CN114652074A - Hair drier - Google Patents
Hair drier Download PDFInfo
- Publication number
- CN114652074A CN114652074A CN202210469819.7A CN202210469819A CN114652074A CN 114652074 A CN114652074 A CN 114652074A CN 202210469819 A CN202210469819 A CN 202210469819A CN 114652074 A CN114652074 A CN 114652074A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- air
- barrel
- air outlet
- air inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 27
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 27
- 241001330002 Bambuseae Species 0.000 claims description 27
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 27
- 239000011425 bamboo Substances 0.000 claims description 27
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 210000004761 scalp Anatomy 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002631 hypothermal effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D20/00—Hair drying devices; Accessories therefor
- A45D20/04—Hot-air producers
- A45D20/08—Hot-air producers heated electrically
- A45D20/10—Hand-held drying devices, e.g. air douches
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D20/00—Hair drying devices; Accessories therefor
- A45D20/04—Hot-air producers
- A45D20/08—Hot-air producers heated electrically
- A45D20/10—Hand-held drying devices, e.g. air douches
- A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands
- A45D20/122—Diffusers, e.g. for variable air flow
Landscapes
- Cleaning And Drying Hair (AREA)
Abstract
The invention provides a hair drier which comprises a hair drier body and a flow guide part, wherein the hair drier body comprises an air outlet channel, the flow guide part is arranged at an air outlet of the air outlet channel, the flow guide part comprises a caliber reducing cylinder and a caliber gradually-expanding cylinder, the caliber reducing cylinder is gradually reduced from air inlet to air outlet, the caliber gradually-expanding cylinder is gradually expanded from air inlet to air outlet, and the caliber reducing cylinder and the caliber gradually-expanding cylinder are sequentially arranged and communicated from air inlet to air outlet.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a hair drier.
Background
The power of the existing air blower is multi-gear, and because the wind energy and the heat energy are increased or reduced simultaneously when the gears are adjusted, when the hair needs to be blown fast, the wind energy and the heat energy can only be increased simultaneously, so that the problem that the hair is burnt by blowing at too high temperature is caused, and the hair and the scalp are damaged.
Disclosure of Invention
The invention aims to provide a hair drier which has the advantages that under the condition of not changing a motor of the hair drier, the air speed is increased, the temperature is reduced, and hair is prevented from being burnt.
The invention relates to a hair drier which comprises a hair drier body and a flow guide part, wherein the hair drier body comprises an air outlet channel, the flow guide part is arranged at the air outlet of the air outlet channel, the flow guide part comprises a caliber reducing cylinder and a caliber gradually-expanding cylinder, the caliber reducing cylinder is gradually reduced from the air inlet direction to the air outlet direction, the caliber gradually-expanding cylinder is gradually expanded from the air inlet direction to the air outlet direction, and the caliber reducing cylinder and the caliber gradually-expanding cylinder are sequentially arranged and communicated from the air inlet direction to the air outlet direction.
A hair dryer of the present invention may further be:
the section shapes of the caliber reducing cylinder and the caliber gradually expanding cylinder are all parabolic trends.
The caliber reducing cylinder and the caliber gradually-expanding cylinder are coaxially arranged.
The flow guide part also comprises a straight cylinder, the caliber gradually-expanding cylinder is fixedly connected with the outer end part in the straight cylinder, and the inner end part of the straight cylinder is fixedly connected with the outer wall of the air inlet end of the caliber gradually-reducing cylinder.
The outer wall of the air inlet end of the caliber reducing cylinder is provided with external threads, and the inner end part of the straight cylinder is provided with internal threads connected with the external threads.
The air outlet end of the caliber reducing cylinder is in butt joint with the air inlet end of the caliber reducing cylinder.
The straight cylinder, the caliber reducing cylinder and the caliber gradually-expanding cylinder jointly enclose an annular cavity, and heat dissipation holes enabling the annular cavity to be communicated with the outside are formed in the wall surface of the straight cylinder.
An annular rubber connecting part is arranged at the air inlet end of the caliber reducing cylinder and sleeved outside the air outlet channel; or the air inlet end of the caliber reducing cylinder is provided with an internal thread, and the air outlet of the air outlet channel is provided with an external thread connected with the internal thread of the caliber reducing cylinder.
