CN116391953B - Blowing device and handheld hair dryer - Google Patents
Blowing device and handheld hair dryer Download PDFInfo
- Publication number
- CN116391953B CN116391953B CN202310518552.0A CN202310518552A CN116391953B CN 116391953 B CN116391953 B CN 116391953B CN 202310518552 A CN202310518552 A CN 202310518552A CN 116391953 B CN116391953 B CN 116391953B
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- heating
- brushless motor
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- 238000007664 blowing Methods 0.000 title claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 62
- 210000004907 gland Anatomy 0.000 claims abstract description 52
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims abstract description 5
- 230000008859 change Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000030279 gene silencing Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Classifications
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- 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
-
- 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
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a blowing device and a handheld blower, wherein an air inlet is formed in a handle part, a heating assembly, a wind shielding assembly and a blower assembly are arranged at a blowing part, the wind shielding assembly comprises a circular gland, circular protrusions used for changing the flow direction of air led in by the blower assembly are arranged around the circle center of the circular gland, the heating assembly processes the air led in by the wind shielding assembly and then is discharged to an air outlet, a non-negative pressure cavity is formed between the circular protrusions and a brushless motor, the air leading-in speed is accelerated, the circular gland changes the flow direction of the air led in by the brushless motor, so that heat generated by the work of the brushless motor is dissipated, the circular gland is connected with a hollow mounting column, a heating bin is arranged around the hollow mounting column and provided with heating wires in the heating bin, the air processed by the wind shielding assembly is effectively heated, and the matching of the brushless motor and the circular shielding cap can effectively change the flow direction of the air so as to reduce noise, the blowing surface of the blower is enlarged, and the working reliability of the blower is improved.
Description
Technical Field
The invention belongs to the technical field of electric hair dryers, and particularly relates to a blowing device and a handheld blower.
Background
The hair dryer is a personal care small household appliance capable of enabling hair to be dried quickly, and along with the importance of people on time saving requirements, the requirement on the quick drying of the hair dryer is higher. The inside of the blower is usually provided with a motor fan, and the motor is directly used for driving a rotor to drive a fan blade to rotate, when the fan blade rotates, air is sucked from an air inlet, centrifugal air flow formed by the air is blown out from a front nozzle of the air duct, and the air quantity is required to be regulated to directly increase the rotating speed of the fan blade, so that the whistle phenomenon is generated when the air is fed in and discharged out, and larger noise is generated. In order to solve the problems, the motor fan is provided with the silencing structure in the prior art, the silencing manufacturing cost is high, the process is complex, the heating wire is positioned at the air outlet, the heat efficiency of the blower is affected, and the use experience of the blower is reduced.
Disclosure of Invention
In view of the above, the present invention provides a blower device and a hand-held blower that can reduce noise in the blower and improve the service life of the blower, so as to solve the above-mentioned technical problems.
In a first aspect, the present invention provides a blowing device comprising:
The handle part comprises an air inlet;
The blowing part is connected with the handle part, the blowing part comprises a shell, a heating component arranged in the shell, a wind shielding component connected with one end of the heating component, a fan component arranged in the shell and corresponding to the wind shielding component, and an air outlet positioned at the other end of the heating component, wherein the wind shielding component comprises a circular gland, circular ring protrusions used for changing the flow direction of air guided by the fan component are arranged around the center of the circular gland, and the heating component processes air guided by the wind shielding component and then is discharged to the air outlet.
As a further improvement of the above technical solution, the fan assembly includes a baffle plate disposed on the housing, a stop collar disposed on the baffle plate, and a brushless motor disposed in the stop collar.
As a further improvement of the technical scheme, one end of the brushless motor and the inner measuring recess, which is formed by the bulge of the circular ring and is close to the center of the circular gland, form a non-negative pressure cavity, and the other end of the brushless motor is embedded on the baffle plate.
As a further improvement of the technical scheme, the limiting ring is further provided with a first circuit board for controlling the brushless motor to work and a cover plate located between the baffle plate and the shell.
As a further improvement of the technical scheme, the heating assembly comprises a hollow mounting column connected with the round gland, a heating bin arranged around the hollow mounting column and a heating wire which is annularly arranged on the hollow mounting column and is arranged in the heating bin.
As a further improvement of the technical scheme, the round pressing cover is provided with a plurality of limiting columns which are correspondingly inserted with the hollow mounting columns.
As a further improvement of the above technical solution, the diameter of the circular gland is larger than the diameter of the hollow mounting post.
As a further improvement of the technical scheme, the hollow mounting column is provided with an inclined plane extending along the air outlet, and the inclined plane is 30 degrees along the horizontal surface of the length direction of the handle.
As a further improvement of the above technical solution, the blowing device further includes a filter screen disposed on the housing and located at the air outlet.
In a second aspect, the invention further provides a handheld blower, which comprises the blower device, a second circuit board positioned in the handle part, and a key arranged on the handle part and connected with the second circuit board, wherein the second circuit board is positioned between the key and the air inlet.
Compared with the prior art, the invention has the following beneficial effects:
Through set up a plurality of air intakes at the stalk portion, the portion of blowing sets up heating element, keep out wind subassembly and fan subassembly, keep out wind the subassembly and be located between heating element and the fan subassembly, keep out wind the subassembly including circular gland, be equipped with around the centre of a circle of circular gland and be used for changing the circular ring arch of the direction of leading-in air by the fan subassembly, it discharges to the air outlet after the air that the heating element handled by keeping out wind subassembly was led, adopt brushless motor to leading-in air in the casing, form non-negative pressure chamber between circular arch and the brushless motor, can accelerate the air leading-in speed, circular gland can change the direction of flow of the leading-in air of brushless motor, thereby heat dissipation to the heat that brushless motor work produced adopts sealed fixation between fan subassembly and the casing, circular gland is connected with the cavity erection column, the heating bin is located around the cavity erection column and set up the heater strip in the heating bin, thereby can effectively heat the air that handles the fan subassembly, the thermal efficiency of device work has been promoted, thereby brushless motor and circular shield cooperation can effectively change the air flow direction and noise, the cavity erection column extends along the air outlet is provided with the inclined plane, the horizontal plane along stalk portion length direction personally presents 30, can accelerate the air-out from the front-out diffusion face, the air blower has enlarged the operational reliability, and the convenient degree of operation has been improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a blowing device provided by the present invention;
fig. 2 is a schematic structural diagram of a blowing device according to another embodiment of the present invention;
fig. 3 is a schematic structural view of a blower provided by the present invention;
Fig. 4 is a schematic diagram of the operation of the blower provided by the present invention;
Fig. 5 is a schematic structural view of a circular gland provided by the present invention;
Fig. 6 is a perspective view of a hand-held blower provided by the present invention;
Fig. 7 is a schematic diagram of an internal structure of a hand-held blower according to the present invention.
The main reference numerals are as follows:
1-a handle; 2-an air inlet; 3-a blowing part; 4-a housing; 5-a heating assembly; 6-a wind shielding assembly; 7-a fan assembly; 8-an air outlet; 9-a round gland; 10-ring bulge; 11-a baffle; 12-limiting rings; 13-brushless motor; 14-a non-negative pressure chamber; 15-a first circuit board; 16-cover plate; 17-a hollow mounting post; 18-heating the bin; 19-heating wires; 20-limiting columns; 21-inclined plane; 22-a filter screen; 23-a second circuit board; 24-key.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1, 2 and 3, the present invention provides a blowing apparatus comprising:
A handle 1 comprising an air inlet 2;
The blowing part 3 is connected with the handle part 1, the blowing part 3 comprises a shell 4, a heating component 5 arranged in the shell 4, a wind shielding component 6 connected with one end of the heating component 5, a fan component 7 arranged in the shell 4 and correspondingly arranged with the wind shielding component 6, and an air outlet 8 positioned at the other end of the heating component 5, the wind shielding component 6 comprises a circular gland 9, circular ring bulges 10 used for changing the flow direction of air led in by the fan component 7 are arranged around the center of the circular gland 9, and the heating component 5 processes the air guided by the wind shielding component 6 to be discharged to the air outlet 8.
In this embodiment, the fan assembly 7 includes a baffle 11 disposed on the housing 4, a stop collar 12 disposed on the baffle 11, and a brushless motor 13 disposed within the stop collar 12. One end of the brushless motor 13 and the inner measuring recess of the circular ring bulge 10, which is close to the center of the circular gland, form a non-negative pressure cavity 14, and the other end of the brushless motor 13 is embedded on the baffle 11. The limiting ring 12 is also provided with a first circuit board 15 for controlling the brushless motor 13 to work and a cover plate 16 positioned between the baffle plate 11 and the shell 4. The heating assembly 5 comprises a hollow mounting column 17 connected with the round gland 9, a heating bin 18 positioned around the hollow mounting column 17, and a heating wire 19 which is annularly arranged on the hollow mounting column 17 and positioned in the heating bin 18. The circular gland 9 is provided with a plurality of limit posts 20 which are correspondingly inserted with the hollow mounting posts 17, and the diameter of the circular gland 9 is larger than that of the hollow mounting posts 17. The hollow mounting column 17 is provided with an inclined plane 21 along the air outlet 8, the inclined plane 21 forms 30 degrees along the horizontal plane of the length direction of the handle 1, and the air blowing device further comprises a filter screen 22 arranged on the shell 4 and positioned at the air outlet 8.
Referring to fig. 4, it should be noted that the plurality of air inlets 2 are disposed around the handle 1, and the axis of each air inlet 2 may be parallel to the axis of the brushless motor 13, or inclined with respect to the axis of the brushless motor 13, the caliber of each air inlet 2 may be the same or different, and the distance between each air inlet 2 may be the same or different. The handle part 1 and the blowing part 3 are in T-shaped arrangement, and the distance between two adjacent air inlets 2 and the distance between the air inlets 2 and the air inlet end of the fan assembly 7 can effectively reduce noise generated in the shell 4 during the working of the blowing device. The motor main part of brushless motor 13 is wrapped up by spacing ring 12, and the one end of brushless motor 13 is towards circular gland 9, and baffle 11 surface is inlayed to the other end of brushless motor 13, baffle 11 and casing 4 fixed connection are provided with apron 16 between baffle 11 and the casing 4, and apron 16 can play sealed and the effect of installation brushless motor 13. The annular first circuit board 15 is arranged on the outer side of the limiting ring 12, the first circuit board 15 is connected with the brushless motor 13, and the contact part between the inner side of the limiting ring 12 and the brushless motor 13 can be arranged to be in snap connection, so that the brushless motor 13 can be fixed conveniently. The brushless motor 13 replaces the conventional motor fan, and has the characteristics of low noise and smooth operation. However, if the air flow rate in the housing 4 needs to be increased, the rotation speed of the motor fan or the power of the motor fan can be increased, so that excessive noise is generated. One end of the brushless motor 13 is opposite to the circular gland 9, preferably, the center of the circular gland 9 and the axis of the brushless motor 13 are located on the same horizontal plane, and the circular ring protrusion 10 and the brushless motor 13 form a non-negative pressure cavity 14, so that the brushless motor 13 forms whirlwind instead of vortex wind under the blocking of the circular gland 9, and the space in the shell 4 where the whole fan assembly 7 is located is filled rapidly. The diameter of the annular protrusion 10 is preferably 2-8cm, and the specific situation can be set according to the actual situation. Air flows into the non-negative pressure chamber 14 when the brushless motor 13 rotates, thereby accelerating the air flow in the housing 4.
The wind shielding assembly 6 is located between the heating assembly 5 and the fan assembly 7, the distance between the round gland 9 and the brushless motor 13 can be set according to actual needs, a plurality of limit posts 20 are arranged on one side, close to the heating assembly 5, of the round gland 9, the number of the limit posts 20 is preferably three, the limit posts 20, the circular ring protrusions 10 and the round gland 9 are integrally formed, the length of the limit posts 20 can be set according to actual needs, the limit posts 20 are inserted into the hollow mounting posts 17, stable mounting of the round gland 9 can be achieved, one side, close to the air outlet 8, of the hollow mounting posts 17 is hollow, the other side of the hollow mounting posts 17 is arc-shaped, heating wires 19 can be arranged on the periphery of the hollow mounting posts 17, the diameter of the round gland 9 is larger than that of the hollow mounting posts 17, and part of the heating wires 19 are shielded by the round gland 9, the heating wires 19 and the shell 4 form a heating bin 18, the heating bin 18 is in a circular ring shape, the diameter of the round gland 9 is also larger than the body diameter of the brushless motor 13, the direction of air, the direction of the introduced brushless motor can be changed, namely the round gland 9 can be better, the direction of the air introduced into the brushless motor can be changed, the brushless motor can be worked by the first circuit board 15, a certain amount of heat can be generated when the brushless motor works, and the negative heat can reach the brushless motor 13 through the first circuit board 13, and the first circuit board 15.
The hollow mounting column 17 extends along the air outlet 8 and is provided with an inclined plane 21, the inclined plane 21 forms 30 degrees along the horizontal plane of the length direction of the handle 1, the air in the shell 4 of the wind shielding component 6 and the fan component 7 flows to the heating bin 18 after being filled with air, the heating wires 19 in the heating bin 18 work to heat the air flowing into the heating bin 18 and discharge the air from the air outlet 8, and after the heated air is discharged from the air outlet 8, a certain amount of air is generated at the 15 cm-20 cm away from the air outlet 8 in the flow direction of hot air, so that the blowing surface is enlarged. The length of the hollow mounting column 17 along the horizontal plane of the brushless motor 13 is preferably 3-10cm, and the heating wire 19 extends to the air outlet 8 from the direction parallel to the round gland 9, so that the air processed by the wind shielding assembly 6 can be sufficiently heated, and the heat efficiency of the heating wire 19 for heating the air can be improved.
Referring to fig. 5, the orthographic projection of the circular ring protrusion and the circular gland in the direction of the plane of the air outlet is not coincident, the distance between the circular gland and the plane of the air outlet is smaller than the distance between the protrusion of the circular ring protrusion and the plane of the air outlet, the distance between the circle center of the circular ring protrusion and the plane of the air outlet is smaller than the distance between the protrusion of the circular ring protrusion and the plane of the air outlet, the diameter of the circular gland is larger than the diameter of the circular ring protrusion, and the wind shielding assembly is in an M shape along the plane of the air outlet.
The circular gland 9 is integrated into one piece's plastics material or resin etc. for traditional noise reduction silencing device etc. its preparation technology is simple to reduce blast apparatus's cost, heating element 5 in the blast portion 3, wind shielding component 6 and fan assembly 7 adopt joint or grafting etc. when blast apparatus drops from 1.5m high altitude, also can not influence the part in the casing 4 and appear becoming flexible or damage, thereby improved blast apparatus's life and job stabilization nature. In order to clean the wind discharged from the air outlet 8, a circular filter screen 22 is arranged on the casing 4 of the air outlet 8, and the aperture of the filter screen 22 can be specifically set according to actual situation. The installation mode of the heating component 5, the wind shielding component 6 and the fan component 7 does not influence the appearance of the traditional direct-blowing type blower, and air is led in from the air inlet 2 of the handle part 1, so that the working noise of the blowing device can be reduced to a certain extent, and the direct-blowing type blower is simple in operation and structure and convenient to carry.
Referring to fig. 6 and 7, the present invention further provides a hand-held blower, which includes the blower device, a second circuit board 23 located in the handle 1, and a button 24 disposed on the handle 1 and connected to the second circuit board 23, where the second circuit board 23 is located between the button 24 and the air inlet 2.
In this embodiment, the second circuit board 23 is provided with a voltage converter, a voltage stabilizer, a control unit, etc., and the key 24 may be a start switch, a heating switch, or an air volume, etc., which may be specifically set according to practical situations. The second circuit board 23 is located between the air inlet 2 and the key 24, so that the key 24 is convenient to hold and operate, the second circuit board 23 can form a plurality of air channels for air led in by the air inlet 2, thereby improving the speed of air led in the air blowing part 3, the key 24 can be a push type or a touch type, and the like, the air inlet 2 is located at a position where a power line is connected with the handle part 1,
Referring to fig. 4 again, in a specific application, the handle 1 is held by hand and the button 24 is operated to make the brushless motor 13 and the heater wire 19 work, the brushless motor 13 introduces air (shown by arrow direction in the figure) through the air inlet 2, the air flows into the non-negative pressure cavity 14, the non-negative pressure cavity 14 is blocked by the circular gland 9 after being filled with air, the air in the non-negative pressure cavity 14 flows towards the baffle 11, at this time, the air with changed flow direction can radiate the brushless motor 13 and the first circuit board 15, the air enters the heating bin 19 through the periphery of the circular cover 9, the heater wire 18 heats the air to promote the flow rate of the hot air to be discharged from the air outlet 8, and as the inclined plane 21 forms 30 degrees along the horizontal surface of the length direction of the handle 1, the hot air discharged from the air outlet 8 is firstly diffused and then intersected at the position 15 cm-20 cm away from the air outlet, thereby improving the working reliability of the blower.
It should be appreciated that the invention provides a blowing device and a handheld blower, through setting up a plurality of air intakes 2 at stalk portion 1, the portion of blowing 3 sets up heating element 5, keep out wind subassembly 6 and fan subassembly 7, keep out wind subassembly 6 is located between heating element 5 and the fan subassembly 7, keep out wind subassembly 6 includes circular gland 9, be equipped with around the centre of a circle of circular gland 9 and be used for changing the ring arch 10 of the flow direction of leading in air by fan subassembly 7, heating element 5 handles the air back discharge of leading by keep out wind subassembly 7 to air outlet 8, adopt brushless motor 13 to introduce air into casing 4, form non-negative pressure chamber 14 between circular arch 10 and the brushless motor 13, can accelerate the air leading-in speed, circular gland 9 can change the flow direction of leading in air of brushless motor 13, thereby dispel the heat to 13 work and produce, adopt seal fixation between fan subassembly 7 and the casing 4, circular gland 9 and cavity erection column 17 detachable connection, heating bin 18 is located around cavity erection column 17 and set up heater wire 19 in heating bin 18, can carry out the effective heating to the air that is handled by fan subassembly 6, the air back to air, the efficiency of hoisting device work is promoted, and thermal baffle cover and thermal insulation 9 and the flow direction of air can be extended along the air outlet 21 is along the horizontal direction of the air outlet 21 of the horizontal direction of the horizontal extension of the hollow air blower 8 is improved, thereby the convenient and the level of the air blower is extended from the setting up in the slope of the air outlet 21.
