JPH0711355B2 - Air conditioning grill - Google Patents

Description

TECHNICAL FIELD The present invention relates to an air conditioning grill for air conditioning the interior of a house or the like.

[Conventional technology]

BACKGROUND ART Conventionally, an air-conditioning grill that automatically deflects the wind direction with an electric motor is known. As shown in FIG. 8, in this air conditioning grill, a projecting portion 32 extending in a direction orthogonal to the extending direction of the rod 31 is projected at the end of the rod 31 for rotating an unillustrated wind direction deflecting plate. A long hole 33 that is formed and extends in the lengthwise direction of the protrusion 32 is also provided in the protrusion 32. On the other hand, a rotary plate 34 that is connected to a motor (not shown) and rotates is provided with a protrusion 35 that is fitted into the elongated hole 33 and moves while rotating.

Then, the rotary plate 34 is rotated based on the rotation of the motor, the protrusion 35 provided on the rotary plate 34 is rotated, and the protrusion of the rod 31 is rotated.
The rod 31 is reciprocated in the longitudinal direction while moving in the long hole 33 provided in the 32. Thereby, the wind direction deflecting plate (not shown) is deflected.

[Problems to be Solved by the Invention]

However, in the above-mentioned conventional air conditioning grill, as shown in FIG.
When the protrusion 35 of the rotary plate 34 moves in the elongated hole 33 of the rod 31, there is a gap S between the protrusion 33 and the peripheral wall of the elongated hole 33. There is a problem that rattling occurs when the state where the right side wall is pressed is changed to the state where the left side wall is pressed, and the movement of the rod is not smooth.

An object of the present invention is to provide an air-conditioning grill in which there is no rattling between the protruding body of the rotating body and the elongated hole of the rod, and the rod moves smoothly.

[Means for Solving the Problems]

In order to solve the above-mentioned problems, in the present invention, a plurality of bendable wind direction deflecting plates are arranged in the main body, one end side of the same wind direction deflecting plate is rotatably supported on the main body, and the other end side is A cam member that is connected by a connecting member and is movably formed by a link that is rotatably supported by the main body, and that rotates the link outside the main body that supports the link. A rod that moves in the length direction for rotating the cam member is disposed, and a long hole that extends in a direction substantially orthogonal to the direction in which the rod extends is provided at the end of the rod.
A projecting body that is movably fitted in the elongated hole, is provided on the rotating body that is driven to rotate, and the projecting body is pressed against any one of the side edges extending in the longitudinal direction of the elongated hole. A means of providing a biasing means on the rod is adopted.

[Action]

By adopting the above means, the urging means provided on the rod urges the rod in a predetermined direction, so that the protrusion provided on the rotating body extends in the length direction of the long hole of the rod. Since it is pressed by the side edge, there is no gap between them, and in that state the protruding body of the rotating body moves in the long hole,
This causes the rod to reciprocate. Then, the wind direction deflecting plate deflects in a predetermined direction.

[First Embodiment] An embodiment of the present invention will be described below with reference to Figs.

As shown in FIG. 1, a plurality of bendable wind direction deflecting plates 2 are disposed on the front side of the lower portion inside the main body 1 of the air conditioning grill. The plurality of wind direction deflecting plates 2 are rigid parts on the front side and the rear side.
3a, 3b and a bendable soft part 4 between them. Both rigid parts 3a, 3b are made of a hard material such as polypropylene or ABS resin, and the soft part 4 is made of a soft material such as elastomer or rubber. Has been formed.

A cylindrical portion 5 having a support hole 5a is provided at the upper end of the front rigid portion 3a of the wind direction deflecting plate 2, and the shaft of the main body 1 (not shown) is supported by the support hole 5a to rotate the front rigid portion 3a. The rotary shaft 6 is provided at the lower end so as to project downward. The rear rigid portion 3b is formed in a plate shape, the lower portion thereof has a shape that bulges rearward, and a notch 7 having a rear portion cut into an elliptical shape is formed on the lower end surface thereof.

