A bladeless fan

Abstract

The present invention relates to a bladeless fan, comprising a blowing component with an air outlet provided thereon; an air guide portion arranged inside the blowing component; and an adjusting component for driving the air guide portion to move so that the air guide portion can move relative to the air outlet; wherein the air guide portion is provided with a plurality of air guide fins along its own extension direction, and the air guide fins can abut against the air outlet to form a plurality of air chambers at the air outlet, and the air guide fins are disconnected from the air outlet when driven by the adjusting component. The present invention also provides another bladeless fan. It is convenient to realize two states at the air outlet position: a guide vane structure and a no guide vane structure, providing users with different air outlet modes.

Description

Technical Field

[0001] The present invention relates to the field of household fans, and in particular to a bladeless fan. Background Art

[0002] At present, the guide vane structure in the common bladeless fan is fixed at the air outlet position. Although the guide vane structure can refine the airflow, making the airflow discharged from the air outlet smoother and making the airflow blown out by the bladeless fan more comfortable, when the airflow generated in the bladeless fan passes through the guide vane structure, the contact between the airflow and the guide vane structure inevitably causes airflow loss, reducing the wind speed at the air outlet. At the same time, when the high-speed airflow passes through the guide vane structure, the noise generated increases due to the influence of the viscous friction of air molecules. The existing bladeless fan has a single air outlet mode and is difficult to meet the different needs of users. There is an urgent need for a bladeless fan with switchable modes to meet the switching between the two modes of guide vane structure and no guide vane structure. Summary of the Invention

[0003] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a bladeless fan, which can realize two states of a guide blade structure and a no guide blade structure at the air outlet through switching, so as to provide users with different air outlet modes.

[0004] The technical solution of the present invention is summarized as follows:

[0005] The present invention provides a bladeless fan, comprising:

[0006] An air blowing component is provided with an air outlet;

[0007] an air guide portion, which is disposed in the air blowing component; and

[0008] an adjusting component for driving the air guide portion to move so that the air guide portion can move relative to the air outlet;

[0009] Among them, the air guide portion is provided with a plurality of fan fins along its extension direction, and the fan fins can abut against the air outlet to form a plurality of air chambers at the air outlet; under the drive of the adjustment component, the fan fins are disconnected from the air outlet.

[0010] Preferably, the blowing component is internally provided with a fixed connecting plate, the fixed connecting plate is fixed at a position close to the air outlet, and the air guide portion moves relative to the fixed connecting plate.

[0011] Preferably, the adjustment component includes a linear drive; the adjustment component drives the air guide portion to reciprocate along the air outlet direction.

[0012] Preferably, a connecting rod is installed between the power output end of the linear drive and the air guide part. The power output end of the linear drive moves in a direction perpendicular to the air outlet direction. The air guide part is driven by the connecting rod and the movement direction is limited by the fixed connecting plate, so that the air guide part moves along the air outlet direction.

[0013] Preferably, a wedge block is installed on the connecting rod, and a guide block protruding outward is provided on the air guide portion, and the guide block slides along the inclined surface on the wedge block, thereby causing the air guide portion to move along the air outlet direction.

[0014] Preferably, an elastic member is provided between the air guide portion and the fixed connecting plate, and the elastic member is used to apply a force to the air guide portion so that the guide block is pressed against the wedge block.

[0015] In view of the shortcomings of the prior art, the present invention also relates to another bladeless fan, comprising:

[0016] a blowing member having at least two air outlets; and

[0017] An air outlet system is provided at the air inlet at one end of the blowing component, which is used to form an air flow in the blowing component;

[0018] Among them, one of the air outlets is provided with fan guide fins, and the air outlet is divided into several air chambers by the fan guide fins. The blowing component is equipped with a wind shield block and an adjustment component for driving the wind shield block. The wind shield block is used to block part of the air outlet; the wind shield block is driven to move by the adjustment component, so that the airflow is switched to be pressed out from different air outlets.

[0019] Preferably, the blowing component comprises an outer shell and a base, and the base is provided with a penetrating hollow portion;

[0020] The outer shell is arranged outside the base body, and a first annular air outlet is formed between the outer shell and the hollow part. A second air outlet is opened on the inner wall of the hollow part of the base body.

[0021] Preferably, the adjustment assembly includes a linear drive, and the linear drive drives the wind shield block to reciprocate along the air outlet direction of the first air outlet.

