JP4967670B2 - Ventilation grill for vehicles - Google Patents

Description

  The present invention relates to a blowout grill that forms a blowout opening for air-conditioning air, and more particularly to a blowout grill for a vehicle that includes a plurality of rotatable wind direction plates.

  Conventionally, in an air conditioner for a rear passenger compartment such as a wagon car, an air conditioning duct is installed along the roof side of the passenger compartment, and an air outlet grill is formed on the air duct toward the passenger compartment. There are some (see, for example, Patent Document 1). In general, the blow grill is provided with a plurality of wind direction plates (fins) capable of adjusting the blow angle of the air-conditioning air.

  4 and 5 show a conventional typical blow grill, FIG. 4 is a perspective view of the blow grill, and FIG. 5 is a cross-sectional view taken along the line V-V in FIG. The blowout grill 1 has a double frame structure with an outer frame member 2 and an inner frame member 3, and a blowout port 30 elongated in the left-right direction is formed inside the inner frame member 3. A plurality of wind direction plates 4A are erected in the outlet 30 so as to partition the outlet 30 with a predetermined interval in the left-right direction.

4 and 5 show only the lower edge side of the wind direction plate 4A, but the wind direction plate 4A has a pair of upper and lower protrusions 49 that are bent from the upper and lower edges and project toward the back side of the wind direction plate 4A. The upper protrusion is provided with an upward support shaft portion, and the lower protrusion 49 is provided with a downward support shaft portion 43. And each louver 4A are upper and lower support shaft portion 43 is left-right direction rotatably supported on the inner peripheral upper and lower inner peripheral portion 33 of the frame member 3, respectively, the direction blowing the conditioned air guided to and to the left and right ventilation Ventilation position (solid line in FIG. 5) for adjusting the air flow and a closed position (virtual line in FIG. 5) where all the wind direction plates 4 are arranged substantially flush with each other to block the air outlet and shut off the air-conditioning air. It has been. In the figure, reference numeral 491 denotes a reinforcing rib for reinforcing the protrusion 49.

  Further, at the lower edge of each wind direction plate 4A, a downward guide pin 44 is provided at a position deeper than the protrusion 49 on the lower edge at the ventilation position. On the other hand, a groove-like guide portion 35 is formed in an arc shape corresponding to the guide pin 44 in the inner peripheral lower portion 33 in the inner frame member 3 so that the guide pin 44 is inserted and guided when the wind direction plate 4A rotates. Yes. Further, the front end of the guide portion 35 on the front side of the air outlet 30 is closed, and when the wind direction plate 4A is rotated to the closed position, the front end abuts against the guide pin 44 to restrict the rotation range of the wind direction plate 4A. Play a role.

The blow-out grill 1 is fitted and fixed to an opening in which the outer frame member 2 communicates with the air conditioning duct of the ceiling plate constituting the roof side, and the inner frame member 3 is connected to the outer surface of the left and right side walls with respect to the outer frame member 2. The left and right support shaft portions 31 formed on the left and right are supported by the left and right inner peripheral side surfaces of the outer frame member 2 so as to be pivotable up and down, and the wind direction can be adjusted up and down. In the invention described in Patent Document 1, a current-transforming plate that projects from the blowing grill into the duct and rectifies the conditioned air in the duct is provided so that the conditioned air is blown at a blowing angle along the wind direction plate. At the same time, the blowing noise is reduced.
JP 2000-219038 A

  However, in the above-described conventional typical blowout grill, when the wind direction plate 4A is in the ventilation position, the inner peripheral portion 33 of the inner frame member 3 is exposed from between the wind direction plates 4A through the blowout port 30, and in particular, the wind direction plate. The attachment part to the inner peripheral part 33 such as the protrusion 49 on the lower edge of 4A, the guide pin 44 of the wind direction plate 4A, and the guide part 35 provided on the inner peripheral part 33 become conspicuous and impair the appearance. There was a problem.