A connecting plate 8 serving as a connecting member for connecting a plurality of wind direction deflecting plates 2 is arranged behind the wind direction deflecting plate 2 (on the right side in FIG. 1), and is attached to the connecting plate 8 at predetermined intervals in an annular shape. An annular mounting portion 9 having a groove 9a is integrally formed. Some of the annular mounting portions 9 are formed so as to project to the front side, and a locking hole 9b is provided at the front end portion thereof in a transparent manner. The annular mounting portion 9 of the connecting plate 8 is accommodated from below in the notch 7 of the wind direction deflecting plate 2, and the rear rigid portion 3b of the upper end of the notch 7 is held in the mounting groove 9a. As a result, the rear rigid portions 3b of the plurality of wind direction deflecting plates 2 are connected to the connecting plate 8.

Below the wind direction deflection plate 2, a link extending in the front-rear direction
A reference numeral 10 is rotatably attached to a plate-shaped main body 1 inside the air conditioning grill at its front end portion. A cylindrical protrusion 10b having a circular hole 10a opened upward is provided in the upper part of the front end of the link 10, and the rotary shaft 6 of the front rigid portion 3a of the wind direction deflection plate 2 is provided. It is rotatably fitted and supported, and a cylindrical projection 10d having a square engaging hole 10c opened downward is provided at a lower portion of the front end. Further, a protrusion 10e extending upward is provided at the rear end portion so as to be rotatably fitted in the locking hole 9b of the annular mounting portion 9 of the connecting plate 8.

Below the main body 1, a rod 11 extending in the left-right direction and formed in a plate shape is arranged. On the front side edge of the rod 11, a pair of adjacent engaging recesses 12 are formed at regular intervals. A fan-shaped cam 13 is arranged below the rod 11, and a cylindrical protrusion 13a is provided at an essential position of the fan so as to project upward, and the upper end surface of the protrusion 13a has a square columnar shape. An engaging protrusion 13b is provided so as to be fitted into the engaging hole 10c of the link 10. Further, cylindrical locking projections 13c are formed at two positions on the rear side of the cam 13 so that both locking projections 1c
3c are respectively locked in the locking recesses 12 of the rod 11.

Further, at the right end of the rod 11, a protrusion 14 formed in the shape of a flat rectangular plate that is long in the front-rear direction orthogonal to the rod 11 is extended, and the protrusion 14 has the same rectangular shape that extends in the front-rear direction. The long hole 14a is transparently provided. Third of the protrusion 14
On the upper left side in the figure, a coil spring as a biasing means
One end of the coil spring 22 is attached and the other end of the coil spring 22 is attached to the main body 1 so as to urge the protrusion 14 to the left in FIG.

As shown in FIGS. 2 and 5, the motor 1 is attached to the end of the main body 1.
5 is fixed by inserting a screw into the screw insertion hole 16, and a rectangular plate-shaped rotating portion 17 that rotates when the motor 15 is driven is formed on the lower surface of the motor 15 so as to project. Same motor 15
A disk-shaped rotary plate 18 as a rotary body is disposed below the rotary body 18, and a cylindrical body 19 having a recessed portion 19a into which the rotary portion 17 is fitted is provided upward at the center of the upper surface of the rotary plate 18. It is formed to project.

Further, on the outer peripheral side of the lower surface of the rotating body 18, a pair of semi-circular support members 20 forming a protruding body are formed so as to protrude downward, and the tip end thereof has a taper with the base end side having an enlarged diameter. The part 20a is formed. A cylindrical ring member 21 forming a projecting body is rotatably fitted to the outer peripheral portion of the same pair of support members 20 from below, and the tapered portion 20a of the support member 20 is provided.
It has a structure in which the base end of which the diameter is expanded does not come out downward.