[0022] Preferably, the adjustment assembly is mounted on the other end of the blowing member away from the air inlet;

[0023] A fixed connecting plate is also installed in the blowing component, and the fixed connecting plate is used to limit the moving direction of the wind shield block. The adjusting component drives the wind shield block to move under the limitation of the fixed connecting plate.

[0024] Preferably, the fixed connecting plate is covered with a cover shell, so that a movement channel of the windshield block is formed between the fixed connecting plate and the cover shell;

[0025] The cover shell is provided with an air outlet, and the air outlet corresponds to the second air outlet, so that the air flow is discharged from the second air outlet through the air outlet.

[0026] Preferably, a connecting rod is installed between the power output end of the linear drive and the wind shield block, and the power output end of the linear drive moves in a direction perpendicular to the air outlet direction of the first air outlet. The wind shield block is driven by the connecting rod and the movement direction is limited by the fixed connecting plate, so that the wind shield block moves along the air outlet direction of the first air outlet.

[0027] Preferably, a limiting hole is provided on the connecting rod, the extending direction of the limiting hole is inclined to the air outlet direction of the first air outlet, and a guide column is provided on the wind shield block; the guide column extends into the limiting hole;

[0028] When the linear driver drives the connecting rod to move in a direction perpendicular to the first air outlet, the wind shield moves along the air outlet direction of the first air outlet.

[0029] Preferably, the base is annular, the outer shell is disposed outside the base, and the outer shell includes a first shell and a second shell; the first shell and the second shell are connected to form a cylindrical outer shell main body structure.

[0030] Preferably, the power transmission end of the adjustment component is further connected to a windshield block, and under the drive of the adjustment component, the windshield block and the wind guide portion move relative to each other.

[0031] Compared with the prior art, the present invention has the following beneficial effects:

[0032] The present invention provides a bladeless fan, which drives the air guide part away from the air outlet through an adjustment module, switches the bladeless fan to another mode, so that the airflow is discharged directly from the air outlet, avoids the reduction of wind speed, and reduces noise at the same time; another bladeless fan utilizes the two air outlets on the bladeless fan to achieve different air outlet modes, and the adjustment module drives the wind shield block to block any air outlet through the wind shield block, and presses the airflow out from the other outlet, thereby facilitating the switching of the air outlet mode.

[0033] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the description, the following preferred embodiments of the present invention are described in detail with reference to the accompanying drawings. The specific implementation methods of the present invention are given in detail by the following embodiments and the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0035] Figure 1 Schematic diagram of the general overall structure of the bladeless fan of the present invention;

[0036] Figure 2 Schematic diagram of the general overall structure of the air blowing component in the bladeless fan of the present invention;

[0037] Figure 3 It is a partial structural schematic diagram of the inner blowing component of the bladeless fan of the present invention;

[0038] Figure 4 for Figure 3 A partial enlarged schematic diagram;

[0039] Figure 5 Schematic diagram of the exploded structure of the air blowing component in the bladeless fan of the present invention;

[0040] Figure 6 A partial cross-sectional view of the inner blowing component of the bladeless fan of the present invention;

[0041] Figure 7 Schematic diagram of the airflow in the front air outlet mode of the air blowing component of the bladeless fan of the present invention;

[0042] Figure 8 Schematic diagram of the airflow in the rear air outlet mode of the air blowing component in the bladeless fan of the present invention.

[0043] Description of reference numerals:

[0044] 100-air outlet system; 200-blowing component; 210-outer shell; 211-first shell; 212-second shell; 220-base; 221-air inlet; 222-annular extension; 223-hollow portion; 224-connecting column; 230-first air outlet; 240-second air outlet; 250-adjusting component; 251-driving part; 252-connecting rod; 2521-limiting hole; 2522-wedge block; 261-cover; 2611-air outlet opening; 2612-guide groove; 262-air guide part; 2621-guide block; 2622-fan guide blades; 263-wind shield; 2631-guide column; 264-fixed connecting plate; 2641-limiting block. DETAILED DESCRIPTION

[0045] The present invention will be described in further detail below in conjunction with the accompanying drawings. The above-mentioned and other purposes, features, aspects and advantages of the present invention will become more apparent so that those skilled in the art can implement them with reference to the text of the specification. In the accompanying drawings, for the sake of clarity, shapes and sizes may be exaggerated, and the same reference numerals will be used in all figures to indicate the same or similar parts. In the following description, words such as center, thickness, height, length, front, back, rear, left, right, top, bottom, top, bottom, etc. are based on the orientation or positional relationship shown in the accompanying drawings. In particular, "height" is equivalent to the size from top to bottom, "width" is equivalent to the size from left to right, and "depth" is equivalent to the size from front to back. These relative terms are for the sake of convenience of explanation and are generally not intended to require a specific orientation. Terms related to attachment, connection, etc. (e.g., "connection" and "attachment") refer to the relationship between these structures that are directly or indirectly fixed or attached to each other through an intermediate structure, as well as movable or rigid attachment or relationship, unless otherwise explicitly stated.

