JPH0933062A - Suction grill support structure for air conditioner - Google Patents

Abstract

(57) 【Abstract】 PROBLEM TO BE SOLVED: To make the structure of both left and right sides of a suction grille symmetrical so that both pin members can serve as hinge points, thereby avoiding the restriction due to the directionality at the time of attaching and detaching the suction grille and at a high place Improve the workability of attaching and detaching the suction grille. SOLUTION: A suction grill is provided in an opening (6a) of a decorative panel (6).
(9) Attach a pair of left and right pin members (6
d), (6d) and engaging grooves (23), (24) for engaging both pin members
And first and second engaging members (21), (22) having
One of the pin members is first disengaged from the engagement groove, and the other pin is released from the engagement or engagement state of the one pin member. Openings (23d) and (24d) are provided to allow the member to engage with or disengage from the remaining engagement groove. The suction grille is formed by using the engagement grooves of the first and second engagement portions as the fulcrum with the engagement pin member that is engaged with the engagement groove first or the engagement pin member that is disengaged later. It is formed symmetrically so as to be supported rotatably.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suction grill support structure for an air conditioner, and more particularly to a structure in which a suction port is formed in a lower portion of a casing of the air conditioner.

[0002]

2. Description of the Related Art Generally, at least a utilization side heat exchanger and a fan are provided in a casing of an air conditioner such as a ceiling-embedded type air conditioner, and the lower surface of the casing is arranged substantially parallel to the ceiling surface. A support frame is provided, and an air outlet for blowing out conditioned air in the casing is provided outside the support frame, while a suction grill is provided inside the support frame. In addition, at both ends of the suction grille, there are provided support means for detachably supporting the both ends with respect to the support frame.

The supporting means is, for example,
As disclosed in Japanese Patent Application Laid-Open No. 3-125827, one side (left side) in the left-right direction of both ends of the suction grill that is long in the front-rear direction.
And a first engaging portion having a substantially L-shaped cutout groove whose one end (right end) is opened upward, and the other side (right side) of the suction grill, which has a long diameter in the left-right direction. A second engaging portion having a hole; and a bolt-shaped pin member having a base portion fastened to both left and right side portions on both front and rear sides of the support frame by screwing, and a tip portion inserted into the cutout groove or the long hole. The one provided is conventionally known. Further, when the suction grill is attached, the pin member on the long hole side (second engagement portion side) is temporarily fixed and the pin member is inserted into the long hole to be engaged, and then the cutout groove side ( The pin member (on the first engaging portion side) is temporarily fixed, and the pin member on the long hole side is used as a hinge point of the suction grille to engage the pin member from the right end of the notch groove by inserting the pin member. The suction grill is attached by fixing both the pin members in a state where the suction grill is moved to the right side so that the pin member is moved to the left end of the cutout groove. On the other hand, when removing the suction grille, loosen both pin members to temporarily fix them, and then move the suction grille to the left side so that the pin member in the cutout groove moves to the right end. By removing the pin member from the right end of the groove and rotating the suction grill with the pin member in the elongated hole as the hinge point, the suction grill can be removed in a state that allows maintenance inside the suction grill. .

[0004]

However, in the above-mentioned conventional supporting means, the first engaging portion and the second engaging portion have a structure in which the pin member serves as a hinge point on both left and right sides of the suction grill. Since it is distinguished from the structure in which the pin member can be removed, it is necessary to identify the left and right direction of the suction grill when attaching and detaching the suction grill, and the operator must pay attention to the direction of the suction grill. The work of attaching and detaching the grill will be restricted. Moreover, since the air conditioner is installed at a high place such as the ceiling, it is necessary to retake the suction grill when the suction grill is installed in the wrong direction. If it is wrong, it is necessary to reassemble the scaffolding, which deteriorates workability when attaching and detaching the suction grill.

The present invention has been made in view of the above points, and an object of the present invention is to make the left and right side portions of the suction grille symmetrical so that both pin members can serve as hinge points. It is intended to avoid the restriction due to the directionality of the suction grill during desorption work and to improve the workability of the suction grill desorption at high places.

