CN107224083A - Annex for hand-held instruments - Google Patents
Annex for hand-held instruments Download PDFInfo
- Publication number
- CN107224083A CN107224083A CN201710177050.0A CN201710177050A CN107224083A CN 107224083 A CN107224083 A CN 107224083A CN 201710177050 A CN201710177050 A CN 201710177050A CN 107224083 A CN107224083 A CN 107224083A
- Authority
- CN
- China
- Prior art keywords
- annex
- pipeline
- fin
- gas outlet
- air
- 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
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
- A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands
- A45D20/122—Diffusers, e.g. for variable air flow
-
- 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
Landscapes
- Cleaning And Drying Hair (AREA)
Abstract
A kind of annex, including pipeline, at least one fin and gas outlet, the pipeline is used to receive air stream from hair styling appliance, at least one fin, which is located in pipeline, to be used to guide air stream towards gas outlet, and the gas outlet is the direction orientation of elongated shape and the air stream being in substantially parallel relationship at air inlet.
Description
Technical field
The present invention relates to a kind of annex for hand-held instruments, particularly hair care appliance, such as hot-air moulding
Equipment or hair dryer.
Background technology
In traditional hot-air mo(u)lding equipment, air is aspirated into entrance by fan unit, and passes through annex or head
Portion is directed toward hair.According to desired moulding, air stream can be with or without heating.Removable annex is attached to hot-air
The air stream gas outlet end of mo(u)lding equipment or hair dryer, and for changing self-heating before air stream incides the hair of user
The speed and form of the air stream of air mo(u)lding equipment transmitting.
Concentrator is known annex, and it is assembled and the flat air stream being launched.Another known annex is diffuser, its
Reduction is launched the speed of air stream.Having heated air stream can cause the outer surface of annex to be uncomfortable for touching through annex
Heat.Expect to mitigate the overheat on the outer surface while drying and the modeling function of without prejudice to annex.
The content of the invention
According in a first aspect, the invention provides a kind of annex for hair styling appliance, the annex include air inlet,
Gas outlet, pipeline, the air inlet are used to receive air stream from hair styling appliance, and the pipeline is used to convey air from air inlet
To gas outlet, wherein air inlet is located at least end of pipeline, and length extension of the gas outlet along pipeline, and pipeline is transversal
Length dimension of the face area from air inlet along gas outlet reduces.Advantage is the cross-sectional area of pipeline towards the end of annex
So it is gradually reduced, because this produces the more consistent pressure through pipeline.
Advantageously, the annex plays thick drywall tool, the air stream that the width and length across gas outlet are launched
Temperature is consistent with speed.
Cold wall surrounds pipeline preferably between air inlet and gas outlet.Advantageously, the cold wall is in use by the table of annex
Face touch temperature is minimized.
Interval is preferably retained between pipeline and cold wall.Preferably, the open top of the gas outlet of pipeline and cold wall it
Between interval be substantially constant.The interval preferably has the size in the range of 1.5 to 5.5mm.
Preferably, the annex includes at least one flank, and at least one flank extends between pipeline and cold wall.So
Flank be provided on the outer surface of pipeline and for keeping substantially constant interval between pipeline and cold wall.
Preferably, air inlet is circular and gas outlet is substantially elongated rectangular shape.Preferably, the gas outlet of pipeline is dashed forward
The end of cold wall is crossed in excess of export.The annex preferably includes waveform (contoured) duct wall, and it prolongs between air inlet and gas outlet
Stretch.
According to second aspect, the invention provides a kind of annex for hair styling appliance, the annex includes pipeline, extremely
A few fin and gas outlet, the pipeline are used to receive air stream from hair styling appliance, and at least one fin is located at pipeline
It is interior to be used to guide air stream towards gas outlet, and the gas outlet is elongated shape and is in substantially parallel relationship to the air stream at air inlet
Direction orientation.
It was found that advantage is using one or more fins in pipeline, to guide inlet air flow, smoothly direction goes out
Gas port.At least one fin is preferably attached to pipeline.Preferably, at least one fin is connected to the wall of pipeline.Row
The air stream for going out annex is straight, uniform flowing, and it has the outlet air flow speed less than inlet air flow speed.
