Easy-clean fan

Abstract

The present application relates to the technical field of fan, provide a kind of easy-to-clean fan, comprising: seat, the protective cover with accommodating cavity, fan blade being arranged in the accommodating cavity, with the driving connection of the fan blade driver, rotation is arranged on the rotating platform of the seat;The protective cover has with the first air inlet of the accommodating cavity and with the first air outlet of the accommodating cavity;Rotating platform is provided with the receiving cavity for the one end of the protective cover or the whole insertion of the protective cover;Rotating platform is respectively provided with air inlet channel and air outlet channel;The air inlet channel is communicated with the first air inlet, and the air outlet channel is communicated with the first air outlet.That is, when user needs to clean protective cover and fan blade, only needs to take out protective cover from receiving cavity, it is very convenient;After cleaning protective cover and fan blade, it can be reinserted in receiving cavity.

Description

Technical Field

[0001] This invention belongs to the field of fan technology, and more specifically, relates to an easy-to-clean fan. Background Technology

[0002] In modern life, fans are frequently used. After a long time of operation, dust easily accumulates on the fan blades. Usually, the fan blades are covered with a mesh protective cover. Cleaning the protective cover or fan blades requires moving the entire fan, making it difficult to clean. Summary of the Invention

[0003] The purpose of this invention is to provide an easy-to-clean fan to solve the technical problem that the protective cover and fan blades are difficult to clean in the prior art.

[0004] To achieve the above objectives, the technical solution adopted by the present invention is as follows: An easy-to-clean fan is provided, comprising: a base, a protective cover having a receiving cavity, fan blades disposed within the receiving cavity, a driver drive connected to the fan blades, and a rotating platform rotatably disposed on the base; the protective cover has a first air inlet communicating with the receiving cavity and a first air outlet communicating with the receiving cavity; the rotating platform is provided with a storage cavity for inserting one end or the entire protective cover; the rotating platform is respectively provided with an air inlet channel and an air outlet channel; the air inlet channel communicates with the first air inlet, and the air outlet channel communicates with the first air outlet.

[0005] Furthermore, the storage cavity has a first inner wall and a second inner wall spaced apart, and the protective cover is sandwiched between the first inner wall and the second inner wall.

[0006] Furthermore, the protective cover includes a first cover and a second cover that are detachably connected; the first air inlet is opened on the first cover, the first air outlet is opened on the second cover, and the receiving cavity is formed between the first cover and the second cover; the first cover is sandwiched between the first inner wall and the second cover, and the second cover is sandwiched between the second inner wall and the first cover.

[0007] Further, the rotating platform includes a first support frame, a second support frame spaced apart from the first support frame, and a first connecting frame connecting the first support frame and the second support frame; a ventilation gap is formed between the first support frame and the second support frame, the ventilation gap communicating with the first air inlet and the first air outlet respectively; a first sliding groove is provided on the surface of the first support frame facing the second support frame, and a second sliding groove is provided on the surface of the second support frame facing the first support frame; the receiving cavity is formed between the inner walls of the first sliding groove and the inner walls of the second sliding groove; a first end of the first cover slides in the first sliding groove, and a second end of the first cover slides in the second sliding groove. The first end of the second cover is slidably disposed within the first slide groove, and the second end of the second cover is slidably disposed within the second slide groove; the opposite side walls of the first slide groove are the first inner wall and the second inner wall, respectively; the first end of the first cover is clamped between the first inner wall and the first end of the second cover, and the first end of the second cover is clamped between the second inner wall and the first end of the first cover; and / or the opposite side walls of the second slide groove are the third inner wall and the fourth inner wall, respectively; the second end of the first cover is clamped between the third inner wall and the second end of the second cover, and the second end of the second cover is clamped between the fourth inner wall and the second end of the first cover.

[0008] Furthermore, it also includes any one or more of the following: a first fixing structure for fixing the first cover and the second cover; a second fixing structure for fixing the first cover and the second cover; a third fixing structure for fixing the first cover and the second cover; a fourth fixing structure for fixing the first cover and the second cover; a fifth fixing structure for fixing the first cover and the second cover; and a sixth fixing structure for fixing the first cover and the second cover; the first fixing structure includes: a first protrusion disposed on the first cover and a first recess disposed on the second cover; the first protrusion is inserted into the first recess; the second fixing structure includes: a second protrusion disposed on the second cover and a second protrusion disposed on the first cover. The second recess on the body; the second protrusion is inserted into the second recess; the third fixing structure includes: a first hook on the first cover and a first slot on the second cover; the first hook is inserted into the first slot; the fourth fixing structure includes: a second hook on the second cover and a second slot on the first cover; the second hook is inserted into the second slot; the fifth fixing structure includes: a first magnet on the first cover and a second magnet on the second cover; the first magnet is attracted to the second magnet; the sixth fixing structure includes: a first hook on the first cover and a second hook on the second cover; the first hook is hooked onto the second hook.

[0009] Furthermore, it also includes any one or more of the following: a first ventilation structure, a second ventilation structure, a third ventilation structure, and a fourth ventilation structure; wherein, the first ventilation structure includes: a first notch formed at the edge of the receiving cavity and a second notch formed at the edge of the receiving cavity; the first notch communicates with the first air inlet; the second notch communicates with the first air outlet; the air inlet channel includes: the first notch; the air outlet channel includes: the second notch; the second ventilation structure includes: a second air inlet formed on one inner wall of the receiving cavity and a second air outlet formed on the other inner wall of the receiving cavity; the second air inlet communicates with the first air inlet, and the second air outlet communicates with the first air outlet. The first air outlet is connected; the air inlet channel includes: the second air inlet; the air outlet channel includes: the second air outlet; the third ventilation structure includes: a gap formed between the rotating platform and the base; the first air inlet is connected to the gap, and the first air outlet is connected to the gap; the air inlet channel includes: the gap; or the air outlet channel includes: the gap; the fourth ventilation structure includes: a first air duct disposed on the rotating platform and a second air duct disposed on the rotating platform; the first air duct is connected to the first air inlet, and the second air duct is connected to the first air outlet; the air inlet channel includes: the first air duct; the air outlet channel includes: the second air duct.

