CN210960773U

CN210960773U - Hand-held hair drier

Info

Publication number: CN210960773U
Application number: CN201921527331.5U
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: 2020-07-10
Anticipated expiration: 2029-09-12

Abstract

The utility model relates to a hand-held type hair-dryer belongs to hair-dryer technical field, and hand-held type hair-dryer includes: aircraft nose and handle, the handle include the first end that links to each other with the aircraft nose and keep away from the second tip of aircraft nose, is formed with ventilation channel in the handle, and ventilation channel is located between first end and the second end, and the second end includes: the ventilation assembly is detachably sleeved outside the filter screen to enable external air to enter the ventilation channel, and the bottom of the filter screen is the bottom of the handle; the ventilation assembly is rotationally clamped and fixed with the filter screen; the problem that the existing fixing mode between the filter screen and the ventilation assembly is complex to disassemble can be solved; because the filter screen is fixed with the ventilation assembly in a rotating and clamping manner, the user can realize the disassembly and the assembly of the ventilation assembly only by manually rotating the ventilation assembly, the disassembly and the assembly modes between the filter screen and the ventilation assembly are simplified, and the disassembly and the assembly efficiency of the ventilation assembly are improved.

Description

Hand-held hair drier

Technical Field

The application relates to a hand-held type hair-dryer belongs to hair-dryer technical field.

Background

Hair dryers, particularly hot air hair dryers, are widely used for drying hair, paint, and the like; removing or stripping the surface layer.

A typical hand held hair dryer includes: handle and aircraft nose, be provided with the subassembly that induced drafts in the handle. The air suction assembly is used for sucking air into the handle; then, the wind in the handle is guided into the handpiece for output. Because the air suction assembly is easily damaged by foreign objects such as dirt, hair and the like, a filter screen is arranged at the air inlet of the handle. The filter screen is also provided with a ventilation component.

The existing fixing mode between the filter screen and the ventilation assembly is usually fastening through a fastening piece, and the fastening mode is complex to disassemble.

SUMMERY OF THE UTILITY MODEL

The application provides a hand-held type hair-dryer can solve the current fixed mode between filter screen and the ventilation subassembly and dismantle complicated problem. The application provides the following technical scheme: hand-held type hair-dryer, including aircraft nose and handle, the handle include with the first end that the aircraft nose links to each other and keep away from the second end of aircraft nose, be formed with ventilation channel in the handle, ventilation channel is located first end with between the second end, the second end includes: the ventilation assembly is detachably sleeved outside the filter screen, so that external wind enters the ventilation channel, and the bottom of the filter screen is the bottom of the handle; the ventilation assembly is rotationally clamped and fixed with the filter screen.

Optionally, a protrusion is arranged on the ventilation assembly, and a groove is arranged on the filter screen; the groove comprises a first groove part extending along a first direction and a second groove part communicated with the first groove part and extending along a second direction, and the protrusion is matched with the groove to enable the ventilation assembly to be clamped and fixed with the filter screen after rotating towards the second direction;

the first direction is parallel to a central axis of the handle, and the second direction is a rotation direction perpendicular to the first direction.

Optionally, the groove further includes a third groove portion spaced apart from the second groove portion by a preset distance in the second direction; the protrusion includes a centrally located depression dividing the protrusion into a first protrusion portion and a second protrusion portion, the second protrusion portion fitting into the third recess portion.

Optionally, the second convex portion has a convex height that gradually decreases along the second direction.

Optionally, the length of the recess is the preset distance.

Optionally, the protrusion is provided at a bottom edge of the ventilation assembly; the groove is arranged at the bottom edge of the filter screen.

Optionally, the ventilation assembly is hollow at the bottom.

Optionally, a vent is arranged on the ventilation assembly, and the vent is of a net structure or a stripe structure.

Optionally, the handle includes an inner shell therein, the inner shell is formed with a handle base, and the filter screen is sleeved outside the handle base.

Optionally, the filter screen is fixed outside the handle base by a fastener.

