JPH023075Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a wind direction adjustment device for an air conditioner, and particularly provides a structure for reliably and reliably changing the wind direction plate.

First, a conventional air conditioner wind direction adjustment device will be explained. In the figure, the frame and bottom plate in front of the indoor air outlet of the air conditioner are omitted, and 1 is a plurality of wind direction plates arranged in parallel at equal intervals on the frame of the air outlet, with protruding panels above and below. A rotation shaft for rotating the wind direction plates 1 is rotatably supported on the same frame, and the lower rear end of each wind direction plate 1 is connected by an interlocking plate 2 in order to change the rotation of the plurality of wind direction plates 1 at the same time. 3 is the plurality of wind direction plates 1 mentioned above;
One of the wind direction plates and the interlocking plate 2 is a mounting piece that protrudes inward to connect with a second connecting rod, which will be described later, formed on the interlocking plate 2 as shown in the figure. has an engagement groove 19 extending in the front-rear direction.
is formed. Reference numeral 4 denotes a low-speed electric motor as a driving device disposed below the bottom plate of the outlet, and its shaft 5 projects above the bottom plate of the outlet and forms a crankshaft for rotational movement. Reference numeral 6 denotes a first connecting rod that converts the rotational motion of the shaft 5 into reciprocating motion, one end of which is pivotally attached to the coaxial shaft 5, and a connecting shaft 11 provided at the other end. A second connecting rod 10 transmits the reciprocating motion of the first connecting rod 6 as a left-right movement to the wind direction plate 1. The second connecting rod 10 is rotatably supported by a shaft 7 at the approximately central portion thereof, and has a rear end portion. is located approximately on the radial line centered on the same fulcrum.
A plurality of elongated holes 8 extending in the front-rear direction connecting the connecting shaft 11 of the connecting rod 6, for example, three elongated holes 81, 82, located approximately on a radial line with the shaft 7 as the center, as shown in the figure.
83, and a communication hole 9 that communicates with the rear end of each of the elongated holes 81, 82, 83, and a connecting shaft 20 that engages with the engagement groove 19 of the mounting 3 at the front end. . Reference numeral 13 denotes a change plate disposed opposite to the rear end of the second connecting rod 10, and the plate surface has a guide hole 12 extending in the left-right direction, for example, the shaft 7 of the second connecting rod 10.
An arc-shaped guide hole 1 formed with the center at
2 is provided, and the connecting shaft 11 of the first connecting rod 6 is connected to the guide hole 12 via the elongated hole 8 of the second connecting rod 10, and the changing plate 13 is provided on the outlet bottom plate so as to be relatively facing and in the front-rear direction. It is mounted on a rail 14 located at a position where it can freely slide back and forth. Reference numeral 16 denotes an operating lever for operating the change plate 13, which has a substantially L-shape, for example, and has its bent portion rotatably supported by a shaft 15, and has one end of an operating rod 17 connected to its rear end; Further, the other end of the operating rod 17 is connected to the change plate 13 through a slit formed in the bottom plate of the outlet.

The operation will be explained in the above configuration.
First, when the low-speed electric motor 4 is driven, the shaft 5 makes a rotational movement, and this rotational movement is converted into a reciprocating movement by the first connecting rod 6, and this reciprocating movement is further converted into a left-right movement by the second connecting rod 10. is converted to At this time, the connecting shaft 11 of the first connecting rod 6 is connected to the second connecting rod 10.
It slides inside the elongated hole 8 of , and inside the guide hole 12 of the changing plate 13 . This left-right movement is transmitted to each wind direction plate 1 through the interlocking plate 2, and the wind direction plates 1 automatically rotate in the same direction and the same angle, and move in the flow of cold air.

Here, the swing angle of the wind direction plate 1 is controlled by the setting position of the change plate 13 operated by the operation lever 16, and if the change plate 13 is located forward, the swing angle of the second connecting rod 10 is controlled. The horizontal movement is large, and the swinging angle of the wind direction plate 1 is large, and if the change plate 13 is located at the rear, the horizontal movement of the second connecting rod 10 is small, and the swinging angle of the wind direction plate 1 is small. On the other hand, by selecting an arbitrary long hole 8 when connecting the plurality of long holes 8 of the second connecting rod 10 and the connecting shaft 11 of the first connecting rod 6, the swinging direction of the wind direction plate 1 is controlled. . That is, when the connecting shaft 11 is located in the central elongated hole 81, the second connecting rod 10 moves left and right symmetrically about the shaft 7, the wind direction plate 1 has the same left and right swing width, and the connecting shaft 11 is located on the right side. When it is in the long hole 82, the swing center line of the second connecting rod 10 is biased to the right and moves left and right, the wind direction plate 1 swings in a direction centered on the left side, and the connecting shaft 11 is located in the left long hole 82. When the swing center line of the second connecting rod 10 is biased to the left, it moves left and right, and the wind direction plate 1 swings in a direction centered on the right side.

