JP2002061940A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air conditioner for preventing dew from being formed at a bearing being supported rotatably and connection parts being connected each other in a group of lift/right wind direction boards including a plurality of left/right wind direction boards being provided at an outlet. SOLUTION: A plurality of bearing cylindrical parts 8 with specific length being extended upward is provided at a bottom plate 6a of a catch pan 6 constituting the upper surface of the outlet 3, an insertion hole being extended up and down is provided at the center of the bearing cylindrical part, a bearing bush where connection arms 9a being connected by a connection rod 10 are provided on the upper portion of the outer-periphery surface is supported rotatably, and a rotary support shaft 7a being provided at the upper side of the plurality of left/right wind direction boards 7 is inserted into the insertion hole for support.

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 bearing rotatably supported in a group of left and right wind direction plates including a plurality of left and right wind direction plates provided at an air outlet. The present invention relates to a structure in which dew condensation does not occur in a part and a connecting part that connects to each other.

[0002]

2. Description of the Related Art In a conventional air conditioner, for example, as shown in FIG. 2, a suction port 2 is provided at least on an upper portion of a front surface of a main body 1 and an outlet 3 is provided on a lower portion of the front surface. A vertical portion 4a provided with a dew tray 6 at a lower portion, and a rear inclined portion formed by bending an upper end of the vertical portion 4a backward.
4b, and a blower fan 5 are provided. A left and right wind direction plate group including a plurality of left and right wind direction plates 7 is rotatably supported at the rear of the blow-out port 3, and is provided in front of the left and right wind direction plates. At least one vertical wind direction plate 11 is rotatably supported by the shaft.

However, the plurality of left and right wind direction plates 7
A rotary support shaft 7a connected to the upper side of the blower is provided with a plurality of bearing holes provided on the upper surface of the outlet 3 and an insertion through which the rotary support shaft 7a is rotatably supported by the bearing holes. A connecting arm 9a supported by a bearing portion A including a bearing bush 9 having a hole and connected to the coaxial bearing bush 9.
Are connected to each other by a connecting rod 10 and are accommodated in a gap b formed between the upper surface of the outlet 3 and the dew tray 6, so that the connecting arm 9 a and the connecting rod 10 Is prevented from projecting into the outlet 3 to reduce the air resistance, while the heat exchanger 4
Is cooled by the condensed water dripped from the nozzle and the cool air flowing through the blow-off port 3, and the dew condensation occurs particularly on the arm 9a of the bearing bush 9 accommodated in the gap b and the connecting rod 10 thereof. Had.

[0004]

SUMMARY OF THE INVENTION In view of the above problems, in the present invention, a bearing portion rotatably supported in a left and right wind direction plate group including a plurality of left and right wind direction plates provided at an air outlet. Further, it is an object of the present invention to provide an air conditioner in which dew condensation does not occur in a connecting portion connecting to each other.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides an air passage at at least an upper portion of a front surface of a main body, an air outlet at a lower portion of the front surface, and an air passage connecting the air inlet and the air outlet. A heat exchanger equipped with a dew tray at the bottom,
A left and right wind direction plate group including a plurality of left and right wind direction plates is rotatably supported at the rear of the outlet, and at least one vertical wind direction plate is rotatably mounted in front of the left and right wind direction plates. In a supported air conditioner, a plurality of bearing cylinders of a predetermined length extending upward are provided on a bottom plate of the dew receiving tray constituting an upper surface of the outlet, and a coaxial receiving cylinder is provided with a vertically extending central portion. A bearing bush provided with an extending insertion hole and having connecting arms connected to each other by a connecting rod at the upper part of the outer peripheral surface is rotatably supported, and a rotation support shaft connected to the upper side of the left and right wind direction plates, It is configured to be inserted into the insertion hole and supported.

Further, the bearing bush is made of a synthetic resin having a self-lubricating property.

