JP2666671B2 - Air conditioner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner installation means.

[0002]

2. Description of the Related Art FIG. 12 and FIG.
BRIEF DESCRIPTION OF THE DRAWINGS It is the whole indoor unit perspective view of an example of the conventional air conditioner disclosed by 114416 publication, and the perspective view of an upper attachment / detachment part. In the figure, reference numeral 1 denotes an outer box of an indoor unit, on which a protruding piece 2 is provided continuously over the entire circumference. Reference numeral 3 denotes a top surface, which has a plurality of insertion holes 5 in which the engaging pieces 4 and the protruding pieces 2 are cut out. Reference numeral 6 denotes a front panel having a front surface provided with a suction port 7, an air outlet 8, and a mounting hole 9. The top surface 10 is provided with the same number of protrusions 11 as the engagement pieces 4 that engage with the engagement pieces 4 of the outer box 1, and has a hook 12 at the tip thereof. FIG. 14 is a sectional view showing the engagement of the upper detachable portion.

Next, the operation of the above configuration will be described. The front panel 6 is inserted slightly into the insertion hole 5 of the outer case 1 and the hook 12 is hooked on the engagement piece 4 while the front panel 6 is slightly inclined downward and obliquely as shown in the sectional view of FIG. The front panel 6 is fixed to the outer case 1 by screwing using the mounting holes 9.

[0004] To remove the front panel 6, first remove a mounting screw (not shown), and lift the lower part of the front panel 6 forward.
When the top panel 10 is removed from the engagement piece 4, the fixing of the top surface 10 to the outer box 1 is released, and the front panel 6 can be removed from the outer box 1. At this time, the hook 12
The lifting margin of the front panel 6 for removing the engagement allowance E dimensions to the engaging piece 4 requires F ₀ dimensions.

FIG. 16, FIG. 17, FIG. 18 and FIG. 19 are an overall perspective view of an indoor unit outer case as an example of a conventional air conditioner disclosed in Japanese Utility Model Laid-Open Publication No. 1-108825, viewed from the back, and piping. It is the detailed perspective view of a drawer | drawing-out part, the perspective view which shows a piping draw-out installation state, and the perspective view which shows the piping draw-out installation state. In each of the figures, reference numeral 1 denotes an outer box of the indoor unit, and a space portion 15 is provided below the rear surface 13 of the outer box 1 so that the refrigerant pipe 14 can crawl in the direction of arrow C. Right wall 1 of outer box 1
In the lower part of FIG. 6, a substantially U-shaped cut hole 17 is formed as shown in FIG.
And a separating notch 18 reaching the edge of the outer wall 16 from both ends.
A cover lid 19 which can be separated from the outer box 1 is formed integrally with the outer box 1. The cover lid 19 is cut and removed by the cut groove 18 to remove the rightward A-direction window of the pipe 14 shown in FIG. A hole 20 is formed. or,
A rib 21 is formed on the inner surface of the closing lid 19, and a boss 22 facing the rib 21 is provided on the inner surface of the outer box 1,
By fastening the ribs 21 to the boss 22 with small screws 23, the separated closing lid 19 is held in the outer box 1, and the opened pipe outlet window hole 20 is closed as shown in FIG. ing.

In the conventional indoor unit constructed as described above, when the pipe 14 connected to the heat exchanger (not shown) is pulled out in the right pulling direction A, the block shown in FIG. The lid 19 is cut from the separating groove 18 and removed from the outer box 1, and a pipe outlet window 20 is formed as shown in FIG. 18, and the pipe 14 is drawn out of the indoor unit through the window 20. . Note that, in FIG.
Indicates a case where the pipe 14 is pulled backward.

When the piping 14 is drawn in the direction of arrow D in FIG. 16 due to a change in the installation location of the indoor unit, the closing lid 19 in the state shown in FIG. The pipe 14 is removed from the outer case 1, and a pipe outlet window 20 is formed as shown in FIG. 19, and the pipe 14 is led out downward D from the window hole 20.

On the other hand, as shown in FIG. 19, a separate closing lid 19 is fitted into a pipe outlet window hole 20 which has become unnecessary due to the transfer of the indoor unit, and a rib 21 is attached to the boss 22 by a small screw 23. Tighten and fix. Thereby, the window hole 2
0 is closed by the closing lid 19. This is the same for the left side wall and the lower side wall of the outer box 1.
In addition, the left side and the lower side have the same coupling mechanism.

[0009]

Since the conventional air conditioner is constructed as described above, when the front panel 6 is mounted / removed, the lower part is lifted forward as shown in FIG. Therefore, take the lift allowance dimension F _0, at the time of actual installation with there has been a problem that it is necessary to take a large only this minute gap from the top surface 10 to the ceiling. In addition, there is a problem that the width of the projection 11 is limited, and the projection 11 largely protrudes from the rear surface of the front panel 6 to be easily damaged.

