JPH06191264A - Air direction adjusting device - Google Patents

Abstract

PURPOSE:To adjust air direction easily while controlling the air quantity distributed state and make an air direction adjusting device compact. CONSTITUTION:An interlocking body storage part 31 with both side direction placed in the longitudinal direction is formed in an almost case like drum housing 21. The shaft part 46 of a third louver 40 is rotatably journalled to the center of the interlocking body storage part 31. On both sides of the third louver 40, shaft-support bodies 35 are supported slidably in both side directions, and the shaft parts 46 of louvers 41a-41d are rotatably supported into the bearing holes of the respective shaft-support bodies 35. Expandable cross arms 55 are enclosed in the interlocking body storage part 31, and the shaft parts 46 of the louvers 41a-41d are moved by the cross arms 55. The louvers 41a-41d are rotated around interlocking shafts 51 connected by a link body 52 and changed in the opening angles so as to enable the setting of concentrated-diffused state of air. When the operating element of the third louver 40 is rotatory-operated, the louvers 41a-41d are rotated while maintaining the concentrated-diffused state.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wind direction adjusting device provided at an air outlet of an air conditioner of an automobile.

[0002]

2. Description of the Related Art Conventionally, a plurality of substantially plate-shaped louvers are rotatably arranged at predetermined intervals along both sides of an air outlet.
There is known an air direction adjusting device that adjusts the blowing direction of the wind by rotating these louvers in conjunction with each other. Then, in this type of wind direction adjusting device, it is possible to adjust the opening angle between the louvers, to concentrate the air blown from the air outlet,
There is a known wind direction adjustment device that can adjust the air volume distribution, such as intensively blowing on a specific occupant, or sending the wind to a long distance or spreading it widely to enable gentle air blowing. .

In such an airflow direction adjusting device, as described in, for example, Japanese Utility Model Laid-Open No. 55-149135, the interlocking shafts provided in each louver are slid into guide grooves radially formed on the link plate. Movable fitting and moving this link plate in the front-back direction orthogonal to the direction in which the louvers are arranged parallel to each other to make the louvers parallel to each other for normal air flow. It is possible to set a concentrated state in which the concentrated air is blown out by narrowing the louver, or a diffused state in which the diffused air is blown out by widening the interval between the louver front end portions.

Further, as described in Japanese Utility Model Laid-Open No. 1-24750, the link plate is supported so as to be movable back and forth and rotatable, and the link plate is moved back and forth to adjust the air flow distribution. A configuration is known in which a plurality of louvers are integrally rotated by rotating a link plate to adjust the blowing direction of wind.

However, in such a structure, since the plurality of louvers are integrally rotated by rotating the link plate, the direction of the guide groove of the link plate is changed when the wind direction is adjusted, and the relative angle between the louvers is changed. However, there is a problem in that the louvers cannot be rotated as a whole while maintaining the parallel state in which the louvers are parallel to each other and the normal air flow is maintained, and the wind direction cannot be adjusted accurately. Further, since the interlocking shaft of the outer louver comes into contact with the end portion of the guide groove at the outer end portion where the movement amount of the link plate is large, there is a problem that the adjustment range of the wind direction is limited.

Further, as described in Japanese Patent Application Laid-Open No. 4-32650, the above-mentioned link plate is movably supported in the front-rear direction and both sides, and the link plate is moved back and forth to adjust the air flow distribution. At the same time, a configuration is known in which a plurality of louvers are integrally rotated by moving the link plate in both directions to adjust the blowing direction of the wind.

However, even with such a configuration, when adjusting the wind direction, the interlocking shaft of the louver slightly moves in the guide groove of the link plate, and the relative angle between the louvers is kept constant while reliably controlling the wind direction. It is difficult to make adjustments.

[0008]

As described above, in the conventional configuration, it is difficult to adjust the wind direction without fail while keeping the relative angle between the louvers constant and reliably controlling the air flow distribution state. I have a problem with.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a wind direction adjusting device which can easily adjust the wind direction while surely controlling the air flow distribution state and can downsize the device. To do.

[0010]

According to the wind direction adjusting device of the present invention, a plurality of louvers having a rotating shaft and an interlocking shaft are arranged along both sides of an air outlet, and these louvers are arranged on the rotating shafts. In a wind direction adjusting device that rotatably supports the louver as a center, connects the interlocking shafts, and rotates the louvers in an interlocking manner to adjust the airflow direction, interlocking along both sides of the air outlet. A case body having a body accommodating portion and a bearing portion movably supported along the longitudinal direction of the interlocking body accommodating portion and pivotally supporting the rotation shaft of each louver are provided. A plurality of shaft supporting bodies, an expandable interlocking body that is housed in the interlocking body storage section, is connected to each of the shaft supporting bodies and moves the shaft supporting bodies, and is housed in the interlocking body storage section; An operating body that expands and contracts the interlocking body,
A link body that rotatably connects the interlocking shafts of the louvers adjacent to each other.

[0011]

In the wind direction adjusting device of the present invention, when the operating body is operated to extend and contract the interlocking body, each shaft support connected to this interlocking body moves in both directions, and the bearings of these shaft support bodies are moved. The rotation axis of the louver pivotally supported by the section moves. In this state, since the interlocking shafts are sequentially connected by the link body and the interlocking shafts are held at a predetermined distance between them, the louvers rotate about each interlocking shaft as a fulcrum, and the relative angle between the louvers is increased. Changes, and the air volume distribution is adjusted to obtain concentrated or diffused wind. Then, when one louver is rotated in a state where these air volume distribution states are set, each louver sequentially connected by the link body rotates around each rotation axis and maintains each air volume distribution state. The wind direction is adjusted as it is.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The construction of an embodiment of the wind direction adjusting device of the present invention will be described below with reference to the drawings.

In FIG. 2, reference numeral 11 denotes a ventilator attached to an instrument panel of an automobile, etc. The ventilator 11 has an outer case 12 having a substantially tubular shape connected to an air conditioner (not shown). An air passage is provided inside the outer case 12, and a wind direction adjusting device 14 is housed on the front side which is the passenger compartment side, that is, the downstream side in the air passage, and is the upstream side in the air passage. A plate-shaped shutter (not shown) is rotatably housed on the rear side. A decorative frame 15 is attached around the front side of the outer case 12. The rotating shaft of the shutter is connected to the shutter operating knob 17 via the link rod 16. By rotating the operating knob 17 up and down, the shutter can open and close the ventilation passage to adjust the air volume. I have to.

Further, as shown in FIGS. 1 to 4, the wind direction adjusting device 14 has a substantially box-shaped drum housing 21 as a case body. The drum housing 21 has an air outlet 22 on the front side and a rear side. An air suction port 23 is formed on the side, and mounting shafts 24, 24 are provided so as to project from both side surfaces so that the mounting shafts 24, 24 can be turned up and down by a predetermined angle in the ventilation passage of the outer case 12.

On the front side of the drum housing 21, a pair of substantially horizontal plate-like horizontal louvers 26, 26 having both sides as longitudinal directions are integrally formed with the drum housing 21, and these horizontal louvers are provided. A front cover 27 having a substantially U-shaped cross-section with both sides being the longitudinal direction is formed integrally with the drum housing 21 at an intermediate position between 26 and 26.
Further, in the center of the upper and lower rear end portions of the front cover 27,
Notch 27a with a semicircular plane is formed, and
Rectangular cutouts 27b, which are located on both sides of the cutout 27a and are cut out in a substantially U-shape, are formed in two places at predetermined intervals along both sides. Plus, this front cover
In the vicinity of the central portion of the front end surface of 27, a rectangular knob through hole 27c that opens toward the front side is formed.

