Diffusion tuyere, blower and use method of diffusion tuyere

By designing a diffuser nozzle, the problem of turbulent airflow in the hair dryer nozzle was solved, achieving smooth diffusion of airflow and efficient air output, thus improving the drying and shaping effect of the hair dryer.

CN120959502APending Publication Date: 2025-11-18ZUODIAN IND (HUBEI) CO LTD
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Patent Information

Application Number
CN202511285828.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2025-04-06
Filing Date
2025-09-10
Publication Date
2025-11-18

AI Technical Summary

Technical Problem

Existing hair dryers are prone to turbulence at the nozzle and fluid outlet of the main body, resulting in poor airflow, low airflow efficiency, and affecting drying and shaping effects.

Method used

Design a diffuser nozzle, including a detachable lower and upper shell. An air channel is provided at the bottom of the lower shell, and ventilation holes and toothed posts are provided on the upper shell. The ventilation holes and air blowing holes are staggered and connected with magnetic components to achieve smooth diffusion of airflow.

Benefits of technology

With staggered ventilation holes and air blowing holes, the airflow gradually diffuses within the nozzle, resulting in high air output efficiency, good blowing effect, smooth airflow, and improved drying and shaping functions.

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Abstract

The invention discloses a diffusion tuyere, a blower and a using method of the diffusion tuyere. The diffusion tuyere comprises a tuyere lower shell and a tuyere upper shell which are detachably connected; an air channel is formed in the bottom of the tuyere lower shell; a plurality of ventilation holes communicated with the air channel are formed in the upper tuyere shell; a plurality of tooth columns are arranged on the upper surface of the tuyere upper shell; a first air blowing hole is formed in the inner side of each tooth column on the periphery of the upper surface of the tuyere upper shell, and second air blowing holes are symmetrically formed in the two sides of each tooth column on the inner periphery of the upper surface of the tuyere upper shell; the ventilation holes are staggered with the first air blowing holes and the second air blowing holes respectively. The air nozzle lower shell is provided with the air channel, each tooth column on the outer periphery is provided with the first air blowing hole, each tooth column on the inner periphery is provided with the second air blowing hole, and air fluid enters the air nozzle lower shell through the air channel and then is gradually diffused to the air nozzle upper shell along the inner wall of the air nozzle lower shell. And finally, air is blown out through the staggered ventilation holes, the first air blowing holes and the second air blowing holes, smooth diffusion of air fluid is achieved, and the air outlet efficiency is high.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of hair dryers, in particular to a diffuser nozzle, a hair dryer and a method of using the same. BACKGROUND

[0002] Hair dryers can be used for drying and shaping hair, and can also be used for drying and beautifying other objects. The air outside is sucked into the hair dryer, heated and then blown out. Most hair dryers have a nozzle at the fluid outlet to concentrate the air and blow it out after the fluid outlet. However, the area between the existing nozzle and the fluid outlet of the main body of the hair dryer is prone to turbulence, which causes the air to flow out of the nozzle to be not smooth, further reducing the efficiency of the air flow and the effect of the hair dryer, and affecting the drying and shaping functions of the hair dryer. SUMMARY

[0003] The present application provides a diffuser nozzle, a hair dryer and a method of using the same, by providing an air passage, a ventilation hole and a blowing hole.

[0004] The technical scheme adopted by the present application is as follows: A diffuser nozzle comprises: a detachably connected lower nozzle shell and an upper nozzle shell; an air passage is formed in the bottom of the lower nozzle shell, and the inner wall of the lower nozzle shell is gradually outwardly expanded from bottom to top; a plurality of ventilation holes are formed in the upper nozzle shell and communicate with the air passage; a plurality of tooth columns are arranged on the upper surface of the upper nozzle shell, and the plurality of tooth columns are arranged in at least two circles around the periphery and the inner periphery of the upper surface of the upper nozzle shell; a first blowing hole is formed in the inner side of each tooth column on the periphery of the upper surface of the upper nozzle shell and communicates with the air passage, and a second blowing hole is symmetrically formed on both sides of each tooth column on the inner periphery of the upper surface of the upper nozzle shell and communicates with the air passage; the ventilation holes are staggered with the first blowing holes and the second blowing holes.

