Diffusion tuyere

Abstract

The utility model discloses a diffusion tuyere which comprises a diffusion shell and a connecting base, the diffusion shell is provided with an opening, an air outlet and a diffusion cavity formed between the opening and the air outlet, and the diffusion cavity is gradually expanded in the direction from the opening to the air outlet; the connecting base covers the opening and is detachably connected with the diffusion shell. The connecting base is provided with an air inlet communicated with the diffusion cavity. According to the technical scheme, through the structure of the detachable part, the structures of all the parts of the diffusion tuyere can be independently machined, different colors or materials can be adopted according to the high-temperature requirement, and therefore the influence of the high temperature is reduced, and meanwhile the overall machining difficulty can be reduced.

Description

Technical Field

[0001] The present application relates to the technical field of hair dryers, and in particular to a diffuser nozzle. Background Art

[0002] Typically, a hair dryer is generally equipped with a diffusion nozzle, which is mainly used to reduce the speed of the air flow emitted from the hair dryer before the air is sprayed onto the user's hair, while making the air flow softer and more uniform, thereby improving the user's hair drying experience.

[0003] Since the diffuser nozzle is connected to the air outlet of the hair dryer, when the hair dryer blows out hot air, the air inlet of the diffuser nozzle is directly affected by the high temperature and may cause yellowing, thus affecting its use. Utility Model Content

[0004] The main purpose of the present application is to propose a diffuser nozzle, which aims to enable each part of the diffuser nozzle to be processed separately through a disassembled structure, and different colors or materials can be used according to high temperature requirements, thereby reducing the impact of high temperature.

[0005] To achieve the above-mentioned purpose, the present application proposes a diffuser nozzle, comprising:

[0006] A diffusion shell, the diffusion shell having an opening, an air outlet, and a diffusion cavity formed between the opening and the air outlet, the diffusion cavity being gradually expanded in a direction from the opening to the air outlet; and

[0007] A connecting seat covers the opening and is detachably connected to the diffusion shell, and the connecting seat is provided with an air inlet communicated with the diffusion chamber.

[0008] In one embodiment, the diffuser shell and the connecting seat are fixed by screws.

[0009] In one embodiment, a connecting column is provided on the side of the connecting seat facing the diffusion chamber, and the connecting column is provided with a connecting hole; a cavity wall of the diffusion chamber is provided with a fixing protrusion, and the fixing protrusion is provided with a fixing hole; the connecting hole and the fixing hole are used for the screw to pass through.

[0010] In one embodiment, one of the diffusion shell and the connection seat is provided with a positioning protrusion, and the other is provided with a positioning groove adapted to be plugged with the positioning protrusion.

[0011] In one embodiment, the connection seat is accommodated in the opening, and the positioning groove is arranged on the outer peripheral wall of the connection seat and penetrates the end surface of the connection seat toward the diffusion chamber to form a notch shape.

[0012] In one embodiment, the connecting base includes a bottom wall and a peripheral wall, the bottom wall covers the opening and is provided with the air inlet;

[0013] The peripheral wall surrounds the edge of the bottom wall and protrudes from the side of the bottom wall facing the diffusion cavity. The inner side surface of the peripheral wall is inclined outward in the direction away from the bottom wall, and the inner side surface of the peripheral wall is flush with the cavity wall of the diffusion cavity.

[0014] In one embodiment, a cavity wall of the diffusion cavity is provided with a plurality of first air guide plates, and the plurality of first air guide plates are distributed at intervals along the circumference of the diffusion shell.

[0015] In one embodiment, a plurality of second air guide plates are provided on the inner side surface of the peripheral wall, the plurality of second air guide plates are distributed at intervals along the circumference of the peripheral wall, and the plurality of second air guide plates are aligned one by one with the plurality of first air guide plates near the opening.

[0016] In one embodiment, an annular groove is provided on a side of the connecting seat facing away from the diffusion chamber, and the diffusion nozzle further includes a magnet embedded in the annular groove.

[0017] In one embodiment, the diffuser shell includes a first shell and a second shell that are detachably connected, the first shell is in the shape of a conical cylinder with two ends passing through and one end forming the opening, the second shell covers the other end of the first shell, and the second shell is provided with a plurality of the air outlets;

[0018] The diffusion nozzle further includes a sound-absorbing cotton, which is arranged on a side of the second shell facing the diffusion cavity, and the plurality of air outlets are arranged around the sound-absorbing cotton;

[0019] A limiting protrusion is provided on one side of the connecting seat facing the diffusion chamber, and the limiting protrusion abuts against one side of the sound-absorbing cotton facing the connecting seat.

[0020] The technical solution in the embodiment of the present application is to separate the diffuser nozzle into two parts, a separate diffuser shell and a connecting seat. The diffuser shell and the connecting seat can be processed separately, and the two can be processed respectively using materials of different colors or different types of materials. For example, the connecting seat can adopt a darker color for high-temperature airflow, thereby greatly reducing the possibility of yellowing of the connecting seat. When in use, the connecting seat is hidden between the diffuser shell and the hair dryer, thereby avoiding the connecting seat being exposed and affecting the overall appearance. The diffuser shell can adopt a lighter color, for example, the same color as the hair dryer, to achieve a more uniform color. In addition, the form of disassembly also facilitates the separate processing of the diffuser shell and the connecting seat, reducing the overall processing difficulty. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 This is an exploded schematic diagram of the diffusion nozzle in the embodiment of the present application;

[0023] Figure 2 for Figure 1 Schematic diagram of the assembly of the middle diffuser nozzle;

[0024] Figure 3 for Figure 2 A schematic plan view of the central diffuser nozzle;

[0025] Figure 4 for Figure 3 Schematic diagram of the cross section of the middle diffuser nozzle along line AA;

[0026] Figure 5 for Figure 1 A schematic diagram of the structure of the connecting seat in FIG.

[0027] Figure 6 for Figure 5 A plan view of the middle connecting seat;

[0028] Figure 7 for Figure 6 A schematic cross-sectional view of the middle connector along line BB;

[0029] Figure 8 for Figure 5 A schematic diagram of the structure of the middle connecting seat at another angle;

[0030] Fig. 9 for Figure 1 A schematic structural diagram of the first shell;

[0031] Fig.10 for Figure 1 A schematic cross-sectional view of the first shell;

[0032] Fig.11 for Figure 1 Schematic diagram of the structure of the second shell.

[0033] Description of Figure Numbers:

[0034] Label name Label name Label name 100 Diffuser 17 First shell 25 bottom wall 10 Diffuser Shell 18 Second shell 26 Peripheral wall 11 Opening 181 ribs 261 Inside 12 Air outlet 20 Connector 27 Second air guide plate 13 Diffusion chamber 21 Air Inlet 28 Annular groove 14 fixed convex part 22 Connecting column 29 Limiting protrusion 15 Fixing holes 23 Connection hole 30 magnet 16 First air guide plate 24 Positioning slot 40 Sound-absorbing cotton DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0036] It should be noted that, in the description of this application, if the terms "first", "second", etc. appear, "first" and "second" are only used to facilitate the description of different components or names, and cannot be understood as indicating or implying a sequential relationship, relative importance, or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" appears in the full text, its meaning is that it includes three parallel solutions, taking "A and / or B as an example", including Solution A, or Solution B, or a solution that satisfies both A and B.

[0037] Since the airflow from the hair dryer is in direct contact with the diffuser nozzle, when the hair dryer blows out hot air, the diffuser nozzle is in a high temperature state. In particular, since the air inlet of the diffuser nozzle (the air inlet is set on the connection seat) is in direct contact with the hair dryer, the air outlet of the hair dryer is at the position where the airflow is concentrated and the temperature at this position is often the highest. The hair dryer will quickly transfer the heat to the connection seat, resulting in the highest temperature of the connection seat. Therefore, the yellowing and aging phenomenon of the connection seat is the most serious, which is easy to affect the use.