Further, the bearing bush has a configuration in which a small-diameter portion having a small allowable diameter is formed substantially at the center of the external portion, and the upper and lower external portions excluding the small-diameter portion are supported by the bearing cylindrical portion.

[0008] Further, at least one pair of locking pawls, which are elastically reduced in diameter with respect to the upper bush and are inserted into the upper portion of the rotation support shaft, and which can be locked to the upper edge of the upper bush. Are provided, and the rotating support shaft and the upper bush are integrally connected by the locking piece so that relative rotation does not occur between them. .

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings as examples. 1A and 1B are explanatory views of an air conditioner according to the present invention, in which FIG. 1A is a cross-sectional view showing a left and right wind direction plate, and FIG. 1B is a cross-sectional view showing a bearing portion and a connecting portion of the left and right wind direction plate. In addition, regarding the basic configuration of the air conditioner of the present invention, the suction port 2 provided on the upper front surface and the upper surface of the main body 1 described above with reference to FIG. About the same, it is the same as the prior art, and the description is omitted.

In the drawing, reference numeral 3 denotes an outlet provided at a lower portion of the front surface of the main body 1, and 4 denotes a vertical portion 4a and the rear inclined portion.
4b is a heat exchanger, 5 is a blower fan provided in the air passage, 6 is the vertical portion 4a of the heat exchanger 4.
A plurality of left and right wind direction plates 7 are rotatably supported by a bearing portion A at a rear portion of the outlet, and a plurality of left and right wind direction plates 7 constitute a left and right wind direction plate group. It is at least one vertical wind direction plate that is rotatably supported forward.

In the basic configuration described above, the air outlet 3
Of the left and right wind direction plate group including a plurality of left and right wind direction plates 7 provided on the shaft, the dew condensation on the bearing portion A rotatably supported by the shaft and the connecting portion including the connecting arm 9a and the connecting rod 10 connected to each other. The structure for preventing the occurrence of the above will be described below.

A plurality of bearing cylinders 8 of a predetermined length extending upward are provided on the bottom plate 6a of the dew tray 6 constituting the upper surface of the outlet 3, and the coaxial receiving cylinder 8 extends vertically in the center. A bearing bush 9 having an insertion hole, and having a connecting arm 9a connected to each other by a connecting rod 10 at an upper portion of an outer peripheral surface, is rotatably supported by a shaft, and is rotatably supported at an upper side of the left and right wind direction plates 7. The shaft 7a is configured so as to be inserted into and supported by the insertion hole. This makes it possible to solve the above-described problems in the related art. Since it has a structure that extends upward and is formed in a cylindrical shape having a predetermined length, a bearing portion A including a coaxial receiving cylindrical portion 8 and the bearing bush 9 supporting the rotary support shaft 7a, Upper part of the condensed water a accumulated in the saucer 6 The dew condensation does not occur on the connecting portion composed of the connecting arm 9a and the connecting rod 10 which is floated on the surface.

The bearing bush 9 is formed of a self-lubricating synthetic resin such as a polyacetal resin, for example, and has a small diameter at the approximate center of the outer portion as shown in FIG. 1 (B). Forming a small diameter portion 9b,
Since the upper and lower outer portions except the small diameter portion 9b are supported by the bearing cylindrical portion 8, the bearing bush 9 is configured so that the upper and lower outer portions can be smoothly rotated by the bearing cylindrical portion 8. In addition, the bearing can be stably supported so as not to cause backlash.

Further, as shown in FIG. 1B, the upper portion of the rotary support shaft 7a is inserted into the bearing bush 9 while being elastically reduced in diameter. At least a pair of locking pieces 7c having locking claws 7b that can be locked to the edge are provided, and the rotation supporting shaft 7a and the bearing bush 9 are relatively positioned between the locking pieces 7c by the locking pieces 7c. It is configured so as to be integrally connected so as not to cause rotation displacement, whereby the locking claw 7b is accurately locked to the upper edge of the bearing bush 9, and the rotation support shaft 7a and the rotation The bearing bush 9 and the bearing bush 9 are integrally and firmly connected so that a relative rotational displacement does not occur between them.

