CN111838936B - Hair drier - Google Patents
Hair drier Download PDFInfo
- Publication number
- CN111838936B CN111838936B CN202010928795.8A CN202010928795A CN111838936B CN 111838936 B CN111838936 B CN 111838936B CN 202010928795 A CN202010928795 A CN 202010928795A CN 111838936 B CN111838936 B CN 111838936B
- Authority
- CN
- China
- Prior art keywords
- air
- air inlet
- motor
- wire frame
- casing
- 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.)
- Active
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
-
- 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
Abstract
The invention discloses a blower, which comprises a body, a heating wire frame positioned in the body, a motor mechanism and a driving circuit, wherein a first air inlet and an air outlet are respectively formed in the rear end and the front end of the body, a first air guide pipe is sleeved in the heating wire frame, at least one second air inlet communicated with the first air guide pipe is formed in the top or the side wall of the body, the motor mechanism comprises a motor support cylinder positioned at the inner rear end of the body and a motor arranged in the motor support cylinder, the tail end of the first air guide pipe is connected with the wall of the motor support cylinder, and the driving circuit is connected with the motor to drive the motor to work, so that air enters the body from the first air inlet and the second air inlet, and air entering from the first air inlet is blown out from the air outlet positioned in the same line with the first air inlet after passing through the motor mechanism and the heating wire frame, and the air entering from the second air inlet is blown out from the front end after entering the first air guide pipe.
Description
Technical Field
The invention relates to the technical field of hairdressing devices, in particular to a hair dryer.
Background
With the increasing demands of people for hair care, various hairdressing tools are sequentially presented, for example, a hairdryer used by daily people has different style functions due to different hairstyles, hair quality, requirements and the like of each person.
When the traditional blower is used, wind enters from the air inlet at the tail part of the blower shell, is discharged from the air outlet at the front end of the shell after being heated by the motor, the fan blade and the heating component, if the output is required to be enhanced, the motor with higher power can only be used, but the size, the weight and the cost are increased, in order to solve the defect, people invented a blower with the wind entering from the tail part of the handle into the blower shell, the wind direction is converted into the direction perpendicular to the handle through the motor, the steering baffle and the like, and then the blower is discharged from the air outlet at the front end of the shell after passing through the heating component.
In view of the foregoing, it is desirable to provide a blower with a relatively simple structure and increased air output to solve the above-mentioned drawbacks.
Disclosure of Invention
The invention aims to solve the technical problem of providing a blower which has a simple structure and can increase the air output.
In order to solve the technical problems, the invention provides a blower which comprises a body, a heating wire frame positioned in the body, a motor mechanism and a driving circuit, wherein a first air inlet and an air outlet are respectively formed in the rear end and the front end of the body, a first air guide pipe is sleeved in the heating wire frame, at least one second air inlet communicated with the first air guide pipe is formed in the top or the side wall of the body, the motor mechanism comprises a motor support cylinder positioned at the inner rear end of the body and a motor arranged in the motor support cylinder, the tail end of the first air guide pipe is connected to the wall of the motor support cylinder, and the driving circuit is connected with the motor to drive the motor to work so that air enters the body from the first air inlet and the second air inlet, and air entering from the first air inlet is blown out from the air outlet positioned in the same straight line with the first air inlet after passing through the motor mechanism and the heating wire frame, and air entering from the second air inlet enters the first air guide pipe and is blown out from the front end of the motor support cylinder.
The further technical scheme is as follows: the heating wire frame is characterized in that the heating wire frame is internally provided with a first air inlet, a first air outlet and a second air outlet, the first air inlet is arranged on the heating wire frame, the second air inlet is arranged on the heating wire frame, and the second air inlet is arranged on the heating wire frame.
The further technical scheme is as follows: the air outlet end of the second air guide pipe is in a zigzag shape.
