CN216059525U - Electric hair drier with waterproof structure base - Google Patents

Abstract

The utility model relates to the technical field of electric hair dryers, in particular to an electric hair dryer with a waterproof structure base, which comprises an air duct main body, a handle, a battery and a charging base, wherein the air duct main body is provided with a water inlet and a water outlet; the handle is connected with the bottom of the air duct main body; the handle is internally provided with a first accommodating cavity, and the battery is arranged in the first accommodating cavity. Compared with the prior art, the safe and explosion-proof electric hair drier with the waterproof structure base has the advantages that the bottom of the air duct main body is connected with the handle, the battery is accommodated in the first accommodating cavity in the handle, and in order to avoid potential safety hazards caused by water flowing into the charging base during charging, the protruding boss is arranged at the center of the bottom of the charging base, and the charging interface is arranged on the boss to form an island structure, so that when charging is carried out, water flows into the charging base timely, safety problems can be avoided, and use safety is improved.

Description

Electric hair drier with waterproof structure base

Technical Field

The utility model relates to the technical field of electric hair dryers, in particular to an electric hair dryer with a waterproof structure base.

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. The hair dryer is composed of a shell, a handle, a motor, a fan blade, an electric heating element, a switch, a power supply and other parts, although the hair dryer is various in types and different in structure. In order to be convenient to use, along with the technical progress, the movable hair drier is popular, and has the advantages of being convenient to carry and capable of being used in a power-free environment.

For example, a multifunctional movable hair drier disclosed in patent CN204378244U (published as 2015, 6 months and 10 days) comprises a shell, a blowing pipe, a handle, heating wires, a fan, a motor, an air inlet, a mirror, a power supply, a comb placing groove, a switch and a folding comb, wherein the blowing pipe is arranged at the front end of the shell, the air inlet is formed in the tail end of the shell, the mirror is arranged outside the air inlet, the fan is arranged on the front side of the air inlet and connected with a rotating shaft of the motor, the motor is connected with the power supply through a lead, and the heating wires are arranged on the front side of the fan and connected with the power supply through leads; the power supply is arranged in the handle, and the handle is arranged at the bottom of the shell. The product is internally provided with a rechargeable power supply, has various functions, is convenient to carry, and greatly facilitates outdoor appearance arrangement. Generally, similar to a mobile hair dryer equipped with a charging base, since the hair dryer is generally used for air drying an article or hair, it is often applied in an aquatic environment, and thus, it is easy to get water to have a bad influence on the charging contact.

In summary, the waterproof problem of the charging base is not considered in the prior art, and the utility model aims to improve the waterproof problem of the charging base of the electric hair drier.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects in the prior art, the utility model provides the electric hair drier with the waterproof structure base, which comprises an air duct main body, a handle, a battery and a charging base, wherein the air duct main body is provided with a water inlet and a water outlet;

the handle is connected with the bottom of the air duct main body;

the handle is internally provided with a first accommodating cavity, and the battery is arranged in the first accommodating cavity;

the base that charges has the holding tank, the holding tank is used for holding the handle, the center of holding tank bottom is equipped with outstanding boss, be equipped with on the boss be used for with handle electric contact's the interface that charges.

In an embodiment, a drain opening is further formed in the bottom of the accommodating groove and is formed in the side edge of the boss.

In one embodiment, the horizontal cross-sectional profile of the accommodating groove is a centrosymmetric pattern;

the charging interface is of a centrosymmetric structure, and the symmetric center of the charging interface is located on the symmetric axis of the accommodating groove.

In one embodiment, the receiving groove has a shape that matches the shape of the portion of the handle that is received.

In an embodiment, the handle bottom is provided with an explosion-proof pressure relief structure, the explosion-proof pressure relief structure comprises a pressure relief opening and an easy-to-remove cover, the pressure relief opening is formed in the handle bottom, the pressure relief opening is communicated with the first accommodating cavity and the outside of the handle, the easy-to-remove cover is movably connected with the handle and covers the pressure relief opening, and the pressure threshold value of the easy-to-remove cover falling is lower than the strength of the handle side wall.

In one embodiment, a buckle structure is arranged on the easy-to-remove cover, and the easy-to-remove cover is connected with the handle through the buckle structure.

In one embodiment, a battery fixing frame is arranged in the handle, and a plurality of reinforcing rib structures are arranged on the side wall of the battery fixing frame.