Reference numeral 29 denotes a rear cover which constitutes the drum housing 21. The rear cover 29 has a substantially V-shaped cross section having longitudinal directions in both lateral directions, and is in close contact with the rear side of the front cover 27. The engaging claws 30 projecting from both sides are engaged with and fixed to the inner surface of the drum housing 21 to regulate the air flow.

The rear cover 29 is formed with cutouts 29a and rectangular cutouts 29b corresponding to the cutouts 27a and the rectangular cutouts 27b of the front cover 27. When combined with the rear cover 29, an interlocking body accommodating portion 31 whose both sides are in the longitudinal direction is formed inside, and a central bearing portion 32 is formed between the notches 27a and 29a in the central portion. 4 rectangular notches 27
Between each of b and 29b, there is formed a shaft support body mounting portion 33 which has a rectangular shape in a plane and has both sides as longitudinal directions.

Then, a shaft support 35 having a substantially rectangular plate shape is slidably engaged with and mounted on each shaft support mounting portion 33. In each shaft support 35, along the front and rear ends,
An engaging groove 36 that engages with the front and rear rectangular cutouts 27b and 29b is formed, and a bearing hole 38 is formed as a bearing portion that vertically penetrates. Bearing holes for these shaft supports 35
38 includes a third louver 40 located at the center, a first louver 41a at the left end, a second louver 41b adjacent to the first louver 41a, a fourth louver 41c adjacent to the right side of the third louver 40, The fifth louver 41d on the right end side is rotatably supported. Each of the louvers 40, 41a to 41d is formed by joining an upper louver 42 and a lower louver 43, which are substantially plate-shaped,
From the lower center of the upper louver 42 in the front-rear direction, the engaging recess 42
A substantially cylindrical upper shaft part 42b forming a is projected downward, and an elastically deformable engaging projection 43a is projected from the center upper part of the lower louver 43 in the front-rear direction. The lower shaft portion 43b is provided so as to project upward. Then, the engaging protrusion 43a is inserted into the engaging recess 42a through the central bearing 32.
The shaft portion 46 of the central third louver 40 is formed by press-fitting and joining the upper and lower shaft portions 42b and 43b.
46 is rotatably supported by the central bearing portion 32, and the engaging projections 43a are press-fitted into the engaging concave portions 42a through the bearing holes 38 of each shaft support body 35 to form the upper and lower shaft portions 42b, 43b. The shaft portions 46 serving as the rotation shafts of the louvers 41a to 41d on both sides are formed by joining the shafts 46, and the shaft portions 46 are rotatably supported in the bearing holes 38 of each shaft support 35.

Each upper louver 42 and lower louver 43
Notches 42c and 43c for avoiding interference with the horizontal louvers 26 and 26 are formed on the front side of the, and the upper and lower shaft portions 42b and 43b of the upper louver 42 and the lower louver 43 are
A step is formed to define the vertical position. Further, interlocking shafts 51 project downward from the vicinity of the rear end of each upper louver 42.

Further, 52 is a rod-shaped link body, and each of these link bodies 52 has fitting holes 53, 53 at both ends thereof, and these fitting holes 53, 53 are adjacent to each other in the louver 4 respectively.
By rotatably fitting the interlocking shaft 51 of 0, 41a to 41d, the rear ends of the louvers 40, 41a to 41d are sequentially connected.

Therefore, by rotating the operator 54 protruding from the central third louver 40 to the left and right, the louvers 41a on both sides of the third louver 40 are interlocked with the rotation of the third louver 40.
41d also rotates around each shaft 46.

Further, 55 is a cross arm as an interlocking body, and this cross arm 55 is housed in the interlocking body housing section 31, and a total of six long arms 56 and a total of four short arms.
Combined with 57, it expands and contracts like a pantograph. That is, each elongated arm 56 has a fitting hole 56a formed at the center in the longitudinal direction, and a connecting portion 56b having a connecting hole or a connecting pin at one end in the longitudinal direction.
Are formed. On the other hand, each short arm 57 has a length dimension almost half that of the long arm 56 and has a fitting hole 57a formed at one end and a connecting portion having a connection hole or a connection pin at the other end. 57b is formed.

