Anti-flying and anti-warping tuyere for electric hair drier

Abstract

The utility model relates to an anti-tilting tuyere for an electric hair drier, a ventilation chamber is arranged in a tuyere body, one end of the tuyere body is provided with a fluid inlet, the fluid inlet is communicated with the ventilation chamber, the tuyere body is provided with a first side wall surface, a small curved surface and a second side wall surface, the first side wall face and the second side wall face are symmetrically arranged with the small bent face as the symmetry axis, and long and narrow fluid outlets communicated with the ventilation cavity are formed in the first side wall face and the second side wall face respectively. Air is discharged from the left side and the right side, a user can alternately operate with the left hand and the right hand without turning a switching piece, fluid forms high-speed fluid at the narrow and long fluid outlet, negative pressure is formed by the first negative pressure face and the second negative pressure face, and the high-speed fluid flows along a continuous face formed by the air guide inclined face, the first negative pressure face and the second negative pressure face in a wall-attached mode. And the hair can be adsorbed, so that the hair is prevented from cracking.

Description

Technical Field

[0001] The utility model relates to the field of hair dryer nozzles, and particularly to a hair dryer nozzle for preventing hair from flying up. Background Technique

[0002] The design intention of the nozzle body is mainly to enhance the use effect of the hair dryer and meet the different needs of different users for hair styling and drying. Since there are differences in the hair quality of each person, such as soft and fine hair and thick and hard hair, the reaction to the nozzle is different. Soft and fine hair is more easily affected by wind force and heat, resulting in the phenomenon of hair flying up. Content of the Utility Model

[0003] To solve the above problems, the utility model provides a hair dryer nozzle for preventing hair from flying up.

[0004] To achieve the above purpose, the technical scheme adopted by the utility model is as follows: The utility model relates to a hair dryer nozzle for preventing hair from flying up, which includes a nozzle body. The nozzle body has a ventilation chamber inside. One end of the nozzle body has a fluid inlet, and the fluid inlet is communicated with the ventilation chamber. The nozzle body is provided with a first side wall surface, a small curved surface and a second side wall surface. The first side wall surface and the second side wall surface are symmetrically arranged with the small curved surface as the axis. Narrow and long fluid outlets communicating with the ventilation chamber are respectively arranged on the first side wall surface and the second side wall surface.

[0005] Preferably, the nozzle body includes an outer cylinder and an inner bracket. The outer cylinder is respectively provided with a first air outlet and a second air outlet symmetrically arranged with the small curved surface as the axis. The inner bracket is respectively provided with a first air guide port and a second air guide port at corresponding positions of the first air outlet and the second air outlet. The connection parts between the first air guide port and the first air outlet and between the second air guide port and the second air outlet form a wind blocking surface. The first air guide port and the second air guide port are provided with air guide inclined surfaces. A first negative pressure surface is provided downstream of the first air outlet and the second air outlet on the air guide inclined surfaces. At least part of the first side wall surface and the second side wall surface are provided with a second negative pressure surface downstream of the first air outlet and the second air outlet. The wind blocking surface, the air guide inclined surface and the first negative pressure surface enclose a narrow and long fluid outlet.

[0006] Preferably, the air guide inclined surface and the first negative pressure surface are connected to form a plane, and the first negative pressure surface and the second negative pressure surface are connected at an included angle Φ, and Φ is greater than 130°.

[0007] Preferably, the outer wall surface of the outer cylinder is provided with a first air outlet surface and a second air outlet surface. The first air outlet surface is adjacent to the second air outlet surface. Among them, an outer cylinder curved surface is provided between the first air outlet surface and the second air outlet surface for connection. The first air outlet and the second air outlet are respectively arranged in an array on the first air outlet surface and the second air outlet surface;

[0008] The outer wall surface of the inner bracket is provided with a first air guiding surface and a second air guiding surface. The first air guiding surface is adjacent to the second air guiding surface. Among them, an inner bracket curved surface is provided between the first air guiding surface and the second air guiding surface for connection. The first air guiding surface is provided with a plurality of first air guiding openings, and the second air guiding surface is provided with a plurality of second air guiding openings. Among them, the first air guiding openings and the second air guiding openings are respectively arranged in an array on the first air guiding surface and the second air guiding surface.