[0010] Furthermore, it also includes: a pivoting mechanism and a damping mechanism; the rotating platform is rotatably mounted on the base body via the pivoting mechanism about a predetermined axis; the pivoting mechanism includes: a first shaft and a second shaft; the first shaft and the second shaft are coaxially arranged, and the axes of the first shaft and the second shaft are respectively coincident with the predetermined axis; the first shaft is located at one end of the rotating platform, and the second shaft is located at the other end of the rotating platform; the base body includes: a third support frame, a fourth support frame spaced apart from the third support frame, and a second connecting frame connecting the third support frame and the fourth support frame; the rotating platform is located between the third support frame and the fourth support frame; the third support... The frame is provided with a first through hole, and the fourth support frame is provided with a second through hole; the first shaft is inserted into the first through hole; the second shaft is inserted into the second through hole; the damping mechanism includes any one or more of the following: a first damping structure, a second damping structure, a third damping structure, a fourth damping structure, a fifth damping structure, a sixth damping structure, a seventh damping structure, an eighth damping structure, a ninth damping structure, a tenth damping structure, an eleventh damping structure, and a twelfth damping structure; the first damping structure includes: the first shaft is interference-fitted into the first through hole, and the outer wall of the first shaft applies a first compressive force to the inner wall of the first through hole, the first compressive force being greater than zero; the second damping structure includes: The second shaft is interference-fitted into the second through hole, and the outer wall of the second shaft applies a second compressive force to the inner wall of the second through hole, the second compressive force being greater than zero; the third damping structure includes: a first buffer layer circumferentially disposed on the first shaft, the clamping force of the outer wall of the first shaft and the inner wall of the first through hole on the first buffer layer being a third compressive force, the third compressive force being greater than zero; the fourth damping structure includes: a second buffer layer circumferentially disposed on the second shaft, the clamping force of the outer wall of the second shaft and the inner wall of the second through hole on the second buffer layer being a fourth compressive force, the fourth compressive force being greater than zero; the fifth damping structure includes: disposed on the first shaft and abutting against the inner wall of the first through hole. The first protrusion; a fifth compressive force exists between the first protrusion and the inner wall of the first through hole, the fifth compressive force being greater than zero; the sixth damping structure includes: a second protrusion disposed on the second shaft and abutting against the inner wall of the second through hole; a sixth compressive force exists between the second protrusion and the inner wall of the second through hole, the sixth compressive force being greater than zero; the seventh damping structure includes: a third protrusion disposed on the inner wall of the first through hole and abutting against the outer wall of the first shaft; a seventh compressive force exists between the third protrusion and the outer wall of the first shaft, the seventh compressive force being greater than zero; the eighth damping structure includes: a fourth protrusion disposed on the inner wall of the second through hole and abutting against the outer wall of the second shaft;An eighth compressive force exists between the fourth protrusion and the outer wall of the second shaft, and the eighth compressive force is greater than zero; the ninth damping structure includes: a first tooth surrounding the first shaft and a second tooth surrounding the inner wall of the first through hole, the first tooth meshing with the second tooth, and a ninth compressive force exists between the first tooth and the second tooth, and the ninth compressive force is greater than zero; the tenth damping structure includes: a third tooth surrounding the second shaft and a fourth tooth surrounding the inner wall of the second through hole, the third tooth meshing with the fourth tooth, and a tenth compressive force exists between the third tooth and the fourth tooth, and the tenth compressive force is greater than zero; the eleventh damping structure includes: a first torsion spring connecting the first shaft and the rotating platform; the twelfth damping structure includes: a second torsion spring connecting the second shaft and the rotating platform.

[0011] Further, the first protrusion is any one of hemispherical, spherical, or a ridge extending along the first axis; the second protrusion is any one of hemispherical, spherical, or a ridge extending along the second axis; the third protrusion is any one of hemispherical, spherical, or a ridge extending along the first axis; and the fourth protrusion is any one of hemispherical, spherical, or a ridge extending along the second axis.

[0012] Further, the fixing method between the first shaft and the rotating platform can be any one of a first connection structure, a second connection structure, a third connection structure, and a fourth connection structure; the first connection structure includes: a first external thread provided on the first shaft and a first internal thread provided on the rotating platform, with the first external thread and the first internal thread threadedly connected; or the first connection structure includes: a second internal thread provided on the first shaft and a second external thread provided on the rotating platform, with the second internal thread and the second external thread thread threadedly connected; the second connection structure is: a first adhesive layer bonding the first shaft and the rotating platform; the third connection structure is: a first screw fixing the first shaft and the rotating platform; the fourth connection structure is: the first shaft and the rotating platform are one The second shaft and the rotating platform can be fixed by any one of a fifth connection structure, a sixth connection structure, a seventh connection structure, and an eighth connection structure; the fifth connection structure includes: a third external thread on the second shaft and a third internal thread on the rotating platform, wherein the third external thread and the third internal thread are threadedly connected; or the fifth connection structure includes: a fourth internal thread on the second shaft and a fourth external thread on the rotating platform, wherein the fourth internal thread and the fourth external thread are threadedly connected; the sixth connection structure is: a second adhesive layer for bonding the second shaft and the rotating platform; the seventh connection structure is: a second screw for fixing the second shaft and the rotating platform; the eighth connection structure is: the second shaft and the rotating platform are a single piece.

[0013] Further, the driver is a motor; the motor is fixed to the inner wall of the accommodating cavity; the motor is connected to any one of a first plug, a second plug, and a third plug; the first plug is a USB plug, a first mounting hole on the side wall of the accommodating cavity, a first cable connecting the first plug and the motor passes through the first mounting hole, and the first cable is sealed to the inner wall of the first mounting hole; the second plug is a DC plug, a second mounting hole on the side wall of the accommodating cavity, a second cable connecting the second plug and the motor passes through the second mounting hole, and the second cable is sealed to the inner wall of the second mounting hole; the third plug is an AC plug, a third mounting hole on the side wall of the accommodating cavity, a third cable connecting the third plug and the motor passes through the third mounting hole, and the third cable is sealed to the inner wall of the third mounting hole.

[0014] The beneficial effects of the easy-to-clean fan provided by this invention are as follows: Compared with the prior art, the easy-to-clean fan provided by this invention has fan blades set in a receiving cavity inside a protective cover, with the protective cover surrounding and protecting the fan blades; external airflow enters the receiving cavity through the first air inlet on the protective cover, and the airflow in the receiving cavity is discharged through the first air outlet on the protective cover, thereby forming a breeze blowing towards the user; the rotating platform is rotatably mounted on the base, and the rotating platform can easily adjust its orientation; the protective cover is mounted on the rotating platform, and changing the orientation of the rotating platform can change the orientation of the protective cover (and the fan blades inside the protective cover); the rotating platform has a storage cavity; one end of the protective cover is inserted into the storage cavity, or the entire protective cover is inserted into the storage cavity; that is, when the user needs to clean the protective cover and fan blades, they only need to remove the protective cover from the storage cavity, which is very convenient; after cleaning the protective cover and fan blades, the protective cover can be reinserted into the storage cavity. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 A three-dimensional schematic diagram of an easy-to-clean fan provided in an embodiment of the present invention;

[0017] Figure 2 A top view schematic diagram of an easy-to-clean fan provided in an embodiment of the present invention;

[0018] Figure 3 A top view of the protective cover provided in an embodiment of the present invention;

[0019] Figure 4 A front perspective view of the protective cover provided in an embodiment of the present invention;

[0020] Figure 5 A three-dimensional view of the back of the protective cover provided in an embodiment of the present invention;

[0021] Figure 6 This is a three-dimensional schematic diagram of the base provided in an embodiment of the present invention;

[0022] Figure 7 This is a top view of the seat provided in an embodiment of the present invention;

[0023] Figure 8 This is a three-dimensional schematic diagram of a rotating platform provided in an embodiment of the present invention;

[0024] Figure 9A top view of the rotating platform provided in an embodiment of the present invention;

[0025] Figure 10 A perspective view of the fan blades and driver installed on a second cover inside a accommodating cavity, as provided in an embodiment of the present invention.

[0026] The following are the labeling elements in the figure:

[0027] 1-Base; 11-Third support frame; 12-Fourth support frame; 13-Second connecting frame; 2-Rotating platform; 21-Storage cavity; 211-First notch; 212-Second notch; 213-First slide rail; 2131-First inner wall; 2132-Second inner wall; 214-Second slide rail; 2141-Third inner wall; 2142-Fourth inner wall; 22-First support frame; 23-Second support frame; 24-First connecting frame; 251-First shaft; 252-Second shaft; 3-Protective cover; 31-First cover; 311-First air inlet; 32-Second cover; 321-First air outlet; 33-Accommodation cavity; 41-Driver; 42-Fan blade; 51-First cable; 52-First plug. Detailed Implementation

[0028] To make the technical problems to be solved, the technical solutions, and the beneficial effects of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

[0029] In this application, "multiple" means two or more, unless otherwise expressly and specifically defined.

[0030] In this application, the terms "first" and "second" are used for descriptive purposes only; neither "first" nor "second" should be construed as indicating the number of indicated technical features; neither "first" nor "second" should be construed as implying the number of indicated technical features; neither "first" nor "second" should be construed as suggesting the number of indicated technical features. Furthermore, a feature specified with "first" may explicitly or implicitly include one or more of that feature; a feature specified with "second" may explicitly or implicitly include one or more of that feature.

[0031] In this application, when an element is referred to as "fixed to" or "set on" another element, it can be an element directly on the other element, or it can be an element indirectly on the other element. When an element is referred to as "connected to" another element, it can be an element directly connected to the other element, or it can be an element indirectly connected to the other element.

[0032] In this application, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the present invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the present invention.

[0033] It should be noted that, in the description of the embodiments of this application, unless otherwise stated, " / " means "or". For example, A / B can mean A or B. The "and / or" in this document is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Here, A and B can be singular or plural, respectively.

[0034] Regarding the working principle of the fan: An external power source (such as a power bank or mains power) supplies power to the motor through a cable. The motor drives the fan blades 42 to rotate and generate airflow. The fan blades 42 are usually covered with a protective mesh cover (mesh cover: a cover with mesh holes) to protect the fan blades 42.

[0035] The fan in this application can be any one of the following: a desktop fan with a USB plug (in one embodiment, powered by 5V DC), a handheld fan (e.g., a portable fan), a table fan, an oscillating fan, an industrial fan, or a floor fan. Of course, the fan in this application can also be other types of fans.

[0036] Please refer to the following: Figures 1 to 10 The easy-to-clean fan provided by the present invention will now be described. The easy-to-clean fan includes: a base 1, a protective cover 3 having a receiving cavity 33, a fan blade 42 disposed in the receiving cavity 33, a driver 41 pulvinctly connected to the fan blade 42, and a rotating platform 2 rotatably disposed on the base 1; the protective cover 3 has a first air inlet 311 communicating with the receiving cavity 33 and a first air outlet 321 communicating with the receiving cavity 33; the rotating platform 2 is provided with a receiving cavity 21 for inserting one end of the protective cover 3 or the entire protective cover 3; the rotating platform 2 is respectively provided with an air inlet channel and an air outlet channel; the air inlet channel is communicating with the first air inlet 311, and the air outlet channel is communicating with the first air outlet 321.

[0037] Thus, the fan blade 42 is housed within the receiving cavity 33 inside the protective cover 3, which surrounds and protects the fan blade 42. External airflow enters the receiving cavity 33 through the first air inlet 311 on the protective cover 3, and the airflow within the receiving cavity 33 is discharged through the first air outlet 321 on the protective cover 3, thereby creating wind blowing towards the user. The rotating platform 2 is rotatably mounted on the base 1, and its orientation can be easily adjusted. The protective cover 3 is mounted on the rotating platform 2, and changing the orientation of the rotating platform 2 changes the direction of the protective cover 3 (and the fan blade 42 within it). The rotating platform 2 has a receiving cavity 21. One end of the cover 3 is inserted into the storage cavity 21, or the entire protective cover 3 is inserted into the storage cavity 21; that is, when the user needs to clean the protective cover 3 and the fan blade 42, he / she only needs to remove the protective cover 3 from the storage cavity 21, which is very convenient; after cleaning the protective cover 3 and the fan blade 42, the protective cover 3 can be reinserted into the storage cavity 21; when the protective cover 3 is inserted into the storage cavity 21, in order to reduce the influence of the rotating table 2 on the airflow of the fan blade 42, the rotating table 2 is provided with an air inlet channel and an air outlet channel respectively; the air inlet channel is connected to the first air inlet 311 to facilitate air intake, and the air outlet channel is connected to the first air outlet 321 to facilitate air exhaust.

[0038] In one embodiment, the air intake channel and the air exhaust channel are respectively arranged on the rotating table 2.

[0039] In one embodiment, external gas passes through the air inlet channel, the first air inlet 311, the first air outlet 321, and the air outlet channel in sequence and is discharged.

[0040] In one embodiment, the air intake channel can be any one of a hole, notch, or pipe provided on the rotating platform 2. In another embodiment, the air intake channel can be the space outside the rotating platform 2.

[0041] In one embodiment, the air outlet can be any one of a hole, notch, or pipe provided on the rotating platform 2. In another embodiment, the air outlet can be the space outside the rotating platform 2.

[0042] In one embodiment, the storage cavity 21 is a concave cavity, which facilitates the insertion of the protective cover 3 into the storage cavity 21. In another embodiment, the concave cavity is U-shaped.

[0043] In one embodiment, the rotary table 2 is rotatably mounted on the base 1 about a predetermined axis. In another embodiment, the rotary table 2 is connected to the base 1 via a universal coupling.

[0044] In one embodiment, the base 1 is made of plastic or metal.

[0045] In one embodiment, the turntable 2 is made of plastic or metal.

[0046] In one embodiment, the protective cover 3 is made of plastic or metal. In one embodiment, the protective cover 3 is mesh-like. In one embodiment, the first air inlet 311 is a mesh opening on the protective cover 3. In one embodiment, the first air outlet 321 is a mesh opening on the protective cover 3.

[0047] In one embodiment, the fan blade 42 is made of plastic or metal.

[0048] In one embodiment, the number of fan blades 42 is multiple.

[0049] In one embodiment, the driver 41 is disposed within the receiving cavity 33. In another embodiment, the driver 41 is disposed outside the receiving cavity 33.

[0050] In one embodiment, the driver 41 is a DC motor or an AC motor.

[0051] In one embodiment, there are multiple first air inlets 311. In one embodiment, the multiple first air inlets 311 are arranged sequentially along a ring path. In one embodiment, the multiple first air inlets 311 are evenly spaced along the ring path.

[0052] In one embodiment, there are multiple first air outlets 321. In one embodiment, the multiple first air outlets 321 are arranged sequentially along a circular path. In one embodiment, the multiple first air outlets 321 are evenly spaced along the circular path.

[0053] In this application, the plastic can be any of the following materials: polyethylene, polypropylene, high-density polyethylene, low-density polyethylene, linear low-density polyethylene, polyvinyl chloride, general-purpose polystyrene, polystyrene foam, impact-resistant polystyrene, styrene-acrylonitrile copolymer, acrylonitrile-butadiene-styrene copolymer, polymethacrylate, ethylene-vinyl acetate copolymer, polyethylene terephthalate, polybutyl terephthalate, polyamide, polycarbonate, polyoxymethylene ester, polyphenylene ether, polyphenylene sulfide, polyurethane, polystyrene, and polytetrafluoroethylene.

[0054] In this application, the metal can be any of the following materials: iron, copper, aluminum, alloys, and steel.

[0055] Further, please refer to Figures 1 to 10As a specific embodiment of the easy-to-clean fan provided by the present invention, the storage cavity 21 has a first inner wall 2131 and a second inner wall 2132 spaced apart, and the protective cover 3 is sandwiched between the first inner wall 2131 and the second inner wall 2132. Thus, after the protective cover 3 is inserted into the storage cavity 21, the first inner wall 2131 and the second inner wall 2132 clamping the protective cover 3 can reduce the sliding of the protective cover 3 relative to the first inner wall 2131 or the second inner wall 2132.

[0056] In one embodiment, the first inner wall 2131 is a plane.

[0057] In one embodiment, the second inner wall 2132 is a plane.

[0058] Further, please refer to Figures 1 to 10 As a specific embodiment of the easy-to-clean fan provided by the present invention, the protective cover 3 includes a first cover 31 and a second cover 32 that are detachably connected (detachable connection: the first cover 31 abuts against the second cover 32; detachable connection: the first cover 31 can also be detachably fixed to the second cover 32); a first air inlet 311 is opened on the first cover 31, a first air outlet 321 is opened on the second cover 32, and a receiving cavity 33 is formed between the first cover 31 and the second cover 32; the first cover 31 is sandwiched between the first inner wall 2131 and the second cover 32, and the second cover 32 is sandwiched between the second inner wall 2132 and the first cover 31. Thus, the first cover 31 and the second cover 32 are detachably connected to form a protective cover 3, with the first cover 31 fixed to the second cover 32, and a receiving cavity 33 for accommodating the fan blade 42 formed between the first cover 31 and the second cover 32; allowing the user to easily clean the fan blade 42 after separating the first cover 31 and the second cover 32; the storage cavity 21 has a first inner wall 2131 and a second inner wall 2132 arranged opposite to each other, with the first cover 31 and the second cover 32 sandwiched between the first inner wall 2131 and the second inner wall 2132; that is, the first The cover 31 is sandwiched between the first inner wall 2131 and the second cover 32, and the second cover 32 is sandwiched between the second inner wall 2132 and the first cover 31. Therefore, after the first cover 31 and the second cover 32 are closed and then inserted into the storage cavity 21, the first cover 31 is sandwiched between the first inner wall 2131 and the second cover 32, and the second cover 32 is sandwiched between the second inner wall 2132 and the first cover 31. The first cover 31 and the second cover 32 are less likely to loosen under the restriction of the first inner wall 2131 and the second inner wall 2132.

[0059] In one embodiment, the first cover 31 has a first recess, the second cover 32 has a second recess, the edge of the first recess is annular, the edge of the second recess is annular, and the edge of the first recess abuts against the edge of the second recess.

[0060] In one embodiment, the first inner wall 2131 is planar. In one embodiment, the second inner wall 2132 is planar. In one embodiment, the first inner wall 2131 and the second inner wall 2132 are parallel.

[0061] Further, please refer to Figures 1 to 10 As a specific embodiment of the easy-to-clean fan provided by the present invention, the rotating platform 2 includes a first support frame 22, a second support frame 23 spaced apart from the first support frame 22, and a first connecting frame 24 connecting the first support frame 22 and the second support frame 23; a ventilation gap (a gap for airflow) is formed between the first support frame 22 and the second support frame 23, and the ventilation gap is connected to the first air inlet 311 and the first air outlet 321 respectively. Thus, the protective cover 3 is disposed between the first support frame 22 and the second support frame 23, enabling the first support frame 22 and the second support frame 23 to protect the protective cover 3; the ventilation gap between the first support frame 22 and the second support frame 23 facilitates airflow.

[0062] In one embodiment, the first support frame 22 is plate-shaped.

[0063] In one embodiment, the second support frame 23 is plate-shaped.

[0064] In one embodiment, the first connecting frame 24 is plate-shaped.

[0065] In one embodiment, when the protective cover 3 is inserted into the storage cavity 21, the protective cover 3 abuts against the first connecting frame 24; this facilitates maintaining the stability of the protective cover 3 in the storage cavity 21. In one embodiment, the first connecting frame 24 is provided with a limiting groove, and the first cover 31 and the second cover 32 are respectively inserted into the limiting groove.

[0066] In one embodiment, a first groove 213 is provided on the surface of the first support frame 22 facing the second support frame 23 (i.e., the first support frame 22 has a first surface facing the second support frame 23, and the first groove 213 is provided on the first surface. In one embodiment, the first groove 213 is formed by a recess in the first surface), and a second groove 214 is provided on the surface of the second support frame 23 facing the first support frame 22 (i.e., the second support frame 23 has a second surface facing the first support frame 22, and the second groove 214 is provided on the second surface. In one embodiment, the second groove 214 is formed by a recess in the second surface); a receiving cavity 21 is formed between the inner wall of the first groove 213 and the inner wall of the second groove 214; a first end of the first cover 31 is slidably disposed in the first groove 213, and a second end of the first cover 31 is slidably disposed in the second groove 214; a first end of the second cover 32 is slidably disposed in the first groove 213, and a second end of the second cover 32 is slidably disposed in the second groove 214. Thus, the aforementioned storage cavity 21 is formed between the first sliding groove 213 of the first support frame 22 and the second sliding groove 214 of the second support frame 23; after the first cover 31 and the second cover 32 are closed to form the protective cover 3, the first end of the first cover 31 and the first end of the second cover 32 are slid into the first sliding groove 213 on the first support frame 22, and the second end of the first cover 31 and the second end of the second cover 32 are slid into the second sliding groove 214 on the second support frame 23, so that the protective cover 3 can be inserted into the storage cavity 21.

[0067] The two opposite ends of the protective cover 3 are the first end of the protective cover 3 and the second end of the protective cover 3, respectively.

[0068] In one embodiment, the first end and the second end of the first cover 31 are the opposite ends of the first cover 31.

[0069] In one embodiment, the first end of the second cover 32 and the second end of the second cover 32 are the opposite ends of the second cover 32.

[0070] In one embodiment, the opposite side walls of the first slide groove 213 are a first inner wall 2131 and a second inner wall 2132, respectively, and the first end of the first cover 31 is sandwiched between the first inner wall 2131 and the first end of the second cover 32, and the first end of the second cover 32 is sandwiched between the second inner wall 2132 and the first end of the first cover 31; and / or the opposite side walls of the second slide groove 214 are a third inner wall 2141 and a fourth inner wall 2142, respectively, and the second end of the first cover 31 is sandwiched between the third inner wall 2141 and the second end of the second cover 32, and the second end of the second cover 32 is sandwiched between the fourth inner wall 2142 and the second end of the first cover 31. Thus, the first end of the first cover 31 is clamped between the first inner wall 2131 and the first end of the second cover 32, reducing loosening of the first end of the first cover 31; the first end of the second cover 32 is clamped between the second inner wall 2132 and the first end of the first cover 31, reducing loosening of the first end of the second cover 32; the second end of the first cover 31 is clamped between the third inner wall 2141 and the second end of the second cover 32, reducing loosening of the second end of the first cover 31; the second end of the second cover 32 is clamped between the fourth inner wall 2141 and the second end of the second cover 32. 2. Between the first cover 31 and the second end of the first cover 32, the second end of the second cover 32 is reduced from being loose; the first end of the first cover 31 and the first end of the second cover 32 are respectively restricted between the first inner wall 2131 and the second inner wall 2132, reducing the possibility of loosening between the first cover 31 and the second cover 32; the second end of the first cover 31 and the second end of the second cover 32 are respectively restricted between the third inner wall 2141 and the fourth inner wall 2142, reducing the possibility of loosening between the first cover 31 and the second cover 32.

[0071] Further, please refer to Figures 1 to 10 As a specific embodiment of the easy-to-clean fan provided by the present invention, it further includes any one or more of the following: a first fixing structure, a second fixing structure, a third fixing structure, a fourth fixing structure, a fifth fixing structure, and a sixth fixing structure. The first fixing structure is used to fix the first cover 31 and the second cover 32; the second fixing structure is used to fix the first cover 31 and the second cover 32; the third fixing structure is used to fix the first cover 31 and the second cover 32; the fourth fixing structure is used to fix the first cover 31 and the second cover 32; the fifth fixing structure is used to fix the first cover 31 and the second cover 32; and the sixth fixing structure is used to fix the first cover 31 and the second cover 32.

[0072] In one embodiment, the first fixing structure includes a first boss on the first cover 31 and a first recess on the second cover 32; the first boss is inserted into the first recess. Thus, the first cover 31 and the second cover 32 are fixed by the first boss being inserted into the first recess. In one embodiment, the first boss is pin-shaped.

[0073] In one embodiment, the second fixing structure includes a second boss disposed on the second cover 32 and a second recess disposed on the first cover 31; the second boss is inserted into the second recess. Thus, the first cover 31 and the second cover 32 can be fixed by the second boss being inserted into the second recess. In one embodiment, the second boss is pin-shaped.

[0074] In one embodiment, the third fixing structure includes: a first hook disposed on the first cover 31 and a first slot disposed on the second cover 32; the first hook is inserted into the first slot. Thus, the first hook can fix the first cover 31 and the second cover 32 by hooking onto the inner wall of the first slot, and the first slot can accommodate the first hook, avoiding the occupation of external space.

[0075] In one embodiment, the fourth fixing structure includes: a second hook disposed on the second cover 32 and a second slot disposed on the first cover 31; the second hook is inserted into the second slot. Thus, the second hook can fix the first cover 31 and the second cover 32 by hooking onto the inner wall of the second slot, and the second slot can accommodate the second hook, avoiding the occupation of external space.

[0076] In one embodiment, the fifth fixing structure includes: a first magnet disposed on the first cover 31 and a second magnet disposed on the second cover 32; the first magnet is attracted to the second magnet. Thus, the first cover 31 and the second cover 32 can be fixed by the first magnet being attracted to the second magnet, which is very convenient. In one embodiment, the first magnet and the second magnet are permanent magnets.

[0077] In one embodiment, the sixth fixing structure includes: a first hook disposed on the first cover 31 and a second hook disposed on the second cover 32; the first hook hooks onto the second hook. Thus, the first hook can securely fix the first cover 31 and the second cover 32 by hooking onto the second hook, which is very secure and convenient. In one embodiment, the outer surface of the first hook has a first guide surface, and the outer surface of the second hook has a second guide surface; when the first hook contacts the second guide surface, the first hook can slide along the second guide surface, facilitating the first hook hooking onto the second hook; when the second hook contacts the first guide surface, the second hook can slide along the first guide surface, facilitating the second hook hooking onto the first hook.

[0078] Further, please refer to Figures 1 to 10 As a specific embodiment of the easy-to-clean fan provided by the present invention, it further includes any one or more of the following: a first ventilation structure, a second ventilation structure, a third ventilation structure, and a fourth ventilation structure. This facilitates the airflow generated by the fan blades 42.

[0079] In one embodiment, the first ventilation structure includes a first notch 211 formed at the edge of the receiving cavity 21 and a second notch 212 formed at the edge of the receiving cavity 21; the first notch 211 communicates with the first air inlet 311; the second notch 212 communicates with the first air outlet 321; the air inlet channel includes the first notch 211; the air outlet channel includes the second notch 212. Thus, airflow can sequentially pass through the first notch 211, the first air inlet 311, the receiving cavity 33, the first air outlet 321, and the second notch 212, facilitating airflow. In one embodiment, the first notch 211 is U-shaped. In one embodiment, the second notch 212 is U-shaped.

[0080] In one embodiment, the second ventilation structure includes a second air inlet formed on one inner wall of the receiving cavity 21 and a second air outlet formed on the other inner wall of the receiving cavity 21; the second air inlet is connected to the first air inlet 311, and the second air outlet is connected to the first air outlet 321; the air intake channel includes the second air inlet; and the air outlet channel includes the second air outlet. Thus, airflow can sequentially pass through the second air inlet, the first air inlet 311, the receiving cavity 33, the first air outlet 321, and the second air outlet, facilitating airflow.

[0081] In one embodiment, the third ventilation structure includes: a gap formed between the rotating platform 2 and the base 1; a first air inlet 311 communicating with the gap; a first air outlet 321 communicating with the gap; and an air inlet channel including the gap; or an air outlet channel including the gap. Thus, airflow can conveniently pass through the gap between the rotating platform 2 and the base 1.

[0082] In one embodiment, the fourth ventilation structure includes: a first air duct disposed on the rotating platform 2 and a second air duct disposed on the rotating platform 2; the first air duct is connected to the first air inlet 311, and the second air duct is connected to the first air outlet 321; the air inlet channel includes the first air duct; the air outlet channel includes the second air duct. Thus, airflow can sequentially pass through the second air duct, the first air inlet 311, the accommodating cavity 33, the first air outlet 321, and the second air duct, facilitating airflow. In one embodiment, the first air duct can be any one of a hole, slot, pipe, notch, or the external space of the rotating platform 2. In one embodiment, the second air duct can be any one of a hole, slot, pipe, notch, or the external space of the rotating platform 2.

[0083] Further, please refer to Figures 1 to 10 As a specific embodiment of the easy-to-clean fan provided by the present invention, it also includes: a pivoting mechanism and a damping mechanism;

[0084] In one embodiment, the rotating platform 2 is rotatably mounted on the base 1 about a predetermined axis via a pivoting mechanism. The pivoting mechanism includes a first shaft 251 and a second shaft 252. The first shaft 251 and the second shaft 252 are coaxially arranged, and the axes of the first shaft 251 and the second shaft 252 are respectively aligned with the predetermined axis. The first shaft 251 is located at one end of the rotating platform 2, and the second shaft 252 is located at the other end of the rotating platform 2. Thus, one end of the rotating platform 2 is pivotally connected to the base 1 via the first shaft 251, and the other end of the rotating platform 2 is pivotally connected to the base 1 via the second shaft 252.

[0085] In one embodiment, the first shaft 251 and the second shaft 252 are located at opposite ends of the rotating platform 2.

[0086] In one embodiment, the bottom surface of the second connecting bracket 13 is flat, making it easy to place on a flat tabletop. In one embodiment, the first shaft 251 and the second shaft 252 extend horizontally.

[0087] In one embodiment, the base 1 includes: a third support frame 11, a fourth support frame 12 spaced apart from the third support frame 11, and a second connecting frame 13 connecting the third support frame 11 and the fourth support frame 12; a rotating platform 2 is located between the third support frame 11 and the fourth support frame 12; the third support frame 11 has a first through hole, and the fourth support frame 12 has a second through hole; a first shaft 251 is inserted into the first through hole; and a second shaft 252 is inserted into the second through hole. Thus, after the first shaft 251 is fixed to the rotating platform 2, the rotating platform 2 can rotate relative to the third support frame 11 simply by inserting the first shaft 251 into the first through hole of the third support frame 11, which is very convenient; after the second shaft 252 is fixed to the rotating platform 2, the rotating platform 2 can rotate relative to the fourth support frame 12 simply by inserting the second shaft 252 into the second through hole of the fourth support frame 12, which is also very convenient.

[0088] In one embodiment, the third support frame 11 is plate-shaped. In one embodiment, the fourth support frame 12 is plate-shaped. In one embodiment, the second connecting frame 13 is plate-shaped. In one embodiment, the third support frame 11 and the fourth support frame 12 are respectively arranged perpendicular to the second connecting frame 13.

[0089] In one embodiment, a first shaft 251 is disposed on a first support frame 22. In another embodiment, a second shaft 252 is disposed on a second support frame 23.

[0090] In one embodiment, the damping mechanism includes any one or more of the following: a first damping structure, a second damping structure, a third damping structure, a fourth damping structure, a fifth damping structure, a sixth damping structure, a seventh damping structure, an eighth damping structure, a ninth damping structure, a tenth damping structure, an eleventh damping structure, and a twelfth damping structure.

[0091] In one embodiment, the first damping structure includes: a first shaft 251 interference-fitted into a first through hole, the outer wall of the first shaft 251 applying a first compressive force to the inner wall of the first through hole, the first compressive force being greater than zero. Thus, friction is generated between the outer wall of the first shaft 251 and the inner wall of the first through hole, facilitating the maintenance of the first shaft 251 at a predetermined rotation angle (the predetermined rotation angle can be any rotation angle of the first shaft 251); furthermore, the user can rotate the first shaft 251 after overcoming the friction between the first shaft 251 and the inner wall of the first through hole.

