JPS6122191Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an indoor unit in a separate air conditioner, and particularly to a mounting structure for a side plate and a service lid.

Generally, in this type of indoor unit, an electrical control device such as a switchbox or a terminal board is placed on the side inside the main casing, and a side plate is placed on the side of the main casing facing the electrical control device. A service cover is removably attached to the rear side of the side plate with screws, so that the electric control device can be inspected and adjusted when the service cover is installed.

However, in the conventional indoor unit,
Because the side plate and service lid need to be attached with a large number of screws, installation workability during assembly is poor, and during service, it is time-consuming to remove the screws, making service workability poor. There was a problem that the appearance deteriorated because it was visible.

The present invention has been made in view of this point, and includes forming an upper end protrusion projecting diagonally upward on the back surface of the upper end of the side plate, and folding the upper end protrusion downward from the top plate side end of the main body casing. A lower end protrusion is formed on the back surface of the lower end of the side plate to engage with the bent engaging part, and the lower end protrusion is connected to an insertion groove provided at the side end of the bottom plate of the main body casing. and fix the side plate to the main casing with screws at one point at the rear end,
A fitting portion is formed at the front end of the service lid by curving the front end outward, and the fitting portion is fitted into a right end protrusion protruding from the rear end of the side plate, and A protruding part is formed at the rear end of the lid by bending the rear end inward, and the protruding part is engaged with an engaging part provided by bending the back plate side end of the main body casing forward. At the same time, the service cover is attached to the main body casing while covering the screw fixing portion of the side plate, thereby reducing the number of screws required for attaching the side plate and the service cover, thereby improving assembly workability and service workability. The present invention aims to provide an indoor unit with improved appearance.

Hereinafter, the present invention will be described in detail based on embodiments shown in the drawings.

1 to 4 show a ceiling-suspended indoor unit A of a separate air conditioner according to the present invention,
Reference numeral 1 denotes a main body casing consisting of a top plate part 1a, a back plate part 1b, and a bottom plate part 1c.A suction port 2 is opened at the center of the front surface of the main body casing 1, and a suction grill 3 is provided in the suction port 2. is installed. Also,
Lower front of main body casing 1, i.e. suction port 2
An air outlet 4 is provided at the bottom of the air outlet 4, and an air outlet grill 5 is attached to the air outlet 4. Further, inside the main body casing 1, a heat exchanger 6 is disposed opposite to the suction port 2, and a cross flow fan 7 is disposed downstream of the heat exchanger 6. After exchanging heat with a heat exchanger 6, the cross flow fan 7 blows out the air from an outlet 4.

Further, a control device chamber 9 partitioned off by a partition plate 8 is formed on the right side of the main body casing 1, and a switch box 10 is installed in the control device chamber 9.
Electrical control devices such as a terminal board 11 and the like are arranged. Further, side plates 12, 12 are attached to the front side of the main body casing 1, and the right side plate 12 is attached to face the switch box 10.

The side plate 12 is composed of a substantially rectangular flat plate-shaped side surface portion 12a and a collar portion 12b formed by bending the periphery of the side surface portion 12a inward at a right angle.
2b has different heights in the upper half and lower half, being lower in the upper half and higher in the lower half. Two upper end protrusions 13 are formed at the upper end of the collar portion 12b and project obliquely upward. Further, two claw-shaped lower end protrusions 14 are formed at the lower end of the collar portion 12b of the side plate 12 and project in the horizontal direction. Furthermore, a bulging portion 16 is formed at the front end of the collar portion 12b of the side plate 12, protruding outward, and having an engaging surface at the rear end that engages with the support frame 15 at the right end of the suction grille 3. , collar portion 12 of side plate 12
b At the rear end is a screw hole 17 provided in the partition plate 8.
(In the case of the side plate 12 on the left side, a mounting piece 18 is screwed to a screw hole provided in a fixing part formed by bending the back side 1b side end of the main body casing 1 at a right angle forward, although not shown). It is formed.

On the other hand, an engaging portion 19 formed by bending the end of the top plate portion 1a downward at a right angle is vertically provided on the side end of the top plate portion 1a of the main body casing 1, and at the lower end of the engaging portion 19,
The lower end is cut out into a rectangular shape to provide two notches 19a into which the upper end protrusion 13 of the side plate 12 is fitted and engaged, and the lower end of the engaging part 19 is bent horizontally outward at right angles to form the side plate. 12 color parts 12b
Three protruding support parts 19b are provided to support the upper end. Further, a lower decorative frame 20 is attached to the bottom plate portion 1c of the main body casing 1, and an insertion groove portion 21 into which the lower end protrusion 14 of the side plate 12 fits is formed at the side end of the lower decorative frame 20. There is.

Therefore, the upper end protrusion 13,1 of the side plate 12
3 is positioned at the upper end of each protruding support part 19b of the engaging part 19 of the main body casing 1, and is fitted into and engaged with the notch part 19a, 19a of the engaging part 19, respectively, and the lower end protruding part 14, 14 of the side plate 12 is Insert into the insertion groove 21 of the main casing 1, and further,
The bulging portion 16 of the side plate 12 is attached to the support frame 1 of the suction grill 3.
5, and in this state, the mounting piece 18 of the side plate 12
The side plate 12 is fixed to the main body casing 1 by screwing it into the screw hole 17 of the partition plate 8 (or fixing part) (see FIG. 4).

Furthermore, 22 is a service that is mounted by screws 23 to the rear right side of the main body casing 1, that is, to the rear of the side plate 12 so as to face the terminal board 11 in the control device room 9 and cover the mounting piece 18 of the side plate 12. In the front end of the service lid 22, two fitting parts 24 are formed in a row in the vertical direction by curving the front end into a concave shape. are fitted into hook-shaped right end protrusions 25, 25 protruding from the rear end of the side plate 12, and the rear end of the service lid 22 is folded inward into a stepped shape. Bent protrusion 2
6 and 26 are formed, and the protruding parts 26 and 26 fit into two rectangular notches 27a provided in an engaging part 27 formed by bending the side plate of the back plate part 1b of the main body casing 1 forward at a right angle. engaged. Note that 28 is a piping blind plate that is connected to the rear of the lower decorative frame 20, and 29 is a hanging fitting for hanging from the ceiling.

Therefore, in the above embodiment, the upper end projections 13, 13 formed at the upper end of the side plate 12 and projecting obliquely upward are engaged with the engaging portion 19 on the top plate portion 1a side of the main body casing 1, and the The horizontally protruding lower end protrusions 14 , 14 formed at the lower end of the side plate 12 are inserted into the insertion groove 21 of the main body casing 1 , and the bulge 16 formed at the front end of the side plate 12 is inserted into the suction grill 3 . engages with the support frame 15;
In this state, by screwing the mounting piece 18 of the side plate 12 into the screw hole 17 of the partition plate 8, the side plate 12
can be securely fixed to the main body casing 1. Further, the fitting parts 24, 24 formed at the front end of the service lid 22 are fitted into the right end protrusions 25, 25 provided protruding from the rear end of the side plate 12, and the rear end of the service lid 22 The protruding portions 26, 26 formed in
By fixing 2 with screw 23, service lid 2
2 can be reliably fixed to the main body casing 1 by covering the mounting piece portion 18, which is a screw fixing portion, on the rear side of the side plate 12. Therefore, the side plate 12 and the service lid 22 can be attached without requiring a large number of screws as in the conventional case, and the ease of assembly and service work can be greatly improved.

Moreover, the number of screws required to attach the side plate 12 and the service lid 22 is only one each, and the screw fixing part (mounting piece part 18) of the side plate 12 can be covered by the service lid 22, so that the screws can be removed from the outside. The appearance can be improved without being exposed and conspicuous.

In the above embodiment, the lower end protrusion 1 of the side plate 12
Although the insertion grooves 21 into which the insertion grooves 4 and 14 are inserted are formed in the lower decorative frame 20 attached to the bottom plate part 1b of the main body casing 1, it is of course possible to provide them directly in the bottom plate part 1c of the main body casing 1.

As explained above, according to the indoor unit of the present invention, the upper end protrusion of the side plate is formed with the upper end protrusion that projects obliquely upward, and the upper end protrusion is caused to extend downward from the side end of the top plate of the main body casing. A lower end protrusion is formed on the back surface of the lower end of the side plate to be engaged with an engaging part provided by bending, and the lower end protrusion is formed on the side end of the bottom plate of the main body casing. The side plate is inserted into the groove and fixed to the main body casing with screws at one location on the rear end, while a fitting part is formed at the front end of the service lid by curving the front end outward, and the fitting part is formed by curving the front end outward. The fitting portion is fitted into a right end protrusion protruding from the rear end of the side plate, and a protrusion is formed at the rear end of the service lid by bending the rear end inward, and the protrusion The service lid is attached to the main body casing in a state that covers the screw fixing parts of the side plate by engaging the service lid with the engaging part provided by bending the side end of the back plate part of the main body casing forward. Since the side plate and service lid can be reliably attached to the main body casing with one screw each without using a large number of screws, it is possible to greatly improve assembly workability and service workability. ,
It is also possible to improve the appearance.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention; FIG. 1 is an overall perspective view, FIG. 2 is an enlarged sectional view taken along the - line in FIG. 1, FIG. 3 is an exploded perspective view of the main parts, and FIG. 4 is a partially assembled sectional view. 1... Main body casing, 1a... Top plate part, 1b
...Back plate part, 1c...Bottom plate part, 12...Side plate, 1
3... Upper end protrusion, 14... Lower end protrusion, 19...
...Engaging part, 21...Insertion groove part, 22...Service lid, 24...Fitting part, 25...Right end protrusion, 26
...Protrusion part, 27...Engagement part.

Claims (1)

[Scope of utility model registration request] An upper end protrusion 13 is formed on the back surface of the upper end of the side plate 12 and projects diagonally upward. At the same time, a lower end protrusion 14 is formed on the back surface of the lower end of the side plate 12 and projects horizontally, and the lower end protrusion 14 is inserted into the insertion groove 21 provided at the side end of the bottom plate 1c of the main casing 1. Then, the side plate 12 is fixed to the main body casing 1 with screws at one location at the rear end, and a fitting part 24 is formed at the front end of the service lid 22 by curving the front end outward. The fitting part 24 is fitted into the right end protrusion 25 protruding from the rear end of the side plate 12, and the protrusion 26 is formed by bending the rear end inward at the rear end of the service lid 22. The protruding portion 26 is engaged with the engaging portion 27 provided by bending the back plate portion 1b side end of the main body casing 1 forward, and the service lid 22 is attached to the main body casing 1 with the screws of the side plate 12. An indoor unit characterized by being installed with the stopper part covered.