[0038] For this, please refer to Figures 1 to 10 The embodiment of the present application provides a diffuser nozzle 100, which includes a diffuser shell 10 and a connection seat 20. The diffuser shell 10 has an opening 11, an air outlet 12, and a diffuser cavity 13 formed between the opening 11 and the air outlet 12. The diffuser cavity 13 is gradually expanded in the direction from the opening 11 to the air outlet 12. The connection seat 20 covers the opening 11 and is detachably connected to the diffuser shell 10. The connection seat 20 is provided with an air inlet 21 connected to the diffuser cavity 13.

[0039] By splitting the diffuser nozzle 100 into two parts, namely the diffuser shell 10 and the connecting seat 20, the diffuser shell 10 and the connecting seat 20 can be processed separately, and the two can be processed respectively using materials of different colors or different types of materials. For example, the connecting seat 20 can adopt a darker color for high-temperature airflow, thereby greatly reducing the possibility of the connecting seat 20 turning yellow. When in use, the connecting seat 20 is hidden between the diffuser shell 10 and the hair dryer, thereby preventing the connecting seat 20 from being exposed and affecting the overall appearance. The diffuser shell 10 can adopt a lighter color, for example, the same color as the hair dryer, to achieve a more uniform color.

[0040] The diffuser shell 10 and the connection seat 20 can be fixed by one or more combinations of methods such as snap-on connection, screw locking, directly processing internal and external threaded connection, or pin plugging.

[0041] Please refer to Figure 7 and Fig. 9 In some embodiments, the diffuser shell 10 and the connection seat 20 are fixed by screws. Specifically, a connection column 22 is provided on the side of the connection seat 20 facing the diffuser chamber 13, and the connection column 22 is provided with a connection hole 23; the cavity wall of the diffuser chamber 13 is provided with a fixing protrusion 14, and the fixing protrusion 14 is provided with a fixing hole 15; the connection hole 23 and the fixing hole 15 are used for screws to pass through. By providing the connection column 22 and the fixing protrusion 14, it is possible to avoid drilling through the diffuser shell 10 and the connection seat 20, and the connection column 22 and the fixing protrusion 14 can also have a certain structural reinforcement effect. In addition, the connection seat 20 can be provided with a plurality of connection columns 22, and the plurality of connection columns 22 are distributed at intervals along the circumference of the connection seat 20; correspondingly, the diffuser shell 10 is provided with a plurality of fixing protrusions 14.

[0042] Furthermore, in order to prevent the connection seat 20 from rotating circumferentially relative to the diffusion shell 10, one of the diffusion shell 10 and the connection seat 20 is provided with a positioning protrusion (not shown), and the other is provided with a positioning groove 24 that is adapted to be plugged with the positioning protrusion. In some embodiments, the connection seat 20 is accommodated in the opening 11, and the positioning groove 24 is provided on the outer peripheral wall 26 of the connection seat 20 and penetrates the end face of the connection seat 20 in the direction of the diffusion chamber 13 to form a notch shape. Therefore, when assembling, the positioning protrusion is aligned with the positioning groove 24, so that the positioning protrusion slides along the positioning groove 24, thereby guiding the installation of the connection seat 20, ensuring that after the connection seat 20 is pushed into the opening 11, the connection hole 23 and the fixing hole 15 can be aligned, so as to be subsequently screwed and locked.

[0043] Please refer to Figure 7 In some embodiments, the connection seat 20 includes a bottom wall 25 and a peripheral wall 26. The bottom wall 25 covers the opening 11 and is provided with an air inlet 21. The peripheral wall 26 surrounds the edge of the bottom wall 25 and protrudes from the side of the bottom wall 25 facing the diffusion chamber 13. The inner side surface 261 of the peripheral wall 26 is inclined outward in the direction away from the bottom wall 25, which has a diffusion effect on the airflow. Optionally, the inner side surface 261 of the peripheral wall 26 is flush with the cavity wall of the diffusion chamber 13, so that the connection seat 20 and the diffusion shell 10 form a smooth transition, reduce the obstruction to the airflow, and avoid turbulence. Of course, in other embodiments, the connection seat 20 can also be disc-shaped and no peripheral wall 26 is provided.