As explained above, the swing angle and swing direction of the wind direction plate 1 are adjusted by selecting the longitudinal position of the change plate 13 and the plurality of elongated holes 8. However, when performing this operation, the low speed electric motor 4 is stopped, and the wind direction plate 1 and operating lever 16
I try to perform the above operations by holding it in my hand.
When setting the swing angle of the wind direction plate 1 to the minimum during such an operation, operate the operating lever 16 to slide the change plate 13 and move the connecting shaft 11 of the first connecting rod 6 to the rear end of an arbitrary elongated hole 8. However, since this position is not clearly known, the connecting shaft 11 may come off from the elongated hole 8 when it is rotated again, and may actually be located inside the communicating hole 9 even though it is intended to be set.
It often happened that the wind direction plate did not rotate if it was located inside.

The present invention eliminates the above-mentioned drawbacks, and as shown in FIG.
Protrusions 18 of appropriate heights are formed at the continuous boundary portions to provide resistance to the movement of the connecting shaft 11 of the first connecting rod during setting.

With the above configuration, when operating the wind direction angle of the wind direction plate from the maximum position to the minimum position using the operating lever, the position of the connecting shaft 11 with respect to each elongated hole 8 can be clearly set, and the wind direction can be easily set. When moving the connecting shaft 11 from any elongated hole 8 to another elongated hole 8 through the communication hole 9 in order to change the swinging direction of the board, the sound of passing through the protrusion 18 and the feeling transmitted to the hand will make the same operation easier. can be carried out reliably and clearly. Further, due to the projection 18, even when the swing angle of the wind direction plate 1 is set to the minimum, the connecting shaft 11 does not come out of the elongated hole 8 and move into the communication hole 9, and the wind direction plate can be reliably rotated. It is something.

Although the engagement groove 19 is formed in the mounting piece 3 and the connection shaft 20 is formed in the front end of the second connection rod 10, the invention is not limited to this. However, the initial objective of the present invention can also be achieved by forming an engaging groove at the front end of the second connecting rod.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view of a main part of a wind direction adjustment device for an air conditioner showing an embodiment of the present invention, and FIG. 2 is a plan view of a main part of a second connecting rod. In the figure, 1 is a wind direction plate, 2 is an interlocking plate, 3 is a mounting piece, 19 is an engagement groove, 4 is a low-speed electric motor, and 6 is a first
Connecting rod, 8, 81, 83 are long holes, 9 is a communicating hole, 1
0 is a second connecting rod, 11 and 20 are connecting shafts, 12 is a guide hole, 13 is a change plate, 16 is an operating lever, 18
is a protrusion.

Claims (1)

[Scope of utility model registration request] A plurality of rotatably supported wind direction plates, an interlocking plate connecting the plurality of wind direction plates, and an engagement groove or an engagement groove provided in the interlocking plate or one of the plurality of wind direction plates and extending in the front-rear direction. a mounting piece with a connecting shaft;
A drive device that performs rotational motion; a first connecting rod that converts the rotational motion of the drive device into reciprocating motion and has one end connected to the drive device and a connecting shaft at the other end; A plurality of elongated holes are connected to a connecting shaft of the first connecting rod which is pivotally supported and which is formed substantially radially at the rear end of the first connecting rod and extends in the front-rear direction with the coaxial fulcrum as the center. A wind direction plate that uses the reciprocating movement of the first connecting rod, which is provided with a communicating hole and has a front end thereof with an engaging groove of the mounting piece, a connecting shaft to which the connecting shaft is engaged, or an engaging groove extending in the front-rear direction, as a left-right movement. a second connecting rod that transmits the transmission to the front and back, and a guide hole that is disposed opposite to the rear end of the second connecting rod and extends in the left-right direction in which the connecting shaft of the first connecting rod is engaged in the plate surface. It consists of a change plate attached so as to be slidable in the direction, and an operating lever for operating the change plate.The change plate is slid by operating the operation lever, and the change plate is slidably attached to the fulcrum of the second connecting rod and the second connecting rod. 1
By changing the distance between the connecting shaft of the connecting rod and the connecting point, the turning angle of the wind direction plate is adjusted, and the connecting shaft of the first connecting rod is arbitrarily switched to one of the plurality of elongated holes. In the wind direction adjustment device for an air conditioner, the direction of rotation of the wind direction plate is adjusted by connecting the wind direction plates with A wind direction adjustment device for an air conditioner, characterized in that a suitable protrusion is formed in a portion connected to the hole to provide resistance when the connecting shaft of the first connecting rod is set and moved.