CN210901815U

CN210901815U - Hand-held hair drier

Info

Publication number: CN210901815U
Application number: CN201921522090.5U
Authority: CN
Inventors: 俞浩
Original assignee: Dreame Technology Tianjin Co Ltd
Current assignee: Pursuit Technology Suzhou Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-07-03
Anticipated expiration: 2029-09-12

Abstract

The utility model relates to a handheld hair-dryer belongs to small-size domestic appliance, should handheld hair-dryer include the handle, with aircraft nose, setting that the handle is connected are in automatically controlled subassembly in the aircraft nose and with automatically controlled subassembly connects the switch module who opens or close with the automatically controlled subassembly of control, switch module sets up on the handle, the handle has the first end portion that links to each other with the aircraft nose, be equipped with electric connection in the first end portion switch module with the bayonet joint of aircraft nose. The utility model discloses a through set up the bayonet joint on the switch module in the handle in order to realize the cooperation of pegging graft with the automatically controlled subassembly in the aircraft nose, make when the handle equipment, realize grafting of switch module and automatically controlled subassembly simultaneously, the assembly is simple and convenient.

Description

Hand-held hair drier

Technical Field

The utility model relates to a handheld hair-dryer belongs to small-size domestic appliance.

Background

The hair dryer is a small personal care household appliance capable of quickly drying hair, and the air can be heated by the heating wires, so that the hair can be dried more quickly. The hair-dryer includes the aircraft nose, handle and the subassembly that induced drafts of setting in the aircraft nose, the button of hair-dryer sets up on the handle so that the operation usually, main control unit sets up in aircraft nose or handle, in prior art, if adopt with main control unit setting in the aircraft nose, then need lay wire through the electric wire and make the main control unit in the aircraft nose be connected with the button, but the handle that the present wiring mode brought is with the assembly mode of working head: the wiring is firstly carried out through the electric wire, and then the handle and the machine head are assembled, so that the process is complex. In addition, since the wiring is advanced, the previous wiring also interferes with the handle and the handpiece when they are assembled, thereby causing difficulty in assembly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a handheld hair-dryer, its assembly is simple and convenient.

In order to achieve the above purpose, the utility model provides a following technical scheme: a handheld hair drier comprises a handle, a machine head connected with the handle, an electric control assembly arranged in the machine head, and a switch assembly connected with the electric control assembly to control the on or off of the electric control assembly, wherein the switch assembly is arranged on the handle, the handle is provided with a first end part connected with the machine head, and an insertion joint electrically connected with the switch assembly and the machine head is arranged in the first end part.

Furthermore, the switch assembly comprises a switch cover arranged on the handle, a power button arranged on the switch cover and a plug connector connected in series on the power button, and the plug connector is formed on the plug connector.

Further, the power button is a slide type button.

Furthermore, a mounting cavity for accommodating the switch assembly is formed in the handle, a plug port for enabling the plug connector to extend out of the first end portion is formed in one side of the mounting cavity, and a sealing ring is arranged between the plug port and the plug connector.

Further, the switch module still include with touch-control circuit board and cold and hot button of power button series connection, the touch-control circuit board sets up on the switch cover, cold and hot button be located touch-control circuit board one side and be used for with the touch-control circuit board contacts in order to form trigger signal, be provided with elastic mechanism on the switch cover, elastic mechanism is in take place to deform after the external force is applyed to the button and promote after the external force cancels the button is towards keeping away from the direction removal of touch-control circuit board.

Further, the switch cover comprises a body part and a button mounting part which can move relative to the body part, the button is mounted on the button mounting part, and the button mounting part is connected with the body part through an elastic structure.

Further, a hollow-out portion is formed in the body portion, the button installation portion is located in the hollow-out portion, the elastic mechanism comprises two elastic bodies arranged in a mirror mode, and the two elastic bodies are oppositely arranged on two sides of the button installation portion.

Further, the body portion, the button mounting portion and the elastic mechanism are integrally formed.

Further, the handpiece includes a docking portion projecting into the first end portion, and the handle includes a connector snap-fit connected to the docking portion.

Furthermore, the connecting piece is including being the first injection molding body and the second injection molding body of run from opposite directions setting, butt joint portion is held with first injection molding body and second injection molding body card respectively and is connected the back first injection molding body and second injection molding body are connected through fastener or the solid mode of card.