Alternatively, as shown in FIGS. 18 and 19, the closing lid 19 which has been cut off and removed from the outer box 1 is cumbersome because the user must keep it. When the pipe 14 is pulled out in another direction due to the change of the installation location, there is a problem that the pipe outlet window hole 20 cannot be closed and the appearance is impaired.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and does not require a large gap from the ceiling of the indoor unit to the ceiling.
With the purpose of providing an air conditioner that can be removed and stored in an indoor unit with the closing lid removed by forming a refrigerant pipe outlet window hole without fear of loss and long-term storage. I have.

[0012]

Therefore, according to the present invention, this type of air conditioner is provided with (1) a closing plate for connecting the air path of the indoor unit outer box to the ceiling and a ceiling front. A plurality of indicating arms, each having a groove for engaging with a fitting piece forming an edge, notching a part of the closing plate and having elasticity in the notch portion, and a tip thereof for engaging an engaging piece of a front panel. And a pressing piece for elastically deforming the supporting arm is protruded from the protruding piece provided on the rear edge of the front panel toward the outer box side so as to be located substantially at the center of the supporting arm. (2) In addition, (2) a closing lid is formed in the refrigerant pipe drawing-out portion of the outer box of the indoor unit so as to be separable from the outer box by a cutout hole and a separating groove. And an air conditioner in which the outer box is provided with a coupling mechanism for interconnecting the two. In order to lock and store the closing lid separated from the outer box, a locking claw and a positioning means are provided in an empty space on the back side of the outer box. A substantially Z-shaped pressing portion and a locking claw portion are provided on the mounting plate instead of the locking claw and the positioning means, or (4) the locking claw and the positioning means in the empty space on the back surface of the outer box are replaced. The above object is achieved by providing a locking claw and a step portion in the front panel front empty space 41 below the grill.

[0013]

In the air conditioner according to the present invention as described above, according to the configuration of the above item (1), when the pressing piece pushes down the support arm, the locking claw is lowered below the engaging piece, and the engagement is stopped. Off,
The front panel can be removed without having to particularly increase the dimension of the gap from the top surface to the ceiling.

According to any one of the constitutions (2) to (4), the closing lid for closing the window for the refrigerant pipe which is unnecessary when the indoor unit is relocated can be surely prevented from being lost. Can be stored for a long time.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on a plurality of embodiments. Embodiment 1 FIGS. 1 and 2 show an overall perspective view of a first embodiment of an air conditioner according to the present invention and a perspective view of an upper attaching / detaching portion. In both figures, reference numerals 1 to 12 denote the same (or equivalent) components as those in FIGS. 12 to 19 of the conventional example, and a duplicate description thereof will be omitted. Reference numeral 24 denotes a fitting piece into which a protruding piece 25 provided on the entire peripheral edge of the front panel 6 is fitted and inserted, and the mutually provided receiving surface 24a and the abutting surface 25a are in contact with each other. Reference numeral 26 denotes a closing plate for connecting the air passage 27 and the top surface 3, and a plurality of support arms 28 each having a notch portion and a locking claw 30 with which an engaging piece 29 is engaged at a tip thereof are provided.
The support arm 28 has a bending elasticity because the G dimension in the sectional view of the upper attaching / detaching portion shown in FIG. 3 is, for example, about 30 mm, and is elastically deformed as shown in FIG. It's easier. Reference numeral 31 denotes a groove formed by the closing plate 26 and the fitting piece 24, and reference numeral 32 denotes a pressing piece for deforming the support arm 28 when the front panel 6 is removed as shown in FIG. The outer box 1 is positioned from the protruding piece 25 so as to
It projects diagonally toward the side.

Next, the operation of the first embodiment will be described. In the air conditioner configured as described above, the front panel 6 is mounted on the projecting piece 2 as shown in the sectional view of FIG.
5 is inserted into the fitting piece 24 of the outer box 1 and the receiving surface 24a and the abutment surface 25a are brought into contact with each other, the engaging piece 29 is engaged with the locking claw 30, and the pressing piece 32 is Can be fixed by screwing using the mounting holes 9.
When the locking claws 30 are engaged with the front panel 6, the front panel 6 for elastically deforming the support arm 28 can be inserted horizontally without tilting.

To remove the front panel 6, as shown in FIG. 4, the mounting screws (not shown) are removed and the lower part of the front panel 6 is slightly lifted forward. The pawl 30 is lowered below the engaging piece 29 to be disengaged, and the front panel 6 can be removed. At this time, not only the lifting allowance E of the locking claw 30 is removed only by lifting the front panel 6 but also the supporting arm 28 is deformed by the pressing piece 32. Therefore, the lifting dimension F of the front panel 6 is the same as the conventional example. It is smaller than F ₀ at 15.

