WO2020098128A1

WO2020098128A1 - Electric hair drie

Info

Publication number: WO2020098128A1
Application number: PCT/CN2019/070045
Authority: WO
Inventors: 肖勇; 魏绵嘉; 向斌
Original assignee: 深圳市奋达科技股份有限公司
Priority date: 2018-11-13
Filing date: 2019-01-02
Publication date: 2020-05-22
Also published as: CN209202250U

Abstract

Disclosed is an electric hair drier, comprising: an electric hair drier body, air inlet nets (11, 12) and a cleaning device (2); the air inlet nets (11, 12) are fixedly connected with the electric hair drier body; the cleaning device (2) is rotationally disposed at the air inlet side or the air outlet side of the air inlet nets (11, 12); at least one cleaning strip is fixedly mounted on the cleaning device; the cleaning strip is in contact with the air inlet nets (11, 12) such that the cleaning strip cleans the air inlet nets (11, 12) when the cleaning device (2) is in a rotating state. Thus, the air inlet nets (11, 12) of the electric hair drier can be automatically cleaned so as to avoid the inconvenience caused by manual disassembling and cleaning.

Description

An electric hair dryer

This application claims the priority of the Chinese patent application filed on November 13, 2018, with the application number 201821871341.6 and the invention titled "a hair dryer", the entire contents of which are incorporated by reference in this application.

Technical field

The present invention relates to the technical field of hairdressing products, and more particularly, to an electric hair dryer.

Background technique

The hair dryer is an indispensable product in daily life. When the hair dryer is used, the air inlet network is mainly used to block the dust or other pollutants in the air from entering the internal structure of the hair dryer. Therefore, the use of the hair dryer for a long time is likely to cause wind entry Dirty accumulation on the surface of the net even leads to clogging of the air inlet network, which affects the performance of the hair dryer, makes the air volume insufficient, and affects the use effect; even burns out the insurance of the hair dryer, causing damage to the hair dryer.

In the prior art, in view of the above problems, the air inlet network is designed as a detachable structure. When the surface of the air inlet network is dirty, the air inlet network can be disassembled, and then the disassembled air inlet network can be cleaned.

In the prior art, setting the air inlet network as a detachable structure can effectively prevent dirt from clogging the air inlet network, but it brings unnecessary workload to consumers and makes the product experience experience poor; in addition, users generally For non-professionals, it is easy to damage other structures of the hair dryer during the disassembly of the air inlet network, and even affect the normal use of the hair dryer.

In summary, how to provide an electric hair dryer with a convenient air inlet cleaning process is a problem urgently needed to be solved by those skilled in the art.

Summary of the invention

In view of this, the object of the present invention is to provide an electric hair dryer, which can automatically clean the structure of the air inlet network to avoid the inconvenience caused by manual disassembly and cleaning.

In order to achieve the above objectives, the present invention provides the following technical solutions:

An electric hair dryer includes: an electric hair dryer main body, an air inlet net and a washer, the air inlet net is fixedly connected with the electric hair dryer main body, and the washer is rotatably disposed on the air inlet side of the air inlet net Or on the air outlet side, at least one cleaning bar is fixed on the washer, the cleaning bar is in contact with the air inlet net, so that the cleaning bar performs on the air inlet net when the washer rotates Clean.

Preferably, the outer peripheral portion of the washer is provided with a locking portion for restricting rotation of the washer so that the washer is in a locked or unlocked state.

Preferably, the washer is provided with an outer ring portion located on the outer periphery of the washer, and the locking portion includes a locking surface that contacts the inner side wall of the outer ring portion.

Preferably, the locking portion is provided with a spring for fitting the locking surface to the inner side surface of the outer ring portion, and both ends of the spring are respectively connected to the locking surface and the hair dryer When the main body is connected and the locking surface is in contact with the inner surface of the outer ring portion, the spring is in a stretched state.

Preferably, the main body of the hair dryer is provided with a cleaning button connected to the locking portion, and when the cleaning button is in a depressed state, the locking surface is separated from the inner side surface of the outer ring portion.

Preferably, the air inlet net includes a first air inlet net provided at the upper part of the washer and a second air inlet net provided at the lower part of the washer, and both ends of the cleaning strip are respectively connected to the first The air inlet network is in contact with the second air inlet network.

Preferably, the central axes of the washer, the first air inlet net and the second air inlet net are coincident and are all circular, and the cleaning strips are distributed along the radial direction of the washer.

Preferably, the cleaning strip is detachably installed on the washer through screws.