[0005] Further, a plurality of protrusions are arranged on the inner wall of the lower nozzle shell, and a plurality of grooves are formed in the bottom of the upper nozzle shell and are adapted to the protrusions.

[0006] Further, a receiving cavity is formed in the bottom of the lower nozzle shell, and the outer wall of the receiving cavity is connected to the inner wall of the bottom of the lower nozzle shell by a plurality of baffles.

[0007] Further, a hollow protrusion is integrally formed in the middle of the lower surface of the upper nozzle shell, an open end is formed on the side of the hollow protrusion facing the tooth column, and the tooth column is arranged around the open end.

[0008] Further, the other side of the hollow convex is provided as a closed end, the closed end is accommodated in the inside of the lower shell of the air nozzle and is detachably connected with the accommodating cavity.

[0009] Further, the height of each tooth column of the outer periphery is greater than the height of each tooth column of the inner periphery.

[0010] Further, the first blowing hole and the second blowing hole are both provided as a waist type, and the lower end of the first blowing hole and the second blowing hole are both provided as an inclined surface.

[0011] Further, the first magnetic attraction member is detachably connected in the accommodating cavity.

[0012] In another aspect, the application further discloses a hair dryer, comprising a hair dryer body and a diffusion air nozzle, the diffusion air nozzle is detachably connected to the hair dryer body.

[0013] In a third aspect, the application further discloses a hair dryer, comprising a hair dryer body and a diffusion air nozzle, wherein the hair dryer body is further provided with a second magnetic attraction member which is attractively connected with the first magnetic attraction member.

[0014] In a fourth aspect, the application further discloses a method for using a hair dryer, applied to the above hair dryer, comprising the following steps: The diffusion air nozzle is attractively connected to the hair dryer body through the attractively connected first magnetic attraction member and the second magnetic attraction member; The hair dryer works, and the air flow blown by the hair dryer body is blown to the user's hair through the air passage of the lower shell of the air nozzle, and the plurality of ventilation holes and the plurality of tooth columns of the upper shell of the air nozzle.

[0015] Compared with the prior art, the application has the following beneficial effects: The diffusion air nozzle of the application comprises a diffusion-shaped lower shell of the air nozzle and an upper shell of the air nozzle provided with a plurality of ventilation holes and a plurality of tooth columns, wherein the lower shell of the air nozzle is provided with an air passage, each tooth column of the outer periphery is provided with a first blowing hole, and each tooth column of the inner periphery is provided with a second blowing hole, the air flow enters the lower shell of the air nozzle through the air passage, is gradually diffused to the upper shell of the air nozzle along the inner wall of the lower shell of the air nozzle, and is finally blown out through the staggered ventilation holes, the first blowing hole and the second blowing hole, so that the air flow is diffused smoothly and the air outlet efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0016] The application will be further described below in combination with the drawings and specific embodiments: Figure 1 is a diffusion air nozzle structure schematic diagram in the application; Figure 2 is a diffusion air nozzle structure explosion schematic diagram in the application Figure 1 ; Figure 3is the explosion schematic of the diffusion air nozzle structure in the application Figure 2 ; Figure 4 is the explosion schematic of the diffusion air nozzle structure in the application Figure 3 ; Figure 5 is the internal structure schematic of the air nozzle lower shell in the application Figure 6 is the external structure schematic of the air nozzle lower shell in the application Figure 7 is the structure top view of the air nozzle upper shell in the application Figure 8 is the structure schematic of the air blower and the diffusion air nozzle in the application Figure 9 is the flow direction schematic of the air fluid in the air blower and the diffusion air nozzle in the application