In one embodiment, an air duct, a motor, an impeller and a heating device are arranged in the air duct main body;

and one end part of the air duct is defined as an air outlet, the other end part of the air duct is defined as an air inlet, the impeller is arranged at the air inlet, the motor and the heating device are sequentially arranged in the air duct along the direction from the air inlet to the air outlet, and an output shaft of the motor is connected with the impeller.

In an embodiment, a first air guiding hole is formed in the air duct, the first air guiding hole is formed in the bottom of the air duct close to one side of the handle, the first air guiding hole is located between the impeller and the heating device, one end of the first air guiding hole faces the impeller, and the other end of the first air guiding hole faces the first accommodating cavity;

and the bottom of the handle is provided with an exhaust hole which is communicated with the first accommodating cavity and the outside of the handle.

In an embodiment, a second air guiding hole and a third air guiding hole are formed in the air duct, the second air guiding hole and the third air guiding hole are both located between the impeller and the heating device, the second air guiding hole is arranged on a side close to the impeller relative to the third air guiding hole, one end of the second air guiding hole faces the impeller, the other end of the second air guiding hole faces the first accommodating cavity, and one end of the third air guiding hole faces the heating device.

Based on the above, compared with the prior art, the electric hair drier with the waterproof structure base provided by the utility model has the advantages that the bottom of the air duct main body is connected with the handle, the battery is accommodated in the first accommodating cavity in the handle, and in order to avoid potential safety hazards caused by water flowing into the charging base during charging, the protruding boss is arranged at the center of the bottom of the charging base, and the charging interface is arranged on the boss to form an island structure, so that when charging is carried out, water flows into the charging base in time, the safety problem can be avoided, and the use safety is improved.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts; in the following description, the drawings are illustrated in a schematic view, and the drawings are not intended to limit the present invention.

Fig. 1 is a schematic sectional front view of a charging base of an electric hair dryer with a waterproof base according to the present invention;

FIG. 2 is a schematic top view of an exemplary charging base;

FIG. 3 is a schematic view of an explosion-proof pressure relief structure according to an embodiment;

FIG. 4 is an enlarged view of a portion of the area A in FIG. 3;

FIG. 5 is a schematic cross-sectional front view of a handle and a cartridge body according to an embodiment;

FIG. 6 is a schematic view of the first air guiding hole and the air outlet according to the first preferred embodiment;

FIG. 7 is a schematic view of a second air guiding hole and a third air guiding hole in accordance with a second preferred embodiment.

Reference numerals:

10 air duct main body 11 air duct 111 air outlet

112 air inlet 113, first air guide hole 114 and second air guide hole

115 third air guiding hole 12 motor 13 impeller

14 heating device 20 handle 21 first receiving chamber

22 battery fixing frame 23 reinforcing rib structure 24 exhaust hole

30 battery 40 explosion-proof pressure relief structure 41 pressure relief opening

42 easy-to-remove cover 42a buckle structure 50 charging base

51-accommodating groove 52 charging interface 53 boss

54 water outlet

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments; the technical features designed in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be noted that all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs, and are not to be construed as limiting the present invention; it will be further understood that terms used herein should be interpreted as having a meaning that is consistent with their meaning in the context of this specification and the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Because the hairdryer is generally used for air-drying article or hair, often is applied to there being the water environment in, consequently can intake the possibility great in holding tank 51, and then causes the emergence of the circumstances such as short circuit, the electric leakage of charging circuit contact, for solving above-mentioned problem this embodiment is solved through following structure.

As shown in fig. 1, 2 and 5, the utility model provides a safe and explosion-proof electric hair dryer, which comprises a dryer main body 10, a handle 20, a battery 30 and a charging base 50; the handle 20 is connected with the bottom of the air duct main body 10; the handle 20 is internally provided with a first accommodating cavity 21, and the battery 30 and the circuit board are arranged in the first accommodating cavity 21;

specifically, as shown in fig. 5, an air duct 11, a motor 12, an impeller 13 and a heating device 14 are arranged in the air duct main body 10 in the present embodiment; an air outlet 111 and an air inlet 112 are defined as one end portion of the air duct 11, the impeller 13 is disposed at the air inlet 112, a motor 12 and a heating device 14 are sequentially disposed in the air duct 11 along the direction from the air inlet 112 to the air outlet 111, and an output shaft of the motor 12 is connected to the impeller 13. The heating device 14 is an electric heating coil or other heating structure commonly used in the art, and will not be described in detail.

