JPH10148390A - High position installation type air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the defective drive of an operation string by providing a protective plate made of a material more excellent in heat resistance and wear resistance than the material of an air inlet structure on a back side of a long hole part of the air inlet structure to form a movable space to movably store the protective plate. SOLUTION: An air inlet structure 8 is provided below an air conditioner. A ring-shaped protective plate 19 provided with a through hole 19a where the material such as metal which is more excellent in heat resistance and wear resistance than the material of the air inlet structure 8 is employed, is arranged on a back side of a slotted hole part 18 of the air inlet structure 8. A through hole 20b to pass an operation string 16 is provided in a head part of a space body 20b in which a cylindrical space 20a which is a movable space where the protective plate 19 is movably stored in the vertical direction is formed, and its lower end side is adhered to the air inlet structure 8 with the adhesive, etc. The dimensional relationship of A<B is established so that the movable range A of the operation string 16 in the maximum movable condition where the protective plate 19 is abutted on a space body 20 is smaller than the dimension B of the slotted hole part 18.

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-altitude air conditioner of a type 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-mounted air conditioner disclosed in, for example, Japanese Utility Model Application Laid-Open No. Hei 3-20668, wherein 1 is a building ceiling, and 2 is a ceiling 1 of the building. A ceiling plate 3, which is provided below and forms a ceiling space, is an air conditioner main body suspended by hanging bolts 4 below the ceiling 1, and is provided with a heat exchanger 5, a blower 6, a drain pan 7, and the like. . Reference numeral 8 denotes a suction port structure composed of a decorative panel provided with an air suction port 9 and an air discharge port 10. Has a lower end fastened to a stopper 13 so as to be suspended.

[0003] When the air conditioner is installed, when the suction port structure 8 is attached to the air conditioner body 3, the lifting and lowering tool 12 is used.
The wire 11 is pulled out downward, and its tip is fastened to the stopper 13 of the suction port structure 8 placed below. Here, when the suction port structure 8 is lifted lightly upward, the wire 11 is wound up by the lifting / lowering device 12, the suction port structure 8 moves upward, and is fitted to the position of the air conditioner main body 3.

When the air conditioner body 3 is inspected, when the suction port structure 8 is pulled downward, the wire 11
The suction port structure 8 which is drawn out moves downward and stops at an arbitrary position as shown by a two-dot chain line. When the suction port structure 8 is lifted lightly upward, the wire 11 is wound up by the lifting / lowering device 12, and the suction port structure 8 is fitted into the original position.

[0005]

In the conventional high-altitude air conditioner constructed as described above, the maintenance and inspection work of the equipment provided in the suction port structure is performed at a place close to the ceiling or at a place close to the ceiling. The work is performed using a stepladder and the like, and even for relatively simple work such as cleaning the filter provided on the suction port structure, the workability is deteriorated because it is necessary to use a stepladder or the like. There was a point.

In order to raise and lower the suction port structure,
When the suction port structure must be directly lowered, an operation cord or the like is provided on the elevating device, and an operation handle is provided on this, and when the operation handle is pulled down from the slot, or when the operation handle returns to the slot, For example, when the operation is performed in an oblique direction, the operation string is mainly made of metal or a resin string having the same level of strength, the suction port structure is lighter, and the resin material is generally used because of moldability. When the contact is made, the suction port structure side is scraped off due to wear, and the operating cord comes into contact with the inner edge of the elongated hole, and the inner edge of the elongated hole is worn and scraped. .

Although the use of a material having heat resistance and friction resistance on the side of the suction port structure can solve the above problem, the size of the suction port structure is larger than that of the protective plate, and it is a design object. 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 as to automatically fit in a predetermined direction of the long hole, a protective plate made of a material having heat resistance and friction resistance is provided behind the long hole. There is a problem that the operation handle cannot be accommodated in the case of fixing the.