Preferably, a positioning hole is provided in the middle of the washer, and a convex shaft is provided on the main body of the hair dryer, the convex shaft passes through the second air inlet net, the washer and the first An air inlet net, and a shaft sleeve with a boss is fixedly sleeved on the convex shaft.

The electric hair dryer provided by the present invention includes an electric hair dryer main body, an air inlet net, and a washer that rotates along its central axis in a blowing state. Both the air inlet net and the washer are fixedly connected to the electric hair dryer main body, and the washer is disposed on the air inlet net On the side where the wind passes, at least one cleaning bar is fixedly installed on the washer, and the cleaning bar is in contact with the air inlet net so that the cleaning bar cleans the air inlet net when the washer rotates.

During use, when the electric blower is in the blowing state, because the blowing passes through the air inlet network, the blowing will also pass through the washer and pass through the washer to enter the internal structure of the electric blower; because the washer is in the blowing state It can be rotated along its central axis, and the cleaning bar is provided with a cleaning bar, which is in contact with the air inlet network; therefore, when the washer rotates, the cleaning bar will rotate, and the cleaning bar frictionally rotates at the surface contact point of the air inlet network During the rotation of the cleaning strip, the dirt in the area where the cleaning strip is in contact with the air inlet net can be taken away, so that the air inlet net can be automatically cleaned.

The hair dryer provided by the present invention can realize automatic cleaning of the air inlet network in the state of blowing, avoiding the process of disassembling the air inlet network in the prior art, thereby avoiding damage to the hair dryer due to improper handling of the disassembly process At the same time, it also makes the use of the product more convenient and comfortable; in addition, it can also improve the performance of the product and extend the service life of the product.

BRIEF DESCRIPTION

In order to more clearly explain the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required in the embodiments or the description of the prior art. Obviously, the drawings in the following description are only This is an embodiment of the present invention. For a person of ordinary skill in the art, without paying any creative labor, other drawings may be obtained according to the provided drawings.

1 is an exploded view of the structure of the hair dryer provided by the present invention;

Figure 2 is a schematic diagram of the blowing direction of the hair dryer;

3 is a schematic structural diagram of a cleaner provided by the present invention;

4 is a schematic structural view of the locking portion;

5 is a schematic structural view of the washer in a locked state;

6 is a partial enlarged view of part B in FIG. 5;

7 is a schematic structural view of the cleaner in an unlocked state;

8 is a partial enlarged view of part C in FIG. 7;

9 is a schematic diagram of the overall structure of the hair dryer.

In Figure 1-9:

1 is the air inlet net, 11 is the first air inlet net, 12 is the second air inlet net, 2 is the washer, 21 is the bracket, 22 is the fan blade, 23 is the outer ring part, 24 is the positioning hole, 3 is the lock Stop, 31 is the locking surface, 32 is the spring, 33 is the cleaning button, 4 is the sleeve, 5 is the convex shaft, 6 is the back cover, 7 is the lower handle, 8 is the upper handle, 9 is the motor, 91 is Motor button, 10 is fan blade.

detailed description

The technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The core of the invention is to provide an electric hair dryer, which can realize automatic cleaning of the air inlet network.

Please refer to FIGS. 1-9. FIG. 1 is an exploded view of the structure of the electric hair dryer provided by the present invention; FIG. 2 is a schematic view of the blowing direction of the electric hair dryer; FIG. 3 is a schematic structural view of the washer provided by the present invention; 5 is a schematic view of the structure of the washer in a locked state; FIG. 6 is a partial enlarged view of part B of FIG. 5; FIG. 7 is a schematic view of the structure of the washer in an unlocked state; FIG. 8 is a C of FIG. 7 Partial enlarged view of part; Figure 9 is a schematic diagram of the overall structure of the hair dryer.

The invention provides an electric hair dryer, including an electric hair dryer main body, an air inlet net 1 and a washer 2, the air inlet net 1 is fixedly connected with the electric hair dryer main body, and the washer 2 is rotatably disposed on the air inlet side of the air inlet net 1 Or on the air outlet side, at least one cleaning bar is fixedly installed on the washer 2, the cleaning bar is in contact with the air inlet net 1 so that the cleaning bar can clean the air inlet net 1 when the washer 2 rotates.

The washer 2 is located on the air inlet side or the air outlet side of the air inlet net 1, and may be the upper or lower part of the air inlet net 1, or the left or right side of the air inlet net 1, and of course it may be in another position, specifically To determine according to the direction of blowing through the air inlet network 1, it is only necessary to ensure that the washer 2 can rotate when the electric blower is in the blowing state.

