JPH1123049A - Air conditioner - Google Patents

Abstract

(57) [Problem] To provide an air conditioner in which a diffuser constituting a lower part of an air outlet can be rotated downward without using a dedicated driving device. SOLUTION: A vertical wind direction plate 8 and a diffuser 9 are accommodated between a mounting plate 12 provided facing a side wall 5a of an air outlet 5, and a driving force of a driving motor 11 mounted on the mounting plate is provided. A plurality of links 13 and 17 for transmitting, and connecting parts a and b, linked by a transmitting means consisting of a rod 16 divided into two parts, and a lost motion mechanism provided on the connecting part of the rod and the mounting plate, The diffuser is rotated when the vertical wind direction plate is rotated from a substantially horizontal position to a substantially vertical position.

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 driving motor for driving and rotating a vertical wind direction plate to transfer the vertical wind direction plate from a substantially horizontal position. The present invention relates to a structure in which a diffuser that constitutes a lower portion of an air outlet can be rotated downward without using a dedicated driving device when rotated to a substantially vertical position.

[0002]

2. Description of the Related Art As shown in FIG. 7, for example, a conventional air conditioner has a main body casing 1a connecting an inlet 2 and an outlet 5.
A heat exchanger 3 and a blower fan 4 are provided in the air passage, and a group of left and right wind direction plates 6 and an upper and lower wind direction plate 8 are rotatably supported by the air outlet 5, and at least one of the air outlets 5 is provided. A drive motor 11 for driving the upper and lower wind direction plates 8 around their support shafts 8a and rotating them is provided on the side, and a dedicated driving device
A diffuser 9 having the outlet 5 and having the outlet 19 is rotatably supported by a support shaft 9a, and the drive motor is moved from a stop position where the upper and lower wind direction plates 8 close the outlet 5 to a substantially horizontal position. When driven and rotated by 11, the driving device
19, the diffuser 9 is prevented from rotating by stopping, and when rotated from a substantially horizontal position to a substantially vertical position,
The driving device 19 is driven to rotate the diffuser 9 downward, so that the wind direction during the cooling operation or the heating operation is effectively adjusted, respectively.

However, since the diffuser 9 is configured to be driven and rotated by the dedicated driving device 19, the use of the driving device 19 is disadvantageous in terms of cost. Therefore, there is a problem that the provision of the accommodating portion is an obstacle to reducing the size of the main body 1 because the accommodating portion for accommodating the same is required.

[0004]

SUMMARY OF THE INVENTION In view of the above problems, in the present invention, the driving force of a drive motor that drives and rotates a vertical wind direction plate is transmitted to move the vertical wind direction plate from a substantially horizontal position. It is an object of the present invention to provide an air conditioner in which a diffuser constituting a lower part of an air outlet can be rotated downward without using a dedicated driving device when rotated to a vertical position.

[0005]

In order to solve the above-mentioned problems, a heat exchanger and a blower fan are provided in an air passage of a main body casing connecting an inlet and an outlet, and a left and right wind direction plate is provided at the outlet. A group and a vertical wind direction plate are rotatably supported, and a drive motor for driving the vertical wind direction plate is provided on at least one side of the air outlet, and a diffuser constituting the air outlet is provided below the air outlet. The diffuser is rotatably supported and prevents the diffuser from rotating when the vertical wind direction plate is rotated from a stop position where the air outlet is closed to a substantially horizontal position, and is rotated from a substantially horizontal position to a substantially vertical position. When doing so, in the air conditioner in which the diffuser is rotated downward, the vertical wind direction plate and the diffuser are provided with a shaft hole corresponding to the vertical wind direction plate and a shaft on one side of the diffuser. The said outlet A wall, a support hole coaxial with a support hole corresponding to a support shaft on one side of the diffuser, and a drive shaft of the drive motor coaxial with a support hole corresponding to a support shaft on one side of the vertical wind direction plate; A plurality of links and coupling portions that are provided between the mounting plate and the mounting plate and are provided between the mounting plate and the mounting plate and that transmit the driving force of the driving motor mounted on the mounting plate. Along with being linked by a transmission means consisting of a rod divided into two, a lost motion mechanism is provided on the connecting portion of the rod and the mounting plate, and the vertical motion direction plate is moved from a substantially horizontal position by the lost motion mechanism. The diffuser is configured to rotate when rotated to the vertical position.

