JPS6243212Y2 - - Google Patents

Description

[Detailed description of the invention] This invention is a mounting structure for an air outlet grill in an air conditioner, specifically a mounting structure for attaching an air outlet grill consisting of a plurality of radially extending stays and grille blades to the casing of an air conditioner. Regarding.

Conventionally, in order to attach this type of outlet grill to the casing, mounting holes were opened in multiple locations around the outlet in the top plate fixed to the top of the casing, usually in 3 to 4 locations, and a through hole was provided at the tip of the stay of the grill. The grille is attached by placing the through holes of the stay in each of the attachment holes, and screwing screws into the attachment holes from the through holes of the stay.

However, with the conventional mounting means, it was necessary to screw in multiple screws, making it troublesome and time-consuming to attach the grill to the top plate, and the appearance was also unsightly. Moreover, the top plate is generally coated with a resin coating to prevent rust, but when many screws are screwed into the top plate as described above, the coating layer of the top plate is often damaged by the screws. Rust may form on the parts, and furthermore, if the screws come off due to vibrations caused by the operation of the compressor installed in the outdoor unit, there is a risk that the grille will come off.

The present invention was devised in view of the above points, and its purpose is to make it possible to attach the outlet grille to the casing extremely easily by screwing one screw, while also providing a structure for the part of the casing where the outlet grille is attached. The casing has a shape that is easy to machine, and even if the screws are removed, the outlet grille will not easily come off and will be securely and firmly attached.Moreover, by attaching using a single screw, the appearance of the casing will be improved. At the same time, the purpose is to eliminate the risk of damaging the resin coating layer of the casing and to maintain its rust-preventing effect over a long period of time.

More specifically, the top plate of the casing has a substantially square horizontal cross section with approximately equal lengths in the width and depth directions.
A circular air outlet of a size approximately inscribed in the quadrangle is formed, and four elongated holes extending in the circumferential direction are provided around the air outlet and at the four corners of the top plate, and these elongated holes a through hole for a screw is provided adjacent to one of the stays, and a screw hole is provided at the tip of one of the stays to fit into the elongated hole and to be attached to the through hole for the screw. A mounting piece is provided, and an engaging body is provided at the tip of the other stay to fit into the elongated hole and engage with the back surface of the top plate, and the mounting piece and the engaging body are fitted into the elongated hole. It is characterized in that the blow-off grille is moved in the circumferential direction and attached to the top plate with a single screw.

The present invention will be explained below based on the embodiments shown in the drawings.

The drawings show an embodiment in which the present invention is implemented in an outdoor unit of an air conditioner.

In FIG. 1, reference numeral 1 denotes the casing of the outdoor unit, which is provided with a rectangular cylindrical top plate 2 having a substantially square horizontal cross section and having substantially equal lengths in the width direction and depth direction at the top.
As shown in FIGS. 3 and 4, this top plate 2 has an upper end of an outer wall 21 as a top wall 22, is approximately inscribed in the outer wall 21 having a square cross section from the top wall 22, and is inclined inwardly and downwardly toward the axial direction. A truncated cone-shaped inner wall 23 is provided, and a space surrounded by the inner wall 23 is defined as an air outlet 24.

Therefore, the air outlet 24 of the top plate 2 and the air outlet 2
The outlet grille 3 to be attached to 4 is formed as follows.

That is, around the air outlet 24 in the top plate 2, the top wall 22 and the inner wall 2
A plurality of concave stepped portions 25 parallel to the top wall 22 are formed at equal intervals by cutting out a portion of the portion 3 and concavely bending it downward.

Of the stepped portions 25, four stepped portions 25 are positioned around the air outlet 24 and at the four corners of the top wall 22 of the top plate 2. A long hole 26 is formed extending into the long hole 26, and one of the step portions 25 provided with the long hole 26 is provided with the long hole 26.
One screw through hole 27 is formed adjacent to the screw hole 6. Note that the elongated hole 26a of the stepped portion 25 in which the screw through hole 27 is provided is connected to the other elongated hole 26 in order to be able to insert the mounting piece 35 of the stay 32, which will be described later.
It is made wider. For convenience of explanation below, the wide elongated hole 26 will be referred to as a wide elongated hole, and the attached number will be 26.
Let it be a. On the other hand, as shown in FIG.
2 extending radially, and a plurality of wire-shaped grill blades 33 are integrally attached on the stay 32, and the tip of one of the stays 32 can be inserted into the wide elongated hole 26a. Then, a mounting piece 35 having a screw hole 34 that mates with the through hole 27 is integrally attached.

Furthermore, the tips of the three stays other than those provided with the mounting piece 35 among the stays 32 are provided with the top plate 2.
An engaging body 36 that can be inserted into a long hole 26 formed in the stepped portion 25 and that engages with the back surface of the stepped portion 25 is integrally provided.

This engaging body 36 is formed by bending the tip of the stay 32 downward and further bending the tip in a stepped manner in the circumferential direction so as to be perpendicular to the direction in which the stay 32 extends.

In the figure, reference numeral 4 denotes a mounting screw that is screwed into a screw hole 34 provided in the mounting piece 35 of the stay 32.

The outdoor unit shown in FIG. 1 has four pillars (not shown) erected at the four corners of a bottom frame 5, and an outer panel 6 and a cover plate 7 are installed around the lower part of the pillars on the bottom frame 5.
is provided around the pillar, and the above-mentioned top plate 2 is provided on the top of the pillar.
At the same time, a suction grill 8 is sandwiched and fixed between the top plate 2 and the outer plate 6, and the top plate 2, the outer plate 6, the lid plate 7, and the suction grill 8 are used to secure the casing of the outdoor unit. 1.