Any particular values in all examples shown and described herein are to be construed as merely illustrative and not a limitation, and thus other examples of exemplary embodiments may have different values.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
The above examples merely represent a few embodiments of the present invention, which are described in more detail and are not to be construed as limiting the scope of the present invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (4)
1. A blowing apparatus, characterized by comprising:
The handle part comprises an air inlet;
The air blowing part is connected with the handle and comprises a shell, a heating component arranged in the shell, a wind shielding component connected with one end of the heating component, a fan component arranged in the shell and corresponding to the wind shielding component, and an air outlet positioned at the other end of the heating component, wherein the wind shielding component comprises a circular gland, circular ring bulges which are arranged around the circle center of the circular gland and used for changing the flow direction of air guided by the fan component are arranged around the circle center of the circular gland, and the heating component processes the air guided by the wind shielding component to be discharged to the air outlet;
the heating assembly comprises a hollow mounting column connected with the round gland, a heating bin positioned around the hollow mounting column and a heating wire which is annularly arranged on the hollow mounting column and positioned in the heating bin; a plurality of limit posts which are correspondingly spliced with the hollow mounting posts are arranged on the round press cover; the diameter of the circular gland is larger than that of the hollow mounting column; the hollow mounting column is provided with an inclined plane extending along the air outlet, and the inclined plane is 30 degrees along the horizontal surface of the length direction of the handle; the fan assembly comprises a baffle plate arranged on the shell, a limiting ring arranged on the baffle plate and a brushless motor positioned in the limiting ring; one end of the brushless motor and the inner side of the circular ring bulge close to the center of the circular gland are sunken to form a non-negative pressure cavity, and the other end of the brushless motor is embedded on the baffle plate;
The circular ring bulge is not overlapped with orthographic projection of the circular gland on the plane direction of the air outlet, the distance between the circular gland and the plane of the air outlet is smaller than the distance between the bulge of the circular ring bulge and the plane of the air outlet, the distance between the circle center of the circular ring bulge and the plane of the air outlet is smaller than the distance between the bulge of the circular ring bulge and the plane of the air outlet, the diameter of the circular gland is larger than the diameter of the circular ring bulge, and the wind shielding assembly is M-shaped along the plane of the air outlet.
2. A blowing device according to claim 1, wherein the stop collar is further provided with a first circuit board for controlling the operation of the brushless motor, and a cover plate disposed between the baffle plate and the housing.
3. A blowing device according to claim 1, further comprising a filter screen provided on the housing and located at the outlet.
4. A hand-held hair dryer comprising a blowing device according to any of claims 1-3 and a second circuit board located in the handle, and a key arranged on the handle and connected to the second circuit board, the second circuit board being located between the key and the air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310518552.0A CN116391953B (en) | 2023-05-10 | 2023-05-10 | Blowing device and handheld hair dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310518552.0A CN116391953B (en) | 2023-05-10 | 2023-05-10 | Blowing device and handheld hair dryer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116391953A CN116391953A (en) | 2023-07-07 |
| CN116391953B true CN116391953B (en) | 2024-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310518552.0A Active CN116391953B (en) | 2023-05-10 | 2023-05-10 | Blowing device and handheld hair dryer |
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| Country | Link |
|---|---|
| CN (1) | CN116391953B (en) |
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| US20220163046A1 (en) * | 2020-11-23 | 2022-05-26 | Mitsubishi Electric Us, Inc. | Air handler blower and method of oerating the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203874592U (en) * | 2014-06-04 | 2014-10-15 | 杭州海米科技有限公司 | Air purifier |
| CN107105859A (en) * | 2014-12-16 | 2017-08-29 | 克劳迪奥·索雷西纳 | Hair-dryer with motor |
| CN207428677U (en) * | 2017-05-12 | 2018-06-01 | 东莞力禾电器有限公司 | A kind of noise reduction air inlet structure of hair-dryer |
| KR102044975B1 (en) * | 2019-03-08 | 2019-11-14 | 주식회사 로이테크 | Dual discharging hair dryer |
| CN113040498A (en) * | 2019-12-26 | 2021-06-29 | 添可智能科技有限公司 | Hair drier |
| CN111557539A (en) * | 2020-06-30 | 2020-08-21 | 新联电器厂有限公司 | Hair drier |
| CN214509932U (en) * | 2020-08-07 | 2021-10-29 | 焕醒科技（杭州）有限公司 | Novel hair drier |
| CN213908941U (en) * | 2020-09-29 | 2021-08-10 | 上海飞科电器股份有限公司 | Hand-held hair drier |
| CN217446937U (en) * | 2021-11-19 | 2022-09-20 | 珠海新秀丽家居用品有限公司 | Far infrared heating hair care physiotherapy device |
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|---|---|
| CN116391953A (en) | 2023-07-07 |
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