A first link having a first connecting pin at a distal end thereof and having a proximal end coaxially connected to the drive shaft and a support shaft on one side of the vertical wind direction plate; A second link that has a second connecting pin, one side of the base end portion is connected to a support shaft on one side of the diffuser, and the other side is rotatably supported by a support hole of the mounting plate, The rod includes a first connection hole connected to the first connection pin at one end, and a second connection hole connected to the second connection pin at the other end, and the connection portion that can rotate relative to each other. A first rod and a second rod which are divided into two parts and are sequentially connected to each other to transmit the driving force of the driving motor to the upper and lower wind direction plates and the diffuser. .

The lost motion mechanism has a projection provided on the back side of the connecting portion, and a first guide hole and a first guide hole extending substantially vertically provided on the mounting plate corresponding to the projection. A second guide hole connected to the lower end of the guide hole and extending substantially to the left and right, and when the vertical wind direction plate is turned from a stop position to a substantially horizontal position, the protrusion is moved from the upper side by the first guide hole. By moving the first rod and the second rod downward from a substantially rectangular shape to a substantially linear shape, the diffuser connecting the second rod and the second link is prevented from rotating, and is moved to a substantially horizontal position. When the diffuser is rotated to a substantially vertical position, the diffuser connecting the second rod and the second link is rotated by moving the protrusion to the left and right by the second guide hole. There.

The first guide hole is formed in the mounting plate in a substantially arc shape corresponding to the locus of the projection, centering on the position of the first connection pin at the stop position of the vertical wind direction plate. It has a formed configuration.

Further, the second guide hole is provided at a position where the first link and the second link are linearly formed by rotating the vertical wind direction plate, and centering on a support shaft of the vertical wind direction plate. The mounting plate is formed in a substantially arc shape corresponding to the locus of the protrusion.

[0010] In addition, a positioning means is provided at a connecting portion of the first rod and the second rod for rotating the connecting portion from a substantially rectangular shape and linearly positioning the connecting portion. Are configured not to rotate in the opposite direction.

Further, the positioning means comprises a locking claw provided on the first rod and the second rod and a locking portion corresponding thereto.

Further, the diffuser is provided with a contact portion at a rear end of an upper surface of the diffuser and a front end of the main casing, and the diffuser is turned from a stop position at which the air outlet closes the outlet to a substantially horizontal position. During the movement, the abutting portion is abutted to be positioned on the extension of the main body casing.

Further, the contact portion is provided at a rear end portion of the upper surface of the diffuser and a front end portion of the main body casing, and comprises a step portion formed by a substantially L-shaped cross section facing each other. Are brought into contact with each other to position the diffuser.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS With the above construction, the driving force of a drive motor that drives and rotates a vertical wind direction plate is transmitted, and the vertical wind direction plate is turned from a substantially horizontal position to a substantially vertical position. In this case, the air conditioner is configured such that the diffuser constituting the lower portion of the outlet can be rotated downward without using a dedicated driving device.

[0015]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 (A) and 1 (B) and FIGS. 2 to 6, 1 is an indoor unit main body of an air conditioner, 1a is a main body casing constituting the main body 1, 2 is a front surface of the main body 1 and A suction port 3 provided on the upper surface is a heat exchanger provided in an air passage connecting the suction port 2 and an outlet described later.
Is a blower fan provided in the air passage, 5 is an outlet for blowing out the air sucked in from the inlet 2 and heat-exchanged by the heat exchanger 3 toward the room, and 6 is a rear portion of the outlet 5. A left and right wind direction plate group rotatably supported by the upper and lower wind direction plate groups 8 is rotatably supported by a support shaft 8a in front of the left and right wind direction plate group 6; Compose and support shaft 9a
The diffuser 10 is rotatably supported by a shaft. The diffuser 10 includes a driving motor 11 for driving and rotating the vertical wind direction plate 8 and the diffuser 9, and a driving shaft 11 a of the driving motor 11.
The driving force by the vertical wind direction plate 8 and the diffuser 9
And a drive unit provided with a transmission unit for transmitting the data to the control unit.

