JP3309950B2 - 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 an end of both right and left wind panels adjacent to each other in a group of left and right wind panels connected by a connecting plate to a side approaching each other. The present invention relates to a structure in which the both ends have a predetermined gap so that the amount of ventilation does not decrease so that dew condensation does not occur on the adjacent left and right wind direction plates.

[0002]

2. Description of the Related Art As shown in FIGS. 3, 4 (A) and 4 (B), for example, a conventional air conditioner is provided in an air passage connecting an inlet 2 and an outlet 5 in a main body 1. The heat exchanger 3 and the blower fan 4 are provided, and at least one vertical wind direction plate 7 that rotatably supports the support shafts 7a on both sides is rotated by a plurality of support pieces 7b provided at the blowout port 5. The left and right wind direction plate group 6 movably supported by a shaft and connected by a plurality of connecting plates 8 and provided with a supporting shaft 6a is rotatably supported by a shaft.

[0003] In the above configuration, as shown in FIG. 4 (B), when the wind direction is adjusted by moving the left and right wind direction plate group 6 inward, the left and right wind direction plate groups 6 adjacent to the left and right wind direction plate group 6 are adjusted. The front end of the right and left wind direction plates 6
Since the blown air collides with the vicinity A of the front end, the vicinity A
, The indoor air flows in from the front ends of the left and right wind direction plates 6 to cause dew condensation.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and has a configuration in which the tips of both left and right wind direction plates adjacent to each other in a group of left and right wind direction plates connected by a connecting plate are brought closer to each other. An object of the present invention is to provide an air conditioner in which when both are rotated, the two ends have a predetermined gap so that the amount of ventilation does not decrease so that dew condensation does not occur on the adjacent left and right wind direction plates. And

[0005]

In order to solve the above-mentioned problems, a heat exchanger and a blower fan are provided in an air passage connecting an inlet and an outlet, and at least one vertical wind direction is provided in the outlet. In an air conditioner in which a plate and a pair of left and right wind direction plates connected by a plurality of connection plates are rotatably supported, in the air conditioner, A gear with a tooth portion is provided only on the peripheral portion facing the same, and at the vertex of an isosceles triangle with the straight line connecting the spindles of the two gears as the base,
When the tips of the adjacent left and right wind direction plates approach each other, an intermediate gear meshing with the two gears is rotatably provided, and the tip of one group of the left and right wind direction plates is turned toward the tip of the other group. In this case, the first group of gears mesh with the intermediate gear, and the other group of gears mesh with the intermediate gear when the tip of the other group is rotated toward the tip of the first group. , The tip of the other group is moved toward the tip of the one group, and the tip of the same group is moved in the opposite direction to the tip of the other group.

In addition, a line connecting both side surfaces of the tooth portion of the gear and the center of the gear is formed to be substantially perpendicular.

[0007] Further, a structure is provided in which at least one flat portion is provided so that a support shaft of each of the left and right wind direction plates adjacent to the left and right wind direction plate group and an insertion hole of the gear corresponding to the support shaft are provided. I have.

[0008] A first head having a larger diameter than the support shaft is provided at a tip of a support shaft of both left and right wind direction plates adjacent to the left and right wind direction plate group. The spindle is provided with a first slit having an open end.

In addition, a second head having a larger diameter than the support shaft is provided at the front end of the support shaft of the intermediate gear, and the second head and the support shaft have a second opening with a front end. While providing two slits, providing a bearing hole in the outlet corresponding to the support shaft,
The second head and the support shaft elastically deformed by the second slit are inserted into the bearing holes to rotatably support the intermediate gear.

Further, the intermediate gear and its support shaft are integrally formed.

Further, the gear, the intermediate gear and its support shaft are formed of a slidable synthetic resin.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS With the above construction, when the tips of the adjacent left and right wind direction plates of the right and left wind direction plate group connected by the connecting plate are turned to the side approaching each other, the two front ends are turned. With a predetermined gap so that the ventilation volume does not decrease,
An air conditioner is provided in which dew condensation is prevented from occurring on the adjacent left and right wind direction plates.

[0013]

Embodiments of the present invention will be described below in detail with reference to the drawings. In FIG. 1 and FIGS. 2A to 2C, reference numeral 1 denotes an air conditioner main body, 2 denotes a front cover detachably mounted on the main body 1 and an upper surface of the main body 1. The suction port 3 is provided in an air passage connecting the suction port 2 and an outlet described later, and a heat exchanger for exchanging heat with the air sucked from the suction port 2 is provided in the air passage. A blower fan for sending the heat-exchanged air to an outlet described later, 5 is an outlet for blowing out the air heat-exchanged by the heat exchanger 3 toward a room, and 5a is a lower portion of the outlet 5 Blower casing 6 is supported by the blower casing 5a.
A left and right wind direction plate group rotatably supported by 6a and connected by a connecting plate to be described later is provided on a support piece 7b provided on the outlet 5, and a support shaft provided on both sides is rotatably supported by a shaft. At least one supported vertical wind direction plate 8 is a plurality of connecting plates connecting the left and right wind direction plate groups 6.