[0009] Preferably, the air nozzle body is of a structure similar to a triangular prism or a triangular pyramid. The first side wall surface and the second side wall surface are respectively formed on the adjacent side wall surfaces of the air nozzle body, and the small curved surface is formed at the edge of the adjacent side wall surfaces of the air nozzle body.

[0010] Preferably, the outer cylinder is provided with an inner circumferential mounting hole axially penetrating therethrough, and the outer cylinder is sleeved on the outer periphery of the inner bracket through the mounting hole.

[0011] Preferably, a plurality of first assembly columns are provided on the inner wall of the outer cylinder, and assembly grooves matching the first assembly columns are provided on the outer wall of the inner bracket. When the outer cylinder is sleeved on the inner bracket, the first assembly columns and the assembly grooves are tightly sleeved and matched.

[0012] Preferably, the opening size of the first air guiding opening is larger than that of the first air outlet; the opening size of the second air guiding opening is larger than that of the second air outlet.

[0013] Preferably, the air nozzle body further includes a ferrule, and the ferrule is fixedly installed at the open ends of the outer cylinder and the inner bracket through fasteners.

[0014] The beneficial effects of the present utility model are as follows: The present utility model relates to an air nozzle for a hair dryer to prevent flyaway. It can blow air from both left and right sides, facilitating the user to alternately operate with the left hand and the right hand without turning the switching part. The fluid forms a high-speed fluid at the narrow fluid outlet. The first negative pressure surface and the second negative pressure surface form negative pressure, and the high-speed fluid flows along the continuous surface formed by the air guiding inclined surface, the first negative pressure surface, and the second negative pressure surface in an attached-wall manner. According to the Coanda effect, when the hair approaches, the hair can be adsorbed, and the airflow interacting with the hair will also push the shorter hair away from the second negative pressure surface, enabling the shorter hair to pass through the longer hair and approach the scalp, thereby preventing flyaway, smoothing the hair, and reducing the phenomenon of frizzy hair. The overall structure of the present utility model is simple, easy to assemble, and reduces the manufacturing cost.

[0015] The air nozzle body of the present utility model is assembled by the outer cylinder and the inner bracket. The outer cylinder is sleeved on the inner bracket. The inner bracket has the function of guiding air and guiding the fluid to the air outlet of the outer cylinder. At the same time, the inner bracket also has a heat insulation function, so that the hot air provided by the hair dryer will not directly contact the outer cylinder, thereby reducing the temperature of the outer cylinder and avoiding the scalding problem caused when the user touches the outer cylinder. Description of the Drawings

[0016] Figure 1 is the schematic diagram of the overall structure of the present utility model.

[0017] Figure 2 is the schematic diagram of the explosion structure of the present utility model.

[0018] Figure 3 is the schematic diagram of the outer cylinder structure of the present utility model.

[0019] Figure 4 is the schematic diagram of the inner support structure of the present utility model.

[0020] Figure 5 is the schematic diagram of the ferrule structure of the present utility model.

[0021] Figure 6 is the schematic diagram of the overall structure of the present utility model after the inner support is sleeved on the outer cylinder.

[0022] Figure 7 is the schematic diagram of the air flow direction of the present utility model.

[0023] Figure 8 is the sectional view of the crown section of the present utility model.

[0024] Figure 9 is the schematic diagram of the air flow direction at the hair-attaching air outlet of the crown section of the present utility model.

[0025] Figure 10 is the schematic diagram of another angle of the air flow direction at the hair-attaching air outlet of the crown section of the present utility model.

[0026] Figure 11 The present utility model Figure 10 Enlarged view of part A in.