Compared with the prior art, the hair drier has the advantages that: owing to including hair-dryer body and water conservancy diversion portion, the hair-dryer body includes the air-out passageway, and water conservancy diversion portion installs in the air outlet department of air-out passageway, and water conservancy diversion portion includes a bore convergent section of thick bamboo and a bore gradual expansion section of thick bamboo, and a bore convergent section of thick bamboo is by air inlet to air-out direction convergent, and a bore gradual expansion section of thick bamboo is by air inlet to air-out direction gradual expansion, and a bore convergent section of thick bamboo and a bore gradual expansion section of thick bamboo set gradually and communicate by air inlet to air-out direction. When the air current passes through the bore convergent section of thick bamboo, thereby promoted the air current velocity of flow because of the convergence effect of bore convergent section of thick bamboo, also accelerated the heat transfer and given the section of thick bamboo wall of bore convergent section of thick bamboo, lead to the temperature decline of air current. The speed of the air flow passing through the air outlet of the caliber gradually-expanding cylinder is greater than the speed of the air flow of the air outlet channel entering the caliber gradually-contracting cylinder. Because of the law of conservation of energy, the kinetic energy and the internal energy when the airflow enters the flow guide part are equal to the kinetic energy and the internal energy when the airflow exits the flow guide part and the internal energy lost in the process. Because the convergence action kinetic energy velocity of flow of bore convergent cylinder increases, so the internal energy in the exit of water conservancy diversion portion must descend for import department to reduced the air-out temperature, realized under the condition that does not change hair-dryer motor, improved wind speed reduce temperature, prevent to blow the hair burnt, thereby avoided causing the damage to hair and scalp, promoted user's use and experienced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Figure 1 is a schematic cross-sectional view of a hair dryer of the present invention.
Figure 2 is a schematic drawing in section with parts broken away of a flow guide of a hair dryer of the present invention.
Figure 3 is a schematic cross-sectional view of the flow guide of a blower of the present invention.
Description of the figures
1. A blower body; 11. a wind channel; 2. a flow guide part; 21. a bore reducing cylinder; 211. an external thread; 212. an annular rubber connecting portion; 22. a caliber gradually expanding cylinder; 23. a straight cylinder; 231. an internal thread; 232. heat dissipation holes; 24. an annular cavity.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A hair dryer of the present invention will be described in further detail with reference to figures 1 to 3 of the accompanying drawings.
Referring to the relevant figures of fig. 1 to 3, a hair dryer of the present invention includes a hair dryer body 1 and a flow guiding portion 2.
Bore convergent section of thick bamboo 21 is by the air inlet to air-out direction convergent, and bore divergent section of thick bamboo 22 is by air inlet to air-out direction divergent, and bore convergent section of thick bamboo 21 and bore divergent section of thick bamboo 22 set gradually and communicate by air inlet to air-out direction, and the air outlet of bore convergent section of thick bamboo 21 and the air intake butt joint intercommunication of bore divergent section of thick bamboo 22.
When the air current passes through the bore reducing cylinder 21, the flow velocity of the air current is improved due to the convergence effect of the bore reducing cylinder 21, and the heat transfer to the cylinder wall of the bore reducing cylinder 21 is accelerated, so that the temperature of the air current is reduced. The speed of the air flow passing through the air outlet of the caliber gradually-expanding cylinder 22 is greater than the speed of the air flow of the air outlet channel 11 entering the caliber gradually-contracting cylinder 21. Because the law of conservation of energy, kinetic energy when the air current gets into water conservancy diversion portion 2 adds the internal energy that the kinetic energy when adding internal energy and being equal to water conservancy diversion portion 2 adds the internal energy of in-process loss, because the convergence action kinetic energy velocity of bore convergent section of thick bamboo 21 increases, so the internal energy in the exit of water conservancy diversion portion 2 must descend for import department, thereby the air-out temperature has been reduced, realized under the condition that does not change hair-dryer motor, improve wind speed hypothermia, prevent to blow the hair burnt, thereby avoided causing the damage to hair and scalp, user's use experience has been promoted.