It should be noted that the number of the air inlet network 1 can be one, two, or multiple, depending on the actual situation; when the air inlet network 1 is one, the cleaner 2 can be located in the air inlet network 1 The upper part of can also be located at the lower part of the air inlet net 1; when the number of the air inlet net 1 is multiple, the number of corresponding washers 2 can also increase accordingly.

The shape of the washer 2 may be round or square, depending on the actual situation; in addition, because the air inlet network 1 is generally provided at the air inlet of the hair dryer, the size and shape of the washer 2 need to meet Blowing through, preferably, a hollow structure can be provided on the washer 2.

In order to enable the washer 2 to smoothly rotate in a windy state, a fan blade 22 may be provided on the washer 2. In the blown state, the fan blade 22 will drive the entire washer 2 to rotate in the direction of its central axis. Preferably, the fan blades 22 can be evenly arranged along the circumferential direction.

Of course, the washing machine 2 can also be driven to rotate by a driving device, such as a power device such as a motor, which is determined according to actual conditions.

Preferably, the washer 2 may include a bracket 21, and a fan blade 22 is provided on the bracket 21. In the blowing state, the fan blade 22 may drive the bracket 21 to rotate. The bracket 21 and the fan blade 22 may be a split structure, or may be The structure of integral die-casting is determined according to the actual situation.

During use, when a blower passes, the washer 2 will rotate along its central axis, and the air inlet net 1 is fixedly connected to the main body of the electric blower. Therefore, under the blowing state, the washer 2 will be opposite to the air inlet net 1 Rotation occurs; because the cleaning bar is set on the washer 2 and the cleaning bar is in contact with the air inlet net 1, when the washer 2 rotates, the cleaning bar will rotate with it, and the cleaning bar will be generated on the surface of the air inlet net 1 Contact friction causes the dirt on the surface of the air inlet net 1 to be taken away, and has a cleaning effect on the air inlet net 1.

The cleaning strip is fixedly installed on the washer 2. It can be one end of the cleaning strip extending in the longitudinal direction of the cleaning strip, or both ends of the cleaning strip extending in the longitudinal direction of the cleaning strip 2; it can be the length of the cleaning strip and the cleaning The central axis of the cleaner 2 is parallel, or the width direction of the cleaning strip is parallel to the central axis of the washer 2; the end of the cleaning strip is in contact with the air inlet net 1, or a side of the cleaning strip is in contact with the air inlet The contact of net 1 is determined according to the actual situation.

Therefore, the electric blower provided by the present invention can realize the automatic cleaning of the air inlet net 1 in the state of blowing, avoiding the process of disassembling the air inlet net 1 in the prior art, thereby avoiding incorrect handling due to improper handling of the disassembly process The hair dryer causes damage; at the same time, it also makes the use of the product more convenient and comfortable; in addition, it can also improve the performance of the product and extend the service life of the product.

Preferably, the cleaning strip is installed at the non-rotating central position of the washer 2; in addition, in order to make the cleaning effect better, the cleaning strips can be densely arranged along the radial direction of the washer 2, so that the cleaning strip can perform a comprehensive Clean.

On the basis of the above-mentioned embodiment, in order to avoid the blowing process, the washer 2 is always in the cleaning state of the air inlet net 1, and the dirt on the air inlet net 1 will be blown out with the blower and adhere to the surface of the hair; The outer peripheral portion of the washer 2 is provided with a lock portion 3 for restricting the rotation of the washer 2 so that the washer 2 is in a locked or unlocked state.

The locking portion 3 can be connected with the washer 2 in a snap-fit connection, or can be other connection methods, as long as the washer 2 is locked or unlocked.

When the washer 2 is in the locked state, as shown in part B of FIG. 5, even if there is a blow through, the washer 2 will not rotate; when the washer 2 is unlocked, as shown in part C of FIG. 7, when there is When the air blows through, the washer 2 will rotate.

In the process of use, when the air inlet network 1 needs to be cleaned, the washer 2 can be placed in an unlocked state, so that the air outlet of the hair dryer is directed to the trash can or other garbage collection points, so that the hair dryer is in the blowing state. When the air inlet 1 is cleaned by the washer 2; when the air inlet 1 is not required to be cleaned, the washer 2 can be placed in a locked state during use to prevent the washer 2 from entering the air inlet 1 When washing, the dirt falls on the hair with the blower.

At the same time, when the surface of the air inlet net 1 is not dirty and no cleaning is needed, the cleaning strip and the air inlet net 1 are in contact friction state for a long time, causing the cleaning bar to wear.

Considering that the locking method of the lock portion 3 is further limited, an outer ring portion 23 located on the outer periphery of the washer 2 may be provided on the washer 2, and a contact surface of the outer ring portion 23 may be provided on the lock portion 3的 Locking surface 31.