[0017] In the figure: 1, air nozzle upper shell; 2, air nozzle lower shell; 3, air passage; 4, tooth column; 401, first air blowing hole; 402, second air blowing hole; 5, protruding block; 6, recess; 7, accommodating cavity; 8, baffle; 9, first magnetic attraction piece; 10, open end; 11, hollow protrusion; 12, ventilation hole; 13, inclined surface; 14, air blower main body; 15, second magnetic attraction piece; 16, closed end; 17, annular groove; 18, clamping block. DETAILED DESCRIPTION EMBODIMENT

[0018] As shown in Figures 1 to 7 , a diffusion air nozzle comprises: detachably connected air nozzle lower shell 2 and air nozzle upper shell 1; the bottom of the air nozzle lower shell 2 is provided with an air passage 3, and the inner wall of the air nozzle lower shell 2 is gradually outwardly expanded from bottom to top; the air nozzle upper shell 1 is provided with a plurality of ventilation holes 12 in communication with the air passage 3; the upper surface of the air nozzle upper shell 1 is provided with a plurality of tooth columns 4, and the plurality of tooth columns 4 are arranged along at least two circles of the outer periphery and the inner periphery of the upper surface of the air nozzle upper shell 1; the inner side of each tooth column 4 of the outer periphery of the upper surface of the air nozzle upper shell 1 is provided with a first air blowing hole 401 in communication with the air passage 3, and the two sides of each tooth column 4 of the inner periphery of the upper surface of the air nozzle upper shell 1 are symmetrically provided with a second air blowing hole 402 in communication with the air passage 3; the ventilation holes 12 are staggered with the first air blowing holes 401 and the second air blowing holes 402, respectively.

[0019] In this embodiment, the diffuser nozzle includes a diffuser-shaped lower nozzle shell 2 and an upper nozzle shell 1 with a plurality of ventilation holes 12 and a plurality of toothed pillars 4. The lower nozzle shell 2 is provided with an air channel 3. Each toothed pillar 4 on the periphery is provided with a first air blowing hole 401, and each toothed pillar 4 on the inner periphery is provided with a second air blowing hole 402. The air fluid enters the lower nozzle shell 2 through the air channel 3, and then gradually diffuses along the inner wall of the lower nozzle shell 2 to the upper nozzle shell 1. Finally, it is blown out through the staggered ventilation holes 12, the first air blowing hole 401 and the second air blowing hole 402 respectively, so as to achieve smooth air fluid diffusion and high air output efficiency. Example

[0020] like Figures 1 to 7 As shown, a diffuser nozzle includes: a detachably connected lower nozzle shell 2 and an upper nozzle shell 1; an air channel 3 is provided at the bottom of the lower nozzle shell 2, and the inner wall of the lower nozzle shell 2 gradually expands outward from bottom to top; a plurality of ventilation holes 12 communicating with the air channel 3 are provided on the upper surface of the upper nozzle shell 1; a plurality of toothed pillars 4 are provided on the upper surface of the upper nozzle shell 1, and the plurality of toothed pillars 4 are arranged in at least two circles along the outer periphery and inner periphery of the upper surface of the upper nozzle shell 1; each toothed pillar 4 on the outer periphery of the upper surface of the upper nozzle shell 1... The inner side of the nozzle has a first air hole 401 that communicates with the air channel 3. The upper surface of the nozzle upper shell 1 has a second air hole 402 that communicates with the air channel 3 on both sides of each toothed column 4. The ventilation hole 12 is staggered with the first air hole 401 and the second air hole 402 respectively. The inner wall of the nozzle lower shell 2 is provided with a number of protrusions 5. The bottom of the nozzle upper shell 1 has a groove 6 that matches the protrusions 5. Each protrusion 5 is engaged in the corresponding groove 6.