The further technical scheme is as follows: the first air guide pipe comprises a first barrel body and an air guide body which is formed by extending the tail end of the first barrel body obliquely upwards and is communicated with the first barrel body, the air guide body is downwards concavely provided with an air collecting groove, the second air inlet is arranged on the side wall or the top of the body corresponding to the air collecting groove, and the tail end of the air guide body is connected with the wall of the motor support barrel.
The further technical scheme is as follows: the first air guide pipe further comprises a second barrel which is formed by bending upwards from the tail end of the first barrel, and the air guide body is formed by extending outwards from the second barrel.
The further technical scheme is as follows: one end of the wind guide body, which is connected with the second cylinder body, is provided with an arc-shaped wind receiving plate.
The further technical scheme is as follows: the body includes the casing and with the handle that the casing is connected, the casing includes preceding casing, assembles back casing and the connection piece on preceding casing, the connection piece is located between preceding casing and the back tip exposes, the second air intake set up in on the connection piece, air outlet and first air intake set up respectively in preceding casing front end and back casing end, the handle includes first casing and the second casing of tip connection under preceding casing and the back casing respectively, second casing detachably joint is on first casing.
The further technical scheme is as follows: the blower is provided with a plurality of second air inlets, and a plurality of second air inlets are distributed in a divergent mode with the middle of the top surface of the connecting sheet as the center.
The further technical scheme is as follows: the handle is internally provided with a control circuit which is connected with the driving circuit, the first shell of the handle is provided with a plurality of sliding switches, and each sliding switch is connected with the control circuit.
The further technical scheme is as follows: the first shell is provided with a key switch which is connected with the control circuit.
Compared with the prior art, the heating wire frame in the hair dryer is internally provided with the first air guide pipe, the top or the side wall of the body is provided with the second air inlet communicated with the first air guide pipe, when the hair dryer works, the motor rotates, so that air enters the body from the first air inlet, is blown out from the air outlet which is positioned on the same straight line with the first air inlet after passing through the motor mechanism and the heating wire frame, and because the speed of the air flow entering from the first air inlet is increased and the partial pressure is reduced when the air flow is blown out, a low-pressure area is formed at the front end of the first air guide pipe, the air enters from the second air inlet communicated with the first air guide pipe and is blown out through the first air guide pipe, and as can be known, the air quantity output of the hair dryer can be increased when the hair dryer works, the structure is simple, and the motor is positioned at the rear end part of the body as in the traditional hair dryer, and the design of the handle in the hair dryer body can be lighter and lighter, so that the whole hair dryer is simpler and lighter, and the use experience of a user is improved.
Drawings
Figure 1 is a schematic view of the structure of an embodiment of the blower of the present invention.
Fig. 2 is a schematic view of the blower of the present invention with the body removed.
Fig. 3 is a schematic view showing an exploded structure of the blower of the present invention with the body removed.
Fig. 4 is a schematic front view of the blower of fig. 1.
Fig. 5 is a schematic cross-sectional view of the blower of fig. 1.
Fig. 6 is a schematic diagram of the air outlet state of the blower of the present invention when in operation.
Detailed Description
The present invention will be further described with reference to the drawings and examples below in order to more clearly understand the objects, technical solutions and advantages of the present invention to those skilled in the art.