The beneficial effects of the utility model reside in that: the utility model discloses a through set up the bayonet joint on the switch module in the handle in order to realize the cooperation of pegging graft with the automatically controlled subassembly in the aircraft nose, make when the handle equipment, realize grafting of switch module and automatically controlled subassembly simultaneously, the assembly is simple and convenient.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of a hand-held hair dryer according to an embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic view of the handle of FIG. 1;

FIG. 4 is a partially exploded view of the handle shown in FIG. 3;

FIG. 5 is an exploded view of the handle of FIG. 3 in another orientation;

FIG. 6 is a schematic structural diagram of the switch assembly of FIG. 3;

FIG. 7 is a schematic view of the switch assembly shown in FIG. 6 in another orientation;

fig. 8 is an exploded view of the switch assembly shown in fig. 6.

Detailed Description

The following detailed description of embodiments of the present application will be described in conjunction with the accompanying drawings and examples. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.

Referring to fig. 1 and 2, fig. 1 and 2 illustrate a hand held hair dryer 10 according to an embodiment of the present application, the hand held hair dryer 10 being usable in a hair drying setting; or, the application scenarios of local drying, heating and physical therapy in the laboratory, physical therapy room, industrial production, art designing and the like are not limited in the present application. The hand held hair dryer 10 may include the following components: a handle 20 and a handpiece 30 connected to the handle 20.

Referring to fig. 2 to 5, the handle 20 has a first end 201 connected to the handpiece 30 and a second end 202 remote from the handpiece 30 for air intake. The second end 202 has the cable 60 extending therethrough to provide integral power to the hand held dryer 10. The end of the cable 60 remote from the second end 202 is provided with a plug (not shown) which may provide an electrical connection to a mains power supply or a battery pack. The cable 60 includes a live wire and a neutral wire. Optionally, the cable 60 is divided into at least two wires inside the handle 20 after one wire has been run through the second end 202.

Referring to fig. 4, the handle 20 includes a grip housing 21 to protect components inside the handle 20. The cable 60 enters the handle 20 through the grip housing 21 at the location of the second end 202. The cable 60 is positioned generally midway between the second end 202, extending toward the interior center of the handle 20. Illustratively, the handle 20 is generally tubular in configuration and has a substantially uniform diameter. Of course, the handle 20 may have other shapes, and this embodiment is not limited thereto. Alternatively, in order to secure stability when gripping the handle 20, the gripping portion of the gripping housing 21 may be provided with an anti-slip member (not shown); alternatively, the material of the grip portion of the grip case 21 is an anti-slip material.

A first air duct 22 is formed in the handle 20, and the first air duct 22 penetrates the first end portion 201. The handle 20 is formed with an air inlet 221 communicating with the first air duct 22 and a cable opening 222, and the cable opening 222 is located below the air inlet 221. A cable opening 222 extends through the second end 202. The cable 252 is disposed within the first air chute 22 and the cable 60 is threaded through the cable opening 222 to the first air chute 22.

The handle 20 is provided with a suction assembly 40 therein, and the suction assembly 40 is used for sucking an external air flow from the air inlet 221 and guiding the air flow to the handpiece 30 through the first air duct 22. Optionally, the air suction assembly 40 is a motor integrated with a fan, the motor may be an ac induction motor, a series-excited ac/dc motor, or a dc motor, and the like, and the embodiment does not limit the type of the air suction assembly 40. Specifically, the air suction assembly 40 is disposed within the first air duct 22 such that the air suction assembly 40 cools.

The handle 20 further includes a connector 23 for interfacing with the handpiece 30, and a first end 201 and a second end 202 are formed on the connector 23 as opposite ends of the connector 23. The holding shell 21 is sleeved outside the connecting piece 23. First wind channel 22 forms in connecting piece 23, and is concrete, and the connecting piece is Half a. In this embodiment, the first injection molded body 231 and the second injection molded body 232 are connected by a fastener (not numbered).

The connecting piece 23 extends along the lengthwise direction of the handle 20 and is distinguished by the functional area of the connecting piece 23, the connecting piece 23 is provided with a connecting part 233 forming the first air duct 22 and a base 234 formed at the bottom end of the connecting part 233, the holding shell 21 is installed on the connecting part 233, the air inlet 221 and the cable opening 222 are positioned below the holding shell 21, the air inlet 221 and the cable opening 222 are arranged below the holding shell 21, the space of the handle is utilized more effectively, the arrangement is reasonable, and interference and trouble cannot be caused to the use of the hand-held hair dryer. The air inlet 221 is formed in the connection portion 233, and the cable opening 222 penetrates the base 234. The base 234 is located at the second end 201.