[0092] In one embodiment, the second damping structure includes: a second shaft 252 interference-fitted into a second through hole, the outer wall of the second shaft 252 applying a second compressive force to the inner wall of the second through hole, the second compressive force being greater than zero. Thus, friction is generated between the outer wall of the second shaft 252 and the inner wall of the second through hole, facilitating the maintenance of the second shaft 252 at a predetermined rotation angle; furthermore, the user can rotate the second shaft 252 after overcoming the friction between the second shaft 252 and the inner wall of the second through hole.

[0093] In one embodiment, the third damping structure includes: a first buffer layer circumferentially disposed on the first shaft 251; the clamping force between the outer wall of the first shaft 251 and the inner wall of the first through hole on the first buffer layer is a third compressive force, which is greater than zero. Thus, the first buffer layer generates friction against the inner wall of the first through hole, facilitating the maintenance of the first shaft 251 at a predetermined rotation angle; furthermore, the user can rotate the first shaft 251 after overcoming the friction between the first buffer layer and the inner wall of the first through hole. In one embodiment, the first buffer layer can be any one of a plastic layer, a silicone layer, and a metal layer.

[0094] In one embodiment, the fourth damping structure includes: a second buffer layer circumferentially disposed on the second shaft 252; the clamping force between the outer wall of the second shaft 252 and the inner wall of the second through hole on the second buffer layer is a fourth compressive force, which is greater than zero. Thus, the second buffer layer generates friction against the inner wall of the second through hole, facilitating the maintenance of the second shaft 252 at a predetermined rotation angle; furthermore, the user can rotate the second shaft 252 after overcoming the friction between the second buffer layer and the inner wall of the second through hole. In one embodiment, the second buffer layer can be any one of a plastic layer, a silicone layer, and a metal layer.

[0095] In one embodiment, the fifth damping structure includes: a first protrusion disposed on the first shaft 251 and abutting against the inner wall of the first through hole; a fifth compressive force exists between the first protrusion and the inner wall of the first through hole, the fifth compressive force being greater than zero. Thus, the outer wall of the first protrusion abuts against the inner wall of the first through hole, generating friction, which facilitates maintaining the first shaft 251 at a predetermined rotation angle; furthermore, the user can rotate the first shaft 251 after overcoming the friction between the first protrusion and the inner wall of the first through hole.

[0096] In one embodiment, the sixth damping structure includes: a second protrusion disposed on the second shaft 252 and abutting against the inner wall of the second through hole; a sixth compressive force exists between the second protrusion and the inner wall of the second through hole, the sixth compressive force being greater than zero. Thus, the outer wall of the second protrusion abuts against the inner wall of the second through hole, generating friction, which facilitates maintaining the second shaft 252 at a predetermined rotation angle; furthermore, the user can rotate the second shaft 252 after overcoming the friction between the second protrusion and the inner wall of the second through hole.

[0097] In one embodiment, the seventh damping structure includes: a third protrusion disposed on the inner wall of the first through hole and abutting against the outer wall of the first shaft 251; a seventh compressive force exists between the third protrusion and the outer wall of the first shaft 251, the seventh compressive force being greater than zero. Thus, the outer wall of the third protrusion abuts against the outer wall of the first shaft 251, generating friction, which facilitates maintaining the first shaft 251 at a predetermined rotation angle; furthermore, the user can rotate the first shaft 251 after overcoming the friction between the third protrusion and the outer wall of the first shaft 251.

[0098] In one embodiment, the eighth damping structure includes: a fourth protrusion disposed on the inner wall of the second through hole and abutting against the outer wall of the second shaft 252; an eighth compressive force exists between the fourth protrusion and the outer wall of the second shaft 252, the eighth compressive force being greater than zero. Thus, the outer wall of the fourth protrusion abuts against the outer wall of the second shaft 252, generating friction, which facilitates maintaining the second shaft 252 at a predetermined rotation angle; furthermore, the user can rotate the second shaft 252 after overcoming the friction between the fourth protrusion and the outer wall of the second shaft 252.

[0099] In one embodiment, the ninth damping structure includes: a first tooth surrounding the first shaft 251 and a second tooth surrounding the inner wall of the first through hole, the first tooth meshing with the second tooth, and a ninth compressive force greater than zero existing between the first tooth and the second tooth. Thus, the first tooth abuts against the second tooth to generate friction, facilitating the maintenance of the first shaft 251 at a predetermined rotation angle; furthermore, the user can rotate the first shaft 251 after overcoming the friction between the first tooth and the second tooth.

[0100] In one embodiment, the tenth damping structure includes a third tooth surrounding the second shaft 252 and a fourth tooth surrounding the inner wall of the second through hole. The third tooth meshes with the fourth tooth, and a tenth compressive force exists between the third tooth and the fourth tooth, which is greater than zero. Thus, the third tooth abuts against the fourth tooth, generating friction, which helps the second shaft 252 maintain a predetermined rotation angle. Furthermore, the user can rotate the second shaft 252 after overcoming the friction between the third and fourth teeth.

[0101] In one embodiment, the eleventh damping structure includes a first torsion spring connecting the first shaft 251 and the rotary table 2. Thus, the first shaft 251 is connected to the rotary table 2 via the first torsion spring, allowing the first shaft 251 to be maintained at a predetermined rotation angle under the elastic force of the first torsion spring; furthermore, the user can rotate the first shaft 251 after overcoming the elastic force of the first torsion spring.

[0102] In one embodiment, the twelfth damping structure includes a second torsion spring connecting the second shaft 252 and the rotary table 2. Thus, the second shaft 252 is connected to the rotary table 2 via the first torsion spring, allowing the second shaft 252 to be maintained at a predetermined rotation angle under the elastic force of the first torsion spring; furthermore, the user can rotate the second shaft 252 after overcoming the elastic force of the first torsion spring.

[0103] Further, please refer to Figures 1 to 10 As a specific embodiment of the easy-to-clean fan provided by the present invention, the first protrusion is any one of hemispherical, spherical, and convex ridge extending along the first shaft 251; the second protrusion is any one of hemispherical, spherical, and convex ridge extending along the second shaft 252; the third protrusion is any one of hemispherical, spherical, and convex ridge extending along the first shaft 251; and the fourth protrusion is any one of hemispherical, spherical, and convex ridge extending along the second shaft 252.

[0104] In one embodiment, the first protrusion is integrally formed with the first shaft 251. In another embodiment, the first protrusion and the first shaft 251 are independently disposed. In one embodiment, the second protrusion is integrally formed with the second shaft 252. In another embodiment, the second protrusion and the second shaft 252 are independently disposed.

[0105] Further, please refer to Figures 1 to 10 As a specific embodiment of the easy-to-clean fan provided by the present invention, the fixing method between the first shaft 251 and the rotating platform 2 can be any one of the first connection structure, the second connection structure, the third connection structure, and the fourth connection structure.

[0106] In one embodiment, the first shaft 251 is fixed on the first support frame 22 of the rotating table 2.

[0107] In one embodiment, the second shaft 252 is fixed on the second support frame 23 of the rotating table 2.

[0108] In one embodiment, the first connection structure includes a first external thread on the first shaft 251 and a first internal thread on the rotary table 2, with the first external thread and the first internal thread threadedly connected. This threaded connection between the first external thread and the first internal thread conveniently secures the first shaft 251 and the rotary table 2. In another embodiment, the first connection structure may include a second internal thread on the first shaft 251 and a second external thread on the rotary table 2, with the second internal thread and the second external thread threadedly connected. This threaded connection between the second external thread and the second internal thread also conveniently secures the first shaft 251 and the rotary table 2.