Preferably, at least one fin has air foil shape (aerofoil) cross section.
In a preferred embodiment, at least one fin is overall fin.
In an additional preferred embodiment, at least one fin is separation fin, and it has main section and secondary sections
Section.Preferably, main section is positioned as generally perpendicular to gas outlet.The secondary section is preferably positioned at main section and entered
Between gas port.It was found that advantage is using the separation fin in pipeline to ensure to be enhanced to the attachment of the incident air stream of fin
And minimize turbulent flow.
In another preferred embodiment, the annex includes two or more fins.Preferably, the first fin is closest to air inlet
Mouthful, and first fin is entire airfoil.Moreover, the annex preferably includes at least one separation fin and at least one complete wing
Piece.
In another embodiment, the annex preferably includes five fins, and it is installed in pipeline.
Preferably, each fin extends across pipeline, and preferably first pipe from the first duct wall to second pipe wall
Road wall and second pipe wall are in the opposite side of elongated gas outlet.Advantageously, the fin is used to guide entrance air circulation mistake
About 90 degree are arrived gas outlet.The fin may be additionally referred to as " baffle plate ".
Advantageously, the annex minimize annex in turbulent flow, and thus with annex hot-air mo(u)lding equipment it is audible
To volume be minimized in use.
The above-mentioned feature description related to the first aspect of the present invention is equally applicable to the second aspect of the present invention, otherwise also
So.
Brief description of the drawings
, with reference to accompanying drawing, the preferred feature of the present invention will be described only by example now, wherein：
Fig. 1 is the perspective view of annex；
Fig. 2 is the exploded view of annex；
Fig. 3 is the side view of annex；
Fig. 4 is the end view of annex；
Fig. 5 is the top view of annex；
Fig. 6 is the viewgraph of cross-section along the line A-A interceptions in Fig. 5；
Fig. 7 is the viewgraph of cross-section along the line B-B interceptions in Fig. 5；
Fig. 8 is the viewgraph of cross-section along the line C-C interceptions in Fig. 5；
Fig. 9 is the side view of the hot-air mo(u)lding equipment of example, and annex can be connected to the hot-air mo(u)lding equipment.
Embodiment
Fig. 1,3,4 and 5 are the external views of annex 10.The annex 10 includes air inlet 12, and the air inlet 12 is used for from heat
The gas outlet end of air mo(u)lding equipment or similar appliances receives air stream.The air inlet is substantial circular shape, to allow to
Gas-tight seal connection is formed with the generally annular gas outlet end of hot-air mo(u)lding equipment.
The air inlet 12 is in fluid communication with pipeline 16.The pipeline 16 has gas outlet 18, and it is thin in this embodiment
Long shape.The outer surface of annex 10 is the form of the cold wall 14 extended around pipe section.Gas outlet 18 extends beyond cold
The open top 20 of wall 14.
Fig. 2 shows three parts and their internal structure of annex.
Part I 21 limit pipeline 16 the first half portion, and with integrally moulded multiple fins 22,23,24,25,
26.Part II 28 limits the second half portion of pipeline 16, and with integrally moulded air inlet 12.The Part I 21 and second
Part 28 is combined together to form pipeline 16.In period of assembly, these parts can be to snap fit attachment or by viscous
Close or welding is incorporated into together.Part III 29 is cold wall 14, and it is then slipped in period of assembly on pipeline 16.Several knots
Structure flank 30 is positioned on the outer surface of pipeline 16.These flanks 30 are used for inner surface and the appearance of pipeline 16 in cold wall 14
Substantially constant interval is kept between face.The flank 30 is welded to the inner surface of cold wall 14, for example, pass through ultrasonic bonding.This
The welding structure of sample is additionally operable to increase the rigidity of cold wall 14.Also shown in figure 2 is mounting clip 32, and the mounting clip is in part
Period of assembly helps positioning of the cold wall 14 on pipeline 16.
