JPH0430874Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a terminal board for a speaker box having hanging means for using the speaker box, which is a sealed acoustic box containing a speaker, as a wall-mounted speaker box.

(Prior art) A so-called speaker box is a system in which a speaker that converts electrical signals into acoustic vibrations is housed in a sealed acoustic box.
Connected to a public address system, high-speed amplifier, etc.
It is used by being attached to the wall. When this speaker box is attached to a wall, a shelf may be provided on the wall and the speaker box may be placed on the shelf, but in many cases it is simply hung from the wall.
To do this, either make a hole on the back of the speaker box, or attach the hanging hardware shown in Figure 3 to the back of the speaker box with nails or wood screws, and hang it on a nail or hook on the wall. A speaker box is hung.

(Problems to be Solved by the Invention) When attaching such a conventional speaker box to a wall, the method of providing a shelf on the wall requires time and effort to process and install the shelf. In addition, in order to hang the speaker box directly on a wall surface, in addition to the conventional speaker input terminal board 10 shown in FIG. 4 which is already installed, a hanging fitting 20 shown in FIG. It takes time to install.

If the speaker box is used as a wall-mounted type by simply drilling a hole in the back cover of the speaker box without using the hanging fitting 20, the acoustic airtightness of the speaker box, which requires a sealed box, will not be maintained.

Already published in Utility Model Application No. 50-90183 or
The idea of the support device disclosed in Publication No. 50-100533 is to simply wire the speaker box with a double wire to the electrode receiving terminal of the outlet part provided on the wall, etc., and then connect the knife edge provided in the outlet part. By attaching a connector portion having a molded insertion terminal, the speaker box can be attached and electrically connected at the same time, eliminating the need for parts such as the hanging fittings 20. However, in these cases, the electrode receiving terminal of the outlet must be fixed to the wall, etc., so in order to change the position after placing the speaker box at a predetermined position, it is necessary to New construction will be required to move the outlet that is fixed to the body, etc. Moreover, since all the physical load of the speaker box is applied to the outlet section via the connector section, there is a problem that the state of electrical connection at the outlet section becomes unstable.

This invention was made in view of the above points,
When installing the speaker box on a wall while maintaining its acoustic airtightness, all you need to do is fix the terminal board for connecting the speaker input to the back of the speaker box, and at the same time, it is possible to hang the speaker box on the wall. To provide a terminal board for a speaker box which has a hole and a hanging means that can be easily hung on a protrusion such as a nail or hook on a wall.

(Means for Solving the Problems) According to the present invention, there is provided a main body that is attached to a through hole formed in the sealed acoustic box so that at least the entire periphery thereof is in close contact with the outer surface of the sealed acoustic box housing the speaker; A terminal portion having an electric circuit that passes airtightly from the front side to the back side, has a terminal on the front side to which an external circuit can be freely connected, and has a terminal on the back side that connects to the electric circuit connected to the speaker. , a suspension hole formed in the main body near the terminal portion, and a hole having a shape corresponding to the suspension hole, and is attached to the hole from the other side of the main body. It is possible to provide a terminal board for a speaker box having a hanging means, characterized in that it includes a reinforcing metal fitting and a bottomed hole cover that is fixed to the hole from above the reinforcing metal fitting and closes the hole. .

(Function) In the speaker box terminal board having the hanging means of the present invention, the main body is provided with the terminal portion connected to the electrical circuit of the speaker, and the main body is further provided with a hole for hanging that can be engaged with a protrusion on a wall surface, etc. A reinforcing plate is attached to increase the strength of the hole, the hole is closed on the back side of the main body with a bottomed hole cover, and a reinforcing metal fitting is integrally fixed to the main body. There is.

(Example) Hereinafter, an example of the present invention will be described in detail with reference to the drawings.

FIG. 1 is an exploded perspective view showing an embodiment of a wall-mounted terminal plate for a speaker box according to the present invention. 1st
In the figure, 1 is the main body of a synthetic resin molded product that is attached to a through hole formed in the sealed acoustic box so that at least the entire periphery is in close contact with the outer surface of the sealed acoustic box housing the speaker, and the central upper part of the main body 1 is Suspension holes 1a that engage with protrusions on the wall are provided, and holes 1b for attaching to the speaker box are provided at the four corners. Further, the main body 1 has an electric circuit that penetrates airtightly from the front side to the back side, has a terminal on the front side to which an external circuit can be freely connected, and has a terminal on the back side that is connected to an electric circuit that connects to a speaker. A terminal portion A (corresponding to that shown in FIG. 4) having a terminal is provided. That is, this terminal part A is formed in the vicinity of the hole part 1a, and a hole 1c into which a connection wire from an output terminal of an amplifier or the like is inserted, presses the connection wire by the tension of an internal spring. It consists of a knob 1d for operating the contact portion, an internal terminal 1e connected to the speaker by a lead wire inside the speaker box, and has a function as a terminal board for the speaker box.