[0109] In one embodiment, the second connection structure is a first adhesive layer that bonds the first shaft 251 and the rotating platform 2. Thus, the first shaft 251 and the rotating platform 2 can be fixed together by bonding them together with the first adhesive layer, which is very convenient.

[0110] In one embodiment, the third connection structure is a first screw that fixes the first shaft 251 and the rotating platform 2. Thus, the first shaft 251 and the rotating platform 2 can be conveniently fixed together by the first screw.

[0111] In one embodiment, the fourth connection structure is that the first shaft 251 and the rotating platform 2 are integral parts. Thus, the first shaft 251 and the rotating platform 2 are very firmly connected. In another embodiment, the first shaft 251 and the rotating platform 2 are injection-molded integral parts.

[0112] In one embodiment, the fixing method between the second shaft 252 and the rotating table 2 can be any one of the fifth connection structure, the sixth connection structure, the seventh connection structure, and the eighth connection structure;

[0113] In one embodiment, the fifth connection structure includes a third external thread on the second shaft 252 and a third internal thread on the rotary table 2, with the third external thread and the third internal thread threadedly connected. This threaded connection between the third external thread and the third internal thread conveniently secures the second shaft 252 and the rotary table 2. In another embodiment, the fifth connection structure may include a fourth internal thread on the second shaft 252 and a fourth external thread on the rotary table 2, with the fourth internal thread and the fourth external thread threadedly connected. This threaded connection between the fourth external thread and the fourth internal thread conveniently secures the second shaft 252 and the rotary table 2.

[0114] In one embodiment, the sixth connection structure is a second adhesive layer that bonds the second shaft 252 and the rotating platform 2. Thus, the second shaft 252 and the rotating platform 2 can be fixed together by bonding them together with the second adhesive layer, which is very convenient.

[0115] In one embodiment, the seventh connection structure is a second screw that fixes the second shaft 252 and the rotating platform 2. Thus, the second shaft 252 and the rotating platform 2 can be conveniently fixed together using the second screw.

[0116] In one embodiment, the eighth connection structure is that the second shaft 252 and the rotating platform 2 are integral parts. In another embodiment, the second shaft 252 and the rotating platform 2 are integral parts formed by injection molding.

[0117] In one embodiment, the first shaft 251 is fixed on the first support frame 22 of the rotating table 2.

[0118] In one embodiment, the second shaft 252 is fixed on the second support frame 23 of the rotating table 2.

[0119] Further, please refer to Figures 1 to 10 In one specific embodiment of the easy-to-clean fan provided by the present invention, the driver 41 is a motor; the motor is fixed to the inner wall of the accommodating cavity 33. This facilitates control of the fan blade 42's rotational speed via the motor. In one embodiment, the motor is a DC motor or an AC motor.

[0120] In one embodiment, the motor is connected to any one of the first plug 52, the second plug, and the third plug;

[0121] In one embodiment, the first plug 52 is a USB plug (USB: Universal Serial Bus). A first mounting hole is located on the side wall of the accommodating cavity 33. A first cable 51 connecting the first plug 52 and the motor passes through this first mounting hole, and the first cable 51 is sealed to the inner wall of the first mounting hole. Thus, the motor can be powered by simply plugging the USB plug on the first cable 51 into a USB socket, which is very convenient; the seal between the first cable 51 and the inner wall of the first mounting hole provides a more secure connection. In one embodiment, the voltage of the USB plug is 5V. In one embodiment, the USB plug uses any one of the following interfaces: USB 1.0, USB 2.0, USB 3.0, USB 3.1, USB 3.2, and USB 4.

[0122] In one embodiment, the second plug is a DC plug (DC: direct current). A second mounting hole is located on the side wall of the accommodating cavity 33. A second cable connecting the second plug and the motor passes through the second mounting hole, and the second cable is sealed to the inner wall of the second mounting hole. Thus, the motor can be powered by simply plugging the DC plug on the second cable into a DC socket, which is very convenient; the seal between the second cable and the inner wall of the second mounting hole provides a more secure connection.

[0123] In one embodiment, the third plug is an AC plug (AC: alternating current). A third mounting hole is located on the side wall of the accommodating cavity 33. A third cable connecting the third plug and the motor passes through this third mounting hole, and the third cable is sealed to the inner wall of the third mounting hole. Thus, the motor can be powered by simply plugging the AC plug on the third cable into an AC socket, which is very convenient; the seal between the third cable and the inner wall of the third mounting hole provides a more secure connection. In one embodiment, the AC plug is either 110V or 220V AC.

[0124] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An easy-to-clean fan, characterized in that, include: The system comprises a base, a protective cover with a receiving cavity, fan blades disposed within the receiving cavity, a driver drive connected to the fan blades, and a rotating platform rotatably mounted on the base. The protective cover has a first air inlet communicating with the receiving cavity and a first air outlet communicating with the receiving cavity. The rotating platform has a receiving cavity for inserting one end or the entire protective cover. The rotating platform has an air inlet channel and an air outlet channel. The air inlet channel communicates with the first air inlet, and the air outlet channel communicates with the first air outlet. The receiving cavity has a first inner wall and a second inner wall spaced apart, and the protective cover is clamped between the first inner wall and the second inner wall. The protective cover includes a first cover and a second cover that are detachably connected; the first air inlet is opened on the first cover, the first air outlet is opened on the second cover, and the receiving cavity is formed between the first cover and the second cover; the first cover is sandwiched between the first inner wall and the second cover, and the second cover is sandwiched between the second inner wall and the first cover.

2. The easy-to-clean fan as described in claim 1, characterized in that, The rotating platform includes a first support frame, a second support frame spaced apart from the first support frame, and a first connecting frame connecting the first support frame and the second support frame; a ventilation gap is formed between the first support frame and the second support frame, and the ventilation gap is respectively connected to the first air inlet and the first air outlet; The first support frame has a first groove on its surface facing the second support frame, and the second support frame has a second groove on its surface facing the first support frame; the receiving cavity is formed between the inner walls of the first groove and the inner walls of the second groove; the first end of the first cover is slidably disposed in the first groove, and the second end of the first cover is slidably disposed in the second groove; the first end of the second cover is slidably disposed in the first groove, and the second end of the second cover is slidably disposed in the second groove. The opposite side walls of the first slide are the first inner wall and the second inner wall, respectively. The first end of the first cover is clamped between the first inner wall and the first end of the second cover, and the first end of the second cover is clamped between the second inner wall and the first end of the first cover; and / or the opposite side walls of the second slide are the third inner wall and the fourth inner wall, respectively. The second end of the first cover is clamped between the third inner wall and the second end of the second cover, and the second end of the second cover is clamped between the fourth inner wall and the second end of the first cover.

3. The easy-to-clean fan as described in claim 1, characterized in that, Also includes: Any one or more of the following: a first fixing structure for fixing the first cover and the second cover; a second fixing structure for fixing the first cover and the second cover; a third fixing structure for fixing the first cover and the second cover; a fourth fixing structure for fixing the first cover and the second cover; a fifth fixing structure for fixing the first cover and the second cover; and a sixth fixing structure for fixing the first cover and the second cover. The first fixing structure includes: a first protrusion disposed on the first cover and a first recess disposed on the second cover; the first protrusion is inserted into the first recess. The second fixing structure includes: a second protrusion disposed on the second cover and a second recess disposed on the first cover; the second protrusion is inserted into the second recess. The third fixing structure includes: a first hook disposed on the first cover and a first slot disposed on the second cover; the first hook is inserted into the first slot; The fourth fixing structure includes: a second hook disposed on the second cover and a second slot disposed on the first cover; the second hook is inserted into the second slot; The fifth fixing structure includes: a first magnet disposed on the first cover and a second magnet disposed on the second cover; the first magnet is attracted to the second magnet; The sixth fixing structure includes: a first hook disposed on the first cover and a second hook disposed on the second cover; the first hook is hooked onto the second hook.