Being illustrated the preferred embodiment of annex 10 in fig. 2 has a series of four separation fins 22,23,24,25 and
One entire airfoil 26, is positioned in pipeline 16.Main section 22a, 23a, 24a, 25a of each separation fin are positioned as neighbour
Nearly gas outlet 18, and each secondary section 22b, 23b, 24b, 25b of separation fin are positioned as the circle of adjacent conduit 16
Wall.The entire airfoil 26 is positioned as closest to air inlet 12.
In figure 3, the regular spaced jut 34 on annular air scoop 12, which makes it possible to realize, arrives hot-air moulding
The gas outlet end of equipment is clasped.Substitute connection configuration to be apparent to a skilled reader, such as screw thread coordinates
Or sucking fit configuration.
As shown in Figure 4, the end face 36 of cold wall 14 has thin in the contour edge in total profile of end face 36, such as figure
Indicated by line.
With particular reference to Fig. 5, the gas outlet 18 of pipeline 16 is the form of groove, its have at upstream end thereof square form and
There is circular form at downstream end.The elongated open top 20 of the cold wall has than the more large area of gas outlet 18, and constant
Vertical scale of the spacing 27 of distance along annex is maintained between gas outlet 18 and open top 20.In a preferred embodiment,
The size of gas outlet 18 is the width of the spacing 27 between 80 mm lengths and 4 mm in width, and gas outlet 18 and open top 20
Degree can be 1.5 millimeters -5.5 millimeters.Also as shown in Figure 5, when annex 10 is assembled, fin 22 in pipeline 16,23,24,
25th, 26 be visible.The fin 22,23,24,25,26 is positioned as separating out about 5 millimeters of the edge of gas port 18 to avoid air
The division of stream.
Fig. 6 is viewgraph of cross-section, and which show the height being gradually reduced towards the end of annex 10 of pipeline 16.Therefore,
With reference to Fig. 2, the end of cross-sectional area towards the annex 10 of pipeline 16 is progressively decreased or tapered.The cross section face of cold wall 14
Length of the long-pending size along it towards the end of annex 10 be constant, and thus spacing 27 between pipeline 16 and cold wall 14
Cross-sectional area little by little increases towards the end of annex 10.At the upstream end thereof of pipeline 16, profile (contoured) wall 38
Extend between air inlet 12 and gas outlet 18.
Show that preferred embodiment shows that annex 10 includes five fins 22,23,24,25,26 in Fig. 2.Entire airfoil 26
Closest to the gas inlet end structure of pipeline 16, and with air foil shape.The orientation of entire airfoil 26 closely snaps to natural air
Flow direction, and downstream end is orthogonal to gas outlet 18 and terminates.
Other four fin 22,23,24,25 is separation fin, each includes main section 22a, 23a, 24a, 25a and secondary
Section 22b, 23b, 24b, 25b.Each fin 22,23,24,25 has slightly different sizes and ratio.It is shown in fig. 2
In preferred embodiment, main section 22a, 23a, 24a, 25a and secondary section 22b of each separation fin 22,23,24,25,
1.5 millimeters are spaced about between 23b, 24b, 25b.Each secondary section 22b, 23b, 24b, 25b longitudinal axis enter relatively
Mouth airflow direction is into about 10 ° -15 °, and each secondary section 22b, 23b, 24b, 25b circular aerofoil profile end have about 3 millis
The diameter of rice.Main section 22a, 23a, 24a, 25a of each separation fin 22,23,24,25 downstream end are narrow tails
Portion (it is orthogonal to gas outlet 18 and terminated close at gas outlet 18).The main region of each separation fin 22,23,24,25
Section 22a, 23a, 24a, 25a downstream end are by the aturegularaintervals positioning with about 14 millimeters -15 millimeters.
In use, annex 10 is attached to the gas outlet end of hot-air hair styling apparatus.Air stream passes through annex
10 air inlet 12 enters pipeline 16.The air stream is directed towards gas outlet 18 by fin 22,23,24,25,26, there should
Air stream is launched from annex 10.
