JP3385881B2 - High-altitude 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, and more particularly to a high-place-installation type air conditioner in which a main body is embedded in a ceiling.

[0002]

2. Description of the Related Art FIG. 11 is a sectional view showing a ceiling-embedded air conditioner disclosed in, for example, Japanese Utility Model Laid-Open No. 3-20668, in which 1 is the ceiling of a building and 2 is the ceiling 1. A ceiling plate 3 provided below and forming a ceiling space is an air conditioner main body suspended below the ceiling 1 by suspension bolts 4, and is provided with a heat exchanger 5, a blower 6, a drain pan 7, and the like. . Reference numeral 8 is a suction port structure composed of a decorative panel having an air suction port 9 and an air blow port 10, and the wire 11 is attached to the upper portions of both side walls of the main body 3 by an elevating tool 12 incorporating the wire 11. The lower end of is fastened to the stopper 13 so that it can be suspended.

Now, when installing the air conditioner, when the suction inlet structure 8 is attached to the air conditioner body 3, the lifting tool 12 is used.
The wire 11 is pulled out downward, and the tip thereof is fastened to the stopper 13 of the suction port structure 8 placed below. Here, when the suction port structure 8 is slightly lifted upward, the wire 11 is wound up by the elevating tool 12 so that the suction port structure 8 moves upward and is fitted into the position of the air conditioner body 3.

Further, when the air conditioner body 3 is inspected, if the suction port structure 8 is pulled downward, the wire 11 will move up and down.
The suction port structure 8 is pulled out from the position and moves downward, and stops at an arbitrary position as indicated by the chain double-dashed line. Further, when the suction port structure 8 is slightly lifted upward, the wire 11 is wound around the elevating tool 12, and the suction port structure 8 is fitted into the original position.

[0005]

In the conventional high-altitude installation type air conditioner constructed as described above, the maintenance and inspection work of the equipment provided in the suction inlet structure is performed in a place near the ceiling or Work that uses a stepladder, etc., and it is necessary to use a stepladder, etc. even for relatively simple work such as cleaning the filter provided on the suction port structure, so the workability deteriorates There was a point.

In order to raise and lower the suction inlet structure,
When it is necessary to directly pull down the suction port structure, an operation cord is provided on the lifting tool, and this is equipped with an operation handle, and when the operation handle is pulled down from the long hole part, or conversely when the operation handle returns to the long hole part. , For example, when operating in an oblique direction, the operation cord is mainly made of metal or a resin cord having the same level of strength because of its strength, the suction port structure is lightweight, and a resin material is generally used because of moldability. However, there is a problem in that the suction port structure side is worn away and the operation string comes into contact with the inner edge of the oblong hole portion, and the inner edge of the oblong hole portion is worn and abraded. .

Further, the use of a material having heat resistance and friction resistance on the side of the suction inlet structure solves the above problems, but the suction inlet structure has a larger size than the protective plate and is a design product. Since the shape is complicated, there are problems that the cost is high and the moldability is difficult.

Further, since the operation handle has an elliptical rib so that it can be automatically fitted in a predetermined direction of the elongated hole portion, a protective plate made of a material having heat resistance and friction resistance is provided on the back of the elongated hole portion. There is a problem that the operation handle does not fit when fixing the.

Further, when the suction port structure is moved up and down by the suspending body, the winding speed of the suspending body and the moving speed of the suction port structure are not always constant in the suspending body winding portion of the lifting device. There are cases. At that time, there is a problem in that the hanging body is disengaged from the hanging body winding portion of the lifting / lowering device or is slackened, so that the hanging body cannot be smoothly wound.

The present invention has been made to solve the above problems, and an object of the present invention is to facilitate the raising and lowering of the suction inlet structure to easily and efficiently perform maintenance and inspection work.

Further, when the operation handle of the operation cord is pulled down from the long hole portion, or conversely when the operation handle is returned to the long hole portion, no matter what direction the operation handle is pulled or from which direction the operation handle is returned. An object of the present invention is to obtain an air conditioner that can prevent the operation string from coming into contact with the inner edge of the long hole portion and wearing and scraping the inner edge of the long hole portion.

Another object of the present invention is to provide an air conditioner which satisfies the above-mentioned object and which is stable in quality and can be used for many years at a low cost by simply replacing parts.

