CN217243025U

CN217243025U - Hair drier

Info

Publication number: CN217243025U
Application number: CN202220986986.4U
Authority: CN
Inventors: 冯业
Original assignee: Shenzhen Lemei Science & Technology Co ltd
Current assignee: Shenzhen Lemei Science & Technology Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-08-23
Anticipated expiration: 2032-04-26

Abstract

The utility model discloses a hair drier, wherein, the hair drier comprises a shell, a fan component, an air duct and a tuyere, the shell is provided with an air inlet, an air outlet and a main through cavity connected between the air inlet and the air outlet, and the side surface of the shell close to the air outlet is provided with a vent; the fan assembly is arranged in the main through cavity and is configured to drive airflow to flow from the air inlet to the air outlet; the air duct is arranged in the main through cavity, at least part of the air duct is positioned at the air outlet, the air duct is provided with an air supply duct communicated with the air outlet and the main through cavity, a diversion air duct is formed between the air duct and the shell, and the diversion air duct is communicated with the air vent and the air outlet; the tuyere is detachably sleeved on the outer side surface of the air guide cylinder so as to separate the air supply duct from the flow guide duct. The utility model discloses when technical scheme can promote the hair-dryer air output, be convenient for adjust the air-out state of hair-dryer according to different air-out demands.

Description

Hair drier

Technical Field

The utility model relates to a hairdressing product technical field, in particular to hair-dryer.

Background

The blower directly drives the rotor by the motor to drive the fan blades to rotate, when the fan blades rotate, air is sucked from the air inlet, and centrifugal airflow formed by the air inlet is blown out from the front outlet of the air duct. At present, in order to increase the air output of the hair dryer, the air output is generally realized by increasing the size and the power of the fan, however, when the air output is set in this way, the size and the weight of the hair dryer can be increased, the user can easily feel fatigue on arms when the air outlet is used for a long time, and even if the air output of the hair dryer is increased by increasing the size and the power of the fan, the air outlet structure of the hair dryer is fixed, and the air output requirement which is not used by the user is difficult to meet.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hair-dryer, when aiming at promoting the hair-dryer air output, be convenient for adjust the air-out state of hair-dryer according to different air-out demands.

In order to achieve the above object, the present invention provides a hair dryer, including:

the air conditioner comprises a shell, a fan and a fan, wherein the shell is provided with an air inlet, an air outlet and a main through cavity connected between the air inlet and the air outlet, and the side surface of the shell close to the air outlet is provided with a vent;

the fan assembly is arranged in the main through cavity and is configured to drive airflow to flow from the air inlet to the air outlet;

the air duct is arranged in the main through cavity, at least part of the air duct is positioned at the air outlet, the air duct is provided with an air supply duct communicated with the air outlet and the main through cavity, a flow guide duct is formed between the air duct and the shell, and the flow guide duct is communicated with the air vent and the air outlet; and

and the air nozzle is detachably sleeved on the outer side surface of the air guide cylinder so as to separate the air supply duct from the air guide duct.

Optionally, the air nozzle includes a sleeved section and an air guide section which are connected, the sleeved section is detachably sleeved on the outer side surface of the air guide tube, the length of the sleeved section is smaller than that of the air guide duct, and at least part of the vent is located on one side of the sleeved section, which is far away from the air guide section.

Optionally, the blower further comprises a heating assembly, and the heating assembly is arranged in the air supply duct and is located between the fan assembly and the air outlet.

Optionally, the outer side surface of the air duct is a complete revolution surface.

Optionally, at least one of the inner side of the main through cavity and the outer side of the air duct is provided with a baffle ring, the baffle ring is arranged on the periphery of the air duct, and the baffle ring is positioned on one side of the vent far away from the air outlet.

Optionally, the baffle ring is integrally formed on at least one of the housing and the air duct.

Optionally, the hair-dryer still includes the dress trim ring, the dress trim ring is equipped with the slot, the periphery of air outlet is equipped with the picture peg that extends along the air-out direction, the picture peg in the slot, dress trim ring inner ring part is equipped with joint portion, joint portion joint in the inner wall in owner leads to the chamber.

Optionally, at least a portion of the air supply duct close to the air outlet is in a shrinking arrangement.

Optionally, the blower further comprises a heating assembly, and the heating assembly is arranged in the air supply duct.

Optionally, one end of the housing, which is far away from the air outlet, is provided with a convex arc surface which is raised in a direction far away from the air outlet, and the convex arc surface is provided with a plurality of air inlets.

