JPS6328344Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to an air conditioner with indoor and outdoor separation, which has an indoor unit and an outdoor unit. This invention relates to an improvement in the connection structure of the connection end of the connection wire.

[Conventional technology]

Conventionally, in this type of separate air conditioner, the structure for fixing the terminal board to the indoor unit casing is as follows:
For example, the structure disclosed in Utility Model Application No. 58-74794 is generally employed. To briefly explain this using Fig. 6, in the figure 1 is the indoor unit casing of the air conditioner, 2 is a terminal board fixed with screws to the back side of the indoor unit casing, and this terminal board 2 is the indoor unit casing of the air conditioner. It is fixed with a fixing screw 4 to a terminal board mounting hole 3 drilled on the back side of the body 1. Reference numeral 5 denotes inner and outer connecting wires for electrically connecting the outdoor unit (not shown) of the air conditioner described above and the indoor unit housing 1, and these wires are used at the site where this type of air conditioner is installed. Wires are connected to connection holes 6 formed on the front surface of the terminal board 2.

In the conventional structure described above, when assembling the air conditioner, the terminal board 2 is screwed and fixed to the back side of the indoor unit housing 1, so the connection wire 5 from the outdoor unit side is connected. The connection hole 6 formed on the front surface of the terminal board 2 is always fixed facing the rear of the indoor unit housing 1.

[Problem that the invention attempts to solve]

However, according to such a conventional structure,
In some cases, it may not be possible to insert and connect the connection wire 5 from the outdoor unit side to the terminal board 2 attached to the back side of the indoor unit housing 1 at the installation site of the air conditioner. This required countermeasures. That is, it is difficult to connect the above-mentioned electric wires 5 to the terminal board 2 after the indoor unit housing 1 is attached to the installation wall (not shown). It is also difficult to install the device when it is embedded in a wall or the like.

The present invention has been developed in view of the above-mentioned circumstances, and is designed to make it possible to extremely easily and appropriately connect the connecting wires from the outdoor unit to the terminal board on the indoor unit when installing the indoor unit. The purpose of this invention is to obtain an inexpensive air conditioner with separate inner and outer parts.

[Means for solving problems]

According to the air conditioner according to the present invention, an insertion opening through which a connecting wire from the outdoor unit side is inserted is formed in the back plate constituting the indoor unit housing, and a terminal to which the connecting wire is connected. The panel is removably mounted inside the indoor unit housing in a state where it can be turned over.

[Effect]

According to the present invention, even in cases where it is difficult to connect the connection wires from the outdoor unit side from the rear side of the indoor unit, the terminal board provided inside the indoor unit housing can be turned over and detached. This allows for easy and appropriate operation from the front side of the casing.

〔Example〕

Hereinafter, the present invention will be explained in detail using embodiments shown in the drawings.

Figures 1 to 4 show an embodiment of an air conditioner with separate inner and outer type according to the present invention, and in these figures, the same parts as in Figure 6 described above are given the same numbers. The explanation will be omitted.

Now, according to the present invention, an insertion opening 10 is formed in the back plate 1a constituting the indoor unit casing 1, through which a connection electric wire from the outdoor unit side (not shown) is inserted, and the connection electric wire The terminal board 11 (indicated by reference numeral 5 in FIG. 6) to which wires are connected is detachably mounted in the indoor unit housing 1 in a state where it can be turned over.

That is, the present invention has a structure in which the work for connecting the connection wire from the outdoor unit side to the indoor unit side can also be performed from the front side of the indoor unit housing 1, thereby making it possible to connect the indoor unit to the indoor unit. Even if it is difficult to connect the wires from the rear side due to the installation condition of the Since the wire connection work can be freely selected from the front or back side of the indoor unit housing 1, there is an advantage that the degree of freedom in the wire connection work can be increased.

To explain this in detail, the terminal board 11 has a generally rectangular parallelepiped shape as a whole, as shown in FIGS. Guide ribs 12a, 12b, 13a, 13b
are integrally protruded from each other. U-shaped locking grooves 14a and 14b are cut out in the center of the side edges on the back side of both the left and right sides of this terminal board 11, and a mounting piece formed on the housing 1 side, which will be described later, is cut out. 1
By engaging the locking claws 15a and 16a at the tips of 5 and 16, the terminal board 11 can be detachably installed in the housing 1. Further, reference numeral 17 denotes insertion holes for the inner and outer connection electric wires, which are bored in two rows, upper and lower, on the front surface of the terminal board 11 mentioned above.
Reference numeral 8 indicates various electrical components (not shown) installed in the indoor unit connected from the back side of this terminal board 11.
This is the internal wire from.

According to this embodiment, the opening 10 formed in the back plate 1a of the casing 1 is formed to have substantially the same shape as the front surface of the terminal board 11. 11 is mounted, a stopper 11a is provided protruding from the upper front end of the terminal board 11.

On the other hand, the opening 1 on the back plate 1a of the housing 1
As shown in FIGS. 1, 3, and 4, a pair of mounting pieces 15 and 16 having locking claws 15a and 16a at their tips are integrally protruded from both side edges of 0. . In this case, these mounting pieces 15 and 16 may be configured to allow the required elastic deformation, for example, they may be integrally molded together with the back plate 1a from a synthetic resin material.

