CN112648210A

CN112648210A - Bladeless fan air outlet structure and bladeless fan

Info

Publication number: CN112648210A
Application number: CN202110051000.4A
Authority: CN
Inventors: 袁明; 梁文龙; 黄燕宁; 陈宇强; 宋万坤; 刁浩佳
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-04-13

Abstract

The invention provides a bladeless fan air outlet structure and a bladeless fan. The bladeless fan air-out structure includes: the body part is provided with an air duct and an air outlet communicated with the air duct; the grid structure, the grid structure sets up in air outlet department, and the grid structure is located the outside of air outlet. The invention solves the problems of poor air outlet effect and high noise of the bladeless fan in the prior art.

Description

Bladeless fan air outlet structure and bladeless fan

Technical Field

The invention relates to the technical field of household appliances, in particular to a bladeless fan air outlet structure and a bladeless fan.

Background

The bladeless fan is popular among users due to the unique air outlet structure, the excellent safety performance and the technological appearance. When high-speed airflow enters the air duct, the traditional bladeless fan has the problems of complex structure and poor transitivity, so that the pressure loss of the high-speed rotating air in the air duct is large in the process of going from the airflow upstream to the airflow downstream, and the total air volume is small. And an upward velocity component exists in the air flow of the air outlet part, so that the upstream velocity of the air flow is higher, and the air outlet direction is inclined upwards.

When high-speed airflow enters the air duct, the traditional bladeless fan has no good air outlet structure for guiding air and guiding flow, and air rotating at high speed circles around in the air duct, so that vortex is easily generated, the airflow is blocked in the air duct, and cavity returning noise is easily generated.

That is to say, bladeless fan among the prior art has the air-out effect poor and the big problem of noise.

Disclosure of Invention

The invention mainly aims to provide a bladeless fan air outlet structure and a bladeless fan, and aims to solve the problems of poor air outlet effect and high noise of a bladeless fan in the prior art.

In order to achieve the above object, according to an aspect of the present invention, there is provided a bladeless fan outlet structure, including: the body part is provided with an air duct and an air outlet communicated with the air duct; the grid structure, the grid structure sets up in air outlet department, and the grid structure is located the outside of air outlet.

Further, the bars of the grille structure extend out towards the outside of the air outlet.

Furthermore, the grid bars of the grid structure are multiple, and the multiple grid bars are arranged at intervals along the length direction of the air outlet.

Further, the intervals between any two adjacent grid bars are equal.

Further, the positions of at least part of the grids along the length direction of the air outlet can be adjusted so as to adjust the distance between two adjacent grids.

Further, the grid bars are perpendicular to the air outlet.

Further, the width of the grill gradually decreases in a direction away from the body portion.

Further, the grid bars are in a ladder shape.

Further, the width of the overhanging end of the grid is smaller than the width of the root of the grid.

Further, the grid structure and the body part are integrally injection molded.

Further, the body part comprises an inner decoration part and an outer decoration part, and after the inner decoration part and the outer decoration part are assembled, a mounting cavity is formed between the inner decoration part and the outer decoration part; the wind channel includes preceding wind channel and back wind channel, and preceding wind channel is connected with the back wind channel and is installed in the installation intracavity, and one side that preceding wind channel deviates from the back wind channel has the air outlet, and the grid structure sets up the outside in the wind channel in the front.

Furthermore, the front air duct and the rear air duct are clamped.

Furthermore, at least one convex rib is arranged on the front air duct, a groove matched with the convex rib is arranged on the rear air duct, and the convex rib is embedded into the groove so that the front air duct and the rear air duct are clamped and fixed.

Furthermore, the front air duct is provided with a first adhesive surface, the internal decoration piece is provided with a second adhesive surface, and the first adhesive surface is bonded with the second adhesive surface; and/or the front air duct is provided with a third rubberizing surface, the outer decoration piece is provided with a fourth rubberizing surface, and the third rubberizing surface is bonded with the fourth rubberizing surface.

Furthermore, the rear air duct is clamped with the inner decoration piece; and/or the outer decoration is clamped with the inner decoration.

