JPH08150830A - Ventilator louver structure - Google Patents

Abstract

PURPOSE: To provide a ventilator louver structure that is able to smooth the motion of an operating knob by preventing any rattling of the knob. CONSTITUTION: This ventilator louver structure is featured that plural pieces of front fins linked up with each other and plural pieces of rear fins linked up with each other alikeare all set up in a ventilator case in the orthogonal direction with one another, while these front and rear fins are made so as to be rotated and operated by an operating knob. In this constitution, a through hole 14a to insert the front fin 7c through is formed in the operating knob 13, and a projection 18 is formed on an inner surface of the through hole 14a, while a recess groove, where this projection 18 is engaged, is formed in one side of the front fin 7c along the operating direction of the operating knob 13, and a projecting strip in contact with the other side of this front fin 7c is formed on the inner surface of the through hole 14a in at least two spots in shifting the position to the projection 18 with each other.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilator louver structure which prevents the operation knob from rattling and facilitates the operation of the operation knob.

[0002]

2. Description of the Related Art A driver's seat of an automobile is provided with an air outlet of an air conditioner for air-conditioning the passenger compartment. As shown in FIG. 11, the instrument panel 100 in the driver's seat is provided with a defroster 102, a side demister 103, ventilations 104 and 105, and a heater (not shown) as air outlets from the air conditioning duct 101. Is provided, and the ventilating louvers 10 for adjusting the wind direction are provided at the ventilation outlets 104, 105.
6, 107 are provided.

The ventilator louvers 106 and 107 are ventilating outlets 10 at the center and both sides of the driver's seat.
The wind direction can be changed by adjusting the orientation of the vertical and horizontal fins.

FIGS. 12 and 13 show a ventilator louver 110 in which front fins 108 are arranged in the front and rear fins 109 are arranged in the rear in a direction orthogonal to each other.
It shows how to change the vertical wind direction. The ventilator louver 110 has a plurality of rear fins 109 arranged in the case 111 at regular intervals in the vertical direction, and shafts 112 provided on both sides of the rear fins 109 are rotatably supported on the wall surface of the case 111. It is a thing. The rear fins 109 are connected at their rear end portions via a connecting bar 113, and their directions can be simultaneously changed by operating the operation knob 114. The operation knob 114 is provided on the front fin 108.
This operation knob 11 is slidably mounted on one of the
A bifurcated operating rod 115 provided at the tip of No. 4 is engaged with one of the rear fins 109. The front fin 108 is rotatably supported by the shaft portion 116 on the wall surface of the case 111, and the front fin 108 is configured to interlock with each other by the connecting rod 117.

Then, the operation knob 114 is rotated up and down to change the direction of the front fin 108 up and down.
Slide left and right, and the rear fin 1 through the operating rod 115.
The direction of 09 is changed to the left-right direction.

Conventionally, as the operation knob 114, as shown in FIGS. 14 and 15, a knob body 118 to be attached to the front fin 108 is formed in a U shape, and this U shape portion is formed. The front fin 108 is inserted into and attached to the pair of operating rods 1 provided at the front portion of the knob body 118.
15, the rear fin 109 is operated.

The knob body 118 has a protrusion 1 on its inner surface.
19 is provided, and is configured to slide along a slide groove 120 provided on the lower surface of the front fin 108, as shown in FIG. A ridge 121 is provided on the surface opposite to the protrusion 119.
1 contacts the upper surface of the front fin 108 to prevent backlash with the front fin 108.

[0008]

However, according to the above-mentioned prior art, since the protrusion 119 side of the actual molded product enters inside due to contraction during molding, the protrusion 119 and the ridge 121 cause the front fins to come into contact. Since 108 is strongly pinched, the operation feeling of the operation knob 114 may be deteriorated. In addition, the protrusion 119 and the ridge 12
1 causes contact at two points, which may cause play.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above problems and to provide a ventilator louver structure which prevents the operation knob from rattling and facilitates the operation of the operation knob.

