JP2566828Y2 - Outlet grill - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outlet grill mounted on an instrument panel or the like of an automobile, and more particularly, to an outlet grill provided with a damper for adjusting a flow rate inside a case body. It is.

[0002]

2. Description of the Related Art Conventionally, in an outlet grill of this type, a flat damper is rotatably provided in a main body case having a wind direction changing register at a front portion. An operation dial is provided on a side wall of the main body case so as to be rotatable in a state of being slightly protruded from a front portion of the main body case. Then, when the operation dial is rotated, the rotation is transmitted to the damper via the link mechanism. Accordingly, the damper is rotated to open and close the ventilation path in the main body case, and the amount of air blown out from the register is adjusted.

[0003] A coil spring is generally interposed between the side wall of the main body case and the operation dial, and biases the operation dial from the main body case in a direction of pressing the operation dial. Therefore, the urging force of the coil spring becomes a frictional force, and a constant load is applied when the operation dial is operated. As a result, the operation feeling is improved.

[0004]

However, in the prior art, a coil spring for applying an operation load is exposed to the outside. Therefore, foreign matter such as dust may adhere to the coil spring. In this case, the operation load becomes larger than the urging force of the coil spring itself, and as a result, the operation feeling may be impaired.

The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to secure a stable operation load of an operation dial and to provide an air outlet capable of obtaining a long-term good operation feeling. To provide a grill.

[0006]

In order to achieve the above object, according to the present invention, a tubular main body case and a ventilation passage in the main body case are opened and closed so that the air volume can be adjusted. , An operating member rotatably provided in the main body case, and a transmission mechanism for transmitting the rotating operation of the operating member to the damper and rotating the damper. Outside the main body case
Is interposed between the case side walls and the front SL operating member, by urging from the body case in a direction to press said operation member, and an elastic member for imparting a constant load during operation of the operating member in the air outlet grille, the side walls
A sleeve is protruded from the outer surface of the
Providing a tubular portion, and fitting the tubular portion around the outer periphery of the sleeve
By operating the operating member with respect to the main body case,
Operatively supported, and on the outer end surface of the cylindrical portion
When drilling a groove to store the elastic member in a compressed state
In both cases, the gist is that the opening of the groove is closed by the covering member .

[0007]

According to the above construction, when the operating member, part of which protrudes from the front portion of the main body case, is rotated, the rotation is transmitted to the damper provided in the main body case via the transmission mechanism. Then, the damper is rotated. Accordingly, the ventilation passage in the main body case is opened and closed, and the air volume is adjusted.

When the operating member is operated, the operating member is urged by the elastic member in a direction in which the operating member is pressed against the main body case. Therefore, a constant load is applied by the urging force, and the operation feeling is improved. Further, since a covering member for covering the elastic member is provided around the elastic member, there is no possibility that foreign matter such as dust adheres to the elastic member, and the operation member is stable during operation. The operating load is obtained.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will now be described with reference to FIGS.
6 will be described. As shown in FIGS. 2 and 5, an outlet grille 1 mounted on an instrument panel or the like of a vehicle.
Are the front and rear ends (upper and lower ends in FIG. 2, left and right ends in FIG. 5)
Is provided with a pair of right and left substantially square cylindrical main body cases 2 each having an opening.

The inside of each main body case 2 is a ventilation passage 3, and the ventilation passage 3 is provided with a flat damper 4. The damper 4 is rotatably supported by the main body case 2 by a shaft 5. By the rotation of the damper 4,
The amount of the wind W introduced from behind is adjusted.

As shown in FIG. 3, a side wall 2 of the main body case 2 is provided.
An operation dial 6 as an operation member is rotatably supported by a. A part of the operation dial 6 slightly protrudes from the opening 7 on the front surface of the main body case 2 and can be rotated from the opening 7 side. The operation dial 6 includes an operation portion 8 having a substantially circular plate shape and a cylindrical portion 9.
And three spoke portions 10 for connecting the operating portion 8 and the tubular portion 9.