Further, in the figure, 9 is a compressor, 10 is an outdoor heat exchanger, 11 is a fan, and 12 is a gas side pipe 13 is a liquid side pipe.

The present invention has the above structure, and the air outlet grille 3 is attached to the air outlet 24 of the top plate 2 in the following manner.

First, among the stays 32 of the grille 3, the stay 32 with the engaging body 36 is attached to the step portion 25 in which the elongated hole 26 of the top plate 2 is formed (FIG. 8), and the mounting piece 35
The stay 32 with a wide elongated hole 26a is attached to the step part 25 (FIGS. 6 and 7), and the engaging body 3
6 and the stay 32 without the mounting piece 35 are made to correspond to the upper surface of the stepped portion 25 that does not form the elongated hole 26 (FIG. 9), and the engaging body 36 is attached to the stepped portion 25.
and the mounting piece 35 into the wide elongated hole 26a.
Insert them into each.

Next, the grille 3 is rotated in the direction in which the engaging body 36 and the mounting piece 35 protrude, so that the engaging body 36 is engaged with the back surface of the stepped portion 25, and at the same time, the screw hole of the mounting piece 35 is rotated. 34 is fitted into the screw through hole 27 of the stepped portion 25, and the screw 4 is screwed from this through hole 27 into the screw hole 34 of the mounting piece 35.

Then, by fixing the mounting piece 35 to the stepped portion 25, the stay 32 is prevented from rotating, that is, the engagement of the engaging body 36 to the back surface of the stepped portion is ensured.
The outlet grille 3 is securely fixed to the top plate 2.

As explained above, in the mounting structure of the present invention, engaging bodies are formed on three of the stays of the outlet grille, and a mounting piece is formed on one stay, and these engaging bodies and the mounting piece are attached to a long length provided on the casing. After fitting the engaging body and the mounting piece into the casing by inserting them into the respective holes and rotating them at a predetermined angle, the outlet grille is installed by screwing one screw between the mounting piece and the casing. Since it is designed to be attached to the casing, the installation operation of the outlet grille is extremely easy, and even if the screws are removed, the outlet grille can be easily removed due to the engagement of the engaging body and the mounting piece with the casing. It can be installed securely and firmly without any damage.

In addition, in the present invention, when attaching the grill to the casing, a long hole for fitting the engaging body and a through hole for screws are provided in the circular top plate provided with a circular air outlet, so that the top plate is directly attached to the top plate. Since the grille is attached, compared to a case where a mounting plate is provided separately from the top plate and the grille is indirectly mounted, it is possible to prevent the grille from coming off due to detachment of the mounting plate, which is made of a separate member. The processing to be performed on the top plate side is only punching out the long holes for fitting the mounting piece, the engaging body, and the through holes for screws, so it can be easily performed by machining, and is therefore suitable for mass production of the top plate. There is.

Furthermore, the grille is installed by engaging the engaging body provided on the stay with the back side of the top plate, and directly attaching it to the top plate so that the stay and the engaging body sandwich the top plate. When a force is applied, this impact force is directly received by the top plate and can be easily dispersed throughout the top plate. Therefore, the attachment portion between the outlet grille and the casing (top plate) is extremely resistant to impact forces.

Furthermore, since the elongated holes are provided at the four corners of the top plate, the space at the four corners can be used effectively, there is no need to provide a special space for the elongated holes, and reinforcement by forming the elongated holes is improved. Since the elongated hole can be formed without the need to carry out any process, the outer shape of the casing can also be made compact. Furthermore, since only one screw is used in the present invention, the casing has a good design appearance, and one screw through hole is provided on the casing side, and one screw is screwed into the screw hole of the mounting piece. Since the stay is fixed simply by doing this, the resin coating layer of the casing is less likely to be damaged by the screws, and the rust-preventing effect of the casing can be maintained over a long period of time.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention; Fig. 1 is an external view of an outdoor unit in an air conditioner, Fig. 2 is a plan view thereof, Fig. 3 is an enlarged plan view of the top plate, and Fig. 4 is an enlarged plan view of the top plate. A vertical sectional view of the top plate, FIG. 5 is a partially cutaway enlarged plan view of the outlet grille, FIGS. 6 and 7 are side sectional and front sectional views showing the fixed state of one of the stays and the casing, and FIGS. FIG. 9 is a side sectional view showing another state in which the stay and the casing are fixed. 1... Casing, 24... Air outlet, 26, 2
6a...long hole, 27...screw hole, 3...blowout grill, 32...stay, 33...grill blade, 34
...screw hole, 35...mounting piece, 4...screw.

Claims (1)

[Scope of utility model registration request] A structural structure in which an air outlet grill consisting of a plurality of radially extending stays and grille blades is attached to the casing of an air conditioner, and the casing has a substantially rectangular horizontal cross section with substantially equal lengths in the width direction and depth direction. A circular air outlet having a size substantially inscribed in the square is formed on the top plate, and four elongated holes extending in the circumferential direction are provided around the air outlet and at the four corners of the top plate. , a screw through-hole is provided adjacent to one of these long holes, and a screw through-hole is provided at the tip of one of the stays to fit into the long hole and to be attached to the screw through-hole. A mounting piece with screw holes is provided, and an engaging body is provided at the tip of the other stay to fit into the elongated hole and engage with the back surface of the top plate, and the mounting piece and the engaging body are fitted into the elongated hole. A mounting structure for a blowout grill in an air conditioner, characterized in that the blowout grille is fitted to the top plate and moved in the circumferential direction so that the blowout grille is attached to the top plate with a single screw.