CN220141013U - Rechargeable portable electric hair drier - Google Patents

Abstract

The utility model discloses a chargeable portable electric hair drier, which comprises a handle and an air duct part, wherein the upper end of the handle is connected with the air duct part, a core frame is arranged in the air duct part, the core frame comprises an outer cylinder, an inner cylinder and a heating sheet, a core frame air duct is formed between the outer cylinder and the inner cylinder, the heating sheet is arranged in the core frame air duct, three lithium batteries are arranged in the inner cylinder, the axes of the lithium batteries are parallel to the axes of the inner cylinder, the lithium batteries are uniformly distributed in the circumferential direction, an air flow channel is formed in the handle, a fan assembly is arranged in the air flow channel, an air inlet is formed at the lower side of the handle, an annular air outlet is formed at the front side of the air duct part, the air inlet is communicated with the air flow channel, the upper end of the air flow channel is communicated with the core frame air duct, and the front end of the core frame air duct is correspondingly communicated with the annular air outlet. The electric hair drier has the advantages of good portability, good durability and convenient use.

Description

Rechargeable portable electric hair drier

Technical Field

The utility model relates to the field of hair dryers, in particular to a chargeable portable hair dryer.

Background

Currently, hair dryers are used to generate hot air to dry hair or clothing and the like. In order to enable the hair dryer to be used in places without a mains socket, the prior art has rechargeable hair dryers. The structure of the rechargeable electric hair drier in the prior art has unreasonable points, such as a rechargeable electric hair drier with a Chinese patent publication number CN 216354524U: the battery bin is positioned at the air inlet end of the electric hair drier air channel, the fan is arranged at the front end of the battery bin, and the heating core module is positioned at the front side of the fan blade of the fan; the structure can cause oversized size of the hair dryer in the front-back direction, is unfavorable for portability, and needs improvement.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a rechargeable portable electric hair drier, which is beneficial to improving the portability of the electric hair drier.

The aim of the utility model is achieved by the following technical scheme.

The utility model discloses a rechargeable portable electric hair drier, which comprises a handle and an air duct part, wherein the upper end of the handle is connected with the air duct part, a core frame is arranged in the air duct part, the core frame comprises an outer cylinder, an inner cylinder and a heating piece, a core frame air channel is formed between the outer cylinder and the inner cylinder, the heating piece is arranged in the core frame air channel, three lithium batteries are arranged in the inner cylinder, the axis of each lithium battery is parallel to the axis of the inner cylinder, the lithium batteries are uniformly distributed circumferentially, an air flow channel is formed in the handle, a fan assembly is arranged in the air flow channel, an air inlet hole is formed in the lower side of the handle, an annular air outlet is formed in the front side of the air duct part, the air inlet hole is communicated with the air flow channel, the upper end of the air flow channel is communicated with the core frame air channel, and the front end of the core frame air channel is correspondingly communicated with the annular air outlet.

Preferably, the fan assembly comprises a direct current brushless motor and a fan blade, and the direct current brushless motor is in driving connection with the fan blade.

Preferably, a display screen is arranged at the rear end of the air duct part, a circuit board is arranged in the air duct part, and the circuit board is arranged between the display screen and the core frame.

Preferably, a magnetic charging connector is arranged at the lower end of the handle, and the magnetic charging connector is electrically connected with the lithium battery.

Preferably, the rechargeable portable electric hair dryer further comprises an on-vehicle charger, wherein the on-vehicle charger is electrically connected with the magnetic charging connector through a magnetic charging wire.

Preferably, the rechargeable portable electric hair drier further comprises a handle end cover, the air inlet holes are distributed and formed in the handle end cover, a turnbuckle groove is formed in the outer side of the upper end portion of the handle end cover, a convex buckle block is formed on the inner wall of the lower end portion of the handle, the turnbuckle groove is buckled with the corresponding convex buckle block, a filter screen is arranged in the handle end cover, and the filter screen can be separated from the handle.

Compared with the prior art, the utility model has the beneficial effects that: through setting up being equipped with the core frame in the dryer portion, the core frame includes urceolus, inner tube and piece that generates heat, be formed with the core frame wind channel between urceolus and the inner tube, the piece that generates heat is established in the core frame wind channel, be equipped with three lithium cell in the inner tube, the axis of lithium cell is on a parallel with the axis of inner tube, lithium cell circumference equipartition sets up, be formed with the air current way in the handle, be equipped with the fan subassembly in the air current way, the downside of handle is equipped with the fresh air inlet, the front side of dryer portion is formed with annular air outlet, the fresh air inlet communicates the air current way, the upper end intercommunication core frame wind channel of air current way, the front end correspondence intercommunication annular air outlet in core frame wind channel is favorable to making the hairdryer compact structure of this utility model, portability has been improved.

