JP4889521B2 - Hair dryer hood - Google Patents

Description

  The present invention relates to a hood for a hair dryer, and more particularly to a hood for a hair dryer that can introduce outside air into hot air sent from the hair dryer.

  As described above, by introducing outside air into the hot air from the hair dryer, the temperature and humidity of the hot air can be relaxed and blown to the hair, and the hair is less likely to be damaged.

  As a hair dryer provided with the above kind of hood (nozzle), the one disclosed in Utility Model Registration No. 301299 is known.

The hair dryer disclosed in this publication is a hair dryer having a converging nozzle that is provided with a cylindrical air outlet at one end of a dryer body, and is detachably attached to the air outlet. Has a circular cross-section inlet tube, a flat tube-shaped outlet tube, and a nozzle tube that narrows the nozzle inner space between the inlet tube and the outlet tube in a wedge shape. Consists of a pair of constricted walls inclined in a tapered shape and a pair of curved walls connected to both constricted walls, and the two constricted walls form a stepped depression inwardly at the boundary between the curved walls. The outside air introduction recess is formed on the outer surface, and the air guide wall projecting from the tips of both throttle walls is positioned inside the inner surface of the exit tube, and the outside air introduction recess and the interior of the exit tube are located between the two. A converging nozzle that divides an intake passage communicating with the space is provided. According to this configuration, outside air can be introduced through the intake passage and the outside air introduction recess while the primary blowing air is throttled flat by the restriction wall, and can be merged with the primary blowing air, thereby introducing a certain amount of outside air. be able to.
Utility Model Registration No. 3014299

  However, in the hood (nozzle) of the above-described conventional hair dryer, the rear edge of the hood and the front edge of the throttle wall overlap each other, so that the external air introduction force is a negative pressure generated by the primary blowing air. Therefore, there is a drawback that the amount of outside air sucked is not sufficient. The same applies to other conventional hair dryer hoods (nozzles).

  Accordingly, an object of the present invention is to provide a hair dryer hood capable of introducing a sufficient amount of outside air.

The said subject can be solved by the hood of the hair dryer by any one of the structure of following (1)-(6) of this invention.
(1) In a hand-held hair dryer hood, a first outer cylinder portion having a circular cross section that is attached to a wind outlet of the dryer, and a plurality of rear end sides on the front end side of the first outer cylinder portion The inner cylinder part having a circular cross section smaller than the first outer cylinder part, and the rear end side of the inner cylinder part being attached to the front end side of the inner cylinder part by a plurality of ribs, the diameter being the inner cylinder part A second outer cylinder portion having a larger circular cross section is provided, and the first outer cylinder portion, the inner cylinder portion, and the second outer cylinder portion are arranged coaxially, and the tip of the first outer cylinder portion and the second The first outer cylinder part is spaced from the rear end of the outer cylinder part by a predetermined distance. The inner diameter of the first outer cylinder part gradually decreases from the rear end side toward the front end side. The inner diameter of the second outer cylinder portion is smaller than the inner diameter of the rear end. Dryer hood.
(2) When the inner diameter of the front end of the first outer cylinder part is A and the inner diameter of the rear end of the second outer cylinder part is B, A / B is 0.95 or less. hood.
(3) (1) or (1) above, wherein the distance h between the rear end of the inner cylinder part and the tip of the outlet when the outlet of the dryer is attached to the first outer cylinder is 5 mm or more (2) Hair dryer hood.
(4) The inner cylinder portion is overlapped with a rear end side thereof spaced apart from a distal end side of the first outer cylinder portion, and a length e of the overlapped portion is 3 mm or more. The hair dryer hood of any one of (3).
(5) The hood of the hair dryer according to any one of (1) to (4), wherein an interval f between a front end of the first outer cylinder portion and a rear end of the second outer cylinder portion is 5 to 15 mm.
(6) The above (1) to (1), wherein the front end side of the inner cylinder portion overlaps with the rear end side of the second outer cylinder portion spaced apart, and the length g of the overlapped portion is 5 mm or more. 5) A hair dryer hood.