[0046] Next, the present invention will be further described in conjunction with the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments. It should be understood that the terms "having," "including," and "comprising" used herein do not imply the presence or addition of one or more other elements or combinations thereof.

[0047] like Figure 1 and 2 As shown, the present invention provides a bladeless fan, comprising: an air outlet system 100 and a blowing component 200, wherein the blowing component 200 comprises an outer shell 210 and a base 220, and a hollow portion 223 is provided on the base 220, so that the base 220 has an annular structure;

[0048] The outer shell 210 is covered outside the base 220; specifically, the outer shell 210 includes a first shell 211 and a second shell 212, the first shell 211 and the second shell 212 are connected to form the cylindrical main structure of the outer shell 210; the outer shell 210 and the base 220 are connected to form the main structure of the blowing component 200, a cavity for air flow is formed between the outer shell 210 and the base 220, and the outer shell 210 and the base 220 are connected to form an opening formed at one end for serving as an air inlet 221, the air outlet system 100 is connected to one end of the air inlet 210 on the blowing component 200, and an air outlet is provided on the blowing component 200, so that the airflow generated by the air outlet system 100 and thus the air inlet 210 enters the cavity formed between the outer shell 210 and the base 220, and is discharged from the air outlet;

[0049] The air outlet system 100 has a built-in fan, and the air outlet is opened on the side wall of the blowing component 200, so that the airflow direction generated by the fan is perpendicular or approximately perpendicular to the direction of airflow discharge. Since the fan is arranged inside the bladeless fan, it is safer to use.

[0050] Furthermore, an annular first air outlet 230 is formed between the outer shell 210 and the hollow portion 223, and the air flow is discharged from the first air outlet 230. Specifically, the base 220 is provided with an outwardly protruding annular extension portion 222 along the outer side of the hollow portion 223, and a notch is provided on the outer shell 210 corresponding to the hollow portion 223, so that the outer shell 210 and the base 220 are matched, and the annular extension portion 222 is matched with the gap of the notch to form the first air outlet 230, so that the air flow can be discharged from the gap between the annular extension portion 222 and the notch.

[0051] The existing bladeless fan is provided with a guide vane structure at the air outlet position. The guide vane structure processes the airflow, so that the airflow blown out from the air outlet is smoother and softer. There is no traditional fan that uses blades to cut the air to push the airflow, which will produce a dramatic wind impact when blowing towards the human body, and it will feel unstable and uncomfortable. However, when the airflow of the current bladeless fan passes through the guide vane structure and blows out from the air outlet, the airflow is inevitably lost due to the guidance of the guide vane structure, thereby reducing the wind speed and increasing the noise. At present, the guide vane structure is fixedly connected to the air outlet position, making its air outlet mode single and difficult to meet different needs.

[0052] In specific embodiment 1:

[0053] The bladeless fan also includes an air guide portion 262 and an adjustment component 250 for driving the air guide portion 262 to move. The adjustment component 250 includes a driving portion 251 for driving the air guide portion 262 to move. The air guide portion 262 is arranged in the blowing component 200. Under the drive of the adjustment component 250, the air guide portion 262 can move relative to the first air outlet 230. Through the movable air guide portion 262, the bladeless fan can switch the air outlet mode. Compared with the first air outlet mode in which the airflow is guided by the air guide portion 262 and the second air outlet mode in which the airflow is not guided by the air guide portion 262, the second air outlet mode reduces the airflow loss and increases the wind speed relative to the first air outlet mode, so that when the two air outlet modes generate the same wind speed, the second air outlet mode consumes less electric energy. At the same time, the second air outlet mode has less noise than the first air outlet mode, so that users can switch between the two modes according to their needs, which is more humane.