Here, the drive unit provided with the transmission means
When the driving force of the drive shaft 11a is transmitted to the upper and lower wind direction plates 8 and the diffuser 9 by the drive shaft 11, the upper and lower wind direction plates 8 rotate from the stop position where the outlet 5 is closed to a substantially horizontal position. A configuration will be described in which the diffuser 9 is prevented from rotating, and when the diffuser 9 is rotated from a substantially horizontal position to a substantially vertical position, the diffuser 9 is rotated downward.

The upper and lower wind direction plates 8 and the diffuser 9 are formed on the side walls of the outlet 5 having support holes 5c and 5d corresponding to the support shafts 8a and 9a on one side of the upper and lower wind direction plates 8 and the diffuser 9, respectively. 5a, a support hole 12c coaxial with a support hole 5d corresponding to a support shaft 9a on one side of the diffuser 9, and a support hole 12c coaxial with a support shaft 8a on one side of the vertical wind direction plate 8. Through hole 12 through which the drive shaft 11a of the drive motor 11 is inserted.
a, which is accommodated between a mounting plate 12 provided to face the side wall 5a of the outlet 5 and transmits a driving force of the driving motor 11 mounted on the mounting plate 12, which will be described later. A link and a connecting portion are linked to each other by a transmission means including a rod, which will be described later, and a lost motion mechanism is provided on the connecting portion of the rod and the mounting plate, which will be described later. When the wind direction plate 12 is rotated from a substantially horizontal position to a substantially vertical position, the diffuser 9 is rotated, whereby the driving force of the drive motor 11 is transmitted to a transmission unit (described later) and lost motion. By transmitting the air to the upper and lower wind direction plates 8 and the diffuser 9 by a mechanism, during the cooling operation, the upper and lower wind direction plates 8 are kept stopped. By turning to a substantially horizontal position to effectively send out cool air in a substantially horizontal direction, and during a heating operation, the upper and lower wind direction plates 8 are turned from a substantially horizontal position to a substantially vertical position, and the diffuser 9 is turned downward. It moves so that the warm air can be effectively sent downward.

Further, as shown in FIGS. 4 to 6, a plurality of links for transmitting the driving force of the driving motor 11 to the upper and lower wind direction plates 8 and the diffuser 9 have first connecting pins at their distal ends. A first link 13 having a base end 13a coaxially connected to the drive shaft 11a and a support shaft 8a on one side of the vertical wind direction plate 8, and a second connection pin 17c at a tip end.
One side of the base end 17b is connected to a support shaft 9a on one side of the diffuser 9.
And a second link 17 rotatably supported on the other side by a support hole 12c of the mounting plate 12.
The rod connecting the first link 13 and the first link 13 has a first connecting hole 16a connected to the first connecting pin 13b at one end, and a second connecting hole 16b connected to the second connecting pin 17c at the other end. It comprises a first rod 16-1 and a second rod 16-2, which are divided into two with the connecting portions a and b which can rotate with each other, and sequentially connect these to form the drive motor 11. The driving force is applied to the vertical wind direction plate 8 and the diffuser 9.
With this configuration, the driving force of the driving motor 11 can be accurately transmitted to the upper and lower wind direction plates 8 and the diffuser 9, and
As described above, the lost motion mechanism described later can be easily configured. During the cooling operation, the diffuser 9 is stopped and the vertical wind direction plate 8 is stopped.
Is turned to a substantially horizontal position to effectively send out cool air in a substantially horizontal direction, and during a heating operation, the upper and lower wind direction plates 8 are turned from a substantially horizontal position to a substantially vertical position, and the diffuser 9 is moved downward. It has a structure in which the warm air can be effectively sent downward by rotating.