[0006]

[Means for Solving the Problems] In order to achieve the above-mentioned object, a solution means provided by the invention as set forth in claim 1 is as a suction grill supporting structure of an air conditioner, in which at least a use side heat exchanger (4) is provided inside. Casing with fan and fan (3)
A support frame (7) is provided at the lower part of (2), and a suction grill (9) is provided inside the support frame (7).
On the premise of the air conditioner (1), which is provided with support means (10) for detachably supporting the both ends of the support frame (7) at both ends of (9), the above-mentioned support means (10) The above support frame
(7) and the suction grille (9), and a pair of left and right pin members (6d), (6
d) and a pair of left and right first and second engaging portions provided on the other side and having engaging grooves (23), (24) for engaging with and supporting the pin members (6d), (6d). It is composed of (21) and (22). Then, the engaging groove (2) of the first and second engaging portions (21), (22) is
3), (24), and both pin members for their engaging grooves (23), (24).
One of the pin members (6d) of (6d) and (6d) is first disengaged from the engaged or engaged state and the other pin member (6d) is disengaged from the engaged or engaged state. Openings (23d), (24d) are provided for allowing the other pin member (6d) to be engaged or disengaged from the remaining engaging grooves (23), (24) after being engaged. Furthermore, the engaging grooves (23) and (24) of the first and second engaging portions (21) and (22) are engaged with the engaging grooves (23) and (24) first. The engaged pin member (6d) or the engaging groove (23), (2
4) The pin member (6
The suction grille (9) is formed symmetrically so that the suction grille (9) is rotatably supported with the d) as a fulcrum.

With this configuration, in the invention according to claim 1, when the suction grill (9) is attached from the left side, the left pin member (6d) is provided with the engaging groove (23) of the first engaging portion (21). Hole in
This pin member on the left side after being engaged first through (23d)
Rotate the right side of the suction grille (9) upward with (6d) as a fulcrum, and insert it into the engaging groove (24) of the second engaging portion (22) through the opening (24d) to the right pin. The suction grille (9) is attached to the inside of the support frame (7) by engaging the member (6d). Also, when installing the suction grille (9) from the right side,
(6d) is first engaged in the engaging groove (24) of the second engaging portion (22) through the opening (24d), and then the right pin member (6d) is used as a fulcrum. Pivot the left side of the suction grill (9) upwards,
By engaging the left pin member (6d) into the engaging groove (23) of the first engaging portion (21) through the opening (23d), the suction grille (9)
Is attached.

On the other hand, when removing the suction grille (9) from the left side, the left pin member (6d) is attached to the engaging groove of the first engaging portion (21).
After the hole (23d) is removed from the inside of (23) first, the second
By rotating the right side of the suction grill (9) downward with the remaining right pin member (6d) in the engagement groove (24) of the engagement portion (22) as a fulcrum, the suction grill (9) is rotated downward. The suction grille (9) is removed so that the inside of the (9) can be maintained. When removing the suction grille (9) from the right side, the pin member (6d) on the right side is opened from the inside of the engaging groove (24) of the second engaging portion (22).
After being first disengaged via the (24d), the suction grill (using the remaining left pin member (6d) in the engagement groove (23) of the first engagement portion (21) as a fulcrum. By rotating the left side of 9) downward, the suction grille (9) is removed so that the inside of the suction grille (9) can be maintained.

As described above, the first and second engaging portions (21),
Engagement grooves (23) and (24) of (22) are formed symmetrically so that the installation and removal of the suction grille (9) can be done from the left and right in the same working procedure. So when removing the suction grille (9), the suction grille (9)
It is not necessary to identify the left and right direction of the suction grille (9), and the worker can attach and detach the suction grille (9) without worrying about the directionality of the suction grille (9). Moreover, it is not necessary to take the suction grille (9) again when installing the suction grille (9), and it is not necessary to reassemble the scaffolding when removing the suction grille, and the suction grille (9) can be smoothly attached and detached at a high place. .

The solution taken by the invention according to claim 2 is as follows.
Both pin members (6d), (6d) and the first of the invention according to claim 1
And the second engaging portions (21) and (22) are specified, and both pin members (6
d) and (6d) are provided so as to project inward in the front-rear direction from both left and right sides of the front and rear sides of the support frame (7), while the first and second engaging portions (21) and (22) are provided. The configuration is provided in (9).

With this configuration, in the invention according to claim 2, the first and second engaging portions (2) having the engaging grooves (23) and (24) are provided.
1) and (22) are provided on the side of the suction grille (9) where there is enough space, so that the support means (10) can be smoothly arranged.

