JPS5989938A - Air conditioner - Google Patents

Abstract

PURPOSE:To obtain the thin and light main body of an air conditioner with a small number of parts, by constituting an outer casing, of strong structural material by using a solid board, having a nearly U-shaped section as for the main component member of an outer casing, and by monolithically forming its four corners. CONSTITUTION:A solid board 1 of which section is bent nearly into a U-shape is laid on the floor so that its back part 6c comes to the bottom side, and the open surface is widened to the right and the left to some extent. A previously unitized fan 31 is inserted into the casing from the open surface and is fitted to the board by fitting pieces 37 and welding bolts 40. Then a unitized heat exchanger is inserted into the casing from the open surface, and a drain pan is abutted against a fan guide. The front of both right and left sides of a drain pan is fixed to the board 1 by screws 44, striding across the recess parts 42a and 42b of the front flanges 5a and 5b, as well as to fix a fitting part to a hanging piece 15 by screws. The U-shaped solid board 1 is laid on the floor so that one or another side parts 6a and 6b comes to the bottom, and they are fixed by screws from the outside of a back point 6c.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of the Invention The present invention relates to a floor-standing packaged air conditioner.

(B) Prior Art Conventionally, in floor-standing packaged air conditioners, after installing and fixing columns with a cross-sectional shape at the four corners of the bottom box, separate left and right side panels, top panels, and The front panels are each screwed and fixed to the support having a casing via an angle frame.

(c) Problems with the conventional technology: It requires a bottom box and five panels as components of the casing, and in order to assemble these panels and install equipment such as a heat exchanger and blower, it requires four columns and straddling these columns. Since it used a frame structure consisting of multiple angle frames, the number of parts was large, the assembly was complicated, and the manufacturing cost was relatively high.

(iv) Object of the Invention The present invention provides an inexpensive and lightweight air conditioner that has a reduced number of casing components and eliminates the need for frame parts such as columns.

(E) Main points of the invention A single plate having a substantially U-shaped cross section and having one side open and having four corners;
A housing is formed by upper and lower plates that are separate from or integrated with the plate and a separate plate that is attached to the open surface, and equipment such as a heat exchanger and a blower to be housed in the housing is mounted on the single plate. With this structure, the plate is made of a single strong plate with four corners and is open on one side, making it suitable for supporting equipment such as heat exchangers and blowers. It is used as a member with sufficient strength and can also be used as an exterior casing for an air conditioner.

(f) Embodiment of the Invention An embodiment of the present invention will be explained based on FIGS. 1 to 3. (1) The four corners (2a) (2b) (2c) (2d
) with one side (3) in an open state and a substantially U-shaped cross section, made of thin sheet metal with a wall thickness of 0.6 mm and a height of 18 mm.
It is used as the main component of the casing (4), which is bent into a slim shape with a width of 70 myrts, a width of 540 mm, and a depth of 175 mm. (5a) (5b) are the front left and right corners (2a
) (2b) is formed together with the left and right side parts (6a) and (6b), and is a front flange part that is bent as a mounting surface for the side plate (7) which is the front plate. ) and (9) are drilled respectively. Also, (10a)
(10b) (10c) are upper plate members α in which the upper ends of the left and right side parts (6a) (6b) and the upper ends of the back part (6c) are bent.
At the upper flange part for mounting, screw holes (6) C3 for mounting are drilled together with the upper plate member αD, and the back part (
The upper surface flange portion (10c) of 6c) is further bent downward to provide a hanging piece α0 for hanging the heat exchanger 04). In addition, (16a), (16b), and (16c) are step parts where the lower ends of the left and right side parts (6a), (6b) and the lower end of the back part (6c) are bent inward in an inverted shape, and are box-shaped. It is inserted along the inner surface of the lower plate member 0η, and is fixed by the respective screw holes 0 while being placed on the projecting piece (G) of this member.

The side plate (7) attached to the open surface (3) has an air outlet (A) with a wind direction change plate Ql) and an inlet G with a grill bar (C)! Main plate (E) with → and operation control operation part (C), insertion of air filter (A) and electrical equipment box (C)
It is divided into two parts, including an auxiliary board that can be attached and removed during inspections, etc.

Moreover, the heat exchanger α→, which has a width dimension that is approximately the same as the inner width dimension of the U-shaped single plate (1), can be used as a unit with a drain pan side attached to its lower end in advance. A blower with approximately the same width as the 0υ has a single suction! ” fan ζψ
They are each pre-assembled as a unit in which the electric motor with the motor is fixed in position within the back-open sheet metal fan casing (+1) via the support legs (C) and the nozzle plate (arms).