Referring to fig. 1-6, fig. 1-6 illustrate an embodiment of a hair dryer 1 of the present invention. In the embodiment shown in the drawings, the blower 1 includes a main body 10, a heating wire frame 20 disposed in the main body, a motor mechanism 30, and a driving circuit, where a first air inlet 103 and an air outlet 104 are respectively disposed at the rear end and the front end of the main body 10, a first air guide duct 50 is sleeved in the heating wire frame 20, at least one second air inlet 40 communicating with the first air guide duct 50 is disposed on the top or the side wall of the main body 10, the motor mechanism 30 includes a motor support 301 disposed at the rear end of the main body 10 and a motor 302, the motor support 301 is assembled by two half cylinders 3011, the motor 302 is disposed in a space formed by assembling the two half cylinders 3011, the end of the first air guide duct 50 is connected to the motor support 301, and the driving circuit is connected to the motor 302, so that air enters the main body from the first air inlet 103 and the second air inlet 40, after passing through the motor mechanism 30 and the heating wire frame 20, the air flow entering from the first air inlet 103 is blown out from the air outlet 104 disposed in the same line as the first air inlet 103, and after the air flow entering from the first air guide duct 50 enters from the front end of the first air guide duct 50. As can be appreciated, in the blower 1 of the present invention, the first air inlet 103, the motor mechanism 30, the heating coil frame 20 and the air outlet 104 are formed with an air guiding channel through which air flows, and when the blower 1 works, air enters through the first air inlet 103 provided at the rear end of the body 10 and is blown out through the air outlet 104 after passing through the air guiding channel.
Based on the above design, when the blower 1 works, the motor 302 rotates, so that air enters the body 10 from the first air inlet 103, and is blown out from the air outlet 104 on the same straight line with the first air inlet 103 after passing through the motor mechanism 30 and the heating wire frame 20, because the speed of the air flow entering from the first air inlet 103 increases and reduces part of pressure during blowing out, a low pressure area is formed at the front end of the first air guide pipe 50, so that air enters from the second air inlet 40 communicated with the first air guide pipe 50, and is blown out through the first air guide pipe 50, it is known that additional fluid can be brought by the first air guide pipe 50 and the second air inlet 40 in the blower 1 according to the invention, the air output can be increased when the blower 1 works, the structure is simple, and the motor 302 is as the traditional blower 1, and is positioned at the rear end part in the body 10, the design of the handle in the blower 1 is lighter, so that the blower 1 is simpler and lighter, and the whole blower 1 is lighter and lighter, and the use experience of a user is improved.
In the embodiment shown in the drawings, the first air guiding duct 50 includes a first cylinder 501 and an air guiding body 503 extending obliquely upward from the end of the first cylinder 501, the air guiding body 503 is concavely formed with an air collecting slot 5031, the second air inlet 40 is disposed on the side wall or top of the body 10 corresponding to the air collecting slot 5031, and the end of the air guiding body 503 is connected to the wall of the motor support 301. In this embodiment, the first air guiding duct 50 further includes a second cylinder 502 formed by bending upwards from the end of the first cylinder 501, the air guiding body 503 is formed by extending outwards from the second cylinder 502, and an air receiving plate 5033 is formed at the end of the air guiding body 503 connected to the second cylinder 502, so as to guide the air entering from the second air inlet 40 into the air collecting slot 5031 and blow out the air through the first air guiding duct 50, preferably, the air receiving plate 5033 has an arc shape, which is more beneficial to guiding the air entering from the second air inlet 40 into the air collecting slot 5031. It will be appreciated that the downwardly concave air collection trough 5031 also facilitates collection of air entering from the second air intake 40.
With continued reference to fig. 2 and 3, in some embodiments, the body 10 further includes a second air guiding duct 60 sleeved on the heating wire frame 20, and when the motor 302 works, air entering from the first air inlet 103 enters the second air guiding duct 60 after passing through the motor mechanism 30, and is blown out from the air outlet 104 after passing through the heating wire frame 20, preferably, an air outlet end of the second air guiding duct 60 is in a zigzag shape. Based on the design, the air outlet end of the second air guiding pipe 60 is in a zigzag shape, so that the air carried by the outer wall of the second air guiding pipe can be further mixed with the air entering from the first air inlet 103 at the air outlet end, and the silencing and heat insulation effects are achieved.
Further, in this embodiment, the inner diameter of the second air guiding duct 60 gradually decreases from back to front, so that the air outlet end of the blower 1 is narrowed, and the air entering from the first air inlet 103 can be ejected more quickly.