[0021] In this embodiment, based on embodiment 1, by setting protrusion 5 and groove 6, the protrusion 5 on the lower shell 2 of the nozzle can be quickly locked into the groove 6 opened in the upper shell 1 of the nozzle, which further facilitates the installation and disassembly between the upper shell 1 and the lower shell 2 of the nozzle. Example

[0022] like Figures 1 to 7As shown, a diffuser nozzle includes: a detachably connected lower nozzle shell 2 and an upper nozzle shell 1; an air channel 3 is provided at the bottom of the lower nozzle shell 2, and the inner wall of the lower nozzle shell 2 gradually expands outward from bottom to top; a plurality of ventilation holes 12 communicating with the air channel 3 are provided on the upper surface of the upper nozzle shell 1; a plurality of toothed pillars 4 are provided on the upper surface of the upper nozzle shell 1, and the plurality of toothed pillars 4 are arranged in at least two circles along the outer periphery and inner periphery of the upper surface of the upper nozzle shell 1; a first air blowing hole 401 communicating with the air channel 3 is provided on the inner side of each toothed pillar 4 on the outer periphery of the upper surface of the upper nozzle shell 1, and a second air blowing hole 402 communicating with the air channel 3 is symmetrically provided on both sides of each toothed pillar 4 on the inner periphery of the upper surface of the upper nozzle shell 1; the ventilation holes 12 are staggered with the first air blowing hole 401 and the second air blowing hole 402 respectively; a receiving cavity 7 is provided at the bottom of the lower nozzle shell 2, and the outer wall of the receiving cavity 7 is connected to the inner wall of the bottom of the lower nozzle shell 2 by a plurality of baffles 8. In some embodiments, such as Figure 2 , Figure 5 As shown, the baffle 8 can pass through the receiving cavity 7 so that the air blown out by the hair dryer is evenly dispersed into the diffuser-shaped lower shell 2 of the nozzle.

[0023] In some other embodiments, a first magnetic suction member 9 may be detachably connected inside the receiving cavity 7. In this embodiment, based on embodiment 1, the receiving cavity 7 may be set to a square or elliptical shape, and the first magnetic suction member 9 is adapted to the receiving cavity 7; the receiving cavity 7 is set to facilitate the placement of the first magnetic suction member 9, further making full use of space; the first magnetic suction member 9 is set to facilitate the connection of the diffuser nozzle as a whole with other blower bodies. Example

[0024] like Figures 1 to 7 As shown, a diffuser nozzle includes: a detachably connected lower nozzle shell 2 and an upper nozzle shell 1; an air channel 3 is provided at the bottom of the lower nozzle shell 2, and the inner wall of the lower nozzle shell 2 gradually expands outward from bottom to top; a plurality of ventilation holes 12 communicating with the air channel 3 are provided on the upper nozzle shell 1; a plurality of toothed pillars 4 are provided on the upper surface of the upper nozzle shell 1, and the plurality of toothed pillars 4 are arranged in at least two circles along the outer periphery and inner periphery of the upper surface of the upper nozzle shell 1; a first air blowing hole 401 communicating with the air channel 3 is provided on the inner side of each toothed pillar 4 on the outer periphery of the upper surface of the upper nozzle shell 1, and a first air blowing hole 401 is provided on both sides of each toothed pillar 4 on the inner periphery of the upper surface of the upper nozzle shell 1. The nozzle has a second air hole 402 connected to the air channel 3; ventilation holes 12 are staggered with the first air hole 401 and the second air hole 402 respectively; a hollow protrusion 11 is integrally formed in the middle of the lower surface of the nozzle upper shell 1, and the side facing the hollow protrusion 11 on the upper surface of the nozzle upper shell 1 is set as an open end 10, and several toothed pillars 4 on the inner circumference of the upper surface of the nozzle upper shell 1 are set around the outside of the open end 10; the side facing the hollow protrusion 11 on the lower surface of the nozzle upper shell 1 is set as a closed end 16, and the closed end 16 of the hollow protrusion 11 is set inside the nozzle lower shell 2 and is detachably connected to one side of the receiving cavity 7.