[0027] Reference numerals

[0028] 1. Outer cylinder; 11. First air outlet surface; 111. First air outlet; 112. First wind shielding surface; 113. Air guiding inclined surface; 114. First negative pressure surface; 115. Second negative pressure surface; 12. Second air outlet surface; 121. Second air outlet; 122. Second wind shielding surface; 13. Outer cylinder curved surface; 15. First assembly column; 151. First assembly hole; 14. Retaining ring;

[0029] 2. Inner support; 21. First air guiding surface; 211 First air guiding port; 22. Second air guiding surface; 221. Second air guiding port; 23. Inner support curved surface; 25. Second assembly column; 251. Second assembly hole; 26. Assembly groove;

[0030] 3. Hub; 31. Device connection part; 311. Fluid connection port; 32. Mounting hole; 4. Ventilation chamber; 5. Fluid inlet; 6. First side wall surface; 7. Second side wall surface; 8. Small curved surface; 9. Large curved surface. DETAILED DESCRIPTION

[0031] See also Figures 1-11 As shown, the utility model relates to an anti-flying hair dryer nozzle, comprising a nozzle body, a ventilation chamber 4 is provided inside the nozzle body, a fluid inlet 5 is provided at one end of the nozzle body, and the fluid inlet 5 is connected to the ventilation chamber 4, the nozzle body is a triangular prism-like structure or a triangular pyramid-like structure, the first side wall surface 6 and the second side wall surface 7 are respectively formed on the adjacent side wall surfaces of the nozzle body, the small curved surface 8 is formed at the edges of the adjacent first side wall surface 6 and the second side wall surface 7 of the nozzle body, and the first side wall surface 6 The first side wall 6 and the second side wall 7 are connected with one end through a small curved surface 8, and the other end through a large curved surface 9. The small curved surface 8 and the large curved surface 9 avoid scratching the hair during the left-right switching process and are conducive to guiding the hair. The first side wall 6 and the second side wall 7 are symmetrically arranged with the small curved surface 8 and form an angle. The first side wall 6 and the second side wall 7 are respectively provided with a first air outlet 111 and a second air outlet 121 that are connected to the ventilation chamber, and the small curved surface 8 is downstream of the first air outlet 111 and the second air outlet 121. The hair dryer device (not shown in the figure) provides fluid to enter the ventilation chamber 4 from the fluid inlet 5. After the fluid enters the ventilation chamber 4, it is ejected from the first air outlet 111 and the second air outlet 121 respectively, so that the air nozzle can discharge air from both sides, which is convenient for the user to realize the left-hand and right-hand alternating operation without turning the switch.

[0032] In this embodiment, the nozzle body includes an outer tube 1 and an inner bracket 2. The outer shape of the inner bracket 2 matches the inner shape of the outer tube 1. The outer tube 1 is sleeved on the inner bracket 2, and the inner bracket 2 is supported inside the outer tube 1. The inner wall of the outer tube 1 is provided with a plurality of first assembly columns 15, and the outer wall of the inner bracket 2 is provided with an assembly groove 26 matching the first assembly columns 15. When the outer tube 1 is sleeved on the inner bracket 2, the first assembly columns 15 are tightly sleeved and matched with the assembly groove 26, so that the outer tube 1 and the inner bracket 2 are combined.

[0033] In the utility model, the inner bracket 2 has a heat insulation effect, so that the hot fluid emitted by the hair dryer will not directly contact the outer tube 1, thereby reducing the surface temperature of the outer tube 1 and preventing the user from being scalded when touching the outer tube 1 during use.

[0034] In this embodiment, the outer cylinder 1 is sleeved on the inner bracket 2 to form the nozzle body, the ventilation chamber 4 is arranged inside the inner bracket 2, and the bottom of the inner bracket 2 is the fluid inlet 5. The outer wall surface of the outer cylinder 1 is provided with a first air outlet surface 11 and a second air outlet surface 12, the first air outlet surface 11 and the second air outlet surface 12 are the first side wall surface 6 and the second side wall surface 7 of the nozzle body, the first air outlet surface 11 is adjacent to the second air outlet surface 12, wherein an outer cylinder curved surface 13 is provided between the first air outlet surface 11 and the second air outlet surface 12 for connection. In this embodiment, the outer cylinder curved surface 13 is respectively connected to the first air outlet surface 11 and the second air outlet surface 12, so that the first air outlet surface 11 and the second air outlet surface 12 form a first angle α. A plurality of first air outlets 111 are formed on the first air outlet surface 11, and a plurality of second air outlets 121 are formed on the second air outlet surface 12, wherein the first air outlets 111 and the second air outlets 121 are arranged in an array on the first air outlet surface 11 and the second air outlet surface 12, respectively. The outer wall surface of the inner bracket 2 is provided with a first air guide surface 21 and a second air guide surface 22, wherein the first air guide surface 21 is adjacent to the second air guide surface 22, wherein an inner bracket curved surface 23 is provided between the first air guide surface 21 and the second air guide surface 22 for connection. The inner bracket curved surface 23 is respectively connected to the first air guide surface 21 and the second air guide surface 22, so that the first air guide surface 21 and the second air guide surface 22 form a second angle β. The first air guide surface 21 is provided with a plurality of first air guide ports 211, and the second air guide surface 22 is provided with a plurality of second air guide ports 221, wherein the first air guide ports 211 and the second air guide ports 221 are arranged in an array on the first air guide surface 21 and the second air guide surface 22, respectively. In this embodiment, the pressure, fluid distribution and fluid velocity inside the ventilation chamber 4 are affected by the design of the first angle α and the second angle β. According to the Coanda effect, in a fluid (an incompressible ideal fluid), the pressure in the area with higher velocity is lower, while the pressure in the area with lower velocity is higher. When the second angle β decreases, the path of the fluid through the area becomes narrower. In order to maintain the overall continuity and mass conservation of the fluid, the fluid must speed up to pass through this narrow area, thereby increasing the velocity at the outlet. Therefore, the smaller the design of the second angle β, the faster the fluid is exported from the ventilation chamber 4 to the first air guide port 211 and the second air guide port 221.

[0035] Furthermore, retaining rings 14 are provided at both ends of the outer tube 1. The retaining rings 14 are located at both sides of the air outlet to surround the hair on the air outlet.

[0036] Furthermore, in this embodiment, when the outer cylinder 1 is sleeved on the inner bracket 2, the fluid in the ventilation chamber 4 is guided to the first air outlet 111 and the second air outlet 121 through the first air guiding opening 211 and the second air guiding opening 221, and finally flows out from the first air outlet 111 and the second air outlet 121. Among them, the number of the first air outlets 111 is the same as that of the first air guiding openings 211, or the number of the first air outlets 111 is twice that of the first air guiding openings 211. Therefore, the opening size of the first air guiding opening 211 is larger than that of the first air outlet 111; the number of the second air outlets 121 is twice that of the second air guiding openings 221. Therefore, the opening size of the second air guiding opening 221 is larger than that of the second air outlet 121. Since the opening sizes of the first air guiding opening 211 and the second air guiding opening 221 are larger than those of the first air outlet 111 and the second air outlet 121, a first wind shielding surface 112 can be formed at the connection between the first air guiding opening 211 and the first air outlet 111 and at the connection between the second air guiding opening 221 and the second air outlet 121. The first air outlet 111 and the first air guiding opening 211, and the second air outlet 121 and the second air guiding opening 221 are respectively aligned in the air outlet direction. When the fluid flows out from the first air guiding opening 211 and the second air guiding opening 221 to the first air outlet 111 and the second air outlet 121 respectively, the first wind shielding surface 112 and the second wind shielding surface 122 can further increase the wind speed of the first air outlet 111 and the second air outlet 121, so that the hair can be dried more effectively within the same time, thus saving the user's time. At the same time, since the wind speed of the first air outlet 111 and the second air outlet 121 is greater than the wind speed entering the ventilation chamber 4. Furthermore, in this embodiment, a first negative pressure surface 114 is provided at the first air outlet 111 and the second air outlet 121, and a part of the first side wall surface 6 downstream of the first air outlet 111 and a part of the second side wall surface 7 downstream of the second air outlet 121 form a second negative pressure surface 115. The first air guiding opening 211 and the second air guiding opening 221 are provided with air guiding inclined surfaces 113. The air guiding inclined surfaces 113, the first wind shielding surface 112, and the first negative pressure surface 114 enclose a narrow and long fluid outlet. At the same time, the air guiding inclined surfaces 113 guide the flow of the air and play a role in diverging the flow of the air, thereby reducing the air flow speed and noise. The fluid forms a high-speed fluid at the narrow and long fluid outlet. The first negative pressure surface 114 and the second negative pressure surface 115 form a negative pressure. The high-speed fluid flows along the continuous surface formed by the air guiding inclined surfaces 113, the first negative pressure surface 114, and the second negative pressure surface 115 in an attached-wall manner. The air guiding inclined surfaces 113 and the first negative pressure surface 114 are connected to form a plane. The first negative pressure surface 114 and the second negative pressure surface 115 are connected at an included angle Φ, and Φ is greater than 13°. When the hair approaches, the hair can be adsorbed, realizing smoothing the hair and drying the hair, and reducing the phenomenon of frizzy hair.

