Folding electric hair drier

Abstract

The utility model discloses a folding electric hair drier which comprises an air outlet part and a holding part, the air inlet end of the air outlet part is rotatably connected with the air outlet end of the holding part through an inclined plane connecting structure, and the inclined plane connecting structure enables the whole electric hair drier to be switched between a bending type and a linear type. The holding part comprises a shell, a heating assembly, a fan and an inner filter screen are sequentially installed in the shell, an outer filter screen assembly is arranged at the end, away from the air outlet part, of the shell, a display assembly is connected to the end of the shell, a U-shaped clamping groove is formed in one side of the outer filter screen assembly, and the U-shaped clamping groove is used for being assembled with the display assembly in a nested mode. The heating assembly and the fan are installed in the holding part, the length of the air outlet part can be greatly shortened, when accessories need to be installed on the air outlet part to be used together, the overall length can also be greatly shortened, and people can use the air conditioner conveniently.

Description

Technical Field

[0001] The utility model belongs to the technical field of hair care tools, in particular to a folding hair dryer. Background Art

[0002] A hair dryer is one of the commonly used tools for hair care. In order to facilitate people to choose more functions during use, a straight-barrel shaped rotating folding hair dryer has appeared on the market, such as the Chinese patent document CN211459143U, which discloses a portable rotatable hair dryer, in which a hair dryer barrel and a handle are connected in a relatively circumferential rotation manner, and the hair dryer barrel and the handle can be rotated and fixed into a vertical state or a bent state, and different states can meet different needs of users;

[0003] Usually, this type of hair dryer can be used in conjunction with different nozzle accessories. In the above document, the air outlet portion is relatively long when in the folded state. After different nozzle accessories are assembled at the air outlet end of the hair dryer, the combined length of the hair dryer and the accessories is even longer. When in use, the user must hold the handle far away from the head hair, which is not convenient for people to use. In addition, the overall size of the existing products is relatively long, making them inconvenient to carry and store. Utility Model Content

[0004] The purpose of the utility model is to provide a foldable hair dryer to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A foldable hair dryer comprises an air outlet and a gripping portion, wherein the air inlet end of the air outlet is rotatably connected to the air outlet end of the gripping portion via an inclined connection structure, and the inclined connection structure enables the overall state of the hair dryer to be switched between a bending type and a straight type;

[0007] The gripping portion comprises a shell, in which a heating component, a fan and an inner filter are sequentially installed, and an outer filter component is arranged at one end of the shell away from the air outlet.

[0008] According to a further technical solution, a display assembly is connected to the end of the shell, and a U-shaped slot is provided on one side of the outer filter assembly, and the U-shaped slot is used for nesting and assembling with the display assembly.

[0009] According to a further technical solution, the outer filter assembly includes a secondary filter body and a primary filter body, both of which are provided with a U-shaped slot, the secondary filter body is clamped on the lower side of the display assembly, the primary filter body is clamped on the upper side of the display assembly, and an air inlet gap is formed between the primary filter body and the secondary filter body.

[0010] According to a further technical solution, the shortest length of the shell is D, one side of the shell is aligned with the axis of the display assembly, and a plurality of operating buttons are provided along the longitudinal direction of the axis.

[0011] According to a further technical solution, fine pores are distributed on the periphery of the secondary filter body, and air inlet holes are distributed on the periphery of the primary filter body, wherein the aperture of the air inlet holes is larger than the aperture of the fine pores.

[0012] According to a further technical solution, the secondary filter body and the primary filter body are detachably connected via a magnetic structure.

[0013] According to a further technical solution, a center hole is provided in the middle of the bottom of the primary filter body and the secondary filter body, and the center hole can allow the power cord assembly to pass through.

[0014] According to a further technical solution, an inner shell is provided inside the shell, the inner shell extends out from the shell end and is connected to the display assembly, and the secondary filter body is connected to the inner shell by bolt fasteners.

[0015] A further technical solution is to provide a noise reduction net in the air outlet.

[0016] According to a further technical solution, the noise reduction net comprises a fixing ring, at least two wind cutting blades are arranged inside the fixing ring, and a plurality of the wind cutting blades are arranged in parallel.