Furthermore, the rear air duct is provided with a first buckle, the inner decoration piece is provided with a first buckle groove, and the first buckle is clamped with the first buckle groove; and/or the inner decoration piece is provided with a second buckle, the outer decoration piece is provided with a second buckle groove, and the second buckle is clamped with the second buckle groove.

Furthermore, the bladeless fan air outlet structure also comprises at least one fastener, and the fastener penetrates through the rear air duct and is screwed to the inner decoration; and/or another fastener is screwed to the interior trim through the front duct.

According to another aspect of the present invention, a bladeless fan is provided, which includes the above bladeless fan outlet structure.

By applying the technical scheme of the invention, the bladeless fan air outlet structure comprises a body part and a grid structure, wherein the body part is provided with an air channel and an air outlet communicated with the air channel; the grid structure is arranged at the air outlet, and the grid structure is positioned at the outer side of the air outlet.

Through setting up the grid structure in the outside of air outlet for the grid structure has played the effect of air-guide, avoided the air condition emergence of air outlet exhaust wind deflection to appear, be favorable to realizing the air-out effect of straight-blow, the condition that can prevent high-speed rotatory wind from circling round in the wind channel simultaneously and form the vortex takes place, can not make the air current block up in the wind channel, effectively reduced wind pressure and the structural resistance in the wind channel, make air-out more smooth and easy, the possibility that the noise of returning the chamber produced has been reduced. Moreover, the arrangement can effectively reduce the wind loss in the process of the upstream air flow to the downstream air flow in the air duct, increase the air outlet amount, improve the air outlet efficiency, ensure the air outlet effect to be more uniform, improve the performance of the bladeless fan and ensure the use effect of a user. In addition, the bladeless fan air-out structure of this application has the advantage of simple structure, easy assembly, has improved the production efficiency of bladeless fan air-out structure greatly, and then improves the production efficiency of bladeless fan.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 illustrates a schematic structural view of a bladeless fan according to an alternative embodiment of the present invention;

figure 2 shows an exploded view of the body portion of figure 1;

figure 3 shows a schematic view of another angle of the body portion of figure 1;

figure 4 shows a schematic view of another angle of the body portion of figure 1;

figure 5 shows a top view of the body portion of figure 1;

FIG. 6 shows a schematic view of the interior trim piece of FIG. 1;

FIG. 7 is a schematic diagram of the front duct of FIG. 1;

FIG. 8 is a schematic view illustrating another angle of the front duct of FIG. 7;

FIG. 9 is a schematic view illustrating another angle of the front duct of FIG. 7;

FIG. 10 is a schematic diagram of the rear duct of FIG. 1;

FIG. 11 is a schematic view illustrating another angle of the rear duct of FIG. 10;

fig. 12 is a schematic view showing the structure of the exterior trim in fig. 1;

fig. 13 is a schematic view showing another angle of the exterior trim in fig. 12.

Wherein the figures include the following reference numerals:

10. a body portion; 11. an interior trim piece; 111. a second adhesive surface; 112. a first snap groove; 113. a second buckle; 12. an exterior trim; 121. a fourth rubberized surface; 122. a second snap-fit groove; 13. a front air duct; 131. a rib is protruded; 132. a first adhesive surface; 133. a third rubberized surface; 14. a rear air duct; 141. a groove; 142. a first buckle; 15. a via hole; 16. mounting holes; 20. a grid structure; 21. grid bars; 30. a seat body portion.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless specified to the contrary, use of the terms of orientation such as "upper, lower, top, bottom" or the like, generally refer to the orientation as shown in the drawings, or to the component itself in a vertical, perpendicular, or gravitational orientation; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

The invention provides a bladeless fan air outlet structure and a bladeless fan, aiming at solving the problems of poor air outlet effect and high noise of the bladeless fan in the prior art.

As shown in fig. 1 to 13, the bladeless fan air outlet structure includes a main body 10 and a grille structure 20, the main body 10 has an air duct and an air outlet communicated with the air duct; the grid structure 20 is disposed at the air outlet, and the grid structure 20 is located outside the air outlet.