[0037] In this embodiment, the nozzle body further includes a ferrule 3, which mainly fixedly connects the outer cylinder 1 and the inner bracket 2 and is connected to the hair dryer device. Further, the ferrule 3 is installed at the bottoms of the outer cylinder 1 and the inner bracket 2. The ferrule 3 is provided with a device connection portion 31, and the device connection portion 31 is connected to the hair dryer device. A fluid connection port 311 is provided in the device connection portion 31, and the fluid connection port 311 is respectively connected to the fluid inlet 5 and the hair dryer device. When the hair dryer device provides fluid, the fluid flows from the fluid connection port 311 to the fluid inlet 5.

[0038] Furthermore, several first assembly posts 15 are provided on the inner wall of the outer cylinder 1, and at least one second assembly post 25 is provided on the inner wall of the inner bracket 2. First assembly holes 151 and second assembly holes 251 are provided on the first assembly post 15 and the second assembly post 25. The ferrule 3 is provided with mounting holes 32 that are matched with the positions of the first assembly holes 151 and the second assembly holes 251. The mounting holes 32 are fixedly installed with the first assembly holes 151 and the second assembly holes 251 through fasteners, so that the ferrule 3 is fixedly installed at the bottoms of the outer cylinder 1 and the inner bracket 2.

[0039] The utility model relates to a nozzle for a hair dryer that prevents flyaway. The nozzle body is assembled by an outer cylinder 1 and an inner bracket 2. The outer cylinder 1 is sleeved on the inner bracket 2. The inner bracket 2 has the function of guiding air, guiding the fluid to the air outlet of the outer cylinder 1. At the same time, the inner bracket 2 also has a heat insulation function, and the hot air provided by the hair dryer will not directly contact the outer cylinder 1, thereby reducing the temperature of the outer cylinder 1 and avoiding the scalding problem caused when the user touches the outer cylinder 1.

[0040] In the utility model, the outer cylinder 1 is provided with two adjacent air outlet surfaces, and the air outlet surfaces are connected by an outer cylinder curved surface 13. The small curved surface 8 of the outer cylinder 1 is respectively connected to the two air outlet surfaces, forming an included angle between the two air outlet surfaces. A plurality of air outlets are respectively provided on the air outlet surfaces. Through the design of the included angle, after the fluid flows out from the air outlets, the Coanda effect is used to adsorb the hair, so that the hair is prevented from flying away and a smooth effect is achieved during the blowing process. The nozzle body can blow air from both the left and right sides at the same time, which is convenient for the user to alternately use the left and right hands without replacing the steering switching part. The overall structure is simple, the assembly is easy, and the manufacturing cost is reduced.

[0041] The above embodiments are only descriptions of the preferred embodiments of the utility model, and do not limit the scope of the utility model. Without departing from the design spirit of the utility model, various deformations and improvements made by those of ordinary engineering and technical personnel in the art to the technical solutions of the utility model shall fall within the protection scope determined by the claims of the utility model.

Claims

1. A nozzle for a hair dryer to prevent warping, comprising a nozzle body, wherein the nozzle body has a ventilation chamber (4) inside, one end of the nozzle body has a fluid inlet (5), and the fluid inlet (5) communicates with the ventilation chamber (4), and is characterized in that: The air nozzle body is provided with a first side wall surface (6), a small curved surface (8) and a second side wall surface (7). The first side wall surface (6) and the second side wall surface (7) are symmetrically arranged with respect to the small curved surface (8). Narrow and long fluid outlets communicating with the ventilation chamber (4) are respectively provided on the first side wall surface (6) and the second side wall surface (7).

