JPH0830602B2 - 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]

Conventionally, in an air-conditioning grill, a wind direction deflecting plate for deflecting the wind direction is known to be integrally formed of a soft material (Japanese Utility Model Publication No. 1123149, etc.).

However, in this structure, since the portion supporting the soft material is particularly weak, peeling may occur at that portion, resulting in insufficient durability. Therefore, as shown in FIG. 9, the wind direction deflecting plate 31 is composed of the soft portion 32 and the rigid portion 33, and the engaging portions 32a and 33a of both are formed to have an L-shaped cross-section and are engaged with each other. The structure is conceivable.

[Problems to be Solved by the Invention]

However, even in the wind direction deflecting plate 31 of this air conditioning grill, since the joint area at the joint portion is weak due to the small contact area between the engaging portions 32a, 33a of the soft portion 32 and the rigid portion 33, for air conditioning. There is a problem in that the durability of the grill is still insufficient because it may peel off at the boundary between the grill due to vertical fluctuation of the ambient temperature and increase in the frequency of use.

An object of the present invention is to improve the strength of the joint portion between the soft portion and the rigid portion of the wind direction deflecting plate and to provide an air conditioning grill excellent in durability.

[Means for solving the problem]

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 rotating mechanism that connects with a connecting member, forms the connecting member movably by a link rotatably supported on the main body, and rotates the link outside the main body on which the link is supported. At least one end side of the wind direction deflecting plate is a rigid portion having a fitted portion formed therein, and a curved portion is a soft portion. Further, in the wind direction deflecting plate, the soft portion is fitted to the fitted portion. It is provided as a means that it is formed by a two-color molding method so as to match.

[Action]

By adopting the above means, the soft portion fits into the fitted portion of the rigid portion at the boundary portion between the soft portion and the rigid portion of the wind direction deflecting plate, and the two are physically joined. Also,
The contact area at the joint between the two increases. Therefore, the joint strength at the joint between the two is increased, and the durability of the air conditioning grill is improved. Then, the link is rotated by the rotating mechanism, and the link moves the connecting member, whereby the wind direction deflecting plate is deflected 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. As shown in FIGS. 3 to 6, 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. , 3b are made of polypropylene, and the soft part 4 is made of a styrene thermoplastic elastomer.

The front rigid portion 3a has a rear portion (right portion in FIG. 3) and a rear rigid portion 3b front portion (left portion in FIG. 3) having through holes 3c as fitting portions at regular intervals in the vertical direction. Are provided (four positions in FIG. 3), and the soft part 4 is inserted into the through hole 3c.
3c and 4 are in a physically fitted state. This wind direction deflecting plate 2 is obtained by injecting polypropylene that forms the rigid portions 3a and 3b in a state where the mold having the slide core is closed, and then removing the slide core to remove the styrene thermoplastic elastomer that forms the soft portion 4. It is molded by a so-called two-color molding method of injecting. As a result, the soft part 4 and the rigid parts 3a, 3b
Welding occurs at the interface with and the two adhere to each other.

As described above, the interface between the rigid portions 3a, 3b and the soft portion 4 is
Since they are joined by welding, the materials of both parts are preferably a weldable combination. The combination is polypropylene-EPDM (ethylene,
Propylene, diene copolymer), hard vinyl chloride resin-
Examples thereof include soft vinyl chloride resin, ABS resin-polyurethane elastomer, ABS resin-polyester elastomer, polybutylene terephthalate (PBT) -polyurethane elastomer or polyester elastomer, and nylon resin-elastomer.

As shown in FIG. 1, the front side rigid portion 3a of the wind direction deflection plate 2
A cylindrical portion 5 having a supporting hole 5a is provided at the upper end of the front rigid portion, with the shaft of the main body 1 not shown supported by the supporting hole 5a.
3a can be rotated, and a rotation shaft 6 is provided at the lower end.
Are projected 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 10 extending in the front-rear direction is rotatably attached to the plate-shaped main body 1 inside the air conditioning grill at its front end. Link 10
A circular hole 10a that opens upward at the upper end of the
A cylindrical projection 10b is formed so as to project, and the rotary shaft 6 of the front side rigid portion 3a of the wind direction deflecting plate 2 is rotatably fitted and supported. A cylindrical projection 10d having a square engagement hole 10c opening toward the front is provided in a protruding manner. 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 forming a plate shape, which constitutes a rotating mechanism, is arranged. On the front side edge of the rod 11, a pair of adjacent engaging recesses 12 are formed at regular intervals. Below the rod 11, a fan-shaped cam 13 that constitutes a rotating mechanism is arranged, and a columnar projection 13a is provided at an essential position of the fan so as to project upward.
An engaging projection 13b in the shape of a quadrangular prism is provided on the upper end surface of the projection 13a 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, and both locking projections 13c are formed on the rod 11.
It is adapted to be locked in the locking recesses 12 respectively.