The operation dial 6 and the shaft 5 of the damper 4 are connected by a transmission (link) mechanism. That is, the dial lever 1 is provided on the outer peripheral portion of the cylindrical portion 9.
1 is attached so as to be integrally rotatable. The shaft 5 of the damper 4 protrudes from the side wall 2a of the main body case 2, and a damper lever 12 is attached to the protruding portion so as to be integrally rotatable. Furthermore, these dial levers 1
Each end of the damper lever 1 and the damper lever 12 is connected by an arm 13. These dial lever 11, damper lever 12, and arm 13 constitute a transmission mechanism. When the operation dial 6 is rotated, the rotation is transmitted to the shaft 5 via the link mechanism, and the damper 4 is rotated.

Further, on the side wall 2a of the main body case 2,
An open-time stopper 14 protrudes behind the shaft 5. When the operation dial 6 is rotated clockwise in FIG. 1 and the ventilation passage 3 is almost completely opened , the damper lever 12 comes into contact with the opening stopper 14. Further, a closing stopper 15 is formed on the side wall 2a of the main body case 2 so as to project therefrom. As shown in FIG. 4, when the operation dial 6 is rotated in the counterclockwise direction and the ventilation passage 3 is completely closed, the damper lever 12 comes into contact with the closing stopper 15. .

As shown in FIG. 1, a side wall 2 of the main body case 2 is provided.
A is provided with a cylindrical sleeve 16 having an internal thread 16a on its inner surface. The cylindrical portion 9 of the operation dial 6 is fitted around the outer periphery of the sleeve 16.
Thus, the operation dial 6 is rotatably supported. An annular groove 9a opened in the upper surface of FIG. A coil spring 17 as an elastic member is provided in a compressed state in the groove 9a. The groove 9
An annular cover 18 is fitted into the sleeve 16 so as to cover the sleeve a. The tubular member 9 and the cover 18 constitute a covering member.

A cap 19 is attached to the sleeve 16 so as to cover the sleeve 16 and press the cover 18 against the urging force of the coil spring 17. A screw hole 19 a is formed in the center of the cap 19. The cap 19 is fixed to the sleeve 16 by screwing the male screw 20a of the screw 20 passing through the screw hole 19a into the female screw 16a on the inner surface of the sleeve 16. Therefore,
When the operation dial 6 is rotated, the cylindrical portion 9 is rotated while being in contact with the side wall 2a and the cover 18, and an appropriate friction force is generated while the cover 18 is in contact with the both contact points and the side wall 2a. Become.

As shown in FIGS. 3 and 4, a pair of upper and lower mounting members 21 are formed at the front of the main body case 2 so as to project rearward. The outlet grille 1 is mounted by fitting these mounting members 21 into the mounting holes of the instrument panel. Further, a sponge 22 is provided at a rear portion of the main body case 2 to prevent rattling when the outlet grille 1 is attached to the instrument panel, and to prevent generation of abnormal noise due to vibration or the like. It has become. Further, although not shown in the present embodiment, a register for changing the wind direction is provided at the front of the main body case 2, and the wind direction is changed by operating a lever (not shown).

Next, the operation of the present embodiment will be described.
3 and 5 show a state when the ventilation passage 3 is released. In this state, the damper lever 12 is in contact with the opening stopper 14, and the damper 4 is substantially parallel to the upper and lower surfaces of the main body case 2. Therefore, the outlet grill 1
Most of the wind W from the rear duct is blown out from the register in front of the outlet grill 1.

When the operation dial 6 is rotated counterclockwise from the state shown in FIG. 3, the arm 13 is pulled rightward in the figure by the link mechanism. Along with this, the damper lever 12 is rotated clockwise in the figure, and eventually the damper lever 12 comes into contact with the closing stopper 15 as shown in FIG. Then, the shaft 5 is rotated in the opposite direction to the above, and the damper 4 is substantially perpendicular to the upper and lower surfaces of the main body case 2 as shown in FIG. That is, the ventilation passage 3 is closed, and the wind W from the duct behind the outlet grille 1 is not blown out of the register.

When rotating the operation dial 6 as described above, the cap 19 (cover 18) and the cap 19 (cover 18) are pressed by the urging force of the coil spring 17 disposed in a compressed state in the groove 9a of the tubular portion 9. An appropriate frictional force is generated between the cylindrical portion 9 and between the cylindrical portion 9 and the side wall 2a of the case body 2. For this reason, a constant load is applied during the rotation operation, and the operation feeling is improved.