[0017] According to a further technical solution, the fixing ring is provided with a plurality of wind cutting blades, and the plurality of wind cutting blades form a grid shape.

[0018] According to a further technical solution, a plurality of air cutting blades are provided in the fixing ring, and the plurality of air cutting blades form a plurality of hexagonal air guide holes.

[0019] According to a further technical solution, the longitudinal width G of the air cutting blade is equal to or greater than 7 mm.

[0020] According to a further technical solution, the length D of the shell is equal to or greater than 80 mm.

[0021] According to a further technical solution, the shortest length A of the air outlet is equal to or greater than 20 mm.

[0022] In a further technical solution, the width F of the air outlet portion ranges from 40 to 45 mm, and the shortest length A of the air outlet portion <F。

[0023] In a further technical solution, a locking structure is provided on one side of the air outlet portion with a length of A. In a further technical solution, a second locking structure is provided on one side of the shell with a length of E.

[0024] According to a further technical solution, the longest length of the air outlet is B, the longest length of the shell is E, the length of the outer filter assembly is C, and the values ​​satisfy each other: (E+C) / A>=7, (E+C) / B>=3.

[0025] According to a further technical solution, the outer surfaces of the shell, the outer filter assembly (24) and the display assembly form a continuous and smooth transition surface.

[0026] According to a further technical solution, the folding angle formed by the air outlet portion and the grip portion is greater than 90°.

[0027] According to a further technical solution, a mounting groove is provided at one end of the air outlet portion away from the grip portion, and the mounting groove is used for mounting accessories.

[0028] Beneficial effects of the utility model:

[0029] The utility model can greatly shorten the length of the air outlet portion by installing the heating component and the fan in the grip portion. When accessories need to be installed on the air outlet portion for use together, the overall length will also be greatly shortened, which is convenient for people to use. In addition, information such as temperature and usage time can be viewed through the display screen, which is more fashionable and beautiful. By providing a U-shaped slot adapted to the outer filter assembly, the display assembly can be fixed and the overall length of the grip portion can be shortened.

[0030] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 : A schematic diagram of the utility model in use with a nozzle accessory in a bent state.

[0032] Figure 2 : Schematic diagram comparing the vertical state and the bent state of the utility model.

[0033] Figure 3 : A three-dimensional cross-sectional view of the utility model.

[0034] Figure 4 : Disassembly diagram of the outer filter assembly of the present utility model.

[0035] Figure 5 : A structural diagram of a vibration reduction net implementation of the utility model.

[0036] Figure 6 : The vibration reduction net of the utility model implements the second structural diagram.

[0037] Figure 7 : The vibration reduction net of the utility model implements three structural diagrams.

[0038] Figure 8: Schematic diagram of disassembly of three structures of the vibration reduction net of the utility model.

[0039] Fig. 9 : Schematic diagram of the nested assembly structure of the air inlet filter assembly, the shell and the display assembly of the utility model.

[0040] Fig.10 : Schematic diagram of the inner shell of the utility model passing through the outer shell and connecting with the power cord assembly.

[0041] Figure markings: 1-air outlet, 11-housing, 12-noise reduction net, 121-fixing ring, 122-wind cutting blade, 13-installing groove, 14-locking structure one, 2-grip, 21-housing, 221-heating component, 222-fan, 223-vibration reduction sleeve, 224-inner filter, 23-electric control element, 24-outer filter assembly, 241-primary filter body, 242-secondary filter body, 243-air inlet gap, 244-U-shaped slot, 245-air inlet hole, 246-magnetic suction part, 247-first fixing hole, 25-display assembly, 26-locking structure two, 3-slant connection structure, 4-accessories, 5-power cord assembly, 6-inner shell, 61-second fixing hole. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0043] Please refer to Figure 1-10 ;