Optionally, the bottom of the filter screen has a through hole for a cable to pass through to power the hand-held hair dryer.

The beneficial effect of this application lies in: through setting up aircraft nose and handle, the handle includes the first end portion that links to each other with the aircraft nose and the second tip of keeping away from the aircraft nose, is formed with ventilation channel in the handle, and ventilation channel is located between first end portion and the second end portion, and the second end portion includes: the ventilation assembly is detachably sleeved outside the filter screen to enable external air to enter the ventilation channel, the bottom of the filter screen is the bottom of the handle, and the ventilation assembly is rotationally clamped and fixed with the filter screen; the problem that the existing fixing mode between the filter screen and the ventilation assembly is complex to disassemble can be solved; because the filter screen is fixed with the ventilation assembly in a rotating and clamping manner, the user can realize the disassembly and the assembly of the ventilation assembly only by manually rotating the ventilation assembly, the disassembly and the assembly modes between the filter screen and the ventilation assembly are simplified, and the disassembly and the assembly efficiency of the ventilation assembly are improved.

The foregoing description is only an overview of the technical solutions of the present application, and in order to make the technical solutions of the present application more clear and clear, and to implement the technical solutions according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present application and the accompanying drawings.

Drawings

FIG. 1 is a schematic diagram of a hand held hair dryer provided in accordance with an embodiment of the present application;

FIG. 2 is a cross-sectional view of a hand held hair dryer provided in accordance with one embodiment of the present application;

figures 3 to 8 are schematic views of the structure of the handle of a hand-held hair dryer according to an embodiment of the present application;

figure 9 is a schematic view of the structure of a vent assembly in a hand held hair dryer according to one embodiment of the present application;

figure 10 is a schematic view of the construction of a filter in a hand held hair dryer according to one embodiment of the present application;

fig. 11 to 13 are schematic structural views of a handpiece in a hand-held hair dryer provided in an embodiment of the present application.

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.

Fig. 1 and 2 illustrate a hand held hair dryer 10 according to one 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 the schematic structural views of the handle 20 shown in fig. 3 to 8, the handle 20 has a first end 21 connected to the handpiece 30, and a second end 22 remote from the handpiece 30 for air intake. A vent passage is formed in the handle 20 between the first and

second ends

21, 22. The second end 22 has a cable 40 extending therethrough to provide integral power to the hand held dryer 10. The end of the cable 40 remote from the second end 22 is provided with a plug (not shown in the figures) which can provide an electrical connection to a mains power supply or a battery pack.

Wherein the second end portion 22 comprises: the filter screen 221 and the ventilation assembly 222 detachably sleeved outside the filter screen 221 to enable external wind to enter the ventilation channel, wherein the bottom of the filter screen 221 is the bottom of the handle 20. As shown, the bottom of the vent assembly 22 is hollow. Optionally, the bottom edge of the ventilation assembly 22 is in the same plane as the bottom of the filter screen 221.

The filter screen 221 serves to filter the wind entering from the ventilation assembly 222. Optionally, the filtering net 221 is provided with a grid with a smaller size, such as: 0.3mm, 0.2mm, etc., and the size of the mesh on the filter screen 221 is not limited in this embodiment.

The ventilation assembly 222 is used to allow external wind to enter the interior of the handle 20 to be directed to the handpiece 30 through a ventilation channel inside the handle 20.

In one example, the detachable mounting between the ventilation assembly 222 and the filter screen 221 is as follows: and (4) rotationally clamping and fixing.

Referring to the ventilation assembly 222 shown in fig. 8 and the filter screen 221 shown in fig. 9, the ventilation assembly 222 is provided with a projection 2221, and the filter screen 221 is provided with a groove 2211; the groove 2211 includes a first groove portion extending along the first direction and a second groove portion communicating with the first groove portion and extending along the second direction, and the protrusion 2221 cooperates with the groove 2211 to make the ventilation assembly 222 rotate towards the second direction and then be engaged and fixed with the filter screen 221.