Optionally, the shell includes shell main part and back lid, the one end of shell main part is equipped with the air outlet, and the other end is equipped with the installing port, main lead to the chamber communicate in the installing port with between the air outlet, back lid detachably cover is located the installing port, and be formed with the convex arc face with the air intake.

The utility model discloses technical scheme is through the main intracavity setting air duct that leads to at the shell for the air duct part at least is located air outlet department, and forms the water conservancy diversion wind channel with the shell air outlet intercommunication between air duct and the shell, and the side that is close to the air outlet on the shell simultaneously is equipped with the vent with water conservancy diversion wind channel intercommunication. When the fan assembly drives the air outlet airflow to be blown out from the air outlet, the air around the blower can be driven to flow into the diversion air duct through the air inlet under the driving of the air outlet airflow due to the Venturi effect, and the traction airflow flowing out from the air outlet after passing through the diversion air duct is formed. Therefore, the air flow can be pulled to be blown out along with the air outlet flow, so that the air outlet quantity of the hair drier can be increased under the condition of not increasing the power and the size of the fan, a user can conveniently dry hair in a short time, and the weight and the volume of the hair drier are favorably reduced. The air outlet nozzle is sleeved on the outer side surface of the air guide tube, so that the air outlet state of the blower can be changed through the air outlet nozzle when the air outlet airflow is blown out through the air outlet nozzle. The user can change the air-out state of hair-dryer through installing the tuyere promptly for the hair-dryer has the air-out state (do not install the tuyere) that directly blows out from the shell air outlet and the air-out state after installing the tuyere and blow out through the tuyere, and the user of being convenient for adjusts the air-out state of hair-dryer according to different air-out demands. And when locating air supply duct and water conservancy diversion wind channel through the lateral surface of wind scooper cover and separating air duct, compare in inserting the back with the tuyere from the air outlet, make the laminating of tuyere outer peripheral face and the internal face in main logical chamber and the mode of shutoff vent, the size of casing is less compared to the size of wind scooper, shaping precision is easily controlled, thereby can make the cooperation precision of wind scooper and tuyere higher, it is inseparable to laminate between promotion tuyere and the dryer, thereby can promote the sealing performance between tuyere and the dryer, can also make the tuyere installation stable, reduce the risk that the tuyere drops in the use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of an embodiment of a hair dryer of the present invention;

figure 2 is a cross-sectional view of the blower of figure 1;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a schematic view of the blower of FIG. 1 after bursting the ornamental ring;

FIG. 5 is an enlarged view at B in FIG. 4;

figure 6 is an exploded view of the filter and back cover of the blower of figure 1 at an alternate angle;

FIG. 7 is an enlarged view at C of FIG. 6;

fig. 8 is a schematic structural view of the rear cover in fig. 6.

The reference numbers indicate:

10. a housing; 11. a housing main body; 101. an installation port; 102. an air outlet; 103. a main through cavity; 104. a vent; 111. a baffle ring; 112. inserting plates; 113. avoiding the groove; 114. clamping convex; 115. a first step portion; 1151. a front convex section; 1152. a rear convex section; 1153. buckling holes; 1154. clamping the convex part; 1155. positioning holes; 116. a second step portion; 117. a first housing; 118. a second housing; 119. a support grid; 12. a rear cover; 121. an air inlet; 122. a convex arc surface; 123. buckling; 124. clamping holes; 125. a positioning projection; 20. an air duct; 21. an air supply duct; 22. a diversion air duct; 30. a tuyere; 31. a sleeving section; 32. an air guide section; 40. a fan assembly; 50. an electric control device; 60. a heating assembly; 70. a decorative ring; 71. a slot; 72. a clamping part; 80. and (5) a filter screen.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a hair drier.

In the embodiment of the present invention, referring to fig. 1 to 8, the hair dryer includes a housing 10, a blower assembly 40, an air duct 20 and a nozzle 30, the housing 10 is provided with an air inlet 121, an air outlet 102 and a main through cavity 103 connected between the air inlet 121 and the air outlet 102, and the side of the housing 10 close to the air outlet 102 is provided with vents 104 (the number of the vents 104 may be one or more). The fan assembly 40 is disposed within the main cavity 103, and the fan assembly 40 is configured to drive airflow from the inlet opening 121 to the outlet opening 102.