[0054] Specifically, the air guide portion 262 is provided with a plurality of fan fins 2622 along its own extension direction. The fan fins 2622 can abut against the air outlet to form a plurality of air chambers at the air outlet. When driven by the adjustment component 250, the fan fins 2622 are disconnected from the air outlet.

[0055] Furthermore, the blowing component 200 is built with a fixed connecting plate 264, and the fixed connecting plate 264 is fixed at a position close to the air outlet. The air guide part 262 moves relative to the fixed connecting plate 264, and the air guide part 262 is padded by the fixed connecting plate 264, so that the air guide part 262 corresponds to the first air outlet 230.

[0056] In the second specific embodiment:

[0057] A solution further developed on the basis of the first specific embodiment;

[0058] The adjusting component 250 drives the air guide part 262 so that the fan blades 2622 perform reciprocating linear motion along the air outlet direction. Preferably, the adjusting component 250 includes a linear driver. It should be pointed out that in this specific embodiment, the technical solution of using a linear driver is only a specific implementation plan. The adjusting component 250 also selects other common drivers to realize the linear motion of the air guide part 262.

[0059] The blowing member 200 further includes a built-in cover 261 , wherein the fixed connecting plate 264 and the cover 261 are connected to form a channel for the air guide portion 262 to move therebetween;

[0060] The cover 261 is provided with a guide slot 2612 extending along the air outlet direction. The fan guide fins 2622 pass through the guide slot 2612 . The adjustment assembly 250 drives the air guide portion 262 to move in a direction limited by the guide slot 2612 .

[0061] Furthermore, the adjustment assembly 250 is installed on the other end of the blowing member 200 away from the air inlet 221. A connecting rod 252 is installed between the power output end of the linear actuator and the air guide portion 262. The power output end of the linear actuator moves perpendicular to the air outlet direction. The connecting rod 252 drives the air guide portion 262 while the movement direction is limited by the fixed connecting plate 264, so that the air guide portion 262 moves in the air outlet direction.

[0062] In specific embodiment three:

[0063] Another solution further developed on the basis of the second specific embodiment;

[0064] A wedge block 2522 is installed on the connecting rod 252 , and a guide block 2621 protruding outward is provided on the air guide portion 262 . The guide block 2621 slides along the inclined surface of the wedge block 2522 , thereby moving the air guide portion 262 along the air outlet direction.

[0065] An elastic member is provided between the air guide portion 262 and the fixed connecting plate 264 . The elastic member is used to apply a force to the air guide portion 262 so that the guide block 2621 is pressed against the wedge block 2522 .

[0066] The connecting rod 252 drives the air guide part 262, thereby adjusting the power output direction of the linear driver so that the direction in which the linear driver drives the connecting rod 252 to move is perpendicular to the direction in which the air guide part 262 moves, thereby rationally utilizing the space inside the bladeless fan and making the structure of the entire device more compact.

[0067] In the fourth specific embodiment:

[0068] Another solution further formed on the basis of the specific embodiment 1;

[0069] The adjustment component 250 drives the air guide part 262 to rotate, and a clearance opening is provided on the fixed connecting plate 264 at a position corresponding to the air guide fins 2622. Driven by the adjustment component 250, the air guide part 262 rotates so that the air guide fins 2622 extend into the clearance opening until the air guide fins 2622 are flush with the surface of the fixed connecting plate 264, and the air guide fins 2622 retract into the fixed connecting plate 264 to switch the air outlet mode.

[0070] In specific embodiment five:

[0071] The bladeless fan includes at least two air outlets; the blowing member 200 is equipped with a windshield block 263 and an adjustment component 250 for driving the windshield block 263. The adjustment component 250 drives the windshield block 263 to block part of the air outlet, thereby opening the air outlet that was originally blocked by the windshield block 263, so that the air flow switches and flows out from the rear open air outlet;

[0072] Specifically, the bladeless fan includes two air outlets, and a second air outlet 240 is opened on the inner wall of the hollow portion 223 of the base 220;

[0073] Among them, a fan fin 2622 is arranged at one of the air outlets, and the air outlet is divided into several air chambers by the fan fin 2622. Under the drive of the adjustment component 250, the wind shield block 263 moves to block any air outlet, so that the air flow is pressed out from the other air outlet.

[0074] The adjustment assembly 250 includes a linear driver, which drives the wind shield 263 to reciprocate along the air outlet direction of the first air outlet 230 .