Embodiment 2 Next, a second embodiment of the present invention will be described with reference to FIGS. FIG. 5 is an overall perspective view of the rear box of the indoor unit of the air conditioner showing the second embodiment, viewed from the back. FIG. 6 is a detailed view showing a separated state of the pipe outlet window hole.
8 is a detailed view showing a closed state of the pipe outlet window hole, FIG.
FIG. 3 is a detailed view showing a storage state of a closing lid. In FIG. 5, reference numeral 1 denotes an outer box of the indoor unit, and a space 15 for crawling a pipe 14 in the direction of arrow C is provided at a lower portion of the rear surface 13 of the outer box 1.
Is provided. The lower part of the left side wall 33 of the outer box 1 is formed by a substantially U-shaped cutout hole 17 as shown in detail in FIG. A detachable closing lid 19 is formed integrally, and the closing lid 19 is cut and removed by a separating groove 18 to form a pipe outlet window hole 20 (shaded portion). I have.

As shown in FIG. 7, a rib 21 is formed on the inner surface of the closing lid 19, and a boss 22 facing the rib 21 is provided on the inner surface of the left side wall 33. As shown in FIG. The rib 21 is fastened to the screw 22 by the small screw 23, so that the separated closing lid 19 is held on the left side wall 33, and the opened pipe outlet window hole 20 is closed. Furthermore, the closing lid 1 separated for the pipe outlet is provided.
As shown in FIG. 8, 9 is configured to be hooked and stored by two locking claws 35 and 36 and a positioning piece 37 provided in the empty space 34 on the back of the outer box.

Next, the operation of the second embodiment will be described. In the air conditioner configured as described above, when pulling out the pipe 14 connected to the heat exchanger (not shown) in the leftward C direction shown in FIG. 5, the closing lid 19 is used for separation as shown in FIG. The pipe 14 is cut off from the kerf 18 and removed from the left side wall 33 of the outer box 1 to form a pipe outlet window hole 20 (shaded portion), and the pipe 14 is drawn out of the indoor unit through the window hole 20.

Further, the closing lid 1 from which the left side wall 33 has been removed.
9 is an empty space 34 on the back of the outer box 1 as shown in FIG.
Are hooked and housed by the locking claws 35, 36 provided on the base member and the positioning pieces 37.

On the other hand, if the pipe outlet window hole 20 in the left side wall 33 becomes unnecessary with the relocation of the indoor unit, the closing lid 19 housed in the empty space 34 on the back of the outer box is bent to the locking claw 35. 7 is removed from the locking claw 35, and FIG.
By tightening and fixing the rib 21 to the boss 22 with the small screw 23 as shown in FIG. 7, the pipe outlet window hole 20 can be closed again by the cover 19.

Third Embodiment In the second embodiment, an example is shown in which the locking claws 35 and 36 and the positioning piece 37 are provided in the empty space 34 on the back of the outer box. Forty may be provided. 9 and 10 are an overall perspective view of an indoor unit installation plate of an air conditioner according to a third embodiment of the present invention, and a detailed view showing a closed state of a cover. In both figures,
38 is an installation plate for installing the indoor unit,
The closing lid 19 is formed in a substantially Z-shape, and is configured so as to be hooked and stored by a pressing portion 39 having bending elasticity and a locking claw portion 40.

Next, the operation of the third embodiment will be described. The removed cover lid 19 is inserted between the holding portion 39 and the mounting plate 38 so that the rib 21 enters between the holding portion 39 and the claw portion 40 formed on the mounting plate 38.
As a result, the closing lid 19 is pressed against the mounting plate 38 by the elasticity of the pressing portion 39, and the rib 21 is guided between the pressing portion 39 and the claw portion 40, so that it is securely inserted and held. Further, at the time of removal, the cover 19 can be easily removed by sliding. Except for the closing operation of the closing lid 19, the operation is exactly the same as in the second embodiment.

Embodiment 4 Further, in Embodiment 3 described above, an example is shown in which a holding portion 39 and a claw portion 40 which are formed in a substantially Z-shape to have bending elasticity on the mounting plate 38 are provided, 6 front empty space 4
1 may be provided with the claws 35 and 36 and the step 43.

FIG. 11 is a perspective view of the indoor unit of the air conditioner according to the fourth embodiment as viewed from below. 41
Is an empty space on the entire front panel that can be seen when the grill 42 is opened, and the closing lid 19 is provided with the claws 35 and 36 and the stepped portion 4.
3 so as to be hooked and stored.