With continued reference to fig. 1 and fig. 3 to fig. 6, the body 10 includes a housing 101 and a handle 102 connected to the housing 101, the housing 101 includes a front housing 1011, a rear housing 1012 assembled on the front housing 1011, and a connecting piece 1013, the connecting piece 1013 is located between the front housing 1011 and the rear housing 1012 and has a rear end exposed, the second air inlet 40 is disposed on the connecting piece 1013, as shown in fig. 3, the blower 1 of the embodiment is provided with a plurality of second air inlets 40, and the plurality of second air inlets 40 are distributed in a divergent shape with a center of a top surface of the connecting piece 1013; the air outlet 104 and the first air inlet 103 are respectively disposed at the front end of the front housing 1011 and the rear end of the rear housing 1012, the motor 302 is located at the rear end portion in the rear housing 1012, the handle 102 includes a first housing 1021 and a second housing 1022 respectively connected to the lower ends of the front housing 1011 and the rear housing 1012, and the second housing 1022 is detachably clamped to the first housing 1021. In this embodiment, the front housing 1011 and the first housing 1021 and the rear housing 1012 and the second housing 1022 are all integrally formed, and in some other embodiments, the first housing 1021 and the front housing 1011, the second housing 1022 and the rear housing 1012 may be detachably assembled together by a snap fit manner or may be mounted together by screws.
In some embodiments, a power cord 2 is connected to the lower end of the handle 102, power is supplied to the blower 1 through the power cord 2, a plug connected to a power supply device such as a main power supply is disposed at the other end of the power cord 2, a control circuit is disposed in the handle 102, a circuit board 3 is fixed in the body 10, the bottom surface in the middle of the air collecting groove 5031 in the air guiding body 503 is recessed upward, the upper end of the circuit board 3 is located in a recess in the bottom surface of the air collecting groove 5031, the driving circuit and the control circuit are both located on the circuit board 3, a plurality of sliding switches 90 are disposed on the first casing 1021 of the handle 102, each sliding switch 90 is connected to the control circuit, and further, a key switch 80 is disposed on the first casing 1021, and the key switch 80 is connected to the control circuit. It is to be understood that two slide switches 90 are provided in this embodiment, to respectively push the gear adjustment for controlling the temperature and the wind speed, and to control the switching of the cool air by the key switch 80, that is, the blower 1 blows cool air when the key switch 80 is pressed, and the blower 1 blows hot air when the key switch 80 is released, and the driving circuit is connected to the control circuit to adjust the rotation of the motor 302 after the user presses the wind speed adjustment slide switch 90.
In some embodiments, the blower 1 may further be provided with an air net 105 corresponding to the first air inlet 103, so as to filter the impurities with larger particles, so as to prevent the first air inlet 103 from being blocked.
As can be appreciated, when the blower 1 works, air enters the body 10 from the first air inlet 103, is blown out from the air outlet 104 which is positioned on the same straight line with the first air inlet 103 after passing through the motor mechanism 30 and the heating wire frame 20, and as the speed of the air flow entering from the first air inlet 103 increases and reduces partial pressure when being blown out, a low pressure area is formed at the front end of the first air guide pipe 50, the front end of the first air guide pipe 50 is lower than the rear end, based on the bernoulli law, the fluid tends to move from the high pressure area to the low pressure area, so that the air with higher pressure behind the first air guide pipe 50 can be driven to flow into and flow to the low pressure area at the front end of the first air guide pipe 50, namely, the air enters from the second air inlet 40 which is communicated with the first air guide pipe 50 and is blown out through the first air guide pipe 50, and as can be known, the blower 1 can bring additional fluid through the first air guide pipe 50 and the second air guide pipe 40, and the blower 1 can also increase the air output without using a motor 302 with higher power; in addition, the fluid around the outer wall of the second air guide pipe 60 flows to the air outlet end of the blower 1, and is mixed with the air entering from the first air inlet 103 through the serrated air outlet end of the second air guide pipe 60, so that the output can be further increased, meanwhile, the noise can be reduced, the heat can be insulated, and the air is sucked into the body 10 and is blown out without turning by 90 degrees, so that the energy loss can be reduced.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Various equivalent changes and modifications can be made by those skilled in the art based on the above embodiments, and all equivalent changes or modifications made within the scope of the claims shall fall within the scope of the present invention.
