JP2004092998A - Sliding type locking device and air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To facilitate assembly at a low cost without leaving an omitted part at a bar of a suction grille even in the case of removing a sliding type locking piece from the suction grille. <P>SOLUTION: An air conditioner provided with a decorative panel 7 and the suction grille hinge-connected to the decorative panel 7, is provided with a sliding type locking device sliding along the bars 9a formed at the suction grille 9, partially projecting from the side face of the suction grille and lockable to a locking part 35 of the decorative panel 7. The sliding type locking device is provided with the sliding type locking piece 101 slidably supported to a boss part formed at the suction grille 9, through a screw 105; a flexural piece 101c formed at the side part of the sliding type locking piece; and an engaging protrusion 101d provided at the free end of the flexural piece 101c and engaged with an engaging cutout 9b. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an air conditioner having a slide lock device and a suction grill, and more particularly to an improved technique of a slide lock device provided on a suction grill of the air conditioner.
[0002]
[Prior art]
2. Description of the Related Art In general, there is known an air conditioner including a suction grille having a slide-type locking device hinged to a decorative panel and locked to a locking portion of the decorative panel. In this type of slide lock device, a notch portion is formed for sliding a slide lock piece constituting the slide lock device in a direction orthogonal to a bar of the suction grille. It is slidably attached.
[0003]
[Problems to be solved by the invention]
However, in the conventional configuration, there is a problem that when the slide-type lock piece is removed from the suction grill, the above-described missing portion remains on the crosspiece of the suction grill. For this reason, there is no problem in the suction grille that requires the mounting of the slide-type lock piece because the missing part is not noticeable, but in the suction grill that does not require the mounting of the slide-type lock piece, the missing part is too noticeable. Therefore, there is a problem that both grills cannot be shared.
[0004]
Further, from the viewpoint of manufacturing, it is desirable that the slide-type lock device be low-cost and easy to assemble.
[0005]
Therefore, an object of the present invention is to provide a slide lock device and an air conditioner which are low-cost and easy to assemble even when a slide-type lock piece is removed from a suction grill without leaving a missing portion on a bar of the suction grill. To provide.
[0006]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, it slides along a guide formed on a suction grill which is detachably fixed to a decorative panel, and a part of the suction grill can protrude into a locking portion of the decorative panel from a side surface of the suction grill. A sliding lock device slidably supported via a screw on a boss formed on the suction grille, and a bend formed on a side of the sliding lock device. And a projection at the free end of the flexure that engages the guide.
[0007]
In this case, one boss may be provided for each slide lock device, and the slide lock piece may be provided with a screw hole for inserting the screw at substantially the center. .
[0008]
Further, the slide type locking piece may be provided with a rib abutting on the guide.
[0009]
Further, the air conditioner includes a decorative panel, a suction grille hinged to the decorative panel, and any one of the above-described slide lock devices, and a part of the slide-type lock piece is a part of the decorative panel. It is characterized by being locked by a locking portion.
[0010]
In this case, the guide may be formed as a crosspiece of the suction grill.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Next, a preferred embodiment of the present invention will be described with reference to the drawings.
[0012]
FIG. 1 is a cross-sectional view of the air conditioner of the embodiment.
[0013]
The air conditioner 50 is a so-called four-way ceiling cassette type air conditioner.
[0014]
The air conditioner 50 has a main body 2 made of sheet metal housed in a ceiling interior 1, a suction port 3 in the center, and outlets 4 on four sides of an outer peripheral portion, so as to close the ceiling hole 5. It has a decorative panel 7 provided on the ceiling surface 6 and a suction grill 9 having an air inlet 8 in the center. Further, the air conditioner includes a blower 10. The blower 10 includes a turbofan 11 and a fan motor 13 attached to a top plate 12.
[0015]
Here, the nozzle port 14 guides the air from the intake port 8 to the turbo fan 11. The drain pan 15 has an inner rising portion 15a and an outer rising portion 15b, and is formed of styrene foam in a square ring shape. The plate fin type heat exchanger 16 is annularly arranged on the discharge side of the turbo fan 11 so as to surround the fan. Further, the heat insulating material 17 is wound around the main body 2, and the air guide 21 guides the air that has been heat-exchanged by the heat exchanger 16 to the outlet 4. Further, the suspension bolt 22 suspends the main body 2 from the ceiling beam by the suspension tool 23. Furthermore, an air cleaning filter 24 is mounted downstream of the suction grill.
[0016]
FIG. 2 is a perspective view showing a state in which the suction grill is opened.
[0017]
As shown in FIG. 2, a suction grille 9 is attached to one side of the decorative panel 7 via a hinge 25 so as to be openable and closable, and a filter 24 is removed from the suction grille 9 while being held down by a filter retainer 27. Mounted freely.
[0018]
By the way, in the air conditioner 50, the suction grille 9 is opened and closed each time, for example, for maintenance of the filter 24 or the like.
[0019]
In this embodiment, when the suction grille 9 is rotated via the hinge 25 and the suction grille 9 is closed, the slide lock pieces 101 constituting a pair of slide lock devices 100 provided on the suction grill 9 are provided. The suction grill 9 is fixed to the decorative panel 7 by being locked by the locking portion (hole) 35 of the decorative panel 7 (see FIG. 3).
[0020]