Be provided with cable protective sheath 24 between base 234 and the cable 60 to protect cable 60, reduce the wearing and tearing between cable 60 and the base 234, prevent to play water-proof effects simultaneously, this cable protective sheath 24 is elastic material such as rubber, and cable protective sheath 24 is including the internal portion 241 that is located connecting piece 23 and the body 242 that stretches out from internal portion 241 downwardly extending and pass cable opening 222. The built-in portion 241 is a ring-shaped plate, the tube 242 is of an inverted cone shape, and the end of the tube 242 with the larger diameter is located in the connecting member 23, so as to prevent the cable protective sheath 24 from shaking relative to the base 234.

The handle 20 further includes a filter screen assembly 25 sleeved on the connecting member, the filter screen assembly 25 includes a filter screen 251 sleeved on the connecting member 233 and a ventilation ring 252 sleeved on the filter screen 251, the filter screen 251 covers the air inlet 221 and the base 234, and the filter screen assembly 25 filters impurities such as dust in the external air flow entering the air inlet 221, thereby prolonging the service life of the hand-held hair dryer. The bottom of the screen 251 is opened with a through hole 253 corresponding to the cable opening 222 so that the cable 60 passes through the screen 251 to be connected to the outside.

Referring to fig. 4, 7 and 8, a switch assembly 50 is further disposed on the handle 20, and the switch assembly 50 is electrically connected to the air suction assembly 40 and controls the start of the air suction assembly 40. The switch assembly 50 is connected in series to a cable 60. The switch assembly 50 includes a switch cover 51 disposed on the connecting member 23, a touch pad 52 disposed on the switch cover 51, and a button 53 disposed on one side of the touch pad 52 and configured to contact the touch pad 52 to form a trigger signal. In this embodiment, the switch assembly 50 is disposed on the handle 20 to facilitate one-handed operation, and in other embodiments, the switch assembly 50 may be disposed on the handpiece 30.

The switch cover 51 is provided with an elastic mechanism 511, and the elastic mechanism 511 deforms when the button 53 is applied with an external force and pushes the button 53 to move away from the touch control circuit board 52 after the external force is removed. The moving direction of the elastic mechanism 511 driving the button 53 may be along the surface of the switch cover 51, or along the thickness direction of the switch cover 51, in this embodiment, the moving direction of the elastic mechanism 511 driving the button 53 is along the thickness direction of the switch cover 51, that is, the button 53 is a push button. The touch panel 52 is disposed behind the switch cover 51, and the button 53 is disposed in front of the switch cover 51.

The switch cover 51 includes a main body 512 and a button mounting portion 513 movable relative to the main body 512, the button 53 is mounted on the button mounting portion 513, and the button mounting portion 513 is connected to the main body 512 through an elastic structure 511. The main body 512, the button mounting portion 513 and the elastic mechanism 511 may be a separate structure, and preferably, the main body 512, the button mounting portion 513 and the elastic mechanism 511 are integrally formed. In this embodiment, a hollow portion 514 is formed in the main body 512, and the button mounting portion 513 is located in the hollow portion 514. The elastic mechanism 511 includes two elastic bodies (not numbered) arranged in mirror image, and the two elastic bodies are oppositely arranged at both sides of the button mounting portion. The elastic body can be of any structure, and in the embodiment, the elastic body is a bent strip-shaped structure.

In this embodiment, the touch panel 52 and the button 53 are used to control the temperature of the hand-held hair dryer and the heating element (described in detail later), so the button 53 can be called a hot/cold button. Indeed, in other embodiments, the touch panel 52 and the button 53 may be used to control other functions, or the touch panel 52 and the button 53 may directly control the handheld blower.