Through setting up grid structure 20 in the outside of air outlet, make grid structure 20 play the effect of air guide, the condition emergence of the skew appears in the wind of having avoided air outlet exhaust, be favorable to realizing the air-out effect of straight-blow, the condition emergence that can prevent high-speed rotatory wind from circling round in the wind channel and forming the vortex simultaneously, can not make the air current block up in the wind channel, effectively reduced wind pressure and the structural resistance in the wind channel, make air-out more smooth and easy, the possibility that the noise of returning the chamber produced has been reduced. Moreover, the arrangement can effectively reduce the wind loss in the process of the upstream air flow to the downstream air flow in the air duct, increase the air outlet amount, improve the air outlet efficiency, ensure the air outlet effect to be more uniform, improve the performance of the bladeless fan and ensure the use effect of a user. In addition, the bladeless fan air-out structure of this application has the advantage of simple structure, easy assembly, has improved the production efficiency of bladeless fan air-out structure greatly, and then improves the production efficiency of bladeless fan.

It should be noted that, the air outlet is long, which means that the air outlet is a slit-shaped air outlet with a length, rather than indicating the overall shape of the air outlet.

Specifically, the grills 21 of the grille structure 20 extend outward of the outlet. The arrangement is favorable for ensuring the air guide effect of the grid structure 20, and meanwhile, the grid bars 21 can not shield the air outlet path, so that the loss of air quantity is avoided, the air outlet is smoother, and the air outlet efficiency is ensured.

Specifically, the grid structure 20 has a plurality of grids 21, and the plurality of grids 21 are arranged at intervals along the length direction of the elongated air outlet. The arrangement enables the plurality of grid bars 21 to be separately arranged, each grid bar 21 can independently work, mutual interference between two adjacent grid bars 21 in the plurality of grid bars 21 is avoided, and the working stability of the grid structure 20 is ensured.

Specifically, the intervals between any two adjacent grid bars 21 are equal. The interval between any two adjacent grid bars 21 is reasonably planned, so that the consistency and uniformity of arrangement of a plurality of grids are guaranteed, and the uniform air outlet effect is realized.

As shown in fig. 9, the grills 21 are arranged perpendicular to the air outlet. Set up like this and make grid 21 can adjust the air-out direction of air outlet department, make the air-out direction of grid 21 department the same with the extending direction of grid 21, the possibility of skew has appeared in the wind that has reduced the air outlet exhaust, be favorable to realizing the air-out effect of directly blowing, grid 21 can not lead to the fact the air outlet to shelter from simultaneously, the risk of the high-speed rotatory wind formation vortex of circling round in the wind channel has been avoided, and then can not make the air current block up in the wind channel, effectively reduce the wind pressure in the wind channel, be favorable to realizing stably, even air-out effect, effectively prevent the production of non return cavity noise, use satisfaction with improvement user.

Specifically, the width of the grill 21 is gradually reduced in a direction away from the body portion 10. Because the wind pressure of the grid 21 close to one end of the body part 10 is greater than the wind pressure of the grid 21 far away from one end of the body part 10, the width of one side of the grid 21 close to the body part 10 is larger, the improvement of the wind guiding efficiency of the grid 21 is facilitated, meanwhile, the structure of the grid 21 is planned, and the structural rationality and the use reliability of the grid 21 are improved.

As shown in fig. 9, the grill 21 has a trapezoidal shape. The arrangement makes the grid 21 easy to manufacture, and reduces the processing difficulty of the grid 21. Of course, different shapes of the grid bars 21 can be provided according to the specific situation.

Specifically, the width of the overhanging end of the grate bar 21 is smaller than the width of the root of the grate bar 21. The arrangement makes the width of one side of the grid bars 21 close to the body part 10 larger, which is beneficial to increasing the air output at the connecting position of the air outlet and the grid bars 21, avoids the loss of the air output and ensures the air output efficiency.

Specifically, the grill structure 20 is integrally injection-molded with the body portion 10. Set up like this and make grid structure 20 and this body portion 10 be connected fixedly through the mode of integrative moulding plastics, avoid grid structure 20 to rock or take place with the condition that this body portion 10 breaks away from in the course of the work, improved grid structure 20's job stabilization nature, guaranteed the assembly strength of grid structure 20 with this body portion 10 simultaneously, guaranteed the assembly stability of grid structure 20 with this body portion 10.