[0010]

In order to solve the above-mentioned problems, the present invention arranges a plurality of front fins and a plurality of rear fins connected to each other in a ventilator case in directions orthogonal to each other. , Each fin is rotatably provided around a rotary shaft, one of the front fins is provided with an operation knob slidably, and the tip of the operation knob is engaged with one of the rear fins. In a ventilator louver structure in which an engaging portion is provided to rotate the front fin and the rear fin by an operation knob, a through hole for inserting the front fin is formed in the operation knob, and A protrusion is formed on the inner surface of the through hole, and a concave groove with which the protrusion engages is formed on one surface of the front fin along the operation direction of the operation knob, and a protrusion that contacts the other surface of the front fin. The above In that formed in at least two positions by shifting the positions from each other and the protruding portions on the inner surface of the through hole.

Further, according to the present invention, a plurality of front fins connected to each other and a plurality of rear fins connected to each other are arranged in the ventilator case in directions orthogonal to each other, and each fin is centered around a rotation axis. The operation knob is rotatably provided, the operation knob is slidably provided on one of the front fins, and an engaging portion that engages with one of the rear fins is provided on a tip end portion of the operation knob. In a ventilator louver structure in which a fin is rotated by an operation knob, a through hole for inserting the front fin is formed on a side surface of the operation knob, and a protrusion is formed on an inner surface of the through hole. Then, a concave groove with which the protrusion is engaged is formed on one surface of the front fin along the operation direction of the operation knob, and a ridge contacting the other surface of the front fin is formed on the inner surface of the through hole. Part and Mutual At least by shifting the position to 2
This is because the opening is formed at a position and the opening hole reaching the through hole is formed on the lower surface of the operation knob.

[0012]

When the operation knob is slid along the front fin, the operation plate of the operation knob causes the rear fin to change its direction around the rotation axis. Since the operation knob is supported by the front fin through the through hole and both sides are supported by the protrusion and the ridge, rattling can be prevented.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings.

In FIG. 1, reference numeral 1 denotes an instrument panel of an automobile. Air outlets 2 and 3 are provided in the central portion and both sides of the instrument panel 1, and ventilator louvers 4 and 5 that adjust the wind direction are provided in the air outlets 2 and 3, respectively.

FIGS. 2 to 5 show the ventilator louvers 5 on both sides.
Is a front fin (lateral fin) 7 in the ventilator case 6.
a, 7b, 7c, 7d, 7e and rear fin (vertical fin)
8a, 8b, and 8c are arranged in a direction orthogonal to each other.
(Sheets) are supported at fixed intervals f.

The front fins 7a, 7b, 7c, 7d, 7
The components e are pivotally supported by the connector 9 and are linked so as to interlock with each other. The rear fins 8a, 8b, 8c are rotatably supported by rotating shafts 10a, 10b, 10c, and the rear fins 8a, 8c on both left and right sides of the central rear fin 8b are blown out from the ventilator case 6. It is arranged near the mouth side 6a. The central rear fin 8b and the left and right rear fins 8a, 8c are respectively connected to the separate connectors 11a, 1
1b, and connecting shaft portions (connecting portions) 12a, 12 of the rotating shaft 10 and the connectors 11a, 11b.
The distances up to b and 12c are the same as the distance a between the rotation shaft 10b of the central rear fin 8b and the connector 11b, but the rotation shafts 10a and 10c of the left and right rear fins 8a and 8c and the connecting shaft portion 12a. The distance b to 12c is set to be short.

Reference numeral 13 denotes an operation knob slidably provided on the front fin 7c at the central portion, which will be described with reference to FIGS. The operation knob 13 includes a holding portion 14 and an engaging portion 15 including a pair of fan-shaped operation plates 15a and 15b attached to the rear end portion of the holding portion 14.

The holding portion 14 has a through hole 14a formed in the lateral direction for inserting the front fin 7c, and is supported by the front fin 7c through the through hole 14a. The operation plates 15a and 15b provided at the rear end of the holding portion 14 are arranged so as to sandwich both sides (left and right surfaces) of the central rear fin 8b. As shown in FIG. 5, the central rear fin 8b has a semicircular cutout portion (semicircular cutout hole) 16 formed on the plate surface, and the operation plate 15 is provided at the tip of the cutout portion 16.
An engaging portion 17 that engages with a and 15b is provided.

In the through hole 14a of the holding portion 14, a protrusion 18 is formed on one side of the inner surface along the operating direction of the operating knob 13.
Is provided, and the ridge 19 is provided at two locations on the other side opposed to the protrusion 18 so as to be displaced from the position of the protrusion 18. The protrusion 18 engages with a groove 20 formed on the side surface of the front fin 7c.

The holding portion 1 having the protrusion 18 formed therein.
An opening hole 21 is formed in the plate surface of No. 4, and the projection 18
Are formed only on both sides of the opening hole 21.

According to the above construction, when the operation knob 13 is slid to the right and left along the front fin 7c, the operation plates 15a, 1
The central rear fin 8b is pivotally operated by 5b, and the left and right rear fins 8 are respectively operated by the separate connectors 11a and 11b.
The a and 8c are also rotated to rotate left and right. Further, when the operation knob 13 is rotated up and down together with the front fin 7c,
The front fins 7a, 7b, 7c, 7d, 7e are interlocked with each other by a connector 9 and are turned upside down. At this time, since the operation knob 13 is attached to the front fin 7c through the through hole 14a, and both sides of the front fin 7c are sandwiched by the protrusion 18 and the two protruding ridges 19, the operation knob 13 is Rattling is prevented. Further, since the opening hole 21 is formed in the lower surface of the operation knob 13,
Since the protrusions 18 are formed only on both sides of the opening hole 21, the portions where the protrusions 18 contact the front fins 7c are limited, and the sliding resistance is small, so the operation is smooth.

[0022]

As described above, the ventilator louver structure according to the present invention has the following effects. 3. The ventilator case according to claim 1, wherein a plurality of front fins connected to each other and a plurality of rear fins connected to each other are arranged in directions orthogonal to each other, and each fin is rotatable about a rotation axis. An operating knob is slidably provided on one of the front fins, and an engaging portion that engages with one of the rear fins is provided on the tip of the operating knob to operate the front fin and the rear fin. In the ventilator louver structure adapted to be rotated by means of the operation knob, a through hole for inserting the front fin is formed in the operation knob, and a protrusion is formed on the inner surface of the through hole. A concave groove to be engaged is formed on one surface of the front fin along the operation direction of the operation knob, and a ridge that abuts on the other surface of the front fin is offset from the projection on the inner surface of the through hole. Since formed in at least two locations to prevent rattling of the operating knob can be slid smoothly along the front fin, it is possible to improve the operational feeling. 3. The ventilator case according to claim 2, wherein a plurality of front fins connected to each other and a plurality of rear fins connected to each other are arranged in directions orthogonal to each other, and each fin is rotatable about a rotation axis. An operating knob is slidably provided on one of the front fins, and an engaging portion that engages with one of the rear fins is provided on the tip of the operating knob to operate the front fin and the rear fin. In a ventilator louver structure that is configured to be rotated by means of the above, a through hole for inserting the front fin is formed in a side surface of the operation knob, and a protrusion is formed on an inner surface of the through hole. A groove is formed on one surface of the front fin along the operating direction of the operation knob, and a ridge that abuts the other surface of the front fin is positioned on the inner surface of the through hole with the projection. To Rashi at least 2
Since the opening hole reaching the through hole is formed on the lower surface of the operation knob while being formed at a position, it is possible to reduce sliding resistance, to smoothly operate the operation knob, and to prevent rattling of the operation knob. . Further, since the opening hole is formed on the lower surface side of the operation knob, it is not visible from the outside, so that the appearance can be improved. In Claim 2, since the projection is formed on the inner surface of the through hole with the opening being sandwiched, and the projection is provided at a position where the opening is desired and the projection is sandwiched between the projection and the projection. Since it is attached to the front fin with an appropriate strength, the sliding resistance can be reduced.