Claims (8)
1. The utility model provides a hair-dryer, includes the body, is located this internal heating wire frame, motor mechanism and drive circuit, the body includes the casing, first air intake and air outlet have been seted up respectively to casing rear end and front end, its characterized in that: the shell comprises a front shell, a rear shell and a connecting sheet, wherein the rear shell is assembled on the front shell, the connecting sheet is arranged between the front shell and the rear shell, the rear end part of the connecting sheet is exposed, a first air guide pipe is sleeved in the heating wire frame, the motor mechanism comprises a motor support cylinder arranged at the rear end part of the rear shell and a motor arranged in the motor support cylinder, the first air guide pipe comprises a first cylinder body and an air guide body which is formed by extending upwards obliquely at the tail end of the first cylinder body and is communicated with the first air guide pipe, the air guide body is arranged below the connecting sheet, an air collecting groove is formed by downwards recessing the air guide body, a plurality of second air inlets which are communicated with the first air guide pipe are arranged on the connecting sheet, the middle part of the top surface of the connecting sheet is in a divergent shape, the tail end of the air guide body is connected with the motor support cylinder wall, and the motor are connected, so that air enters the body from the first air inlet and the second air inlet, and the motor mechanism, and the air flow entering from the first air inlet enters the wire frame from the first air inlet and the same straight line after passing through the motor mechanism and the first air inlet from the first air inlet and the air collecting groove is located at the front air inlet and is blown out from the front air inlet of the first air inlet.
2. A hair dryer as in claim 1, wherein: the heating wire frame is characterized in that the heating wire frame is internally provided with a first air inlet, a first air outlet and a second air outlet, the first air inlet is arranged on the heating wire frame, the second air inlet is arranged on the heating wire frame, and the second air inlet is arranged on the heating wire frame.
3. A hair dryer as in claim 2, wherein: the air outlet end of the second air guide pipe is in a zigzag shape.
4. A hair dryer as in claim 1, wherein: the first air guide pipe further comprises a second barrel which is formed by bending upwards from the tail end of the first barrel, and the air guide body is formed by extending outwards from the second barrel.
5. A hair dryer as in claim 4, wherein: one end of the wind guide body, which is connected with the second cylinder body, is provided with an arc-shaped wind receiving plate.
6. A hair dryer as in claim 1, wherein: the body still include with the handle that the casing is connected, the handle include respectively with preceding casing and back casing lower extreme connection's first casing and second casing, second casing detachably joint is on first casing.
7. A hair dryer as in claim 6, wherein: the handle is internally provided with a control circuit which is connected with the driving circuit, the first shell of the handle is provided with a plurality of sliding switches, and each sliding switch is connected with the control circuit.