The air duct 20 is installed in the main through cavity 103, at least a part of the air duct 20 is located at the air outlet 102, the air duct 20 is provided with an air supply duct 21 communicating the air outlet 102 and the main through cavity 103, a guide duct 22 is formed between the air duct 20 and the housing 10, and the guide duct 22 communicates the air vent 104 and the air outlet 102. The air nozzle 30 is detachably sleeved on the outer side surface of the air guide tube 20 to separate the air supply duct 21 and the air guide duct 22.

That is, the hair dryer has at least one tuyere 30, and the type of the tuyere 30 may be various, for example, the tuyere 30 may be a flat-nose tuyere 30 (a wind collecting tuyere 30), or the tuyere 30 may be a diffusing tuyere 30 (a wind combing tuyere 30), or the tuyere 30 may be a straight tube, and so on.

In this embodiment, the hair dryer further includes an electric control device 50 and a heating assembly 60, the fan assembly 40 and the heating assembly 60 are both electrically connected to the electric control device 50, the heating assembly 60 is disposed in the air supply duct 21 and located between the fan assembly 40 and the air outlet 102, and when the fan assembly 40 is started, the fan assembly 40 is used for driving an external air flow to enter from the air inlet 121 and driving the air flow to flow through the heating assembly 60 and then blow out from the air outlet 102. The specific structure of the motor assembly, the electric control device 50 and the heating assembly 60 can refer to the prior art, and are not described in detail herein.

The outer diameter of the air duct 20 is approximately equal to the inner diameter of the air nozzle 30, so that the air nozzle 30 can be slightly sleeved on the outer side surface of the air duct 20 in an interference fit manner, the air nozzle 30 and the air duct 20 are arranged in a sealing manner, and external air flow is prevented from flowing to the air outlet 102 from the space between the air nozzle 30 and the air duct 20 under the condition that the air nozzle 30 is installed.

Under the condition that the air nozzle 30 is not installed at the air outlet 102, when the fan assembly 40 drives the outlet airflow to blow out from the air outlet 102, the air around the blower can be driven to flow into the diversion air duct 22 through the air inlet 104 under the driving of the outlet airflow due to the venturi effect, and a traction airflow flowing out from the air outlet 102 after passing through the diversion air duct 22 is formed. Therefore, the traction airflow can be blown out together with the outlet airflow, namely the outlet airflow carries the traction airflow to be blown out together. Therefore, the air output of the hair drier can be increased under the condition of not increasing the power and the size of the fan, so that a user can conveniently dry hair in a short time, and the weight and the volume of the hair drier are reduced.

Under the condition that the air nozzle 30 is sleeved on the air duct 20, the air supply duct 21 and the air guide duct 22 can be separated by the air nozzle 30, so that the generation of traction air flow is avoided, and the air output quantity blown out from the air outlet 102 is approximately equal to the air input quantity entering from the air inlet 121. Moreover, when the air nozzle 30 is the air collecting nozzle 30, the condition that the outlet air flows out of the air guide duct and the air vent 104 due to the resistance effect caused by the small size of the outlet end of the air nozzle 30 can be avoided, and the loss of the outlet air flow is avoided.

The utility model discloses technical scheme is through setting up air duct 20 in the main chamber 103 that leads to at shell 10 for air duct 20 part at least is located air outlet 102 department, and forms the water conservancy diversion wind channel 22 that communicates with shell 10 air outlet 102 between air duct 20 and the shell 10, and the side that is close to air outlet 102 on shell 10 simultaneously is equipped with the vent 104 that communicates with water conservancy diversion wind channel 22. Thus, when the fan assembly 40 drives the outlet airflow to be blown out from the outlet 102, the air around the blower can be driven to flow into the diversion air duct 22 through the air inlet 104 due to the venturi effect, and a traction airflow flowing out from the outlet 102 after passing through the diversion air duct 22 is formed. Therefore, the air flow can be pulled to be blown out together with the air flow, so that the air output of the hair drier can be increased under the condition of not increasing the power and the size of the fan, a user can dry hair in a short time conveniently, and the weight and the volume of the hair drier can be reduced. The air outlet 30 is sleeved on the outer side surface of the air duct 20, so that when the outlet air flow is blown out through the air outlet 30, the outlet air state of the hair dryer can be changed through the air outlet 30. That is, the user can change the air outlet state of the hair dryer by installing the air nozzle 30, so that the hair dryer at least has the air outlet state (without installing the air nozzle 30) directly blown out from the air outlet 102 of the housing 10 and the air outlet state blown out from the air nozzle 30 after installing the air nozzle 30, and the user can conveniently adjust the air outlet state of the hair dryer according to different air outlet requirements.

And when air supply duct 21 and water conservancy diversion wind channel 22 are separated through locating the lateral surface of air duct 20 with tuyere 30 cover, compare in inserting the back with tuyere 30 from air outlet 102, make the laminating of tuyere 30 outer peripheral face and the internal wall face of main logical chamber 103 and the mode of shutoff vent 104, the size of air duct 20 is less than the size of shell 10, the shaping precision is easily controlled, thereby can make air duct 20 and tuyere 30's cooperation precision higher, promote laminating compactness between tuyere 30 and the dryer, thereby can promote the sealing performance between tuyere 30 and the dryer, can also make tuyere 30 install stably, reduce the risk that tuyere 30 drops in the use.

In some embodiments, the air nozzle 30 includes a sleeve section 31 and an air guiding section 32 connected to each other, the sleeve section 31 is detachably sleeved on the outer side of the air guiding tube 20, the length of the sleeve section 31 is smaller than the length of the air guiding duct 22, and at least a portion of the ventilation opening 104 is located on a side of the sleeve section 31 away from the air guiding section 32. Namely, the outer side surface of the air duct 20 is sleeved with the sleeving section 31 to be located in the guide air duct 22, so that at least part of the ventilation opening 104 is communicated with the guide air duct 22, and thus, when the heating assembly 60 in the hair dryer works, heat can be dissipated through the guide air duct 22 and the ventilation opening, and the risk that the air nozzle 30 falls off due to thermal deformation is reduced.

In some embodiments, the outer side of the air guide duct 20 is a complete surface of revolution. Therefore, the contact area between the air nozzle 30 and the air duct is larger, the air nozzle is attached more tightly, the sealing performance between the air nozzle 30 and the air duct is improved, and the air nozzle 30 is installed stably. Of course, in other embodiments, a plurality of flow guiding grooves may be distributed on the outer side surface of the air guiding barrel 20 along the circumferential direction thereof to increase the sectional area of the flow guiding duct 22, so that when the air nozzle 30 is installed, the air nozzle 30 covers the flow guiding grooves to separate the flow guiding grooves from the ventilation opening 104.

In some embodiments, at least one of the inner side of the main through cavity 103 and the outer side of the air guide duct 20 is provided with a baffle ring 111, the baffle ring 111 is arranged around the outer periphery of the air guide duct 20, and the baffle ring 111 is located on a side of the vent 104 away from the air outlet 102. That is, the baffle ring 111 is located between the inner side of the main through cavity 103 and the outer side of the air guiding duct 20 to block the airflow from flowing from between the inner side of the main through cavity 103 and the outer side of the air guiding duct 20 toward the air inlet 121. Thus, the structure is simple, and the forming is convenient. Of course, in other embodiments, the inner side surface of the main through cavity 103 and the outer side surface of the air guiding duct 20 may be in direct contact.

In some embodiments, at least one of the casing 10 and the air duct 20 is integrally formed with a baffle ring 111. Thus, the number of parts of the hair dryer can be reduced, the mounting steps of the retainer ring 111 can be reduced, the assembly process of the hair dryer can be simplified, and the cost can be reduced. In this embodiment, a stopper ring 111 is integrally formed on the inner side of the casing 10 (the inner side of the main passage cavity 103), and the inner side of the stopper ring 111 abuts against the outer side surface of the air guide duct 20. In another embodiment, a baffle ring 111 is integrally formed on the outer side surface of the air duct 20, and the outer side of the baffle ring 111 abuts against the inner side of the main through cavity 103. In other embodiments, the baffle ring 111 is integrally formed between the casing 10 and the air duct 20, the inner side of the baffle ring 111 on the casing 10 abuts against the outer side surface of the air duct 20, the outer side of the baffle ring 111 on the air duct 20 abuts against the inner side of the main through cavity 103, and the baffle ring 111 on the casing 10 and the baffle ring 111 on the air duct 20 are distributed along the axial direction of the air duct 20. In addition, in other embodiments, the baffle ring 111 may be provided separately, for example, the baffle ring 111 is a sealing ring.