At the upstream end thereof of pipeline 16, contoured wall 38 is used to air stream being directed towards gas outlet 18, and it has minimum
Turbulent flow and the flowing compared with low velocity.The air flow velocity of air stream at neighbouring air inlet 12 is enough to ensure that entire airfoil 26
Air stream attachment required level.Separation fin 22,23,24,25 is used to carry when incident air flow velocity is reduced
Attachment of the height to the air stream of fin.The air stream of drain fitting 10 is straight, uniform flowing, and it, which has, is less than intake air
The outlet air flow speed of flow velocity degree.In addition, outlet air flow has relatively slow velocity attenuation and with as one man relatively incident
Pipeline 16 is left at a right angle in the direction that air stream enters annex 10.In the exemplary embodiment, the air stream of discharge line 16
Speed be about the meter per second of 30 meter per second -35.
The cross-sectional area of pipeline 16 is little by little tapered towards the end of annex 10.The effect of the reduction of cross-sectional area
The constant pressure of whole length of the air stream of drain fitting along gas outlet 18 is to ensure that, and prevents turbulent flow.Especially, cross section
The reduction of area is proportional to the mass flow decline of the air stream in pipeline 16.When air stream is via the discharge line of gas outlet 18
When 16, downstream end of the quality stream from the upstream end thereof of annex 10 to annex 10 declines.Therefore, the cross-sectional area of pipeline 16
Reduction cause the constant outlet air flow speed along the length of gas outlet 18.It was additionally observed that being used as the cross section face of pipeline 16
The reduced result of product, the attachment to the air stream of fin 22,23,24,25,26 is enhanced.
Inlet air flow can be heated before annex 10 is entered and thus pipeline 16 can heating during use.Cold wall 14
For the temperature for the extreme outer surfaces for minimizing annex 10, because the interval 27 full of air isolates cold wall 14 from pipeline 16.
The alternate embodiment of annex may include the different configurations of fin.For example, more than five fins or less than five fins
It can be used, entire airfoil or separation fin may be present in any combinations.In preferred alternate embodiment, in the air of pipeline
First fin of inflow entrance end is separation fin, and four additional downstream fin is entire airfoil.In another preferred replacement
In embodiment, all fins are all complete (unbroken).
Advantageously, turbulent flow is minimized in annex, and thus with annex hot-air mo(u)lding equipment it is audible
Volume is minimized in use.
Fig. 7 is the viewgraph of cross-section along Fig. 5 line B-B (it is about in end of annex 10) interceptions.The horizontal stroke of pipeline 16
Area of section is at minimum in the figure 7.Fig. 8 is along line C-C (it is about at upstream end thereof of the annex 10) interceptions in Fig. 5
Viewgraph of cross-section.The cross-sectional area of pipeline 16 is in maximum in fig. 8.Referring also to Fig. 6, the cross-sectional area of pipeline exists
It is little by little tapered between maximum cross section at the minimum cross-section and upstream end thereof of end.In figures 7 and 8 can be with
It can be clearly seen, the cross sectional dimensions of cold wall 14 is constant between the upstream end thereof of annex and end.Several fins 22,
23rd, 24,25,26 be equally visible in this view, and the side of each fin from pipeline 16 is extended transversely with to opposite side,
Form the gas-tight seal combination with the sidepiece of pipeline 16.
Annex 10 can be manufactured by any appropriate heat proof material, and be by glass-filled nylon system in a preferred embodiment
Make.The highest preferred operations temperature for being connected to such annex of hot-air mo(u)lding equipment is about 130 degree degrees Celsius.
In alternative embodiments, expect to produce the discharge fluid flow velocity reduced from annex 10, while utilizing similar heat
Air mo(u)lding equipment is to provide input air stream.This can be implemented by increasing the overall size of annex 10.For example, annex is total
Length, highly increases 10 millimeters with each of width, and the width of gas outlet can be added to 8 millimeters.
Fig. 9 shows the hot-air mo(u)lding equipment 38 of example, and annex 10 can be connected to the hot-air mo(u)lding equipment 38.Should
Hot-air mo(u)lding equipment 38 includes generic tubular handle 40, and it has air inlet 42 and the gas outlet 44 at opposed end.