A lost motion mechanism for rotating the diffuser 9 downward when the vertical wind direction plate 8 is rotated from a substantially horizontal position to a substantially vertical position, as shown in FIGS. A projection g provided on the back side of the connecting portions a and b, and a first guide hole F and a first guide hole F provided on the mounting plate 12 corresponding to the projection g and extending substantially vertically. And a second guide hole G connected to the lower end of the vertical direction and extending substantially to the left and right. When the vertical wind direction plate 8 is turned from the stop position to a substantially horizontal position, the protrusion g is moved by the first guide hole F. The second rod 16-2 and the second link 17 were connected by moving the first rod 16-1 and the second rod 16-2 from the upper part to the lower part so as to make the first rod 16-1 and the second rod 16-2 from a substantially rectangular shape to a substantially linear shape. The diffuser 9 is prevented from rotating, and is moved from a substantially horizontal position to a substantially vertical position. When rotated, the diffuser 9 connecting the second rod 16-2 and the second link 17 is rotated by moving the protrusion g left and right by the second guide hole G. With this, the driving force of the drive motor 11 for driving and rotating the vertical wind direction plate 8 is transmitted, and the vertical wind direction plate 8 is rotated from a substantially horizontal position to a substantially vertical position. At this time, the diffuser 9 constituting the lower portion of the outlet 5 can be used without using the dedicated driving device 19 described in the related art.
Can be rotated downward.

As shown in FIG. 5, the first guide hole F is formed in the mounting plate 12 around the position C of the first connecting pin 13 at the stop position of the vertical wind direction plate 8. It has a configuration formed in a substantially arc shape corresponding to the locus of the protruding portion g, whereby the upper and lower wind direction plates 8 are turned from a stop position where the air outlet 5 is closed to a substantially horizontal position, and Position A of the connection between one link 13 and the first rod 13-1
When moved to the position A ', the position B of the projection g moves to the lower position B', and the position C does not move, so that the diffuser 9 remains stopped.

The second guide hole G is provided at a position where the vertical link 8 is rotated to make the first link 13 and the second link 17 linear, and a support shaft for the vertical link 8 is provided. 8a, the mounting plate 12 is formed on the mounting plate 12 in a substantially arc shape corresponding to the locus of the protrusion g, whereby the vertical wind direction plate 8 is moved from a substantially horizontal position to a substantially vertical position. As the position A ′ moves on the circumference D around the support shaft 8a of the vertical wind direction plate 8, the position C moves around the support shaft 9a of the diffuser 9 In order to move on the circle E, the diffuser 9 has a structure in which the diffuser 9 rotates downward about the support shaft 9a.

Further, the connecting portions a and b are rotated relative to each other from a substantially rectangular shape to the connecting portions a and b of the first rod 13-1 and the second rod 13-2, and are positioned linearly. When the vertical wind direction plate 8 is rotated from a substantially horizontal position to a substantially vertical position by providing a positioning means described later for preventing the connecting portions a and b from rotating in opposite directions by the positioning means. The position C moves accurately on the circumference E around the support shaft 9a of the diffuser 9.

The positioning means for linearly positioning the connecting portions a and b of the first rod 13-1 and the second rod 13-2, as shown in FIG.
With the configuration including the locking claw c provided on the 13-1 and the second rod 13-2 and the corresponding locking portion d, it is cost-effective without using a positioning means formed of a separate member. With such a configuration, the connecting portions a and b can be accurately and linearly positioned.

The diffuser 9 has an abutting portion at the rear end f of the upper surface of the diffuser 9 and the front end e of the main casing 1a.
During the rotation from the closed stop position to the substantially horizontal position, the contact portion is brought into contact with and positioned on the extension of the main body casing 1a, whereby the diffuser 9 is moved. The structure can be accurately positioned on the extension of the main body casing 1a, and can be smoothly blown from the main body casing 1a to the diffuser 9 by the blower fan 4.

Further, as shown in FIG. 1 (B), the contact portion between the upper rear end portion f and the front end portion e has a rear upper end portion f of the diffuser 9 and a front end portion of the main casing 1a. e
And a step formed by a substantially L-shaped cross section opposed to each other.
Is positioned so that air leakage does not occur downward from the abutting portion, so that efficient air blowing can be realized and noise can be prevented from being generated. .