Each elongated arm 56 is connected to the second louver 41.
b, the third louver 40 and the fourth louver 41c are fitted in the respective shaft portions 46 with the fitting holes 56a rotatably, and two of them are respectively mounted vertically and in a direction intersecting with each other. . Further, each of the short arms 57 intersects with the shaft portion 46 of the first louver 41a and the shaft portion 46 of the fifth louver 41d in the fitting hole 57a rotatably, two vertically, and intersects each other. Is installed in the direction. Then, the adjacent arms 56 and 57 are
The connecting portions 56b, 57b are rotatably connected to each other and are configured to be expandable and contractable in both directions.

Further, a semi-disc shaped gear 59 is attached to the elongated arm 56 located at the center.

Reference numeral 61 is a rack with knobs as an operating body. The rack 61 with knobs has a prismatic shape whose longitudinal direction is on both sides, and is located on the front side of the cross arm 55 inside the interlock body storage section 31 in both side directions. It is slidably stored in. And
In the rear of this rack 61 with knobs, the gear of the cross arm 55
A rack portion 62 that meshes with 59 is provided in a protruding manner, and an operation knob 63 that protrudes to the front side through a through hole 27c for a knob in the front cover 27 is provided in a front portion. Further, from a plurality of front portions of the knob rack 61, sliding contact portions 64 that elastically contact the inside of the front cover 27 to prevent rattling are provided in a protruding manner. A sliding resistor (not shown) is interposed between the knob rack 61 and the inside of the front cover 27 to prevent the knob rack 61 from moving or rattling due to wind pressure or the like. It is designed to prevent it.

The operation knob 63 of the rack 61 with this knob
Gripping and sliding the rack with knob 61 in both directions,
The long arm 56 having a gear 59 that meshes with the rack portion 62 of the knob rack 61 rotates about the fitting hole 56a,
The cross arm 55 expands and contracts in a pantograph shape, and the shaft portions 46 of the louvers 41a to 41d supported by the shaft support members 35 move in both directions. At this time, each shaft portion 46 of the second louver 41b and the fourth louver 41c adjacent to the third louver 40 is, for example, 1 mm.
When moved, the shaft portions 46 of the first louver 41a and the fifth louver 41d located at both ends are moved by 2 mm.

Next, the operation of this embodiment will be described.

First, as shown in FIG. 1, when the operating knob 63 is gripped and the knob rack 61 is moved to the left, the gear 59 that meshes with the rack portion 62 of the knob rack 61 is attached. The shape arm 56 rotates clockwise from the initial position by a predetermined angle when viewed from above, the cross arm 55 extends in both directions, and each shaft portion 46 supported by each shaft support body 35 has a central first part. The louver 40 moves in a direction away from the shaft portion 46. For example, the shaft portion 46 of the first louver 41a moves 2 mm to the left,
The shaft 46 of 41b moves 1 mm to the left, the shaft 46 of the fourth louver 41c moves 1 mm to the right, and the shaft 46 of the fifth louver 41d moves 2 mm to the right. And the shaft portion of the third louver 40 in the center
Since 46 does not move, the distance between the shafts 46 increases by 1 mm from the initial position. On the other hand, each louver 40, 41a to 41
Between the rear end portions of d, since the interlocking shafts 51 are sequentially connected by the link body 52 and are held at a predetermined distance,
40, 41a to 41d rotate about the interlocking shafts 51 as fulcrums in a direction in which the front side portions open from each other, and the distance between the front end portions becomes larger than the distance between the rear end portions to obtain diffused air. The air volume distribution state (diffuse air distribution mode) is set.