In some embodiments, the hair dryer further includes a decoration ring 70, the decoration ring 70 has a slot 71, the periphery of the air outlet 102 has an insertion plate 112 extending along the air outlet direction, the insertion plate 112 is inserted into the slot 71, the inner ring portion of the decoration ring 70 has a clamping portion 72, and the clamping portion 72 is clamped to the inner wall of the main cavity 103. That is, the decoration ring 70 is annularly disposed on the edge portion of the air outlet 102, so that the decoration ring 70 is additionally disposed at the air outlet 102, when the hair dryer falls or collides with other objects, the portion of the outer shell 10 located at the outlet can be prevented from being collided, and the risk of breaking the outer shell 10 can be reduced. Even if the decoration ring 70 is damaged, only the decoration ring 70 needs to be replaced, and the whole casing 10 or the blower does not need to be replaced. In addition, the decoration ring 70 is provided separately from the housing 10, and the decoration ring 70 may be made of a material (e.g., metal, nylon, or composite material) having good physical properties (e.g., strength, toughness, or wear resistance).

In an embodiment, the insertion groove 71 is annular and extends along the circumferential direction of the decoration ring 70, the insertion plate 112 is annular and extends along the circumferential direction of the air outlet 102, and the annular insertion plate 112 is correspondingly inserted into the annular insertion groove 71, so that the structural strength of the insertion plate 112 is high, the contact area between the housing 10 and the decoration ring 70 is large, and the installation stability of the decoration ring 70 can be improved. In another embodiment, the decoration ring 70 has a plurality of slots 71, the slots 71 are spaced along the circumference of the decoration ring 70, the periphery of the air outlet 102 has a plurality of insertion plates 112, and the insertion plates 112 are inserted into the slots 71 in a one-to-one correspondence.

In some embodiments, an avoiding groove 113 is formed in the inner wall of the main passage cavity 103, a clamping protrusion 114 is formed in the avoiding groove 113, and the clamping portion 72 is located in the avoiding groove 113 and clamped to the clamping protrusion 114, so that the protruding height of the clamping portion 72 relative to the inner wall of the main passage cavity 103 can be reduced, or the clamping portion 72 is prevented from protruding out of the inner wall of the main passage cavity 103, and the clamping portion 72 is prevented from interfering with the air nozzle 30.

In some embodiments, at least a portion of the air supply duct 21 near the air outlet 102 is disposed in a shrinking manner. Thus, the air speed at the air outlet 102 can be increased, which is more favorable for driving the outside airflow to flow into the diversion air duct 22 from the ventilation opening 104, and the air outlet speed and the air outlet volume can be increased. Of course, in other embodiments, the air supply duct 21 may have a straight cylindrical shape.

In some embodiments, an end of the housing 10 away from the air outlet 102 has a convex arc surface 122 protruding in a direction away from the air outlet 102, and the convex arc surface 122 is provided with a plurality of air inlets 121. One end of the outer shell 10 far away from the air outlet 102 is provided with a convex arc surface 122 protruding towards the direction far away from the air outlet 102, and a plurality of air inlets 121 are distributed on the convex arc surface 122. Therefore, more air inlets 121 can be arranged on the convex arc surface 122, and the air inlet area of the air inlets 121 can be increased, so that the air flow velocity at the air inlets 121 can be reduced, and the possibility of noise generation caused by too high air flow velocity at the air inlets 121 can be reduced. Meanwhile, all the air inlets 121 are uniformly distributed on the convex arc surface 122, the air flow flowing to the air inlets 121 can better slide to each air inlet 121 along the convex arc surface 122, and the collision between the air flow and the convex arc surface 122 and the noise generated by the turbulence of the air flow can be reduced.

In some embodiments, the housing 10 includes a housing body 11 and a rear cover 12, one end of the housing body 11 is provided with an air outlet 102, the other end is provided with a mounting port 101, a main through cavity 103 is communicated between the mounting port 101 and the air outlet 102, and the rear cover 12 is detachably covered on the mounting port 101 and is formed with a convex arc surface 122 and an air inlet 121. So can be convenient for form back lid 12 alone, in addition after using for a long time, also can be through dismantling back lid 12 to can clear up the dust in the shell main part 11 and on back lid 12.

In some embodiments, the shell main body 11 is provided with a first step 115 at an edge portion of the mounting opening 101, the first step 115 surrounds the mounting opening 101 and is recessed relative to an outer surface of the shell main body 11, and a peripheral edge of the rear cover 12 is engaged with the first step 115. Specifically, the depth of the recess of the first step 115 with respect to the outer surface of the case main body 11 is substantially equal to the thickness of the peripheral edge portion of the rear cover 12, which corresponds to overlapping the peripheral edge of the rear cover 12 with the first step 115, so that the outer surface of the rear cover 12 is substantially flush with the outer surface of the case main body 11 when the peripheral edge of the rear cover 12 is correspondingly engaged with the first step 115. That is, the first step 115, it is possible to reduce the protruding height of the rear cover 12 with respect to the outer surface of the case main body 11 or to prevent the rear cover 12 from protruding from the outer surface of the case main body 11.