The support shaft 6a provided on both left and right wind direction plates 6 adjacent to the left and right wind direction plate group 6 connected by the connection plate 8.
Are gears 9a provided with teeth only on opposing peripheral edges and
9b is provided, and a vertex of an isosceles triangular shape having a base line of a straight line connecting the support shaft 6a is provided with a support shaft 10a, and when the tips of the adjacent left and right wind direction plates 6 are approached to each other, An intermediate gear 10 meshing with the gears 9a and 9b is rotatably provided.

The lines connecting both side surfaces of the tooth portions of the gears 9a and 9b and the rotation centers of the gears 9a and 9b are formed so as to be substantially perpendicular to each other, so that the right and left shown in FIG. When the front end of one group of the wind direction plate group 6 is turned to the other group side, FIG.
As shown in (B), the support shafts of the left and right wind direction plates 6 of the same group
The gear 9b provided on 6a meshes with the intermediate gear 10,
Next, when the front end of the other group is turned to the first group side as shown by an arrow a, the tooth portion of the gear 9a is turned as shown by an arrow b to mesh with the intermediate gear 10, and When the gear 10 rotates as shown by an arrow c, the gear 9b meshed with the intermediate gear 10 rotates as shown by an arrow d, and the front end of the group as shown by an arrow e shows the other group. It is configured to rotate in the opposite direction of the group, so that when the tip of the other group is moved toward the tip of the group, the tip of the same group is moved in the opposite direction to the tip of the other group. The front end of the one group of left and right wind direction plates 6 and the front end of the other group of left and right wind direction plates 6 do not approach or come into contact with each other, and a gap can be appropriately provided.

The front end of the one group of left and right wind direction plates 6 and the front end of the other group of left and right wind direction plates 6 can have an appropriate gap, so that blown air can collide near these front ends. The air flow does not decrease because the air flow does not match, and the indoor air does not flow in from the front ends of the adjacent left and right wind direction boards 6, and dew condensation occurs on the adjacent left and right wind direction boards 6. It is configured not to do so.

The support shafts 6a of the left and right wind direction plates 6 adjacent to the left and right wind direction plate group 6 and the through holes of the gears 9a and 9b corresponding to the support shaft 6a have at least one flat portion f. The gears 9a and 9b can be accurately rotated by rotating the support shaft 6a.

The front end of the support shaft 6a of the left and right wind direction plates 6 adjacent to the left and right wind direction plate group 6 is provided with a first head 6b having a larger diameter than the support shaft 6a. First head 6b and said spindle 6a
Further, by providing a first slit 6c having an open end, the first head 6b and the support shaft 6a are elastically deformed so as to be easily fitted into the insertion holes of the gears 9a and 9b. Has become.

Further, by providing the arc-shaped or linear first inclined portion at the tip of the first head 6b, the tip of the first head 6b is inserted into the insertion holes of the gears 9a and 9b. In this case, it is configured to be easily inserted.

Further, a second head 10b having a larger diameter than the support shaft 10a is provided at the tip of the support shaft 10a of the intermediate gear 10, and the second head 10b and the support shaft 10a are attached to the second head 10b. A second slit 10c having an open end is provided, while a bearing hole is provided in the blower casing 5a constituting the air outlet 5 corresponding to the support shaft 10a, and the bearing hole is elastically deformed by the second slit 10c. The inserted second head 10b and the support shaft 10a are inserted so that the intermediate gear 10 can be easily rotatably supported.

The distal end of the second head 10b is provided with a second arcuate or linear inclined portion, so that the distal end of the second head 10b can be easily inserted into the bearing hole of the air blow casing 5a. It is configured so that it can be inserted and accurately supported.

Further, since the intermediate gear 10 and its support shaft are integrally formed, the dimensions and shape can be finished with high accuracy, and the configuration is advantageous in terms of cost.

The gears 9a and 9b, the intermediate gear 10 and its support shaft 10a are made of a slidable synthetic resin such as polypropylene so that the gears 9a and 9b are The gear 10 smoothly meshes with each other so that the left and right wind direction plates 6 can be accurately rotated.