As shown in fig. 1 and 2, the portable electronic device further includes a charging base 50, the charging base 50 has a receiving groove 51, the receiving groove 51 is used for receiving the handle 20, the shape of the receiving groove 51 matches with the partial shape of the handle 20, and correspondingly, a charging interface 52 is arranged in the receiving groove 51, and a second charging interface is also arranged at the corresponding position of the handle 20.

Specifically, as shown in fig. 1, a protruding boss 53 is disposed at the center of the bottom of the receiving groove 51, the charging interface 52 is disposed on the boss 53, and an island structure is formed by disposing the charging interface 52 on the boss 53, so that the charging interface 52 is located at a position relatively higher than the peripheral region thereof.

Preferably, in order to prevent the accumulated water from forming in the receiving groove 51 of the charging base 50, as shown in fig. 1, a drain port 54 is further provided at the bottom of the receiving groove 51, and the drain port 54 is provided at the side of the boss 53 for draining the water falling into the receiving groove 51.

In the embodiment, the boss 53 protruding relatively is arranged at the center of the bottom of the accommodating groove 51, and the charging interface 52 is arranged on the boss 53 to prevent the boss 53 from being damaged due to long-term water immersion. Water accumulation in the tank is further prevented by a drain port 54 provided at the bottom of the housing tank 51.

In practical use, the battery 30 drives the motor 12 to drive the impeller 21 to rotate and blow air, and the air generated by the impeller 21 passes through the heating device 14, so that the present embodiment can blow out hot air. When charging is needed, the handle 20 is placed into the receiving groove 51, so that the charging interface 52 on the receiving groove 51 is contacted with the second charging interface on the handle for charging. The charging interface 52 in this embodiment is a probe type charging interface, and the second charging interface is a corresponding pin slot.

Generally, when charging, the handle 20 needs to be placed in the receiving slot 51 for charging, and the electric hair dryer needs to be oriented to a specific direction to make the charging interface 52 and the second charging interface contact, which causes inconvenience in use and easily causes errors such as incorrect placement direction and non-charging. In this regard, the problem is solved in some embodiments by the following structure.

In addition to the above embodiment, as shown in fig. 2, in a top view, the receiving groove 51 has a central symmetrical structure, that is, a cross-sectional profile of the receiving groove 51 in a horizontal direction is a central symmetrical pattern, and since a portion of the handle 20 to be received matches a shape of the receiving groove 51, the portion of the handle 20 to be received also has a central symmetrical structure. And the charging interface 52 is arranged at the central position of the bottom of the accommodating groove 51, and the charging interface 52 has a central symmetrical structure and the symmetrical center is on the symmetrical axis of the accommodating groove 51.

Preferably, the charging interface 52 includes 4 charging probes arranged in a matrix, and the second charging interface on the handle 20 has four charging pin slots arranged at the same interval as the charging probes.

Preferably, the combined portion of the handle 20 and the receiving groove 51 in this embodiment may be configured as a rotator structure with a round cross section, so as to further improve the diversity of the charging placement angles.

When charging, the hairdryer main part can be rotated 180 degrees and placed, and the interface 52 that charges and the second interface that charges still can form the charge mode of return circuit contact, have increased the charge of this embodiment and have placed the angle, supply the user to select according to actual conditions's convenience, have realized the charge mode that just anti-direction all can.

In addition, because there is built-in battery, the product still can have the hidden danger of battery explosion, in order to reduce the injury that this potential safety hazard probably caused, the potential safety hazard of battery is reduced through the structure to this embodiment.

As shown in fig. 3, an explosion-proof pressure relief structure 40 is disposed at the bottom of the handle 20, the explosion-proof pressure relief structure 40 includes a pressure relief opening 41 and an easy-to-remove cover 42, the pressure relief opening 41 is disposed at the bottom of the handle 20, the pressure relief opening 41 communicates with the first accommodating cavity 21 and the outside of the handle 20, the easy-to-remove cover 42 is movably connected to the handle 20 and covers the pressure relief opening 41, and a pressure threshold value of the easy-to-remove cover 42 falling off is lower than the strength of the side wall of the handle 20.

Handle 20 structure as an organic whole, handle 20's bottom sets up explosion-proof pressure relief structure 40, explosion-proof pressure relief structure 40 includes pressure release opening 41, and the easy lid 42 that takes off that the activity set up seals up pressure release opening 41 and forms airtight space, first holding chamber 21 internal pressure surge when battery 30 will explode, because easily take off lid 42 and handle 20 are swing joint, consequently, the separation from of easy lid 42 makes the pressure threshold value that pressure release opening 41 opened be less than handle 20's handle body lateral wall intensity, consequently, play the effect of pressure release protection handle 20, effectively protect handheld position, reduce the damage because of the accident causes.