Another object of the present invention is to obtain an air conditioner which smoothly draws out and winds the hanging body of the elevator when the suction structure is moved up and down.

[0014]

An air conditioner installed at a high place according to the present invention has a suction port which is installed at a high place for sucking indoor air and an air outlet for circulating air into the room. Suspending the suction inlet structure equipped with a filter for filtering the contained dust etc. with the air conditioner body and a string-like suspending body, and winding up or rewinding this suspending body to provide a suction inlet aligned filter In an air conditioner provided with a lifting tool for raising and lowering the suction inlet structure, an operation hole having an operation handle at the tip is pulled out from the suction inlet structure and a part of the operation handle is accommodated in the long hole portion. Is provided in the suction port structure, and a protective plate made of a material having heat resistance and friction resistance higher than that of the material of the suction port structure is provided on the back of the long hole portion of the suction port structure, and this protection plate can be freely moved. Stored movable space It is provided with a space-forming member to make.

Further, in the high-altitude installation type air conditioner according to the present invention, both the protective plate and the upper part of the space forming body forming the movable space have a through hole, and the through hole has an operation handle at the tip. The operation cord is passed through, and the dimensional relationship is formed so that the movable range of the operation cord in the maximum movement state of the protective plate or the like is smaller than the size of the long hole portion.

Further, in the high-altitude air conditioner according to the present invention, a space forming body forming a movable space is provided on the back surface of the suction port structure by providing a fastener or a tab on the space forming body itself. It is removable.

Further, in the high-altitude installation type air conditioner according to the present invention, between the suction inlet structure and the suction inlet, a cylindrical elevating tool capable of pulling out and winding the hanging body is provided, and each of them is suspended. connected with the suction port structure at lower body, and the detachably mounted air conditioner comprising, outside said lifting device
The hanging body having a step shape is wound around the circumference and held.
A guide member with a C-shaped cross section is raised and lowered in the hanging body storage section.
It is slidably engaged over the tool .

[0018]

DETAILED DESCRIPTION OF THE INVENTION

Embodiment 1. 1 is a perspective view showing a first embodiment of the present invention, which has a suction port 9 for sucking in air in a room installed at a high place and an air outlet 10 for circulating air in the room,
A filter 1 for filtering dust contained in the circulating air
5 is provided in the suction port structure 8, the suction port structure 8 is hung by the air conditioner main body 3 and the hanging body 11, and the hanging body 11 is wound around the elevator 12 or rewound. The suction handle 12 and the suction grill 15 can be moved up and down, and the operation handle 16 for controlling the movement is provided, and the operation handle 1 having the semicircular rib 17a at the tip of the operation handle 1
7, the operation string 16 is drawn out from the long hole portion 18 of the fitting size provided in the suction port structure 8, and a part of the operation handle 17 is housed in the suction port structure 8. .

FIGS. 2 and 3 are longitudinal sectional views showing the back side of the long hole portion of the intake structure of the high-altitude installation type air conditioner showing an embodiment of the present invention. Describing based on the above drawings, a suction port structure 8 is provided below the air conditioner 1. On the back side of the elongated hole portion 18 of the suction inlet structure 8, there is a through hole 19 inside which is made of a material having higher heat resistance and friction resistance than the material of the suction inlet structure 8 such as metal in this case.
A ring-shaped protection plate 19 provided with a is arranged. Reference numeral 20 denotes a space forming body having a cylindrical space 20a which is a movable space in which the protective plate 19 is housed so as to be freely movable up and down, and a head has a through hole 20b through which the operation cord 16 is passed. The lower end surface is fixed to the suction port structure 8 with an adhesive or the like.

Further, as shown in FIG. 3, the dimensional relationship is such that the movable range A of the operation cord 16 in the maximum movement state where the protective plate 19 contacts the space forming body 20 is smaller than the dimension B of the elongated hole portion 18. Are formed so that A <B.

Next, the operation will be described. With the above configuration, for example, when the operation handle 17 is pulled obliquely downward, the protection plate 19 moves in the movable space 20.
However, since the movable range A of the operation cord 16 at this time is smaller than the dimension B of the elongated hole portion 18, the operation cord 16 may eventually come into contact with the inner edge of the through hole 19a of the protective plate 19. However, it does not come into contact with the inner edge of the elongated hole portion 18, and when the operation handle 17 is stored in the suction port structure 8, the protective plate 19 escapes to the upper part, so that the operation handle 17 cannot be stored. Absent.