  Therefore, the present invention provides a mounting portion for attaching the wind direction plate to the inner peripheral portion of the frame member from between the wind direction plates, a guide pin for the wind direction plate, and a guide portion for inserting and guiding the guide pin to regulate the rotation range of the wind direction plate. However, the present invention has been made with the object of providing a blow-out grill for a vehicle that does not show up and has a good appearance.

The present invention is a blow grill provided with a plurality of turnable wind direction plates inside a frame member constituting an air outlet for air conditioning air, and the wind direction plate has upper and lower support shafts on the upper end side and the lower end side, respectively. The air flow is supported by the inner peripheral part of the frame member via the part so as to be rotatable, and the ventilation position for blowing and guiding the air-conditioning air, and the entire wind direction plate are substantially flush with each other to cover the air outlet and shut off the air-conditioning air. in outlet grill for the possible switched between the closed position the vehicle, tension the wind direction plate, a vertical plate-like body, from the upper and lower edges of the body by bending over these entire length to the back side of the body The upper horizontal plate-like overhanging portion and the lower horizontal plate-like overhanging portion are formed in a substantially U-shaped cross section. The upper and lower projecting portions are provided with the upper and lower support shaft portions at positions away from the main body, respectively, and the wind direction plates are rotatably provided around the upper and lower support shaft portions as the rotation center. The projecting portion is formed so that the edge of each projecting portion is close to and faces the adjacent wind direction plate when the wind direction plate is in the ventilation position. The projecting portion is provided with a guide pin at a position farther rearward than the support shaft portion, and the guide pin is provided on the inner peripheral portion of the frame member corresponding to the guide pin when the wind direction plate is rotated. A guide part that guides the insertion and restricts the rotation range of the wind direction plate is provided, and the upper and lower projecting parts form the guide part together with the support shaft part and the guide pin with the adjacent wind direction plate. cover the inner periphery of the above frame member (claim 1).

When each wind direction plate is in the ventilation position, the horizontal plate-like overhanging portion of each wind direction plate covers the inner periphery of the frame member between each wind direction plate, and the guide portion that guides the guide pin together with the support shaft portion and guide pin is hidden. The appearance of the blowout grill can be improved.

  An embodiment to which the present invention is applied will be described with reference to FIGS. FIG. 1 is a front view of a blow grill according to the present invention, FIG. 2 is a cross-sectional view taken along line II-II in FIG. 1, and FIG. 3 is a perspective view of the blow grill as viewed from an oblique direction. The blow-out grill 1 has a two-layer structure including an outer frame member 2 and an inner frame member 3. The outer frame member 2 includes a rectangular frame front surface portion 21 that surrounds an opening 20 that is elongated in the left-right direction, and a rectangular tube-shaped frame rear portion 22 that is bent from the inner peripheral edge of the frame front surface portion 21 and protrudes backward. It is integrally molded.

  The inner frame member 3 is formed in a rectangular tube shape that is slightly smaller than the outer frame member 2, and constitutes an air-conditioning air outlet 30 inside. The inner frame member 3 is inserted into the outer frame member 2, and the projecting support shaft portions 31, 31 provided at substantially the center of the left and right ends of the inner frame member 3 are connected to the frame rear portion 22 of the outer frame member 2. The inner frame member 3 is pivoted slightly upward and downward with respect to the outer frame member 2 so that the direction of the outlet 30 is up and down. Can be adjusted.

Inside the air outlet 30 of the inner frame member 3, a plurality of wind direction plates 4 that adjust the air-conditioning air blowing direction are rotatably provided at predetermined intervals in the left-right direction. The wind direction plate 4 is bent from the vertical plate-shaped main body 40, the horizontal plate-shaped projecting portion 41 which is bent from the upper edge of the main body 40 and extends to the back side of the main body 40, and the main body 40 is bent from the lower edge of the main body 40. And a horizontal plate-like projecting portion 42 projecting to the back surface side of the head.