4. The easy-to-clean fan as described in claim 1, characterized in that, Also includes: The ventilation structure includes one or more of the following: a first ventilation structure, a second ventilation structure, a third ventilation structure, and a fourth ventilation structure; wherein, The first ventilation structure includes: a first notch formed at the edge of the receiving cavity and a second notch formed at the edge of the receiving cavity; the first notch communicates with the first air inlet; the second notch communicates with the first air outlet; the air inlet channel includes: the first notch; the air outlet channel includes: the second notch; The second ventilation structure includes: a second air inlet formed on one inner wall of the storage cavity and a second air outlet formed on the other inner wall of the storage cavity; the second air inlet is connected to the first air inlet, and the second air outlet is connected to the first air outlet; the air intake channel includes: the second air inlet; the air outlet channel includes: the second air outlet; The third ventilation structure includes: a gap formed between the rotating platform and the seat; a first air inlet communicating with the gap; a first air outlet communicating with the gap; the air inlet channel including: the gap; and / or the air outlet channel including: the gap; The fourth ventilation structure includes: a first air duct and a second air duct disposed on the rotating platform; the first air duct is connected to the first air inlet, and the second air duct is connected to the first air outlet; the air inlet channel includes: the first air duct; the air outlet channel includes: the second air duct.

5. The easy-to-clean fan as described in claim 1, characterized in that, Also includes: Pivoting mechanisms and damping mechanisms; The rotating platform is rotatably mounted on the base body via the pivoting mechanism about a predetermined axis. The pivoting mechanism includes: a first shaft and a second shaft; the first shaft and the second shaft are coaxially arranged, and the axis of the first shaft and the axis of the second shaft are respectively coincident with the predetermined axis; the first shaft is arranged at one end of the rotating table, and the second shaft is arranged at the other end of the rotating table; The base includes: a third support frame, a fourth support frame spaced apart from the third support frame, and a second connecting frame connecting the third support frame and the fourth support frame; the rotating platform is located between the third support frame and the fourth support frame; the third support frame is provided with a first through hole, and the fourth support frame is provided with a second through hole; the first shaft is inserted into the first through hole; the second shaft is inserted into the second through hole; The damping mechanism includes any one or more of the following: a first damping structure, a second damping structure, a third damping structure, a fourth damping structure, a fifth damping structure, a sixth damping structure, a seventh damping structure, an eighth damping structure, a ninth damping structure, a tenth damping structure, an eleventh damping structure, and a twelfth damping structure. The first damping structure includes: the first shaft body is inserted into the first through hole with an interference fit, and the outer wall of the first shaft body applies a first compressive force to the inner wall of the first through hole, wherein the first compressive force is greater than zero; The second damping structure includes: the second shaft body is interference-fitted into the second through hole, and the outer wall of the second shaft body applies a second compressive force to the inner wall of the second through hole, wherein the second compressive force is greater than zero; The third damping structure includes: a first buffer layer is provided on the first shaft body, and the clamping force of the outer wall of the first shaft body and the inner wall of the first through hole on the first buffer layer is a third extrusion force, which is greater than zero. The fourth damping structure includes: a second buffer layer is provided on the second shaft body, and the clamping force of the outer wall of the second shaft body and the inner wall of the second through hole on the second buffer layer is a fourth extrusion force, which is greater than zero; The fifth damping structure includes: a first protrusion disposed on the first shaft and abutting against the inner wall of the first through hole; a fifth compressive force exists between the first protrusion and the inner wall of the first through hole, the fifth compressive force being greater than zero; The sixth damping structure includes: a second protrusion disposed on the second shaft and abutting against the inner wall of the second through hole; a sixth compressive force exists between the second protrusion and the inner wall of the second through hole, the sixth compressive force being greater than zero; The seventh damping structure includes: a third protrusion disposed on the inner wall of the first through hole and abutting against the outer wall of the first shaft; a seventh compressive force exists between the third protrusion and the outer wall of the first shaft, the seventh compressive force being greater than zero; The eighth damping structure includes: a fourth protrusion disposed on the inner wall of the second through hole and abutting against the outer wall of the second shaft; an eighth compressive force exists between the fourth protrusion and the outer wall of the second shaft, and the eighth compressive force is greater than zero; The ninth damping structure includes: a first toothed portion surrounding the first shaft and a second toothed portion surrounding the inner wall of the first through hole, the first toothed portion meshing with the second toothed portion, and a ninth compressive force between the first toothed portion and the second toothed portion, the ninth compressive force being greater than zero; The tenth damping structure includes: a third toothed portion surrounding the second shaft and a fourth toothed portion surrounding the inner wall of the second through hole, the third toothed portion meshing with the fourth toothed portion, and a tenth compressive force between the third toothed portion and the fourth toothed portion, the tenth compressive force being greater than zero; The eleventh damping structure includes: a first torsion spring connecting the first shaft and the rotary table; The twelfth damping structure includes a second torsion spring connecting the second shaft and the rotary table.

6. The easy-to-clean fan as described in claim 5, characterized in that, The first protrusion is any one of hemispherical, spherical, or a ridge extending along the first axis; the second protrusion is any one of hemispherical, spherical, or a ridge extending along the second axis; the third protrusion is any one of hemispherical, spherical, or a ridge extending along the first axis; and the fourth protrusion is any one of hemispherical, spherical, or a ridge extending along the second axis.

7. The easy-to-clean fan as described in claim 5, characterized in that, The fixing method between the first shaft and the rotating platform can be any one of the first connection structure, the second connection structure, the third connection structure, and the fourth connection structure; The first connection structure includes: a first external thread disposed on the first shaft and a first internal thread disposed on the rotating platform, wherein the first external thread and the first internal thread are threadedly connected; or the first connection structure includes: a second internal thread disposed on the first shaft and a second external thread disposed on the rotating platform, wherein the second internal thread and the second external thread are threadedly connected. The second connection structure is: a first adhesive layer that bonds the first shaft and the rotating platform; The third connection structure is: a first screw that fixes the first shaft and the rotating table; The fourth connection structure is that the first shaft and the rotating platform are an integral piece; The fixing method between the second shaft and the rotating platform can be any one of the fifth connection structure, the sixth connection structure, the seventh connection structure, and the eighth connection structure; The fifth connection structure includes: a third external thread disposed on the second shaft and a third internal thread disposed on the rotating platform, wherein the third external thread and the third internal thread are threadedly connected; or the fifth connection structure includes: a fourth internal thread disposed on the second shaft and a fourth external thread disposed on the rotating platform, wherein the fourth internal thread and the fourth external thread are threadedly connected. The sixth connection structure is: a second adhesive layer that bonds the second shaft and the rotating platform; The seventh connection structure is: a second screw that fixes the second shaft and the rotating table; The eighth connection structure is that the second shaft and the rotating platform are an integral piece.

8. The easy-to-clean fan as described in any one of claims 1 to 7, characterized in that, The driver is a motor; the motor is fixed to the inner wall of the accommodating cavity; The motor is connected to any one of a first plug, a second plug, and a third plug; The first plug is a USB plug, and the first mounting hole on the side wall of the accommodating cavity is through which the first cable connecting the first plug and the motor passes, and the first cable is sealed to the inner wall of the first mounting hole. The second plug is a DC plug. The second mounting hole on the side wall of the accommodating cavity is through which the second cable connecting the second plug and the motor passes, and the second cable is sealed to the inner wall of the second mounting hole. The third plug is an AC plug. The third mounting hole is on the side wall of the accommodating cavity. The third cable connecting the third plug and the motor passes through the third mounting hole, and the third cable is sealed to the inner wall of the third mounting hole.

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