The first direction is parallel to the central axis of the handle, and the second direction is a rotating direction perpendicular to the first direction. In fig. 9, the second direction is taken as an example of a counterclockwise direction with respect to the first direction, and in practical implementation, the second direction may also be a clockwise direction with respect to the first direction, and the specific arrangement manner of the second direction is not limited in this embodiment.

Optionally, the groove 2211 further includes a third groove portion spaced apart from the second groove portion by a preset distance in the second direction; projection 2221 includes a centrally located recess that divides the projection into a first projection portion and a second projection portion that mates with the third recess portion. Thus, the engagement of the second protrusion portion with the third recess portion may make the engagement between the ventilation assembly 222 and the filter screen 221 more secure, so that the ventilation assembly 222 is not easily detached from the filter screen 221 in the direction opposite to the second direction.

Optionally, the height of the second raised portion decreases gradually along the second direction. Thus, when the ventilation assembly 222 rotates in the second direction, the height of the second protruding portion gradually rises, and the rotational force required to be applied is small, thereby reducing the difficulty of mounting the ventilation assembly 222 to the filter screen 221.

The length of the concave part is a preset distance. Thus, the overall size of the projection 2221 is completely matched with that of the groove 2211, so that the phenomenon of looseness after the ventilation assembly 222 is installed on the filter screen 221 can be prevented, and the stability of clamping and fixing is improved.

Based on the above structure, when the ventilation assembly 222 is mounted on the filter screen 221, the projection 2221 is aligned with the first groove portion first, and the ventilation assembly 222 is controlled to move in the first direction; after the front end of the projection 2221 abuts against the front end wall of the first groove portion, the ventilation assembly 222 is controlled to rotate in the second direction to engage the second projection portion with the third groove portion, so that the engagement and fixation of the ventilation assembly 222 and the filter screen 221 are completed.

Optionally, projection 2221 is provided at the bottom edge of ventilation assembly 222; the recess 2211 is provided at the bottom edge of the filter screen 221. Of course, in actual implementation, the projection 2221 may be disposed at the top edge of the ventilation assembly 222; accordingly, the recess 2211 is disposed at the top edge of the filter screen 221; alternatively, the protrusions 2221 may be provided at the bottom edge and the top edge of the ventilation assembly 222; accordingly, the grooves 2211 are provided at the bottom edge and the top edge of the filter screen 221, and the present embodiment does not limit the positions where the projection 2221 and the grooves 2211 are provided.

Alternatively, the number of the protrusions 2221 may be one; alternatively, the number of the protrusions may be multiple, and the protrusions are uniformly distributed on the bottom edge of the ventilation assembly, and the number of the protrusions 2221 is not limited in this embodiment. The number of grooves 2211 is the same as the number of projections 2221.

In this embodiment, the ventilation assembly 222 is provided with a ventilation opening 2222, and the ventilation opening 2222 has a mesh structure or a stripe structure. The stripe structure is illustrated as an example in the figure.

In this embodiment, the bottom of the filter screen 221 has a through hole 2212, and the through hole 2212 is used for the cable 40 to pass through to supply power to the hand-held hair dryer 10.

Alternatively, referring to fig. 7, the handle 20 includes an inner housing 26 therein, the inner housing 26 is formed with a handle base 261, and the filter screen 221 is sleeved outside the handle base 261.

In one example, filter 221 is secured outside handle base 261 by fasteners. The fastening member may be a bolt, a screw, or the like, and the present embodiment does not limit the manner in which the filter screen 221 is fixed outside the handle base 261.

The cable 40 includes a live wire and a neutral wire. Alternatively, the cable 40 may be divided into at least two wires inside the handle 20 after one wire has been threaded through the second end 22.

The handle 20 has a housing 23 to protect the components inside the handle 20. The housing 21 extends from the handpiece 30 to an end of the second end 22 remote from the handpiece 30. The cable 40 enters the handle 20 through the housing 23 at the location of the second end 22. The cable 40 is positioned generally midway between the second end 22, 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, to ensure stability when holding the handle 20, the holding portion of the housing 23 may be provided with an anti-slip assembly; alternatively, the material of the gripping portion of the housing 23 is a non-slip material.