[0044] Please refer to Fig. 9 and Fig.10Furthermore, the cavity wall of the diffusion cavity 13 is provided with a plurality of air guide units, and the plurality of air guide units are spaced apart in the direction from the air inlet 21 to the air outlet 12, and each air guide unit includes a plurality of first air guide plates 16, and the plurality of first air guide plates 16 are spaced apart along the circumference of the diffusion shell 10.

[0045] By arranging the first air guide plate 16 in the diffusion chamber 13, the concave-convex structure formed by the first air guide plate 16 on the diffusion shell 10 can break up the airflow, so that the airflow is evenly distributed in the diffusion shell 10. At the same time, the first air guide plate 16 is in the shape of a long strip, so a narrow guide channel is formed between two adjacent first air guide plates 16. The guide channel generally extends in the direction from the opening 11 to the air outlet 12, which is conducive to guiding the airflow from the air inlet 21 to the air outlet 12 without causing excessive turbulence of the airflow, thereby improving the air outlet efficiency. Furthermore, when the airflow flows from a larger space and passes through the narrow guide channel, it will lose some energy, causing the speed of the airflow to decrease, and at the same time, a part of the noise generated by the airflow is also consumed, so the first air guide plate 16 also plays a role in silencing.

[0046] Please refer to it again Figure 7 Furthermore, a plurality of second air guide plates 27 are provided on the inner side surface 261 of the peripheral wall 26, and the plurality of second air guide plates 27 are spaced apart along the circumference of the peripheral wall 26, and the plurality of second air guide plates 27 are aligned one by one with the plurality of first air guide plates 16 near the opening 11. The second air guide plates 27 and the first air guide plates 16 are aligned in a way that the thickness of the second air guide plates 27 and the first air guide plates 16 are substantially the same, so that the two opposite sides of the second air guide plates 27 and the two opposite sides of the first air guide plates 16 in the circumferential direction of the connecting seat 20 can be substantially flush, thereby reducing the obstruction to the airflow. Of course, in other embodiments, the peripheral wall 26 can also be a smooth structure without the second air guide plates 27.

[0047] Please refer to Figure 1 and Figure 8 Further, a side of the connecting seat 20 away from the diffusion chamber 13 is provided with an annular groove 28, and the diffusion nozzle 100 further includes a magnet 30 embedded in the annular groove 28. The magnet 30 is used to magnetically cooperate with the air outlet end of the hair dryer.

[0048] Please refer to Figure 1 , Fig. 9 and Fig.11In some embodiments, the diffuser shell 10 includes a first shell 17 and a second shell 18 that are detachably connected. The first shell 17 is in a conical cylindrical shape with two ends passing through and one end forming an opening 11. The second shell 18 covers the other end of the first shell 17, and the second shell 18 is provided with a plurality of air outlets 12. Optionally, a plurality of first buckles are provided on the inner wall of the first shell 17, and a plurality of second buckles are provided on the second shell 18. The plurality of first buckles and the plurality of second buckles are correspondingly connected one by one, so as to achieve the fixation of the first shell 17 and the second shell 18.

[0049] Furthermore, the diffuser nozzle 100 further includes a sound-absorbing cotton 40, which is disposed on a side of the second housing 18 facing the diffusion chamber 13, and a plurality of air outlets 12 are disposed around the sound-absorbing cotton 40. The plurality of holes in the sound-absorbing cotton 40 can absorb a portion of the noise generated by the airflow, thereby achieving a noise reduction effect. Furthermore, the sound-absorbing cotton 40 is disposed away from the air outlet 12, so that the air outlet can be avoided from being blocked.

