JP5338689B2 - In-car duct blowout grill - Google Patents

Description

  The present invention relates to a blowout grill provided at a vehicle interior opening of an in-vehicle duct that blows conditioned air.

In automobiles such as minivans, the outlet of the duct that blows air-conditioned air to the rear seat is designed to ensure that the cool air hits the throat area in order to quickly and comfortably occupant when boarding in the summer when the passenger compartment is hot Forming. The duct is blown from an air conditioning unit disposed at a corner at the rear of the vehicle.
In addition, when cool down (the initial stage of cooling) when the temperature in the vehicle interior is lowered to the set temperature, or when the temperature in the vehicle interior is stable after the cool down has been completed, the passenger may feel uncomfortable if the cold air hits the passenger directly. There is. In this case, it is conceivable to change the angle of the opening and closing fins. However, according to this method, a local temperature difference occurs in the vehicle interior, and it is difficult to keep the temperature of the rear seat in the vehicle interior comfortable.

  As a technique for improving the above problem, for example, there is an air outlet device disclosed in Patent Document 1. The air outlet device includes a receiving member having an arc-shaped receiving surface portion, and an air outlet member having an air outlet portion spaced from the receiving surface portion, and the outlet member is rotated by rotating a cover body in the air outlet member. The direction of the air blown out from the section can be changed. Thereby, in the vehicle compartment, a direct wind that directly hits the occupant and a diffused wind that does not hit the occupant can be formed.

JP 2007-38711 A

  However, in the air outlet device of Patent Document 1, it is necessary to provide a cylindrical air outlet member at the tip of the duct, the portion where the air outlet device is disposed in the duct is limited, and the flow path of the duct is interrupted. The area is also limited. Further, the direction in which the indirect wind is blown becomes the direction in which the blowing portion faces, and the direction in which the diffused wind is blown away from the passenger is specified as one direction.

  The present invention has been made in view of such a conventional problem, and can flexibly cope with cool-down and cooling stable, and can be disposed at any part of the in-vehicle duct. An object of the present invention is to provide an in-vehicle duct blow grill that can blow conditioned air in a plurality of directions on the surface of an interior material while avoiding passengers.

One aspect of the present invention is a blowout grill provided at a vehicle interior opening of an in-vehicle duct that blows conditioned air,
A base part attached to the interior material, a cylindrical cylinder having a cylindrical shape and engaged with the base part so as to be able to be pulled out to the vehicle interior side, and a plurality of openings provided at the opening of the slide cylinder part so as to be opened and closed With fins,
At a plurality of locations in the circumferential direction of the slide cylinder part, blowout holes are formed,
In situ before extending the slide cylindrical portion, blown conditioned air from the opening by Rukoto open the plurality of fins, in the pull-out position after the drawer the slide cylindrical portion, a plurality of fins It closed being configured to blow out conditioned air from said outlet holes by Rukoto,
The slide cylinder part is helically engaged with the base part, and the amount of conditioned air blown out from the plurality of blow holes can be adjusted by a structure in which the slide cylinder part is gradually pulled out while rotating. It is in the blowing grill of the vehicle-mounted duct characterized by the above-mentioned (Claim 1).
Another aspect of the present invention is a blowout grill provided at a vehicle interior opening of a vehicle-mounted duct for blowing conditioned air,
A base part attached to the interior material, a cylindrical cylinder having a cylindrical shape and engaged with the base part so as to be able to be pulled out to the vehicle interior side, and a plurality of openings provided at the opening of the slide cylinder part so as to be opened and closed With fins,
Blow holes are formed at a plurality of locations in the circumferential direction of the slide cylinder portion, and the plurality of blow holes are formed in a spiral shape with respect to the outer periphery of the slide cylinder portion,
The base portion is provided with a protrusion that engages with the blowing hole,
In the original position before pulling out the slide cylinder portion, the plurality of fins are opened to blow out the conditioned air from the opening, and in the pull-out position after the slide cylinder portion is pulled out, the plurality of fins are closed. Is configured to blow out conditioned air from the blowout hole,
The in-vehicle duct characterized in that the blowing amount of the conditioned air blown out from the plurality of blowing holes can be adjusted by a structure in which the blowing hole guides the protrusion and gradually pulls out while rotating the slide cylinder portion. (Claim 2).

The blowing grill of the in-vehicle duct according to the present invention enables a slide cylinder portion provided with a plurality of fins to be drawn out of a base portion attached to the interior material. In the slide cylinder portion, blow holes are formed at a plurality of locations in the circumferential direction.
In the original position before pulling out the slide cylinder part, the blow grill is opened at the slide cylinder part by opening a plurality of fins and opening the slide cylinder part at the time of cool down. It can be set so that the conditioned air is blown out from the opening. Thereby, at the time of cool-down, air-conditioned air can be blown out toward the occupant, and the passenger compartment can be cooled rapidly.

  On the other hand, the blow-off grill, in the draw-out position after pulling out the slide cylinder part, closes the plurality of fins and blows conditioned air from the blow-out holes in the slide cylinder part, so that the occupant can It is possible to prevent direct contact with conditioned air. Accordingly, it is possible to prevent the passenger from feeling uncomfortable particularly when the cooling is stable, and it is possible to reduce the occurrence of a local temperature difference in the passenger compartment.

In addition, the slide cylinder part is a structure that is pulled out to the vehicle interior side with respect to the base part, and can be disposed at any part of the in-vehicle duct, thereby preventing a restriction on the flow path cross-sectional area of the in-vehicle duct. be able to. In addition, by blowing the conditioned air from the blow holes provided in a plurality of locations in the circumferential direction of the slide cylinder portion, the conditioned air can be blown in a plurality of directions on the surface of the interior material while avoiding the passenger.
Furthermore, the opening / closing operation of the plurality of fins and the pulling-out operation of the slide cylinder part can be manually performed by the occupant, and the blowing state of the conditioned air from the blowing grill can be changed with a very simple mechanical structure.

  Therefore, according to the blow-out grill of the vehicle-mounted duct of the present invention, it can flexibly cope with the cool-down time and the cooling stable time, and can be disposed at any part of the vehicle-mounted duct, The conditioned air can be blown out in a plurality of directions on the surface of the interior material while avoiding the occupant.

The front view which shows in the state which looked at the blowing grill when opening several fins in an Example from the vehicle interior side. The slide cylinder part in an Example is a figure which shows a blowing grill when a some fin is made into an open state, and is the sectional view on the AA line in FIG. The slide cylinder part in an Example has an arbitrary drawer | drawing-out position, and is a figure which shows the blowing grill when a several fin is made into a closed state, and is AA arrow sectional drawing in FIG. It is a figure which shows the formation state of the several blowing hole in a slide cylinder part in an Example, and is AA arrow sectional drawing in FIG. The slide cylinder part in an Example is a figure which shows a blowing grill when a some fin is made into an open state, and is the BB arrow sectional drawing in FIG. The perspective view which shows the state which has arrange | positioned the vehicle-mounted duct in the resin ceiling material in an Example. Sectional drawing which shows typically the cross section of the ceiling part of a vehicle in an Example.

A preferred embodiment of the above-described blowout grill of the in-vehicle duct of the present invention will be described.
In the blowout grill of the in-vehicle duct according to the present invention, the amount of the slide cylinder portion with respect to the base portion can be adjusted, and the amount of conditioned air blown out from the plurality of blowout holes can be adjusted. .
In this case, the occupant can arbitrarily adjust the blowout amount of the conditioned air blown out from the plurality of blowout holes by adjusting the pullout amount of the slide cylinder portion.

In the aspect of the present invention, the slide tube portion has a cylindrical shape, and the slide tube portion is helically engaged with the base portion while rotating the slide tube portion. the structure withdrawing gradually, allowing adjusting the blowing amount of the conditioned air blown out from the plurality of blowing holes.
Thereby, since it pulls out while rotating a slide cylinder part, adjustment of the drawing-out amount of a slide cylinder part can be performed much more easily.

In another aspect of the present invention, the slide tube portion has a cylindrical shape, and the plurality of blowout holes are formed in a spiral shape with respect to the outer periphery of the slide tube portion, The base portion is provided with projections that engage with the blowout holes, and the plurality of blowout holes guide the projections and gradually pull out while rotating the slide cylinder portion. which enables adjusting the blowing amount of the conditioned air that is blown out from the hole.
Thereby , the function which blows off air-conditioning air and the function of a guide when pulling out while rotating a slide cylinder part can be combined by a blow-out hole. Therefore, these functions can be shared by an extremely simple mechanical structure.

The in-vehicle duct is for blowing conditioned air from the left and right of the ceiling portion of the rear seat in the vehicle into the vehicle interior, and closes the plurality of fins at the extraction position after the slide cylinder portion is pulled out. when the can, it is preferable to avoid exposure conditioned air directly to the occupant seated in the rear seat by blowing conditioned air from the blowing port (claim 3).
In this case, the rear seat of the vehicle can be made comfortable both during the cool-down and when the cooling is stable.

Hereinafter, embodiments of a blow-out grill of an in-vehicle duct according to the present invention will be described with reference to the drawings.
The blow-out grill 4 of the vehicle-mounted duct 3 of this example is provided in the vehicle interior opening 31 of the vehicle-mounted duct 3 that blows the conditioned air A as shown in FIG. As shown in FIGS. 1 to 4, the blow-out grill 4 includes a base portion 5 attached to a resin ceiling material 2 as an interior material, and a cylindrical shape that can be pulled out toward the vehicle interior R side with respect to the base portion 5. The combined slide cylinder part 6 and a plurality of fins 7 that can be opened and closed at the opening 60 of the slide cylinder part 6 are provided. Blow holes 611 are formed at a plurality of locations in the circumferential direction C of the slide cylinder portion 6.
As shown in FIG. 2, the blowout grill 4 blows out the conditioned air A from the opening 60 in the axial direction L of the slide cylinder 6 by opening the plurality of fins 7 at the original position 601 before the slide cylinder 6 is pulled out. As shown in FIG. 3, at the drawing position 602 after the slide cylinder portion 6 is pulled out, the plurality of fins 7 are closed so that the conditioned air A is blown out from the plurality of blowing holes 611 in the circumferential direction C of the slide cylinder portion 6. It is configured.

Hereinafter, the blowing grill 4 of the in-vehicle duct 3 of this example will be described in detail with reference to FIGS.
As shown in FIGS. 6 and 7, the in-vehicle duct 3 of this example is a rear seat duct provided on the left and right of the ceiling 1 of the rear seat in the vehicle, and blows conditioned air A to the rear seat of the vehicle interior R. Is to do. Here, FIG. 6 is a view showing a state in which the duct 3 is disposed on the resin ceiling material 2, and FIG. 7 is a view schematically showing a cross section of the ceiling portion 1 of the vehicle. In FIG. 7, the occupant is indicated by a symbol M.

  As shown in FIGS. 6 and 7, the in-vehicle duct 3 of this example is disposed on the back side of the resin ceiling material 2 disposed on the indoor side of the roof panel 11. The in-vehicle duct 3 blows the conditioned air A to the rear seat from an air conditioning unit (not shown) arranged at a corner (right corner in this example) at the rear of the vehicle. The in-vehicle duct 3 includes a right duct 3R disposed in a portion of the ceiling portion 1 located on the right side of the rear seat from the right rear end portion of the resin ceiling material 2 toward the front of the vehicle, and a left rear end of the resin ceiling material 2. The left side duct 3L disposed in the portion of the ceiling portion 1 located on the left side of the rear seat from the portion toward the front of the vehicle. The left duct 3L is connected to a rear end duct portion 32 disposed toward the left and right at the rear end portion of the resin ceiling material 2. By the air conditioning unit, the conditioned air A is branched and blown into the right duct 3R and the left duct 3L.

  Here, FIG. 1 is a view showing the blowing grill 4 as seen from the vehicle interior R side. 2 and 5 show the arrangement of the blow grill 4 when the plurality of fins 7 are in the open state 702 in order to blow the conditioned air A toward the vehicle interior R side in the axial direction L of the slide cylinder portion 6 during the cool down. It is a figure which shows the cross section of a site | part. FIGS. 3 and 4 show a state in which the slide cylinder portion 6 is drawn out to the draw-out position 702 on the vehicle interior R side in order to blow the conditioned air A to substantially the entire circumference in the circumferential direction C of the slide cylinder portion 6 when cooling is stable. It is a figure which shows the cross section of the arrangement | positioning site | part of the grill.

The vehicle of this example is an automobile such as a minivan equipped with a second row seat and a third row seat. As shown in FIG. 6, each duct 3R, 3L has a blowing grill 4 and 3 for the second row seat. The blow grill 4 for the row sheet is attached to the opening hole 21 provided in the resin ceiling material 2.
As shown in FIGS. 2 and 5, in the right side duct 3 </ b> R and the left side duct 3 </ b> L, a vehicle interior opening 31 is formed corresponding to the arrangement position of each blowing grill 4. An annular packing 33 that is elastically deformable is arranged between the peripheral edge of the vehicle interior opening 31 of each duct 3R, 3L and the back side surface of the resin ceiling material 2, and the vehicle of each duct 3R, 3L. Leakage of the conditioned air A from the indoor opening 31 is prevented.