With the above configuration, as shown in FIG. 1 and FIGS. 2A to 2C, the group of left and right
The gear 9b provided on the support shaft 6a is connected to the intermediate gear 10
When the tips of the left and right wind direction plates 6 of the other group are turned toward the first group as shown by an arrow a, the teeth of the gear 9a are turned as shown by an arrow b and When the gear 9b meshes with the gear 10 and the intermediate gear 10 rotates as indicated by an arrow c, the gear 9b meshed with the intermediate gear 10 rotates as indicated by an arrow d, and the group of left and right The front end of the wind direction plate 6 is indicated by an arrow e.
As shown by, the front end of the left and right wind direction plate 6 of the other group is rotated so as to approach the opposite direction of the left and right wind direction plate 6 so that the front end of the one group of left and right wind direction plates 6 is close to or close to the front end of the other group. A gap can be appropriately provided so as not to abut, so that the blown air does not collide in the vicinity of these front ends so that the amount of ventilation does not decrease, and the indoor air is adjacent to the left and right wind direction plates adjacent to each other. Thus, the air conditioner does not flow from the front end of the air conditioner 6 so that dew condensation does not occur on the adjacent left and right wind direction plates 6.

[0025]

As described above, according to the present invention, when the tips of the adjacent left and right wind direction boards of the group of right and left wind direction boards connected by the connecting plate are turned to the side approaching each other, the two front ends become predetermined. With the gap of the air flow amount will not decrease,
An air conditioner is provided in which dew condensation is prevented from occurring on the adjacent left and right wind direction plates.

[Brief description of the drawings]

FIG. 1 is a sectional view of an air conditioner according to the present invention.

FIG. 2 is an explanatory view of a main part of an air conditioner according to the present invention,
(A) shows the assembled state of the left and right wind direction plate group, the connecting plate and the gear, (B) shows the meshing state of the gear and the intermediate gear,
(C) shows an assembled state of the intermediate gear.

FIG. 3 is a sectional view of an air conditioner according to a conventional example.

FIG. 4 is an explanatory view of a main part of an air conditioner according to a conventional example.
(A) shows the assembled state of the left and right wind direction plate group and the connecting plate,
(B) shows a state in which the tips of the adjacent left and right wind direction plates are turned to the side approaching each other.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Air conditioner main body 2 Suction port 3 Heat exchanger 4 Blower fan 5 Blow-out port 5a Blower casing 6 Left and right wind direction plate group 6a Left and right wind direction plate group support shaft 6b First head 6c First slit 7 Vertical wind direction plate 7a Vertical wind direction Plate support shaft 7b Support piece 8 Connecting plate 9a, 9b Gear 10 Intermediate gear 10a Intermediate gear support shaft 10b Second head 10c Second slit f Flat part

Continuation of the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) F24F 1/00 401 F24F 1/00 361 F24F 13/15

Claims (7)

(57) [Claims] 1. A heat exchanger and a blower fan are provided in an air passage connecting an inlet and an outlet, and the outlet is connected to at least one upper and lower wind direction plate and a plurality of connecting plates by a plurality of connecting plates. In an air conditioner rotatably supporting a wind direction plate group, a gear provided with teeth only on opposing peripheral portions on support shafts of both left and right wind direction plates adjacent to the left and right wind direction plate group. The intermediate gear meshing with the two gears when the tips of the adjacent left and right wind direction plates approach the apex of the isosceles triangle with the straight line connecting the support shafts of the two gears as the base. Provided freely, when the tip of one group of the left and right wind direction plate group is turned toward the tip of the other group, the gears of the first group mesh with the intermediate gear,
When the tip of the other group is turned toward the tip of the group, the gear of the other group is meshed with the intermediate gear to rotate the gear of the first group, and the tip of the other group is turned into the tip of the group. An air conditioner wherein the front end of the same group is moved in the opposite direction to the front end of the other group. 2. The air conditioner according to claim 1, wherein a line connecting both side surfaces of the tooth portion of the gear and the center of the gear is formed substantially at a right angle. 3. The method according to claim 1, wherein at least one flat portion is provided to fit a support shaft of each of the left and right wind direction plates adjacent to the left and right wind direction plate group and an insertion hole of the gear corresponding to the support shaft. The air conditioner according to claim 1, wherein: 4. A first head having a larger diameter than the support shaft is provided at a tip of a support shaft of both left and right wind direction plates adjacent to the left and right wind direction plate group, The air conditioner according to claim 1 or 3, wherein a first slit having an open end is provided on the support shaft. 5. A second head having a second head having a larger diameter than the support shaft is provided at a front end of a support shaft of the intermediate gear, and a second head having an opening at the second head and the support shaft. While providing two slits, a bearing hole is provided in the outlet corresponding to the support shaft, and the second head and the support shaft, which are elastically deformed by the second slit, are inserted into the bearing hole to form the intermediate hole. The air conditioner according to claim 1, wherein the gear is rotatably supported. 6. The air conditioner according to claim 1, wherein the intermediate gear and a support shaft thereof are integrally formed. 7. The apparatus according to claim 1, wherein said gear, said intermediate gear and its support shaft are made of a synthetic resin having a sliding property.
Or the air conditioner according to claim 6.