In addition, when the suction port structure is moved up and down by the hanging body, the winding speed of the hanging body and the moving speed of the suction port structure are not always constant at the hanging body winding portion of the lifting / lowering tool. Cases occur. At that time, there is a problem that the suspended body comes off from the suspended body winding portion of the lifting / lowering device or the slack is generated, so that the suspended body cannot be smoothly wound.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and has as its object to easily and efficiently perform maintenance and inspection work by simplifying the lifting and lowering of a suction port structure.

Further, when the operating handle of the operating cord is pulled down from the slot, or when the operating handle returns to the slot, the operating handle may be pulled in any direction or the operating handle may be returned from any direction. It is an object of the present invention to provide an air conditioner capable of preventing an operation cord from being in contact with an inner edge of a long hole portion and abrading the inner edge of the long hole portion to scrape.

Another object of the present invention is to provide an air conditioner which satisfies the above-mentioned object and has a stable quality which is inexpensive and can be used for many years by simple replacement of parts.

It is another object of the present invention to provide an air conditioner in which the lifting and lowering device can be smoothly pulled out and wound up when the suction port structure is vertically moved.

[0014]

The high-altitude air conditioner according to the present invention has a suction port that is installed at a high place and sucks indoor air, and a blow port that recirculates air into the room. A suction port structure equipped with a filter for filtering contained garbage etc. is suspended by the air conditioner body and a string-shaped suspension body, and the suspension body is provided with a suction port arrangement filter by winding or rewinding. In the air conditioner provided with a lifting device for lifting and lowering the suction port structure, an operation cord having an operation handle at the tip is drawn out of the suction port structure, and a part of the operation handle is stored in a long hole portion. Is provided on 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 behind the long hole of the suction port structure, and this protective plate can be freely moved. Moveable space stored It is provided with a space-forming member to make.

Further, in the high-installation type air conditioner according to the present invention, both the upper part of the space forming body which forms the movable space with the protection plate or the like has a through hole, and the operating handle is provided at the tip of the through hole. The dimensional relationship is formed such that the operating cord has a penetrating shape and the movable range of the operating cord in the maximum movement state of the protection plate or the like is smaller than the elongated hole dimension.

Further, in the high-installation type air conditioner according to the present invention, the space forming body forming the movable space is provided on the back surface of the suction port structure by providing, for example, a fastener or a nail piece on the space forming body itself. It is made detachable.

Further, in the air conditioner mounted on a high place according to the present invention, a lifting / lowering device capable of pulling out and suspending a suspension body is disposed between the suction port structure and the suction port, and each of the lifting / lowering tools is provided with a suspension body. In the air conditioner, which is connected at a position and is detachably provided, a guide member having a C-shaped cross section is provided which is engaged with a suspension body storage portion provided at one end of an outer peripheral step portion of the lifting / lowering tool. is there.

[0018]

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiment 1 FIG. FIG. 1 is a perspective view showing Embodiment 1 of the present invention, which has a suction port 9 for sucking air in a room installed at a high place and an air outlet 10 for circulating air into the room,
Filter 1 for filtering dust and the like contained in the circulating air
5 is provided in the suction port structure 8, the suction port structure 8 is suspended by the air conditioner body 3 and the suspension body 11, and the suspension body 11 is wound up or down by the lifting / lowering device 12. The suction port 12 and the suction grill 15 can be moved up and down. The operation handle 1 has an operation cord 16 for controlling the elevation and has a semicircular rib 17a at the tip of the operation cord.
7, and the operation cord 16 is drawn out from a long hole portion 18 of a size that fits 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 of the long hole of the suction port structure of the high-altitude air conditioner showing one embodiment of the present invention. Explaining with reference to the above-described 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 port structure 8, a through hole 19 in which a material having a higher heat resistance and a higher friction resistance than the material of the suction port structure 8 such as a metal in this case is used.
The ring-shaped protection plate 19 provided with a is disposed. Reference numeral 20 denotes a space forming body which forms a cylindrical space 20a which is a movable space in which the protection plate 19 is accommodated so as to be freely movable up and down. The lower end face 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 in which the protective plate 19 abuts on the space forming body 20 is smaller than the dimension B of the slot 18. Are formed such that A <B.