Of course, in order to improve the air outlet effect, the positions of at least some of the grills 21 along the length direction of the long-strip-shaped air outlet may also be adjusted to adjust the distance between two adjacent grills 21. The interval between two adjacent bars 21 of accessible adjustment like this to make grid structure 20 can cooperate the wind pressure of adjusting bladeless fan air outlet department, so that can match each other between grid structure 20 and the bladeless fan, with the maximum utilization ratio of guaranteeing grid structure 20, enlarged grid structure 20's application scope simultaneously, improved grid structure 20's commonality.

As shown in fig. 2, the body portion 10 includes an inner decoration 11 and an outer decoration 12, and the inner decoration 11 and the outer decoration 12 are assembled to form a mounting cavity therebetween; the wind channel includes preceding wind channel 13 and back wind channel 14, and preceding wind channel 13 is installed in the installation cavity after connecting with back wind channel 14, and one side that preceding wind channel 13 deviates from back wind channel 14 has the air outlet, and grid structure 20 sets up the outside in preceding wind channel 13. The arrangement enables the installation cavity to provide installation positions for the front air duct 13 and the rear air duct 14, enables the front air duct 13 and the rear air duct 14 to be stably installed in the installation cavity, and improves the use reliability of the front air duct 13 and the rear air duct 14. Meanwhile, the inner decoration member 11 and the outer decoration member 12 can play a role of decoration, and the front air duct 13 and the rear air duct 14 are not exposed outside, so that the front air duct 13 and the rear air duct 14 are protected, external dust or dirt is prevented from entering the installation cavity, the external dust or dirt is prevented from influencing the stable operation of the front air duct 13 and the rear air duct 14, and the working stability of the front air duct 13 and the rear air duct 14 is ensured while the cleanness in the installation cavity is ensured.

Specifically, the front duct 13 and the rear duct 14 are engaged. The arrangement enables the front air duct 13 and the rear air duct 14 to be fixedly connected through clamping, the situation that the front air duct 13 is separated from the rear air duct 14 in the working process can be effectively prevented, the connection strength of the front air duct 13 and the rear air duct 14 is guaranteed, and the connection stability of the front air duct 13 and the rear air duct 14 is guaranteed.

As shown in fig. 8 and 10, at least one rib 131 is disposed on the front air duct 13, a groove 141 matched with the rib 131 is disposed on the rear air duct 14, and the rib 131 is embedded in the groove 141, so that the front air duct 13 and the rear air duct 14 are clamped and fixed. The arrangement makes the front air duct 13 and the rear air duct 14 easy to install, reduces the installation difficulty of the front air duct 13 and the rear air duct 14, is favorable for improving the assembly efficiency, and further improves the production efficiency. Meanwhile, the convex ribs 131 are embedded into the grooves 141, so that the front air duct 13 and the rear air duct 14 are clamped and fixed, and the clamping strength of the front air duct 13 and the rear air duct 14 is guaranteed.

Specifically, the connection between the rib 131 and the groove 141 is fixed by ultrasonic welding. Set up like this and make the joint strength through ultrasonic bonding's mode further strengthened protruding muscle 131 and recess 141, avoid in the course of the work preceding wind channel 13 and back wind channel 14 to take place to rock each other, strengthened protruding muscle 131 and recess 141's stability of being connected greatly, guaranteed preceding wind channel 13 and back wind channel 14 department and the position relation who corresponds, and then guaranteed preceding wind channel 13 and back wind channel 14 can the steady operation.

As shown in fig. 6, 7 and 12, the front air duct 13 has a first adhesive surface 132, the inner decoration 11 has a second adhesive surface 111, and the first adhesive surface 132 is bonded to the second adhesive surface 111. Set up like this and make first rubberizing face 132 can closely laminate with second rubberizing face 111 to guarantee first rubberizing face 132 and second rubberizing face 111's the tightness of being connected, and then guarantee preceding wind channel 13 and interior decoration 11's joint strength, be favorable to guaranteeing interior decoration 11 and preceding wind channel 13's connection stability.

Specifically, the front air duct 13 has a third adhesive surface 133, the outer decoration 12 has a fourth adhesive surface 121, and the third adhesive surface 133 is bonded to the fourth adhesive surface 121. Set up like this and make third rubberizing face 133 can closely laminate with fourth rubberizing face 121 to guarantee third rubberizing face 133 and fourth rubberizing face 121's connection compactness, and then guarantee preceding wind channel 13 and the joint strength of outer gadget 12, be favorable to guaranteeing the connection stability of outer gadget 12 and preceding wind channel 13.