EK1+U1=EK2+U2+U';
△EK=U1-(U2+U');
U2=U1-(△EK+U');
U1Greater than U2。
Wherein E isK1For kinetic energy when entering the device, EK2Kinetic energy of the device during discharge, U1For internal energy in the course of entering the device, U2Internal energy during loading and unloading, U' is energy lost during the process, Delta EKIs EK2-EK1I.e. the amount of increase in kinetic energy.
As shown in fig. 3, L1 is the length of the lumen of the first flow guide 2, L1 is the length of the lumen of the second flow guide 3, L1: l2 is not necessarily 1, C1: y is2=2p1x,C2:y2=2p2x。
Preferably, the cross-sectional shapes of the bore reducing cylinder 21 and the bore gradually expanding cylinder 22 are both parabolic trends, and the inner walls of the bore reducing cylinder 21 and the bore gradually expanding cylinder 22 are curved surfaces, so that the air flow performance is improved.
Preferably, the bore reducing cylinder 21 and the bore expanding cylinder 22 are coaxially arranged.
Referring to the relevant figures of fig. 1 to 3, the hair dryer of the present invention may further include: the flow guiding part 2 also comprises a straight cylinder 23, the caliber gradually-expanding cylinder 22 is fixedly connected into the outer end part of the straight cylinder 23, and the inner end part of the straight cylinder 23 is fixedly connected with the outer wall of the air inlet end of the caliber gradually-expanding cylinder 21. For example, the outer wall of the air inlet end of the bore-reduced cylinder 21 is provided with an external thread 211, and the inner end of the straight cylinder 23 is provided with an internal thread 231 connected to the external thread 211.
The straight cylinder 23, the caliber reducing cylinder 21 and the caliber gradually-expanding cylinder 22 jointly enclose an annular cavity 24, and the wall surface of the straight cylinder 23 is provided with heat dissipation holes 232 which enable the annular cavity 24 to be communicated with the outside, so that the diversion part 2 is prevented from being deformed by heat. For example, the louvers 232 are spaced apart in an annular array.
Of course, heat dissipation may not be required as long as the heat resistance of the material of the guide portion 2 is sufficiently good.
Referring to the relevant figures of fig. 1 to 3, the hair dryer of the present invention may further include: the air inlet end of the caliber reducing cylinder 21 is provided with an annular rubber connecting part 212, the annular rubber connecting part 212 is sleeved outside the air outlet channel 11, and the annular rubber connecting part 212 is a flexible interface, so that the effect that the air outlet channels 11 of different calibers of hair dryers of different brands can be installed is achieved.
Of course, the connection mode between the caliber reducing cylinder 21 and the air outlet channel 11 is not limited to the above embodiment, for example, the air inlet end of the caliber reducing cylinder 21 is provided with an internal thread, the air outlet of the air outlet channel 11 is provided with an external thread connected with the internal thread of the caliber reducing cylinder 21, the caliber reducing cylinder 21 is connected with the air outlet channel 11 through a thread, and a person skilled in the art can select the connection mode between the caliber reducing cylinder 21 and the air outlet channel 11 according to actual needs.
The above description is only for the purpose of illustrating a few embodiments of the present invention, and should not be taken as limiting the scope of the present invention, in which equivalent changes, modifications, or scaling up or down, etc. made in accordance with the spirit of the present invention should be considered as falling within the scope of the present invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A hair dryer, comprising:
the blower body (1) comprises an air outlet channel (11) and
flow guide part (2), flow guide part (2) install in the air outlet department of air-out passageway (11), flow guide part (2) are including an aperture convergent section of thick bamboo (21) and an aperture convergent section of thick bamboo (22), aperture convergent section of thick bamboo (21) is by air inlet to air-out direction convergent, aperture convergent section of thick bamboo (22) is by air inlet to air-out direction convergent, aperture convergent section of thick bamboo (21) with aperture convergent section of thick bamboo (22) sets gradually and communicates by air inlet to air-out direction.
2. The hair dryer of claim 1, wherein the cross-sectional shapes of said tapered barrel (21) and said tapered barrel (22) are each parabolic in shape.