The handle 20 has disposed therein an air suction assembly 24, the air suction assembly 24 being adapted to draw air from the second end 22 and direct the air toward the handpiece 30. The air suction assembly 24 includes a motor and a fan, which may be integrally provided; alternatively, the device may be detachably disposed, which is not limited in this embodiment. Alternatively, the motor may be an ac induction motor, a series ac/dc motor, or a dc motor, and the present embodiment does not limit the type of the motor.

Optionally, the handle 20 is further provided with a first touch control component 25, and the first touch control component 25 is configured to receive a first touch control operation to adjust the working state of the hand-held hair dryer 10. Such as: and adjusting the on-off state of the hand-held hair drier 10 according to the first touch operation. Optionally, the first touch component 25 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), or the like, and the implementation manner of the first touch component 25 is not limited in this embodiment.

Of course, other components may also be provided inside the handle 20, such as: a fixing component for fixing the cable 40, the first touch component 25 and the air suction component 24, and the like, which are not listed here.

Referring to the schematic structural diagrams of the nose 30 shown in fig. 11 to 13, the nose 30 includes a duct 31, an air duct 32 nested outside the duct 31, a nozzle assembly 33 mounted at the front ends of the duct 31 and the air duct 32, and an end cap assembly 34 mounted at the rear ends of the duct 31 and the air duct 32. A Printed Circuit Board (PCB) 35 is disposed on a side of the air duct 31 adjacent to the end cap assembly 34.

Handpiece 30 also includes a heating assembly 36. The heating assembly 36 is disposed on the air duct 31 and is installed in a space between the air duct 31 and the air duct 32. The heating assembly 36 may be implemented as an electromagnetic heating wire, or a resistance heating wire, and the implementation manner of the heating assembly 36 is not limited in the present embodiment.

The air suction assembly 24, the first touch assembly 25 and the heating assembly 36 are electrically connected to the PCB35, and the PCB35 is electrically connected to the cable 40.

The PCB35 is used to control the operating parameters of the hand held dryer 10. Such as: adjusting operating parameters such as heating power of the heating assembly 36, rotational speed of the air suction assembly 24, etc. Accordingly, the hand-held hair dryer 10 is provided with the second touch control component 37 and the third touch control component 38, and both the second touch control component 37 and the third touch control component 38 are electrically connected to the PCB 35. The second touch control component 37 is configured to receive a second touch control operation to enable the PCB35 to adjust the heating power of the heating component 36, so as to adjust the outlet air temperature of the handheld blower 10. The third touch control assembly 38 is configured to receive a third touch control operation to enable the PCB355 to adjust the rotation speed of the air suction assembly 24 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 37 and the third touch-control assembly 38 are disposed on the end cap assembly 34; of course, in practical implementation, the second touch device 37 and the third touch device 38 can be disposed at other positions, such as: on the handle 20, the present embodiment does not limit the installation positions of the second touch device 37 and the third touch device 38.

In addition, the present embodiment is described by taking only two working parameters of the PCB35 controlling the heating power of the heating element 36 and the rotation speed of the air suction element 24 as an example, and in practical implementation, other working parameters may be additionally controlled, and accordingly, more touch elements may be integrated on the hand-held hair dryer 10, which is not illustrated herein. The second touch component 37 and the third touch component 38 can be implemented as a button component (i.e., a touch component implemented based on physical keys), or a touch display screen component (i.e., a touch component implemented based on virtual keys), and the implementation manner of the second touch component 37 and the third touch component 38 is not limited in this embodiment.

It should be added that two or three of the first touch device 25, the second touch device 37 and the third touch device 38 can also be implemented as one touch device having multiple adjustment functions.

Alternatively, the PCB35 may be implemented as a ring that fits over the duct 31. The number of layers of the PCB35 may be a single layer; alternatively, multiple layers are possible, and the number of layers of the PCB35 is not limited in this embodiment.