  In the hood of the hair dryer of the present invention, as described above, the first outer cylinder part and the second outer cylinder part are arranged at an interval in the axial direction, so that hot air from the hair dryer is in the surrounding outside air. A sufficient amount of outside air can be introduced by direct contact, and satisfactory relaxation adjustment of the temperature and humidity of the hot air is possible.

Hereinafter, a hood for a hair dryer according to an embodiment of the present invention will be described with reference to the accompanying drawings.
A hair dryer hood 10 according to an embodiment of the present invention is used by being attached to a wind outlet D1 of a hand-held dryer D as shown in FIGS.

The hood 10 includes a first outer cylinder portion 12 having a circular cross section that is attached to a wind outlet of a dryer, and a plurality of ribs 14 on the front end 12a side of the first outer cylinder portion 12 and the rear end 16b side. The inner cylinder part 16 having a circular cross section smaller than the first outer cylinder part 12 and the rear end 20 side of the inner cylinder part 16 on the front end 16a side are attached by a plurality of ribs 18, and the diameter is A second outer cylinder part 20 having a circular cross section larger than the inner cylinder part 16 is provided. The said 1st outer cylinder part 12, the inner cylinder part 16, and the 2nd outer cylinder part 20 are arrange | positioned coaxially. The front end 12a of the first outer cylinder portion 12 and the rear end 20b of the second outer cylinder portion 20 are separated by a predetermined interval f, and this interval f is preferably 5 to 15 mm, for example. If the distance f is less than 5 mm, the intake of outside air is not sufficient, and the temperature of the hot air is not lowered in a preferable state, and if it exceeds 15 mm, a part of the wind escapes out of the second outer cylinder part 20. There is a tendency to end up.

  The inner diameter of the first outer cylinder portion 12 is gradually decreased from the rear end 12b side toward the tip end 12a side, that is, is tapered, and the inner diameter of the tip end 12a of the first outer cylinder portion 12 is increased. The inner diameter of the rear end 20b of the second outer cylinder portion 20 is smaller. The inner diameter A of the tip 12a of the first outer cylinder portion 12 is preferably about 40 to 60 mm, and the taper is preferably 1 to 15 degrees, and particularly preferably 8 to 12 degrees. It is preferable that the 2nd outer cylinder part 20 is a cylindrical shape with the constant internal diameter B, and it is preferable that the internal diameter B is about 43-64 mm. Here, the first outer cylinder part 12 is tapered by narrowing the air path between the first outer cylinder part and the inner cylinder part 16 and drawing the wind toward the inner cylinder part 16 side. This is to prevent a part of the wind from escaping out of the second outer cylinder portion 20. The value of A / B is preferably 0.95 or less. If the value of A / B exceeds 0.95, depending on the value of the interval f, a part of the wind tends to escape to the outside of the second outer cylinder part 20. The value of A / B is preferably 0.5 or more. The inner cylinder 16 preferably has an outer diameter of 10 to 40 mm and a length of about 10 to 40 mm. The thickness of the 1st outer cylinder part 12 is substantially constant at 2.5-3.5 mm. In some cases, this thickness may gradually decrease from the rear end toward the front end. The thickness of the inner cylinder portion 16 is approximately constant at about 2.5 mm. And although the thickness of the 2nd outer cylinder part 20 may be substantially constant at 2.5-3.0 mm, it is preferable to make it thin little by little toward a front-end | tip from a rear end.

  The distance h between the rear end 16b of the inner cylinder part 16 and the tip Da of the outlet D1 when the outlet D1 of the dryer D is attached to the first outer cylinder part 12 is 5 mm or more. Is preferred. If this distance h is less than 5 mm, the rear end 16b side of the inner cylinder part 16 may be melted by hot air from the hair dryer. There is no particular upper limit for this distance h, but it is about 50 mm. A particularly preferable value of this distance h is about 8 to 15 mm.