[0044] The folding hair dryer described in the utility model aims to reduce the length of the air outlet 1 and the length of the entire product (the air outlet 1 and the grip 2) when in use, so as to facilitate the storage and carrying of the product, and to be more convenient to use when matched with the accessories 4; it specifically comprises an air outlet 1 and a grip 2, one end of the air outlet 1 is rotatably connected to one end of the grip 2 by an inclined connection structure 3, and the inclined connection structure 3 enables the air outlet 1 to switch between a bending type and a straight type relative to the grip 2; the air outlet 1 and the grip 2 in this embodiment are cylindrical or similar to a cylinder as a whole, and when in use, the midpoint of the inclined connection structure 3 is used as the center point for rotation, so that the air outlet 1 is rotated 180° relative to the grip 2 to form a folded state, wherein the inclined connection structure 3 can refer to the relevant structure in the Chinese patent document CN211459143U, and will not be described in detail here;

[0045] The holding portion 2 includes a shell 21, in which a heating component 221, a fan 222 and an inner filter 224 are installed in sequence. Compared with the patent document CN211459143U in which the heating component 221 is installed in the air outlet 1, the utility model can greatly shorten the length of the air outlet 1 by installing the heating component 221 in the holding portion 2. When it is necessary to install the accessory 4 on the air outlet 1 for use together, the overall length will also be greatly shortened, which is convenient for people to use. Of course, a vibration-damping sleeve 223 can be sleeved on the outer periphery of the fan 222; in addition, an inner filter 224 is provided at the end of the fan 222 to play a role in guiding and reducing noise; the fan 222 has a fan blade (not shown in the figure), and the fan blade is located at the upstream end of the fan 222 The inner filter 224 is located at the upstream end of the fan blade, and the downstream end adjacent to the inner filter 224 is the heating component 221. The heating component 221 (patent document CN211459143U, which is already the prior art) is evenly divided longitudinally by a mica heat insulation sheet (not shown in the figure) to form a plurality of guide channels parallel to the longitudinal axis. A heating wire (not shown in the figure) is wound radially around the mica heat insulation sheet assembly. The heating component 221 not only heats the passing fluid, but also plays the function of guiding and reducing noise. The heating component 221, the fan 222 and the inner filter 224 are arranged in a longitudinal straight line adjacent to each other in the shell 21, with a compact structure and high space utilization, while fully performing the function of guiding and reducing noise for the fluid.

[0046] Furthermore, a display assembly 25 is provided at the end of the shell 21, the electric control element 23 is installed in the shell 21 and fixed on the inner shell 6, the shell 21 partially covers the inner shell 6, the inner shell 6 passes through the end of the shell 21 and is connected to the display assembly 25, and the display assembly 25 is also connected to the shell 21. The display assembly 25 in this embodiment includes a display screen (not marked in the accompanying drawings) connected to the electric control element 23. The temperature value, wind speed gear or wind speed value, negative separation function and other information can be viewed through the display screen, which is more fashionable, beautiful and practical. An outer filter assembly 24 is also installed at the end of the shell 21, and a U-shaped card groove 244 adapted to the shape of the display assembly 25 is provided on one side of the outer filter assembly 24. When installed, the outer filter assembly 24 completely covers the exposed electric control element 23 and the inner shell 6 and is connected to the shell 21, and the display assembly 25 is embedded in the U-shaped card groove 244 for card connection and fixing;

[0047] Furthermore, the outer surfaces of the display component 25, the shell 21 and the outer filter component 24 have a continuous and smooth transition. The outer edge of the upstream end of the display component 25 is a smooth semicircular shape that forms a U-shaped semi-circular runway shape together with the two side edges. The outer filter component 24 is provided with a U-shaped slot 244, and the two are nested with each other. Although this structure sacrifices the air inlet area of ​​the outer filter component 24, that is, reduces the number of air inlet holes 245, it shortens the overall length of the grip 2, which is one of the problems to be solved by the present invention.

[0048] Since the display component 25 is arranged at the end of the shell 21, firstly, it is avoided to open a hole in the shell 21 to reduce the difficulty of installation. Secondly, the length of the shell 21 can be shortened and then covered by the outer filter component 24. At the same time, by providing a U-shaped card groove adapted to it on the outer filter component 24, the display component 25 can be fixed and the overall length of the grip 2 can be shortened.

[0049] Reference Figure 2 In this embodiment, the shortest length of the air outlet 1 is A, the longest length of the air outlet 1 is B, the width of the air outlet 1 is F, the shortest length of the shell 21 is D, the longest length of the shell 21 is E, and the length of the outer filter assembly 24 is C. The above values ​​satisfy each other: F value range 40 to 45 mm, A<F,C> =A*2,B>C,D>=C*2,E>=B*2, (E+C) / A>=7, (E+C) / B>=3; combination Figure 1 It can be seen that a plurality of operation buttons (not marked in the drawings) distributed longitudinally are arranged on one side of the housing 21 with a length of D and aligned with the axis of the display assembly 25. This structural design ensures that when the utility model product is used in a bent state, the plurality of operation buttons and the display assembly 25 can be oriented toward the side of the human face, which is convenient for the user to operate and view. Figure 1 In this usage state, the locking structure 14 and the locking structure 26 are cleverly blocked from the observer's field of vision, which increases the beauty of the product. That is, the utility model arranges the locking structure 26 on the side of the shell 21 with a length of E, and arranges the locking structure 14 on the side of the air outlet 1 with a length of A. Therefore, the installation position of the locking structure 14 constrains the length value of A to be equal to or greater than 20 mm, and the multiple operation buttons longitudinally distributed on the side wall of the shell 21 constrain the length value of D to be equal to or greater than 80 mm.

[0050] One embodiment of the outer filter assembly 24 of the utility model specifically includes a secondary filter body 242 and a primary filter body 241 both of which are provided with a U-shaped slot 244. The secondary filter body 242 is snap-connected to the lower side of the display assembly 25, and the primary filter body 241 is snap-connected to the upper side of the display assembly 25. Specifically, the primary filter body 241 is sleeved on the outer side of the secondary filter body 242. When installed, the U-shaped slot 244 of the primary filter body 241 and the U-shaped slot 244 of the secondary filter body 242 contact the display assembly 25 at different positions. When the display assembly 25 is observed in a horizontal state, the connection position of the secondary filter body 242 is at the lower side, and the connection position of the primary filter body 241 is at the upper side. The display assembly 25 is limited by two positions to improve the firmness.

[0051] In addition, an air inlet gap 243 is formed between the first-level filter body 241 and the second-level filter body 242, wherein the first-level filter body 241 is provided with air inlet holes 245 on its periphery, and the second-level filter body 242 is provided with fine pores (not shown in the drawings) on its periphery, and the aperture of the air inlet holes 245 is larger than the aperture of the fine pores. The first-level filter body 241 can prevent larger particles of dust and debris from entering while ensuring the air intake, and the second-level filter body 242 further filters fine dust to prevent it from entering the housing 21 and adhering to the electronic control element 23 to cause a short circuit or affect the performance, and cooperates with the inner filter 224 to form a three-level filtration to prevent dust accumulation in the fan 222.

[0052] Reference Figure 4 In this embodiment, the secondary filter body 242 and the shell 21 are installed in a detachable manner, but usually they do not need to be disassembled. Since the primary filter body 241 is located on the outside and the aperture of the air inlet hole 245 is larger than the aperture of the pores of the secondary filter body 242, the surface of the secondary filter body 242 usually accumulates a lot of dust after being used for a period of time, so it needs to be cleaned regularly. Therefore, the secondary filter body 242 and the primary filter body 241 are detachably connected through a magnetic structure, so that the primary filter body 241 can be quickly taken out for cleaning, and the surface of the secondary filter body 242 can be cleaned at the same time, and finally the primary filter body 241 can be reinstalled, and the installation is also very convenient;

[0053] Specifically, magnetic components 246 are provided at the bottom of the primary filter body 241 and the secondary filter body 242, respectively. The bottom of the primary filter body 241 and the secondary filter body 242 are fixed by the magnetic components 246, and there is a gap between the two for air intake; wherein the magnetic components 246 can be a combination of a magnet and an iron block, or can be both magnets, which is not limited here; the secondary filter body 242 is also provided with a first fixing hole 247, and the inner shell 6 is provided with a second fixing hole 61, which can be fixedly connected to the second fixing hole 61 through a bolt fastener (not shown in the drawings), thereby realizing the connection between the two; after the outer filter assembly 24 is fixedly connected to the shell 21 and the display assembly 25, the outer surfaces of the three form a continuous and smooth transition surface; a center hole (not shown in the drawings) is also provided in the middle of the bottom of the primary filter body 241 and the secondary filter body 242, through which the power cord assembly 5 can pass.

[0054] In the embodiment of the utility model, a noise reduction net 12 is provided in the air outlet 1. The noise reduction net 12 cuts and disperses the passing airflow, reduces the noise caused by the vibration, and achieves a noise reduction effect. In this embodiment, the noise reduction net 12 can be integrally formed with the outer shell 11 of the air outlet 1, or can be manufactured separately and then assembled.

[0055] One embodiment of the noise reduction net 12, referring to Figure 5, including a fixing ring 121, wherein at least two wind cutting blades 122 are arranged in the fixing ring 121, and the plurality of wind cutting blades 122 are arranged in parallel;

[0056] Another embodiment of the noise reduction net 12, referring to Figure 6 The fixing ring 121 is provided with a plurality of wind cutting blades 122, and the plurality of wind cutting blades 122 form a grid shape.

[0057] Another embodiment of the noise reduction net 12, referring to Figures 7 and 8 A plurality of air cutting blades 122 are provided in the fixing ring 121, and the plurality of air cutting blades 122 form a plurality of hexagonal guide holes (not marked in the drawings). The length of a single guide hole, i.e., the longitudinal width G of the air cutting blade 122, is equal to or greater than 7 mm. The value of the width G will affect the flow direction of the fluid after passing through the fixing ring 121. If the value of the width G is too small, such as 2 mm, the flow direction of the fluid after passing through the fixing ring 121 will be oblique. The larger the value of the width G, the more it can ensure that the flow direction of the fluid after passing through the fixing ring 121 is parallel to the axis of the air outlet 1.

[0058] Reference Figure 2 and Figure 3 , combined with Figure 8 The longitudinal width G of the air cutting blade 122 in the fixing ring 121 is wider on the side where the shortest length A of the air outlet 1 is closer to the side where the shortest length A of the air outlet 1 is farther away from the side where the shortest length A of the air outlet 1 is narrower. This structure can ensure that the fluid passing through the inclined connection structure 3 will obtain a more uniform air volume and wind speed at the air outlet 1.

[0059] In the present utility model embodiment, refer to Figure 2 , the folding angle a formed by the air outlet 1 and the grip 2 is greater than 90°, preferably between 92° and 97°. When the angle between the air outlet 1 and the grip 2 is greater than 90°, taking the grip 2 as an example in a vertical state, the air outlet 1 will be slightly tilted upwards at this time, and the user can blow the hair without lifting the hair dryer too high when using it by himself, which will not be too tiring to hold and is more comfortable to use;

[0060] When the design of the inclined plane connection structure 3 remains unchanged, the angle can be adjusted by changing the inclination of the inclined plane connection structure 3. When the inclination angle of the inclined plane connection structure 3 is less than 45°, the final folding angle will be greater than 90°.

[0061] In the embodiment of the utility model, a mounting groove 13 is provided at one end of the air outlet 1 away from the grip 2, and the mounting groove 13 is used to install the accessory 4. A locking structure 14 for fixing the accessory 4 is provided on the air outlet 1. In addition, a locking structure 26 for fixing the relative position of the air outlet 1 is provided on the grip 2.

[0062] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0063] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims

1. A foldable hair dryer, comprising an air outlet portion (1) and a grip portion (2), wherein the air inlet end of the air outlet portion (1) and the air outlet end of the grip portion (2) are rotatably connected via an inclined connection structure (3), wherein the inclined connection structure (3) enables the overall state of the hair dryer to switch between a bent type and a straight type, and wherein: The gripping portion (2) comprises a shell (21), in which a heating component (221), a fan (222) and an inner filter (224) are sequentially installed, and an outer filter component (24) is located at one end of the shell (21) away from the air outlet portion (1).

2. A folding hair dryer according to claim 1, characterized in that: A display assembly (25) is connected to the end of the housing (21), and a U-shaped card slot (244) is provided on one side of the outer filter assembly (24), wherein the U-shaped card slot (244) is used for nesting and assembling with the display assembly (25).