The solution taken by the invention according to claim 3 is as follows.
The first and second engaging portions (21) and (22) of the invention according to claim 1 or 2 are specified, and scratches at the time of engaging (inserting) and detaching the pin member are prevented. It is also intended to do so, specifically, the support frame (7) and the suction grill.
It is configured by molding with a resin material that can be attached to either one of (9).

With this configuration, in the invention according to claim 3, the pin member (6d) is scratched or the like when the pin member (6d) is engaged with or disengaged from the engagement grooves (23), (24). Is reliably prevented.

Further, the solution means taken by the invention of claim 4 is, in addition to the constitutional requirements of the invention of claim 1, claim 2 or claim 3, the engagement groove of the pin member which can be engaged. The purpose is also to increase the strength.Specifically, the vertical groove (21) that closes the inner ends of the engagement grooves (23) and (24) in the front-rear direction.
The structure is formed into a bag shape by b) and (22b).

With this structure, in the invention according to claim 3, the engaging grooves (23), (24) are effectively reinforced by the vertical walls (21b), (22b), and the engaging grooves (23), (24). Although the holes (23d) and (24d) are provided in (24), the first and second engaging portions (21) and (2
The rigidity strength of 2) is increased.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings. FIG. 7 is a perspective view of the ceiling-embedded air conditioner (1) according to this example as viewed from the indoor side, and FIG. 8 is an enlarged view of a cross section taken along line YY in FIG. 7. As shown in FIG. 8, the air conditioner (1) is inserted and arranged in the opening (H) formed in the ceiling (R), and the main casing (2) (casing) that opens downward is the ceiling. It is installed in the back space (S). The main casing (2) is composed of a rectangular top plate (2a) long in the front-rear direction (front side in FIG. 8) and short in the left-right direction (right-left direction in FIG. 8) and an outer edge portion of the top plate (2a). And a side plate (2b) extending downward. A blower (3) (fan) is arranged in the center of the main body casing (2). The blower (3) is composed of a sirocco fan having a shaft extending in the front-rear direction, and the fan rotor is rotated by the driving force of a fan motor (not shown), and the air sucked from the side is discharged upward. Also this blower
Heat exchangers (4), (4) (use side heat exchanger) around the outside of (3)
Are arranged. This heat exchanger (4) is connected to an outdoor unit (not shown) via a refrigerant pipe, and functions as an evaporator during cooling operation and as a condenser during heating operation.
The temperature of the air is adjusted by exchanging heat with the air discharged from (3). Further, a drain pan (5) is arranged below the heat exchanger (4), and the heat exchanger (4) is installed during cooling operation.
Condensed water generated in 1 is collected and discharged as drain.

Also, as shown in FIG. 6, a decorative panel (6) having an opening (6a) in the center is provided at the lower end of the main body casing (2). Opening (6) of the decorative panel (6)
A support frame (7) is provided on the periphery of (a), and temperature adjustment is performed inside the main casing (2) on both left and right sides of the decorative panel (6) that is located outside the support frame (7) in the left-right direction. Blow-out openings (6b) (6b) for blowing out the generated air are provided extending in the front-rear direction. Each of the outlets (6b) is an inner member that extends in parallel with an outer member (8a) that forms the outer edge of the decorative panel (6) and an inner position that is spaced apart from the outer member (8a) by a predetermined distance. It is formed between (8b). On the other hand, a plate-shaped suction grille (9) is provided inside the support frame (7), that is, in the opening (6a), and this suction grille (9) has a gap on the left and right sides of the support frame (7). It is designed to be installed at the left-right balance position (the state shown in Fig. 7) that balances in the left-right direction inside the opening (6a), and this gap is before and after sucking indoor air into the main casing (2). It is configured as a suction port (6c) that is long in the direction. In addition, the suction grille (9) should be placed between the inside of the support frame (7) in the front-rear direction and the front and rear ends of the suction grille (9).
Support means (10), (10) for detachably supporting the support frame (7)
Is provided. The suction grille (9) is arranged at a height substantially parallel to the ceiling (R) and arranged in parallel. further,
A horizontal blade (11) is rotatably disposed at the center of each of the air outlets (6b) so as to change the direction of air-conditioned air blown from each of the air outlets (6b) into the indoor space. ing. The horizontal blade (11) is made of a resin plate material that is long in the front-rear direction, and is a so-called streamline blade whose outer edge is curved in an arc shape.