[0025] In this embodiment, based on embodiment 3, the diffused airflow is further refined by setting ventilation holes 12 in the air channel 3; a hollow protrusion 11 is set with one end as a closed end 16 and the other end as an open end 10, which saves materials while ensuring the stability of the overall structure after the lower end of the upper shell 1 of the nozzle is connected to the lower shell 2 of the nozzle; furthermore, an annular groove 17 is opened around the outer end face of the closed end 16 of the hollow protrusion 11, and a locking block 18 adapted to the annular groove 17 is set on one side of the receiving cavity 7. The lower shell 2 of the nozzle is embedded in the annular groove 17 and connected to the upper shell 1 of the nozzle through the locking block 18, which further improves the stability of the connection between the lower shell 2 of the nozzle and the upper shell 1 of the nozzle. Example

[0026] like Figures 1 to 7 As shown, a diffuser nozzle includes: a detachably connected lower nozzle shell 2 and an upper nozzle shell 1; an air channel 3 is provided at the bottom of the lower nozzle shell 2, and the inner wall of the lower nozzle shell 2 gradually expands outward from bottom to top; a plurality of ventilation holes 12 communicating with the air channel 3 are provided on the upper surface of the upper nozzle shell 1; a plurality of toothed pillars 4 are provided on the upper surface of the upper nozzle shell 1, and the plurality of toothed pillars 4 are arranged in at least two circles along the outer periphery and inner periphery of the upper surface of the upper nozzle shell 1; a first air blowing hole 401 communicating with the air channel 3 is provided on the inner side of each toothed pillar 4 on the outer periphery of the upper surface of the upper nozzle shell 1, and a second air blowing hole 402 communicating with the air channel 3 is symmetrically provided on both sides of each toothed pillar 4 on the inner periphery of the upper surface of the upper nozzle shell 1; the ventilation holes 12 are staggered with the first air blowing hole 401 and the second air blowing hole 402 respectively; the height of each toothed pillar 4 on the outer periphery of the upper surface of the upper nozzle shell 1 is greater than the height of each toothed pillar 4 on the inner periphery of the upper surface of the upper nozzle shell 1.

[0027] In this embodiment, based on embodiment 1, a height difference is set between each peripheral toothed post 4 and each inner toothed post 4, and the airflow is layered in the upper part of the nozzle shell 1 to ensure that the airflow is not disordered, the blowing effect is good, and the drying and shaping functions of the blower are guaranteed. Example

[0028] like Figures 1 to 7As shown, a diffuser nozzle includes: a detachably connected lower nozzle shell 2 and an upper nozzle shell 1; an air channel 3 is provided at the bottom of the lower nozzle shell 2, and the inner wall of the lower nozzle shell 2 gradually expands outward from bottom to top; a plurality of ventilation holes 12 communicating with the air channel 3 are provided on the upper nozzle shell 1; a plurality of toothed pillars 4 are provided on the upper surface of the upper nozzle shell 1, and the plurality of toothed pillars 4 are arranged in at least two circles along the outer periphery and inner periphery of the upper surface of the upper nozzle shell 1; each of the outer periphery of the upper surface of the upper nozzle shell 1... Each toothed column 4 has a first air hole 401 connected to the air channel 3 on its inner side. Each toothed column 4 on the inner side of the upper surface of the nozzle shell 1 has a second air hole 402 connected to the air channel 3 on both sides. The ventilation holes 12 are staggered with the first air hole 401 and the second air hole 402 respectively. The first air hole 401 and the second air hole 402 are both waist-shaped. The lower ends of the first air hole 401 and the second air hole 402 are both provided with inclined surfaces 13.

