JP2003214645A - Air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air conditioner improved in maintenance property by facilitating the attachment and detachment work to the body of a drain pan to shorten the time of the drain pan attachment and detachment work. <P>SOLUTION: This air conditioner comprises the drain pan for receiving dews generated from a heat exchanger provided in the body, the drain pan being fixed to the body. The drain pan is fixed to the body by the connection of a hook provided on either one of the body and the drain pan and a strike plate provided on the other. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ceiling-embedded type, a ceiling-hung type, and a wall-hanging type air conditioner, and more particularly to a structure for attaching / detaching a drain pan to / from a main body for receiving dew generated in a heat exchanger. is there.

[0002]

2. Description of the Related Art FIG. 10 is an exploded perspective view showing a conventional ceiling-embedded air conditioner. In the figure, reference numeral 1 denotes a main body, a heat exchanger 2 is arranged so as to be housed in the main body 1, and a blower 3 is arranged inside the heat exchanger 2. A drain pan 4 for receiving dew attached to the heat exchanger 2 is arranged below the heat exchanger 2.
A drain pump 5 is arranged above the drain pan 4 in order to collect the dew accumulated in the. The drain pan 4 is
It is attached to the body 1 with screws 11.

The drain pan 4 has a hole at the center for use as an air inlet of the blower 3, and a bell mouth 13 as an air passage is arranged so as to cover the air around the inlet. In order to effectively use the space inside the drain pan 4 and outside the bell mouth 13, an electric component box 14 is arranged in this space.

In such a ceiling-embedded air conditioner, when the air conditioner is operated for cooling and dehumidifying, the air in the room is sucked into the main body 1 through the bell mouth 13 by the blower 3.
The air in the room is heat-exchanged by the heat exchanger 2. At that time, dew is attached to the heat exchanger 2, and the dew flows to the drain pan 4.
The dew accumulated in the drain pan 4 is collected by the drain pump 5 and is discharged to the outside through the drain pipe.

At this time, if the indoor air is contaminated with dust or exhaust gas, the contaminated air is sucked into the main body 1 and adheres to the heat exchanger 2 to be contaminated. Then, from the dirty heat exchanger 2, dirty dew is generated and collected in the drain pan 4. Since the drain pump 5 collects the contaminated dew, there is a problem that the contaminated drain pump 5 is clogged and causes a malfunction. Therefore, when the indoor air is extremely dirty, it is necessary to remove the drain pan 4 from the main body 1 and clean the heat exchanger 2 and the drain pan 4 before the dirt is accumulated on the heat exchanger 2 and the drain pan 4.

FIG. 11 is an exploded perspective view showing a conventional ceiling suspension type air conditioner. As shown in the figure, drain pan 4
Are fixed to the main body 1 via screws 11. Generally, a metal plate having a through hole is attached to the drain pan 4 side, and a receiving side for the screw 11 is provided on the main body 1 side, so that the screw 11 is attached to the main body 1 from the lower side of the drain pan 4. ing.

[0007]

Since the conventional ceiling-embedded air conditioner and ceiling-suspended air conditioner are configured as described above, the drain pan 4 is removed from the main body 1 during maintenance of the air conditioner. Although it is often necessary to remove the drain pan 4, the drain pan 4 and the main body 1 are fixed to each other by the screws 11, so that the removal work takes time.

That is, in the above-described conventional ceiling-embedded air conditioner and suspended ceiling air conditioner, the parts inside the main body 1 such as the dew receiving portion of the drain pan 4, the drain pump 5, the heat exchanger 2 and the like are cleaned. If you want to try the drain pan 4 body 1
In order to remove the screw 11 from above, it is necessary to remove the screw 11 with a screw driver, and there is a problem that the removing work takes time.

The present invention has been made in order to solve the above problems, and by facilitating the work of attaching / detaching the drain pan to / from the main body, the drain pan attaching / detaching work time is shortened and the maintainability is improved. The purpose is to provide an improved air conditioner.