In some embodiments, the first step 115 is a continuous ring structure, so that the structural strength of the first step 115 is high, and the contact area with the rear cover 12 is large, which can improve the installation stability of the rear cover 12. Of course, in other embodiments, the first step 115 includes a plurality of connecting portions, the connecting portions are spaced apart along the circumference of the mounting opening 101, and the rear cover 12 is engaged with the connecting portions.

In some embodiments, one of the case main body 11 and the rear cover 12 is provided with a fastening hole 1153, and the other is provided with a catch 123 snap-fitted with the fastening hole 1153. Specifically, one of the first step portion 115 and the rear cover 12 is provided with a fastening hole 1153, and the other is provided with a catch 123 snap-fitted with the fastening hole 1153. So make the joint simple structure of shell main part 11 and back lid 12, be favorable to simplifying the structure of shell main part 11 and back lid 12, make buckle 123 peg graft in lock joint hole 1153 in addition, can make buckle 123 great with the area of contact of lock joint hole 1153, when realizing that the joint is fixed, can also promote the spacing effect of back lid 12, can effectively prevent the not hard up condition of back lid 12 relative shell main part 11 promptly, promote back lid 12 installation stability.

In this embodiment, the inner portion of the periphery of the rear cover 12 is provided with the buckle 123, the first step 115 is provided with the buckle hole 1153, specifically, compared with the structure of the buckle hole 1153, the size of the buckle 123 is smaller, by disposing the buckle hole 1153 on the shell main body 11, the buckle hole 1153 can be disposed by making full use of the space on the shell main body 11, so that the structural strength of the buckle hole 1153 is higher, and when the buckle 123 is disposed on the rear cover 12, the occupied space of the buckle 123 on the rear cover 12 is smaller, which is beneficial to reducing the thickness of the rear cover 12, so that the hole depth of the air inlet 121 on the rear cover 12 is smaller, thereby reducing the wind resistance, and also simplifying the structure of the rear cover 12. Of course, in other embodiments, the snap-fit hole 1153 may be disposed on the back cover 12, and the snap 123 may be disposed on the first step 115. In addition, a snap 123 may be provided on both the first step 115 (the case main body 11) and the rear cover 12, and the snap 123 on the first step 115 (the case main body 11) and the snap 123 on the rear cover 12 are snapped to each other.

In some embodiments, first stage 115 includes at least one front convex segment 1151 and at least one rear convex segment 1152, front convex segment 1151 is disposed to be convex toward air outlet 102 relative to rear convex segment 1152, front convex segment 1151 and rear convex segment 1152 are alternately arranged in sequence along the circumference of mounting opening 101, and the circumference of rear cover 12 is adapted to be mounted on front convex segment 1151 and rear convex segment 1152. Specifically, the first stage 115 is a continuous ring structure, and the front convex section 1151 and the rear convex section 1152 are both disposed in an arc shape, that is, the front convex section 1151 is a convex arc shape protruding toward the direction close to the air outlet 102, and the rear convex section 1152 is a convex arc shape protruding toward the direction away from the air outlet 102. The front convex sections 1151 and the rear convex sections 1152 are sequentially and alternately distributed along the circumferential direction of the mounting opening 101, which is equivalent to that the first step portion 115 is in a wave-shaped structure in the circumferential direction of the mounting opening 101, so that the contact area between the housing 10 and the rear cover 12 can be increased, and the mounting stability of the rear cover 12 can be improved. Wherein, the number of the front convex segments 1151 can be one, two, three or more, and the number of the rear convex segments 1152 is the same as that of the front convex segments 1151.