[0029] In this embodiment, based on embodiment 1, by setting inclined surfaces 13 at the lower ends of the first air hole 401 and the second air hole 402 on the tooth column 4 respectively, the inclined surfaces 13 can buffer the rapid impact of the air fluid when it is blown out from the first air hole 401 and the second air hole 402. Example

[0030] like Figures 1 to 7 As shown, a diffuser nozzle includes: a detachably connected lower nozzle shell 2 and an upper nozzle shell 1; an air channel 3 is provided at the bottom of the lower nozzle shell 2, and the inner wall of the lower nozzle shell 2 gradually expands outward from bottom to top; a plurality of ventilation holes 12 communicating with the air channel 3 are provided on the upper surface of the upper nozzle shell 1; a plurality of toothed pillars 4 are provided on the upper surface of the upper nozzle shell 1, and the plurality of toothed pillars 4 are arranged in at least two circles along the outer periphery and inner periphery of the upper surface of the upper nozzle shell 1; a first air blowing hole 401 communicating with the air channel 3 is provided on the inner side of each toothed pillar 4 on the outer periphery of the upper surface of the upper nozzle shell 1, and a second air blowing hole 402 communicating with the air channel 3 is symmetrically provided on both sides of each toothed pillar 4 on the inner periphery of the upper surface of the upper nozzle shell 1; the ventilation holes 12 are staggered with the first air blowing hole 401 and the second air blowing hole 402 respectively; the upper surface of the upper nozzle shell 1 is inclined downward from the side to the center.

[0031] In this embodiment, based on embodiment 1, the upper surface of the nozzle shell 1 is inclined downward from the side to the center, which facilitates the airflow to gather on the upper surface of the nozzle shell 1 and avoids excessive airflow from escaping, thus preventing the hair styling effect from being achieved. Example

[0032] like Figures 1 to 8As shown, a hair dryer, comprising a hair dryer body 14 and a diffusion nozzle, the diffusion nozzle is detachably connected to the hair dryer body 14, specifically; the side of the hair dryer body 14 is provided with a second magnetic attraction piece 15 corresponding to the first magnetic attraction piece 9, the first magnetic attraction piece 9 and the second magnetic attraction piece 15 are attracted and connected; In this embodiment, by setting the first magnetic attraction piece 9 and the second magnetic attraction piece 15, the diffusion nozzle is quickly connected with the hair dryer body 14, the efficiency is improved, and the operation is convenient. Embodiment

[0033] A method for using a hair dryer, applied to the hair dryer of embodiment 8, comprising the following steps: The diffusion nozzle is attracted and connected to the hair dryer body (14) by the first magnetic attraction piece (9) and the second magnetic attraction piece (15); The hair dryer works, and the air flow blown by the hair dryer body (14) passes through the air passage (3) of the lower shell (2) of the nozzle, and the air flow passes through the plurality of ventilation holes (12) and the plurality of tooth columns (4) of the upper shell (1) of the nozzle to the user's hair.

[0034] Specifically, in combination with Figure 9 As shown, the method for using a hair dryer, comprising the following steps: 1) The diffusion nozzle is attracted and connected to the hair dryer body 14 by the first magnetic attraction piece 9 and the second magnetic attraction piece 15; 2) Turn on the power of the hair dryer to work, at this time the air flow A in the hair dryer body 14 blows to the surface outlet of the hair dryer body 14, and then the air flow A blows straight into the diffusion nozzle connected with the hair dryer body 14 to form air flow B; 3) The air flow B blows to the air passage 3 of the lower shell 2 of the nozzle, and the air flow B in the air passage 3 is diffused to the upper shell 1 of the nozzle by the inner wall of the lower shell 2 gradually expanded from bottom to top, due to the existence of the hollow convex 11, the air flow B blows to the plurality of ventilation holes 12 and the first blowing hole 401 and the second blowing hole 402 of the plurality of tooth columns 4 opened on the upper shell 1 on both sides of the hollow convex 11 to form air flow C; 4) The air flow C blows to the hair aligned with the upper surface of the upper shell 1 of the nozzle, realizing the drying and setting of the hair.

[0035] The application is characterized in that the air flows into the lower shell 2 of the tuyere through the air passage 3, and then diffuses to the upper shell 1 of the tuyere through the inner wall of the lower shell 2, and then blows to the upper surface and upper part of the upper shell 1 of the tuyere through the staggered air holes 12, the first blowing holes 401 and the second blowing holes 402, so that the air flow diffuses smoothly and the air outlet efficiency is high.