3. A folding hair dryer according to claim 2, characterized in that: The outer filter assembly (24) comprises a secondary filter body (242) and a primary filter body (241), both of which are provided with a U-shaped slot (244); the secondary filter body (242) is snap-connected to the lower side of the display assembly (25); the primary filter body (241) is snap-connected to the upper side of the display assembly (25); an air inlet gap (243) is formed between the primary filter body (241) and the secondary filter body (242).

4. A folding hair dryer according to claim 2, characterized in that: The shortest length of the housing (21) is D, one side of which is aligned with the axis of the display assembly (25), and a plurality of operating buttons are provided along the longitudinal direction of the axis.

5. A folding hair dryer according to claim 3, characterized in that: The secondary filter body (242) is provided with fine pores on its periphery, and the primary filter body (241) is provided with air inlet holes (245) on its periphery, wherein the aperture of the air inlet holes (245) is larger than the aperture of the fine pores.

6. A folding hair dryer according to claim 3, characterized in that: The secondary filter body (242) and the primary filter body (241) are detachably connected via a magnetic attraction structure.

7. A folding hair dryer according to claim 3, characterized in that: A central hole is also provided in the middle of the bottom of the primary filter body (241) and the secondary filter body (242), and the central hole allows the power cord assembly to pass through.

8. A foldable hair dryer according to claim 3, characterized in that: An inner shell (6) is provided inside the shell (21); the inner shell (6) extends out from the end of the shell (21) and is connected to the display assembly (25); and the secondary filter body (242) is connected to the inner shell (6) via bolt fasteners.

9. A folding hair dryer according to claim 1, characterized in that: A noise reduction net (12) is provided inside the air outlet portion (1).

10. A foldable hair dryer according to claim 9, characterized in that: The noise reduction net (12) comprises a fixing ring (121), at least two wind cutting blades (122) are arranged inside the fixing ring (121), and a plurality of the wind cutting blades (122) are arranged in parallel.

11. A folding hair dryer according to claim 10, characterized in that: The fixing ring (121) is provided with a plurality of air cutting blades (122), and the plurality of air cutting blades (122) form a grid shape.

12. A foldable hair dryer according to claim 10, characterized in that: A plurality of air cutting blades (122) are arranged in the fixing ring (121), and the plurality of air cutting blades (122) form a plurality of hexagonal air guide holes.

13. A folding hair dryer according to any one of claims 10 to 12, characterized in that: The longitudinal width G of the air cutting blade (122) is equal to or greater than 7 mm.

14. A folding hair dryer according to claim 2, characterized in that: The length D of the housing (21) is equal to or greater than 80 mm.

15. A foldable hair dryer according to claim 2, characterized in that: The shortest length A of the air outlet portion (1) is equal to or greater than 20 mm.

16. A folding hair dryer according to claim 14, characterized in that: The width F of the air outlet (1) ranges from 40 to 45 mm, and the shortest length A of the air outlet (1) <F。 17. A foldable hair dryer according to claim 2, characterized in that: A locking structure (14) is provided on one side of the air outlet portion (1) having a length A.

18. A foldable hair dryer according to claim 2, characterized in that: A second locking structure (26) is provided on one side of the housing (21) having a length E.

19. A folding hair dryer according to any one of claims 14 to 18, characterized in that: The longest length of the air outlet (1) is B, the longest length of the shell (21) is E, and the length of the outer filter assembly (24) is C, and the values ​​satisfy the following conditions: (E+C) / A>=7, (E+C) / B>=3.

20. A foldable hair dryer according to claim 2, characterized in that: The outer surfaces of the housing (21), the outer filter assembly (24) and the display assembly (25) form a continuous and smooth transition surface.

21. A folding hair dryer according to any one of claims 1 to 9, characterized in that: The folding angle formed by the air outlet portion (1) and the grip portion (2) is greater than 90°.

22. A foldable hair dryer according to claim 1, characterized in that: An end of the air outlet portion (1) away from the grip portion (2) is provided with a mounting groove (13), and the mounting groove (13) is used for mounting an accessory (4).

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