Next, the operation will be described. With the above-described configuration, for example, when the operation handle 17 is pulled obliquely downward, the protection plate 19 is moved to the movable space 20.
a, the movable range of the operation cord 16 at this time is smaller than the dimension B of the elongated hole portion 18, so that the operation cord 16 may eventually contact the inner edge of the through hole 19 a of the protection plate 19. However, when the operation handle 17 is housed in the suction port structure 8, the protection plate 19 escapes to the upper part when the operation handle 17 is stored in the suction port structure 8, so that the storage of the operation handle 17 is not hindered. Absent.

Therefore, according to the present invention, in the high-altitude air conditioner in which the suction grille 15 is connected by a plurality of suspension bodies 11, when the operation handle 17 is pulled, the suction grille 15 is pulled.
When the operating handle 17 is pulled down and opened again, the suction grill 15 and the operating handle 17 perform an operation of returning to a predetermined position. However, the suction port structure 8 is provided behind the elongated hole 18 of the suction port structure 8. 8, a protective plate 19 made of a material having higher heat resistance and frictional resistance than the material of No. 8, and a space forming body 20 for forming a "cylindrical space" which is a movable space 20a in which the protective plate 19 is freely movably accommodated. The upper parts are both through holes 19a and 20
b, and an operation cord 16 having an operation handle 17 at a tip thereof penetrates the through holes 19a and 20b. “Protective plate 19
The dimension relationship A <B such that the movable range A ”of the operation cord 16 in the maximum movement state of“ A ”is smaller than the“ dimension B of the elongated hole 18 ”.
Is formed, for example, even if the operation handle 17 is pulled obliquely downward, the movement of the protection plate 19 and the like in the movable space 20a is limited, and eventually the operation cord 16 comes into contact with the inner edge of the through hole 19a of the protection plate 19. However, there is no possibility of contact with the inner edge of the long hole portion 18.

When the operation handle 17 returns to the long hole 18, the protection plate 19 can move freely, so that the operation handle 17 provided with the rib 17a fits in the long hole 18 without any problem.

Embodiment 2 FIG. FIG. 4 shows a slot 18 of the suction port structure 8 of the air conditioner according to Embodiment 2 of the present invention.
It is a longitudinal section showing the back. In the second embodiment, instead of the protection plate 19, as shown in a perspective view in FIG. 5, the thin cylindrical portion 21a of the protective member 21 provided by integrally forming a thin cylindrical portion 21a at the center and a flange portion 21b at one end faces downward. It is incorporated in the movable space 20a so as to be freely movable.

The second embodiment of the present invention has the same operations and effects as those of the first embodiment, but the possibility that the operation cord 16 comes into contact with the inner edge of the flange portion 21b is reduced by the small cylindrical portion 21a. Further, when the operation handle 17 is accommodated in the long hole portion 18, the protection member 21 is also accommodated in the back of the suction port structure 8, and there is no problem in design.

Embodiment 3 FIG. FIG. 6 is a cross-sectional view showing the back of the long hole 18 of the suction port structure 8 of the air-conditioner mounted at a high place according to the third embodiment of the present invention, and FIG. FIG. In the third embodiment, a protection arm 22 has a pair of arm portions 22b on both side surfaces of a cylindrical portion 22b having a through hole 22a at the center, instead of the protection plate 19 of the first embodiment. At both ends, a disk 22e having a claw piece 22d at the edge is provided. 2
Reference numeral 3 denotes a groove for allowing the protection arm 22 to slide up and down within the movable space 20a of the space forming body 20, and is formed on both side surfaces of the space forming body 20. Numeral 24 is a projection provided near the two groove portions 23 of the space forming body 20 and in the middle of the groove portion 23 in the vertical direction. The maximum arm rotation angle state of the protection arm 22 when the operation handle 17 is pulled obliquely downward. The movable range C of the operation cord 16 at
By configuring so that C <D, which is smaller than D, the same effect as in the first embodiment can be obtained.

Embodiment 4 FIG. 8 is a longitudinal sectional view showing the back of the long hole 18 of the suction port structure 8 of the air conditioner mounted at a high place according to the fourth embodiment of the present invention. Embodiment 1 above,
2 and 3, the space forming body 20 forming the movable space 20a is, for example, a fastener 2 such as a screw in the present invention.
5 is secured to the back surface of the suction port structure 8 by being detachably fastened and fixed. Even if the inner edge of the through-hole 19a of the protection plate 19 is worn out in the first embodiment, for example, the protection plate 19 can be replaced. This allows the same inlet structure to be used for many years.

Embodiment 5 In the fourth embodiment, the space forming body 20 forming the movable space 20a is made detachable from the back surface of the suction opening 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 engagement concave portion 27 for engaging and locking the claw piece 26 behind the long hole 18 of the suction opening structure 8 is formed in the suction port. 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 in the fourth embodiment is obtained.

Embodiment 6 FIG. In the sixth embodiment shown in FIG. 10, reference numeral 12 denotes a cylindrical lifting / lowering device attached to the suction port structure 8, and reference numeral 12 a denotes a suspension which winds and holds a hanging body 11 around one end of an outer peripheral portion of the lifting / lowering device 12. The body storage section, the suspended body storage section 12a is composed of a flange 12b having a stepped outer peripheral portion of a circular shape, a guide member mounting section 12c, and a suspended body winding section 12d. I have. 12e is a guide member, and the guide member mounting portion 1
2c having an elastic force so as to engage with 2c and having a C-shaped 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 suspension member storage portion 12a is engaged with the suspension member storage portion 12a of the lifting device 12 by the guide member 12e.
The guide member 12e is limited by the hanging body 11 even if the lifting / lowering tool 12 rotates during unwinding and winding of the hanging body 11, so that the guide member 12e is placed on the winding / lifting tool 12 so as to keep the same direction. , And the moving direction of the suspension body 11 is maintained.

[0031]

As described above, in the high-altitude air conditioner according to the first aspect of the present invention, a suction port that is installed at a high place and sucks indoor air and an air outlet that recirculates air into the room are provided. , And a suction port structure provided with a filter for filtering dust and the like contained in the circulating air is hung by an air conditioner body and a string-shaped hanging body, and the hanging body is taken up or unwound. In the air conditioner provided with a lifting / lowering device for lifting / lowering the suction port structure provided with the suction port and the filter, an operation cord having an operation handle at the tip is pulled out from the suction port structure, and a part of the operation handle is stored. The suction hole structure is provided in the suction hole structure, and a protection plate made of a material having higher heat resistance and friction resistance than the material of the suction hole structure is provided behind the long hole portion of the suction hole structure. Free movement of protection plate The structure is provided with a space forming body that creates a movable space housed in the housing, so that the design surface of the suction port structure is not damaged, drive failure of the operation cord is reduced, and the product life is further extended. It has the effect that can be.

In the high-altitude air conditioner according to a second aspect of the present invention, both the protective plate and the upper part of the space forming body that forms the movable space have a through hole, and the through hole has a front end. The operation string with the operation handle is penetrated,
Because the dimensional relationship is formed so that the movable range of the operation cord in the maximum movement state of the protection plate etc. is smaller than the long hole part size, the operation handle can be pulled down from the long hole part, and conversely, the operation handle When returning to the slot, no matter what direction the operating handle is pulled, or from which direction the operating handle is returned, the operating cord contacts the inner edge of the slot and wears the inner edge of the slot. This has the effect that shaving can be prevented at low cost.

In the air conditioner according to the third aspect of the present invention, the space forming body that forms the movable space is sucked by providing the fastener or the space forming body with a tab piece. The structure is designed so that it can be attached to and detached from the back of the mouth structure, so that it can be attached to and detached from the back of the intake structure, and it can be used as a long-life suction opening with only simple replacement of the protection plate parts. Is played.

[0034] In the high-altitude air conditioner according to a fourth aspect of the present invention, a lifting / lowering device capable of pulling out and suspending a suspended body is provided between the suction port structure and the suction port.
Each is connected to the suction port structure with a hanging body,
In the air conditioner which is detachably mounted, a guide member having a C-shaped cross section is provided so as to be engaged with a hanging body storage portion provided at one end of the outer peripheral step portion of the elevating and lowering device. In this case, the hanging body can be prevented from being loosened or detached when the hanging body is stored or pulled out due to the vertical movement of the hanging member, so that a smooth operation can be ensured.

[Brief description of the drawings]

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

FIG. 2 is a longitudinal sectional view showing a main part of the high-altitude air conditioner according to Embodiment 1 of the present invention.

FIG. 3 is a longitudinal sectional view showing an operation state of a main part of the high-altitude air conditioner according to Embodiment 1 of the present invention.

FIG. 4 is a longitudinal sectional view showing a main part of an air conditioner mounted at a high place according to a second embodiment of the present invention.

FIG. 5 is a perspective view showing a main part of a high-altitude air conditioner according to Embodiment 2 of the present invention.

FIG. 6 is a longitudinal sectional view illustrating a main part of an air conditioner mounted at a high place according to a third embodiment of the present invention.

FIG. 7 is a partially broken perspective view showing a main part of a high-altitude air conditioner according to Embodiment 3 of the present invention.

FIG. 8 is a vertical sectional view showing a main part of an air conditioner mounted on a high place according to a fourth embodiment of the present invention.

FIG. 9 is a longitudinal sectional view showing a main part of an air conditioner mounted at a high place according to a fifth embodiment of the present invention.

FIG. 10 is a partially enlarged perspective view showing a main part of an air conditioner mounted on a high place according to a sixth embodiment of the present invention.

FIG. 11 is a longitudinal sectional view showing a conventional high-place air conditioner.

[Explanation of symbols]

3 air conditioner, 8 suction port structure, 12 lifting equipment, 1
2a Hanging body storage section, 12b flange, 12c
Guide member mounting part, 12d hanging body winding part, 1
2e guide member, 16 operation cord, 17 operation handle, 1
8 long hole part, 19 protective plate, 20 space forming body, 20a
Movable space, 21 protection member, 22 protection arm, 2
5 Fasteners, 26 nail pieces.

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Masashi Yamada 2-6-1, Otemachi, Chiyoda-ku, Tokyo Mitsubishi Electric Engineering Co., Ltd.

Claims (4)

[Claims] 1. A suction port structure which is installed at a high place and has a suction port for sucking indoor air and an air outlet for circulating air into the room and provided with a filter for filtering dust and the like contained in the reflux air. In the air conditioner provided with a lifting / lowering device that suspends the air conditioner body and a string-shaped hanging body, and winds or unwinds the suspended body to raise and lower the suction port structure provided with the suction port and the filter. An operation string having an operation handle at the tip is pulled out from the suction port structure,
A long hole is provided in the suction port structure so that a part of the operation handle can be housed, and a material with heat resistance and friction resistance higher than the material of the suction port structure behind the long hole of the suction port structure A high-altitude air conditioner, comprising: a protection plate comprising a protection plate, and a space forming body for creating a movable space in which the protection plate is freely movable. 2. The protection plate and the upper part of the space forming body which forms the movable space each have a through hole, through which an operation string having an operation handle at the tip is penetrated, and the maximum movement of the protection plate and the like is achieved. A height-installed air conditioner characterized in that the dimensional relationship is formed so that the movable range of the operating cord in the state is smaller than the length of the elongated hole. 3. The space forming body forming the movable space is detachable from the back surface of the suction port structure by providing a nail member on a fastener or the space forming body itself. A high-altitude air conditioner as described in the item. 4. An elevating device which can draw out and wind up a suspended body between the suction port structure and the suction port, is connected to the suction port structure by the suspended body, and is detachable. A guide member having a C-shaped cross section that engages with a suspension body storage portion provided at one end of an outer peripheral step portion of the elevating and lowering device. Harmony machine.