Next, reference numeral 2 denotes a reinforcing metal fitting made of a mild steel plate for reinforcing the strength of the suspension hole 1a provided in the main body 1 during suspension, and is attached to this hole from the other side of the main body 1. This reinforcing metal fitting 2 is provided with a hole 2a having a shape corresponding to the hole 1a of the main body 1, and a hole 2b similar to the upper mounting hole 1b to the speaker box is provided at a position where the reinforcing metal fitting 2 faces oppositely. There is. Furthermore, the hole 2c is a hole through which a synthetic resin protrusion 1f provided on the back surface of the main body 1 is passed, and in order to fix the hole cover, which will be described later, to the main body 1 together with the reinforcing metal fitting 2.
Weld the tip of the protrusion 1f to the hole cover. The hole cover 3 is a bottomed synthetic resin molded product that is fixed to the hole 1a from above the reinforcing metal fitting and closes the hole 1a, and is fitted into a suspension hole on the back side of the speaker box. This is for closing the hole 1a for wall hanging. In other words, this hole cover 2
has an oval recess 3a in its center, and is fixed to the main body 1 via reinforcing metal fittings 2 in order to prevent the speaker box from becoming non-sealed due to the suspension holes 1a and 2a described above. . Therefore,
The hole 3b on the periphery of the hole cover 3 is formed by the protrusion 1 of the main body 1.
This is the hole to which the tip of f is welded.

FIG. 2 is a longitudinal cross-sectional view of one embodiment of the wall-mounted terminal board for a speaker box according to the present invention. It's what I faced.

In the figure, the knob 1d has a spring 1h at the bottom.
The contact portion of the upper end of the knob 1d is always pressed against the other end of the upper internal terminal 1e. Also,
1g is a mounting base for mounting terminal boards and other electrical parts inside the speaker box.

Next, the operation of the embodiment having such a configuration will be explained based on FIG. When installing the wall-mounted terminal board for a speaker box of the present invention to a speaker box, first, a circular hole 4 corresponding to the outer shape of the hole cover 2 and a rectangular hole 5 corresponding to the terminal part A are made.
It is provided at the upper part of the back of the speaker box 6. Next, the terminal of the speaker inside the speaker box 6 and the internal terminal 1e of the main body 1 are connected with a conductive wire by soldering or the like. Next, the main body 1 is attached to the speaker box 6 using the mounting holes 1b using wood screws or the like.

When using the speaker, insert the connection wire of an electric line from an amplifier or the like into the hole 1c while pressing down on the knob 1d of the main body 1, and release the pressure on the knob 1d to connect the connection wire to the internal terminal. Other end of 1e and knob 1d
It is held between the upper connectors and electrically connected to the speaker via the internal terminal 1e.

Next, when suspending the speaker box 6 from the wall surface, the speaker box 6 can be easily hung from the wall surface by hanging the hole portion 1a of the main body 1 onto a nail or hook metal fitting provided at a predetermined position on the wall surface. can be suspended.

(Effects of the Invention) As explained above, the wall-mounted terminal board for a speaker box of the present invention is designed to be used for hanging on a wall separately from the terminal section connected to the input electric circuit on the back side of the speaker box, and on the same main body. Since the hole section is provided, the physical load of the speaker box will not make the electrical connection at the terminal section unstable.
Moreover, when installing the speaker box on the wall,
There is no need to provide separate mounting hardware, and it can be easily hung on a wall.

In addition, since the main body and the hole cover can be made of synthetic resin molded products, it is easy and inexpensive to make them. If the vicinity of the hole is reinforced by attaching reinforcing metal fittings, there will be less damage when hanging it on a wall.

Furthermore, the inside of the hole is covered with a hole cover, and the air inside is blocked along with the terminals of the electric circuit.Even in the case of a speaker box that requires a sealed box, acoustic airtightness is maintained and the purpose cannot be achieved. It will be done.

Furthermore, when installing the wall-mounted terminal board for speaker boxes of the present invention, it is only necessary to add one hole that corresponds to the outer shape of the hole cover, and it can easily engage with protrusions such as nails provided on the wall surface. It can be installed in a horizontal position, and the installation position can also be easily changed.

[Brief explanation of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a wall-mounted terminal plate for a speaker box according to the present invention, FIG. 2 is a longitudinal sectional view of this embodiment, and FIG. 3 is a perspective view of a conventional hanging metal fitting. Figure 4 is a perspective view of the speaker input terminal board.
FIG. 5 is an explanatory diagram of the installation of an embodiment of the wall-mounted terminal plate for a speaker box according to the present invention. A... terminal portion, 1... main body, 1a... hole for suspension, 1f... protrusion for fixing the hole cover, 2... reinforcing metal fitting, 3... hole cover.

Claims (1)

[Scope of utility model registration request] A main body that is attached to a through hole formed in the sealed acoustic box so that at least the entire periphery thereof is in close contact with the outer surface of the sealed acoustic box housing the speaker, and an electric circuit that penetrates the main body airtight from the front side to the back side. a terminal portion having a terminal to which an external circuit can be freely connected on the front side and a terminal for connecting to an electric circuit connected to the speaker on the back side; and a hanging structure formed on the main body near the terminal portion. a hole for hanging, a reinforcing fitting that has a hole in a shape corresponding to the hole for hanging and is attached to this hole from the other side of the main body, and a reinforcing fitting that is fixed to the hole from above the reinforcing fitting. 1. A terminal board for a speaker box having hanging means, characterized in that the terminal board is provided with a bottomed hole cover for closing the hole.