As shown in FIGS. 1 and 5, the support means (10) is a pair of left and right pin members which project inward in the front-rear direction from both left and right positions on both front and rear sides of the support frame (7). (6d) and (6d) are attached to the upper four corners of the suction grille (9) with screws (20), and the suction grille (9) is located at the left-right balanced position in the opening (6a) of the decorative panel (6). Engaging groove (23), (2) that engages both pin members (6d), (6d) when
4) a pair of left and right first and second engaging members (21), (22)
(First and second engaging portions). The first and second engaging members (21), (22) have a substantially triangular shape in a plan view and are made of a synthetic resin material.
Further, the engagement grooves (23), (24) are the first and second engagement members.
Engagement groove portions (23a) and (24a) extending in the left and right directions on the outer portions (21a) and (22a) of (21) and (22) and the outer portions (21a) and (22a)
The guide grooves (23b) and (24b) extending in the left-right direction at the lower part of the above, and the guide grooves (2b) and the inner side ends of the engaging grooves (23a) and (24a).
Communication holes (23b) that connect the left and right outer ends of (3b) and (24b)
c) and (24c) are provided. The engaging groove portions (23a), (24a)
, Guide grooves (23b), (24b) and communication holes (23c), (24c)
The first and second engaging members (2) so that the protruding portion of the pin member (6d) is engaged or guided in the front-rear direction without leakage.
It is formed on the outer portions (21a) and (22a) of (1) and (22) over substantially the entire width in the front-rear direction. In addition, the guide groove (2
3b) and (24b) are the projections of the pin member (6d) inserted through the openings (23d) and (24d), which will be described later, along with the movement of the suction grille (9) into the engagement groove (23a), Inner end of (24a), that is, communication hole (23c),
The guide grooves (23b) and (24b) corresponding to the lower side of (24c) are guided to the outer ends.

At the inner ends of the guide grooves (23b) and (24b),
One of the pin members (6d), (6d) is engaged with or disengaged from the engagement groove (23), (24) first, and After the one pin member (6d) is engaged or released from the engaged state, the other pin member is released.
Opening holes (23d) and (24d) for opening (6d) into the engaging grooves (23) and (24) remaining in the engaged or disengaged state are provided so as to open upward. Then, the first and second engaging portions (2
The engaging grooves (23) and (24) of 1) and (22) are the engaging grooves (23) on the left and right sides of the engaging grooves (23) and (24) when the suction grille (9) is attached.
(Or (24)) engages only one side in the left-right direction of the suction grille (9) by engaging it first, or the pin member (6d) in one side in the left-right direction, or the suction grille (9) When the pin member (6d) is first disengaged from the engaging groove (23) (or (24)) on one side in the left-right direction of the engaging grooves (23) and (24) when removing the suction grill (9 ) Is formed symmetrically so as to rotatably support the suction grille (9) with a pin member (6d) on the other side in the left and right direction that engages only the other side in the left and right direction. That is, the suction grille (9) is
One of the pin members (6d) of (d) and (6d)
3) and (24), the pin member (6
It is rotatably supported with d) as a fulcrum.

An air filter (26) is provided in the main casing (2) at a position facing the suction ports (6c), (6c) to prevent dust from entering the main casing (2). are doing. Then, the conditioned air generated in the heat exchanger (4) is supplied to the indoor space by the respective outlets (6b). In this way, the suction port (6c),
Air filter (26), blower (3), heat exchanger (4), outlet
An air flow passage (A) is formed across (6b). In this case, during air conditioning operation, the blower (3) is driven and the suction port (6
Room air sucked from b) into the body casing (2) is
After passing through the air filter (26) and the blower (3) to the heat exchanger (4), heat is exchanged with the refrigerant in this heat exchanger (4) to adjust the temperature (for cooling operation). Is cooled and heated in heating operation), and the temperature-controlled air-conditioned air is blown out from the air outlet (6d) into the indoor space to perform air conditioning of the indoor space.