When the locking surface 31 contacts the inner surface of the outer ring portion 23, due to the friction between the two contact surfaces, the rotation of the washer 2 can be prevented, so the washer 2 is in a locked state; when the locking surface 31 is in contact with the outer ring When the inner surface of the portion 23 is separated, the washer 2 is in an unlocked state.

Preferably, a texture for increasing frictional force may be provided on the locking surface 31 to increase the frictional force between the locking surface 31 and the inner side surface of the outer ring portion 23 to prevent the washer 2 from overcoming the frictional force when the blowing wind is strong Rotation occurs.

On the basis of the above embodiment, in order to keep the washer 2 in the locked state, the locking surface 31 and the inner surface of the outer ring portion 23 can be closely adhered to each other, and the locking portion 3 may be provided for locking the surface 31 A spring 32 attached to the inner surface of the outer ring portion 23, one end of the spring 32 is connected to the lock surface 31, and the other end is connected to the hair dryer body, and when the lock surface 31 is attached to the inner surface of the outer ring portion 23 , The spring 32 is in a stretched state.

Since the spring 32 in the stretched state has a force to return to the original length, the spring 32 will cause the locking surface 31 to move toward the inner side of the outer ring portion 23, so the locking surface 31 and the There is a gap between the inner surface of the outer ring portion 23; thus, the friction between the locking surface 31 and the inner surface of the outer ring portion 23 can be further increased, so that the locked state of the two is more reliable.

The selection of the spring 32 is related to the force required during the pressing process and the friction force required to avoid the rotation of the washer 2, and the specific needs to be determined according to the actual situation.

In order to facilitate the actual operation during the use of the hair dryer, a cleaning button 33 connected to the locking portion 3 may be provided on the main body of the hair dryer, and when the cleaning button 33 is in a depressed state, the locking surface 31 and the inner portion of the outer ring portion 23 Side separation.

Specifically, the cleaning button 33 can be used in the following manner: when the button is continuously pressed, the washer 2 is in an unlocked state, and when released, the washer 2 is in a locked state; or it can be pressed down once, and the washer 2 is in an unlocked state Or locked state, press again to switch state.

In order to facilitate the pressing of the cleaning button 33, an anti-slip texture, such as cross embossing and stripes, may be provided on the upper surface of the cleaning button 33.

On the basis of the above-mentioned embodiment, in order to increase the isolation effect of the air inlet network 1 on the dirt in the air, the air inlet network 1 may include the first air inlet network 11 and the second air inlet network 12, and in order to make the first Both the air inlet net 11 and the second air inlet net 12 can be automatically cleaned, and the washer 2 can be disposed between the first air inlet net 11 and the second air inlet net 12, and the two ends of the cleaning strip are respectively connected to the first The air inlet 11 and the second air inlet 12 are in contact.

In order to improve the cleaning effect, it is preferable that the cleaning strip can be made of brushes, of course, it can also be a cleaning strip of other materials, which is determined according to the actual situation.

In order to clean the surfaces of the first air inlet net 11 and the second air inlet net 12 during the rotation of the cleaning strip, preferably, the first air inlet net 11 and the second air inlet net 12 may be parallel Arranged so that the distances between the first air inlet net 11 and the second air inlet net 12 are equal.

In order to reduce the number of cleaning strips as much as possible without affecting the cleaning effect of the air inlet net 1, the central axes of the washer 2, the first air inlet net 11 and the second air inlet net 12 can coincide, and all It is circular, so that the cleaning strips are distributed along the radial direction of the washer 2.

During the rotation of the washer 2, the cleaning strips distributed along the radial direction of the washer 2 will sequentially sweep across the surface of the air inlet net 1 along the circumferential direction, so that it will not affect the cleaning effect of the air inlet net 1 and is not used The cleaning strips are arranged at more positions, so that the usage of the cleaning strips is reduced.

Preferably, the cleaning strips can be distributed radially along a certain radius of the washer 2, and the adjacent cleaning strips closely fit.

Preferably, in order to allow the cleaning strip to sufficiently clean the air inlet net 1, the size of the washer 2 may be equal to or larger than the size of the air inlet net 1.

Since the cleaning strip will be worn during use, the cleaning strip may be detachably installed on the washer 2 by screws. When the cleaning strip needs to be replaced, the screws are removed for replacement. Of course, the cleaning strip can also be installed on the washer 2 in other detachable ways, which will not be repeated here.