Therefore, according to the present invention, in the high-altitude type air conditioner in which the suction grilles 15 are connected to each other by a plurality of hanging bodies 11, when the operation handle 17 is pulled, the suction grilles 15 are drawn.
When the operation handle 17 descends and the operation handle 17 is again opened, the suction grill 15 and the operation handle 17 return to the predetermined positions. However, the suction structure 15 is provided behind the elongated hole portion 18 of the suction structure 8. 8, a protective plate 19 made of a material having higher heat resistance and friction resistance than the material of 8, and a space forming body 20 for forming a "cylindrical space" which is a movable space 20a accommodating the protective plate 19 in a freely movable manner. Both upper parts are through holes 19a and 20
An operation string 16 having an operation handle 17 at its tip is passed through the through holes 19a and 20b. "Protection plate 19
Dimensional relation A <B so that the movable range A ”of the operation string 16 in the maximum movement state of
By forming the above, for example, even if the operation handle 17 is pulled obliquely downward, the movement of the protective plate 19 and the like in the movable space 20a is restricted, and the operation cord 16 eventually contacts the inner edge of the through hole 19a of the protective plate 19. However, it does not contact the inner edge of the slot 18.

Further, since the protective plate 19 can freely move when the operation handle 17 returns to the elongated hole portion 18, the operation handle 17 provided with the rib 17a can be accommodated in the elongated hole portion 18 without any problem.

Embodiment 2. FIG. 4 shows the elongated hole portion 18 of the intake structure 8 of the air conditioner according to the second embodiment of the present invention.
It is a longitudinal cross-sectional view showing the back. In the second embodiment, instead of the protection plate 19, as shown in a perspective view of FIG. 5, the thin tubular portion 21a of the protective member 21 in which the thin tubular portion 21a is integrally formed at the center and the brim portion 21b is integrally formed at one end faces downward. The movable space 20a is installed so as to be freely movable.

The second embodiment of the present invention has the same operation and effect as those of the first embodiment, but the possibility that the operation cord 16 will contact the inner edge of the collar portion 21b is reduced by the amount of the thin cylinder portion 21a. Further, when the operating handle 17 fits in the elongated hole portion 18, the protection member 21 also fits in the back of the suction port structure 8, and there is no design problem.

Embodiment 3. 6 is a cross-sectional view showing the back of the elongated hole portion 18 of the intake structure 8 of a high-altitude installation type air conditioner showing Embodiment 3 of the present invention, and FIG. It is a perspective view shown. In the third embodiment, 22 is a protective arm having a pair of arm portions 22b on both side surfaces of a cylindrical portion 22b having a through hole 22a in the center, instead of the protective plate 19 of the first embodiment. Discs 22e having claw pieces 22d on the edges are provided at both ends. Two
Reference numeral 3 denotes a groove portion for allowing the protective arm 22 to slide up and down in the movable space 20a of the space forming body 20, which is formed on both side surfaces of the space forming body 20. Reference numeral 24 denotes a protrusion provided in the vicinity of both the groove portions 23 of the space forming body 20 and in the middle of the groove portion 23 in the up-down direction. The maximum arm rotation angle state of the protective arm 22 when the operation handle 17 is pulled obliquely downward. The movable range C of the operation string 16 at the
By configuring so that C <D, which is smaller than D, the same effect as in the first embodiment can be obtained.

Fourth Embodiment FIG. 8 is a vertical cross-sectional view showing the back of the elongated hole portion 18 of the intake structure 8 of a high-altitude installation type air conditioner showing Embodiment 4 of the present invention. Embodiment 1 above
2 and 3, the space forming body 20 that forms the movable space 20a is, for example, a fastener 2 such as a screw in the present invention.
5. The protective plate 19 is removably tightened and fixed to the back surface of the suction port structure 8 by 5, so that the protective plate 19 can be replaced even if the inner edge of the through hole 19a of the protective plate 19 in the first embodiment is worn. This allows the use of the same inlet structure for many years.