It should be noted that 3M glue is disposed on both the first gluing surface 132 and the third gluing surface 133, the first gluing surface 132 is adhered to the second gluing surface 111 through the 3M glue, and the third gluing surface 133 is adhered to the fourth gluing surface 121 through the 3M glue.

In addition, because the 3M glue has the advantages of strong adhesive force and strong bonding strength, the front air duct 13 is fixedly bonded with the inner decoration piece 11 and the outer decoration piece 12 through the 3M glue, the risk that the front air duct 13 shakes or is separated from the inner decoration piece 11 and the outer decoration piece 12 is avoided, the stable assembly of the front air duct 13 in the installation cavity is favorably ensured, the assembly stability of the front air duct 13 with the inner decoration piece 11 and the outer decoration piece 12 is enhanced, and the stable operation of the front air duct 13 is ensured.

As shown in fig. 6, 10 and 12, the rear duct 14 is engaged with the interior trim 11. Specifically, the rear air duct 14 has a first buckle 142, the inner decoration 11 has a first buckle slot 112, and the first buckle 142 is buckled with the first buckle slot 112. This arrangement ensures the locking strength of the rear duct 14 to the interior member 11, prevents the rear duct 14 from moving relative to the interior member 11 during operation, and ensures the locking stability of the rear duct 14 to the interior member 11. The outer garnish 12 is engaged with the inner garnish 11. Specifically, the inner decoration 11 has a second latch 113, the outer decoration 12 has a second latch groove 122, and the second latch 113 is latched to the second latch groove 122. The arrangement ensures that the outer decoration 12 and the inner decoration 11 are fixedly connected through clamping, the outer decoration 12 and the inner decoration 11 can be stably clamped, and the use reliability of the mounting cavity is ensured. Meanwhile, the arrangement ensures that the outer decoration 12 and the inner decoration 11 are easy to detach, reduces the difficulty of installation and detachment, is convenient for disassembly and maintenance of the bladeless fan, is convenient for replacement and maintenance of parts in the installation cavity, and saves the cost.

Specifically, the bladeless fan air outlet structure further comprises at least one fastener, and the fastener is screwed to the inner decoration member 11 through the rear air duct 14. It should be noted that the fasteners are screws, the rear air duct 14 and the interior decoration 11 are provided with one-to-one corresponding through holes 15, and a plurality of screws sequentially pass through the corresponding through holes 15 of the rear air duct 14 and the interior decoration 11, so that the rear air duct 14 and the interior decoration 11 are fastened by screwing the screws. In addition, the rear air duct 14 and the inner decoration 11 include two fixing structures, namely, the first buckle 142 is engaged with the first buckle slot 112, and the fastener is engaged with the through hole 15, so that the assembling stability of the rear air duct 14 and the inner decoration 11 is greatly improved.

Specifically, another fastener is screwed to the interior trim 11 through the front duct 13. The front duct 13 and the interior 11 are provided with one-to-one corresponding mounting holes 16, and a plurality of screws are sequentially inserted through the corresponding mounting holes 16 of the front duct 13 and the interior 11 to fasten the front duct 13 and the interior 11 by screwing the screws. In addition, the front air duct 13 and the interior decoration 11 include two fixing structures, namely, the first adhesive surface 132 and the second adhesive surface 111 are adhered and fixed, and the fastening member is engaged with the mounting hole 16, so that the assembling stability of the front air duct 13 and the interior decoration 11 is greatly improved through the two fixing structures.

As shown in fig. 1, the bladeless fan includes the above-mentioned bladeless fan air outlet structure. The bladeless fan with the bladeless fan air outlet structure has the advantages of large air outlet quantity, uniform air outlet and low noise.

TABLE 1

According to the bladeless fan, compared with a traditional bladeless fan, the bladeless fan has the advantages that the air outlet air quantity is increased, the air outlet efficiency is improved, the inclined air outlet condition of the traditional bladeless fan is improved, the directly-blown air outlet effect is achieved, the air outlet is smooth and uniform, the cavity returning noise is reduced, and the user experience is improved.