With the above structure, FIGS. 1A and 1
As shown in (B), a plurality of bearing cylinders 8 of a predetermined length extending upward are provided on the bottom plate 6a of the dew tray 6 constituting the upper surface of the outlet 3, and the center of the coaxial receiving cylinder 8 is provided at the center. Part has a vertically extending insertion hole, and a connecting rod 10
A bearing bush 9 provided with a connecting arm 9a connected to each other by a shaft is rotatably supported by the shaft, and
The rotation support shaft 7a connected to the upper side is inserted into the insertion hole and supported, so that the above-described problem in the related art can be solved. 8 has a structure in which it extends upward and is formed in a cylindrical shape having a predetermined length.
Dew condensation on a bearing portion A composed of the bearing bush 9 supporting the rotary support shaft 7a and a coupling portion composed of the coupling arm 9a and the coupling rod 10 floating above the condensed water a accumulated in the dew tray 6. This is an air conditioner in which no air pollution occurs.

[0016]

As described above, according to the present invention,
In the left-right wind direction plate group including a plurality of left-right wind direction plates provided at the outlet, the air conditioner is configured such that dew condensation does not occur on the rotatably supported bearing portion and the mutually connected connection portion.

[Brief description of the drawings]

FIG. 1 is an explanatory view of an air conditioner according to the present invention, in which (A) is a cross-sectional view showing left and right wind direction plates, and (B) is a cross-sectional view showing a bearing portion and a connection portion of the left and right wind direction plates.

FIG. 2 is a sectional view of an air conditioner according to a conventional example.

[Explanation of symbols]

 3 Outlet 4 Heat exchanger 4a Vertical part 5 Blow fan 6 Dew tray 6a Bottom plate of dew tray 7 Left and right wind direction plate 7a Rotating support shaft 7b Locking claw 7c Locking piece 8 Bearing cylindrical part 9 Bearing bush 9a Connecting arm 9b Small diameter part 10 Connecting rod A Bearing part a Condensed water

Claims (4)

[Claims] A heat exchanger provided with a suction port at least at an upper portion of a front surface of the main body, an air outlet at a lower portion of the front surface, and an air passage connecting the air inlet and the air outlet with a dew tray at a lower portion;
A left and right wind direction plate group including a plurality of left and right wind direction plates is rotatably supported at the rear of the outlet, and at least one vertical wind direction plate is rotatably mounted in front of the left and right wind direction plates. In an air conditioner that is supported, a plurality of bearing cylinders of a predetermined length extending upward are provided on a bottom plate of the dew tray that constitutes an upper surface of the outlet, and a coaxial receiving cylinder is vertically arranged at a central portion. A bearing bush provided with an extending insertion hole and having connecting arms connected to each other by a connecting rod at the upper part of the outer peripheral surface is rotatably supported, and a rotation support shaft connected to the upper side of the left and right wind direction plates, An air conditioner, wherein the air conditioner is supported by being inserted into the insertion hole. 2. The air conditioner according to claim 1, wherein the bearing bush is made of a self-lubricating synthetic resin. 3. The bearing bush is characterized in that a small diameter portion having a small allowable diameter is formed substantially at the center of the external portion, and upper and lower external portions excluding the small diameter portion are supported by the bearing cylindrical portion. The air conditioner according to claim 1 or 2. 4. An at least one pair of locking pawls, which are elastically reduced in diameter with respect to the upper bush and are inserted into the upper portion of the rotation support shaft and can be locked to the upper edge of the upper bush. A locking piece is provided, and the locking piece integrally connects the rotation support shaft and the upper bush so that a relative rotational displacement does not occur between them. The air conditioner according to claim 1 or 3, wherein: