Flow guide piece and blower

Abstract

The utility model relates to the field of blowers, and provides a flow guide part and a blower, the flow guide part is installed on the inner side of an air guide shell of the blower, one side of the air guide shell is provided with a first air outlet, the flow guide part comprises a flow guide body and a flow guide piece, the flow guide body has a first direction and a second direction, and an air guide cavity is reserved between the flow guide body and the air guide shell; the flow deflectors are symmetrically arranged on the two sides of the flow guide body, and the flow deflectors on each side of the flow guide body are sequentially arranged at intervals, are at least partially and oppositely located in the air guide cavity and are used for guiding airflow in the first direction to the second direction; the tail end of the flow deflector is straightly arranged in the second direction and is perpendicular to the first air outlet. The blower comprises a flow guide piece. According to the flow guide piece and the blower, the tail end of the flow guide piece is straightly arranged in the second direction and is perpendicular to the first air outlet, so that airflow of wind is linearly guided, the airflow at the tail end of the flow guide piece is prevented from being disordered and scattered, wind noise of the first air outlet is reduced, meanwhile, the airflow at the tail end of the flow guide piece is pressurized, and the wind speed is increased.

Description

Technical Field

[0001] The utility model relates to the field of hair dryers, and further relates to a flow guide member and a hair dryer. Background Art

[0002] Hair dryers are daily-use tools for people. Most existing hair dryers are divided into a blowing section and a holding section. The central axis of the blowing section forms a certain angle with the central axis of the holding section, making its overall size relatively large and inconvenient to carry. Therefore, straight-bar hair dryers have emerged on the market. The blowing section and the holding section share the same central axis, and a flow guide member is provided inside the blowing section to direct the airflow along the central axis direction of the blowing section to the radial direction of the blowing section. Although this solves the problem of carrying the hair dryer, the wind blown out by the flow guide member is scattered and disordered, with a greater noise, and the use experience is poor. Summary of the Utility Model

[0003] Aiming at the above technical problems, the purpose of the present utility model is to provide a flow guide member and a hair dryer. The end of the flow guide member is arranged straight along the second direction and perpendicular to the first air outlet, so that the airflow direction of the wind is linear, preventing the airflow at the end of the flow guide member from being disordered and scattered, reducing the wind noise at the first air outlet, and at the same time pressurizing the airflow at the end of the flow guide member to increase the wind speed.

[0004] To achieve the above purpose, the present utility model provides a flow guide member. The flow guide member is installed inside the air guide housing of the hair dryer. One side of the air guide housing is provided with a first air outlet. The flow guide member includes a flow guide body and flow guide vanes. The flow guide body has a first direction and a second direction. A wind guide cavity is left between the flow guide body and the air guide housing. The flow guide vanes are symmetrically arranged on both sides of the flow guide body. The flow guide vanes on each side of the flow guide body are arranged at intervals in sequence and at least partially located in the wind guide cavity relatively, for guiding the airflow in the first direction to the second direction. The ends of the flow guide vanes are arranged straight along the second direction and perpendicular to the first air outlet.

[0005] In some embodiments, the first direction is along the axial direction of the air guide housing, the second direction is along the radial direction of the air guide housing, the flow guide vanes are arranged on both sides of the flow guide body in the first direction, and the flow guide member smoothly extends along the first direction to be arranged straight along the second direction.

[0006] In some embodiments, the flow guide body includes an air inlet section, a connecting section, and an air outlet section. The air outlet section is close to the first air outlet. The cross-sections of the air inlet section and the air outlet section are both oval. The short-axis direction of the air inlet section is the third direction. The length of the air inlet section in the third direction is less than that of the air outlet section. The connecting section smoothly connects the air inlet section and the air outlet section.

[0007] In some embodiments, the long axis direction of the air inlet section is the first direction, the length of the air inlet section in the first direction is less than that of the air outlet section, and the connecting section smoothly connects the two ends of the air inlet section and the air outlet section in the first direction.

[0008] In some embodiments, the inner walls of the air guide housing on both sides in the first direction are straight walls, the guide vanes are in contact with the straight walls, and the straight walls are parallel to the side walls at both ends of the air inlet section and the air outlet section in the third direction, so that the air guide cavity between the air guide housing and the air guide body forms a square flow channel.

[0009] In some embodiments, the hair dryer is further provided with a protective housing, the protective housing is provided with a second air outlet, a flow guiding wall is provided at the second air outlet, the first air outlet is relatively located inside the second air outlet, the air outlet section extends out of the first air outlet and matches the flow guiding wall of the second air outlet, and at least part of the end of the guide vane is located outside the first air outlet.

[0010] In some embodiments, an accommodation cavity is provided in the air guide body, a negative ion generator is provided in the accommodation cavity, an opening for placing the negative ion generator is further provided on one side of the air guide body close to the first air outlet, and a first wire passing hole is further provided on one side of the air guide body away from the first air outlet.

[0011] In some embodiments, a first mounting post and an abutting portion are further provided on one side of the air guide body away from the first air outlet, a second mounting post and an abutting groove are provided at the corresponding position of the air guide housing, the first mounting post is suitable for being fixedly installed in the second mounting post, the abutting portion is suitable for abutting against the abutting groove, and a second wire passing hole is further provided in the air guide housing, and the second wire passing hole is communicated with the first wire passing hole of the air guide body.

[0012] According to another aspect of the present application, a hair dryer is further provided, including any one of the air guide members and the air guide housing in the above preferred embodiments. The air guide housing includes a first housing and a second housing. Straight walls are provided on both sides of the first housing and the second housing in the first direction, and mounting walls are further provided on the outer sides of the straight walls, and the mounting walls are perpendicular to the straight walls.

[0013] In some embodiments, a protective housing is further included. The protective housing is provided with a second air outlet that matches the first air outlet of the air guide housing. The protective housing is further provided with a flow guiding wall at the second air outlet. The flow guiding wall is flush with the straight wall, and the second air outlet is provided between the flow guiding wall and the air guide body of the air guide member.

[0014] Compared with the prior art, the air guide member and the hair dryer provided by the present utility model have at least one of the following beneficial effects:

[0015] 1. The end of the air deflector is arranged straight along the second direction and perpendicular to the first air outlet, making the air flow direction of the wind linear, preventing the air flow at the end of the air deflector from being disordered and scattered, reducing the wind noise at the first air outlet, and at the same time pressurizing the air flow at the end of the air deflector to increase the wind speed.

[0016] 2. The length of the air inlet section in the third direction is less than that of the air outlet section, increasing the distance between the air inlet section and the inner side wall of the air guide housing, increasing the air intake of the air inlet section, improving the air gathering ability of the air deflector. At the same time, the distance between the air inlet section and the inner side wall of the air guide housing is greater than the distance between the air outlet section and the inner side wall of the air guide housing, achieving the pressurizing effect of the air flow in the air guide cavity and realizing a hurricane-like air outlet; the connecting section smoothly connects the air inlet section and the air outlet section, which can guide the air flow direction of the wind, prevent the air flow in the air guide cavity from colliding randomly, and further prevent the gas flowing out of the first air outlet from generating swirling and turbulent flow, thus achieving noise reduction.

[0017] 3. The air deflector wall of the protective housing matches the air outlet section of the air deflector body, so that the air duct at the second air outlet is constricted, realizing secondary pressurization of the air flow and achieving a hurricane-like air outlet.

[0018] 4. The air guide cavity between the air guide housing and the air deflector body forms a square flow channel, which can increase the air pressure in the air guide cavity, increase the air flow velocity, ensure the uniform wind speed at the first air outlet, and improve the noise reduction effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The following will further illustrate the above characteristics, technical features, advantages and their implementation manners of the present utility model in a clear and understandable manner in combination with the drawings of the preferred embodiments.

[0020] Figure 1 is the installation diagram of the air deflector;

[0021] Figure 2 is the top view of the air deflector;

[0022] Figure 3 is the side view of the air deflector;

[0023] Figure 4 is the structural diagram of the air deflector;

[0024] Figure 5 is the structural diagram of the air guide housing;

[0025] Figure 6 is the sectional view of the hair dryer;

[0026] Figure 7 is the structural diagram of the protective housing.

[0027] Description of the reference numerals in the drawings:

[0028] Flow guiding member 1, first direction 101, second direction 102, third direction 103, air guiding cavity 104, flow guiding body 11, accommodating cavity 110, air inlet section 111, first wire passing hole 1110, first mounting post 1111, abutting portion 1112, connecting section 112, air outlet section 113, opening 1130, flow guiding vane 12, negative ion generator 13, air guiding shell 2, first air outlet 20, straight wall 21, second mounting post 22, abutting groove 23, mounting wall 24, second wire passing hole 25, protective shell 3, second air outlet 30, flow guiding wall 31. Detailed implementation manners

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the specific implementation manners of the present invention will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings, and other implementation manners can also be obtained.

[0030] To make the drawings concise, only the parts related to the utility model are schematically shown in each drawing, and they do not represent the actual structure of the product. In addition, to make the drawings concise and easy to understand, in some drawings, components with the same structure or function are only schematically shown as one of them, or only one of them is marked. In this document, "one" not only means "only this one", but also means "more than one" situation.

[0031] It should also be further understood that the term "and / or" used in the specification and claims of this application refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0032] In this document, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0033] In addition, in the description of the present application, terms such as "first" and "second" are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance. It should be noted that the above embodiments can be freely combined as needed. The above is only the preferred embodiment of the present utility model. It should be pointed out that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present utility model.

[0034] Referring to Figures 1 to 4 , the present utility model provides a flow guiding member 1, which is installed inside the air guiding housing 2 of a hair dryer. A first air outlet 20 is provided on one side of the air guiding housing 2. The flow guiding member 1 includes a flow guiding body 11 and flow guiding vanes 12. The flow guiding body 11 has a first direction 101 and a second direction 102. There is an air guiding cavity 104 left between the flow guiding body 11 and the air guiding housing 2; the flow guiding vanes 12 are symmetrically arranged on both sides of the flow guiding body 11. The flow guiding vanes 12 on each side of the flow guiding body 11 are arranged at intervals in sequence and at least partially located in the air guiding cavity 104 relatively, and are used for guiding the air flow in the first direction 101 to the second direction 102; the ends of the flow guiding vanes 12 are arranged straight along the second direction 102 and perpendicular to the first air outlet 20.

[0035] In this embodiment, the end of the flow guiding member 1 is arranged straight along the second direction 102 and perpendicular to the first air outlet 20, so that the air flow guiding of the wind is linear, preventing the air flow at the end of the flow guiding member 1 from being disordered and scattered, reducing the wind noise at the first air outlet 20, and at the same time boosting the air flow at the end of the flow guiding member 1 and increasing the wind speed.

[0036] Specifically, the first direction 101 is along the axial direction of the air guiding housing 2, the second direction 102 is along the radial direction of the air guiding housing 2, the flow guiding vanes 12 are arranged on both sides of the flow guiding body 11 in the first direction 101, and several flow guiding vanes 12 are arranged at intervals in sequence. Referring to Figure 3, four groups of flow guiding vanes 12 are symmetrically arranged on the flow guiding body 11 along the first direction 101. The end of each flow guiding vane 12 is perpendicular and parallel to the first air outlet 20, so that the flow guiding vanes 12 smoothly extend along the first direction 101 to be straightly arranged along the second direction 102, and can guide the air flow along the first direction 101 to flow along the second direction 102 and flow out from the first air outlet 20. The ends of the flow guiding vanes 12 are straightly arranged along the second direction 102 to ensure that the air flow direction blown out from the first air outlet 20 is linear and perpendicular to the first air outlet 20. Only by ensuring that the air flow guided by each flow guiding vane 12 is linear can it be ensured that the air flows guided by each flow guiding vane 12 will not collide, so as to achieve the gathering of the wind direction, generate a hurricane, and realize the functions of pressurization and noise reduction of the flow guiding member 1. It should be noted that shunt vanes are also provided at both ends of the flow guiding body 11 in the first direction 101. The shunt vanes are straightly arranged along the first direction 101 and are used to separate the air flows at both ends of the first air outlet 20 in the first direction 101 to prevent them from being disordered and realize the linearity of the air flow blown out.

[0037] Further, referring to Figure 3 , the flow guiding body 11 includes an air inlet section 111, a connecting section 112 and an air outlet section 113. The air outlet section 113 is close to the first air outlet 20. The cross sections of the air inlet section 111 and the air outlet section 113 are both oval. The short axis direction of the air inlet section 111 is the third direction 103. The length of the air inlet section 111 in the third direction 103 is less than that of the air outlet section 113. The connecting section 112 smoothly connects the air inlet section 111 and the air outlet section 113.

[0038] In this embodiment, the length of the air inlet section 111 in the third direction 103 is less than that of the air outlet section 113, which increases the distance between the air inlet section 111 and the inner side wall of the air guiding shell 2, increases the air intake of the air inlet section 111, and improves the air gathering ability of the flow guiding member 1. At the same time, the distance between the air inlet section 111 and the inner side wall of the air guiding shell 2 is greater than the distance between the air outlet section 113 and the inner side wall of the air guiding shell 2, realizing the pressurization effect of the air flow in the air guiding cavity 104 and realizing the air outlet hurricane; the connecting section 112 smoothly connects the air inlet section 111 and the air outlet section 113, can guide the air flow direction of the wind, prevent the air flow in the air guiding cavity 104 from colliding randomly, and further prevent the gas flowing out from the first air outlet 20 from generating swirling and turbulent flow, thereby realizing noise reduction.

[0039] Specifically, the cross-sections of the air inlet section 111 and the air outlet section 113 of the air guiding body 11 are both oval. The long axis direction of the air guiding body 11 is along the first direction 101, that is, the long axis direction of the air inlet section 111 is the first direction 101. Both ends of the air guiding body 11 in the long axis direction are arcs, having excellent air guiding and flow splitting effects. The length of the air inlet section 111 in the third direction 103 is less than that of the air outlet section 113, that is, the air inlet section 111 is recessed inward along the third direction 103 relative to the air outlet section 113. The distance between the air inlet section 111 and the inner side wall of the air guiding shell 2 is greater than the distance between the air outlet section 113 and the inner side wall of the air guiding shell 2, increasing the air inlet effect of the air inlet section 111, and further increasing the air pressure of the air inlet section 111 to achieve air flow pressurization. The connecting section 112 smoothly connects the air inlet section 111 and the air outlet section 113, better guiding the air from the air inlet section 111 to the air outlet section 113 and reducing noise. The length of the air inlet section 111 in the first direction 101 is less than that of the air outlet section 113. The connecting section 112 smoothly connects the two ends of the air inlet section 111 and the air outlet section 113 in the first direction 101. The air outlet section 113 is constricted relative to the air inlet section 111, further increasing the gas flow rate and air pressure of the air outlet section 113, making the air flow rate of the air outlet section faster and more uniform and reducing noise.

[0040] Further, referring to Figures 4 to 6 , the inner walls of the air guiding shell 2 on both sides in the first direction 101 are straight walls 21. The air guiding vanes 12 are in contact with the straight walls 21. The straight walls 21 are parallel to the side walls at both ends of the air inlet section 111 and the air outlet section 113 in the third direction 103, so that the air guiding cavity 104 between the air guiding shell 2 and the air guiding body 11 forms a square flow channel.

[0041] In this embodiment, the air guiding cavity 104 between the air guiding shell 2 and the air guiding body 11 forms a square flow channel, which can increase the air pressure in the air guiding cavity 104, improve the air flow rate, ensure the uniform wind speed at the first air outlet 20, and improve the noise reduction effect.

[0042] Specifically, the inner walls of the air guiding shell 2 on both sides in the first direction 101 are straight walls 21. The straight walls 21 are arranged straight along the second direction 102 and are parallel to the air inlet section 111. At the same time, the straight walls 21 are also flush with the two ends of the air guiding wall 31 of the protective shell 3 in the third direction 103. The air guiding wall 31 is parallel to the air outlet section 113, so that the straight walls 21, the air guiding wall 31, the air outlet section 113, and the air inlet section 111 are parallel to each other, making the linearity of the air outlet air flow. Moreover, the straight walls 21 are flush with the air guiding wall 31, and the air flow is more smooth.

[0043] Further, referring to Figure 6 and Figure 7, the hair dryer is further provided with a protective case 3. The protective case 3 is provided with a second air outlet 30. A flow guiding wall 31 is provided at the first air outlet 20. The first air outlet 20 is relatively located inside the second air outlet 30. The air outlet section 113 extends out of the first air outlet 20 and matches the flow guiding wall 31 of the second air outlet 30. At least a part of the end of the flow guiding piece 12 is located outside the first air outlet 20 and relatively located inside the second air outlet 30.

[0044] In this embodiment, the flow guiding wall 31 of the protective case 3 matches the air outlet section 113 of the flow guiding body 11, so that the air duct at the second air outlet 30 is constricted, realizing secondary pressurization of the air flow and achieving a hurricane-like air outlet.

[0045] Specifically, the protective case 3 is sleeved outside the air guiding case 2. The first air outlet 20 is relatively located inside the second air outlet 30. The air outlet section 113 is relatively located outside the first air outlet 20 and inside the flow guiding wall 31 of the second air outlet 30. The air flow in the air guiding cavity 104 reaches the first air outlet 20 after being pressurized by the connecting section 112, and flows out after secondary pressurization between the flow guiding wall 31 and the air outlet section 113. Moreover, the end of the flow guiding piece 12 is arranged straight along the second direction 102, further increasing the hurricane effect of the air flow. At the same time, the flow guiding wall 31 is parallel to the air outlet section 113, increasing the linear effect of the air flow.

[0046] Further, referring to Figure 4 and Figure 5 , a receiving cavity 110 is provided inside the flow guiding body 11. A negative ion generator 13 is provided in the receiving cavity 110. An opening 1130 for placing the negative ion generator 13 is further provided on one side of the flow guiding body 11 close to the first air outlet 20. A first wire passing hole 1110 is further provided on one side of the flow guiding body 11 away from the first air outlet 20.

[0047] Specifically, on the side of the air guiding body 11 away from the first air outlet 20, there are also a first mounting post 1111 and an abutting portion 1112. At the corresponding position of the air guiding shell 2, there are a second mounting post 22 and an abutting groove 23. The first mounting post 1111 is adapted to be fixedly installed in the second mounting post 22, and the abutting portion 1112 is adapted to abut against the abutting groove 23. There is also a second wire passing hole 25 in the air guiding shell 2. The second wire passing hole 25 is relatively located in the middle of the second mounting post 22 and the abutting groove 23. The second wire passing hole 25 communicates with the first wire passing hole 1110 of the air guiding body 11. The wire connecting the negative ion generator 13 passes through the first wire passing hole 1110 and the second wire passing hole 25. It should be noted that both the first mounting post 1111 and the abutting portion 1112 are provided on the side away from the first air outlet 20, that is, at one end of the air guiding body 11 in the second direction 102. In a variant embodiment, it can also be provided at any end of the air guiding body 11 in the first direction 101. Moreover, in the art, there are variant fixing structures for the first mounting post 1111 and the second mounting post 22, all of which are within the protection scope of this application, and this application will not elaborate further.

[0048] Further, referring to Figures 1 to 7 , this application also provides a hair dryer, including the air guiding member 1 and the air guiding shell 2 in any of the above embodiments. The air guiding shell 2 includes a first shell and a second shell. On both sides of the first shell and the second shell in the first direction 101, there are straight walls 21. On the outer side of the straight walls 21, there are also mounting walls 24, and the mounting walls 24 are perpendicular to the straight walls 21.

[0049] In this embodiment, the inner walls on both sides of the air guiding shell 2 in the first direction 101 are both straight walls 21. On the outer side of the straight walls 21, there are also mounting walls 24 perpendicular to the straight walls 21. The mounting walls 24 mount the first shell and the second shell up and down, and the structural strength is higher.