In order to make the installation process of the washer 2 more convenient, a positioning hole 24 can be provided in the middle of the washer 2 and a convex shaft 5 can be provided on the main body of the hair dryer. The convex shaft 5 passes through the second air inlet 12 and the washer in turn 2 and the first air inlet net 11, in order to prevent the washer 2 from falling off the convex shaft 5 during the rotation process, a shaft sleeve 4 with a boss may be fixedly fitted on the convex shaft 5.

The boss of the shaft sleeve 4 can prevent the air inlet net 1 and the washer 2 from coming out, and plays a role of limiting.

Preferably, the sleeve 4 passes through the positioning hole 24 in the longitudinal direction, and the side wall of the positioning hole 24 is in clearance fit with the outer side wall of the sleeve 4.

In another specific embodiment, the main body of the hair dryer includes a lower handle 7, a back cover 6, and an upper handle 8, which are installed in cooperation to form a housing structure for the hair dryer and a mounting base structure for internal components; the internal settings of the hair dryer There is a motor 9 for driving the fan blade 10 to rotate, thereby generating a blower. The main body of the electric blower is provided with a motor button 91 for controlling the rotation of the motor 9; After passing through the first air inlet 11, the washer 2 and the second air inlet 12 in turn, the washer 2 rotates under the driving of the blower, thereby driving the cleaning strip to clean the air inlet 1.

It should be noted that the first air inlet network 11 and the second air inlet network 12 mentioned in the present invention are only for distinguishing different positions, and there is no order.

The embodiments in this specification are described in a progressive manner. Each embodiment focuses on the differences from other embodiments, and the same or similar parts between the embodiments may refer to each other. Any combination of all embodiments provided by the present invention is within the protection scope of the present invention, and will not be repeated here.

The hair dryer provided by the present invention has been described in detail above. In this paper, specific examples are used to explain the principles and implementations of the present invention. The descriptions of the above examples are only used to help understand the method of the present invention and its core ideas. It should be noted that for those of ordinary skill in the art, without departing from the principles of the present invention, the present invention may also be subject to several improvements and modifications, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims

An electric hair dryer is characterized by comprising: an electric hair dryer main body, an air inlet net (1) and a washer (2), the air inlet net (1) is fixedly connected with the electric hair dryer main body, and the washer ( 2) Rotatably arranged on the air inlet side or the air outlet side of the air inlet network (1), at least one cleaning bar is fixed on the washer (2), the cleaning bar and the air inlet network ( 1) Contacting, so that the cleaning strip cleans the air inlet net (1) when the washing machine (2) rotates.
The hair dryer according to claim 1, characterized in that an outer peripheral portion of the washer (2) is provided with a mechanism for restricting rotation of the washer (2) to lock or unlock the washer (2) The lock part (3) in the state.
The electric hair dryer according to claim 2, characterized in that the washer (2) is provided with an outer ring portion (23) located on the outer periphery of the washer (2), and the locking portion (3) includes A locking surface (31) in contact with the inner side wall of the outer ring portion (23).
The hair dryer according to claim 3, characterized in that the locking portion (3) is provided with a surface for engaging the locking surface (31) with the inner surface of the outer ring portion (23) A spring (32), both ends of the spring (32) are respectively connected to the locking surface (31) and the hair dryer body, and the locking surface (31) and the outer ring portion (23) When the inner side of the is fitted, the spring (32) is in a stretched state.
The electric hair dryer according to claim 4, characterized in that the main body of the electric hair dryer is provided with a cleaning button (33) connected to the locking portion (3), and the cleaning button (33) is in a downward pressure In this state, the locking surface (31) is separated from the inner surface of the outer ring portion (23).
The electric hair dryer according to any one of claims 1 to 5, characterized in that the air inlet net (1) includes a first air inlet net (11) provided on the upper part of the washer (2) and an At the second air inlet net (12) at the lower part of the washer (2), both ends of the cleaning strip are in contact with the first air inlet net (11) and the second air inlet net (12), respectively.
The electric hair dryer according to claim 6, characterized in that the central axes of the washer (2), the first air inlet net (11) and the second air inlet net (12) coincide and are all Circular, the cleaning strips are distributed along the radial direction of the washer (2).
The electric hair dryer according to claim 7, characterized in that the cleaning strip is detachably mounted on the washer (2) by screws.
The electric hair dryer according to claim 8, characterized in that a positioning hole (24) is provided in the middle of the washer (2), and a protrusion shaft (5) is provided on the main body of the hair dryer, the protrusion The shaft (5) passes through the second air inlet net (12), the washer (2) and the first air inlet net (11) in sequence, and the convex shaft (5) is fixedly fitted with Shaft sleeve (4) with boss.