[0010]

An air conditioner according to the present invention has a drain pan that receives dew generated from a heat exchanger provided in a main body, and the air conditioner has the drain pan fixed to the main body. It is characterized in that the main body and the drain pan are fixed to each other by coupling a hook provided on one of the main body and the drain pan and a receiving seat provided on the other.

Further, the air conditioner according to the present invention is characterized in that a patch lock is used for the hook.

Further, the air conditioner according to the present invention is characterized in that the patch lock has a lever, a ring and a pedestal, and the lever and the pedestal are a mechanism via a spring.

Further, the air conditioner according to the present invention is characterized in that the hook is a lever hook for which a ring is omitted from the patch lock.

Further, the air conditioner according to the present invention is characterized in that the lever hooking hook has a lever and a pedestal, and the lever and the pedestal are a mechanism via a spring.

Further, the air conditioner according to the present invention is characterized in that a rod that slides as a hook is used and a receiving hole for inserting the rod is provided in a receiving seat.

The air conditioner according to the present invention is characterized in that the rod is slid by a spring.

The air conditioner according to the present invention is characterized in that a ring hook is used as the hook.

Further, the air conditioner according to the present invention is characterized in that the ring hook has a ring and a pedestal, and the ring and the pedestal do not have a spring.

Further, the air conditioner according to the present invention is characterized in that the ring hooking hook is composed only of the ring attached to either the main body or the drain pan.

Further, the air conditioner according to the present invention is characterized in that the main body and the drain pan are fixed to each other, and in some places, the main body and the drain pan are fixed by fastening members.

The air conditioner according to the present invention is characterized in that one side of the drain pan is hooked to the main body by the hook and the seat, and then the other part of the drain pan is fixed to the main body by the fastening member. To do.

Further, the air conditioner according to the present invention is characterized in that the hook or the seat is provided in another component attached to the main body.

The air conditioner according to the present invention is characterized in that the separate component is a component for receiving a suspension bolt from the ceiling.

Further, in the air conditioner according to the present invention, the main body and the drain pan are fixed by the hooks and the seats with respect to the diagonal corners of the drain pan, and the main body and the drain pan are fixed by the fastening members with respect to the other diagonal corners. It is characterized by

Further, the air conditioner according to the present invention is characterized in that a display for designating a work procedure is displayed on each of the hook and the seat.

Further, the air conditioner according to the present invention is characterized in that the work procedure is designated by numbers or letters.

Further, the air conditioner according to the present invention has a drain pan that receives dew generated from the heat exchanger provided in the main body, and in the air conditioner in which the drain pan is fixed to the main body, the main body and the drain pan are It is characterized in that the main body and the drain pan are provisionally hung by connecting the hook provided on one side and the receiving seat provided on the other side, and the main body and the drain pan are fixed by a fastening member.

The air conditioner according to the present invention is a ceiling-embedded air conditioner.

The air conditioner according to the present invention is characterized in that it is a ceiling-hung air conditioner.

The air conditioner according to the present invention is characterized in that it is a wall-mounted air conditioner.

[0031]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. Embodiment 1. 1 to 7 are views showing a first embodiment,
1 is a cross-sectional view of a ceiling-embedded air conditioner, FIG. 2 is an exploded perspective view of a ceiling-embedded air conditioner, FIG. 3 is a perspective view of hooks and catches, which are essential parts, and FIG. 4 is a ceiling-embedded air conditioner. 5 is a perspective view of a main part, FIG. 5 is an exploded perspective view of a ceiling-embedded air conditioner, and FIG. 7 is an exploded perspective view of a ceiling-embedded air conditioner.

In FIGS. 1 and 2, the heat exchanger 2 is housed in the main body 1 whose lower side is opened so as to be housed in the main body 1.
Is disposed, and the blower 3 is disposed in the center of the inside of the heat exchanger 2. A drain pan 4 for receiving the dew generated in the heat exchanger 2 is arranged below the heat exchanger 2, and the drain pan 4 is provided to collect the dew accumulated in the drain pan 4.
The drain pump 5 is disposed above the. And the main body 1
The hook 6 is attached to the drain pan 4, and the receiving seat 10 is attached to the drain pan 4. The hook 1 and the receiving seat 10 couple and fix the main body 1 and the drain pan 4.

