CN217039197U

CN217039197U - Bladeless electric heating hair drier

Info

Publication number: CN217039197U
Application number: CN202220325313.4U
Authority: CN
Inventors: 马乾君
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-07-26
Anticipated expiration: 2032-02-18

Abstract

The utility model discloses a bladeless electric heating blower, which comprises a hot air generating main body and a handle part arranged at one side of the hot air generating main body; the heating core is arranged in the fixed seat in the hot air generating main body and used for heating the flowing air flow to form hot air; the motor is arranged in the center of the heating core, and a rotating shaft at one end of the motor is provided with a pressurizing fan blade; the net cover is arranged at one end of the hot air generation main body close to the supercharging fan blade, and an air inlet is formed in the net cover; the handle part is communicated with the hot air generation main body at a position corresponding to the pressurizing fan blade, and a PCB is arranged inside the handle part. The utility model discloses it is big to solve traditional hair-dryer wind speed low noise, and is unsafe, and weight is heavy, vibrates greatly, problem that the life-span is low.

Description

Bladeless electric heating blower

Technical Field

The utility model relates to an electric fan field specifically is a bladeless electric heat hair-dryer.

Background

The hair dryer is mainly used for drying and shaping hair, but also can be used for local drying, heating and physical therapy in laboratories, physical therapy rooms, industrial production, art designing and the like. Along with the development of society, make people have the condition to seek beauty, consequently more and more people like going to barbershop and manage the hair, the barbershop belongs to the service industry, consequently customer's demand is higher, barbershop is for improving quality of service, so need a high-quality hair-dryer, traditional hair-dryer weight is big, the balancing pole is not good, make hairstyler intensity of labour when using big, and traditional hair-dryer temperature and wind speed gear are few, the low noise of wind speed is big, the radiating effect is not good, the result of use is unsatisfactory.

SUMMERY OF THE UTILITY MODEL

The utility model provides a no leaf electric heat hair-dryer can solve traditional hair-dryer wind speed low noise big, and is unsafe, and weight is heavy, vibrates greatly, problem that the life-span is low.

In order to achieve the above purpose, the utility model provides a following technical scheme: the hot air generator comprises a hot air generating main body and a handle part arranged on one side of the hot air generating main body;

the heating core is arranged in a fixed seat in the hot air generating main body, an annular main flow passage is formed around the heating core, and air flow flowing through the main flow passage is heated to form hot air;

the motor is arranged in the center of the heating core, a rotating shaft at one end of the motor is provided with a pressurizing fan blade, and the center of the heating core forms a heat dissipation flow channel;

the net cover is arranged at one end, close to the supercharging fan blades, of the hot air generation main body, a circle of air inlets are formed in the periphery of the net cover, a primary net cover is arranged at the end of the net cover, and auxiliary air inlets are uniformly distributed in the primary net cover;

the other end of the hot air generating main body is provided with a circle of air outlets corresponding to the heating core, one end of the heating core is provided with an end cover corresponding to the motor, and the end cover is provided with heat dissipation holes;

the handle part is communicated with the inner cavity of the hot air generating main body through a communicating hole at a position corresponding to the pressurizing fan blade, and a PCB is arranged in the handle part.

Preferably, the heating core comprises a support frame, the support frame is positioned in the center of the interior of the heating core, and the motor is positioned in the support frame;

the mica inner cylinder is arranged on the outer side of the support frame, and a gap is reserved between the mica inner cylinder and the support frame;

the mica outer cylinder is arranged at the outer side of the mica inner cylinder, and an airflow flowing space is formed between the mica outer cylinder and the mica inner cylinder;

the mica support sheets are uniformly arranged around the circumferential outer side of the support frame and are used for supporting and connecting the mica inner cylinder and the mica support sheets;

the main heating wire is arranged in an airflow flowing space between the mica inner cylinder and the mica outer cylinder;

the thermal cut-off device and the thermal fuse are arranged in a gap between the mica inner cylinder and the supporting frame and used for overheat protection;

and the mica inner cylinder is also provided with a negative ion emitter and a temperature sensor.

Preferably, a silencing cover is arranged on one axial side of the supercharging fan blade, the silencing cover is conical, and an air inlet through hole is formed in the middle of the silencing cover.

Preferably, the supercharging fan blade comprises a conical base and a blade arranged on the upper side of the conical base in a spiral mode, a flow guide arc surface matched with the shape of the silencing cover is arranged on the outer edge of the blade, and a flow guide cover arranged along the edge of the blade is arranged between the silencing cover and the blade.

Preferably, a first suspension fixing piece is installed between one end, close to the supercharging fan blade, of the motor and the fixing seat, and a second suspension fixing piece is installed between the other end of the motor and the fixing seat.

Preferably, the middle part of the primary mesh enclosure is a transparent part, and a display screen is arranged in the primary mesh enclosure.

Preferably, one end of the handle part is provided with a through hole, and the through hole is provided with a power indicator lamp and an air outlet channel communicated with the inside of the handle part.

Preferably, the limit end ring is axially installed at the front end of the support frame, and one end of the mica support sheet is inserted into an axial slot on the limit end ring.

Preferably, the fan further comprises a motor pressure reduction heating wire which is arranged in an annular shape and is arranged on one side, close to the supercharging fan blade, of the main heating wire.

Preferably, the mica support sheet is provided with positioning grooves corresponding to the main heating wire and the motor step-down heating wire along the radial direction.

Preferably, a rubber block is installed at a position where the handle part is connected with the hot air generating body, and the heating wire silicon controlled rectifier on the PCB passes through the rubber block and extends into the hot air generating body.

Compared with the prior art, the beneficial effects of the utility model are that:

the double-path air outlet mode of the heat dissipation flow channel with the air flow dividing main flow channel and the handle portion is adopted, the service life is greatly prolonged, and meanwhile due to the fact that the pressurizing noise reduction device and the noise reduction cover are additionally arranged inside the main flow channel, the air outlet speed is improved, and meanwhile the noise of the whole machine is reduced. And secondly, the power system adopts a suspension fixing device, so that the vibration and noise of the work are greatly reduced, and the service life is greatly prolonged. The heating core has compact structure, high heating efficiency, and is quick and reliable; and the product weight is greatly reduced due to the adoption of a new structure. Secondly adopt double-deck air inlet structure and add and prevent pressing from both sides net and hair conditioner, improve user's use experience greatly.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

fig. 2 is a front sectional structure view of the hot air generating body of the present invention;

FIG. 3 is a three-dimensional structure view of the heating core of the present invention;

FIG. 4 is a partial structure view of the heating core of the present invention;

FIG. 5 is a partial structure view of the heating core of the present invention;

fig. 6 is a structural diagram of the supercharging fan blade of the present invention;

fig. 7 is a half-section structure view of the supercharging fan blade of the present invention;

FIG. 8 is an overall exploded view of the present invention;

FIG. 9 is an overall perspective view of the present invention;

FIG. 10 is a structural view showing an exploded handle of the present invention;

fig. 11 is a structural view of the wind generating body of the present invention in an exploded state;

fig. 12 is an overall outline structural view of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

As shown in fig. 1-6, the utility model provides a bladeless electric heating hair drier, which comprises:

the hot air generating body 1 and the handle part 2 arranged at one side of the hot air generating body 1, the PCB board 4 is arranged inside the handle part 2, a plurality of control buttons connected with the PCB board 4 are arranged on the side wall, the operation of the bladeless electric heating hair drier can be controlled, the hot air generating body 1 is used as a working body of the bladeless electric heating hair drier, cold air flow can be sucked in, hot air can be blown out, and the effect of the hair drier can be achieved,

specifically, the hot air generating body 1 includes a heating core 5 therein, and is disposed in a fixing base 13 inside the hot air generating body 1, an annular main flow passage is formed around the heating core 5, an air flow flowing through the main flow passage is heated to form hot air, and a heat dissipating flow passage is formed in the center of the heating core 5.

Still include motor 3, motor 3 set up the center at the core 5 that generates heat, the one end pivot of motor 3 install pressure boost fan blade 7, motor 3 can drive pressure boost fan blade 7 and carry out high-speed the rotation, including screen panel 6, screen panel 6 install the one end that is close to pressure boost fan blade 7 in hot-blast main part 1 that takes place, screen panel 6 on be provided with the air intake, the high-speed rotation of pressure boost fan blade 7 inhales outside air from the air intake to form high velocity air, from the transmission of the core 5 that generates heat, just can form the hot-blast that blows off from the one end of hot-blast main part 1.

The periphery of the mesh enclosure 6 is provided with a circle of air inlets 15, the end part of the mesh enclosure 6 is provided with a primary mesh enclosure 9, auxiliary air inlets 16 are uniformly distributed on the primary mesh enclosure 9, the air inlets 15 and the auxiliary air inlets 16 can ensure a large amount of air inlet of a blower, a space formed in the middle of the double-layer air inlet mesh enclosure can be provided with hair clamping prevention filter screen hair conditioner and the like, and a detachable cleaning structure is arranged in the double-layer air inlet structure, so that the use is convenient;

the other end of the hot air generating main body 1 is provided with a circle of air outlets 18 corresponding to the heating core 5, one end of the heating core 5 is provided with an end cover 17 corresponding to the motor 3, the end cover 17 is provided with heat dissipation holes,

the handle part 2 is communicated with the hot air generating main body 1 at a position corresponding to the pressurizing fan blade 7, so that a heat dissipation flow channel can be formed inside the handle part 2, and heat generated inside the handle part 2 can be removed when the electric heating fan operates to dissipate heat of a PCB.

In this embodiment, as shown in fig. 2 to 4, the heating core 5 includes a supporting frame 54, the supporting frame 54 is located at the inner center of the heating core, and the motor 3 is located in the supporting frame 54; the mica inner cylinder 52 is arranged on the outer side of the support frame 54, and a gap is reserved between the mica inner cylinder and the support frame 54; a mica outer cylinder 51 which is arranged outside the mica inner cylinder 52 and forms an airflow flowing space with the mica inner cylinder 52; the mica support sheets 55 are uniformly arranged around the circumferential outer side of the support frame 54, and the mica support sheets 55 are used for supporting and connecting the mica inner cylinder 52 and the mica support sheets 55; a main heating wire 53 disposed in an airflow space between the mica inner cylinder 52 and the mica outer cylinder 51; a thermal cut-off 59 and a thermal fuse 58 disposed in the gap between the mica inner tube 52 and the support bracket 54 for overheat protection; the mica inner cylinder 52 is also provided with a negative ion emitter and a temperature sensor 57, air flow can flow through the space between the mica inner cylinder 52 and the mica outer cylinder 51 and the gap between the mica inner cylinder 52 and the support frame 54, and the main heating wires 53 are densely arranged and can quickly heat the flowing air flow.

The thermal fuse 59 and the thermal fuse 58 can realize double protection, thereby preventing the motor from being burnt out due to overheating temperature and ensuring the service life.

The anion emitter is used for emitting anions, so that air blown out by the electric heating fan is provided with the anions, the protection of hair is facilitated, the temperature sensor 57 can monitor the temperature of the blown hot air, and the temperature can be displayed on the display.

In this embodiment, a silencing cover 8 is installed on one axial side of the pressurizing fan blade 7, the silencing cover 8 is conical, an air inlet through hole is formed in the middle of the silencing cover 8, the silencing cover 8 can reduce the squeal of airflow flowing through the pressurizing fan blade 7 when the pressurizing fan blade 7 rotates, and the pressurizing fan blade 7 can be enabled to bring the airflow into the handle portion 2 when the pressurizing fan blade rotates.

The supercharging fan blade 7 comprises a conical base 71 and blades 72 which are spirally arranged on the upper side of the conical base 71, the outer side edges of the blades 72 are provided with flow guide arc surfaces 73 matched with the shape of the silencing cover 8, wind flow can flow from narrow spaces formed between the blades 72 and the silencing cover 8, the supercharging effect is good, and due to the arrangement, the working noise is greatly reduced, the wind speed and the wind pressure of an air outlet are improved, so that hair can be dried more quickly.

As shown in fig. 7, a circle of flow guide covers is arranged on the upper side of the supercharging fan blade 7, an included angle between the flow guide covers and the central axis of the supercharging fan blade 7 is an angle a, an included angle between the blade 72 and the central axis of the supercharging fan blade 7 is an angle b, an included angle between the outer edge of the flow guide covers and the central axis of the supercharging fan blade 7 is an angle c, the angle a is 10-20 degrees larger than the angle b, the fan blade with the angle difference in the range can generate inlet air and outlet air to generate a large pressure difference, and therefore, the product airflow supercharging effect is achieved, the value of the angle c is 10-60 degrees, and the fan blade supercharging effect and the air volume are balanced.

The vanes 72 have 9 pieces, and the entirety of the vanes 72 is arranged in a spiral shape, and each vane 72 has an involute shape.

The end part of the outer edge of the silencing cover 8 is axially provided with a plurality of rubber blocks 20, and the rubber blocks 20 can play a role in shock absorption.

The direction of the airflow is as follows: the air current passes through the air inlet 15 and the auxiliary air inlet 16 and enters the supercharging fan blade 7, the high-speed high-pressure air current is ejected out of the annular main flow channel and the heat dissipation flow channel, and the annular main flow channel is internally provided with the silencing cover 8 with the supercharging and silencing functions.

In order to reduce the vibration of the motor during use, the motor 3 be close to and install first suspension mounting 10 between one end of pressure boost fan blade 7 and fixing base 13, the other end of motor 3 and fixing base 13 between install second suspension mounting 12, first suspension mounting 10 and second suspension mounting 12 have realized motor 3 and the flexible coupling and the fixed of core 5 that generates heat, play vibration and the noise that the buffering motor 3 during operation produced.

The end of the mesh enclosure 6 is provided with a primary mesh enclosure 9, the middle of the primary mesh enclosure 9 is a transparent part, the display screen 14 is arranged inside the primary mesh enclosure 9, the primary mesh enclosure 9 can be used for filtering, impurities are prevented from being sucked into the hot air generation main body 1, and the display screen 14 can display the temperature of blown hot air.

In this embodiment, a storage hanging hole 21 is provided at one end of the handle portion 2, a power indicator 22 is installed at the storage hanging hole 21, and an air outlet duct communicated with the inside of the handle portion 2 is provided, and the storage hanging hole 21 can be used as a hanging hole of a fan.

In this embodiment, the limit end ring 511 is axially mounted at the front end of the supporting frame 54, one end of the mica supporting sheet 55 is inserted into an axial slot on the limit end ring 511, and the limit end ring 511 has a positioning and guiding function.

The heating core 5 further comprises a motor step-down heating wire 56 which is arranged annularly and is installed on one side of the main heating wire 53 close to the supercharging fan blade 7.

In order to fix the heating wire better, the mica support plate 55 is provided with positioning slots 510 along the radial direction corresponding to the main heating wire 53 and the motor step-down heating wire 56.

In order to better dispel the heat to PCB board 4, handle portion 2 and the hot-blast position of taking place the main part 1 and being connected install rubber block 11, PCB board 4 on the heating wire silicon controlled rectifier pass rubber block 11 and extend to hot-blast inside taking place the main part 1, the inside air current of hot-blast main part 1 that takes place can dispel the heat to the heating wire silicon controlled rectifier.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless expressly specified otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Claims

1. A bladeless electric hair drier is characterized by comprising:

the hot air generating device comprises a hot air generating main body (1) and a handle part (2) arranged on one side of the hot air generating main body (1);

the heating core (5) is arranged in a fixed seat (13) in the hot air generating main body (1), an annular main flow passage is formed around the heating core (5), and air flow flowing through the annular main flow passage is heated to form hot air;

the motor (3) is arranged in the center of the heating core (5), a pressurizing fan blade (7) is installed on a rotating shaft at one end of the motor (3), and a heat dissipation flow channel is formed in the center of the heating core (5);

the hot air generation device comprises a mesh enclosure (6), wherein the mesh enclosure (6) is arranged at one end, close to a supercharging fan blade (7), of a hot air generation main body (1), a circle of air inlets (15) are formed in the periphery of the mesh enclosure (6), a primary mesh enclosure (9) is arranged at the end part of the mesh enclosure (6), and auxiliary air inlets (16) are uniformly distributed in the primary mesh enclosure (9);

the other end of the hot air generating main body (1) is provided with a circle of air outlets (18) corresponding to the heating core (5), one end of the heating core (5) is provided with an end cover (17) corresponding to the motor (3), and the end cover (17) is provided with heat dissipation holes;

the handle part (2) is communicated with the inner cavity of the hot air generating main body (1) through a communicating hole at a position corresponding to the pressurizing fan blade (7), and a PCB (printed circuit board) is arranged inside the handle part (2).

2. The bladeless electric hair dryer of claim 1, wherein: the heating core (5) comprises a support frame (54), the support frame (54) is positioned in the center of the interior of the heating core, and the motor (3) is positioned in the support frame (54);

the mica inner cylinder (52) is arranged on the outer side of the support frame (54), and a gap is reserved between the mica inner cylinder and the support frame (54);

a mica outer cylinder (51) which is arranged outside the mica inner cylinder (52) and forms an airflow flowing space with the mica inner cylinder (52);

the mica support sheets (55) are uniformly arranged around the circumferential outer side of the support frame (54), and the mica support sheets (55) are used for supporting and connecting the mica inner cylinder (52) and the mica support sheets (55);

a main heating wire (53) arranged in an airflow flowing space between the mica inner cylinder (52) and the mica outer cylinder (51);

a thermal cut-off (59) and a thermal fuse (58) which are arranged in a gap between the mica inner cylinder (52) and the supporting frame (54) and are used for overheat protection;

and the mica inner cylinder (52) is also provided with a negative ion emitter and a temperature sensor (57).

3. The bladeless electric hair dryer of claim 1, wherein: and a silencing cover (8) is arranged on one axial side of the pressurizing fan blade (7), the silencing cover (8) is conical, and an air inlet through hole is formed in the middle of the silencing cover.

4. The bladeless electric hair dryer of claim 3, wherein: the supercharging fan blade (7) comprises a conical base (71) and blades (72) which are arranged on the upper side of the conical base (71) in a spiral mode, a flow guide arc surface (73) matched with the shape of the silencing cover (8) is arranged on the outer side edge of each blade (72), and a flow guide cover (19) arranged along the edge of each blade (72) is arranged between the silencing cover (8) and each blade (72).

5. The bladeless electric hair dryer of claim 1, wherein: the motor (3) be close to between the one end of pressure boost fan blade (7) and fixing base (13) install first suspension mounting (10), the other end of motor (3) and fixing base (13) between install second suspension mounting (12).

6. The bladeless electric hair dryer of claim 1, wherein: the middle part of the primary mesh enclosure (9) is a transparent part, and a display screen (14) is arranged in the primary mesh enclosure.

7. The bladeless electric hair dryer of claim 1, wherein: one end of the handle part (2) is provided with a storage hanging hole (21), the storage hanging hole (21) is provided with a power indicator lamp (22) and an air outlet channel communicated with the interior of the handle part (2).

8. The bladeless electric hair dryer of claim 2, wherein: the limiting end ring (511) is axially installed at the front end of the supporting frame (54), one end of the mica supporting sheet (55) is inserted into an axial slot on the limiting end ring (511), and a positioning groove (510) corresponding to the main heating wire (53) and the motor step-down heating wire (56) is arranged along the radial direction of the mica supporting sheet (55).

9. The bladeless electric hair dryer of claim 2, wherein: the fan blade type fan.

10. The bladeless electric hair dryer of claim 1, wherein: the hot-blast position of taking place main part (1) connection of handle portion (2) install rubber block (11), PCB board (4) on the heater silicon controlled rectifier pass rubber block (11) and extend to inside hot-blast main part (1) of taking place.