[0050] Please refer to it again Figure 7 , further, a limiting protrusion 29 is provided on the side of the connection seat 20 facing the diffusion chamber 13, and the limiting protrusion 29 abuts against the side of the silencer cotton 40 facing the connection seat 20. Thus, the silencer cotton 40 is pushed to fit with the second shell 18, and the silencer cotton 40 is well limited between the second shell 18 and the limiting protrusion 29. Optionally, the limiting protrusion 29 is arranged corresponding to the center of the silencer cotton 40, and is supported on the center of the silencer cotton 40. Further, the edge position of the silencer cotton 40 is abutted by the convex rib 181 arranged on the second shell 18, and the convex rib 181 is arranged in an arc shape around the silencer cotton 40. A plurality of convex ribs 181 are enclosed together to form a circular space, and the silencer cotton 40 is embedded in the circular aperture. The center of the silencer cotton 40 is supported by the limiting protrusion 29, and the convex rib 181 and the limiting protrusion 29 jointly support the silencer cotton 40 in a dispersed manner, so that the force on the silencer cotton 40 is relatively uniform.

[0051] In some embodiments, the limiting protrusion 29 is a hollow tubular structure, which is helpful to reduce the use of raw materials, reduce costs, and also help to reduce product weight.

[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A diffuser nozzle, characterized in that: include: A diffusion shell, the diffusion shell having an opening, an air outlet, and a diffusion cavity formed between the opening and the air outlet, the diffusion cavity being gradually expanded in a direction from the opening to the air outlet; and A connecting seat covers the opening and is detachably connected to the diffusion shell, and the connecting seat is provided with an air inlet communicated with the diffusion chamber.

2. The diffuser nozzle according to claim 1, characterized in that: The diffuser shell and the connecting seat are fixed by screws.

3. The diffuser nozzle according to claim 2, characterized in that: A connecting column is provided on the side of the connecting seat facing the diffusion chamber, and the connecting column is provided with a connecting hole; a fixing protrusion is provided on the cavity wall of the diffusion chamber, and the fixing protrusion is provided with a fixing hole; the connecting hole and the fixing hole are used for the screw to pass through.

4. The diffuser nozzle according to any one of claims 1 to 3, characterized in that: One of the diffusion shell and the connection seat is provided with a positioning protrusion, and the other is provided with a positioning groove adapted to be plugged with the positioning protrusion.

5. The diffuser nozzle according to claim 4, characterized in that: The connection seat is accommodated in the opening, and the positioning groove is arranged on the outer peripheral wall of the connection seat and penetrates the end surface of the connection seat toward the diffusion chamber to form a notch shape.

6. The diffuser nozzle according to claim 1, characterized in that: The connecting seat comprises a bottom wall and a peripheral wall, wherein the bottom wall covers the opening and is provided with the air inlet; The peripheral wall surrounds the edge of the bottom wall and protrudes from the side of the bottom wall facing the diffusion cavity. The inner side surface of the peripheral wall is inclined outward in the direction away from the bottom wall, and the inner side surface of the peripheral wall is flush with the cavity wall of the diffusion cavity.

7. The diffuser nozzle according to claim 6, characterized in that: The cavity wall of the diffusion cavity is provided with a plurality of first air guide plates, and the plurality of first air guide plates are distributed at intervals along the circumference of the diffusion shell.

8. The diffuser nozzle according to claim 7, characterized in that: A plurality of second air guide plates are disposed on the inner side surface of the peripheral wall. The plurality of second air guide plates are distributed at intervals along the circumference of the peripheral wall. The plurality of second air guide plates are aligned one by one with the plurality of first air guide plates near the opening.

9. The diffuser nozzle according to claim 1, characterized in that: An annular groove is provided on one side of the connecting seat away from the diffusion chamber, and the diffusion air nozzle further includes a magnet embedded in the annular groove.

10. The diffuser nozzle according to claim 1, characterized in that: The diffuser shell comprises a first shell and a second shell that are detachably connected, the first shell is in the shape of a conical cylinder with two ends passing through and one end forming the opening, the second shell covers the other end of the first shell, and the second shell is provided with a plurality of the air outlets; The diffusion nozzle further includes a sound-absorbing cotton, which is arranged on a side of the second shell facing the diffusion cavity, and the plurality of air outlets are arranged around the sound-absorbing cotton; A limiting protrusion is provided on one side of the connecting seat facing the diffusion chamber, and the limiting protrusion abuts against one side of the sound-absorbing cotton facing the connecting seat.

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