8. A hair dryer as in claim 7, wherein: the first shell is provided with a key switch which is connected with the control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010928795.8A CN111838936B (en) | 2020-09-07 | 2020-09-07 | Hair drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010928795.8A CN111838936B (en) | 2020-09-07 | 2020-09-07 | Hair drier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111838936A CN111838936A (en) | 2020-10-30 |
| CN111838936B true CN111838936B (en) | 2023-10-13 |
Family
ID=72967763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010928795.8A Active CN111838936B (en) | 2020-09-07 | 2020-09-07 | Hair drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111838936B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114098255B (en) * | 2021-11-25 | 2022-11-29 | 深圳市众平电机有限公司 | Multi-appearance multifunctional hair drier based on multi-motor design |
| CN116172328B (en) * | 2023-02-02 | 2024-03-15 | 广东罗曼智能科技股份有限公司 | Tuyere for electric hair drier |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06141919A (en) * | 1992-11-13 | 1994-05-24 | Matsushita Electric Works Ltd | Dryer |
| JP2004113402A (en) * | 2002-09-25 | 2004-04-15 | Tescom:Kk | Hair drier |
| CN201657929U (en) * | 2010-02-09 | 2010-12-01 | 黄伟雄 | Hair drier |
| CN205624987U (en) * | 2016-05-20 | 2016-10-12 | 浙江金达电机电器有限公司 | Two wind channels hair -dryer |
| CN109527765A (en) * | 2019-01-29 | 2019-03-29 | 全小华 | Hair dryer |
| CN209711923U (en) * | 2019-01-23 | 2019-12-03 | 周金祥 | A kind of hair dryer of mountable fixation |
| CN210383011U (en) * | 2019-05-10 | 2020-04-24 | 新基德实业有限公司 | High-efficient dryer |
| CN111150205A (en) * | 2020-01-21 | 2020-05-15 | 深圳市奋达科技股份有限公司 | Hair drier |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9883726B2 (en) * | 2015-12-20 | 2018-02-06 | Shih-Ling Hsu | Hair dryer with improved outlet unit |
-
2020
- 2020-09-07 CN CN202010928795.8A patent/CN111838936B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06141919A (en) * | 1992-11-13 | 1994-05-24 | Matsushita Electric Works Ltd | Dryer |
| JP2004113402A (en) * | 2002-09-25 | 2004-04-15 | Tescom:Kk | Hair drier |
| CN201657929U (en) * | 2010-02-09 | 2010-12-01 | 黄伟雄 | Hair drier |
| CN205624987U (en) * | 2016-05-20 | 2016-10-12 | 浙江金达电机电器有限公司 | Two wind channels hair -dryer |
| CN209711923U (en) * | 2019-01-23 | 2019-12-03 | 周金祥 | A kind of hair dryer of mountable fixation |
| CN109527765A (en) * | 2019-01-29 | 2019-03-29 | 全小华 | Hair dryer |
| CN210383011U (en) * | 2019-05-10 | 2020-04-24 | 新基德实业有限公司 | High-efficient dryer |
| CN111150205A (en) * | 2020-01-21 | 2020-05-15 | 深圳市奋达科技股份有限公司 | Hair drier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111838936A (en) | 2020-10-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11517091B2 (en) | Hair dryer | |
| CN111838936B (en) | Hair drier | |
| US11857052B2 (en) | Water separator for a hair dryer | |
| CN111557539A (en) | Hair drier | |
| CN213808160U (en) | Backpack type blower | |
| CN113749375A (en) | Air duct assembly and electric hair drier | |
| CN112343847A (en) | Backpack type blower | |
| CN212117388U (en) | Fixing structure for inner element of blowing rod | |
| CN212394161U (en) | Hair drier | |
| KR101774033B1 (en) | Hair dryer | |
| CN113491378A (en) | Folding multifunctional hair drier | |
| CN210696417U (en) | Electric hair drier | |
| CN209251868U (en) | Two in one multifunctional hair dryer | |
| CN213215778U (en) | Temperature control electric hair drier with air entering from two sides | |
| CN217791850U (en) | Hair-dryer with water conservancy diversion passageway | |
| CN109008150B (en) | Fanless blower | |
| CN110671367A (en) | Do benefit to radiating hair-dryer | |
| CN109330154A (en) | Two in one multifunctional hair dryer | |
| CN112336039A (en) | Portable double-layer air duct blower | |
| CN214258262U (en) | Handle air inlet type hair drier | |
| CN216822139U (en) | Hair drier | |
| CN212546034U (en) | Hair drier | |
| CN211039166U (en) | Do benefit to radiating hair-dryer | |
| CN218127356U (en) | Axe type hair drier | |
| CN215603719U (en) | Air duct assembly and electric hair drier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |