CN211039166U

CN211039166U - Do benefit to radiating hair-dryer

Info

Publication number: CN211039166U
Application number: CN201921949629.5U
Authority: CN
Inventors: 郭小伟; 程添海; 廖科
Original assignee: Zhongshan Huangpu Raytech Electrical Appliance Manufacturing Co ltd
Current assignee: Zhongshan Huangpu Raytech Electrical Appliance Manufacturing Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-07-17
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a do benefit to radiating hair-dryer, include: the fan comprises a handle and a fan body arranged on the handle, wherein a first air inlet and an air outlet are formed in the fan body, and a main fluid channel is formed by communicating the first air inlet and the air outlet. The hair-dryer of above structure carries out the heat exchange through the air current of assisting on the fluid passage to the circuit board, utilizes the original power of hair-dryer to dispel the heat to the circuit board in the handle ingeniously to make the hair-dryer realize better radiating effect, through first air intake and second air intake two air intakes, the noise that produces when can reduce the air inlet to a certain extent.

Description

Do benefit to radiating hair-dryer

Technical Field

The utility model relates to a do benefit to radiating hair-dryer.

Background

The hair dryer is a necessity in daily life of people and is mainly used for hair drying and hair shaping. The general hair drier comprises a handle for being held by hands and a fan body pivoted on the handle, wherein the fan body comprises a shell, a heating wire and a fan blade driving assembly, an air inlet and an air outlet are formed in two ends of the shell respectively, and a circuit board electrically connected with the fan blade driving assembly and the heating wire is arranged inside the handle.

In the course of the work of hair-dryer, the circuit board can produce certain heat, and the inside of handle is confined, and mutual independence between handle and the fan main part, the heat that the circuit board produced then gathers inside the handle and is difficult to distribute away rapidly, leads to the circuit board overheated, influences the normal work of hair-dryer, burns out the circuit board even.

And the fan blade driving assembly comprises a motor and a fan blade connected with the motor, the fan blade is close to the air inlet and takes the advancing direction of the air flow as the front, the motor is positioned behind the fan blade, the electric connection terminal of the motor is positioned behind the whole motor, and the air flow cannot positively dissipate heat of the electric connection terminal of the motor when passing through the fan blade driving assembly.

Secondly, the size of air intake receives the restriction of fan main part size, leads to the air intake less, and the gas velocity of flow near the air intake is too fast, produces great noise easily.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a hair drier which is beneficial to heat dissipation.

The utility model provides a technical scheme that its technical problem adopted is:

a blower for facilitating heat dissipation, comprising: the fan comprises a handle and a fan body arranged on the handle, wherein a first air inlet and an air outlet are formed in the fan body, a main fluid channel is formed by communicating the first air inlet and the air outlet, the fan is characterized in that a second air inlet is formed in the handle, a bypass channel used for communicating the second air inlet with the main fluid channel is formed between the handle and the fan body, an auxiliary fluid channel is formed by communicating the second air inlet with the air outlet, a circuit board is arranged in the handle, and part or all of the circuit board is positioned on a fluid track of the auxiliary fluid channel.

The utility model discloses an in some embodiments, the handle pin joint is in the fan main part, bypass passageway set up in the handle with pin joint department between the fan main part avoids establishing in addition the spare part that has bypass passageway, reduces the number of spare part, reduces the equipment process, simplifies the structure of hair-dryer.

The utility model discloses an in some embodiments, the inside of fan main part is equipped with and is located fan blade drive assembly on the main fluid channel, some air currents on the supplementary fluid channel can be followed fan blade drive assembly's side and bottom surface process utilize and assist fluid channel to take away the heat that is produced by fan blade drive assembly's side and bottom surface.

The utility model discloses an in some embodiments, first air intake is seted up in the one end of fan main part, the second air intake is seted up in the handle is close to the one end of first air intake to reduce from the inspiratory gaseous power loss of second air intake, ensure assist fluid passage's velocity of flow dispels the heat to the circuit board fast.

The utility model discloses an in some embodiments, first air intake is seted up in the one end of fan main part, the circuit board extends along the length direction of handle, the second air intake is seted up in the handle is kept away from the one end of first air intake, in these embodiments, get into the bypass passageway after the length direction of second air intake inspiratory gas along the circuit board flows, can dispel the heat to the most area of circuit board.

In some embodiments of the present invention, the handle includes a first cylinder having a straight cylinder shape, the blower main body includes a second cylinder having a straight cylinder shape, a side surface of an upper portion of the first cylinder is pivotally connected to a side surface of an upper portion of the second cylinder through a pivot assembly, and an inside of the pivot assembly is hollow to form the bypass passage. The second barrel can rotate certain angle and switch operating condition relative to first barrel, and the second barrel can be parallel and form the state of accomodating relative to first barrel, and hair-dryer compact structure under this state of accomodating occupies less storage space, portable and use.

In some embodiments of the present invention, the pivot assembly further includes a gear mechanism for adjusting the relative rotation angle between the first cylinder and the second cylinder, and the gear mechanism is used to adjust different relative rotation angles to realize different working states.

In some embodiments of the present invention, the pivot assembly includes a hollow pivot portion and a shaft hole portion matching with the pivot portion, one of the pivot portion and the shaft hole portion is disposed on the first cylinder, and the other is disposed on the second cylinder, the gear mechanism includes an elastic locking member disposed on the pivot portion and at least two locking grooves disposed in the shaft hole portion and matching with the elastic locking member, and when the first cylinder rotates relative to the second cylinder, the elastic locking member can be disengaged from the corresponding locking groove and enter the other locking groove. The gear mechanism is simple in structure and convenient to operate.

In some embodiments of the present invention, the height of the first cylinder is equal to that of the second cylinder, and the whole body formed by the first cylinder, the second cylinder and the pivot assembly is H-shaped, so as to further reduce the storage space of the hair dryer, and facilitate storage or carrying.

The utility model discloses an in some embodiments, the both ends of second barrel are located respectively to first air intake, air outlet department demountable installation has second barrel pivoted air outlet relatively, through rotating the wind direction of the adjustable combustion gas of air outlet.

Has the advantages that: the hair-dryer of above structure sets up the second air intake on the handle, and set up the bypass passageway that is used for communicateing second air intake and main fluid passage between handle and fan main part, when the hair-dryer uses, main fluid passage carries the air current, the intersection of bypass passageway and main fluid passage forms the negative pressure, during external gas converges main fluid passage through second air intake and bypass passageway, then discharge from the air outlet, at this in-process, the air current on the supplementary fluid passage carries out the heat exchange to the circuit board, thereby utilize the original power of hair-dryer to dispel the heat to the circuit board in the handle ingeniously, thereby make the hair-dryer realize better radiating effect, and external gas gets into from first air intake and second air intake two, the velocity of flow of having avoided the air inlet air current is too fast, the noise that produces when can reduce the air inlet to a certain extent.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is an external view schematically showing a hair dryer of the present invention in a stored state;

FIG. 2 is a schematic view of the internal structure of FIG. 1;

FIG. 3 is a schematic view of the internal structure of the first cylinder separated from the second cylinder;

FIG. 4 is a schematic external view of the blower of FIG. 1 in a first operating state;

figure 5 is a schematic external view of the blower of figure 1 in an operating condition two.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

Referring to fig. 1 and 2, the present invention provides a blower facilitating heat dissipation, including: the fan comprises a handle 10 and a fan main body 20 arranged on the handle 10, wherein a first air inlet 21 and an air outlet 22 are arranged on the fan main body 20, a main fluid channel is formed by communicating the first air inlet 21 and the air outlet 22, a second air inlet 11 is arranged on the handle 10, a bypass channel 301 for communicating the second air inlet 11 with the main fluid channel is arranged between the handle 10 and the fan main body 20, an auxiliary fluid channel is formed by communicating the second air inlet 11 with the air outlet 22, a circuit board 4 is arranged in the handle 10, and part or all of the circuit board 4 is positioned on a fluid track of the auxiliary fluid channel. The blower with the above structure is provided with the second air inlet 11 on the handle 10, and the bypass passage 301 for communicating the second air inlet 11 with the main fluid passage is arranged between the handle 10 and the blower main body 20, when the hair dryer is used, the main fluid channel conveys airflow, negative pressure is formed at the intersection of the bypass channel 301 and the main fluid channel, external air is converged into the main fluid channel through the second air inlet 11 and the bypass channel 301 and then is discharged from the air outlet 22, in the process, the air flow on the auxiliary fluid channel carries out heat exchange on the circuit board 4, thereby skillfully utilizing the original power of the blower to carry out heat dissipation on the circuit board 4 in the handle 10, thereby make the hair-dryer realize better radiating effect, outside gas gets into from first air intake 21 and second air intake 11 two places moreover, has avoided the velocity of flow of air inlet air current too fast, the noise that produces when can reducing the air inlet to a certain extent.

Referring to fig. 2, in some embodiments of the present invention, the handle 10 is pivotally connected to the blower main body 20, and the bypass channel 301 is disposed at the pivot between the handle 10 and the blower main body 20, so as to avoid additional components with the bypass channel 301, reduce the number of components, reduce the assembly process, and simplify the structure of the blower.

Referring to fig. 2, in some embodiments of the present invention, the fan main body 20 is provided with a fan blade driving assembly 5 inside the main fluid channel, and a part of the airflow on the auxiliary fluid channel can pass through the side surface and the bottom surface of the fan blade driving assembly 5, and the heat generated by the side surface and the bottom surface of the fan blade driving assembly 5 is taken away by the auxiliary fluid channel. The fan blade driving assembly 5 comprises a motor and fan blades (not shown in the figure) arranged on the motor, the fan blades are close to the first air inlet 21, electric terminals of the motor are led out from the lower part of the motor and fixed on a wiring board, the wiring board is electrically connected with the circuit board 4, and the heat dissipation of the wiring board is facilitated by air flow passing through the auxiliary fluid channel.

Referring to fig. 2, in some embodiments of the present invention, the first air inlet 21 is disposed at one end of the fan main body 20, and the second air inlet 11 is disposed at one end of the handle 10 close to the first air inlet 21, so as to reduce the power loss of the air sucked from the second air inlet 11, ensure the flow velocity of the auxiliary fluid channel, and rapidly dissipate heat of the circuit board 4.

In some other embodiments of the present invention, the first air inlet 21 is provided at one end of the fan main body 20, the circuit board 4 extends along the length direction of the handle 10, the second air inlet 11 is provided at one end of the handle 10 far away from the first air inlet 21, in these embodiments, the gas sucked by the second air inlet 11 flows along the length direction of the circuit board 4 and then enters the bypass channel 301, so as to dissipate heat of most area of the circuit board 4.

Referring to fig. 2, in some embodiments of the present invention, the handle 10 includes a first cylinder 101 having a straight cylinder shape, the blower main body 20 includes a second cylinder 201 having a straight cylinder shape, a side surface of an upper portion of the first cylinder 101 is pivotally connected to a side surface of an upper portion of the second cylinder 201 by a pivot assembly 30, and an interior of the pivot assembly 30 is hollow to form the bypass passage 301. The second barrel 201 can rotate a certain angle relative to the first barrel 101 to switch the working state, referring to fig. 1, the second barrel 201 can be parallel to the first barrel 101 to form a storage state, the hair dryer in the storage state has a compact structure, occupies a small storage space, and is convenient to carry and use.

Referring to fig. 3, in some embodiments of the present invention, the pivot assembly 30 is further provided with a shift mechanism 60 for adjusting the relative rotation angle between the first cylinder 101 and the second cylinder 201, and different working states are realized by adjusting different relative rotation angles with the shift mechanism.

In some embodiments of the present invention, the pivot assembly 30 includes a hollow pivot portion 31 and a shaft hole portion 32 matching with the pivot portion 31, one of the pivot portion 31 and the shaft hole portion 32 is disposed on the first cylinder 101, and the other is disposed on the second cylinder 201, the shift position mechanism 60 includes an elastic snap-in component 61 disposed on the pivot portion 31 and at least two snap-in grooves 62 disposed in the shaft hole portion 32 and matching with the elastic snap-in component 61, and when the first cylinder 101 rotates relative to the second cylinder 201, the elastic snap-in component 61 can be disengaged from the corresponding snap-in groove 62 and enter the other snap-in groove 62. The above shift mechanism 60 is simple in structure and convenient to operate. In this embodiment, the pivot portion 31 is disposed on the second cylinder 201, the shaft hole portion 32 is disposed on the first cylinder 101, two opposite elastic fastening members 61 are disposed on the pivot portion 31, three sets of slot sets are circumferentially distributed on an inner wall of the shaft hole portion 32, each set of slot set has two opposite slots 62, the two opposite slots 62 correspond to the two opposite elastic fastening members 61, and an included angle between the two adjacent sets of slot sets is 45 °.

In some embodiments of the present invention, referring to fig. 1, the heights of the first cylinder 101 and the second cylinder 201 are equal, and the whole body formed by the first cylinder 101, the second cylinder 201 and the pivot assembly 30 is H-shaped, so that the storage space of the hair dryer can be further reduced, and the hair dryer is convenient to store or carry.