The switch assembly 50 further includes a power button 56 disposed on the switch cover 51 and a plug 57 connected in series to the power button 56, wherein the power button 56 is connected in series to the touch circuit board 52 and the hot and cold button 53. The first end portion 201 is internally provided with a plug 571 for electrically connecting the switch assembly 50 and the head 30, the plug 57 is formed with the plug 571, and the plug 571 protrudes out of the first end portion 201. The power button 56 is a sliding button, the power button 56 is fixed on the plug 57 through the sliding housing 58, and the working principle and structure of the power button 56 are prior art, so detailed description thereof is omitted.

Referring to fig. 3 and 4, an installation cavity 26 for accommodating the switch assembly 50 is formed in the handle 20, the installation cavity 26 is located at one side of the first air duct 22, the installation cavity 26 is separated from the first air duct 22 by a connecting member 23, the installation cavity 26 is formed by the connecting member 23 and the holding housing 21, and a button opening 211 is formed in the holding housing 21 for exposing the hot and cold button 53 and the power button 56. A socket 261 for protruding the electrical plug 571 out of the first end portion 201 is formed at one side of the mounting cavity 26, and a sealing ring 59 is provided between the socket 261 and the plug 571 (see fig. 8 and 6).

Referring to fig. 2 and 4, the nose 30 includes a wind guiding pipe 31, a wind barrel 32 nested outside the wind guiding pipe 31, a nozzle assembly 33 mounted at the front ends of the wind guiding pipe 31 and the wind barrel 32, an end cap assembly 34 mounted at the rear ends of the wind guiding pipe 31 and the wind barrel 32, and an outer barrel 39 covering the wind guiding pipe 31 and the wind barrel 32. Both ends of the outer cylinder 39 are butted against the tuyere assembly 33 and the butted end cap assembly 34, respectively. An electrical control component, in this embodiment, a Printed Circuit Board (PCB) 35, is disposed on a side of the air duct 31 close to the end cap component 34. A second air duct 36 communicated with the first air duct 22 is formed in the machine head 30, and the second air duct 36 is formed between the air duct 31 and the air duct 32.

Disposed within handpiece 30 are functional components that are electrically connected to switch assembly 40, wherein the functional components include a heating assembly 70. The heating assembly 70 is disposed on the air duct 31 and is installed in the second air duct 36 between the air duct 31 and the air duct 32. The heating assembly 70 may be implemented as an electromagnetic heating wire, or a resistance heating wire, and the embodiment does not limit the implementation manner of the heating assembly 70.

The air suction assembly 40, the switch assembly 50, the touch assembly 25 and the heating assembly 70 are electrically connected to the printed circuit board 35, wherein the switch assembly 50 is used for controlling the printed circuit board 35 to be turned on or off, and the switch assembly 50 is electrically connected to the printed circuit board 35 through a plug connector thereon. In this embodiment, the switch assembly 50 is disposed in the handpiece 20, the printed circuit board 35 is disposed in the handpiece 30, and the switch assembly 50 is electrically connected through the connector 571. In detail, the printed circuit board 35 may be implemented to be annularly sleeved on the air guiding pipe 31. The number of layers of the printed circuit board 35 may be a single layer; alternatively, the number of layers may be multiple, and the number of layers of the printed circuit board 35 is not limited in this embodiment.

Printed circuit board 35 is used to control the operating parameters of hand held dryer 10. Such as: adjusting the heating power of the heating assembly 70, the rotating speed of the air suction assembly 40 and other working parameters. Correspondingly, the hand-held hair dryer 10 is provided with a second touch control component 36 and a third touch control component 37, and both the second touch control component 36 and the third touch control component 37 are electrically connected to the printed circuit board 35. The second touch control component 36 is configured to receive a second touch control operation to enable the printed circuit board 35 to adjust the heating power of the heating component 70, so as to adjust the air outlet temperature of the handheld blower 10. The third touch component 37 is configured to receive a third touch operation to enable the printed circuit board 35 to adjust the rotation speed of the air suction component 40 of the hand-held hair dryer 10, so as to adjust the air outlet speed of the hand-held hair dryer 10. Optionally, the second touch-control assembly 36 and the third touch-control assembly 37 are disposed on the end cap assembly 34; of course, in practical implementation, the second touch device 36 and the third touch device 37 can be disposed at other positions, such as: on the handle 10, the present embodiment does not limit the installation positions of the second touch device 36 and the third touch device 37.