Preferably, as shown in fig. 4, the pressure relief opening 41 is an opening formed in the bottom of the handle 20, the easy-to-remove cap 42 is provided with a snap structure 42a, the snap structure 42a is a ring of protruding structure formed on the easy-to-remove cap 42, the size of the protruding structure is larger than that of the pressure relief opening 41, the easy-to-remove cap is snapped in the bottom of the pressure relief opening 41 through the snap structure 42a, and when the internal pressure of the easy-to-remove cap 42 is too high, the easy-to-remove cap is disengaged from the pressure relief opening 41 to release the pressure, thereby protecting the holding portion of the handle 20. Preferably, the easy-to-detach cover 42 may be hinged to the handle 20 at one end and clamped to the handle 20 at the other end by a clamping structure 42 a.

Preferably, as shown in fig. 5, the battery 30 is fixed inside the handle 20 by a battery holder 22, the battery holder 22 is disposed around the battery 30 to clamp and fix the battery, and the battery holder 22 is provided with a plurality of rib structures 23 to further enhance the strength of the handle 20 in the radial direction of the battery. Preferably, the battery holder 22 may also be used to hold a circuit board inside the hair dryer.

Preferably, on the basis of the above structure, in some embodiments, in order to optimize the problem of heat dissipation of the battery, the following structure is explained.

In the first preferred embodiment shown in fig. 6, a first air guiding hole 113 is formed in the air duct 11, the first air guiding hole 113 is formed in the bottom of the air duct 11 on the side close to the handle 20, the first air guiding hole 113 is located between the impeller 13 and the heating device 14, one end of the first air guiding hole 113 faces the impeller 13, and the other end faces the first accommodating cavity 21; an air outlet hole 24 is formed at the bottom of the handle 20, and the air outlet hole 24 communicates the first receiving chamber 21 with the outside of the handle 20.

In practical use, because one end of the first air guiding hole 113 faces the impeller 13 and the other end faces the first accommodating cavity 21, cold air generated by the impeller 13 and not heated by the heating device 14 is guided into the first accommodating cavity 21 of the handle 20 through the first air guiding hole 113, so that the cold air passes through the battery 30 and the circuit board, takes away the emitted heat, and is discharged through the exhaust hole 24, thereby achieving the heat dissipation effect.

Preferably, in the preferred embodiment shown in fig. 7, the difference from the first preferred embodiment is only that a cooling air path is provided.

In a second preferred embodiment as shown in fig. 7, a second air guiding hole 114 and a third air guiding hole 115 are disposed on the air duct 11, the second air guiding hole 114 and the third air guiding hole 115 are both located between the impeller 13 and the heating device 14, the second air guiding hole 114 is disposed on a side close to the impeller 13 relative to the third air guiding hole 115, one end of the second air guiding hole 114 faces the impeller 13, the other end faces the first accommodating cavity 21, and one end of the third air guiding hole 115 faces the heating device 14.

In this embodiment, because the second air guiding hole 114 is disposed on a side close to the impeller 13 relative to the third air guiding hole 115, one end of the second air guiding hole 114 faces the impeller 13, and the other end faces the first accommodating cavity 21, and one end of the third air guiding hole 115 faces the heating device 14, cold air generated by the impeller 13 and not heated by the heating device 14 is guided into the first accommodating cavity 21 of the handle 20 through the second air guiding hole 114 to dissipate heat of the battery 30 and the circuit board, and then the air carrying heat dissipated by the battery is guided into the air knife 11 to be air-dried through the third air guiding hole 115, so that heat dissipation of internal devices such as the battery 30 and the circuit board is utilized while heat dissipation is realized, energy conservation and emission reduction are achieved, and the product conforms to the environmental protection concept.

In summary, compared with the prior art, the electric hair dryer with the waterproof structure base provided by the utility model has the advantages that the bottom of the air duct main body is connected with the handle, the battery is accommodated in the first accommodating cavity in the handle, and in order to avoid potential safety hazards caused by water flowing into the charging base during charging, the protruding boss is arranged at the center of the bottom of the charging base, and the charging interface is arranged on the boss to form an island structure, so that when charging is carried out, water flows into the charging base in time, safety problems can be avoided, and the use safety is improved.

In addition, it will be appreciated by those skilled in the art that, although there may be many problems with the prior art, each embodiment or aspect of the present invention may be improved only in one or several respects, without necessarily simultaneously solving all the technical problems listed in the prior art or in the background. It will be understood by those skilled in the art that nothing in a claim should be taken as a limitation on that claim.