Then, the ring member 21 is fitted into the elongated hole 14a of the protruding portion 14 of the rod 11, the ring member 21 rotates based on the rotation of the motor 15, and the ring member 21 moves back and forth in the elongated hole 14a. The rod 11 can move left and right while moving.

The operation and effect of the air-conditioning grill configured as described above will be described.

As shown in FIG. 2, when a switch (not shown) is pressed, the motor 15 on the side of the main body 1 of the air conditioning grill is rotationally driven, and the rotating portion 17 on the lower surface thereof is rotated. Since the rotating portion 17 is fitted and fixed in the concave portion 19a of the cylindrical body 19 on the upper surface of the rotating plate 18, the rotating plate 18 rotates, and the support member 20 to which the ring member 21 on the lower surface is fitted is also rotated. To do. The ring member 21 is a rod
Since the ring member 21 reciprocates in the elongated hole 14a while rotating, the rod 11 is reciprocally moved in the left-right direction, since the ring member 21 rotates. .

At this time, as shown in FIG.
Is urged to the left in FIG. 3 by a coil spring 22 having one end attached to the protruding portion 14 and the other end attached to the main body 1, so that the ring member 21 of the rotary plate 18 protrudes from the rod 11. The right side wall of the elongated hole 14a of the portion 14 is abutted and pressed. Therefore, as shown in FIG. 4, even if the rotary plate 18 rotates and the ring member 21 comes to a position different from that shown in FIG.
21 is always in contact with the right side wall of the long hole 14a. as a result,
No gap is generated between the ring member 21 and the right side wall of the elongated hole 14a. In addition, when the wind direction deflecting plate 2 is bent, a force for returning to the original works on the rod 11, but the coil spring
Twenty-two biasing forces need to be greater than that.

As shown in FIG. 1, when the rod 11 is moved in the left-right direction, the pair of locking protrusions 13c of the cam 13 locked in the locking recess 12 of the rod 11 is moved in the left-right direction, thereby forming a fan shape. The cam 13 rotates about its essential part. Therefore, since the engaging protrusion 13b of the cam 13 rotates and the engaging protrusion 13b is fitted in the engaging hole 10c of the link 10, the link 10 rotates about its front end. .

Then, since the protrusion 10e at the rear end of the link 10 is fitted and locked in the locking hole 9b of the annular mounting portion 9 of the connecting plate 8, the link 10
The connecting plate 8 moves left and right in accordance with the rotation of the protrusion 10e.
Therefore, since the annular mounting portion 9 of the connecting plate 8 is attached to the notch 7 in the lower portion of the rear rigid portion 3b of the wind direction deflecting plate 2, the rear rigid portion of the plural wind direction deflecting plates 2 is attached. All 3b move in the same direction, so that the soft portion 4 of the wind direction deflecting plate 2 swells and curves in a predetermined direction.

In this way, the wind introduced from the rear of the air-conditioning grill is deflected in the predetermined direction along the curved soft portion 4 of the wind direction deflecting plate 2, and blows out from the outlet 27 at the front end shown in FIG.

As described above, in the air conditioning grill of the present embodiment, one end of the coil spring 22 is attached to the protruding portion 14 of the rod 11, and the coil spring 22
Since the other end of the ring member 21 is attached to the main body 1, the ring member 21 of the rotary plate 18 rotated by the motor 15 is always in contact with and pressed by the right side wall of the elongated hole 14a of the protruding portion 14 of the rod 11. No gap is generated between 21 and the right side wall of the long hole 14a, and therefore rattling does not occur.

[Second Embodiment] In the air-conditioning grill of the present embodiment, the biasing means provided on the projecting portion 14 of the rod 11 in the first embodiment is configured as follows, and other configurations are similar to those of the first embodiment. did.