Further, a plate-shaped projecting portion 14 formed in a rectangular shape long in the front-rear direction is extended to the right end portion of the rod 11, and the projecting portion
A long hole 14a extending in the front-rear direction is provided in the 14 through.

As shown in FIG. 2, a motor is provided at the end of the main body 1.
The screw 15 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 body 1 of the air-conditioning grill is driven to rotate, and the rotating body 17 on the lower surface thereof rotates. The rotating body 17 is a connecting member 18
Since it is fitted and fixed in the concave portion 19a of the cylindrical body 19 on the upper surface,
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. Since the ring member 21 is movably fitted in the elongated hole 14a of the projecting portion 14 at the end of the rod 11, the ring member 21 rotates while the elongated hole 14a rotates.
While reciprocating in 14a, the rod 11 is reciprocating in the left-right direction.

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.

At this time, as shown in FIGS. 3 to 6, the front rigid portion 3a,
The joint portion between the rear rigid portion 3b and the soft portion 4 is the front rigid portion 3a,
Since the soft parts 4 are integrally formed by wrapping around the through holes 3c provided in the rear rigid parts 3b by the two-color molding method, the rigid parts 3a, 3b are formed by the soft parts 4 in that portion. It is sandwiched, the contact area at both joints is increased, the joint strength is increased, and there is no risk of the two coming off.

In this way, the wind introduced from the rear of the air-conditioning grill is deflected in a predetermined direction along the curved soft portion 4 of the wind direction deflecting plate 2 and blows out from the outlet 22 at the lower front surface shown in FIG.

As described above, in the air conditioning grill of this embodiment, the front and rear rigid portions 3a and 3b forming the wind direction deflecting plate 2 are provided with the plurality of through holes 3c, and the soft portion 4 is integrally formed in the through holes 3c. Since it is formed in the structure, the joint strength between the rigid portions 3a, 3b and the soft portion 4 is improved, and therefore the durability of the wind direction deflector plate 2 is improved, and even if the air-conditioning grill is frequently used, it is long-lasting. It can be used without problems for a period of time.

The air conditioning grill of the present invention is not limited to the above embodiment,
The invention can be used not only for residential use but also for vehicles such as being mounted on an instrument panel of an automobile without departing from the spirit of the invention.

〔The invention's effect〕

In the grill for air conditioning of the present invention, the rigid portion and the soft portion are physically fitted through the fitted portion, and the contact area is increased. Therefore, the joint strength at the joint portion between the soft portion and the rigid portion can be further improved, and thus excellent durability can be realized.

[Brief description of drawings]

1 to 7 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, 3 is a front view of the wind direction deflector, FIG. 4 is a plan view of the wind direction deflector, FIG. 5 is a sectional view taken along the line VV of FIG. 3, and FIG. 6 is a sectional view taken along the line VI-VI of FIG.
FIG. 7 is a perspective view showing the entire air conditioning grill, and FIG. 8 is a cross-sectional view of a main part of a conventional wind direction deflecting plate. 1 ... Main body, 2 ... Wind deflector, 3a ... Front rigid part, 3b
...... Rear side rigid part, 4 ...... soft part, 8 ...... connecting plate as connecting member, 10 ...... link, 11 …… rod as rotating mechanism, 13 …… cam as rotating mechanism

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Kazuo Fujiwara No. 1 Nagahata, Ochiai, Kasuga-mura, Nishikasugai-gun, Aichi Prefecture (56) References: Kaihei 1-66544 (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) ) Is provided outside the main body (1) on which the link (10) is rotated, and a wind mechanism (11, 13) is provided, and at least one end side of the wind direction deflection plate (2) is fitted into the fitted portion. Rigid part (3a, 3
b), the curved portion is a soft portion (4), and further, in the wind direction deflecting plate (2), the soft portion (4) is the fitted portion (3).
An air-conditioning grill characterized by being formed by a two-color molding method so as to fit in c).