Further, the operation knob 63 is gripped to hold a rack with knobs.
When 61 is moved all the way to the right, the cross arm 55 contracts and each shaft portion 46 moves in the opposite direction, and the distance between the shaft portions 46 decreases by 1 mm, for example, from the initial position. Therefore, the louvers 40, 41a to 41d are set in an air volume distribution state (diffusive air distribution mode) in which the front sides rotate about the interlocking shafts 51 as fulcrums in a direction in which the front sides bind to each other and concentrated wind is obtained.

At the initial position where the knob rack 61 is located at the center of both sides, the distance between the shaft portions 46 is equal to the distance between the rear end portions, and normal wind that neither diffuses nor concentrates is generated. Obtained air volume distribution state (neutral air distribution mode)
Is set to.

When the operator 54 projecting from the third louver 40 is rotated to the left or right in the state where these air flow distributions are set, the louvers 40 and 41a sequentially connected by the link body 52. 41d rotates around each shaft portion 46, and the wind direction is adjusted to the left and right while maintaining each air volume distribution state.

As described above, according to this embodiment, it is possible to smoothly and freely adjust the air flow distribution state such as concentrated diffusion by a simple operation, and keep the relative angle between the louvers 40, 41a to 41d constant to maintain the air flow. While reliably controlling the distribution state,
The wind direction can be easily and reliably adjusted to the left and right, the air conditioning effect can be enhanced, and the comfort inside the vehicle can be improved.

A rack with a cross arm 55 and a knob
61 is the interlocking member storage portion 31 inside the drum housing 21.
Since each shaft support 35 is moved along the interlocking body storage portion 31, the number of parts can be reduced, the structure can be simplified, and the cross arms 55 and the like can be provided outside the drum housing 21. There is no need to install the wind direction adjustment device 14
Can be downsized and can be easily attached to a ventilator or the like in place of the conventionally used wind direction adjusting device.

[0034]

According to the wind direction adjusting device of the present invention, the air volume distribution state such as concentrated diffusion can be adjusted smoothly and freely by a simple operation, and the air volume distribution state can be ensured by keeping the relative angle between the louvers constant. It is possible to adjust the wind direction easily and surely while controlling the air conditioner to improve the air conditioning effect. Further, since the interlocking body and the operating body are respectively housed in the interlocking body accommodating portion of the case body, and each shaft support is moved along the interlocking body accommodating portion, the interlocking body and the like are arranged outside the case body. It is not necessary to install the device, and the wind direction adjusting device can be downsized, and can be easily installed in place of the conventionally used wind direction adjusting device.

[Brief description of drawings]

FIG. 1 is a partially cutaway plan view showing an embodiment of a wind direction adjusting device of the present invention.

FIG. 2 is a perspective view of the same wind direction adjusting device.

FIG. 3 is an exploded perspective view of the wind direction adjusting device of the above.

FIG. 4 is a cross-sectional view of the above wind direction adjusting device.

[Explanation of symbols]

 14 Wind direction adjusting device 21 Drum housing as case body 22 Air outlet 31 Interlocking body storage 35 Shaft support 38 Bearing hole as bearing 41a, 41b, 41c, 41d Louver 46 Shaft 51 as rotating shaft 51 Interlocking shaft 52 Link body 55 Cross arm as interlocking body 61 Rack with knob as operating body

Claims (1)

[Claims] 1. A plurality of louvers having a rotating shaft and an interlocking shaft are arranged along both sides of an air outlet, and these louvers are rotatably supported around each of the rotating shafts. In a wind direction adjusting device that connects each interlocking shaft and rotates the respective louvers in an interlocking manner to adjust a wind direction, a case body provided with an interlocking body storage portion along both sides of the air outlet, and the interlocking body. A plurality of shaft support bodies that are movably supported along the longitudinal direction of the body storage portion and that are respectively provided with bearing portions that rotatably support the rotation shafts of the louvers, and the interlocking body storage portion. A retractable interlocking body that is housed in the interlocking body and is connected to each of the pivotal supports to move the pivoting supports; The interlocking shafts of each louver are rotatably connected. Wind deflector, characterized by comprising a link member.