Embodiment 5. In the fourth embodiment, the space forming body 20 forming the movable space 20a can be attached to and detached from the back surface of the suction port structure 8 by the fastener 25. However, as shown in the sectional view of FIG. In the fifth embodiment, the claw piece 26 is integrally provided outside the lower end of the space forming body 20, and the engaging concave portion 27 for engaging and locking the claw piece 26 is engaged with the back of the elongated hole portion 18 of the suction port structure 8. Since it is provided integrally with the mouth structure 8, the number of parts is reduced, so that the cost is low and the same effect as that of the fourth embodiment is obtained.

Sixth Embodiment In the sixth embodiment shown in FIG. 10, 12 is a cylindrical elevating tool attached to the suction port structure 8, and 12 a is a suspending means for winding and holding the suspending body 11 around one end of the elevating tool 12. The body accommodating portion, the hanging body accommodating portion 12a is composed of a flange 12b having a stepped outer peripheral portion of a circular shape, a guide member mounting portion 12c, and a hanging body winding portion 12d, and is fixed to the lifting tool 12. There is. Reference numeral 12e is a guide member, and the guide member mounting portion 1
2c has an elastic force so as to engage with 2c and is formed into a C-shaped cross section,
It is attached so as to cover the entire hanging body winding portion 12d.

According to the present invention, when the suction port 12 is moved up and down, the hanging member housing portion 12a is engaged with the hanging member housing portion 12a of the elevating tool 12 by the guide member 12e.
The guide member 12e is restricted to the hanging body 11 even when the lifting / lowering tool 12 rotates during the rewinding and winding of the hanging body 11 so that the same direction is maintained. The slidable body 11 keeps the suspended body 11 in the movable direction.

[0031]

As described above, in the high place installation type air conditioner according to claim 1 of the present invention, the intake port installed at a high place for sucking the indoor air and the air outlet for circulating the air into the room. The air intake unit structure with a filter for filtering dust contained in the circulating air is suspended by the air conditioner body and a string-shaped suspension body, and the suspension body is wound or rewound. In the air conditioner provided with the lifting tool for raising and lowering the suction inlet structure provided with the suction inlet aligned filter, the operation cord having the operation handle at the tip is pulled out from the suction inlet structure, and a part of the operation handle is stored. The suction hole structure is provided with such a long hole portion, and the back of the long hole portion of the suction hole structure is provided with a protective plate made of a material having heat resistance and friction resistance higher than that of the material of the suction structure. Free movement of protective plate Since the space forming body that creates the movable space is provided inside, it does not damage the design surface of the suction inlet structure, reduces the drive failure of the operation cord, and extends the product life. It has the effect that

Further, in the air conditioner for high altitude installation according to claim 2 of the present invention, both the protective plate and the upper part of the space forming body forming the movable space have a through hole, and the through hole has a tip. While the operation string with the operation handle penetrates,
Since the dimensional relationship is formed so that the movable range of the operation string in the maximum movement state of the protective plate etc. is smaller than the size of the long hole part, the operation handle can be pulled down from the long hole part, or vice versa. When returning to the slot, no matter what direction the handle is pulled or from which direction the handle returns, the operating cord will come into contact with the inner edge of the slot and wear the inner edge of the slot. There is an effect that it is possible to prevent scraping at low cost.

Further, in the high-altitude type air conditioner according to claim 3 of the present invention, the space forming body forming the movable space is sucked by providing a fastener or a tab piece on the space forming body itself. Since it is configured to be detachable on the back of the mouth structure, it can be detached on the back of the suction structure and can be used as a long-life suction structure by simply replacing the parts of the protective plate. Is played.

Further, in the high place installation type air conditioner according to claim 4 of the present invention, between the suction port structure and the suction port, there is provided a cylindrical elevating and lowering tool capable of pulling out and suspending the hanging body. An air conditioner that is provided, is connected to the suction port structure with a hanging body, and is detachably mounted, and the hanging has a stepped shape on an outer peripheral portion of the elevating tool.
A pendant with a C-shaped cross section is attached to the hanging body storage part that winds and holds the body.
The id member is slidably engaged over the lift.
Thus, it is possible to suppress the slack or disengagement of the hanging body that occurs when the hanging body is housed and pulled out due to the vertical movement of the suction port, and thus it is possible to ensure a smooth operation.

[Brief description of drawings]

FIG. 1 is a perspective view showing an operating state of a high place installation type air conditioner according to Embodiment 1 of the present invention.

FIG. 2 is a vertical cross-sectional view showing the main parts of a high-altitude installation type air conditioner according to Embodiment 1 of the present invention.