As shown in fig. 1, the bladeless fan further includes a base portion 30, the base portion 30 is disposed below the main portion 10 and connected to the main portion 10, and the base portion 30 has an air inlet communicated with the main portion 10.

It is to be understood that the above-described embodiments are only a few, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a bladeless fan air-out structure which characterized in that includes:

a body portion (10), the body portion (10) having an air duct and an air outlet communicating with the air duct;

the air outlet is provided with an air outlet, the grille structure (20) is arranged at the air outlet, and the grille structure (20) is positioned on the outer side of the air outlet.

2. The bladeless fan outlet structure according to claim 1, wherein the grillwork (20) has grillwork bars (21) protruding outward of the outlet.

3. The bladeless fan air outlet structure of claim 1, wherein the number of the grilles (21) of the grille structure (20) is plural, and the plural grilles (21) are arranged at intervals along the length direction of the air outlet.

4. The bladeless fan air outlet structure of claim 3, wherein the intervals between any two adjacent grid bars (21) are equal.

5. The bladeless fan air outlet structure of claim 3, wherein the position of at least a part of the grid bars (21) along the length direction of the air outlet is adjustable to adjust the distance between two adjacent grid bars (21).

6. The bladeless fan air outlet structure of claim 2, wherein the grid bars (21) are arranged perpendicular to the air outlet.

7. The bladeless fan outlet structure of claim 2, wherein the width of the grid bars (21) is gradually reduced in a direction away from the main body (10).

8. The bladeless fan air outlet structure of claim 7, wherein the grid bars (21) are in a trapezoidal shape.

9. The bladeless fan air outlet structure of claim 2, wherein the width of the overhanging end of the grid bar (21) is smaller than the width of the root of the grid bar (21).

10. The bladeless fan outlet structure according to claim 1, wherein the grille structure (20) is integrally injection-molded with the main body portion (10).

11. The bladeless fan outlet structure according to any one of claims 1 to 10, wherein the body portion (10) comprises an inner decoration (11) and an outer decoration (12), and the inner decoration (11) and the outer decoration (12) are assembled to form a mounting cavity therebetween;

the wind channel includes preceding wind channel (13) and back wind channel (14), preceding wind channel (13) with install after back wind channel (14) are connected the installation intracavity, preceding wind channel (13) deviate from one side of back wind channel (14) has the air outlet, grid structure (20) set up the outside of preceding wind channel (13).

12. The bladeless fan air outlet structure of claim 11, wherein the front air duct (13) and the rear air duct (14) are clamped.

13. The bladeless fan air outlet structure of claim 12, wherein at least one rib (131) is disposed on the front air duct (13), a groove (141) matched with the rib (131) is disposed on the rear air duct (14), and the rib (131) is embedded in the groove (141) to clamp and fix the front air duct (13) and the rear air duct (14).

14. The bladeless fan outlet structure of claim 11,

the front air duct (13) is provided with a first adhesive surface (132), the inner decoration (11) is provided with a second adhesive surface (111), and the first adhesive surface (132) is bonded with the second adhesive surface (111); and/or

The front air duct (13) is provided with a third adhesive surface (133), the outer decoration (12) is provided with a fourth adhesive surface (121), and the third adhesive surface (133) is bonded with the fourth adhesive surface (121).

15. The bladeless fan outlet structure of claim 11,

the rear air duct (14) is clamped with the inner decorating part (11); and/or

The outer decoration (12) is clamped with the inner decoration (11).

16. The bladeless fan outlet structure of claim 15,

the rear air duct (14) is provided with a first buckle (142), the inner decoration piece (11) is provided with a first buckle groove (112), and the first buckle (142) is clamped with the first buckle groove (112); and/or

The inner decoration piece (11) is provided with a second buckle (113), the outer decoration piece (12) is provided with a second buckle groove (122), and the second buckle (113) is clamped with the second buckle groove (122).

17. The bladeless fan outlet structure of claim 11, further comprising at least one fastener,

one of the fasteners is screwed to the inner decoration (11) through the rear air duct (14); and/or

The other fastener penetrates through the front air duct (13) and is screwed to the inner decoration piece (11).

18. A bladeless fan comprising the bladeless fan outlet structure defined in any one of claims 1-17.