  As shown in FIG. 3 and FIG. 4, the blowout grill 4 of this example makes it possible to adjust the drawout amount of the slide cylinder portion 6 with respect to the base portion 5, and the blowout amount of the conditioned air A blown out from the plurality of blowout holes 611. Adjustable. The blow-out grill 4 blows out the conditioned air A blown out from a plurality of blow-out holes 611 by a structure in which the slide cylinder part 6 is spirally engaged with the base part 5 and the slide cylinder part 6 is gradually pulled out while rotating. The amount is adjustable. When the plurality of fins 7 are brought into the closed state 701 after the slide cylinder portion 6 is pulled out to an arbitrary drawing position 602, the conditioned air A is directly applied to the occupant seated in the rear seat by blowing the conditioned air A from the blowing holes 611. You can avoid hitting.

Both the base part 5 and the slide cylinder part 6 in the blow-out grill 4 have a cylindrical shape.
As shown in FIG. 2, the base portion 5 is disposed on the back side surface of the peripheral edge of the opening hole 21 of the resin ceiling material 2. The slide cylinder portion 6 is provided with an annular flange portion 62 disposed on the front side surface of the resin ceiling material 2 at the indoor front end portion of the cylindrical tube portion 61. As shown in FIG. 1 and FIG. 5, concave portions 621 for engaging the passenger's fingers are formed at a plurality of locations (three locations in this example) in the circumferential direction C on the front side surface of the flange portion 62. Can insert the finger into the recess 621 and rotate the slide cylinder portion 6.

As shown in FIG. 4, the plurality of blowout holes 611 of this example are formed in a spiral shape with respect to the outer periphery of the slide cylinder portion 6. At a plurality of locations in the circumferential direction C on the inner peripheral side of the base portion 5, protrusions 51 that are engaged with corresponding to several locations (for example, 4 locations in the circumferential direction C) of the plurality of blowing holes 611 are provided. .
The blow grill 4 has a structure in which the plurality of blow holes 611 guide the plurality of protrusions 51 and gradually pulls out while rotating the slide cylinder portion 6, so that the amount of conditioned air A blown from the plurality of blow holes 611 is increased. Can be adjusted. In addition, the occupant rotates the slide cylinder portion 6 with a finger placed in and pressed against the concave portion 621 of the flange portion 62 of the slide cylinder portion 6, so that the plurality of blowing holes 611 guide the plurality of protrusion portions 51. Then, the slide cylinder portion 6 is pulled out to the vehicle interior R side. In this example, the function of blowing out the conditioned air A by the blow-out hole 611 and the function of the guide when pulling out while rotating the slide cylinder portion 6 are combined, and these functions are also shared by an extremely simple mechanical structure. Can be made.

  As shown in FIG. 1 and FIG. 2, each fin 7 can be pivoted about pivot shafts 71 provided at both ends thereof, and one protrusion 72 provided on the back side surface of each fin 7 has one The link 73 is rotatably connected. Then, when the occupant operates and rotates any of the plurality of fins 7, the whole of the plurality of fins 7 is opened / closed (rotated) in conjunction with the link 73.

As described above, the blowout grill 4 of the in-vehicle duct 3 of the present example enables the slide cylinder portion 6 provided with a plurality of fins 7 to be drawn out of the base portion 5 attached to the resin ceiling material 2. In the slide cylinder portion 6, blowout holes 611 are formed at a plurality of locations in the circumferential direction C.
As shown in FIGS. 2 and 5, the blow-out grill 4 opens the opening 60 of the slide cylinder part 6 with the plurality of fins 7 in the open state 702 at the original position 601 before the slide cylinder part 6 is pulled out. By doing so, it can set so that the conditioned air A may blow out from the opening part 60 of the slide cylinder part 6. FIG. Thereby, at the time of cool-down which lowers the temperature of the vehicle interior R, the conditioned air A can be blown out toward the occupant, and the vehicle interior R can be rapidly cooled.

