JP4798152B2 - Air conditioner - Google Patents

Description

  The present invention relates to an air conditioner including a left / right airflow direction device at an outlet of an indoor unit.

  Conventionally, an indoor unit blowout port has been provided with an up-and-down wind direction plate that widens the direction of the blown wind in the vertical direction and a plurality of left and right wind direction plates that widen the direction of the blown wind in the left-right direction, and automatically according to the operation mode of the air conditioner In the wind direction adjusting device for an air conditioner that switches the direction of the blown air, a sub left and right wind direction plate is provided behind the left and right wind direction plate, and the sub left and right wind direction plate is connected to the left and right wind direction plate by a connecting arm. There is one that follows the rotation of the right and left wind direction plates and interlocks in the left and right direction (see, for example, Patent Document 1).

  In addition, conventionally, an indoor unit main body, a blow nozzle provided below the air passage formed in the main body and having a blow outlet, and a blow air flow which is provided at the blow nozzle and passes through the air passage are left and right. A plurality of left and right sheets driven by a coupling mechanism by a single drive source at different angles, separated from each other and separated from each other along the flow direction of the airflow. There is a wind direction adjusting device for an air conditioner that includes a wind direction plate, each of the left and right wind direction plates has a rotation axis and is connected to the front and rear by an interlocking arm, and the interlocking arm is fixed to one of the left and right wind direction plates. (For example, refer to page 7 of Patent Document 2 and FIGS. 16 to 18).

  In addition, conventionally, an indoor unit main body, a blow nozzle provided below the air passage formed in the main body and having a blow outlet, and a blow air flow which is provided at the blow nozzle and passes through the air passage are left and right. And a plurality of right and left wind direction plates that are divided forward and backward along the flow direction of the airflow, each driven by a coupling mechanism by a single drive source at different angles. There is a wind direction adjusting device for an air conditioner that moves the left and right wind direction plates by connecting the connecting mechanism to the respective moving side ends of the left and right wind direction plates (see, for example, Patent Document 2).

Japanese Patent Laid-Open No. 05-118637 Japanese Patent No. 3792032

  However, since the left and right wind direction plates and the sub left and right wind direction plates described on page 7 of Patent Document 1 and Patent Document 2 are separated from each other, the wind enters the adjacent air path from the gap between them. There was a problem that the airflow loss increased due to interference with the wind in the adjacent wind path. Moreover, what was described except the 7th page of patent document 2 had the problem that the connection mechanism and drive mechanism of right-and-left wind direction plates were complicated, and there were many number of parts, and durability and reliability were missing.

  The present invention has been made in view of the above, and an air conditioner including a left and right wind direction device having a simple connection mechanism and a drive mechanism between left and right wind direction plates, a small number of parts, and high durability and reliability. The purpose is to obtain.

  In order to solve the above-described problems and achieve the object, the present invention provides an air conditioner having a left and right airflow direction device at an outlet of an indoor unit, and is provided in a row in the left-right direction at the back of the outlet. A plurality of first wind direction plates pivotally supported by a plurality of first bearing portions and swingable to the left and right, and supported at respective distal ends of the plurality of first wind direction plates so as to be swingable to the left and right. A plurality of second wind direction plates, a first connecting arm that connects the first wind direction plates so that the plurality of first wind direction plates swing in parallel to each other, and the plurality of second wind direction plates are mutually connected. A base end portion is pivotally supported by a second connecting arm that connects the second wind direction plates so as to swing in parallel to the left and right, and a second bearing portion that is spaced apart on the leeward side of the first bearing portion. The tip is pivotally supported by the second wind direction plate and swings left and right together with the second wind direction plate so that the second wind direction plate is moved to the first wind direction. At least one oscillating arm that bends with respect to the drive unit, and a drive link that is installed in the indoor unit and is connected to the oscillating arm to cause the plurality of first and second wind direction plates to bend to the left and right while bending each other. And a right and left wind direction device having a portion.

  According to the present invention, there is an effect that an air conditioner including a left and right wind direction device having a simple connection mechanism and a drive mechanism between left and right wind direction plates, a small number of parts, and high durability and reliability can be obtained.

  Embodiments of an air conditioner according to the present invention will be described below in detail with reference to the drawings. Note that the present invention is not limited to the embodiments.

  FIG. 1 is a lower perspective view showing an appearance of an indoor unit of an air conditioner equipped with a left / right wind direction device according to the present invention, and FIG. 2 is a left / right wind direction device according to the present invention installed at an outlet of the indoor unit. 3 is an enlarged view of a main part of the left and right wind direction device, FIG. 4 is a plan view of the left and right wind direction device, and FIG. 5 is a left and right wind direction plate swung to the left. FIG. 6 is a plan view showing a state in which the left and right wind direction plates are further swung leftward.