In FIG. 3A, the hook 6 has a patch lock 6a.
Is an example of using. The patch lock 6a includes a lever 7, a ring 8 and a pedestal 9, and the lever 7 and the pedestal 9 have a mechanism via a spring. When fixing the main body 1 and the drain pan 4 with the patch lock 6a and the seat 10a,
Pull the lever 7 toward you and hook the ring 8 on the catch 10a. Then, when the finger is released from the lever 7, the lever 7 returns to its original position by the force of the spring, the patch lock 6a and the catch 10a are locked, and the main body 1 and the drain pan 4 are fixed.

In FIG. 3 (b), as the hook 6, the ring 8 is removed from the patch lock 6a and the claw of the lever 7 is seated 10
This is an example in which a lever hooking hook 6b using a mechanism for fixing the main body 1 and the drain pan 4 by hooking on b is used. The lever 7 and the pedestal 9, which are components of the lever hook 6b, have a mechanism via a spring, like the patch lock 6a.

The patch lock 6a is provided with the lever 7 by a finger or the like.
In contrast to the need to pull the lever 7 toward the front, when the drain pan 4 is lifted to the lower portion of the main body 1, the lever 7 is naturally pulled toward the front by the protrusion for hooking the catch 10b. Claw is seat 10b
If it moves above the protruding part, the lever hook will lock the hook 6b and the seat 10b by the force of the spring.
The main body 1 and the drain pan 4 can be fixed by simply assembling the drain pan 4 from the bottom into the main body 1 without pulling the lever 7 to the front.

In FIG. 3 (c), the hook 1 is used as a hook 6 by sliding (sliding) a rod.
This is an example of using the rod hook 6c for fixing the main body 1 and the drain pan 4 by inserting the rod into the receiving hole 0c. When the rod hook hook 6c is slid by a spring, the rod can be easily slid.

However, it is also possible to slide the rod of the rod hook 6c manually without using a spring.

FIG. 3 (d) shows a ring 6 as a hook 6.
In this example, the pedestal 9 has a mechanism without a spring, and the ring hook 6d is used to connect the body 1 and the drain pan 4 by simply hooking the ring 8 on the seat 10a.

In FIG. 3D, the pedestal 9 may be omitted and the ring 8 may be directly incorporated into the main body 1 or the drain pan 4.

With this structure, the time required for removing and installing the drain pan 4 can be shortened, so that the cleaning workability of the drain pan 4 can be improved. The inside of the removed device can be easily reached in a short time, and therefore the workability of cleaning the inside such as the heat exchanger 2 and the drain pump 5 can be improved. Therefore, the maintenance by cleaning can be carried out in a shorter time than in the past, so that the device can be kept in a better condition. In addition, the work time at high places can be shortened compared to the conventional one, which contributes to the improvement of safety.

As shown in FIG. 3B, the hook 6 and the receiving seat 10 can be provided on the drain pan 4 and the receiving seat 10 on the main body 1 as required.

The hook 6 and the receiving seat 10 are intended to fix the main body 1 and the drain pan 4, but as shown in FIG. 3D, the hook 6 and the receiving seat 10 are connected to the main body 1 and the drain pan 4. It is also possible to use as a temporary hook and fix the main body 1 and the drain pan 4 with the screw 11. By using the hook 6 and its seat 10 for temporary hanging, it is possible to improve the stability of the work posture of this work.

When fixing the main body 1 and the drain pan 4, the hooks 6 and the catches 10 may be used for all the fixing points, but if necessary, some of the hooks 6 and the catches 10 may be used. It is also possible to fix the main body 1 and the drain pan 4 by using screws 11 instead of the seat 10.

