plate thickness a little thicker, but unlike the third embodiment, the U nut 54 is not required, so that the number of parts can be reduced. Becomes

12 and 13 show the fifth embodiment of the present invention. Instead of the plate 63 of the fourth embodiment, a plate 83 in which a split plate 63A, 63B is connected by a hinge 84 is used. The other points are the same as those of the fourth embodiment.

As described above, even if the hinge 84 is used, the same effect as that of the plates 3, 23, 43 having the double-fold structure of the other embodiment can be obtained.

FIG. 14 shows a sixth embodiment of the present invention. Instead of the plates 3, 23, 43, 63, 83 having the two-fold structure or the two-division structure in each of the embodiments, a flexible material is used. The plate 93 to be formed is used. This plate 93 is elastically deformed by applying an external force with the hand H or the like, so that the opening 1 (see FIG. 1)
It can be carried in to the back side through.

Thus, the elastically deformable plate 93
The same effects as those of the above-mentioned respective embodiments can be expected by using.

FIG. 15 shows a seventh embodiment of the present invention. The plate 103 in this embodiment is a modification of the plate 3 shown in FIG. 2, in which a spring piece 104 attached in an arc shape is circumferentially attached to a fixing ring 103b formed by hanging down on a collar portion 103a. It is provided at equal intervals. This spring piece 104 is fixed ring portion 103
It is elastically displaceable in a radial direction from b to a radial inward direction and a radial outward direction. An uneven portion 104a is formed on the inner surface of the spring piece 104 in the radial direction. Spring piece 1
04 may be integrally formed with the fixed ring portion 103b, or may be a separate member.

Since the other construction is the same as that of the embodiment shown in FIG. 2, the same components are designated by the same reference numerals and the description thereof will be omitted.

According to this embodiment, the opening 1 in the ceiling wall surface 2
When the plate 103 is inserted into (see FIG. 1), the spring pieces 104 are deformed in advance so as to project inward in the radial direction as shown in FIG. In the opening 1, arcuate recesses (not shown) into which the spring pieces 104 elastically deform and enter are formed at equal intervals so as to correspond to the spring pieces 104.

After the fixing ring portion 103b is inserted into the opening 1, the spring piece 104 is positioned so as to face the concave portion (not shown), and then the spring piece 104 is pushed by a finger to elastically deform so as to project outward in the radial direction. Let The spring piece 104 enters and engages with the recess of the opening 1, and the spring piece 10
The concave-convex portion 104 a of No. 4 contacts the concave portion of the opening 1 of the ceiling wall surface 2.

As described above, according to the present embodiment, the spring piece 104 is engaged with the concave portion of the opening 1 due to the elastic deformation, so that the circumferential movement of the plate 103 is reliably stopped, and the ceiling wall surface of the plate 103 is stopped. Fixing to 2 becomes stronger.

16 to 19 show this spring piece 10.
4 is applied to the plates shown in FIGS. 6, 7, 8 and 10, respectively. Also in these embodiments, the spring pieces 104 can firmly fix the plate to the ceiling wall surface.

20 and 21 show application examples of the embodiment shown in FIG. 15, respectively.

20 and 21 show the spring piece 10.
Pins 105 are attached to each of the pins 4 in the radially outward direction. Further, in the embodiment shown in FIG. 21, each of the spring pieces 104 is provided with a triangular projecting piece 106 directed radially outward.

Pin 1 attached to spring piece 104
05 or the protruding piece 106 sticks into the opening 1 of the ceiling wall surface 2 when the spring piece 104 enters the elastically deformed concave portion, so that the plate 103 can be more firmly fixed.

[0061]

As described above, the speaker mounting method according to the present invention can be deformed by adopting a divided structure, a foldable structure or an elastically deformable structure as the speaker mounting plate. While being formed, this plate is fixed to the back side of the opening through the opening provided in the wall surface, and then a thin speaker is arranged on the front side of the opening to be connected and fixed to the plate. This allows you to perform all plate and speaker installation work from the front side of the wall,
Work efficiency can be significantly improved.

Further, the speaker mounting device according to the present invention includes a speaker mounting plate fixed to the back side of the opening provided on the wall surface, and a thin plate arranged on the front side of the opening and connected and fixed to the plate. A speaker, the plate is formed in a divided structure, a foldable structure, or an elastically deformable structure, and can be fixed to the back side of the plate through the opening. As a result, all the work of mounting the plate and the thin speaker can be performed from the front side of the wall surface, and the work efficiency can be greatly improved.

The present invention exerts a particularly excellent effect by being adopted as a method and apparatus for mounting a thin speaker which requires a back box to be mounted on the back surface side of the ceiling wall surface or the side wall surface.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a speaker mounting device according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing the structure of a plate.

FIG. 3 is a perspective view showing a state where the plate is folded in two.

FIG. 4 is an exploded perspective view of a speaker mounting device showing a second embodiment of the present invention.

FIG. 5 is a perspective view showing the structure of a plate.

FIG. 6 is a perspective view showing a state where the plate is folded in half.

FIG. 7 is a perspective view of a plate showing a third embodiment of the present invention.

FIG. 8 is a perspective view showing a state in which the plate is folded in half.

FIG. 9 is a detailed view of a U nut portion.

FIG. 10 is an exploded perspective view of a plate showing a fourth embodiment of the present invention.

11 is an enlarged view of a main part of FIG.

FIG. 12 is a perspective view of a plate showing a fifth embodiment of the present invention.

FIG. 13 is an enlarged view of a main part of FIG.

FIG. 14 is a perspective view of a plate showing a sixth embodiment of the present invention.

FIG. 15 is a perspective view showing a plate according to a seventh embodiment of the present invention.

16 is a perspective view showing an example in which a spring piece is attached to the embodiment shown in FIG.

17 is a perspective view showing an example in which a spring piece is attached to the embodiment shown in FIG.

18 is a perspective view showing an example in which a spring piece is attached to the embodiment shown in FIG.

19 is a perspective view showing an example in which a spring piece is attached to the embodiment shown in FIG.

20 is a perspective view showing an example in which a pin is attached to a spring piece in the embodiment shown in FIG.

FIG. 21 is a perspective view showing an example in which a protruding piece is attached to a spring piece in the embodiment shown in FIG.

[Explanation of symbols]

1 opening 2 ceiling wall 3,23,43,63,83,93 plate 4,24 back box 5 thin speakers 6,26,46 Bent section 7,27 Female thread boss 8 screws 11,31,51 nails 54 U nut 73 female screw 84 hinge

Claims (4)

[Claims] 1. A deformable plate for mounting a speaker is prepared, the plate is deformed into a shape capable of passing through an opening provided in a wall surface, and the plate is carried through the opening to the rear side of the opening. Then, the plate is returned to its original shape, a speaker mounted on the front side of the opening is arranged, and the speaker is fixed to a wall surface by using the plate. 2. A speaker mounting plate fixed to the back side of the opening provided in the wall surface, and a speaker arranged on the front side of the opening and connected and fixed to the plate, wherein the plate is deformable. The speaker mounting device is characterized in that the speaker mounting device can be carried into the rear side through the opening. 3. The speaker mounting device according to claim 2, wherein the speaker mounting plate has a ring-plate-shaped collar portion that comes into contact with the wall surface and a fixed ring portion that is inserted into the opening. 4. The speaker mounting device according to claim 3, wherein a spring piece that is elastically deformable in the radial direction is mounted on the fixed ring portion.