Further, as shown in FIG. 1, the engaging grooves (23), (24) are formed in the first and second engaging members (21), (22).
Vertical walls (21b), (22b) are provided for restricting the pin member (6d) from coming out from the inside in the front-rear direction. The vertical wall (21b), (2
2b) are engagement grooves (23), (24) (engagement grooves (23a), (24a) and guide grooves (23b), (23b)) at the front and rear inner ends of the outer parts (21a), (22a). )) Is erected so as to close the inner end in the front-rear direction, and the engagement grooves (23) and (24) are formed in a bag shape by the vertical walls (21b) and (22b).

Next, the procedure for attaching and detaching the suction grille (9) will be described with reference to FIGS.

First, the case of attaching the suction grille (9) will be described. When the suction grille (9) is attached from the left side, the inner end portion of the guide groove portion (23b) of the first engaging member (21) is , The left side of the suction grille (9) is moved upward so that the protruding part of the pin member (6d) is opened in a state where it corresponds to the lower part of the protruding part of the left pin member (6d) of the decorative panel (6). Insert it into the guide groove (23b) through the hole (23d), and in this state, suck the grill.
(9) is moved rightward so that the protruding portion of the pin member (6d) is located at the outer end of the guide groove (23b), that is, the communication hole (23) of the engaging groove (23).
After guiding to the position corresponding to the lower part of c), suction grille (9)
Release the left side of the
The protrusion of (d) engages in the engaging groove (23a) through the communication hole (23c), and the pin member (6d) precedes the engaging groove (23) of the first engaging member (21). Engage. Then the suction grille (9)
To the right to move the pin member (6d) in the engaging groove (23a).
Is moved to the outer end and the pin member (6d) is used as a fulcrum at this position to lift the right side portion of the suction grill (9) upward (state shown in FIG. 4), the second engaging member (24) Guide groove (24b)
The protruding part of the pin member (6d) on the right side of the decorative panel (6) is inserted through the opening (24d) at the inner edge of the suction grill in this state.
(9) is moved to the left to guide the protrusion of the pin member (6d) to the outer end of the guide groove (24b), and then the suction grill.
By releasing the right side of (9) and dropping it by its own weight,
The protrusion of the pin member (6d) is engaged with the engaging groove through the communication hole (24c).
The pin member (6d) is engaged at the next point with the engagement groove (24) of the second engagement member (22) (the state shown in FIG. 2). In this state, both pin members (6d) and (6d) are positioned at the innermost ends in the engaging groove parts (23a) and (24a), and the suction grille (9) is located in the left and right direction inside the opening (6a). Mounted in a balanced position.

On the other hand, when the suction grille (9) is attached from the right side, the inner end portion of the guide groove portion (24b) of the second engaging member (22) is attached to the pin member (6d) on the right side of the decorative panel (6). The right side of the suction grille (9) is moved upward so that the protrusion of the pin member (6d) is inserted into the guide groove (24b) through the opening (24d). Insert it, in this state, suction grill
(9) is moved to the left so that the protruding portion of the pin member (6d) is located at the outer end of the guide groove portion (24b), that is, the communicating hole (24) of the engaging groove (24).
After guiding to the position corresponding to the lower part of c), suction grille (9)
Release the right side of the
The protrusion of (d) engages in the engagement groove (24a) through the communication hole (23c), and the pin member (6d) precedes the engagement groove (24) of the second engagement member (22). Engage. Then the suction grille (9)
To the left to move the pin member (6d) in the engaging groove (24a).
Is moved to the outer end and the pin member (6d) is used as a fulcrum at this position to lift the left side portion of the suction grill (9) upward (the state shown in FIG. 3), the first engaging member (21) Guide groove (23b)
The protruding part of the pin member (6d) on the left side of the decorative panel (6) is inserted through the opening (23d) at the inner edge of the suction grill in this state.
(9) is moved to the right to guide the protruding part of the pin member (6d) to the outer end of the guide groove (23b), and then the suction grill.
By releasing the left side of (9) and dropping it by its own weight,
The protrusion of the pin member (6d) is engaged with the engaging groove through the communication hole (23c).
(23a) is engaged, and the pin member (6d) is engaged with the engagement groove (23) of the first engagement member (21) at the next point (the state shown in FIG. 2). In this state, both pin members (6d) and (6d) are positioned at the innermost ends in the engaging groove parts (23a) and (24a), and the suction grille (9) is located in the left and right direction inside the opening (6a). Mounted in a balanced position.