FIG. 3 is a vertical cross-sectional view showing an operating state of a main part of a high-altitude installation type air conditioner according to Embodiment 1 of the present invention.

[Fig. 4] Fig. 4 is a vertical cross-sectional view showing the main parts of a high-altitude installation type air conditioner according to Embodiment 2 of the present invention.

[Fig. 5] Fig. 5 is a perspective view showing a main part of a high place installation type air conditioner according to Embodiment 2 of the present invention.

[Fig. 6] Fig. 6 is a vertical cross-sectional view showing the main parts of a high-altitude installation type air conditioner according to Embodiment 3 of the present invention.

[Fig. 7] Fig. 7 is a perspective view, partially broken away, showing a main part of a high-altitude installation type air conditioner according to Embodiment 3 of the present invention.

[Fig. 8] Fig. 8 is a vertical cross-sectional view showing the main parts of a high-altitude installation type air conditioner according to Embodiment 4 of the present invention.

[Fig. 9] Fig. 9 is a vertical cross-sectional view showing the main parts of a high-altitude installation type air conditioner according to Embodiment 5 of the present invention.

FIG. 10 is a partially enlarged perspective view showing a main part of a high place installation type air conditioner according to Embodiment 6 of the present invention.

FIG. 11 is a vertical cross-sectional view showing a conventional high-altitude air conditioner.

[Explanation of symbols]

3 Air conditioner, 8 Suction structure, 12 Elevator, 1
2a Hanging body storage, 12b Flange, 12c
Guide member mounting portion, 12d hanging body winding portion, 1
2e guide member, 16 operation string, 17 operation handle, 1
8 slotted holes, 19 protective plate, 20 space forming body, 20a
Movable space, 21 protective member, 22 protective arm, 2
5 Fasteners, 26 tab pieces.

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Masashi Yamada 2-6-2 Otemachi, Chiyoda-ku, Tokyo Mitsubishi Electric Engineering Co., Ltd. (56) Reference JP-A-8-291938 (JP, A) Kaihei 5-17168 (JP, A) JP 57-93862 (JP, A) JP 51-119174 (JP, A) JP 3-60588 (JP, U) JP 5-17169 ( JP, U) Actually opened Sho-29-29266 (JP, U) Actually opened 5-7960 (JP, U) Actually opened 5-40726 (JP, U) Actually opened 61-132483 (JP, U) (58 ) Fields surveyed (Int.Cl. ⁷ , DB name) F24F 1/00 371 F24F 1/00 401 F02N 3/02

Claims (4)

(57) [Claims] 1. A suction port structure, which is installed at a high place, has a suction port for sucking indoor air and a blow port for circulating air into the room, and has a suction port structure equipped with a filter for filtering dust and the like contained in the circulating air. In an air conditioner provided with a lifting device for suspending the main body of the air conditioner and a string-shaped hanging body, and winding up and down the hanging body to elevate and lower a suction structure with a suction port and a filter. , The operation string with the operation handle at the tip is pulled out from the suction port structure,
The suction hole structure is provided with a long hole part that accommodates a part of the operation handle, and the back of this long hole part of the suction hole structure is a material having heat resistance and friction resistance more than the material of the suction structure. An air conditioner installed at a high place, characterized by comprising a protective plate made of, and a space forming body for creating a movable space accommodating the protective plate so as to be freely movable. 2. The protective plate and the upper part of the space forming body forming the movable space both have a through hole, and an operation string having an operating handle at the tip thereof penetrates through this through hole, and the maximum movement of the protective plate and the like. The high-place installation type air conditioner according to claim 1, wherein the dimensional relationship is formed so that the movable range of the operation cord in the state is smaller than the size of the elongated hole portion. 3. The space forming body that forms the movable space can be attached to and detached from the back surface of the suction port structure by providing a fastener or a tab piece on the space forming body itself, for example. High-altitude installation type air conditioner. 4. A cylindrical elevating tool capable of pulling out and winding a hanging body is provided between the suction port structure and the suction port, and each of them is connected to the suction port structure by the hanging body. and the detachably mounted air conditioner comprising, a temperature
Winding the hanging body with step shape around the outer circumference of the descender
A guide member with a C-shaped cross section is installed in the hanging body storage part that holds it.
An air conditioner for high altitude installation, which is slidably engaged on the elevating tool .