[0050] Specifically, it further includes a protective shell 3. The protective shell 3 is provided with a second air outlet 30 matching the first air outlet 20 of the air guiding shell 2. The protective shell 3 is also provided with a guiding wall 31 at the second air outlet 30. The two ends of the guiding wall 31 in the third direction 103 are flush with the straight walls 21. There is a second air outlet 30 between the guiding wall 31 and the air guiding body 11 of the air guiding member 1. Moreover, the guiding wall 31 is parallel to the air outlet section 113 of the air guiding body 11.

[0051] It should be noted that the above embodiments can be freely combined according to needs. The above are only the preferred embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A guide member, the guide member being installed inside an air guide shell of a hair dryer, the air guide shell being provided with a first air outlet on one side, characterized in that: include: A flow guide body, the flow guide body having a first direction and a second direction, and an air guide cavity is left between the flow guide body and the air guide shell; Guide plates, the guide plates are symmetrically arranged on both sides of the guide body, the guide plates on each side of the guide body are arranged in sequence at intervals and at least partially relatively located in the air guide cavity, and are used to guide the airflow in the first direction to the second direction; the end of the guide plate is arranged straight along the second direction and perpendicular to the first air outlet.

2. A flow guide according to claim 1, characterized in that: The first direction is along the axial direction of the air guide shell, the second direction is along the radial direction of the air guide shell, the guide plates are arranged on both sides of the guide body in the first direction, and the guide member extends smoothly along the first direction to be straightly arranged along the second direction.

3. A flow guide according to claim 2, characterized in that: The guide body includes an air inlet section, a connecting section and an air outlet section, the air outlet section is close to the first air outlet, the cross-sections of the air inlet section and the air outlet section are both oval-shaped, the short axis direction of the air inlet section is a third direction, the length of the air inlet section in the third direction is smaller than that of the air outlet section, and the connecting section smoothly connects the air inlet section and the air outlet section.

4. A flow guide according to claim 3, characterized in that: The long axis direction of the air inlet section is the first direction, the length of the air inlet section in the first direction is smaller than that of the air outlet section, and the connecting section smoothly connects the two ends of the air inlet section and the air outlet section in the first direction.

5. A flow guide according to claim 4, characterized in that: The inner walls of the air guide shell on both sides of the first direction are straight walls, the guide plates are in contact with the straight walls, and the straight walls are parallel to the side walls of the air inlet section and the air outlet section at both ends of the third direction, so that the air guide cavity between the air guide shell and the guide body forms a square flow channel.

6. A flow guide according to any one of claims 1 to 5, characterized in that: The hair dryer is also provided with a protective shell, the protective shell is provided with a second air outlet, the second air outlet is provided with a guide wall, the first air outlet is relatively located inside the second air outlet, the air outlet section of the guide body extends out of the first air outlet and matches the guide wall of the second air outlet, and the end of the guide plate is at least partially located outside the first air outlet.

7. The flow guide according to claim 1, characterized in that: A accommodating cavity is provided in the flow guide body, a negative ion generator is provided in the accommodating cavity, an opening for placing the negative ion generator is provided on a side of the flow guide body close to the first air outlet, and a first wire hole is provided on a side of the flow guide body away from the first air outlet.

8. The flow guide according to claim 1, characterized in that: A first mounting column and an abutment portion are also provided on the side of the air guide body away from the first air outlet, and a second mounting column and an abutment groove are provided at a corresponding position of the air guide shell. The first mounting column is suitable for being fixedly installed in the second mounting column, and the abutment portion is suitable for abutting with the abutment groove. A second wire passing hole is also provided in the air guide shell, and the second wire passing hole is connected to the first wire passing hole of the air guide body.

9. A hair dryer, characterized in that: It includes the air guide member and air guide shell as described in any one of claims 1 to 8, the air guide shell includes a first shell and a second shell, the first shell and the second shell are provided with straight walls on both sides of the first direction, and the outer side of the straight wall is also provided with an installation wall, and the installation wall is perpendicular to the straight wall.

10. A hair dryer according to claim 9, characterized in that: It also includes a protective shell, which is provided with a second air outlet matching the first air outlet of the air guide shell, and the protective shell is also provided with a guide wall at the second air outlet, and the two ends of the guide wall in the third direction are flush with the straight wall, and the second air outlet is provided between the guide wall and the guide body of the guide member.

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