Next, in order to explain the procedure for removing the suction grille (9), when removing the suction grille (9) from the left side, the left side portion of the suction grille (9) is lifted up and the decorative panel (6) is removed. The protrusion of the left pin member (6d) is disengaged from the engaging groove (23a) of the first engaging member (21) to the outer end of the guide groove (23b) through the communication hole (23c), and then sucked. Move the grill (9) to the left and insert the protrusion of the pin member (6d) into the guide groove (23
Guide to the inside edge of b). At this time, makeup panel (6)
The protruding portion of the pin member (6d) on the right side is engaged with the engaging groove portion (24a) of the second engaging member (22), and the left side portion of the suction grille (9) should be slowly lowered. The protruding portion of the pin member (6d) on the left side of the decorative panel (6) is the guide groove portion (2) of the first engaging member (21).
3b) It is removed from the inside through the opening (23d) in advance, and the protruding portion of the pin member (6d) on the right side of the decorative panel (6) is the second.
The engaging grille (9) moves to the outer end in the engaging groove (24a) of the engaging member (22), and the suction grille (9) has its left side downward with the pin member (6d) in the engaging groove (24a) as a fulcrum. Rotate to and remove the suction grille (9) in a condition that allows maintenance.

On the other hand, when removing the suction grille (9) from the right side, the right side portion of the suction grille (9) is lifted up and the protruding portion of the pin member (6d) on the right side of the decorative panel (6) is moved to the second engagement. After the engaging groove (24a) of the mating member (22) is disengaged from the outer end of the guide groove (24b) through the communication hole (24c), the suction grille (9) is moved to the right to move the pin member. Insert the protrusion of (6d) into the guide groove (2
Guide to the inside edge of 4b). At this time, makeup panel (6)
The protruding portion of the left pin member (6d) is engaged in the engaging groove portion (23a) of the first engaging member (21), and the right side portion of the suction grille (9) should be slowly lowered. Then, the protruding portion of the pin member (6d) on the right side of the decorative panel (6) is the guide groove portion (2) of the second engaging member (22).
4b) It is removed from the inside through the opening (24d), and the protrusion of the pin member (6d) on the left side of the decorative panel (6) is the first.
The inside of the engaging groove (23a) of the engaging member (21) moves to the outer end, and the suction grille (9) has its right side downward with the pin member (6d) in the engaging groove (23a) as a fulcrum. Rotate to and remove the suction grille (9) in a condition that allows maintenance.

Thus, in the above embodiment, the suction grill
One of the left and right sides of the (9) first engaging member (2
By engaging or disengaging the protrusion of the pin member (6d) with respect to the engaging groove (23) of (1) or the engaging groove (24) of the second engaging member (22), the first engaging member Pin member (6 in the engaging groove (23) of (21)
d) or the pin member (6) in the engaging groove (24) of the second engaging member (22)
The first and second engaging members (21) of the suction grille (9) are arranged so that the suction grille (9) rotates around the fulcrum as a fulcrum and the suction grille (9) is attached and detached from either the left or right side. , (22) engaging groove (2
Since 3) and (24) are formed symmetrically so that the left and right are not distinguished, it is not necessary to identify the left and right direction of the suction grill (9) when attaching and detaching the suction grill (9). It is possible to avoid the restriction of the detaching work that is concerned about the sex. Moreover, it is not necessary to take the suction grille (9) again when installing the suction grille (9), and there is no need to reassemble the scaffolding when removing the suction grille, improving the workability of attaching and removing the suction grille (9) at high places. Can be planned.

The first and second engaging members (21), (22)
Is provided on the suction grille (9) side, which has a sufficient space, so that the support means (10) can be smoothly arranged. Moreover, the first and second engaging members (21), (2
2) is molded with a synthetic resin material, so the pin member
It is possible to surely prevent the engagement grooves (23) and (24) from being disengaged from the (6d) at the time of engaging and disengaging.