At air inlet 42, a series of holes 46 surround and partly extended along handle 40.Fan unit (not shown) is accommodated in handle
And including fan and motor.In use, the motor-driven fan and (it extends through handle 40 to air along inlet air flow path
Length) be aspirated through air inlet 42.The air is before discharge hot-air mo(u)lding equipment 38 at gas outlet 44 by heater
(not shown) is selectively heated.
It is described in detail the invention is not restricted to given above.Various deformation form will be aobvious for those skilled in the art
And be clear to.
Claims (13)
1. a kind of annex for hair styling appliance, including：
Pipeline, it has the air inlet for being used for that air stream to be received from hair styling appliance；And
At least one fin, being positioned in pipeline is used to guide air stream towards gas outlet；And
Gas outlet is elongated shape, and is in substantially parallel relationship to the direction orientation of the air stream at air inlet.
2. annex according to claim 1, wherein, at least one described fin is connected to pipeline.
3. annex according to claim 2, wherein, at least one described fin is connected to the wall of pipeline.
4. the annex according to any one of the claims, wherein, at least one described fin has air foil shape
Cross section.
5. the annex according to any one of the claims, wherein, at least one described fin is entire airfoil.
6. annex according to any one of claim 1 to 4, wherein at least one described fin is separation fin, it has
There are main section and secondary section.
7. annex according to claim 6, wherein the main section is positioned as generally perpendicular to gas outlet.
8. the annex according to claim 6 or 7, wherein secondary section is positioned between main section and air inlet.
9. the annex according to any one of the claims, including two or more fins.
10. annex according to claim 9, wherein the first fin is closest to air inlet, and first fin is complete
Fin.
11. annex according to claim 9, including at least one separation fin and at least one entire airfoil.
12. the annex according to any one of the claims, wherein five fins are fixed in pipeline.
13. the annex according to any one of the claims, wherein each fin is from the first duct wall to second pipe
Wall extends across pipeline, and wherein described first duct wall and second pipe wall are in the opposite side of elongated gas outlet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1605034.6 | 2016-03-24 | ||
| GB1605034.6A GB2548619A (en) | 2016-03-24 | 2016-03-24 | An attachment for a handheld appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107224083A true CN107224083A (en) | 2017-10-03 |
Family
ID=56027344
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710177050.0A Pending CN107224083A (en) | 2016-03-24 | 2017-03-23 | Annex for hand-held instruments |
| CN201720291477.9U Expired - Fee Related CN207202409U (en) | 2016-03-24 | 2017-03-23 | Annex for hair styling appliance |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720291477.9U Expired - Fee Related CN207202409U (en) | 2016-03-24 | 2017-03-23 | Annex for hair styling appliance |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20170273425A1 (en) |
| JP (1) | JP2017170144A (en) |
| CN (2) | CN107224083A (en) |
| GB (1) | GB2548619A (en) |
| WO (1) | WO2017163006A1 (en) |
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- 2017-03-23 JP JP2017057215A patent/JP2017170144A/en active Pending
- 2017-03-23 CN CN201710177050.0A patent/CN107224083A/en active Pending
- 2017-03-23 CN CN201720291477.9U patent/CN207202409U/en not_active Expired - Fee Related
- 2017-03-24 US US15/468,736 patent/US20170273425A1/en not_active Abandoned
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| CN207202409U (en) * | 2016-03-24 | 2018-04-10 | 戴森技术有限公司 | Annex for hair styling appliance |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114073366A (en) * | 2020-08-17 | 2022-02-22 | 杭州乐秀电子科技有限公司 | Ergonomic hair care appliance |
| CN114073368A (en) * | 2020-08-17 | 2022-02-22 | 杭州乐秀电子科技有限公司 | Airflow reversing piece and hair care appliance with same |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2548619A (en) | 2017-09-27 |
| US20170273425A1 (en) | 2017-09-28 |
| JP2017170144A (en) | 2017-09-28 |
| GB201605034D0 (en) | 2016-05-11 |
| CN207202409U (en) | 2018-04-10 |
| WO2017163006A1 (en) | 2017-09-28 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171003 |