The upper and lower projecting portions 41 and 42 have substantially the same shape, and the lower projecting portion 42 will be mainly described. The lower projecting portion 42 is formed in a substantially mountain shape having a round shape projecting toward the back side of the main body 40 over substantially the entire length in the front-rear direction of the lower edge of the main body 40 with the air-conditioning air blowing direction as the front side. In order to enlarge the area as much as possible, the overhanging portion 42 has a front edge extending in an inclined curved shape from the front end of the lower edge of the main body 40 toward the back side of the main body 40 and slightly obliquely rearward, and a continuous arc from the front edge. An intermediate edge extending rearward and a straight rear edge orthogonal to the rear edge of the lower edge of the main body 40 are formed to be biased toward the rear edge.

The lower projecting portion 42 is provided with a cylindrical projection-shaped support shaft portion 43 projecting downward at a position away from the main body 40 and at an intermediate position near the front edge. The upper projecting portion 41 is provided with a support shaft portion 43 that protrudes upward coaxially with the support shaft portion 43 of the lower projecting portion 42.

  The wind direction plate 4 is inserted into the circular concave bearing portions provided on the inner peripheral upper portion 32 and the inner peripheral lower portion 33 of the inner frame member 3, and the upper and lower support shaft portions 43, 43 are rotated inside the inner frame member 3. It is assembled freely. The wind direction plate 4 has a ventilation position (solid line in FIG. 2) for guiding air-conditioning air from between the wind direction plates 4 around the axis of the upper and lower support shafts 43, 43 (CL-CL line in FIG. 1) as the rotation center. All the wind direction plates 4 are arranged so as to be substantially flush with each other so as to cover the outlet 30 and can be displaced to a closed position (virtual line in FIG. 2) where the air-conditioning air is shut off.

The wind direction plate 4 is provided with a guide pin 44 that protrudes downward from the lower projecting portion 42 at a position away from the main body 40 and at a middle position near the rear edge that is recessed rearward from the support shaft portion 43. It is.

  Corresponding to the guide pins 44 of the wind direction plate 4, the inner peripheral lower portion 33 of the inner frame member 3 is formed with a lower half portion 33 b lower than the front half portion 33 a and moves as the wind direction plate 4 rotates. The guide pin 44 is avoided. Further, a groove-shaped guide portion 35 that communicates with the front half portion 33a of the inner frame member 3 from the rear half portion 33b side and guides the movement while inserting the guide pin 44 is forward of the inner frame member 3. It extends in an arc shape.

  The guide portion 35 is closed at the front end, and when the wind direction plate 4 is rotated to the closed position, the guide pin 44 abuts on the front end and serves as a stopper for restricting further rotation of the wind direction plate 4. Eggplant.

Thus, the upper and lower projecting portions 41 and 42 of the wind direction plate 4 assembled into the inside of the inner frame member 3 (inside the blowout port 30) are the most overhanging from the main body 40 when the wind direction plate 4 is in the ventilation position. The intermediate edge is formed to be close to the adjacent wind direction plate 4 so as to cover the inner peripheral upper portion 31 and the inner peripheral lower portion 32 of the inner frame member 3 between the two wind direction plates 4. is there. In this case, since the projecting portions 41 and 42 are formed in a mountain shape in which the rear edge is a straight line perpendicular to the main body 40 and biased backward, the lower projecting portion 42 has a lower half portion of the inner peripheral lower portion 33. The guide part 35 is covered. Moreover, since the overhang | projection parts 41 and 42 are formed in the inclination curve shape from the front edge to the intermediate edge, they do not interfere with the adjacent wind direction board 4 by rotation of the said ventilation position and closed position.

  In addition, all the wind direction plates 4 are connected to the connecting member 6 in which the tip pins 46 of the protrusions 45 projecting obliquely rearward from the upper and lower intermediate positions on the back surface of the main body 40 shown in FIG. By rotating the central wind direction plate 4 provided with the other wind direction plates 4 according to this, the other wind direction plates 4 are also rotated integrally.

According to the present embodiment, the projecting portions 41 and 42 projecting from the upper and lower edges of the main body 40 to the back side are formed on the wind direction plate 4, and the upper and lower support portions are supported at the intermediate positions of these projecting portions 41 and 42. Since the shaft portions 43 and 43 are provided, the inner peripheral upper portion 32 and the inner peripheral lower portion 33 of the inner frame member 3 are covered and concealed by the upper and lower projecting portions 41 and 42 between the respective wind direction plates 4 at the ventilation position. Since the parts 43 and 43 and the attachment parts to the inner frame member 3 are not exposed, the appearance is good. Further, since the upper and lower projecting portions 41 and 42 are larger than the upper and lower tongue-shaped projections of the conventional structure and have a correspondingly higher strength, it is not necessary to provide reinforcing ribs.

Further, since the guide pin 44 is provided at the intermediate position of the lower overhanging portion 42, the guide pin 44 is not exposed, and a groove provided in the inner peripheral lower portion of the inner frame member 3 corresponding to the guide pin 44 is provided in 33. The guide portion 35 can be covered with the overhanging portion 42, and the appearance is not impaired.

Furthermore, since the guide pin 44 is provided in the overhanging portion 42, there is a degree of freedom in the formation position of the guide pin 44, and the guide pin 44 is located at a position closer to the rear edge of the overhanging portion 42 and as much as possible than the main body 40. By forming at a position away from the back side, the corresponding guide portion 35 becomes a deepened position on the rear side of the inner peripheral lower portion 33, so that the guide portion 35 can be easily hidden by the overhang portion 42.

In addition, the above-mentioned embodiment is an illustration and does not limit the scope of the present invention, and the present invention includes various modifications and changes to the above-described embodiment. For example, in the embodiment described above a guide pin 44 in the projecting portion 42 of the lower, is provided with the guide portion 35 in the lower inner peripheral portion 33 of the inner frame member 3 is not limited to this, the guide pin above the projecting portion The guide portion may be provided on the inner periphery of the inner frame member. Further, the upper and lower projecting portions 41 and 42 of the wind direction plate 4 are not limited to the rounded mountain shape biased rearward, but may have a semi-circular shape or a rounded trapezoidal shape with the leading edge being inclined although the area is slightly reduced. .

It is a front view of the grill for vehicles to which the present invention is applied. It is sectional drawing in the position which follows the II-II line | wire of FIG. It is a perspective view of the grill for vehicles of the present invention. It is a perspective view of the conventional typical vehicle grill. It is sectional drawing which follows the VV line of FIG.

Explanation of symbols

1 Outlet grill 3 Inner frame member (frame member)
30 Air outlet 32 Inner circumference upper part (inner circumference part)
33 Lower inner circumference (inner circumference)
35 Guide part 4 Wind direction plate 40 Main body 41 Upper projecting part 42 Lower projecting part 43 Support shaft part 44 Guide pin

Claims (1)

A blow grill provided with a plurality of rotatable wind direction plates inside a frame member constituting a blowout port of air-conditioned air,
The upper and lower ends of the wind direction plate are rotatably supported by the inner peripheral portion of the frame member via upper and lower support shafts, respectively, and the ventilation position for blowing and guiding the air-conditioning air, and the entire wind direction plate are substantially surface. In a blowout grill for a vehicle that can be switched to a closed position that covers the blowout opening in a row and shuts off air-conditioning air,
The wind direction plate, a vertical plate-like body, the upper horizontal plate-like projecting portion and the lower horizontal plate-like projecting to the back side of the main body from the upper and lower edges of the body by bending over these entire length The cross section is formed into a substantially U-shaped cross section with
The upper and lower projecting portions are provided with the upper and lower support shaft portions at positions away from the main body, respectively, and the wind direction plate is rotatably provided around the upper and lower support shaft portions as a rotation center.
The upper and lower projecting portions are formed such that when the wind direction plate is at the ventilation position, the edge of each projecting portion is adjacent to and adjacent to the adjacent wind direction plate,
The projecting portion is provided with a guide pin at a position farther rearward than the support shaft portion, and the guide pin is provided on the inner peripheral portion of the frame member corresponding to the guide pin when the wind direction plate is rotated. Provide a guide part that guides the insertion and regulates the rotation range of the wind direction plate,
The vehicular blowout configured to cover the inner peripheral portion of the frame member that forms the guide portion together with the support shaft portion and the guide pin with the wind direction plate located adjacent to the upper and lower protruding portions. grill.