In some embodiments, the first step 115 has at least two front protruding sections 1151 respectively disposed on two opposite sides of the mounting opening 101, each of the two front protruding sections 1151 is provided with a fastening hole 1153, a portion of the rear cover 12 corresponding to the front protruding section 1151 is provided with a buckle 123 extending toward the fastening hole 1153, walls of the two fastening holes 1153, which are away from each other, are provided with a clamping protrusion 1154, the buckle 123 is clamped to the clamping protrusion 1154, and a movable space is formed between a side of the buckle 123 facing away from the clamping protrusion 1154 and the wall of the fastening hole 1153. Specifically, in the present embodiment, the first stage 115 has two front convex sections 1151 and two rear convex sections 1152, the two front convex sections 1151 and the two rear convex sections 1152 are sequentially and alternately distributed along the circumferential direction of the mounting opening 101, and the two front convex sections 1151 are respectively disposed on two opposite sides of the mounting opening 101. The two front convex sections 1151 are provided with fastening holes 1153, and the rear cover 12 is provided with a buckle 123 corresponding to each fastening hole 1153.

Through be equipped with joint convex part 1154 at the pore wall that two lock joint holes 1153 kept away from each other, buckle 123 stretches into in the lock joint hole 1153, and when clamping with joint convex part 1154, can make buckle 123 and another pore wall (the pore wall relative with joint convex part 1154 place pore wall) interval that corresponds lock joint hole 1153 to form the activity space, this activity space is used for supplying buckle 123 to warp. That is, when the rear cover 12 needs to be removed, the latch 123 can move toward the moving space by pressing the portion of the rear cover 12 corresponding to the two front protruding sections 1151, so that the latch 123 is separated from the latch protrusion 1154, and the rear cover 12 can be removed after the latch 123 is separated from the latch protrusion 1154. Therefore, the situation that the rear cover 12 is pulled out by violence can be avoided, the abrasion of the buckle 123 and the clamping convex part 1154 can be reduced, the service life of the rear cover 12 can be prolonged, and the disassembly and assembly of a user can be facilitated. Therefore, the buckle 123 and the buckle hole 1153 can be hidden inside, and the situations that dust is accumulated and is scratched or the appearance is influenced due to exposure outside are avoided. For example, in one embodiment, the buckle 123 is provided with a clamping hole 124, and the clamping convex portion 1154 is clamped in the clamping hole 124. In another embodiment, the latch 123 has a latch protrusion 114, and the latch protrusion 114 abuts against a side of the latch protrusion 1154 facing the air outlet 102.

In some embodiments, one of first step 115 and back cover 12 is provided with positioning hole 1155, and the other is provided with positioning protrusion 125, and positioning protrusion 125 is inserted into positioning hole 1155. So set up, can be convenient for shell main part 11 and the accurate location installation of back lid 12, but also can increase the area of contact of back lid 12 and shell main part 11, promote back lid 12 installation stability. In this embodiment, the rear cover 12 is provided with the positioning convex portion 125, the first step portion 115 is provided with the positioning hole 1155, compared with the structure of the positioning hole 1155, the positioning convex portion 125 is smaller in size, by setting the positioning hole 1155 in the shell main body 11, the positioning hole 1155 can be set by fully utilizing the space on the shell main body 11, so that the structural strength of the positioning hole 1155 is higher, when the positioning convex portion 125 is provided on the rear cover 12, the occupied space of the positioning convex portion 125 on the rear cover 12 is smaller, which is beneficial to reducing the thickness of the rear cover 12, so that the hole depth of the air inlet 121 on the rear cover 12 is smaller, the wind resistance is reduced, and the structure of the rear cover 12 can be simplified.

In some embodiments, the hair dryer further comprises a filter 80, the filter 80 covers the mounting opening 101, and the rear cover 12 covers the filter 80 to restrain the filter 80 to the housing body 11. The filter screen 80 is covered at the mounting opening 101 of the shell main body 11, the rear cover 12 is covered outside the filter screen 80, and the rear cover 12 is detachably connected with the shell main body 11, so that the filter screen 80 is limited on the shell main body 11. So be equivalent to through the common centre gripping filter screen 80 of back lid 12 and shell main part 11, can avoid setting up filter screen mounting structure between filter screen 80 and shell main part 11 or between filter screen 80 and back lid 12, both can simplify filter screen 80, the structure of back lid 12 and shell main part 11, also can reduce the dismouting process of filter screen 80, only need pull down back lid 12 from shell main part 11, can realize filter screen 80's dismantlement, and make filter screen 80 independent relatively back lid 12 and shell main part 11, reduce the filter screen 80 and wash the degree of difficulty, the cleanness of filter screen 80 has greatly been made things convenient for. In addition, even if the filter screen 80 is damaged and cannot be normally used, the filter screen 80 can be conveniently and separately replaced.