  On the other hand, as shown in FIGS. 3 and 4, the blowing grill 4 places the plurality of fins 7 in the closed state 701 at the drawing position 602 after the slide cylinder portion 6 is pulled out. At this time, the conditioned air A is blown out from the plurality of blowing holes 611 in the slide cylinder portion 6 to substantially the entire circumference in the circumferential direction C of the slide cylinder portion 6. Thereby, it is possible to prevent the conditioned air A from directly hitting the passengers in the vehicle interior R during the cool-down period or when the cooling is stable. Thereby, it is possible to prevent the passenger from feeling uncomfortable particularly when the cooling is stable, and to reduce the occurrence of a local temperature difference in the vehicle interior R.

Moreover, the slide cylinder part 6 is a structure which pulls out to the vehicle interior R side with respect to the base part 5, and can be arrange | positioned in the arbitrary site | parts of the vehicle-mounted duct 3, and the flow-path cross-sectional area of the vehicle-mounted duct 3 has restrictions. It can be prevented from occurring. Further, by blowing the conditioned air A from the blow holes 611 provided at a plurality of locations in the circumferential direction C of the slide cylinder portion 6, the conditioned air A can be blown in a plurality of directions on the surface of the resin ceiling material 2 while avoiding the passenger. it can.
Further, the opening / closing operation of the plurality of fins 7 and the pulling-out operation of the slide cylinder portion 6 can be manually operated by the occupant, and the blowing state of the conditioned air A from the blowing grill 4 can be changed by an extremely simple mechanical structure. Can do.

  Therefore, according to the blow-out grill 4 of the vehicle-mounted duct 3 of this example, it can flexibly cope with the cool-down time and the cooling stable time, and can be disposed at any part of the vehicle-mounted duct 3. When cooling is stable, the conditioned air A can be blown out in a plurality of directions on the surface of the resin ceiling material 2 while avoiding passengers.

1 Ceiling 2 Resin ceiling material (interior material)
DESCRIPTION OF SYMBOLS 21 Opening hole 3 Duct 31 Car interior opening part 4 Outlet grille 5 Base part 51 Protrusion part 6 Slide cylinder part 60 Opening part 611 Outlet hole 7 Fin R Car interior A Air-conditioned air

Claims (3)

A blowout grill provided at a vehicle interior opening of a vehicle-mounted duct for blowing conditioned air,
A base part attached to the interior material, a cylindrical cylinder having a cylindrical shape and engaged with the base part so as to be able to be pulled out to the vehicle interior side, and a plurality of openings provided at the opening of the slide cylinder part so as to be opened and closed With fins,
At a plurality of locations in the circumferential direction of the slide cylinder part, blowout holes are formed,
In situ before extending the slide cylindrical portion, blown conditioned air from the opening by Rukoto open the plurality of fins, in the pull-out position after the drawer the slide cylindrical portion, a plurality of fins It closed being configured to blow out conditioned air from said outlet holes by Rukoto,
The slide cylinder part is helically engaged with the base part, and the amount of conditioned air blown out from the plurality of blow holes can be adjusted by a structure in which the slide cylinder part is gradually pulled out while rotating. An on-board duct blowout grill characterized by the above. A blowout grill provided at a vehicle interior opening of a vehicle-mounted duct for blowing conditioned air,
A base part attached to the interior material, a cylindrical cylinder having a cylindrical shape and engaged with the base part so as to be able to be pulled out to the vehicle interior side, and a plurality of openings provided at the opening of the slide cylinder part so as to be opened and closed With fins,
Blow holes are formed at a plurality of locations in the circumferential direction of the slide cylinder portion, and the plurality of blow holes are formed in a spiral shape with respect to the outer periphery of the slide cylinder portion,
The base portion is provided with a protrusion that engages with the blowing hole,
In the original position before pulling out the slide cylinder portion, the plurality of fins are opened to blow out the conditioned air from the opening, and in the pull-out position after the slide cylinder portion is pulled out, the plurality of fins are closed. Is configured to blow out conditioned air from the blowout hole,
The in-vehicle duct characterized in that the blowing amount of the conditioned air blown out from the plurality of blowing holes can be adjusted by a structure in which the blowing hole guides the protrusion and gradually pulls out while rotating the slide cylinder portion. Blowing grill. The blowout grill of the vehicle-mounted duct according to claim 1 or 2, wherein the vehicle-mounted duct is for blowing conditioned air from the left and right of the ceiling portion of the rear seat in the vehicle to the vehicle interior,
When the plurality of fins are closed at the drawing position after the slide cylinder portion is pulled out, the conditioned air is prevented from directly hitting the occupant seated in the rear seat by blowing out the conditioned air from the blowing hole. A blow-out grill for in-vehicle ducts.

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