In some embodiments of the present invention, the first air inlet 21 and the air outlet 22 are respectively disposed at two ends of the second cylinder 201, the air outlet 22 is detachably mounted with the air outlet nozzle 7 capable of rotating relative to the second cylinder 201, and the air direction of the exhaust gas can be adjusted by rotating the air outlet nozzle 7. When the blower body 20 rotates 45 ° with respect to the handle 10, the blower is configured to the operating state shown in fig. 4, in which the outlet 7 has a certain shaping effect on long hair, and when the blower body 20 rotates 90 ° with respect to the handle 10, the blower is configured to the operating state shown in fig. 5, which is a normal use state for drying hair.

The above embodiments are merely preferred embodiments of the present invention, and the present invention may also have other embodiments, such as reasonable combinations of the technical solutions recorded in the embodiments. Equivalent modifications or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalent modifications or substitutions are intended to be included within the scope of the claims set forth herein.

Claims

1. A blower for facilitating heat dissipation, comprising: the fan comprises a handle (10) and a fan main body (20) arranged on the handle (10), wherein a first air inlet (21) and an air outlet (22) are formed in the fan main body (20), and the first air inlet (21) and the air outlet (22) are communicated to form a main fluid channel, and the fan is characterized in that a second air inlet (11) is formed in the handle (10), a bypass channel (301) used for communicating the second air inlet (11) with the main fluid channel is formed between the handle (10) and the fan main body (20), an auxiliary fluid channel is formed between the second air inlet (11) and the air outlet (22), a circuit board (4) is arranged inside the handle (10), and part or all of the circuit board (4) is located on a fluid track of the auxiliary fluid channel.

2. A blower for facilitating heat dissipation as set forth in claim 1, wherein:

the handle (10) is pivoted on the fan main body (20), and the bypass channel (301) is arranged at the pivoting position between the handle (10) and the fan main body (20).

3. A blower for facilitating heat dissipation according to claim 1 or 2, wherein:

the fan is characterized in that a fan blade driving assembly (5) positioned on the main fluid channel is arranged in the fan main body (20), and partial air flow on the auxiliary fluid channel can pass through the side surface and the bottom surface of the fan blade driving assembly (5).

4. A blower for facilitating heat dissipation as set forth in claim 3, wherein:

the first air inlet (21) is formed in one end of the fan main body (20), and the second air inlet (11) is formed in one end, close to the first air inlet (21), of the handle (10).

5. A blower for facilitating heat dissipation as set forth in claim 3, wherein:

first air intake (21) set up in the one end of fan main part (20), circuit board (4) extend along the length direction of handle (10), second air intake (11) set up in handle (10) are kept away from the one end of first air intake (21).

6. A blower for facilitating heat dissipation as set forth in claim 2, wherein:

the handle (10) comprises a first cylinder (101) in a straight cylinder shape, the fan main body (20) comprises a second cylinder (201) in a straight cylinder shape, the side surface of the upper part of the first cylinder (101) is pivoted with the side surface of the upper part of the second cylinder (201) through a pivot assembly (30), and the interior of the pivot assembly (30) is hollow to form the bypass channel (301).

7. A blower for facilitating heat dissipation as set forth in claim 6, wherein:

the pivot assembly (30) is further provided with a gear mechanism (60) for adjusting the relative rotation angle of the first cylinder (101) and the second cylinder (201).

8. A blower for facilitating heat dissipation as set forth in claim 7, wherein:

the gear mechanism (60) comprises an elastic clamping piece (61) arranged on the pivot part (31) and at least two clamping grooves (62) arranged in the shaft hole part (32) and matched with the elastic clamping piece (61), and when the first cylinder body (101) rotates relative to the second cylinder body (201), the elastic clamping piece (61) can be separated from the corresponding clamping groove (62) and enter the other clamping groove (62).

9. A blower for facilitating heat dissipation as set forth in claim 6, wherein:

the height of the first cylinder (101) is equal to that of the second cylinder (201), and the whole body formed by the first cylinder (101), the second cylinder (201) and the pivot assembly (30) is H-shaped.

10. A blower for facilitating heat dissipation as set forth in claim 6, wherein:

the first air inlet (21) and the air outlet (22) are respectively arranged at two ends of the second cylinder body (201), and the air outlet (22) is detachably provided with an air outlet nozzle (7) which can rotate relative to the second cylinder body (201).