Drawings

Fig. 1 is a schematic perspective view of a hair dryer according to the present utility model.

Fig. 2 is a schematic cross-sectional structure of the hair dryer of the present utility model.

Fig. 3 is a schematic left-view structure of the combination of the core frame and the lithium battery of the present utility model.

Fig. 4 is a schematic bottom perspective view of the hair dryer of the present utility model.

Fig. 5 is a schematic bottom perspective view of the hair dryer with the handle end cap removed.

Fig. 6 is a schematic perspective partial structure of the handle of the present utility model.

Fig. 7 is a schematic perspective view of a handle end cap of the present utility model.

Fig. 8 is a schematic perspective view of a combination of a filter and a filter holder according to the present utility model.

Description of the reference numerals: a handle 1; a male buckle block 101; an air flow passage 10; a fan assembly 11; a brushless dc motor 111; fan blades 112; a wind tunnel part 2; a core holder 21; a core rack air duct 210; an outer cylinder 211; an inner cylinder 212; a heat generating sheet 213; a lithium battery 22; a circuit board 23; a display screen 24; an air outlet cover 25; an annular air outlet 251; a handle end cap 3; an air inlet 301; a turnbuckle slot 302; a filter screen 4; a screen holder 41; and a magnetic charging connector 5.

Description of the embodiments

The utility model is further described below with reference to the accompanying drawings.

The rechargeable portable electric hair dryer of the utility model, as shown in fig. 1 and 2, comprises a handle 1 and a dryer part 2, wherein the upper end of the handle 1 is connected with the middle and rear parts of the dryer part 2 in the front-rear direction, in particular, the handle 1 can be vertical or nearly vertical to the dryer part 2, a core frame 21 is arranged in the dryer part 2, as shown in fig. 3, the core frame 21 comprises an outer cylinder 211, an inner cylinder 212 and a heating sheet 213, the outer cylinder 211 and the inner cylinder 212 are coaxially arranged, a core frame air channel 210 is formed between the outer cylinder 211 and the inner cylinder 212, the heating sheet 213 is arranged in the core frame air channel 210, in particular, in fig. 3, the heating sheet 213 is positioned on the diameter of the outer cylinder 211, and the heating sheet 213 is uniformly arranged around the axial circumference of the outer cylinder 211, in the inner cylinder 212 is provided with three lithium batteries 22, in particular, the model number of the lithium batteries 22 can be 21700, which means that the outer diameter is 21mm, as shown in fig. 1 and 2, the axis of the lithium battery 22 is parallel to the axis of the inner cylinder 212, the lithium batteries 22 are uniformly distributed in the circumferential direction, so that three lithium batteries 22 are arranged in a 'delta' shape, as shown in fig. 2, an air flow channel 10 is formed in the handle 1, a fan assembly 11 is arranged in the air flow channel 10, an air inlet 301 is arranged at the lower side of the handle 1, an annular air outlet 251 is formed at the front side of the air cylinder part 2, the annular air outlet 251 is specifically formed on the air outlet cover 25, the air outlet cover 25 covers the front end of the air cylinder part 2, the air inlet 301 is communicated with the air flow channel 10, the upper end of the air flow channel 10 is communicated with the core frame air channel 210, specifically, the lower part of the cylindrical wall of the outer cylinder 211 is provided with an air inlet connected with the upper end of the air flow channel 10, and the front end of the core frame air channel 210 is correspondingly communicated with the annular air outlet 251.