Although terms such as the air duct main body, the air duct, the air outlet, the air inlet, the first air guiding hole, the second air guiding hole, the third air guiding hole, the motor, the impeller, the heating device, the handle, the first accommodating cavity, the battery fixing frame, the reinforcing rib structure, the exhaust hole, the battery, the explosion-proof pressure relief structure, the pressure relief opening, the easy-to-remove cover, and the buckle structure are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention; the terms "first," "second," and the like in the description and in the claims, and in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides a hairdryer with waterproof construction base which characterized in that: comprises a wind barrel main body (10), a handle (20), a battery (30) and a charging base (50);

the handle (20) is connected with the bottom of the air duct main body (10);

the handle (20) is internally provided with a first accommodating cavity (21), and the battery (30) is arranged in the first accommodating cavity (21);

charging base (50) has holding tank (51), holding tank (51) are used for holding handle (20), the center of holding tank (51) bottom is equipped with outstanding boss (53), be equipped with on boss (53) be used for with handle (20) electrical contact's interface (52) that charge.

2. A hair dryer with waterproof structure base of claim 1, characterized in that: the bottom of the accommodating groove (51) is also provided with a water outlet (54), and the water outlet (54) is arranged on the side edge of the boss (53).

3. A hair dryer with waterproof structure base of claim 2, characterized in that: the cross section outline of the accommodating groove (51) in the horizontal direction is a centrosymmetric figure;

the charging interface (52) is of a central symmetrical structure, and the symmetrical center of the charging interface (52) is located on the symmetrical axis of the accommodating groove (51).

4. A hair dryer with waterproof structure base of claim 3, characterized in that: the shape of the accommodating groove (51) matches the shape of the part of the handle (20) that is accommodated.

5. A hair dryer with waterproof structure base of claim 4, characterized in that: handle (20) bottom is equipped with explosion-proof pressure release structure (40), explosion-proof pressure release structure (40) are including pressure release opening (41) and easily take off lid (42), pressure release opening (41) are located handle (20) bottom, pressure release opening (41) intercommunication first holding chamber (21) with the outside of handle (20), easily take off lid (42) with handle (20) movable connection and lid in pressure release opening (41) department, the pressure threshold value that easily takes off lid (42) and drop is less than the intensity of handle (20) lateral wall.

6. A hair dryer with waterproof structure base of claim 5, characterized in that: the easy-to-take-off cover (42) is provided with a buckle structure (42a), and the easy-to-take-off cover (42) is connected with the handle (20) through the buckle structure (42 a).

7. A hair dryer with waterproof structure base of claim 6, characterized in that: a battery fixing frame (22) is arranged in the handle (20), and a plurality of reinforcing rib structures (23) are arranged on the side wall of the battery fixing frame (22).

8. A hair dryer with waterproof structure base of claim 7, characterized in that: an air duct (11), a motor (12), an impeller (13) and a heating device (14) are arranged in the air duct main body (10);

one end of the air duct (11) is defined as an air outlet (111), the other end of the air duct is defined as an air inlet (112), the impeller (13) is arranged at the air inlet (112), the motor (12) and the heating device (14) are sequentially arranged in the air duct (11) along the direction from the air inlet (112) to the air outlet (111), and an output shaft of the motor (12) is connected with the impeller (13).

9. A hair dryer with waterproof structure base of claim 8, characterized in that: a first air guide hole (113) is formed in the air duct (11), the first air guide hole (113) is formed in the bottom, close to one side of the handle (20), of the air duct (11), the first air guide hole (113) is located between the impeller (13) and the heating device (14), one end of the first air guide hole (113) faces towards the impeller (13), and the other end of the first air guide hole faces towards the first accommodating cavity (21);

an exhaust hole (24) is formed in the bottom of the handle (20), and the exhaust hole (24) is communicated with the first accommodating cavity (21) and the outside of the handle (20).

10. A hair dryer with waterproof structure base of claim 8, characterized in that: a second air guide hole (114) and a third air guide hole (115) are formed in the air duct (11), the second air guide hole (114) and the third air guide hole (115) are located between the impeller (13) and the heating device (14), the second air guide hole (114) is formed in one side, close to the impeller (13), of the third air guide hole (115), one end of the second air guide hole (114) faces the impeller (13), the other end of the second air guide hole faces the first accommodating cavity (21), and one end of the third air guide hole (115) faces the heating device (14).

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