(b) is spot welded along the scroll part (c) of the fan casing) and the screw hole (a) of the back part (6c)
and weld bolts).

Therefore, to assemble the air conditioner, first, as shown in Figure 1, lay down a single plate (1) bent into a substantially U-shaped cross section with the back side (6C) facing down, and then open the open side (3). The blower, which has been made into a unit beforehand, is 0η from this open surface when it is slightly expanded to the left and right.
After storing the mounting pieces (B) and fixing them to the welding bolts (A), attach the unitized heat exchanger 0Φ to the open surface (3).
Place the drain pan (1) against the ventilation guide plate Cυ, and attach the front part of the left and right sides of the hanging piece (screwed to the IQ and the drain pan) to the front flange part (5a).
) (5b), straddle the depressions (42a) and (42b) and fasten them with screws. Then, the U-shaped single plate (1) is laid down so that one of the left and right side parts (6a) and (6b) is facing down, and the rear back part (6C) is fastened with screws (c) from the outside.

After that, the upper plate member θ and the lower plate member 07) are respectively screwed M.
Attach the main plate (E), which is the fixed rear side plate (7), with the screws (171
The assembly is completed when the lower sloped edge (c) is locked to the lower slope member a71 and the auxiliary plate is secured with the screws θ. Note that if the front-exposed screw 0710 [phase] is coated with an IJ bar (not shown), the aesthetic appearance will not be impaired.

In the above-mentioned embodiment, the single plate (1) having a substantially U-shaped cross section includes, for example, a cross-sectional shape as shown in FIGS. 4 and 5, with at least four corners (2a) (2b) ( 2c) (2d
) Any integral strength structure may be used. In addition, the upper plate member (
11) and the lower plate member αη were explained as being separate from the single plate (1) with a substantially U-shaped cross section, but the upper flange part (10c
) and the difference portion (16c) may be further extended and integrally formed into an upper plate member αD and a lower plate member 07), respectively, as shown in FIG.

As mentioned above, since one side (3) is open and the plate is approximately U-shaped in cross section, it is made of a strong wooden board (1) with four corners (2a), (2b), (2c), and (2d), so it can be installed vertically. It can be used as a member with sufficient strength to support equipment such as the heat exchanger α→ and the blower 0]) when installed on the floor in this state, and it can also be used as a substantially U-shaped single plate (]) Both left and right side parts (6a) (C5
The reinforcement in the left and right direction is done by the drain pan (G) that straddles b), and the inclined heat exchanger α→ and the drain pan (l) that straddle this drain pan (A) and the upper end of the back part (6c) The fan casing (G) for the blower 00, which spans the lower part of the rear part (6c), is reinforced with bracing, and these devices also serve as reinforcing members to create an extremely strong air conditioner. It can be completed with a small number of parts.

(G) Effects of the Invention The present invention uses a single plate with a substantially U-shaped cross section with one side open as the main component of the exterior casing, and furthermore, the four corners of this single plate shape are also integrated. Because of the formed strong structure, the air conditioner can be manufactured easily and inexpensively with a small number of parts without the need for a frame structure such as columns, and it is possible to complete a thin and lightweight air conditioner. can.

° Moreover, by fixing equipment such as a heat exchanger and a blower to a single plate with a substantially U-shaped cross section, these equipment can also be used as reinforcing members for this single plate, further increasing the strength of the single plate. I can do it.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view of an air conditioner showing an embodiment of the present invention, Fig. 2 is a sectional view taken along the line ■-■ in Fig. 1, Fig. 3 is a vertical sectional view of the air conditioner, and Fig. 4 5 is a sectional view showing another embodiment in place of FIG. 2, and FIG. 6 is a perspective view of a main part showing another embodiment in place of FIG. 1. +D) 4). (1)...A single plate with a substantially U-shaped cross section, (2a) (2b) (2c) (2d) -4 corners, (3
)--Open surface, (4)--Casing, (7)--Separate body, 0])...Top plate member, (14)...Heat exchanger, θ... Lower plate member, 01)...Blower. No.31￥1 No.61'n1 1

Claims (1)

[Claims] (1) A housing consisting of a single plate having a substantially U-shaped cross section with four corners and one side open, two lower plate members separate from or integrated with the plate, and a separate plate attached to the open side. An air conditioner in which a heat exchanger, a blower, and other devices housed in the housing are fixed to the single plate.