2. The air nozzle for a hair dryer to prevent warping according to claim 1, characterized in that: The air nozzle body includes an outer cylinder (1) and an inner support (2). The outer cylinder (1) is respectively provided with a first air outlet (111) and a second air outlet (121) that are symmetrically arranged with the small curved surface (8) as the axis. The inner support (2) is respectively provided with a first air guiding port (211) and a second air guiding port (221) at corresponding positions of the first air outlet (111) and the second air outlet (121). The joints between the first air guiding port (211) and the first air outlet (111), and between the second air guiding port (221) and the second air outlet (121) form a wind shielding surface. The first air guiding port (211) and the second air guiding port (221) are provided with air guiding inclined surfaces (113). A first negative pressure surface (114) is provided downstream of the air guiding inclined surface (113) where the first air outlet (111) and the second air outlet (121) are located. At least part of the first side wall surface (6) and the second side wall surface (7) are provided with a second negative pressure surface (115) downstream of the first air outlet (111) and the second air outlet (121). The wind shielding surface, the air guiding inclined surface (113), and the first negative pressure surface (114) enclose a narrow and long fluid outlet.

3. The air nozzle for a hair dryer that prevents warping according to claim 2, wherein: The air guiding inclined surface (113) and the first negative pressure surface (114) are joined to form a plane. The first negative pressure surface (114) and the second negative pressure surface (115) are connected at an angle Φ, and Φ is greater than 130°.

4. The air nozzle for a hair dryer to prevent warping according to claim 2, characterized in that: The outer wall surface of the outer cylinder (1) is provided with a first air outlet surface (11) and a second air outlet surface (12). The first air outlet surface (11) is adjacent to the second air outlet surface (12). Among them, an outer cylinder curved surface (13) is provided between the first air outlet surface (11) and the second air outlet surface (12) for connection. The first air outlet (111) and the second air outlet (121) are respectively arranged in an array on the first air outlet surface (11) and the second air outlet surface (12). The outer wall surface of the inner support (2) is provided with a first air guiding surface (21) and a second air guiding surface (22). The first air guiding surface (21) is adjacent to the second air guiding surface (22). Among them, an inner support curved surface (23) is provided between the first air guiding surface (21) and the second air guiding surface (22) for connection. The first air guiding port (211) and the second air guiding port (221) are respectively arranged in an array on the first air guiding surface (21) and the second air guiding surface (22).

5. The air nozzle for a hair dryer to prevent warping according to claim 1, characterized in that: The air nozzle body is of a structure similar to a triangular prism or a triangular pyramid. The first side wall surface (6) and the second side wall surface (7) are respectively formed on adjacent side walls of the air nozzle body, and the small curved surface (8) is formed at the edge of the adjacent side walls of the air nozzle body.

6. The air nozzle for a hair dryer for preventing warping according to claim 2, wherein: The outer cylinder (1) is provided with an axially penetrating inner circumferential mounting hole, and the outer cylinder (1) is sleeved on the outer periphery of the inner support (2) through the mounting hole.

7. The air nozzle for a hair dryer for preventing warping according to claim 6, characterized in that: A plurality of first assembly columns (15) are provided on the inner wall of the outer cylinder (1), and an assembly groove (26) matching the first assembly columns (15) is provided on the outer wall of the inner bracket (2). When the outer cylinder (1) is sleeved on the inner bracket (2), the first assembly columns (15) are tightly sleeved and matched with the assembly grooves (26).

8. The air nozzle for a hair dryer that prevents warping according to claim 2 or 4, characterized in that: The opening size of the first air guide port (211) is larger than that of the first air outlet (111); the opening size of the second air guide port (221) is larger than that of the second air outlet (121).

9. The air nozzle for a hair dryer to prevent warping according to claim 2, characterized in that: The nozzle body further includes a ferrule (3), and the ferrule (3) is fixedly installed at the open ends of the outer cylinder (1) and the inner bracket (2) through fasteners.

Images