3. The hair dryer of claim 2, wherein the tapered bore barrel (21) and the tapered bore barrel (22) are coaxially arranged.
4. The hair dryer according to any one of claims 1 to 3, wherein the flow guiding part (2) further comprises a straight cylinder (23), the caliber-gradually-expanding cylinder (22) is fixedly connected into the outer end part of the straight cylinder (23), and the inner end part of the straight cylinder (23) is fixedly connected with the outer wall of the air inlet end of the caliber-gradually-expanding cylinder (21).
5. The hair dryer of claim 4, wherein an outer wall of the air inlet end of the tapered barrel (21) is provided with an external thread (211), and an inner end of the straight barrel (23) is provided with an internal thread (231) connected with the external thread (211).
6. The hair dryer of claim 5, wherein the air outlet of the tapered barrel (21) is in butt joint with the air inlet of the tapered barrel (22).
7. The hair dryer according to claim 6, wherein the straight barrel (23), the bore reducing barrel (21) and the bore increasing barrel (22) jointly enclose an annular cavity (24), and heat dissipation holes (232) enabling the annular cavity (24) to be communicated with the outside are formed in the wall surface of the straight barrel (23).
8. The blower of claim 7, wherein the air inlet end of the bore-reducing cylinder (21) is provided with an annular rubber connecting part (212), and the annular rubber connecting part (212) is sleeved outside the air outlet channel (11); or an internal thread is arranged at the air inlet end of the caliber reducing cylinder (21), and an external thread connected with the internal thread of the caliber reducing cylinder (21) is arranged at the air outlet of the air outlet channel (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210469819.7A CN114652074A (en) | 2022-04-30 | 2022-04-30 | Hair drier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210469819.7A CN114652074A (en) | 2022-04-30 | 2022-04-30 | Hair drier |
Publications (1)
Publication Number | Publication Date |
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CN114652074A true CN114652074A (en) | 2022-06-24 |
Family
ID=82037869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210469819.7A Pending CN114652074A (en) | 2022-04-30 | 2022-04-30 | Hair drier |
Country Status (1)
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CN (1) | CN114652074A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1060395A (en) * | 1990-07-24 | 1992-04-22 | 中国太平洋贸易有限公司 | Air diffuser |
FR2694874A1 (en) * | 1992-08-22 | 1994-02-25 | Krups Robert Gmbh Co Kg | Electrically operated hand held hair drier |
US20030177657A1 (en) * | 2002-03-01 | 2003-09-25 | Andis Company | Combined diffuser and concentrator for a hair dryer |
JP3192058U (en) * | 2014-05-14 | 2014-07-24 | 株式会社三和技研工業 | Head body that can be attached / detached / shrinkable at the tip of the hair dryer |
US20160177499A1 (en) * | 2014-12-18 | 2016-06-23 | Darren Logsdon | Humidification assembly |
CN111317243A (en) * | 2020-03-31 | 2020-06-23 | 深圳奥郎格环保有限公司 | Hair drier |
-
2022
- 2022-04-30 CN CN202210469819.7A patent/CN114652074A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1060395A (en) * | 1990-07-24 | 1992-04-22 | 中国太平洋贸易有限公司 | Air diffuser |
US5287635A (en) * | 1990-07-24 | 1994-02-22 | China Pacific Trade Limited | Air diffusers |
FR2694874A1 (en) * | 1992-08-22 | 1994-02-25 | Krups Robert Gmbh Co Kg | Electrically operated hand held hair drier |
US20030177657A1 (en) * | 2002-03-01 | 2003-09-25 | Andis Company | Combined diffuser and concentrator for a hair dryer |
JP3192058U (en) * | 2014-05-14 | 2014-07-24 | 株式会社三和技研工業 | Head body that can be attached / detached / shrinkable at the tip of the hair dryer |
US20160177499A1 (en) * | 2014-12-18 | 2016-06-23 | Darren Logsdon | Humidification assembly |
CN111317243A (en) * | 2020-03-31 | 2020-06-23 | 深圳奥郎格环保有限公司 | Hair drier |
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