According to such a configuration, as shown in FIG.
The locking claw 15 is inserted into the locking grooves 14a, 14b between the pair of mounting pieces 15, 16 protruding from the
By locking the mounting pieces 15 and 16a, it can be easily and properly mounted, and it can also be easily removed by utilizing the elastic deformation of the mounting pieces 15 and 16. Here, the above-mentioned mounting piece 1
The length A of 5 and 16 may be formed to match the length of the terminal board 11 (distance A from the tip to the bottom of the locking groove).
It is clear that it is possible to install it even when it is turned 180 degrees. Furthermore, by forming the width dimension B of the mounting pieces 15 and 16 to match the dimension B between the guide ribs 12a, 12b, 13a, and 13b on both sides of the terminal board 11, these guide ribs are prevented from rattling. This makes it possible to ensure a stable and reliable mounting state of the terminal board 11.

Therefore, with such a configuration, the internal and external connection wires can be drawn into the casing 1 through the opening 10 described above and connected easily and reliably to each insertion hole 17 of the terminal board 11. For example, if wiring work cannot be done on the back of the housing 1 due to the installation location of the indoor unit, it can be done from the front side of the housing 1, which has the advantage of improving work efficiency. be. Of course, this terminal board 11 is
After the wiring work is completed, it is mounted and held within the housing 1 by the mounting pieces 15 and 16, as described above.

That is, according to the present invention, it is possible to freely reverse the direction of the terminal board 11 inside the indoor unit casing 1, so that the inner and outer connecting electric wires 5 can be connected to each other on the back side of the indoor unit casing 1. Even when the wiring work is difficult, the wiring work can be easily performed from the front side of the indoor unit housing 1, and the workability can be greatly improved.

Note that the present invention is not limited to the structure of the embodiment described above, and the shape, structure, etc. of each part may be modified and changed as appropriate. For example, in the embodiment described above, the mounting pieces 15 and 16 are attached to the back plate 1a of the housing 1.
Although the case has been described in which the terminal board 11 is detachably mounted on the terminal board 1, the present invention is not limited to this, and the terminal board 11 may be mounted at a desired location within the housing 1. There are various possible modifications.

In addition, as a structure for inverting the terminal board 11 by 180 degrees, as shown in FIG.
Mounting pieces 15, 16 having locking claws 15a, 16a
By providing a protruding shaft portion 20 on the inner surface of the terminal board 11 and drilling a hole 21 into which the shaft portion 20 fits into the terminal board 11 side, the terminal board 11 can be turned over as it is. Here, if the above-mentioned shaft part 20 is provided with a blade part 20a that protrudes in two radial directions, and a notch part 21a that fits into the blade part 20a is formed at the periphery of the hole part 21 on the terminal board 11 side, The terminal board 11 can be locked and held in a desired holding state.

[Effect of idea]

As explained above, according to the air conditioner according to the present invention, an insertion opening through which a connecting wire from the outdoor unit side is inserted is bored in the back plate constituting the indoor unit housing, and the connecting wire is inserted through the opening. The terminal board to which the electric wires are connected is removably mounted inside the indoor unit housing in a state where it can be reversed, so despite the simple and inexpensive structure, when installing the indoor unit, the Connecting wires from the outdoor unit side to the terminal board of the indoor unit can be easily and appropriately done by freely selecting from the back side or front side of the indoor unit housing, greatly improving the work efficiency during connection. As a result, various excellent practical effects can be achieved, such as being able to significantly shorten the installation time of air conditioners including this type of indoor unit.

[Brief explanation of drawings]

Fig. 1 is an exploded perspective view of essential parts of an indoor unit housing and a terminal board showing one embodiment of an air conditioner according to the present invention, and Fig. 2 a, b, and c show terminals suitable for use in the present invention. A front view, left and right side views showing the board structure, Fig. 3 is a schematic perspective view showing a terminal board mounting piece formed inside the indoor unit housing, and Fig. 4 is a sectional view of main parts showing the terminal board installed state. , FIG. 5 is an exploded perspective view of essential parts showing another embodiment of the present invention, and FIG. 6 is a schematic exploded perspective view showing a conventional structure. DESCRIPTION OF SYMBOLS 1...Indoor unit housing, 1a...Back plate, 5...Wire for connection from the outdoor unit side, 10...Wire insertion opening, 11...Terminal board, 12a, 12b, 13a,
13b... Guide rib, 14a, 14b... Locking groove, 15, 16... Mounting piece, 15a, 16a...
Locking claw, 17...Insertion hole, 18...Internal electric wire, 2
0...Shaft part, 20a...Blade part, 21...Hole part,
21a...notch portion.

Claims (1)

[Scope of utility model registration request] An insertion opening is formed in the back plate constituting the indoor unit casing through which the connection wire from the outdoor unit side is inserted, and a terminal board to which the connection wire is connected is provided.
This air conditioner is characterized in that it is removably installed in the indoor unit casing in a state that it can be turned over.