  As shown in FIG. 1, an indoor unit 100 of an air conditioner according to an embodiment is formed in a rectangular parallelepiped shape whose outer shape is formed, and a suction port formed in a top panel 12 installed on the top of the housing 10, and the housing 10. And an air passage formed in the housing 10 between the air inlet and the air outlet 14.

  In the air passage, a filter for dust removal, a heat exchanger and a blower fan are arranged in this order from the suction port side. The blower fan is rotationally driven to suck indoor air from the suction port into the air passage, remove dust with a filter, cool or heat with a heat exchanger, and blow out into the room through the outlet 14. An up-and-down air direction device 20 is installed at the foremost part of the air outlet 14.

  As shown in FIGS. 2 to 6, the right and left wind direction device 30 of the embodiment of the present invention is installed at the outlet 14 on the back side of the up and down wind direction device 20. The left and right wind direction device 30 includes a plurality of first wind direction plates 31 and 31, a plurality of second wind direction plates 32 and 32, a first connection arm 33, a second connection arm 34, a swing arm 35, and a drive unit. 40.

  A plurality of first bearing portions 31b and 31b are provided in the back portion of the air outlet 14 at predetermined intervals in a line in the left-right direction. The base ends of the plurality of first wind direction plates 31 and 31 are pivotally supported by the first bearing portions 31b and 31b so as to be able to swing left and right. Further, a plurality of second wind direction plates 32, 32 are pivotally supported at the respective distal ends of the plurality of first wind direction plates 31, 31 so as to be capable of swinging left and right via swing shafts 31a, 31a. . The hinge part is formed so that the clearance gap between the 1st wind direction board 31 and the 2nd wind direction board 32 may become the minimum clearance gap.

  A plurality of first wind direction plates 31 and 31 are pivoted left and right so that the first wind direction plates 31 and 31 swing left and right in parallel with each other (see FIG. 4). The first connection arm 33 is connected. Further, the second wind direction plates 32, 32 are arranged in front of the second wind direction plates 32, 32 so that the plurality of second wind direction plates (interaxial distance W) 32, 32 are parallel to each other and swing left and right. The second connecting arms 34 are connected via upper shaft portions 32a and 32a provided on the upper portion.

  A second bearing portion 35b is provided at a distance to the leeward side of the first bearing portion 31b at the right end (distance U between the first and second bearing portions). The oscillating arm 35 is pivotally supported at the base end thereof so as to be oscillatable to the left and right by the second bearing portion 35b, and the distal end is pivotally supported by a lower shaft portion 35a provided at the lower front portion of the second wind direction plate 32. (The distance S between the axes of the swing arm).

  The distance T from the first bearing portion 31b to the lower bearing portion 35a of the second wind direction plate 32 becomes the maximum when the swing arm 35 is facing the front, and T = the inter-axis distance V of the first wind direction plate 31 + the second. The distance W between the axes of the two wind direction plates 32 is obtained. As shown in FIG. 5, when the swing arm 35 swings to the left (right) about the second bearing portion 35b, the second wind direction plate 32 and the first wind direction plate are pulled by the swing arm 35. 31 also swings to the left (right), and T <V + W according to the swing angle. Therefore, the second wind direction plate 32 is in response to the first wind direction plate 31 according to the swing angle. Bend gradually to the left (right).

  A locking hole 35 c is provided in a portion near the base end portion of the swing arm 35, and a locking projection provided at a lower portion of the first wind direction plate 31 is engaged with the locking hole 35 c. By this engagement, the first wind direction plate 31 moves forward and swings to the left (right side), and the first wind direction plate 31 and the second wind direction plate 32 are prevented from being folded backward, and the second wind direction plate 32 can always be gradually bent in the swinging direction.

  As shown in FIG. 6, the position where the locking hole 35 c of the swing arm 35 is provided is such that the first wind direction plate 31 has a width of the swing arm 35 when the swing arm 35 is swung to the maximum swing position. Position it so that it is approximately in the middle. With such a position, when the swing arm 35 is swung to the left and right, the movement of the locking projection in the width direction is small, and the hole diameter of the locking hole 35c can be reduced.

  A drive unit 40 is installed on the right side of the indoor unit 100. The drive unit 40 includes a motor (not shown) installed in the control box 110 of the indoor unit 100, a swing crank (not shown) attached to the rotation shaft of the motor, and a connecting link 42 (FIG. 2) connected to the swing crank. And a drive link 41 that connects the connecting link 42 and a portion closer to the base end than the locking hole 35c of the swing arm 35.