With the above configuration, FIG. 1 (A) and FIG.
As shown in FIG. 2B and FIGS. 2 to 6, the upper and lower wind direction plates 8 and the diffuser 9 are connected to the support shafts 8 a and 9 a corresponding to the upper and lower wind direction plates 8 and the diffuser 9 on one side. A side wall 5a of the outlet 5 provided with holes 5c and 5d, a support hole 12c coaxial with a support shaft hole 5d corresponding to a support shaft 9a on one side of the diffuser 9, and one side of the vertical wind direction plate 8. A shaft hole 5c corresponding to the shaft 8a has a through-hole 12a through which the drive shaft 11a of the drive motor 11 is coaxially inserted, and a mounting plate 12 provided opposite to the side wall 5a of the outlet 5 is provided. It has a plurality of links and connecting parts described below for transmitting the driving force of the driving motor 11 mounted on the mounting plate 12 and is interposed therebetween, and is linked by a transmitting means including a rod described later divided into two parts. In addition, a lost motion machine is connected to a rod connecting portion and the mounting plate described later. By providing the structure, the diffuser 9 is rotated when the vertical wind direction plate 12 is rotated from a substantially horizontal position to a substantially vertical position by the lost motion mechanism, so that the driving force of the drive motor 11 is described later. By transmitting the air to the upper and lower wind direction plates 8 and the diffuser 9 by a transmission means and a lost motion mechanism, the cooling operation is performed by rotating the upper and lower wind direction plates 8 to a substantially horizontal position while the diffuser 9 is stopped. Is effectively sent out in a substantially horizontal direction, and during a heating operation, the upper and lower wind direction plates 8 are turned from a substantially horizontal position to a substantially vertical position, and the diffuser 9 is turned downward to direct warm air downward. And an air conditioner that can effectively deliver the air.

[0027]

As described above, according to the present invention, the driving force of the drive motor that drives and rotates the vertical wind direction plate is transmitted, and the vertical wind direction plate is rotated from the substantially horizontal position to the substantially vertical position. Thus, the air conditioner is configured such that the diffuser constituting the lower portion of the outlet can be rotated downward without using a dedicated driving device.

[Brief description of the drawings]

1A and 1B are explanatory views of an air conditioner according to the present invention, wherein FIG. 1A is a cross-sectional view showing a state in which a vertical wind direction plate is turned to a substantially vertical position, and FIG. 1B is an enlarged view of a main part.

FIG. 2 is a cross-sectional view of a main part showing a state in which an air outlet is closed by a vertical wind direction plate;

FIG. 3 is a sectional view of a main part showing a state in which a vertical wind direction plate is turned to a substantially horizontal position.

FIG. 4 is an exploded perspective view of a main part of the air conditioner according to the present invention.

FIG. 5 is an explanatory view showing a transmitting means for transmitting the driving force of a driving motor to the upper and lower wind direction plates and the diffuser, and a lost motion mechanism.

FIG. 6 is a perspective view of a rod divided into two parts having a connecting portion.

FIG. 7 is a sectional view of an air conditioner according to a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Air conditioner main body 1a Main body casing 2 Suction port 3 Heat exchanger 4 Blower fan 5 Blow-out port 5a Side wall 5c, 5d Support hole 6 Left and right wind direction plate group 8 Vertical wind direction plate 8a Vertical shaft direction support shaft 9 Diffuser 9a Diffuser Support shaft 10 Drive unit 11 Drive motor 11a Drive shaft 12 Mounting plate 12a Through hole 12b, 12c Support hole 13 First link 13a Base shaft 13b First connection pin 16 Rod 16a First connection hole 16b Second connection hole 16-1 1st rod 16-2 2nd rod 17 2nd link 17b Base end 17c 2nd connection pin F 1st guide hole G 2nd guide hole a, b Rod connection part c Lock claw d Lock part e Body casing F Front end of diffuser top rear end g Protrusion

Claims (9)