Further, the vertical walls (21b), (22b) for restricting the longitudinal separation of the pin member (6d) from the inside of the engagement grooves (23), (24).
Is the outer portion (21) of the first and second engaging members (21), (22).
(a), (22a) in the front-rear direction inner end of the engaging groove (23a), (24
a) and the guide grooves (23b), (24b) are erected upright, and the engaging grooves (23), (24) are formed in a bag shape by the vertical walls (21b), (22b). , The engaging grooves (23), (24) have vertical walls (21b), (2
2b) is effectively reinforced with the first and second engaging members (21), despite the openings (23d), (24d) being provided.
It is possible to improve the rigidity strength of (22).

In the above-mentioned embodiment, the case where the present invention is applied to the ceiling-embedded air conditioner (1) has been described.
The present invention is not limited to this, and can be applied to an air conditioner such as a ceiling hanging type. Further, in the above embodiment, both pin members (6d), (6d) are provided on the support frame (7) side, and first and second engaging members (21), (22) are provided on the suction grille (9) side. However, both pin members are provided so as to project in the front-rear direction from both left and right positions of the front and rear side portions facing each other on the suction grill side, while the first and second engaging members are provided on the support frame side. good. Further, in the above embodiment, the support frame (7) is provided on the decorative panel (6), but the support frame may be provided at the lower end of the main body casing.

Further, in the above embodiment, the suction grille (9)
Was removed so that the inside of the suction grill (9) could be maintained, that is, the pin member (6d) was disengaged from one of the engaging members (21), (22). ), (2
Alternatively, the pin members (6d) and (6d) may be separated from (2) so that the suction grill (9) can be removed from the support frame (7). In that case, the procedure for removing the suction grille (9) is the same regardless of whether the suction grille (9) is removed from the left or right, so only the removal of the suction grille (9) from the left side will be described. First, the left side of the suction grille (9) is lifted upward so that the protruding portion of the pin member (6d) on the left side of the decorative panel (6) is connected to the communicating hole (23a) of the first engaging member (21) through the communicating hole (23a). After the guide grille (23b) is disengaged from the inside end of the guide groove (23b) via 23c), the suction grille (9) is moved leftward to move the pin member (6d) to the inside end of the guide groove (23b). Then, move the left side of the suction grille (9) downward to a position where the pin member (6d) does not interfere with the first engaging member (21), and in this state, move the suction grille (9) to the right side. Then, the protruding portion of the pin member (6d) on the right side of the decorative panel (6) is connected to the engaging groove portion (2) of the second engaging member (22).
Move to the inside edge of 4a). Then, this time, the right side of the suction grille (9) is lifted upward to disengage the pin member (6d) in the engagement groove (24a) from the outer end of the guide groove (24c) through the communication hole (23c). Then move the suction grill (9) to the right to move the pin member (6d) to the inner end of the guide groove (24c), and lower the right side of the suction grill (9) to support it. The suction grille (9) is removed from the frame (7).

Further, in the above embodiment, the first and second engaging members (21), (22) are molded by the synthetic resin material.
As shown in FIG. 10 and FIG. 10, the front and rear edges of the support frame (7) are L-shaped metal plates (31) with a substantially L-shaped cross section extending in the left-right direction.
And a U-shaped metal plate (33) having a substantially U-shaped cross section, which is fixed to the left and right sides of the L-shaped metal plate (31) by rivets (32) and spot welding (a portion surrounded by a circle in FIG. 10). ) And the first and second engaging portions (34), (35) made of metal together with the U-shaped metal plate (33) on both left and right sides of the L-shaped metal plate (31).
May be formed. The other structure except the front and rear edges of the support frame (7) is the same as that of the above embodiment, and the same portions are denoted by the same reference numerals and detailed description thereof is omitted.

Further, the first and second engaging portions may be made of synthetic resin integrally formed with the suction grill.

[0034]

As described above, according to the suction grille support structure of the air conditioner of the present invention, the engaging groove of the first or second engaging portion is engaged with the engaging groove. Since the suction grill is rotatably supported with one pin member or the other pin member in the mating state as a fulcrum, it is formed symmetrically, so it is possible to avoid the restriction due to the directionality when the suction grill is attached or detached. , It is possible to improve the workability of attaching and detaching the suction grill at a high place.

According to the suction grill support structure of the air conditioner of the second aspect of the invention, the first and second engaging portions are provided on the suction grill side having a sufficient space so that the support means can be smoothly operated. Can be placed at.

According to the suction grille support structure of the air conditioner of the third aspect of the present invention, since the first and second engaging portions are made of resin material, when the pin member is engaged with the engaging groove, It is possible to reliably prevent scratches and the like at the time of detachment.