[Brief description of drawings]

FIG. 1 is a perspective view showing an air conditioning outlet provided on an instrument panel.

FIG. 2 is a front view showing a ventilator louver structure of the present invention.

FIG. 3 is a sectional view taken along line AA of FIG. 1;

FIG. 4 is a sectional view taken along line BB of FIG. 1;

FIG. 5 is a perspective view showing an assembly structure of an operation knob and a front fin.

FIG. 6 is a perspective view showing an operation knob.

FIG. 7 is a perspective view showing an operation knob.

FIG. 8 is a side view showing an operation knob.

FIG. 9 is a bottom view of FIG.

10 is a cross-sectional view taken along the line AA of FIG.

FIG. 11 is a perspective view showing an air conditioning outlet provided on an instrument panel.

FIG. 12 is a front view showing a conventional ventilator louver.

13 is a right side view of FIG.

FIG. 14 is a side view showing a conventional operation knob.

FIG. 15 is a bottom view of FIG.

FIG. 16 is a plan view showing a fin on which an operation knob is attached.

[Explanation of symbols]

 1 Instrument panel 2 Air outlet 3 Air outlet 4 Ventilator louver 5 Ventilator louver 6 Ventilator case 7a, 7b, 7c, 7d, 7e Front fin 8a, 8b, 8c Rear fin 9, 11a, 11b Connector 10a, 10b, 10c Rotating shafts 12a, 12b, 12c Connection shaft portion (connection portion) 13 Operation knob 14 Clamping portion 15 Engagement portion 16 Notch portion 17 Engagement portion 18 Projection portion 19 Convex groove 20 Recessed groove 21 Opening hole

Claims (3)

[Claims] 1. A ventilator case has a plurality of front fins connected to each other and a plurality of rear fins connected to each other arranged in directions orthogonal to each other, and each fin is rotatable about a rotation axis. An operating knob is slidably provided on one of the front fins, and an engaging portion that engages with one of the rear fins is provided on the tip of the operating knob to operate the front fin and the rear fin. In the ventilator louver structure adapted to be rotated by means of the operation knob, a through hole for inserting the front fin is formed in the operation knob, and a protrusion is formed on the inner surface of the through hole. A concave groove to be engaged is formed on one surface of the front fin along the operation direction of the operation knob, and a ridge that abuts on the other surface of the front fin is offset from the projection on the inner surface of the through hole. Few Ventilator louver structure characterized by being formed in at least two places. 2. A plurality of front fins connected to each other and a plurality of rear fins connected to each other are arranged in a ventilator case in directions orthogonal to each other, and each fin is rotatable about a rotation axis. An operating knob is slidably provided on one of the front fins, and an engaging portion that engages with one of the rear fins is provided on the tip of the operating knob to operate the front fin and the rear fin. In a ventilator louver structure that is configured to be rotated by means of the above, a through hole for inserting the front fin is formed in a side surface of the operation knob, and a protrusion is formed on an inner surface of the through hole. A groove is formed on one surface of the front fin along the operating direction of the operation knob, and a ridge that abuts the other surface of the front fin is positioned on the inner surface of the through hole with the projection. Shift The ventilator louver structure is characterized in that it is formed in at least two places and an opening hole reaching the through hole is formed in the lower surface of the operation knob. 3. The projection is formed on the inner surface of the through hole with the opening being sandwiched, and a ridge is provided at a position where the opening is desired and with the projection being sandwiched. The ventilator louver structure described in 2.