[Claims] 1. A heat exchanger and a blower fan are provided in an air passage of a main body casing connecting an intake port and an air outlet, and a left and right air direction plate group and a vertical air direction plate are rotatably mounted on the air outlet. A driving motor for driving the vertical wind direction plate is provided on at least one side of the air outlet, and a diffuser constituting the air outlet is rotatably supported at a lower portion of the air outlet, and the vertical wind direction plate is rotatably supported. When the diffuser is turned from the stop position where the outlet is closed to the substantially horizontal position, the diffuser is prevented from turning, and when the diffuser is turned from the substantially horizontal position to the substantially vertical position, the diffuser is turned downward. In the air conditioner, the upper and lower wind direction plates and the diffuser are formed by connecting the upper and lower wind direction plates and a diffuser side wall having a support hole corresponding to a support shaft on one side of the diffuser; On the side spindle A support hole coaxial with the support hole and a through-hole through which a drive shaft of the drive motor is coaxial with a support hole corresponding to a support shaft on one side of the vertical wind direction plate, and a side wall of the outlet. Is accommodated between a mounting plate provided to face the
A plurality of links and a connecting portion for transmitting the driving force of the drive motor attached to the mounting plate are linked by a transmitting means comprising a rod divided into two parts, and lost to the connecting portion of the rod and the mounting plate. An air conditioner comprising a motion mechanism, wherein the diffuser is rotated by the lost motion mechanism when the upper and lower wind direction plates are rotated from a substantially horizontal position to a substantially vertical position. A first link having a first connection pin at a distal end thereof, a first link having a proximal end coaxially connected to the drive shaft and a support shaft on one side of the vertical wind direction plate, and a distal end; A second link that has a second connecting pin, one side of the base end portion is connected to a support shaft on one side of the diffuser, and the other side is rotatably supported by a support hole of the mounting plate, The rod includes a first connection hole connected to the first connection pin at one end, and a second connection hole connected to the second connection pin at the other end, and the connection portion that can rotate relative to each other. A first rod and a second rod which are divided into two, and are sequentially connected to each other to transmit the driving force of the driving motor to the upper and lower wind direction plates and the diffuser. The air conditioner according to claim 1. 3. The first motion sensor according to claim 1, wherein the lost motion mechanism includes a projection provided on a back side of the connecting portion, a first guide hole extending substantially vertically and provided on the mounting plate corresponding to the projection. A second guide hole connected to the lower end of the guide hole and extending substantially to the left and right, and when the vertical wind direction plate is turned from a stop position to a substantially horizontal position, the protrusion is moved from the upper side by the first guide hole. By moving the first rod and the second rod downward from a substantially rectangular shape to a substantially linear shape, the diffuser connecting the second rod and the second link is prevented from rotating, and is moved to a substantially horizontal position. When rotated to a substantially vertical position from above, the diffuser connecting the second rod and the second link is rotated by moving the protrusion to the left and right by the second guide hole. To be The air conditioner according to claim 1 or 2. 4. The mounting plate according to claim 1, wherein the first guide hole is formed in a substantially arc shape corresponding to a locus of the protruding portion around a position of the first connecting pin at a stop position of the vertical wind direction plate. The air conditioner according to claim 2 or 3, wherein the air conditioner is formed. 5. The second guide hole is provided at a position where the upper and lower wind direction plates are turned and the first link and the second link are linearly formed, and about a support shaft of the upper and lower wind direction plates. 4. The air conditioner according to claim 2, wherein the mounting plate is formed in a substantially arc shape corresponding to a trajectory of the protrusion. 5. 6. A connecting portion for connecting the first rod and the second rod to each other so as to rotate the connecting portion from a substantially rectangular shape and to linearly position the connecting portion. 4. The air conditioner according to claim 1, wherein the air conditioner does not rotate in the reverse direction. 7. The air conditioner according to claim 6, wherein the positioning means comprises a locking claw provided on the first rod and the second rod and a locking portion corresponding thereto. 8. The diffuser has a contact portion provided at a rear end of an upper surface of the diffuser and a front end of the main body casing, and the diffuser is turned from a stop position where the air outlet is closed to a substantially horizontal position. The air conditioner according to any one of claims 1 to 3, wherein the abutting portion abuts and is positioned on an extension of the main body casing during movement. 9. The contact portion is provided at a rear end portion of an upper surface of the diffuser and a front end portion of the main body casing, and comprises a step portion formed by opposing substantially L-shaped cross sections,
The air conditioner according to claim 8, wherein the diffuser is positioned by abutting the stepped portion.