[0075] The adjustment assembly 250 is installed on the other end of the blowing member 200 away from the air inlet 221;

[0076] A fixed connecting plate 264 is further installed in the blowing component 200 . The fixed connecting plate 264 is used to limit the moving direction of the wind shield 263 . The adjusting assembly 250 drives the wind shield 263 to move under the limitation of the fixed connecting plate 264 .

[0077] A cover 261 is provided on the fixed connecting plate 264 so that a movement channel of the windshield block 263 is formed between the fixed connecting plate 264 and the cover 261;

[0078] The housing 261 is provided with an air outlet 2611 , and the air outlet 2611 corresponds to the second air outlet 240 , so that airflow is discharged from the second air outlet 240 through the air outlet 2611 .

[0079] A connecting rod 252 is installed between the power output end of the linear drive and the wind shield block 263. The power output end of the linear drive moves in a direction perpendicular to the air outlet direction of the first air outlet 230. The wind shield block 263 is driven by the connecting rod 252 and is limited in movement direction by the fixed connecting plate 264, so that the wind shield block 263 moves along the air outlet direction of the first air outlet 230.

[0080] Both ends of the connecting rod 252 are hinged to the power output end of the linear drive and the windshield block 263 .

[0081] The connecting rod 252 defines a limiting hole 2521 , the extending direction of which is inclined to the air outlet direction of the first air outlet 230 . The wind shield 263 is provided with a guide post 2631 ; the guide post 2631 extends into the limiting hole 2521 .

[0082] When the linear driver drives the connecting rod 252 to move in a direction perpendicular to the first air outlet 230 , the wind shield 263 moves along the air outlet direction of the first air outlet 230 .

[0083] In the specific embodiment six:

[0084] A preferred solution is formed based on the specific embodiment 3 and the specific implementation 5;

[0085] Driven by the adjustment assembly 250, the windshield 263 and the wind guide 262 move relative to each other. The adjustment assembly 250 is internally provided with a driving unit 251. The power output end of the driving unit 251 is connected to a connecting rod 252. The connecting rod 252 is provided with the limiting hole 2521 connected to the windshield 263. Specifically, the windshield 263 is provided with a guide column 2631, and the guide column 2631 extends into the limiting hole 2521.

[0086] The windshield block 263 is further provided with a guide hole extending in the air outlet direction of the first air outlet 230. The fixed connecting plate 264 is provided with a limit block 2641 extending into the guide hole. Through the guide hole and the limit hole 2521, when the connecting rod 252 moves, the windshield block 263 is driven to move.

[0087] At the same time, a wedge block 2522 is provided on the side of the connecting rod 252. The wedge block 2522 is in contact with the guide block 2621 provided on the air guide portion 262. When the connecting rod 252 moves, the air guide portion 262 is driven to move. Thus, when the connecting rod 252 moves, the wind shield block 263 and the air guide portion 262 are driven at the same time, and the wind shield block 263 and the air guide portion 262 move toward each other.

[0088] Specifically, the fixed connecting plate 264, the wind shield 263, the wind guide 262 and the cover 261 are stacked in order from bottom to top, and the wind guide 262 and the connecting rod 252 are arranged on the same plane of the wind shield 263;

[0089] The wind shield 263 and the wind guide 262 are driven to move by the adjustment component 250 to switch the air outlet mode, so that the bladeless fan can meet different air outlet needs, thereby being more humane and improving the user experience.

[0090] The various embodiments in this specification are described in a progressive manner. Similar parts between the various embodiments can be referred to in conjunction with each other. Each embodiment focuses on the differences between the other embodiments. In particular, the system embodiments are generally similar to the method embodiments, so the description is relatively simple. For relevant parts, refer to the description of the method embodiments.

Claims

1. A bladeless fan, characterized in that: include: An air blowing component (200) is provided with an air outlet; an air guide portion (262) disposed in the air blowing component (200); as well as an adjusting component (250) for driving the air guide portion (262) to move, so that the air guide portion (262) can move relative to the air outlet; The air guide portion (262) is provided with a plurality of air guide fins (2622) along its extension direction, and the air guide fins (2622) can abut against the air outlet, so as to form a plurality of air chambers at the air outlet; under the driving of the adjustment component (250), the air guide fins (2622) are disconnected from the air outlet; The adjustment assembly (250) includes a linear drive; A connecting rod (252) is installed between the power output end of the linear drive and the air guide portion (262); A wedge block (2522) is mounted on the connecting rod (252), and a guide block (2621) protruding outward is provided on the air guide portion (262), wherein the guide block (2621) slides along the inclined surface on the wedge block (2522), thereby causing the air guide portion (262) to move along the air outlet direction; The blowing component (200) comprises an outer shell (210) and a base (220); The base (220) is annular, and the outer shell (210) is arranged outside the base (220). The outer shell (210) includes a first shell (211) and a second shell (212); the first shell (211) and the second shell (212) are connected to form a cylindrical main structure of the outer shell (210).