In the method of fixing the drain pan 4 shown in FIG. 4, hooks 6 are used at two locations on one side and screws 11 are provided at two locations on the opposite side.
Is used. When fixing the drain pan 4 to the main body 1, as shown in FIG. 4, hook the hook 6 provided on the drain pan 4 on the receiving seat 10 provided on the main body 1, and then fix the drain pan 4 with the screw 11. It becomes work to do. Therefore, according to this fixing method, two positions on one side of the drain pan 4 can be hooked on the main body 1 by one operation, and when hooking is finished, it is not necessary to support this one side by hand, and only the other side can be supported by hand. Since the mounting work with the screws 11 can be performed, the workability can be improved by shortening the work time, improving the stability of the work posture, and the like.

Further, the receiving seat 10 (or the hook 6) on the main body 1 side can be attached to another component attached to the main body 1. FIG. 5 shows an example thereof, in which the catch 10 is attached to a separate part 12 made of sheet metal for hooking the main body 1 on a hanging bolt from the ceiling.

FIG. 6 shows how to fix the main body 1 and the drain pan 4 by using the hooks 6 and the catches 10 at two diagonal positions of the drain pan, and the screws 11 at the other two diagonal positions.
Is used. With this fixing method, even if the ring 8 of the hook 6 comes off the catch 10 by any chance,
Since the drain pan 4 can be supported by fixing it in two places with screws 11 on the diagonal side, it has both the improved workability of the hooks 6 and the seat 10 and the higher reliability of the screws 11. It is a fixing method.

FIG. 7 shows the hooks 6 and the catches 10 with numbers and letters for designating the work procedure. When explaining the work procedure by using the numbers and letters, the work procedure can be explained by designating the numbers and letters, so that it is possible to prevent erroneous work.

Embodiment 2. The present invention can also be applied to a ceiling-suspended air conditioner. FIG. 8 is a view showing the second embodiment, and is an exploded perspective view of a ceiling suspended air conditioner. In the figure, a hook 6 is provided on the main body 1, and a catch 10 is provided on the drain pan 4.
Is provided to fix the main body 1 and the drain pan 4 to each other. The matters described in the first embodiment are also applicable to the ceiling-suspended air conditioner.

Embodiment 3. The present invention can also be applied to a wall-mounted air conditioner. FIG. 9 shows the third embodiment and is an exploded perspective view of a wall-mounted air conditioner. In the figure,
The main body 1 is provided with a seat 6 and the drain pan 4 is provided with a hook 6 so that the main body 1 and the drain pan 4 are fixed. The matters described in the first embodiment are also applicable to the wall-mounted air conditioner.

[0050]

The air conditioner according to the present invention has a structure in which the main body and the drain pan are fixed by coupling the hook provided on one of the main body and the drain pan with the receiving seat provided on the other. By doing so, the drain pan removal and installation time can be shortened, so that the drain pan cleaning workability can be improved. Further, since the inside of the device which is blocked by the drain pan can be reached within a short time, the workability of cleaning the inside can be improved.

Further, in the air conditioner according to the present invention, by using the patch lock for the hook, the drain pan can be easily attached to and detached from the main body.

Further, in the air conditioner according to the present invention, the patch lock has the lever, the ring and the pedestal, and the lever and the pedestal have a mechanism via a spring, so that the main body and the drain pan are fixed together. When you pull the lever to the front and hook the pull ring on the seat, and then release your finger from the lever, the spring force returns the lever to its original position, locking the patch lock and the seat, and securely holding the drain pan on the main unit. Fixed.

Further, in the air conditioner according to the present invention, since the hook is the lever hook without the ring from the patch lock, only the work of assembling the drain pan into the main body can be performed without pulling the lever to the front. With this, the body and drain pan can be fixed.

Further, in the air conditioner according to the present invention, the lever hook has the lever and the pedestal, and the lever and the pedestal have a mechanism through the spring, so that the number of parts is reduced and the main body and the drain pan are reduced. It can be easily fixed with.

Further, the air conditioner according to the present invention uses the sliding rod as the hook and has the receiving hole for inserting the rod into the receiving seat, whereby the structure of the hook is simplified.