Next, the operation of the fourth embodiment will be described. The removed cover lid 19 is provided with each claw 3 provided in the front panel front empty space 41 which can be seen when the grill 42 is opened.
5 and 36 and the stepped portion 43 are hooked and stored. Further, at the time of removal, the closing lid 19 can be easily removed from the claw 36 by bending the claw 35. Except for the closing operation of the closing lid 19, the operation is exactly the same as in the second embodiment.

[0028]

As described above, according to the present invention, the pressing piece pushes down the support arm so that the locking claw is lowered below the engaging piece and disengaged, so that the front panel can be removed. The lifting size of the panel can be reduced, and the size from the top to the ceiling does not need to be large during installation. Further, since the support arm provided on the outer box does not protrude much from the closing plate, there is also an effect that the detachable portion is hardly damaged.

Furthermore, since the closing lids are provided in the empty space on the back of the outer box, on the mounting plate, or in the empty space on the front of the panel when the grill is opened, the closing lids are lost. There is no fear and the window hole can be reliably closed when the indoor unit is relocated.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a first embodiment.

FIG. 2 is a perspective view of an upper attaching / detaching portion in FIG. 1;

FIG. 3 is a sectional view of an upper attaching / detaching portion in FIG. 2;

FIG. 4 is a sectional view showing a state where a front panel is removed in FIG. 1;

FIG. 5 is an overall rear perspective view of an outer box of the indoor unit of the air conditioner according to the second embodiment.

FIG. 6 is a detailed view of a separated state of a window hole for a pipe outlet in FIG. 5;

FIG. 7 is a detailed view of a closed state of a window hole for a pipe outlet as in the above.

FIG. 8 is a detailed view of a storage state of the closing lid in FIG. 6;

FIG. 9 is an overall perspective view of a mounting plate of the air conditioner according to the third embodiment.

FIG. 10 is a detailed view showing a storage state of the closing lid of FIG. 9;

FIG. 11 is a bottom perspective view of an indoor unit of an air conditioner according to a fourth embodiment.

FIG. 12 is an overall perspective view of an example of a conventional air conditioner.

13 is a perspective view of an upper detachable portion of the air conditioner of FIG.

FIG. 14 is a sectional view showing an engagement state of the upper attachment / detachment unit.

FIG. 15 is a sectional view for explaining the operation of removing the front panel of the air conditioner of FIG. 12;

FIG. 16 is an overall perspective view of another example of the conventional air conditioner viewed from the back of an outer case.

FIG. 17 is a detailed perspective view of a pipe drawing portion of the air conditioner of FIG. 16;

FIG. 18 is a perspective view showing a state in which the pipe is drawn and installed.

FIG. 19 is a perspective view showing a state in which the pipe is drawn and installed.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outer box 3 Top surface 6 Front panel 14 Refrigerant piping 17 Notch hole 18 Separation groove 19 Closure lid 24 Fitting piece 25 Projection piece 26 Closing plate 28 Support arm 29 Engagement piece 30 Locking claw 31 Groove 32 Pressing piece 34 Empty space on the back of the outer box 35, 36 Locking claw 37 Positioning piece 38 Installation plate 39 Pressing section 40 Locking claw 41 Front empty space on front panel 42 Grill 43 Stepped portion

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Hiroshi Iwasaki 3-18-1, Oka, Shizuoka-shi, Shizuoka Mitsubishi Electric Engineering Co., Ltd. No. 18 No. 1 Mitsubishi Electric Engineering Co., Ltd. Nagoya Office Shizuoka Branch

Claims (4)

(57) [Claims] 1. A closing plate for connecting an air path of an indoor unit outer box to a top surface and a groove for engaging a fitting piece forming a front edge of the top surface are formed, and a part of the closing plate is cut out. At the same time, a plurality of pointing arms having elasticity are provided in the notch portions thereof, and locking claws for engaging the engaging pieces of the front panel are provided at the ends thereof. An air conditioner characterized in that the air conditioner is provided so as to protrude toward the outer box side so as to be located substantially at the center of the support arm from the provided protruding piece. 2. A closing lid is formed at a refrigerant pipe drawing-out portion of an outer box of the indoor unit so as to be separable from the outer box by a cutout hole and a separating groove, and the closing lid and the outer box are interconnected to each other. An air conditioner provided with a coupling mechanism for use in an air conditioner, wherein a locking claw and a positioning means are provided in an empty space on the back surface of the outer box in order to lock and store a closing lid separated from the outer box. Machine. 3. The mounting plate according to claim 2, wherein a substantially Z-shaped pressing portion and a locking claw portion are provided on the installation plate in place of the locking claw and the positioning means in the empty space behind the outer box. Air conditioner. 4. A locking claw and a stepped portion are provided in a front panel front empty space 41 below the grille, in place of the locking claw and positioning means in the outer box rear empty space. Air conditioner.