  When the motor is driven to swing the swing crank to the left and right, the swing arm 35 swings to the left and right via the connecting link 42 and the drive link 41 and is connected to each other by the first and second connecting arms 33 and 34. The plurality of first and second wind direction plates 31 and 32 are swung left and right while being bent with respect to each other.

  The first wind direction plates 31 and 31 are connected to each other by the first connecting arm 33 via the swing shafts 31a and 31a. However, the first wind direction plate 31 is separately provided with an upper shaft portion, You may make it connect with the 1st connection arm 33 via an upper axial part. Further, the first and second connecting arms 33 and 34 are connected to the upper side of the first and second wind direction plates 31 and 32, and the swing arm 35 is connected to the lower side of the second wind direction plate 32. The first and second connection arms 33 and 34 may be connected to the lower side of the first and second wind direction plates 31 and 32, and the swing arm 35 may be connected to the upper side of the second wind direction plate 32. . The drive unit 40 is a swing crank system, but may be a pinion and rack system.

  As described above, the left and right wind direction device 30 according to the embodiment includes the plurality of first wind direction plates 31 that are pivotally supported by the base end portions of the plurality of first bearing portions 31b and 31b and swingable to the left and right. A plurality of second wind direction plates 32 that are pivotally supported by the respective front end portions of the one wind direction plate and can swing left and right, a first connection arm that connects the plurality of first wind direction plates 31, 31 to each other, and a plurality of second wind direction plates. A base end portion is pivotally supported by a second coupling arm that couples the wind direction plates 32, 32 to each other and a second bearing portion 35b provided to be separated from the front side of the first bearing portion 31b, and a distal end portion is a second wind direction plate 32. At least one oscillating arm 35 that pivots left and right together with the second wind direction plate 32 to bend the second wind direction plate 32 with respect to the first wind direction plate 31, and a drive link 41 to the oscillating arm 35. The plurality of first and second wind direction plates 31 and 32 that are connected are swung left and right while bending each other. That a drive unit 40, so provided with a coupling mechanism and a driving mechanism between the louver 31,31,32,32 less number of parts is simple, durable, reliable.

  As described above, the air conditioner including the left and right wind direction device according to the present invention is simple, has a small number of parts, is highly durable and reliable, and is useful.

It is a lower perspective view which shows the external appearance of the indoor unit of the air conditioner which mounts the left-right wind direction apparatus concerning this invention. It is a downward perspective view of the right-and-left wind direction device concerning the present invention installed in the blower outlet of an indoor unit. It is a principal part expansion downward perspective view of a left-right wind direction apparatus. It is a top view of a left-right wind direction device. It is a top view which shows the state which rocked the left and right wind direction board to the left. It is a top view which shows the state which rock | fluctuated the left-right wind direction board further to the left.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Housing 12 Top panel 14 Air outlet 20 Vertical wind direction device 30 Left and right wind direction device 31 1st wind direction plate 31a Oscillation shaft 31b 1st bearing part 32 2nd wind direction plate 32a Upper shaft part 33 1st connection arm 34 2nd connection arm 35 Swing arm 35a Lower shaft portion 35b Second bearing portion 35c Locking hole 40 Drive device 41 Drive arm 42 Connecting arm 100 Indoor unit 110 Control box

Claims (2)

In an air conditioner equipped with right and left wind direction devices at the outlet of the indoor unit,
A plurality of first airflow direction plates whose base end portions are pivotally supported by a plurality of first bearing portions provided in a row in the left-right direction at the back of the air outlet, and can swing left and right;
A plurality of second wind direction plates supported swingably to the left and right at the respective distal ends of the plurality of first wind direction plates;
A first connecting arm that connects the first wind direction plates so that the plurality of first wind direction plates swing in parallel from side to side;
A second connecting arm that connects the second wind direction plates so that the plurality of second wind direction plates swing left and right in parallel with each other;
A base end portion is pivotally supported by a second bearing portion provided on the leeward side of the first bearing portion, and a distal end portion is pivotally supported by the second wind direction plate and swings left and right together with the second wind direction plate. At least one oscillating arm for bending the second wind direction plate with respect to the first wind direction plate;
A drive unit installed in the indoor unit, wherein a drive link is connected to the swing arm and swings left and right while bending the plurality of first and second wind direction plates;
An air conditioner comprising a left and right wind direction device having   The air conditioner according to claim 1, wherein the first wind direction plate is locked to the swing arm.

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