The tuyere assembly 33 is used to output the wind heated by the heating assembly 36 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 36 to the outside of the hand-held hair dryer 10.

Of course, the hand-held hair dryer 10 may be provided with more components, which are not illustrated here.

To sum up, the hand-held type hair-dryer that this embodiment provided, including aircraft nose and handle, the handle includes the first end that links to each other with the aircraft nose and the second end of keeping away from the aircraft nose, is formed with ventilation channel in the handle, and ventilation channel is located between first end and the second end, and the second end includes: the ventilation assembly is detachably sleeved outside the filter screen to enable external air to enter the ventilation channel, the bottom of the filter screen is the bottom of the handle, and the ventilation assembly is rotationally clamped and fixed with the filter screen; the problem that the existing fixing mode between the filter screen and the ventilation assembly is complex to disassemble can be solved; because the filter screen is fixed with the ventilation assembly in a rotating and clamping manner, the user can realize the disassembly and the assembly of the ventilation assembly only by manually rotating the ventilation assembly, the disassembly and the assembly modes between the filter screen and the ventilation assembly are simplified, and the disassembly and the assembly efficiency of the ventilation assembly are improved.

In addition, the groove is provided with a third groove part, the protrusion is provided with a second protrusion part, and the second protrusion part is matched with the third groove part; the clamping of the second protruding part and the third groove part can enable the clamping between the ventilation assembly and the filter screen to be more tight, so that the ventilation assembly is not easy to separate from the filter screen in the opposite direction of the second direction, and the structural stability of the ventilation assembly when the ventilation assembly is installed on the filter screen is improved.

In addition, the height of the second convex part is gradually reduced along the second direction; like this, when ventilation subassembly rotated to the second direction, the protruding height of second bulge rose gradually, and the required revolving force of applying is less, can reduce the degree of difficulty that ventilation subassembly installed to the filter screen.

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 express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A hand-held hair dryer comprising a head and a handle, the handle comprising a first end connected to the head and a second end remote from the head, a vent passage being formed in the handle, the vent passage being located between the first end and the second end, the second end comprising: the ventilation assembly is detachably sleeved outside the filter screen, so that external wind enters the ventilation channel, and the bottom of the filter screen is the bottom of the handle; the ventilation assembly is rotationally clamped and fixed with the filter screen.

2. The hand held hair dryer of claim 1, wherein said vent assembly has a projection disposed thereon and said filter screen has a recess disposed thereon; the groove comprises a first groove part extending along a first direction and a second groove part communicated with the first groove part and extending along a second direction, and the protrusion is matched with the groove to enable the ventilation assembly to be clamped and fixed with the filter screen after rotating towards the second direction;

3. The hand held hair dryer of claim 2, wherein said groove further comprises a third groove portion spaced a preset distance from said second groove portion in said second direction; the protrusion includes a centrally located depression dividing the protrusion into a first protrusion portion and a second protrusion portion, the second protrusion portion fitting into the third recess portion.

4. The hand held hair dryer of claim 3, wherein said second raised portion has a height of projection that decreases progressively along said second direction.

5. The hand held hair dryer of claim 3, wherein said recessed portion has a length that is said predetermined distance.

6. The hand held hair dryer of claim 2, wherein said projection is disposed at a bottom edge of the vent assembly; the groove is arranged at the bottom edge of the filter screen.

7. The hand held hair dryer of any one of claims 1 to 5, wherein said vent assembly is hollow at the bottom.

8. The hand held hair dryer of any one of claims 1 to 5, wherein said vent assembly is provided with vents, said vents being in a mesh or stripe configuration.

9. A hand held hair dryer as claimed in any one of claims 1 to 5, wherein said handle includes an inner housing therein, said inner housing forming a handle base, said filter mesh being located externally of said handle base.

10. The hand held hair dryer of claim 9, wherein said filter mesh is secured outside of said handle base by fasteners.