2. The bladeless fan according to claim 1, wherein: The blowing component (200) is internally provided with a fixed connecting plate (264), the fixed connecting plate (264) being fixed at a position close to the air outlet, and the air guide portion (262) moves relative to the fixed connecting plate (264).

3. The bladeless fan according to claim 2, wherein: The regulating component (250) drives the air guide portion (262) to reciprocate along the air outlet direction.

4. The bladeless fan according to claim 3, wherein: The power output end of the linear drive moves perpendicularly to the air outlet direction, and the connecting rod (252) drives the air guide portion (262) while the movement direction is limited by the fixed connecting plate (264), so that the air guide portion (262) moves along the air outlet direction.

5. The bladeless fan according to claim 4, wherein: An elastic member is provided between the air guide portion (262) and the fixed connecting plate (264), and the elastic member is used to apply a force to the air guide portion (262) so that the guide block (2621) is pressed against the wedge block (2522).

6. The bladeless fan according to claim 2, wherein: The blowing component (200) is provided with at least two air outlets; and An air outlet system (100) is provided at the air inlet (221) at one end of the blowing component (200), which is used to form an air flow in the blowing component (200); Among them, a fan guide fin (2622) is arranged at one of the air outlets, and the air outlet is divided into a plurality of air chambers by the fan guide fin (2622). The blowing component (200) is equipped with a wind shield (263). The adjustment component (250) is also used to drive the wind shield (263), and the wind shield (263) is used to block part of the air outlet; the wind shield (263) is driven to move by the adjustment component (250), so that the air flow is switched to be pressed out from different air outlets.

7. The bladeless fan according to claim 6, wherein: The base (220) is provided with a penetrating hollow portion (223); The outer shell (210) forms an annular first air outlet (230) between the outer shell (210) and the hollow portion (223), and a second air outlet (240) is provided on the inner wall of the hollow portion (223) of the base (220).

8. The bladeless fan according to claim 7, wherein: The linear drive drives the wind shield (263) to reciprocate along the air outlet direction of the first air outlet (230).

9. The bladeless fan according to claim 8, wherein: The adjustment assembly (250) is mounted on the other end of the blowing member (200) away from the air inlet (221); The fixed connecting plate (264) is used to limit the moving direction of the wind shield (263), and the adjustment component (250) drives the wind shield (263) to move under the limitation of the fixed connecting plate (264).

10. The bladeless fan according to claim 9, wherein: A cover shell (261) is provided on the fixed connecting plate (264), so that a movement channel of the windshield block (263) is formed between the fixed connecting plate (264) and the cover shell (261); An air outlet opening (2611) is provided on the cover shell (261), and the air outlet opening (2611) corresponds to the second air outlet (240), so that airflow is discharged from the second air outlet (240) through the air outlet opening (2611).

11. The bladeless fan according to claim 10, wherein: The connecting rod (252) is further arranged between the power output end of the linear drive and the wind shield (263), and the power output end of the linear drive moves in a direction perpendicular to the air outlet direction of the first air outlet (230). The wind shield (263) is driven by the connecting rod (252) and is limited in its movement direction by the fixed connecting plate (264), so that the wind shield (263) moves in the air outlet direction of the first air outlet (230).

12. The bladeless fan according to claim 11, wherein: A limiting hole (2521) is provided on the connecting rod (252), and the extending direction of the limiting hole (2521) is inclined to the air outlet direction of the first air outlet (230). A guide column (2631) is provided on the wind shield (263); the guide column (2631) extends into the limiting hole (2521); When the linear driver drives the connecting rod (252) to move in a direction perpendicular to the first air outlet (230), the wind shield (263) moves along the air outlet direction of the first air outlet (230).

13. The bladeless fan according to any one of claims 6, wherein: Driven by the adjustment component (250), the wind shield (263) and the wind guide portion (262) move relative to each other.

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