In addition, in the embodiment, only two working parameters of the printed circuit board 35 controlling the heating power of the heating element 70 and the rotation speed of the air suction element 40 are taken as an example for description, during actual implementation, other working parameters may be additionally controlled, accordingly, more touch elements may be integrated on the hand-held hair dryer 10, and this embodiment is not illustrated. The second touch component 36 and the third touch component 37 may be implemented as a button component (i.e., a touch component implemented based on physical keys), a touch display screen component (i.e., a touch component implemented based on virtual keys), and the like, and the implementation manner of the second touch component 36 and the third touch component 37 is not limited in this embodiment.

The tuyere assembly 33 is used to output the wind heated by the heating assembly 70 from the hand-held hair dryer 10. The nozzle assembly 33 is detachably mounted on the hand-held hair dryer 10; or, it is integrally formed with the air duct 32. The air nozzle assembly 33 can change the shape and speed of the air in the hand-held hair dryer 10, and can converge and output the air heated by the heating assembly 70 to the outside of the hand-held hair dryer 10.

The machine head 30 further includes a butt-joint portion 38 protruding into the first end portion 201, the butt-joint portion 38 is connected with the connector 23 in a clamping manner, the butt-joint portion 38 is connected with the first injection-molded body 231 and the second injection-molded body 232 (see fig. 5) of the connector 23 in a clamping manner, the first injection-molded body 231 and the second injection-molded body 232 are connected in a clamping manner by fasteners or in a clamping manner, the butt-joint portion 38 is provided with a clamping groove 381, and the first injection-molded body 231 and the second injection-molded body 232 are respectively and correspondingly provided with clamping blocks (not numbered) which are matched with the corresponding clamping blocks in a clamping. The butt joint part 38 is respectively clamped with the first injection molding body 231 and the second injection molding body 232, and then the first injection molding body 231 and the second injection molding body 232 are connected in a clamping mode through fasteners or a clamping mode, so that the assembly is simpler and more convenient.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A handheld hair drier is characterized by comprising a handle, a machine head connected with the handle, an electric control assembly arranged in the machine head, and a switch assembly connected with the electric control assembly to control the electric control assembly to be turned on or off, wherein the switch assembly is arranged on the handle, the handle is provided with a first end portion connected with the machine head, and a plug-in connector electrically connected with the switch assembly and the machine head is arranged in the first end portion.

2. The hand held hair dryer of claim 1, wherein said switch assembly includes a switch cover disposed on said handle, a power button disposed on said switch cover, and a plug member connected in series to said power button, said plug member being formed on said plug member.

3. The hand held hair dryer of claim 2, wherein said power button is a slide type button.

4. The hand-held hair dryer of claim 2, wherein a mounting cavity is formed in the handle for receiving the switch assembly, a socket for the plug connector to protrude out of the first end portion is formed at one side of the mounting cavity, and a sealing ring is disposed between the socket and the plug connector.

5. The hand-held hair dryer of claim 2, wherein the switch assembly further comprises a touch circuit board and a hot and cold button connected in series with the power button, the touch circuit board is disposed on the switch cover, the hot and cold button is disposed at one side of the touch circuit board and is configured to contact with the touch circuit board to form a trigger signal, and an elastic mechanism is disposed on the switch cover, the elastic mechanism deforms when an external force is applied to the button and pushes the button to move in a direction away from the touch circuit board after the external force is removed.

6. The hand held hair dryer of claim 5, wherein said switch cover includes a body portion and a button mounting portion movable relative to said body portion, said button being mounted on said button mounting portion, said button mounting portion being connected to said body portion by a resilient structure.

7. The hand held hair dryer of claim 6, wherein a hollowed portion is formed in said body portion, said button mounting portion is located in said hollowed portion, and said elastic mechanism comprises two elastic bodies arranged in a mirror image, and said two elastic bodies are oppositely arranged on two sides of said button mounting portion.

8. The hand held hair dryer of claim 6, wherein said body portion, said button mounting portion and said resilient mechanism are integrally formed.

9. The hand held hair dryer of claim 7, wherein said handpiece includes a docking portion projecting into said first end, and said handle includes a connector for snap-fit connection with said docking portion.

10. The hand-held hair dryer of claim 9, wherein the connecting member comprises a first injection molded body and a second injection molded body which are arranged in a split manner, and the first injection molded body and the second injection molded body are connected by a fastener or a clamping manner after the butt joint part is respectively connected with the first injection molded body and the second injection molded body in a clamping manner.