Further, according to the suction grille support structure of the air conditioner of the invention as set forth in claim 4, the engagement groove is formed by a vertical wall for restricting the longitudinal separation of the pin member from the engagement groove. Since it is formed in a shape, the strength of the engaging groove can be increased without lowering the rigidity strength of the first and second engaging portions due to the opening of the engaging groove.

[Brief description of drawings]

FIG. 1 is a perspective view of a front portion of a suction grill according to an embodiment of the present invention as viewed obliquely from above.

FIG. 2 is a vertical cross-sectional front view showing a supporting state of the suction grill with respect to the support frame at the left-right balanced position.

FIG. 3 is a vertical cross-sectional front view of the suction grill showing a state where the first engagement member is disengaged from the support frame.

FIG. 4 is a vertical cross-sectional front view of the suction grill showing a state where the second engagement member is disengaged from the support frame.

FIG. 5 is a sectional view taken along line XX in FIG. 2;

FIG. 6 is a perspective view of the air conditioner as seen from obliquely below in a state where the first engagement member is disengaged.

FIG. 7 is a perspective view of the ceiling-embedded air conditioner seen from the indoor side.

8 is a cross-sectional view taken along the line YY in FIG.

FIG. 9 is a front view of a suction grill according to a modified example of the embodiment.

10 is a cross-sectional view taken along line ZZ in FIG.

[Explanation of symbols]

 (1) Ceiling embedded air conditioner (air conditioner) (2) Main body casing (casing) (3) Blower (fan) (4) Heat exchanger (use side heat exchanger) (6d) Pin member (7 ) Support frame (9) Suction grill (10) Support means (21) First engaging member (first engaging portion) (22) Second engaging member (second engaging portion) (21b), (22b) Vertical wall (23), (24) Engagement groove (23d), (24d) Opening hole (34) First engaging part (35) Second engaging part

Claims (4)

[Claims] 1. A support frame at the bottom of a casing (2) having at least a utilization side heat exchanger (4) and a fan (3) inside.
(7) is provided, and the suction grille (9) is provided inside the supporting frame (7).
In the air conditioner (1), both ends of the suction grille (9) are provided with supporting means (10) for removably supporting the both ends on the support frame (7). The supporting means (10) includes the supporting frame (7) and the suction grill.
A pair of left and right pin members (6d), (6d) provided in either one of (9) and projecting in the front-rear direction from both left and right sides of the front and rear sides facing each other, and provided in the other, A pair of left and right first and second engaging portions having engaging grooves (23), (24) for engaging and supporting both pin members (6d), (6d)
(21) and (22), and the engaging grooves (23) and (2) of the first and second engaging portions (21) and (22).
4) has two pin members (6) for the engaging grooves (23), (24).
One of the pin members (6d) of (d) and (6d) is first disengaged from the engaged or engaged state, and the other pin member (6d) is disengaged from the engaged or engaged state. After that, the other pin member (6d) is provided with openings (23d) and (24d) for engaging and disengaging the remaining engagement grooves (23) and (24), respectively. The engaging grooves (23), (2) of the first and second engaging portions (21), (22)
4) is the pin member (6d) in the engaged state that is engaged with the engaging grooves (23), (24) first, or is disengaged later with respect to the engaging grooves (23), (24). A suction grill support structure for an air conditioner, which is symmetrically formed so as to rotatably support the suction grill (9) with the pin member (6d) in the engaged state as a fulcrum. 2. The pin members (6d), (6d) are provided so as to project inward in the front-rear direction from both left and right positions on both front and rear sides of the support frame (7), while the first pin members (6d, 6d) are provided. The suction grill support structure for an air conditioner according to claim 1, wherein the second engaging portions (21), (22) are provided on the suction grill (9). 3. The first and second engaging portions (21), (22)
The suction grille support structure for an air conditioner according to claim 1 or 2, wherein the resin is molded from a resin material that can be attached to either one of the support frame (7) and the suction grille (9). . 4. The bag according to claim 1, wherein the engagement grooves (23), (24) are formed in a bag shape by vertical walls (21b), (22b) that close the inner ends of the engagement grooves in the front-rear direction. Alternatively, the suction grille support structure of the air conditioner according to claim 3.