Further, in the air conditioner according to the present invention, the rod can be slid by the spring so that the rod can be easily slid.

Further, in the air conditioner according to the present invention, the structure of the hook is simplified because the ring hook is used as the hook.

Further, in the air conditioner according to the present invention, the ring hook has the ring and the pedestal, and the ring and the pedestal have a mechanism without a spring, so that the ring is simply hooked on the pedestal. The main body and drain pan can be fixed.

Further, in the air conditioner according to the present invention, since the ring hooking hook is composed only of the ring attached to either the main body or the drain pan, the number of parts is reduced and the cost is reduced.

In the air conditioner according to the present invention, the main body and the drain pan are fixed to each other, and in some places, the main body and the drain pan are fixed to each other by fastening members, so that workability and reliability are improved. Can be improved.

Further, in the air conditioner according to the present invention, after the drain pan is hooked on one side of the drain pan by the hook and the seat, the other part of the drain pan is fixed to the main body by the fastening member. The effect of improving the stability of the work posture by being able to hook the hook and shortening the work time at the place where the hook and the seat are used is achieved.

Further, the air conditioner according to the present invention has a simple structure because the hook or the seat is provided in a separate part attached to the main body.

Further, in the air conditioner according to the present invention, since the separate component is a component for receiving the suspension bolt from the ceiling, the component for receiving the suspension bolt from the ceiling can be diverted to form the hook or the seat.

Further, in the air conditioner according to the present invention, the main body and the drain pan are fixed by the hook and the seat with respect to the diagonal corners of the drain pan, and the main body and the drain pan are fixed by the fastening members with respect to other diagonals. As a result, even if the hook comes off the seat,
Since the drain pan can be supported by fixing with other diagonal fastening members, both the workability improvement of the hook and the seat and the higher reliability of the fastening member can be provided.

Further, in the air conditioner according to the present invention, erroneous work can be prevented by displaying the work procedure designation on each of the hook and the seat.

Further, the air conditioner according to the present invention can prevent erroneous work by designating the work procedure by using numbers or letters.

Further, in the air conditioner according to the present invention, the main body and the drain pan are temporarily hooked and fastened by coupling the hook provided on one of the main body and the drain pan with the receiving seat provided on the other. With the configuration in which the main body and the drain pan are fixed by the member, the stability of the work posture of the main work can be improved.

Further, the present invention can be applied to a ceiling-embedded air conditioner.

Further, the present invention can be applied to a ceiling suspension type air conditioner.

The present invention can also be applied to a wall-mounted air conditioner.

[Brief description of drawings]

FIG. 1 is a view showing a first embodiment and is a cross-sectional view of a ceiling-embedded air conditioner.

FIG. 2 shows the first embodiment and is an exploded perspective view of a ceiling-embedded air conditioner.

3 is a view showing the first embodiment, and is a perspective view of a hook and a seat which are essential parts, FIG. 3A is a perspective view of the hook and the seat when a patch lock is used for the hook, and FIG. ) Is a perspective view of the hook and the seat when the lever hook is used for the hook, (c) is a perspective view of the hook and the seat when the rod hook is used for the hook, and (d) is the ring hook for the hook. It is a perspective view of a hook and a seat when a hook is used.

FIG. 4 shows the first embodiment and is a perspective view of a ceiling-embedded air conditioner.

FIG. 5 shows the first embodiment and is a perspective view of a main part.

FIG. 6 shows the first embodiment and is an exploded perspective view of a ceiling-embedded air conditioner.

FIG. 7 shows the first embodiment and is an exploded perspective view of a ceiling-embedded air conditioner.

FIG. 8 is a view showing the second embodiment and is an exploded perspective view of a ceiling-suspended air conditioner.

FIG. 9 shows the third embodiment and is an exploded perspective view of a wall-mounted air conditioner.

FIG. 10 is an exploded perspective view of a conventional ceiling-embedded air conditioner.

FIG. 11 is an exploded perspective view of a conventional ceiling-hung air conditioner.