In the present embodiment, the coil spring 17 for applying the above-mentioned operation load is covered with the tubular portion 9 and the cover 18 and is substantially sealed. For this reason,
Foreign matter such as dust is removed by the cylindrical portion 9 and the cover 18.
Intrusion into the space in which the coil spring 17 is provided is prevented. Therefore, there is no risk of adhering to the coil spring 17. As a result, when operating the operation dial 6, a stable operation load can be obtained, and the stable operation load can be secured for a long period of time.

It should be noted that the present invention is not limited to the above embodiment, and may be configured as follows, for example, without departing from the spirit of the present invention. (1) In the above-described embodiment, the coil spring 17 is configured so as to be substantially sealed by the tubular portion 9 and the cover 18. However, there may be a slight gap in assembling.

(2) In the above embodiment, the outlet grille 1 having a pair of main body cases 2 is used, but it is sufficient that at least one main body case 2 is provided. (3) In the above-described embodiment, the stopper 14 for opening and the stopper 15 for closing are provided on the side wall 2a of the main body case 2.
The stoppers 14 and 15 may not be provided.

(4) A mechanism in which a spring is provided on the shaft 5 of the above-described embodiment and the damper 4 is held in either the open state or the closed state, that is, the damper 4 is not stopped at a halfway position. A mechanism may be provided.

[0024]

[0025]

[0026]

As described above in detail, according to the outlet grill of the present invention, not only can the operation load of the operation dial be secured stably, and a good operation feeling can be obtained for a long period of time. Covering the cylindrical part that is a part of the member
Since the material is also used, the number of members can be reduced.
In addition, the cylindrical portion functions as a rotation axis of the operation member.
Rotation due to the biasing force of the elastic member
Generates frictional force during operation near the center of rotation of the operating member
To obtain a better operation feeling.
Can be.

[Brief description of the drawings]

FIG. 1 is a sectional view taken along the line AA of FIG. 3, showing the vicinity of an operation dial in one embodiment of the present invention.

FIG. 2 is a plan view of an outlet grille in one embodiment.

FIG. 3 is a sectional view taken along line BB of FIG. 2 in one embodiment.

FIG. 4 is a cross-sectional view showing a state in which the operation dial is turned from the state of FIG. 3 in one embodiment.

FIG. 5 is a cross-sectional view taken along the line CC of FIG. 2, showing a state in which a ventilation path is released in one embodiment.

FIG. 6 is a cross-sectional view showing a state where a ventilation path is closed from the state of FIG. 5 in one embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 2 ... Body case, 2a ... Side wall, 3 ... Ventilation path, 4 ... Damper, 6 ... Operation dial as an operation member, 9 ... Cylindrical part which comprises a covering member, 11 ... Dial lever which comprises a transmission mechanism, 12 ... Damper lever constituting transmission mechanism, 13
... Arms constituting a transmission mechanism, 17 coil springs as elastic members, 18 covers forming covering members.

Claims (1)

(57) [Scope of request for utility model registration] 1. A main body case (2) having a cylindrical shape, and a ventilation passage (3) in the main body case (2) being opened and closed so that the air volume can be adjusted by rotating the main body case (2). A damper (4) provided so as to be able to rotate; an operating member (6) provided rotatably in the main body case (2); and a rotating operation of the operating member (6) by the damper (4). And a transmission mechanism (11,
And 12, 13), wherein interposed between the body case (2) side wall of the casing in the outer (2) (2a) with the previous SL operating member (6), said operating member from said main body case (2) ( In an outlet grill provided with an elastic member ( 17 ) for applying a constant load when the operating member (6) is operated by urging the operating member (6) in a pressing direction, the outer surface of the side wall (2a) Protrudes the sleeve (16)
On the other hand, the operating member (6) is provided with a tubular portion (9),
The cylindrical portion (9) is inserted into the outer periphery of the sleeve (16).
The operating member (6) to the main body case (2)
To be rotatably operable with respect to the cylindrical portion (9).
The elastic member (17) is compressed on the outer end face of
And a groove (9a) for accommodating the groove (9a).
An outlet grill, wherein the opening of (a) is closed by a covering member (18) .