JPH0715334B2 - 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. 5, in this air-conditioning grill, a pair of locking recesses 32 are formed at adjacent positions on a part of the side edge of the rod 31 which is reciprocated by being connected to a motor (not shown). There is. A link 33 extending in the front-rear direction is rotatably supported at the front end side by a main body 34 constituting an air conditioning grill below a wind direction deflecting plate (not shown). A protrusion 35 having a support hole is provided on the upper surface of the front end portion of the link 33 so as to rotatably support the shaft of the front end portion of the wind direction deflecting plate (not shown), and a rectangular locking hole 36 is formed on the lower surface. The projecting portion 37 that it has is extended, and a projecting portion 38 is formed on the upper surface of the rear end portion so as to move the rear portion of the wind direction deflecting plate to the left and right.

A fan-shaped cam 39 is arranged between the main body 34 and the rod 31, and a square bar 40 extending upward at a relevant position of the fan is projectingly provided on the cam 39, and extends downward at the tip side.
A cylindrical leg portion 41 of the book is provided so as to project. And the same cam
The leg 41 of 39 is locked in the locking recess 32 of the rod 31, and when the rod 31 moves left and right, the cam 39 rotates, and the square bar 40 of the cam 39 locks in the locking hole 36 of the link 33. By rotating the link 33, each wind direction deflecting plate is deflected.

[Problems to be Solved by the Invention]

However, in the above-mentioned conventional air-conditioning grill, the rod 31 that reciprocates by the electric motor is at the lowermost position, and due to the molding accuracy of the rod 31 formed of resin and the twist caused by the force applied during use. , Rod 31
There is a problem that the locking recess 32 may come off from the leg 41 of the cam 39 when moving.

Therefore, as shown in FIG. 5, at the position below the rod 31,
It is conceivable to dispose the support member 45 having the cylindrical storage portion 44 capable of storing the leg portion 41 of the cam 39 on the upper surface of the elliptical support plate 43, but in that case, the number of parts increases and manufacturing There is a problem that the cost increases.

An object of the present invention is to provide an air conditioning grill without increasing the number of parts and preventing the rod from coming off.

[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 link is connected by a linking member, and the linking member is movably formed by a link rotatably supported by the main body, and the link is rotated by engaging the main body supported by the link and the link. The means for engaging the cam member and rotating the cam member is disposed between the cam member and the cam member.

[Action]

By adopting the above means, the rod is held between the main body and the cam member and the rod does not come off from the cam member, and the locking projection of the cam member engaged with the rod by the movement of the rod also moves. By doing so, the cam member rotates, and the rotation of the cam member causes the link engaged with the cam member to rotate, so that the wind direction deflection plate is deflected in a predetermined direction.

〔Example〕

An embodiment of the present invention will be described below with reference to FIGS.

As shown in FIGS. 1 and 3, a plurality of bendable wind direction deflecting plates 2 are arranged 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 composed of front and rear rigid portions 3a and 3b and a bendable soft portion 4 therebetween, and both rigid portions 3a and 3b are formed of polypropylene, ABS resin or the like. The soft portion 4 is made of elastomer, rubber or the like.

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. At the upper part of the front end of the link 10, a cylindrical projection 10b having a circular hole 10a opened upward is provided so as to project.
The rotation shaft 6 of the front rigid portion 3a is rotatably fitted and supported, and a cylindrical projection in which a square engagement hole 10c that opens downward is formed in the lower front end. 10d is projected. Further, a protrusion 10e extending upward is projected at the rear end portion, and is rotatably fitted into 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 projecting portion 14 formed in a rectangular plate shape that is long in the front-rear direction is extended, and the projecting portion 14 is provided with a long hole 14a that extends in the front-rear direction. .

As shown in FIG. 2, a motor 15 is provided at the end of the main body 1.
Is fixed by inserting a screw into the screw insertion hole 16, and a rectangular plate-shaped rotating body 17 is formed on the lower surface of the motor 15 so as to project. A disc-shaped connecting member 18 is arranged below the motor 15, and a cylindrical body 19 having a recess 19a into which the rotating body 17 is fitted is projected upward in the center of the upper surface of the connecting member 18. Has been formed.