In some embodiments, the housing body 11 is provided with a support grid 119 at the mounting opening 101, and the support grid 119 is raised in a direction away from the mounting opening 101 so as to press the filter screen 80 on the inner side surface of the rear cover 12. Specifically, the support grid 119 is mainly composed of criss-cross support bars, so that the support grid 119 and the rear cover 12 jointly clamp the filter screen 80, and the inner side of the filter screen 80 can be effectively supported by the support grid 119, so that the filter screen 80 is stably installed, and the risk of deformation of the filter screen 80 towards the inside of the installation opening 101 can be avoided. But also the support grating 119, the filter screen 80 and the back cover 12 are made to have approximately the same raised shape so that the support grating 119, the filter screen 80 and the back cover 12 fit well. By the arrangement, the surface area of the filter screen 80 can be increased, so that the air inlet area of the filter screen 80 is increased, and the air inlet amount can be increased. Wherein the support grid 119, the filter screen 80 and the rear cover 12 may be formed in a dome shape, an ellipsoid shape or other shapes. Of course, in other embodiments, the filter screen 80 may be formed of only a plurality of support bars arranged in parallel and spaced apart.

In some embodiments, the first step 115 is provided with a second step 116 at a portion close to the mounting opening 101, the second step 116 is disposed around the mounting opening 101, and the periphery of the filter screen 80 is overlapped on the second step 116. Specifically, the depth of the recess of the second step 116 relative to the first step 115 is substantially equal to the thickness of the peripheral portion of the filter 80, which is equivalent to overlapping the peripheral edge of the filter 80 with the second step 116, so that the outer surface of the filter 80 is substantially flush with the surface of the first step 115 when the peripheral edge of the filter 80 is correspondingly clamped with the second step 116. So that the filter 80 can be prevented from interfering with the rear cover 12.

In some embodiments, the housing body 11 includes a first housing 117 and a second housing 118, and the first housing 117 and the second housing 118 are assembled to form the mounting opening 101 and the air outlet opening 102. Specifically, first casing 117 and second casing 118 all are integrative setting, during the installation, can install inner structure such as dryer, fan subassembly 40 and heating element 60 in first casing 117 or second casing 118 earlier, with first casing 117 and second casing 118 concatenation can, the assembly of inner structure such as fan subassembly 40 and heating element 60 of being convenient for like this. Of course, in other embodiments, the housing body 11 includes a barrel and a handle, which are separately provided, and the handle is installed at one side of the barrel, and the barrel is formed with the air inlet 121 and the air outlet 102.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A hair dryer, comprising:

2. The hair dryer of claim 1, wherein the air nozzle comprises a sleeve section and an air guiding section which are connected, the sleeve section is detachably sleeved on the outer side surface of the air guiding tube, the length of the sleeve section is smaller than that of the air guiding duct, and at least part of the ventilation opening is positioned on one side of the sleeve section, which is far away from the air guiding section.

3. The blower of claim 2, further comprising a heating assembly disposed within the supply air duct between the blower assembly and the air outlet.

4. The blower of claim 1, wherein the outer side of the air guide duct is a full revolution surface.

5. The hair dryer of claim 1, wherein at least one of an inner side of the main cavity and an outer side of the air duct is provided with a baffle ring, the baffle ring is arranged on the periphery of the air duct, and the baffle ring is positioned on a side of the vent far away from the air outlet.

6. The hair dryer of claim 5, wherein at least one of said housing and said air duct is integrally formed with said retainer.

7. The hair drier of claim 1, further comprising a decorative ring, wherein the decorative ring is provided with a slot, the periphery of the air outlet is provided with an insertion plate extending along the air outlet direction, the insertion plate is inserted into the slot, the inner ring portion of the decorative ring is provided with a clamping portion, and the clamping portion is clamped on the inner wall of the main through cavity.

8. The blower according to any one of claims 1 to 7, wherein at least a portion of the supply air duct adjacent to the outlet is constricted; and/or, the hair drier also comprises a heating component which is arranged in the air supply duct.

9. The hair dryer of any one of claims 1 to 7, wherein an end of the housing remote from the air outlet has a convex arc surface bulging in a direction remote from the air outlet, and the convex arc surface is provided with a plurality of the air inlets.

10. The hair dryer of claim 9, wherein the housing comprises a housing body and a rear cover, the housing body has the air outlet at one end and a mounting opening at the other end, the main cavity communicates between the mounting opening and the air outlet, and the rear cover detachably covers the mounting opening and is formed with the convex arc surface and the air inlet.