[Explanation of symbols]

1 main body, 2 heat exchanger, 3 blower, 4 drain pan, 5 drain pump, 6 hook, 6a patch lock, 6b lever hook, 6c rod hook, 6d lever hook, 7 lever,
8 rings, 9 pedestals, 10, 10a to 10c pedestals,
11 screws, 12 separate parts.

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Satoshi Uchiyama             2-6-2 Otemachi 2-chome, Chiyoda-ku, Tokyo             Ryoden Engineering Co., Ltd. (72) Inventor Shigeo Morihira             2-3 2-3 Marunouchi, Chiyoda-ku, Tokyo             Inside Ryo Electric Co., Ltd. (72) Inventor Atsushi Edayoshi             2-3 2-3 Marunouchi, Chiyoda-ku, Tokyo             Inside Ryo Electric Co., Ltd. F-term (reference) 3J038 AA01 BA02 BA05 BA07 BA18                       BC01 BC05 BC11                 3L050 BD05 BE00                 3L051 BG06 BH06 BJ10

Claims (21)

[Claims] 1. An air conditioner having a drain pan for receiving dew generated from a heat exchanger provided in the main body, wherein the drain pan is fixed to the main body, and the air conditioner is provided in either the main body or the drain pan. An air conditioner characterized in that the main body and the drain pan are fixed to each other by coupling a hook and a seat provided on the other side. 2. The air conditioner according to claim 1, wherein a patch-lock is used for the hook. 3. The air conditioner according to claim 2, wherein the patch lock has a lever, a ring, and a pedestal, and the lever and the pedestal are a mechanism via a spring. 4. The air conditioner according to claim 1, wherein the hook is a lever hook for which a ring is omitted from a patch lock. 5. The air conditioner according to claim 4, wherein the lever hooking hook has a lever and a pedestal, and the lever and the pedestal are a mechanism via a spring. 6. The air conditioner according to claim 1, wherein a rod that slides as the hook is used, and a receiving hole into which the rod is inserted is provided in the receiving seat. 7. The air conditioner according to claim 6, wherein the rod is slid by a spring. 8. The air conditioner according to claim 1, wherein a ring hook is used as the hook. 9. The air conditioner according to claim 8, wherein the ring hook has a ring and a pedestal, and the ring and the pedestal have a mechanism without a spring. 10. The air conditioner according to claim 8, wherein the ring hook is composed of only a ring attached to either the main body or the drain pan. 11. The air conditioner according to claim 1, wherein the main body and the drain pan are fixed to each other by fastening members at some portions of the main body and the drain pan. . 12. A structure in which one side of the drain pan is hooked to the main body by the hook and the receiving seat, and then the other part of the drain pan is fixed to the main body by a fastening member. The air conditioner according to 1. 13. The air conditioner according to claim 1, wherein the hook or the seat is provided in a separate component attached to the main body. 14. The air conditioner according to claim 13, wherein the separate component is a component that receives a suspension bolt from the ceiling. 15. The diagonal of the drain pan is:
The air conditioner according to claim 1, characterized in that the main body and the drain pan are fixed by the hook and the seat, and the main body and the drain pan are fixed by fastening members at other diagonals. Machine. 16. The air conditioner according to claim 1, wherein a display for designating a work procedure is displayed on each of the hook and the seat. 17. The air conditioner according to claim 16, wherein the work procedure is designated by a numeral or a letter. 18. An air conditioner having a drain pan for receiving dew generated from a heat exchanger provided in the main body, wherein the drain pan is fixed to the main body, wherein the air conditioner is provided in one of the main body and the drain pan. The air conditioner is characterized in that the main body and the drain pan are temporarily hung by coupling the hook and the receiving seat provided on the other side, and the main body and the drain pan are fixed by a fastening member. . 19. The air conditioner according to claim 1, wherein the air conditioner is a ceiling-embedded air conditioner. 20. The air conditioner according to claim 1, wherein the air conditioner is a ceiling-suspended air conditioner. 21. The air conditioner according to claim 1, wherein the air conditioner is a wall-mounted air conditioner.