[0036] The above-described embodiments are merely preferred embodiments of the application, and are not intended to limit the scope of the application. Without departing from the principles and the essence of the application, various modifications and improvements to the technical solutions of the application made by those skilled in the art shall fall within the protection scope of the claims of the application.

Claims

1. A diffuser nozzle, characterized in that, include: The nozzle lower shell (2) and the nozzle upper shell (1) are detachably connected. An air channel (3) is provided at the bottom of the lower shell (2) of the air nozzle, and the inner wall of the lower shell (2) of the air nozzle gradually expands outward from bottom to top; The upper shell (1) of the nozzle is provided with a plurality of ventilation holes (12) communicating with the air channel (3); the upper surface of the upper shell (1) is provided with a plurality of toothed pillars (4), and the plurality of toothed pillars (4) are arranged in at least two circles around the outer periphery and inner periphery of the upper surface of the upper shell (1); each toothed pillar (4) on the outer periphery of the upper surface of the nozzle (1) is provided with a first air blowing hole (401) communicating with the air channel (3) on its inner side, and each toothed pillar (4) on the inner periphery of the upper surface of the nozzle (1) is provided with a second air blowing hole (402) communicating with the air channel (3) on both sides; the ventilation holes (12) are staggered with the first air blowing hole (401) and the second air blowing hole (402) respectively.

2. A diffuser nozzle according to claim 1, characterized in that, The inner wall of the lower shell (2) of the nozzle is provided with several protrusions (5), and the bottom of the upper shell (1) of the nozzle is provided with a groove (6) that matches the protrusions (5).

3. A diffuser nozzle according to claim 1, characterized in that, The bottom of the lower shell (2) of the nozzle is provided with a receiving cavity (7), and the outer wall of the receiving cavity (7) is connected to the inner wall of the bottom of the lower shell (2) of the nozzle by a number of baffles (8).

4. A diffuser nozzle according to claim 3, characterized in that, A hollow protrusion (11) is integrally formed in the middle of the lower surface of the upper shell (1) of the nozzle. An open end (10) is provided on the side of the hollow protrusion (11) facing the toothed column (4). The toothed column (4) is arranged around the open end (10).

5. A diffuser nozzle according to claim 4, characterized in that, The other side of the hollow protrusion (11) is set as a closed end (16), which is accommodated inside the lower shell (2) of the nozzle and is detachably connected to the accommodating cavity (7).

6. A diffuser nozzle according to claim 1, characterized in that, The height of each of the outermost toothed pillars (4) is greater than the height of each of the innermost toothed pillars (4).

7. A diffuser nozzle according to claim 1, characterized in that, The first air hole (401) and the second air hole (402) are both waist-shaped, and the lower ends of the first air hole (401) and the second air hole (402) are both provided with inclined surfaces (13).

8. A diffuser nozzle according to any one of claims 1 to 7, characterized in that, The first magnetic suction element (9) is detachably connected inside the receiving cavity (7).

9. A hair dryer, characterized in that, It includes a hair dryer body (14) and a diffuser nozzle according to any one of claims 1 to 7, wherein the diffuser nozzle is detachably connected to the hair dryer body (14).

10. A hair dryer, characterized in that, It includes a hair dryer body (14) and a diffuser nozzle according to claim 8, wherein the hair dryer body (14) is further provided with a second magnetic member (15) that can be magnetically connected to the first magnetic member (9).

11. A method of using a hair dryer, applied to the hair dryer as described in claim 10, characterized in that, Includes the following steps: The diffuser nozzle is attached to the hair dryer body (14) by the attraction of the first magnetic component (9) and the second magnetic component (15); When the hair dryer is working, the airflow blown out by the hair dryer body (14) passes through the air channel (3) of the lower shell (2) of the nozzle and several ventilation holes (12) and several toothed columns (4) of the upper shell (1) of the nozzle and blows it onto the user's hair.