As shown in FIG. 7, a leaf spring portion 23 having a shape that narrows the elongated hole 14a is integrally formed on the outer side portion (right side portion in FIG. 7) 24 of the protruding portion 14 of the rod 11. A slit 26 is formed between the leaf spring portion 23 and the outer side portion 24 of the protrusion 14.

With such a configuration, when the ring member 21 attached to the rotary plate 18 rotates, the ring member 21 becomes a rod member.
When moving in the elongated hole 14a of the protruding portion 14 of 11, the leaf spring portion 23
Since it is urged inward by the
Sandwiched between 25 and. Therefore, the ring member 21 of the rotary plate 18 rotated by the motor 15 has no gap between the leaf spring portion 23 and the inner portion 25 in the elongated hole 14a of the protruding portion 14 of the rod 11, and rattling does not occur. .

The present invention is not limited to the above-mentioned embodiments, but may be configured as follows, for example, within the scope of the invention.

(1) In the first embodiment, one end of the coil spring 22 may be attached to the projecting portion 14 of the rod 11 at any position on the inner side portion 25, and at any position on the outer side portion 24. Good. When attached to the outer side portion 24, the ring member 21 contacts the right side wall of the elongated hole 14a. Further, the coil spring 22 may press the protrusion 14 instead of pulling it.

(2) The air-conditioning grill of the present invention is used not only for houses but also for vehicles such as those mounted on instrument panels of automobiles.

〔The invention's effect〕

The air-conditioning grill of the present invention has the effect that there is no gap between the protrusion of the rotary plate and the elongated hole of the rod, so rattling does not occur and the rod moves smoothly.

[Brief description of drawings]

1 to 6 are views showing a first embodiment of the present invention, in which FIG. 1 is an exploded perspective view of a main part of an air conditioning grill, and FIG. 2 is an exploded perspective view showing a driving part of the air conditioning grill, FIG. 3 and FIG. 4 are bottom views of essential parts showing the engagement state between the protruding body of the rotating body and the elongated hole of the rod, and FIG. 5 is the relationship between the protruding body of the rotating body and the elongated hole of the rod. Fig. 6 is a front view showing the combined state, Fig. 6 is a perspective view showing the whole of the air conditioning grill, and Fig. 7 shows the second embodiment, showing the engagement state between the projecting body of the rotating body and the elongated hole of the rod. FIG. 8 is a bottom view of an essential part showing a state in which a protrusion of a rotary plate and an elongated hole of a rod are engaged with each other. 1 ... Main body, 2 ... Wind deflector, 8 ... Connecting plate as connecting member, 10 ... Link, 11 ... Rod, 13 ... Cam,
14a ... long hole, 18 ... rotating plate as rotating body, 20 ... support member as protruding body, 21 ... ring member as protruding body, 22 ... coil spring as biasing means, 23 ... ... Leaf springs as biasing means

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hidenori Ueda No. 1 Nagahata, Ochiai, Kasuga-mura, Nishikasugai-gun, Aichi Prefecture (56) References: 61-54120 (JP, U)

Claims (1)

[Claims] 1. A plurality of bendable wind direction deflecting plates (2) are arranged in a main body (1), and one end side of the wind direction deflecting plates (2) is rotatably supported by the main body (1). , The other end is connected by a connecting member (8), and the connecting member (8) is movably formed by a link (10) rotatably supported by the main body (1), and the link (10) ) A cam member (13) for rotating the link (10) outside the main body (1) supported by the main body (1) and a rod () for moving the cam member (13) in the longitudinal direction for rotating the cam member (13). 11) is installed and the same rod (1
A long hole (14a) extending in a direction substantially orthogonal to the extending direction of the rod (11) is provided at the end of (1), and the rotary body (18) driven to rotate moves into the long hole (14a). A protrusion (20, 21) that can be fitted is provided so as to protrude, and the protrusion (20, 21) is pressed against one of the side edges extending in the length direction of the elongated hole (14a). An air-conditioning grill characterized in that biasing means (22, 23) are provided on the rod (11).