FIG. 3 is a front view around the slide lock device. FIG. 4 is a side sectional view of the periphery of the slide lock device. FIG. 5 is a cross-sectional view of the slide lock piece.
[0021]
As shown in FIG. 3, the slide lock piece 101 constituting the slide lock device 100 is formed so as to be slidable in the direction of arrow A along the space between the bars 9 a of the suction grill 9.
[0022]
Here, the mounting state of the slide lock device 100 to the suction grill 9 will be described.
[0023]
A boss 102 is integrally formed on the back side of the suction grille 9. Then, the slide-type lock piece 101 is slidably fixed to the boss portion 102 with a screw 105 via a washer 103.
[0024]
The slide-type lock piece 101 is made of resin and has a substantially rectangular shape. An elongated screw hole 101a is formed substantially in the center of the slide lock piece 101.
[0025]
In addition, a knob 106 used by the operator when sliding the slide-type lock piece 101 in the direction of arrow A is provided on the lower surface of the slide-type lock piece 101 so as to protrude downward from the knob hole 9c of the suction grill. Have been.
[0026]
Further, a bending piece 101c is formed on both sides of the sliding lock piece 101 so that one end becomes a free end 101b.
[0027]
Further, a rib 107 is formed on a portion of the slide-type lock piece 101 where the flexible piece 101c is not formed, to abut against the bar 9a of the suction grill 9 and prevent rattling when sliding on both sides.
[0028]
An engagement protrusion 101d is provided on a free end 101b of the flexible piece 101c so as to be able to engage with an engagement notch 9b formed in a bar 9a of the suction grille 9.
[0029]
The flexure piece 101c bends when the operator grasps the knob 106 and slides the slide-type lock piece 101 in the direction of arrow A from the state shown in FIG. As a result, the engagement projection 101d engaged with the engagement notch 9b on the peripheral side of the suction grill 9 climbs over the side wall of the engagement notch 9b, and comes into contact with the bar 9a of the suction grill 9. When the slide lock piece 101 is further slid in the direction of arrow A, the engagement protrusion 101d is engaged with the engagement notch 9b on the center side of the suction grille 9 again by the elastic force of the bending piece 101c. At this time, a click sound is generated, and the operator can obtain a so-called click feeling in operation.
[0030]
By the way, when transporting the air-conditioning apparatus, it is desirable to fix the slide-type lock piece 101 so that the suction grille 9 does not accidentally open during transport. Therefore, a slide screw hole (not shown) is provided in the slide lock piece 101, and the slide lock piece 101 is firmly fixed to the suction grille 9 by a lock screw (not shown) with the slide lock piece 101 protruding. Have been to be. Accordingly, it is possible to prevent a trouble such as the slide-type lock piece 101 coming out of the locking portion (hole) 35 of the decorative panel 7 during the transportation.
[0031]
According to the present embodiment, the slide-type lock piece 101 is fixed to the boss portion 102 only by using the washer 103 and the screw 105. Therefore, it is not necessary to use so-called special parts, and the number of parts is reduced. As a necessary minimum, manufacturing cost and manufacturing time can be reduced.
[0032]
In addition, since the flexure piece 101c for providing a click feeling in operation is provided on the side of the slide lock piece 101c, the thickness of the slide lock device 100 can be suppressed and the thickness can be reduced.
[0033]
Further, since no cutouts are provided for the bars 9a, 9a of the suction grill 9, even if the slide-type locking device 100 is removed from the suction grill 9, no cuts are formed in the bars 9a, 9a of the suction grill 9. Even if it is not necessary to mount the slide lock device 100, the same type of suction grille 9 can be used.
[0034]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, since the number of parts of a slide-type locking device is minimized and assembling is also easy, manufacturing cost and manufacturing labor can be reduced.
[0035]
In addition, it is possible to reduce the thickness of the slide lock device and, consequently, the thickness of the air conditioner.
[Brief description of the drawings]
FIG. 1 is a sectional view of an air conditioner of an embodiment.
FIG. 2 is a perspective view showing a state in which a suction grill is opened.
FIG. 3 is a front view of the periphery of the slide lock device.
FIG. 4 is a side sectional view of the periphery of the slide lock device.
FIG. 5 is an end view of a sliding lock piece.
[Explanation of symbols]
7 Makeup panel 9 Suction grill 9a Bar (guide)
35 Locking part 50 Air conditioner 100 Sliding lock device 101 Sliding lock piece 101a Screw hole 101b Free end 101c Flexure piece 102 Boss part 103 Washer 105 Screw 106 Knob part 107 Rib

Claims (5)

A sliding lock device that slides along a guide formed on a suction grill detachably fixed to a decorative panel, and a part of the suction grill is provided so as to protrude from a side surface of the suction grill into a locking portion of the decorative panel. And
A sliding lock piece slidably supported via a screw on a boss formed on the suction grill,
A bending piece formed on the side of the sliding lock piece,
An engagement projection that engages the guide at a free end of the flexure;
A sliding lock device comprising: The sliding lock device according to claim 1,
The boss is provided one for each sliding lock device,
A screw hole for inserting the screw is provided substantially at the center of the slide-type lock piece.
A slide type lock device characterized by the above-mentioned. The sliding lock device according to claim 1 or 2,
A slide lock device, wherein the slide lock piece is provided with a rib abutting on the guide. A decorative panel,
A suction grille hinged to the decorative panel;
A sliding lock device according to any one of claims 1 to 3,
Part of the sliding lock piece is locked to a locking portion of the decorative panel,
An air conditioner characterized by the above-mentioned. The air conditioner according to claim 4,
The air conditioner, wherein the guide is formed as a crosspiece of the suction grill.

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