Further, on the outer peripheral side of the lower surface of the connecting member 18, a pair of semicircular support members 20 are formed so as to project downward, and a taper portion 20a whose base end side is expanded is formed at the tip end thereof. There is. Then, a cylindrical ring member 21 is rotatably fitted to the outer peripheral portion of the pair of supporting members 20 from below, and the cylindrical ring member 21 is pulled downward at the enlarged base end portion of the tapered portion 20a of the supporting member 20. It has no structure.

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 be moved left and right by 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 body 17 on the lower surface thereof is rotated. Since the rotating body 17 is fitted and fixed in the concave portion 19a of the cylindrical body 19 on the upper surface of the connecting member 18, the connecting member 18 rotates, and the support member 20 to which the ring member 21 on the lower surface is fitted is also rotated. To do. Since the ring member 21 is loosely movably fitted in the elongated hole 14a of the protruding portion 14 at the end of the rod 11, the ring member 21 reciprocates while rotating in the elongated hole 14a, and at the same time, the rod 11 Reciprocate in the left and right directions.

As shown in FIG. 1, when the rod 11 moves 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 moves in the left-right direction.
The fan-shaped cam 13 rotates about its essential part. Therefore, the engagement protrusion 13b of the cam 13 rotates, and the engagement protrusion 13b is fitted into the engagement hole 10c of the link 10, so that the link 10
Rotates around its front end. Then link 10
The protrusion 10e at the rear end is the locking hole 9b of the annular mounting portion 9 of the connecting plate 8.
Since it is fitted and locked in, the connecting plate 8 moves left and right as the projection 10e of the link 10 rotates. Therefore, the connecting plate 8 is provided in the notch 7 in the lower portion of the rear rigid portion 3b of the wind direction deflecting plates 2.
Since the annular mounting portions 9 are attached, the rear rigid portions 3b of the plurality of wind direction deflecting plates 2 all move in the same direction, so that the soft portion 4 of the wind direction deflecting plate 2 swells in a predetermined direction and bends. To do.

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 22 at the front end shown in FIG.

As described above, the air-conditioning grill of this embodiment adopts a structure in which the rod 11 that moves to the left and right is sandwiched by the cam 13 at the lower position thereof and the main body 1 at the upper position thereof, so that the number of parts is particularly increased. And thus the locking recess 12 of the rod 11 is locked by the locking projection 13 of the cam 13 without increasing manufacturing costs.
There is no danger of coming off from c.

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

That is, the depth of the locking recess 12 of the rod 11, the shape of the cam 13, the shape of the locking projection 13c, etc. can be appropriately set according to the purpose of use,
Further, it can be used not only for houses but also for vehicles such as being mounted on an instrument panel of a car.

〔The invention's effect〕

The air-conditioning grill of the present invention, without increasing the number of parts,
There is an effect that the rod can be reliably operated without the risk of the rod coming off the cam member.

[Brief description of drawings]

1 to 4 are views showing an embodiment of the present invention, FIG. 1 is an exploded perspective view of a main part of an air conditioning grill, FIG. 2 is an exploded perspective view showing a driving part of the air conditioning grill, and FIG. FIG. 4 is a perspective view of an essential part of an air conditioning grill, FIG. 4 is a perspective view showing the entire air conditioning grill, and FIG. 5 is an exploded perspective view of an essential part of a conventional air conditioning grill. DESCRIPTION OF SYMBOLS 1 ... Main body, 2 ... Wind direction deflection plate, 8 ... Connection plate as a connection member, 10 ... Link, 11 ... Rod, 13 ... Cam

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hidenori Ueda No. 1 Nagahata, Ochiai, Kasuga-mura, Nishikasugai-gun, Aichi Toyoda Gosei Co., Ltd. (56) Bibliography 1-160255

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) ) Is supported between the main body (1) and the cam member (13) for engaging the link (10) and rotating the link (10), the cam member (13) being engaged with the cam member (13). An air-conditioning grill characterized in that a rod (11) for rotating the cam member (13) is arranged.