The inner cylinder part 16 is overlapped with the rear end 16b side thereof spaced apart from the front end 12a side of the first outer cylinder part 12, and a first outer flow path f1 is formed between them. The length e of the overlapped portion is preferably 3 mm or more. When the length e is less than 3 mm, the effect of tapering the first outer cylinder portion 12 and narrowing the air passage between the inner cylinder portion 16 is insufficient. The length e is preferably about 20 mm as an upper limit in view of molding with a mold.
The front end side of the inner cylinder part overlaps with the rear end side of the second outer cylinder part spaced apart, and a second outer flow path f2 is formed between them, and the length of the overlapping part The length g is preferably 5 mm or more. When the length g is less than 5 mm, the wind does not sufficiently enter the second outer flow path f2, and a part of the wind tends to escape to the outside of the second outer cylinder portion 20. The upper limit of the length g is about 40 mm in consideration of molding with a mold. This length g is particularly preferably about 8 to 12 mm. The inside of the inner cylinder part 16 is an inner flow path f. The reason why the inner flow path is provided in this way is to converge hot air blown from the dryer and partially send strong air to the hair, or to strengthen the structure of the hood.

  The food | hood 10 by embodiment of this invention can take in external air fully by the above structure, can lower the temperature of a hot air efficiently, and can adjust humidity.

It is the side view shown in the state where the food | hood of the hair dryer by embodiment of this invention was attached to the front-end | tip of the blower outlet of a hair dryer. It is sectional drawing of the blower outlet of the food | hood and hair dryer of FIG. It is a perspective view of the hood shown in FIG. It is a front view of the hood shown in FIG. It is a side view of the hood shown in FIG. It is a rear view of the hood shown in FIG. FIG. 2 is an enlarged cross-sectional view of the hood shown in FIG. 1, with the ribs omitted.

Explanation of symbols

D Hair dryer D1 Hair dryer outlet Da Outlet tip 10 Hood 12 First outer cylinder part 14 Rib 16 Inner cylinder part 18 Rib 20 Second outer cylinder part f1 First outer channel f2 Second outer channel f3 Inside Flow path

Claims (6)

In a hood of a hand-held hair dryer, a first outer cylinder portion having a circular cross section adapted to be attached to a wind outlet of the dryer, and a rear end side of the first outer cylinder portion is formed by a plurality of ribs. mounted, the inner cylindrical portion of diameter the first outer cylinder section smaller circular cross, and the rear end is attached by a plurality of ribs on the distal end side of the inner cylindrical portion, the inner cylindrical portion is larger than the transverse diameter a second outer tubular portion of the surface a circular, the first outer tube part, the inner cylindrical portion and the second outer cylindrical portion are arranged coaxially, and the tip of the first outer tube section and the second outer tube section The first outer cylinder part is gradually reduced in inner diameter from the rear end side toward the front end side, and the inner diameter of the front end of the first outer cylinder part is reduced. The hair dryer is smaller than the inner diameter of the rear end of the second outer cylinder portion. Yer hood. The hair dryer hood according to claim 1, wherein A / B is 0.95 or less, where A is the inner diameter of the tip of the first outer cylinder part and B is the inner diameter of the rear end of the second outer cylinder part. The hair dryer according to claim 1 or 2, wherein a distance h between a rear end of the inner cylinder part and a tip of the outlet when the outlet of the dryer is attached to the first outer cylinder part is 5 mm or more. Hood. The inner cylinder part overlaps in a state where the rear end side is spaced from the front end side of the first outer cylinder part, and the length e of the overlapped part is 3 mm or more. Hair dryer hood. The hood for a hair dryer according to any one of claims 1 to 4, wherein a distance f between a front end of the first outer cylinder part and a rear end of the second outer cylinder part is 5 to 15 mm. The front end side of the inner cylinder part overlaps with the rear end side of the second outer cylinder part spaced apart, and the length g of the overlapped part is 5 mm or more. Hair dryer hood.

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