When the fan assembly 11 works, air is sucked into the air inlet 301, air flows into the air flow channel 10, the fan assembly 11 drives the air flow to flow upwards in the air flow channel 10, then the air flow enters the core frame air channel 210 through the upper end of the air flow channel 10, the air flow fills the air flow channel 10 around the outer wall of the inner cylinder 212, and the air flow exchanges heat with the heating sheet 213, so that the air flow is heated, then the hot air flows to the annular air outlet 251 through the front end of the core frame air channel 210, and then hot air flows out from the annular air outlet 251, heat generated when the heating sheet 213 and the lithium battery 22 work is taken away by the air flow, and the temperature of the lithium battery 22 is prevented from being too high. As shown in fig. 1 and 2, the lithium battery 22 is arranged on the inner side of the heating plate 213, that is, the lithium battery 22 and the heating plate 213 share the space in the axial direction of the air duct part 2, so that the axial length of the air duct part 2 (that is, the length in the front-rear direction) is reduced, which is beneficial to making the electric hair dryer compact in structure and improving portability. By setting the number of lithium batteries 22 to three and setting the lithium batteries 22 within the inner tube 212, the internal space of the duct section 2 is utilized to the maximum. The air flow channel 10 is arranged on the periphery of the lithium battery 22, so that the circumferential space of the air flow channel 10 is larger under the condition of occupying the radial space of the same air duct part 2, thereby being beneficial to air flow and also facilitating the arrangement of the heating sheet 213. Through setting up core frame wind channel 210's front end correspondence intercommunication annular air outlet 251 for the hairdryer blows out the air current scope bigger, and the efficiency of blowing dry hair is higher, moreover because the air current is approximately straight line discharge outside the hairdryer from core frame wind channel 210, is favorable to reducing the windage. By arranging the air flow channel 10 and the fan assembly 11 in the handle 1, the space in the handle 1 is fully utilized, the fan assembly 11 is prevented from being arranged at the air duct 2, and the air duct 2 is beneficial to compact structure; by providing the air inlet 301 on the underside of the handle 1, it is avoided that a person would block the air inlet 301 when holding the middle part of the handle 1.

Further, as shown in fig. 2, the fan assembly 11 includes a brushless dc motor 111 and a fan blade 112, the brushless dc motor 111 is driven to connect with the fan blade 112, the fan blade 112 can be coaxially installed on a rotor of the brushless dc motor 111, the brushless dc motor 111 can be a brushless dc motor with a speed of more than 10 ten thousand rpm in the prior art, compared with a brushless dc motor, the brushless dc motor has the advantages of larger output power, good durability and relatively smaller noise, so that a larger air pressure is formed in the core frame air duct 210, and a stronger air flow can be ejected out from the annular air outlet 251.

Further, as shown in fig. 1 and 2, the rear end of the air duct 2 is provided with a display screen 24, the display screen 24 may be a liquid crystal display screen or an LED dot matrix display screen, a circuit board 24 is provided in the air duct 2, and the circuit board 24 is provided between the display screen 24 and the core frame 21, so that the space in the air duct 2 is fully and reasonably utilized. The display screen 24 is electrically connected to the circuit board 24.

Further, as shown in fig. 4, a magnetic charging connector 5 is arranged at the lower end of the handle 1, and the magnetic charging connector 5 is electrically connected with a lithium battery 22 through a charging module. The lithium battery 22 is electrically connected to the circuit board 24. The magnetic charging connector 5 belongs to the prior art, and can be specifically referred to a quick-connection charging type electric hair dryer with the Chinese patent publication No. CN218978248U, so that when a user needs to use the electric hair dryer, the magnetic charging wire can be quickly separated from the magnetic charging connector 5, in other words, the electric hair dryer can be used in a wireless state, and the user can conveniently carry the electric hair dryer.

Furthermore, the electric hair drier of the utility model further comprises a vehicle-mounted charger, the vehicle-mounted charger is electrically connected with the magnetic charging connector 5 through the magnetic charging wire, specifically, the vehicle-mounted charger can be a product on the market, one end of the magnetic charging wire can be a USB interface for connecting the vehicle-mounted charger, and the other end of the magnetic charging wire corresponding to the magnetic charging wire is a magnetic charging interface adapting to the magnetic charging connector 5, so that the electric hair drier of the utility model is suitable for being used in the automobile travel or the automobile transportation industry.

Further, as shown in fig. 1 and fig. 2, the electric hair dryer of the utility model further comprises a handle end cover 3, as shown in fig. 7, the air inlet holes 301 are densely distributed on the handle end cover 3, a turnbuckle groove 302 is formed on the outer side of the upper end part of the handle end cover 3, as shown in fig. 6, convex buckle blocks 101 are formed on the inner wall of the lower end part of the handle 1, the number of the convex buckle blocks 101 can be set to be two, the two convex buckle blocks 101 are distributed at 180 degrees, the turnbuckle grooves 302 are buckled with the corresponding convex buckle blocks 101, specifically, the convex buckle blocks 101 are aligned with the inlets of the turnbuckle groove 302, then the handle end cover 3 is moved upwards, the convex buckle blocks 101 enter the turnbuckle grooves 302, then the handle end cover 3 is rotated by a small angle, the convex buckle blocks 101 relatively enter the bottom (end) of the turnbuckle groove 302, so that when the handle end cover 3 is assembled with the handle 1, the handle end cover 3 is required to be disassembled, and then the handle end cover 3 is pulled downwards, so that the handle end cover 3 is separated from the handle 1. As shown in fig. 2 and 5, the filter screen 4 is arranged in the handle end cover 3, the filter screen 4 can be separated from the handle 1, the filter screen 4 is made of stainless steel, the filter screen 4 is cylindrical, fine meshes are densely distributed on the filter screen 4, the handle end cover 3 is used for intercepting sundries with larger volume, the air flow is further filtered through the filter screen 4, and the sundries such as fine paper scraps are prevented from being sucked into the air flow channel 10, so that the sundries are prevented from being blown onto hair, and the inside of the electric hair drier is also facilitated to be kept clean. As shown in fig. 8, the outside of the filter screen 4 is further provided with a filter screen support 41, the filter screen support 41 is also located inside the handle end cover 3, and the filter screen support 41 is located between the lower end of the handle 1 and the inner bottom of the handle end cover 3, so that after the handle end cover 3 is separated from the handle 1, the filter screen support 41 and the filter screen 4 can be taken out, the filter screen 4 and the handle end cover 3 are cleaned, and the magnetic charging connector 5 is arranged at the center hole of the lower end of the handle end cover 3.

In some embodiments, a plasma generator may be disposed on the air flow channel of the hair dryer, for example, the plasma generator may be disposed at the front side of the annular air outlet 251, so that the hair dryer of the present utility model has a sterilizing effect.

In conclusion, the hair dryer has the advantages of good portability, good durability and convenience in use.

Claims (6)

1. The utility model provides a chargeable portable hairdryer, includes handle (1) and dryer portion (2), the upper end of handle (1) is connected dryer portion (2), its characterized in that: be equipped with core frame (21) in dryer portion (2), core frame (21) include urceolus (211), inner tube (212) and generate heat piece (213), urceolus (211) with be formed with core frame wind channel (210) between inner tube (212), it establishes to generate heat piece (213) in core frame wind channel (210), be equipped with three lithium cell (22) in inner tube (212), the axis of lithium cell (22) is on a parallel with the axis of inner tube (212), lithium cell (22) circumference equipartition sets up, be formed with air current way (10) in handle (1), be equipped with fan subassembly (11) in air current way (10), the downside of handle (1) is equipped with inlet opening (301), the front side of dryer portion (2) is formed with annular air outlet (251), inlet opening (301) intercommunication air current way (10), the upper end intercommunication of air current way (10) core frame wind channel (210), the front end of core frame (210) corresponds annular air outlet (251).

2. The rechargeable portable electric hair dryer of claim 1, wherein: the fan assembly (11) comprises a direct current brushless motor (111) and fan blades (112), and the direct current brushless motor (111) is in driving connection with the fan blades (112).

3. The rechargeable portable electric hair dryer of claim 1, wherein: the rear end of the air duct part (2) is provided with a display screen (24), a circuit board (23) is arranged in the air duct part (2), and the circuit board (23) is arranged between the display screen (24) and the core frame (21).

4. The rechargeable portable electric hair dryer of claim 1, wherein: the lower end of the handle (1) is provided with a magnetic charging connector (5), and the magnetic charging connector (5) is electrically connected with the lithium battery (22).

5. The rechargeable portable electric hair dryer of claim 4, wherein: the vehicle-mounted charger is electrically connected with the magnetic charging connector (5) through a magnetic charging wire.

6. The rechargeable portable electric hair dryer of claim 1, wherein: still include handle end cover (3), fresh air inlet (301) distribute form in on handle end cover (3), the upper end outside of handle end cover (3) is formed with rotary buckle groove (302), be formed with protruding knot piece (101) on the lower tip inner wall of handle (1), rotary buckle groove (302) with the protruding knot piece (101) lock joint that corresponds, be equipped with filter screen (4) in handle end cover (3), filter screen (4) can with handle (1) separation.